Automated build commit

2026-11-08 07:28:22 -10:00 · 2026-06-13 12:19:41 +00:00
1226 changed files with 59025 additions and 136538 deletions
@@ -5,6 +5,9 @@ on:
    tags:
      - 'nightly_*'

+env:
+  QT_VERSION: 5.12.12
+
 jobs:
  build_linux:
    strategy:
@@ -18,25 +21,24 @@ jobs:
            arch: arm64
    name: Linux
    runs-on: ${{ matrix.os }}
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: gcc-9
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
        env:
          CONFIGURATION: ${{ matrix.configuration }}
-        run: ninja -k 20 all
+        run: |
+          LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -49,7 +51,7 @@ jobs:
          CONFIGURATION: ${{ matrix.configuration }}
        run: $GITHUB_WORKSPACE/ci/linux/generate_appimage.sh $GITHUB_WORKSPACE/build/install
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: linux-${{ matrix.configuration }}-${{ matrix.arch }}
          path: ${{ github.workspace }}/build/install/*.AppImage
@@ -57,26 +59,23 @@ jobs:
    name: Build Linux distribution zip
    needs: build_linux
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
        arch: [x86_64, arm64]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: linux-Release-${{ matrix.arch }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: linux-FastDebug-${{ matrix.arch }}
          path: builds
@@ -102,169 +101,119 @@ jobs:
    strategy:
      matrix:
        configuration: [FastDebug, Release]
-        os: [windows-2025, windows-11-arm]
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, ""]
-        exclude:
-          - arch: Win32
-            os: windows-11-arm
-          - arch: x64
-            os: windows-11-arm
-          - arch: ARM64
-            os: windows-2025
-          - os: windows-2025
-            simd: ""
-          - os: windows-11-arm
-            simd: SSE2
+        arch: [Win32, x64]
+        simd: [SSE2]
    name: Windows
-    runs-on: ${{ matrix.os }}
+    runs-on: windows-2022
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Install v143 ATL/MFC
-        shell: pwsh
-        run: ci/windows/install_v143_atlmfc.ps1
-      # Tree A: static CRT (/MT) for FSO + FRED2 (no Qt dependency needed)
-      - name: Configure CMake (static CRT /MT - FSO + FRED2)
+      # - name: Cache Qt
+        # id: cache-qt-win
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-${{ matrix.arch }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt (32 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'Win32' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win32_msvc2017
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      # - name: Install Qt (64 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'x64' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win64_msvc2017_64
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
+      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          ARCHITECTURE: ${{ matrix.arch }}
          SIMD: ${{ matrix.simd }}
        shell: bash
        run: |
-          mkdir build-mt
-          cd build-mt
-          cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH=ON \
-            -DFSO_USE_VOICEREC=ON -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
-            -DFSO_BUILD_TESTS=ON -DFSO_INSTALL_DEBUG_FILES=ON -A "$ARCHITECTURE" \
-            -DFSO_BUILD_QTFRED=OFF -G "Visual Studio 18 2026" -T "v143" \
-            -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
-      - name: Compile (static CRT)
-        working-directory: ./build-mt
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          COMPILER: ${{ matrix.compiler }}
-        shell: bash
-        run: |
-          cmake --build . --config "$CONFIGURATION" -- /verbosity:minimal
-          cmake --install . --config "$CONFIGURATION"
-          ls -alR "$(pwd)/install"
-      # Tree B: dynamic CRT (/MD) for QtFRED only (matches Qt's prebuilt /MD runtime)
-      # Skipped on Win32: Qt6 has no 32-bit Windows support, so CMake force-disables
-      # FSO_BUILD_QTFRED there and the qtfred target would not exist
-      - name: Configure CMake (dynamic CRT /MD - QtFRED)
-        if: matrix.arch != 'Win32'
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          ARCHITECTURE: ${{ matrix.arch }}
-          SIMD: ${{ matrix.simd }}
-        shell: bash
-        run: |
-          mkdir build-md
-          cd build-md
-          cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH=ON \
-            -DFSO_USE_VOICEREC=ON -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
-            -DFSO_BUILD_TESTS=OFF -DFSO_INSTALL_DEBUG_FILES=ON -A "$ARCHITECTURE" \
-            -DFSO_BUILD_QTFRED=ON -DFSO_BUILD_FRED2=OFF -DQT_USE_PRECOMPILED=ON \
-            -G "Visual Studio 18 2026" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
-      - name: Compile (dynamic CRT)
-        if: matrix.arch != 'Win32'
-        working-directory: ./build-md
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          COMPILER: ${{ matrix.compiler }}
-        shell: bash
-        run: |
-          cmake --build . --config "$CONFIGURATION" --target qtfred -- /verbosity:minimal
-          cmake --install . --config "$CONFIGURATION" --component qtFRED
-          ls -alR "$(pwd)/install"
-      # Merge both trees into the single install dir the zip job consumes
-      - name: Merge installs
-        shell: bash
-        run: |
-          mkdir -p build/install
-          # build-md does not exist on Win32 (no QtFRED there)
-          if [ -d build-md/install ]; then
-             cp -r build-md/install/. build/install/
+          mkdir build
+          cd build
+
+          if [ "$ARCHITECTURE" = "Win32" ]; then
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                -DFSO_INSTALL_DEBUG_FILES="ON" -DFSO_BUILD_WITH_VULKAN="OFF" -A "$ARCHITECTURE" \
+                -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+          else
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                -DFSO_INSTALL_DEBUG_FILES="ON" -A "$ARCHITECTURE" \
+                -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
          fi
-          cp -r build-mt/install/. build/install/
-          ls -alR build/install
+      - name: Compile
+        working-directory: ./build
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+          COMPILER: ${{ matrix.compiler }}
+        shell: bash
+        run: |
+          cmake --build . --config "$CONFIGURATION" --target INSTALL -- /verbosity:minimal
+          ls -alR "$(pwd)/install"
      - name: Run Tests
-        working-directory: ./build-mt
+        working-directory: ./build
        env:
          CONFIGURATION: ${{ matrix.configuration }}
        shell: bash
        run: ./bin/$CONFIGURATION/unittests --gtest_shuffle
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.configuration }}-${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
-          name: windows-${{ env.artifact_id }}
+          name: windows-${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}
          path: ${{ github.workspace }}/build/install/*
  windows_zip:
    name: Build Windows distribution zip
    needs: build_windows
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, ""]
-        exclude:
-          - arch: Win32
-            simd: ""
-          - arch: x64
-            simd: ""
-          - arch: ARM64
-            simd: SSE2
+        arch: [Win32, x64]
+        simd: [SSE2]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-Release-${{ env.artifact_id }}
+          name: windows-Release-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-FastDebug-${{ env.artifact_id }}
+          name: windows-FastDebug-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds
      - name: Create Distribution package
        working-directory: ./builds
        shell: bash
        env:
-          ID: ${{ env.artifact_id }}
+          ARCH: ${{ matrix.arch }}
+          SIMD: ${{ matrix.simd }}
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Windows
      - name: Upload result package
        working-directory: ./builds
@@ -285,14 +234,32 @@ jobs:
    name: Mac
    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v7
+      # - name: Cache Qt
+        # id: cache-qt-mac
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt
+        # uses: jurplel/install-qt-action@v2
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # cached: ${{ steps.cache-qt-mac.outputs.cache-hit }}
+          # setup-python: 'false'
+          # aqtversion: ==1.1.3
+          # py7zrversion: '==0.19.*'
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: 0
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Set up test version
        shell: bash
        run: |
@@ -305,10 +272,11 @@ jobs:
          COMPILER: ${{ matrix.compiler }}
          ARCHITECTURE: ${{ matrix.arch }}
          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -334,7 +302,7 @@ jobs:
        # Ref: https://github.com/actions/runner-images/issues/2619
        run: gtar -cvzf macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz *.app
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: mac-${{ matrix.configuration }}-${{ matrix.arch }}
          path: ${{ github.workspace }}/build/bin/macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz
@@ -342,27 +310,24 @@ jobs:
    name: Build Mac distribution zip
    needs: build_mac
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
        arch: [x86_64, arm64]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v2
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-Release-${{ matrix.arch }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-FastDebug-${{ matrix.arch }}
          path: builds
@@ -5,6 +5,9 @@ on:
    tags:
      - 'release_*'

+env:
+  QT_VERSION: 5.12.12
+
 jobs:
  create_release:
    name: Create GitHub release
@@ -47,27 +50,26 @@ jobs:
    name: Linux
    needs: create_release   # Don't run this job until create_release is done and successful
    runs-on: ${{ matrix.os }}
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        # checks-out your repository under $GITHUB_WORKSPACE, so your workflow can access it.
        name: Checkout
        with:
          submodules: true  # `true` to checkout submodules, `recursive` to recursively checkout submodules
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: gcc-9
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
        env:
          CONFIGURATION: ${{ matrix.configuration }}
-        run: ninja -k 20 all
+        run: |
+          LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -80,7 +82,7 @@ jobs:
          CONFIGURATION: ${{ matrix.configuration }}
        run: $GITHUB_WORKSPACE/ci/linux/generate_appimage.sh $GITHUB_WORKSPACE/build/install
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        # Upload the url file for use with other runners
        # upload-artifact.inputs:
        #   if-no-files-found=warn  What to do if path fails to find any files.
@@ -97,29 +99,26 @@ jobs:
    name: Build Linux distribution zip
    needs: build_linux
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
        arch: [x86_64, arm64]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'  # value 0 to fetch all history and tags for all branches
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
        # Grab the release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: linux-Release-${{ matrix.arch }}
          path: builds
      - name: Download FastDebug builds
        # Grab the debug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: linux-FastDebug-${{ matrix.arch }}
          path: builds
@@ -136,7 +135,7 @@ jobs:
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Linux
      - name: Upload result package
        # Stash the result to artifact filespace
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.generate_package.outputs.package_name }}
          path: ${{ steps.generate_package.outputs.package_path }}
@@ -152,175 +151,123 @@ jobs:
    strategy:
      matrix:
        configuration: [FastDebug, Release]
-        os: [windows-2025, windows-11-arm]
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, AVX, ""]
-        exclude:
-          - arch: Win32
-            os: windows-11-arm
-          - arch: x64
-            os: windows-11-arm
-          - arch: ARM64
-            os: windows-2025
-          - os: windows-2025
-            simd: ""
-          - os: windows-11-arm
-            simd: SSE2
-          - os: windows-11-arm
-            simd: AVX
+        arch: [Win32, x64]
+        simd: [SSE2, AVX]
    needs: create_release
    name: Windows
-    runs-on: ${{ matrix.os }}
+    runs-on: windows-2022
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        # Checkout repo
        name: Checkout
        with:
          submodules: true
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Install v143 ATL/MFC
-        shell: pwsh
-        run: ci/windows/install_v143_atlmfc.ps1
-      # Tree A: static CRT (/MT) for FSO + FRED2 (no Qt dependency needed)
-      - name: Configure CMake (static CRT /MT - FSO + FRED2)
+      # - name: Cache Qt
+        # # Cache Qt
+        # id: cache-qt-win
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-${{ matrix.arch }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt (32 bit)
+        # # Install Qt 32bit if matrix.arch == Win32
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'Win32' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win32_msvc2017
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      # - name: Install Qt (64 bit)
+        # # Install Qt 64bit if matrix.arch == x64
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'x64' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win64_msvc2017_64
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
+      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          ARCHITECTURE: ${{ matrix.arch }}
          SIMD: ${{ matrix.simd }}
        shell: bash
        run: |
-          mkdir build-mt
-          cd build-mt
-          cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH=ON \
-            -DFSO_USE_VOICEREC=ON -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
-            -DFSO_BUILD_TESTS=ON -DFSO_INSTALL_DEBUG_FILES=ON -A "$ARCHITECTURE" \
-            -DFSO_BUILD_QTFRED=OFF -G "Visual Studio 18 2026" -T "v143" \
-            -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
-      - name: Compile (static CRT)
-        working-directory: ./build-mt
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          COMPILER: ${{ matrix.compiler }}
-        shell: bash
-        run: |
-          cmake --build . --config "$CONFIGURATION" -- /verbosity:minimal
-          cmake --install . --config "$CONFIGURATION"
-          ls -alR "$(pwd)/install"
-      # Tree B: dynamic CRT (/MD) for QtFRED only (matches Qt's prebuilt /MD runtime)
-      # Skipped on Win32: Qt6 has no 32-bit Windows support, so CMake force-disables
-      # FSO_BUILD_QTFRED there and the qtfred target would not exist
-      - name: Configure CMake (dynamic CRT /MD - QtFRED)
-        if: matrix.arch != 'Win32'
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          ARCHITECTURE: ${{ matrix.arch }}
-          SIMD: ${{ matrix.simd }}
-        shell: bash
-        run: |
-          mkdir build-md
-          cd build-md
-          cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH=ON \
-            -DFSO_USE_VOICEREC=ON -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
-            -DFSO_BUILD_TESTS=OFF -DFSO_INSTALL_DEBUG_FILES=ON -A "$ARCHITECTURE" \
-            -DFSO_BUILD_QTFRED=ON -DFSO_BUILD_FRED2=OFF -DQT_USE_PRECOMPILED=ON \
-            -G "Visual Studio 18 2026" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
-      - name: Compile (dynamic CRT)
-        if: matrix.arch != 'Win32'
-        working-directory: ./build-md
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          COMPILER: ${{ matrix.compiler }}
-        shell: bash
-        run: |
-          cmake --build . --config "$CONFIGURATION" --target qtfred -- /verbosity:minimal
-          cmake --install . --config "$CONFIGURATION" --component qtFRED
-          ls -alR "$(pwd)/install"
-      # Merge both trees into the single install dir the zip job consumes
-      - name: Merge installs
-        shell: bash
-        run: |
-          mkdir -p build/install
-          # build-md does not exist on Win32 (no QtFRED there)
-          if [ -d build-md/install ]; then
-             cp -r build-md/install/. build/install/
+          mkdir build
+          cd build
+
+          if [ "$ARCHITECTURE" = "Win32" ]; then
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                  -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                  -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                  -DFSO_INSTALL_DEBUG_FILES="ON" -DFSO_BUILD_WITH_VULKAN="OFF" -A "$ARCHITECTURE" \
+                  -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+          else
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                  -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                  -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                  -DFSO_INSTALL_DEBUG_FILES="ON" -A "$ARCHITECTURE" \
+                  -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
          fi
-          cp -r build-mt/install/. build/install/
-          ls -alR build/install
+      - name: Compile
+        working-directory: ./build
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+          COMPILER: ${{ matrix.compiler }}
+        shell: bash
+        run: |
+          cmake --build . --config "$CONFIGURATION" --target INSTALL -- /verbosity:minimal
+          ls -alR "$(pwd)/install"
      - name: Run Tests
-        working-directory: ./build-mt
+        working-directory: ./build
        env:
          CONFIGURATION: ${{ matrix.configuration }}
        shell: bash
        run: ./bin/$CONFIGURATION/unittests --gtest_shuffle
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.configuration }}-${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
-          name: windows-${{ env.artifact_id }}
+          name: windows-${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}
          path: ${{ github.workspace }}/build/install/*

  windows_zip:
    name: Build Windows distribution zip
    needs: build_windows
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      fail-fast: false  # Run the other jobs in the matrix instead of failing them
      matrix:
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, AVX, ""]
-        exclude:
-          - arch: Win32
-            simd: ""
-          - arch: x64
-            simd: ""
-          - arch: ARM64
-            simd: SSE2
-          - arch: ARM64
-            simd: AVX
+        arch: [Win32, x64]
+        simd: [SSE2, AVX]

    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-Release-${{ env.artifact_id }}
+          name: windows-Release-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds

      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-FastDebug-${{ env.artifact_id }}
+          name: windows-FastDebug-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds

      - name: Create Distribution package
@@ -328,17 +275,18 @@ jobs:
        working-directory: ./builds
        shell: bash
        env:
-          ID: ${{ env.artifact_id }}
+          ARCH: ${{ matrix.arch }}
+          SIMD: ${{ matrix.simd }}
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Windows

      - name: Upload result package
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.generate_package.outputs.package_name }}
          path: ${{ steps.generate_package.outputs.package_path }}

      - name: Upload debug package
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.generate_package.outputs.debug_name }}
          path: ${{ steps.generate_package.outputs.debug_path }}
@@ -362,25 +310,43 @@ jobs:
    needs: create_release
    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v7
+      # - name: Cache Qt
+        # id: cache-qt-mac
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt
+        # uses: jurplel/install-qt-action@v2
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # cached: ${{ steps.cache-qt-mac.outputs.cache-hit }}
+          # setup-python: 'false'
+          # aqtversion: ==1.1.3
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: 0
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: ${{ matrix.compiler }}
          ARCHITECTURE: ${{ matrix.arch }}
          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -406,7 +372,7 @@ jobs:
        # Ref: https://github.com/actions/runner-images/issues/2619
        run: gtar -cvzf macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz *.app
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: mac-${{ matrix.configuration }}-${{ matrix.arch }}
          path: ${{ github.workspace }}/build/bin/macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz
@@ -414,27 +380,24 @@ jobs:
    name: Build Mac distribution zip
    needs: build_mac
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
        arch: [x86_64, arm64]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v2
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-Release-${{ matrix.arch }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-FastDebug-${{ matrix.arch }}
          path: builds
@@ -450,7 +413,7 @@ jobs:
          ARCH: ${{ matrix.arch }}
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Mac
      - name: Upload result package
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.generate_package.outputs.package_name }}
          path: ${{ steps.generate_package.outputs.package_path }}
@@ -5,28 +5,22 @@ on:
    branches:
      - 'test/*'

+env:
+  QT_VERSION: 5.12.12
+
 jobs:
  build_linux:
    strategy:
      matrix:
        configuration: [FastDebug, Release]
-        os: [ubuntu-latest, ubuntu-24.04-arm]
-        include:
-          - os: ubuntu-latest
-            arch: x86_64
-          - os: ubuntu-24.04-arm
-            arch: arm64
    name: Linux
-    runs-on: ${{ matrix.os }}
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    runs-on: ubuntu-latest
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Set up test version
        shell: bash
        run: |
@@ -37,12 +31,14 @@ jobs:
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: gcc-9
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
        env:
          CONFIGURATION: ${{ matrix.configuration }}
-        run: ninja -k 20 all
+        run: |
+          LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -55,46 +51,34 @@ jobs:
          CONFIGURATION: ${{ matrix.configuration }}
        run: $GITHUB_WORKSPACE/ci/linux/generate_appimage.sh $GITHUB_WORKSPACE/build/install
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
-          name: linux-${{ matrix.configuration }}-${{ matrix.arch }}
+          name: linux-${{ matrix.configuration }}
          path: ${{ github.workspace }}/build/install/*.AppImage
  linux_zip:
    name: Build Linux distribution zip
    needs: build_linux
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
-    strategy:
-      matrix:
-        arch: [x86_64, arm64]
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v2
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: linux-Release-${{ matrix.arch }}
+          name: linux-Release
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: linux-FastDebug-${{ matrix.arch }}
+          name: linux-FastDebug
          path: builds
-      - name: Fix permissions
-        working-directory: ./builds
-        shell: bash
-        run: chmod 755 *.AppImage
      - name: Create Distribution package
        working-directory: ./builds
-        env:
-          ARCH: ${{ matrix.arch }}
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Linux
      - name: Upload result package
        working-directory: ./builds
@@ -109,39 +93,51 @@ jobs:
    strategy:
      matrix:
        configuration: [FastDebug, Release]
-        os: [windows-2025, windows-11-arm]
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, ""]
-        exclude:
-          - arch: Win32
-            os: windows-11-arm
-          - arch: x64
-            os: windows-11-arm
-          - arch: ARM64
-            os: windows-2025
-          - os: windows-2025
-            simd: ""
-          - os: windows-11-arm
-            simd: SSE2
+        arch: [Win32, x64]
+        simd: [SSE2]
    name: Windows
-    runs-on: ${{ matrix.os }}
+    runs-on: windows-2022
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Set up test version
        shell: bash
        run: |
          [[ "${{ github.ref }}" =~ ^refs\/heads\/test\/(.*)$ ]]
          # Override the revision string so that the builds are named correctly
          echo "set(FSO_VERSION_REVISION_STR ${BASH_REMATCH[1]})" > "version_override.cmake"
-      - name: Install v143 ATL/MFC
-        shell: pwsh
-        run: ci/windows/install_v143_atlmfc.ps1
+      # - name: Cache Qt
+        # id: cache-qt-win
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-${{ matrix.arch }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt (32 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'Win32' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win32_msvc2017
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      # - name: Install Qt (64 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.arch == 'x64' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win64_msvc2017_64
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
@@ -151,11 +147,20 @@ jobs:
        run: |
          mkdir build
          cd build
-          cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH=ON \
-            -DFSO_USE_VOICEREC=ON -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
-            -DFSO_BUILD_TESTS=ON -DFSO_INSTALL_DEBUG_FILES=ON -A "$ARCHITECTURE" \
-            -DQT_USE_PRECOMPILED=ON -G "Visual Studio 18 2026" -T "v143" \
-            -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+
+          if [ "$ARCHITECTURE" = "Win32" ]; then
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                -DFSO_INSTALL_DEBUG_FILES="ON" -DFSO_BUILD_WITH_VULKAN="OFF" -A "$ARCHITECTURE" \
+                -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+          else
+              cmake -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DFSO_USE_SPEECH="ON" \
+                -DFSO_USE_VOICEREC="ON" -DFORCED_SIMD_INSTRUCTIONS="$SIMD" \
+                -DFSO_BUILD_QTFRED=OFF -DFSO_BUILD_TESTS=ON \
+                -DFSO_INSTALL_DEBUG_FILES="ON" -A "$ARCHITECTURE" \
+                -G "Visual Studio 17 2022" -T "v143" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+          fi
      - name: Compile
        working-directory: ./build
        env:
@@ -171,72 +176,43 @@ jobs:
          CONFIGURATION: ${{ matrix.configuration }}
        shell: bash
        run: ./bin/$CONFIGURATION/unittests --gtest_shuffle
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.configuration }}-${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
-          name: windows-${{ env.artifact_id }}
+          name: windows-${{ matrix.configuration }}-${{ matrix.arch }}-${{ matrix.simd }}
          path: ${{ github.workspace }}/build/install/*
  windows_zip:
    name: Build Windows distribution zip
    needs: build_windows
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
-        arch: [Win32, x64, ARM64]
-        simd: [SSE2, ""]
-        exclude:
-          - arch: Win32
-            simd: ""
-          - arch: x64
-            simd: ""
-          - arch: ARM64
-            simd: SSE2
+        arch: [Win32, x64]
+        simd: [SSE2]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v2
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Set artifact id
-        shell: bash
-        run: |
-          id=
-          if [ -n "${{ matrix.simd }}" ]; then
-            id="${{ matrix.arch }}-${{ matrix.simd }}"
-          else
-            id="${{ matrix.arch }}"
-          fi
-          echo "artifact_id=${id}" >> $GITHUB_ENV
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-Release-${{ env.artifact_id }}
+          name: windows-Release-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
-          name: windows-FastDebug-${{ env.artifact_id }}
+          name: windows-FastDebug-${{ matrix.arch }}-${{ matrix.simd }}
          path: builds
      - name: Create Distribution package
        working-directory: ./builds
        shell: bash
        env:
-          ID: ${{ env.artifact_id }}
+          ARCH: ${{ matrix.arch }}
+          SIMD: ${{ matrix.simd }}
        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Windows
      - name: Upload result package
        working-directory: ./builds
@@ -257,14 +233,32 @@ jobs:
    name: Mac
    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v7
+      # - name: Cache Qt
+        # id: cache-qt-mac
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt
+        # uses: jurplel/install-qt-action@v2
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # cached: ${{ steps.cache-qt-mac.outputs.cache-hit }}
+          # setup-python: 'false'
+          # aqtversion: ==1.1.3
+          # py7zrversion: '==0.19.*'
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: 0
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Set up test version
        shell: bash
        run: |
@@ -276,10 +270,11 @@ jobs:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: ${{ matrix.compiler }}
          ARCHITECTURE: ${{ matrix.arch }}
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -305,7 +300,7 @@ jobs:
        # Ref: https://github.com/actions/runner-images/issues/2619
        run: gtar -cvzf macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz *.app
      - name: Upload build result
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
        with:
          name: mac-${{ matrix.configuration }}-${{ matrix.arch }}
          path: ${{ github.workspace }}/build/bin/macos-build-${{ matrix.configuration }}-${{ matrix.arch }}.tgz
@@ -313,27 +308,24 @@ jobs:
    name: Build Mac distribution zip
    needs: build_mac
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-748b19d
    strategy:
      matrix:
        arch: [x86_64, arm64]
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v2
        name: Checkout
        with:
          submodules: true
          fetch-depth: '0'
          ref: '${{ github.ref }}'
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Download Release builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-Release-${{ matrix.arch }}
          path: builds
      - name: Download FastDebug builds
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@v4
        with:
          name: mac-FastDebug-${{ matrix.arch }}
          path: builds
@@ -5,13 +5,15 @@ on:
    branches:
      - master

+env:
+  QT_VERSION: 5.12.12
+
 jobs:
  build_linux:
    strategy:
      matrix:
        configuration: [Debug, Release]
        compiler: [gcc-9, gcc-13, clang-16]
-        arch: [x86_64]
        cmake_options: [""]
        include:
          # Also include configurations that check if the code compiles without the graphics backends
@@ -23,20 +25,18 @@ jobs:
            cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF
    name: Linux
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    steps:
-      - uses: actions/checkout@v7
+      - name: Install Qt dependencies
+        run: apt-get -yq update && apt-get -yq install libfontconfig1
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        uses: hendrikmuhs/ccache-action@v1
        with:
-          key: ${{ runner.os }}-${{ matrix.configuration }}-${{ matrix.compiler }}-${{ matrix.arch }}
-          max-size: 750MB
+          key: ${{ runner.os }}-${{ matrix.configuration }}-${{ matrix.compiler }}
      - name: Configure ccache
        run: |
          ccache --set-config=sloppiness=pch_defines,time_macros
@@ -48,51 +48,11 @@ jobs:
          COMPILER: ${{ matrix.compiler }}
          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
          CCACHE_PATH: /usr/local/bin/ccache
+          ENABLE_QTFRED: ON
+          Qt5_DIR: /qt/${{ env.QT_VERSION }}/gcc_64/lib/cmake/Qt5
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja -k 20 all
-      - name: Show CCache statistics
-        run: ccache --show-stats
-
-
-  build_mac:
-    strategy:
-      matrix:
-        configuration: [Debug, Release]
-        compiler: [clang]
-        arch: [x86_64, arm64]
-        cmake_options: [""]
-    name: Mac
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v7
-        name: Checkout
-        with:
-          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: ccache
-        uses: hendrikmuhs/[email protected]
-        with:
-          key: ${{ runner.os }}-${{ matrix.configuration }}-${{ matrix.arch }}
-          max-size: 750MB
-      - name: Configure ccache
-        run: |
-          ccache --set-config=sloppiness=pch_defines,time_macros
-          ccache -p
-
-      - name: Configure CMake
-        env:
-          CONFIGURATION: ${{ matrix.configuration }}
-          COMPILER: ${{ matrix.compiler }}
-          ARCHITECTURE: ${{ matrix.arch }}
-          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
-          CCACHE_PATH: /usr/local/bin/ccache
-        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
-      - name: Compile
-        working-directory: ./build
-        run: ninja -k 20 all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
      - name: Show CCache statistics
        run: ccache --show-stats
@@ -33,7 +33,6 @@ env:
  NEBULA_PASSWORD: ${{ secrets.NEBULA_PASSWORD }}
  HLP_API: ${{ secrets.HLP_API }}
  HLP_KEY: ${{ secrets.HLP_KEY }}
-  FORUM_SECRET: ${{ secrets.FORUM_SECRET }}
  RELEASE_TAG: ${{ inputs.releaseTag }}

 jobs:
@@ -46,13 +45,11 @@ jobs:
        run: echo "github.event_name= ${{ github.event_name }}"

      - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@v3
        with:
          fetch-depth: '0'
          ref: ${{ env.RELEASE_TAG }}
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+
      - name: Install Python dependencies
        run: pip install -r ci/post/requirements.txt

@@ -70,7 +67,6 @@ jobs:
          HLP_API: ${{ secrets.HLP_API }}
          HLP_KEY: ${{ secrets.HLP_KEY }}
          RELEASE_TAG: ${{ inputs.releaseTag }}
-          FORUM_SECRET: ${{ secrets.FORUM_SECRET }}
        run: python ci/post/main.py release

      - name: Post Builds (Manual trigger)
@@ -2,6 +2,9 @@ name: Check a pull request

 on: [pull_request]

+env:
+  QT_VERSION: 5.12.12
+
 jobs:
  build_linux:
    strategy:
@@ -17,26 +20,25 @@ jobs:
          - configuration: Release
            compiler: gcc-13
            cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF
-          # - configuration: Debug
-          #   compiler: gcc-13
-          #   cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON
-          # - configuration: Release
-          #   compiler: gcc-13
-          #   cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON
+          - configuration: Debug
+            compiler: gcc-13
+            cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON
+          - configuration: Release
+            compiler: gcc-13
+            cmake_options: -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON
    name: Linux
    runs-on: ubuntu-latest
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    steps:
-      - uses: actions/checkout@v7
+      - name: Install Qt dependencies
+        run: apt-get -yq update && apt-get -yq install libfontconfig1
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: 0
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        uses: hendrikmuhs/ccache-action@v1
        with:
          key: ${{ runner.os }}-${{ matrix.configuration }}-${{ matrix.compiler }}
          save: false # Caches are created by a separate job and only restored for PRs
@@ -49,10 +51,12 @@ jobs:
          COMPILER: ${{ matrix.compiler }}
          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
          CCACHE_PATH: /usr/local/bin/ccache
+          ENABLE_QTFRED: ON
+          Qt5_DIR: /qt/${{ env.QT_VERSION }}/gcc_64/lib/cmake/Qt5
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja -k 20 all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -78,21 +82,44 @@ jobs:
        compiler: [MSVC]
        arch: [Win32, x64]
    name: Windows
-    runs-on: windows-2025
+    runs-on: windows-2022
    steps:
      - name: Prepare Environment
        run: choco install ninja
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - name: Install v143 ATL/MFC
-        if: matrix.compiler == 'MSVC'
-        shell: pwsh
-        run: ci/windows/install_v143_atlmfc.ps1
+      # - name: Cache Qt
+        # id: cache-qt-win
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-${{ matrix.arch }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt (32 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.compiler  == 'MSVC' && matrix.arch == 'Win32' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win32_msvc2017
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      # - name: Install Qt (64 bit)
+        # uses: jurplel/install-qt-action@v2
+        # if: ${{ matrix.compiler  == 'MSVC' && matrix.arch == 'x64' }}
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # arch: win64_msvc2017_64
+          # cached: ${{ steps.cache-qt-win.outputs.cache-hit }}
+          # aqtversion: ==0.8
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
@@ -104,12 +131,23 @@ jobs:
          cd build

          if [ "$COMPILER" = "MinGW" ]; then
-              cmake -DFSO_USE_SPEECH=OFF -DFSO_FATAL_WARNINGS=ON -DFSO_USE_VOICEREC=OFF -DFSO_BUILD_TESTS=ON \
-                  -DFSO_BUILD_FRED2=OFF -DQT_USE_PRECOMPILED=ON -DCMAKE_BUILD_TYPE=$CONFIGURATION -G "Ninja" ..
+              if [ "$ARCHITECTURE" = "Win32" ]; then
+                  cmake -DFSO_USE_SPEECH="OFF" -DFSO_FATAL_WARNINGS="ON" -DFSO_USE_VOICEREC="OFF" -DFSO_BUILD_TESTS="ON" \
+                      -DFSO_BUILD_FRED2="OFF" -DFSO_BUILD_WITH_VULKAN="OFF" -DCMAKE_BUILD_TYPE=$CONFIGURATION -G "Ninja" ..
+              else
+                  cmake -DFSO_USE_SPEECH="OFF" -DFSO_FATAL_WARNINGS="ON" -DFSO_USE_VOICEREC="OFF" -DFSO_BUILD_TESTS="ON" \
+                      -DFSO_BUILD_FRED2="OFF" -DCMAKE_BUILD_TYPE=$CONFIGURATION -G "Ninja" ..
+              fi
          else
-              cmake -DFSO_USE_SPEECH=ON -DFSO_FATAL_WARNINGS=ON -DFSO_USE_VOICEREC=OFF -DFSO_BUILD_TESTS=ON \
-                  -DFORCED_SIMD_INSTRUCTIONS=SSE2 -G "Visual Studio 18 2026" -T "v143"  -A "$ARCHITECTURE" \
-                  -DQT_USE_PRECOMPILED=ON -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+              if [ "$ARCHITECTURE" = "Win32" ]; then
+                  cmake -DFSO_USE_SPEECH="ON" -DFSO_FATAL_WARNINGS="ON" -DFSO_USE_VOICEREC="OFF" -DFSO_BUILD_TESTS="ON" \
+                      -DFORCED_SIMD_INSTRUCTIONS=SSE2 -DFSO_BUILD_FRED2="ON" -DFSO_BUILD_WITH_VULKAN="OFF" -G "Visual Studio 17 2022" \
+                      -DFSO_BUILD_QTFRED=OFF -T "v143" -A "$ARCHITECTURE" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+              else
+                  cmake -DFSO_USE_SPEECH="ON" -DFSO_FATAL_WARNINGS="ON" -DFSO_USE_VOICEREC="OFF" -DFSO_BUILD_TESTS="ON" \
+                      -DFORCED_SIMD_INSTRUCTIONS=SSE2 -DFSO_BUILD_FRED2="ON" -G "Visual Studio 17 2022" \
+                      -DFSO_BUILD_QTFRED=OFF -T "v143" -A "$ARCHITECTURE" -DCMAKE_BUILD_TYPE=$CONFIGURATION ..
+              fi
          fi
      - name: Compile
        working-directory: ./build
@@ -146,32 +184,48 @@ jobs:
    name: Mac
    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v7
+      # - name: Cache Qt
+        # id: cache-qt-mac
+        # uses: actions/cache@v1
+        # with:
+          # path: ${{ github.workspace }}/../Qt
+          # key: ${{ runner.os }}-QtCache-${{ env.QT_VERSION }}
+      # - name: Install Qt
+        # uses: jurplel/install-qt-action@v2
+        # with:
+          # version: ${{ env.QT_VERSION }}
+          # dir: ${{ github.workspace }}/..
+          # cached: ${{ steps.cache-qt-mac.outputs.cache-hit }}
+          # setup-python: 'false'
+          # aqtversion: ==1.1.3
+          # py7zrversion: '==0.19.*'
+      - uses: actions/checkout@v1
        name: Checkout
        with:
          submodules: true
          fetch-depth: 0
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        uses: hendrikmuhs/ccache-action@v1
        with:
          key: ${{ runner.os }}-${{ matrix.configuration }}-${{ matrix.compiler }}-${{ matrix.arch }}
          save: false # Caches are created by a separate job and only restored for PRs
-      - name: Configure ccache
-        run: ccache --set-config=sloppiness=pch_defines,time_macros
+      - name: Prepare Vulkan SDK
+        uses: humbletim/[email protected]
+        with:
+          vulkan-query-version: 1.4.304.1
+          vulkan-components: Vulkan-Headers, Vulkan-Loader
+          vulkan-use-cache: true
      - name: Configure CMake
        env:
          CONFIGURATION: ${{ matrix.configuration }}
          COMPILER: ${{ matrix.compiler }}
          ARCHITECTURE: ${{ matrix.arch }}
          JOB_CMAKE_OPTIONS: ${{ matrix.cmake_options }}
-          CCACHE_PATH: /usr/local/bin/ccache
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
      - name: Compile
        working-directory: ./build
-        run: ninja all
+        run: LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja all
      - name: Run Tests
        working-directory: ./build
        env:
@@ -179,24 +233,12 @@ jobs:
          ARCH: ${{ matrix.arch }}
          XDG_RUNTIME_DIR: /root
        run: $GITHUB_WORKSPACE/ci/linux/run_tests.sh
-      - name: Show CCache statistics
-        run: ccache --show-stats
-      - name: Install clang-tidy
-        # macOS runners don't ship clang-tidy; pin to the same version as the Linux
-        # container's clang-tidy-16 for consistent diagnostics. pyyaml is required
-        # too: clang-tidy-diff.py only accepts -export-fixes when it can import yaml.
-        # --break-system-packages is required since the runner's Homebrew Python
-        # is externally managed (PEP 668); the runner is ephemeral so this is safe.
-        if: startsWith(matrix.compiler, 'clang')
-        run: pip3 install --break-system-packages clang-tidy==16.0.4 pyyaml
      - name: Run Clang Tidy
        # Clang-tidy reuses the precompiled headers so this only makes sense for the clang compilers
-        if: startsWith(matrix.compiler, 'clang')
-        env:
-          CLANG_TIDY_BINARY: clang-tidy
+        if: startsWith(matrix.compiler, 'clang-')
        run: $GITHUB_WORKSPACE/ci/linux/clang_tidy.sh ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }}
      - name: Process clang-tidy warnings
-        if: startsWith(matrix.compiler, 'clang')
+        if: startsWith(matrix.compiler, 'clang-')
        uses: asarium/clang-tidy-action@v1
        with:
          fixesFile: clang-fixes.yaml
@@ -11,6 +11,7 @@ on:
    - cron: "5 0 * * 5" # Run once per a week on Friday morning (midnight UTC, 4 AM EST), to avoid Coverity's submission limits

 env:
+  QT_VERSION: 5.12.12
  coverity_email: [email protected]
  coverity_token: ${{ secrets.COVERITY_TOKEN }}

@@ -19,7 +20,7 @@ jobs:
    name: Build FSO With Coverity Wrapper
    if: github.repository == 'scp-fs2open/fs2open.github.com'
    runs-on: ${{ matrix.config.os }}
-    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    container: ghcr.io/scp-fs2open/linux_build:sha-71099c9
    strategy:
      fail-fast: false
      matrix:
@@ -28,12 +29,9 @@ jobs:

    steps:
      - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@v1
        with:
          submodules: recursive # `true` to checkout submodules, `recursive` to recursively checkout submodules
-      - name: Set workspace as safe
-        # This appears to be broken in current actions, so do it manually
-        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      # pipe results of wget to a log file because it's very verbose and rarely fails
      - name: Install Coverity
@@ -51,6 +49,7 @@ jobs:
        env:
          CONFIGURATION: Release
          COMPILER: gcc-9
+          ENABLE_QTFRED: OFF
        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh

      - name: Build FSO with Coverity Wrapper
@@ -262,8 +262,3 @@ CMakePresets.json
 !/docker/build
 CMakeFiles/cmake.check_cache
 CMakeCache.txt
-
-# Written by the unittests binary at runtime
-test/test_data/**/*_settings.ini
-test/test_data/data/players/presets/asdf.json
-test/test_data/pilotfile/data/asdf.hdp
@@ -1,3 +1,6 @@
+[submodule "cmake/external/rpavlik-cmake-modules"]
+	path = cmake/external/rpavlik-cmake-modules
+	url = https://github.com/rpavlik/cmake-modules.git
 [submodule "lib/libRocket"]
 	path = lib/libRocket
 	url = https://github.com/scp-fs2open/libRocket.git
@@ -29,57 +29,33 @@ ENDIF(NOT DEFINED CMAKE_INSTALL_PREFIX)
 SET(TARGET_COPY_FILES "" CACHE INTERNAL "" FORCE)
 SET(TARGET_COPY_DIRS "" CACHE INTERNAL "" FORCE)

-get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
-
-# Override standard CMake configurations
-set(FSO_BUILD_TYPES Debug Release FastDebug)
-
-if(is_multi_config)
-	set(CMAKE_CONFIGURATION_TYPES "${FSO_BUILD_TYPES}" CACHE STRING "Configuration types" FORCE)
-elseif(NOT CMAKE_BUILD_TYPE)
+### Define options and editable variables in the section below:
+# This is only needed for single configuration generators so don't annoy others
+if(NOT CMAKE_BUILD_TYPE AND NOT DEFINED CMAKE_CONFIGURATION_TYPES)
 	set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Default build configuration used." FORCE)
 	message(WARNING "CMAKE_BUILD_TYPE was not specified, defaulting to Release configuration.")
-	set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "${FSO_BUILD_TYPES}")
-endif()
+endif(NOT CMAKE_BUILD_TYPE AND NOT DEFINED CMAKE_CONFIGURATION_TYPES)
+
+# Override standard CMake configurations
+set(CMAKE_CONFIGURATION_TYPES Debug Release FastDebug CACHE STRING "Available configurations" FORCE)

 set(FSO_LANGUAGES C CXX)

 if(APPLE)
 	set(FSO_LANGUAGES ${FSO_LANGUAGES} OBJC OBJCXX)
-
-	# 10.15 for c++17 std::filesystem
-	# NOTE: this must be set *before* the project() call to work properly!!
-	set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "macOS deployment target")
-
-	# fix all targets in scheme (so it's not just qtfred)
-	set(CMAKE_XCODE_GENERATE_SCHEME TRUE)
 endif()

 PROJECT(FS2_Open LANGUAGES ${FSO_LANGUAGES})

-if (ANDROID)
-    message(STATUS "Building for Android (NDK)")
-	set(FSO_BUILD_INCLUDED_LIBS ON CACHE BOOL "" FORCE)
-	set(USING_PREBUILT_LIBS ON CACHE BOOL "" FORCE)
-	set(SDL3_USE_PRECOMPILED ON CACHE BOOL "" FORCE)
-	set(OPENAL_USE_PRECOMPILED ON CACHE BOOL "" FORCE)
-	set(USING_PREBUILT_VULKAN ON CACHE BOOL "" FORCE)
-endif()
-
 # Check if the external modules exists
-IF(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/lib/libRocket/Build")
+IF(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/cmake/external/rpavlik-cmake-modules/launcher-templates")
 	message(FATAL_ERROR "External submodules could not be found. Please make sure you have updated your submodules.")
 endif()

 LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/finder")
-
-# this must be set before include(toolchain)
-if(WIN32 AND CMAKE_SIZEOF_VOID_P EQUAL 4)
-	set(FSO_BUILD_QTFRED OFF CACHE INTERNAL "" FORCE)
-else()
-	OPTION(FSO_BUILD_QTFRED "Build qtFRED2 binary" ON)
-endif()
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/external/rpavlik-cmake-modules")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/external/cotire")

 INCLUDE(globals)
 INCLUDE(toolchain)
@@ -98,7 +74,7 @@ IF(RESET_INSTALL_PREFIX)
 	ENDIF(NOT $ENV{FS2PATH} STREQUAL "")
 ENDIF(RESET_INSTALL_PREFIX)

-IF(WIN32 OR APPLE OR ANDROID OR CMAKE_SYSTEM_NAME STREQUAL "Linux")
+IF(WIN32 OR APPLE OR CMAKE_SYSTEM_NAME STREQUAL "Linux")
 	OPTION(FSO_USE_SPEECH "Use text-to-speach libraries" ON)
 ELSE()
 	OPTION(FSO_USE_SPEECH "Use text-to-speach libraries" OFF)
@@ -118,8 +94,10 @@ OPTION(FSO_BUILD_TESTS "Build unit tests" OFF)

 OPTION(FSO_DEVELOPMENT_MODE "Generate binaries in development mode, only use if you know what you're doing!" OFF)

-IF(WIN32 OR APPLE OR ANDROID)
-	# On windows, mac and android the default should be to always build the included libraries
+OPTION(FSO_BUILD_QTFRED "Build qtFRED2 binary" OFF)
+
+IF(WIN32 OR APPLE)
+	# On windows and mac the default should be to always build the included libraries
 	SET(FSO_BUILD_INCLUDED_LIBS_DEFAULT ON)
 ELSE()
 	SET(FSO_BUILD_INCLUDED_LIBS_DEFAULT OFF)
@@ -139,6 +117,8 @@ SET(FSO_RUN_ARGUMENTS "" CACHE STRING "Additional arguments passed to a generate

 option(FSO_INSTALL_DEBUG_FILES "Install some debug files (currently only PDB files on windows)" OFF)

+option(ENABLE_COTIRE "Enable cotire for faster compilation. Enabled by default." ON)
+
 option(FSO_RELEASE_LOGGING "Enable logging output for release builds" OFF)

 OPTION(FSO_BUILD_WITH_FFMPEG "Enable the usage of FFmpeg for sound and custscenes" ON)
@@ -147,13 +127,13 @@ OPTION(FSO_BUILD_WITH_DISCORD "Build with Discord support" ON)

 OPTION(FSO_BUILD_WITH_OPENGL "Enable compilation of the OpenGL renderer" ON)
 OPTION(FSO_BUILD_WITH_OPENGL_DEBUG "Enables debug option for OpenGL" OFF)
-OPTION(FSO_BUILD_WITH_OPENGL_ES "When building OpenGL, use OpenGL ES compatibility layer" OFF)
+OPTION(FSO_BUILD_WITH_OPENGL_ES "When building OpenGL, use OpenGL ES compatibility layer (External shaders only!)" OFF)

-OPTION(FSO_BUILD_WITH_VULKAN "Enable compilation of the Vulkan renderer" ON)
+OPTION(FSO_BUILD_WITH_VULKAN "Enable compilation of the Vulkan renderer" OFF)

 if(NOT FSO_BUILD_WITH_OPENGL AND FSO_BUILD_WITH_OPENGL_ES)
 	# Disable GLES if not building with OpenGL
-	set(FSO_BUILD_WITH_OPENGL_ES OFF CACHE BOOL "" FORCE)
+	set(FSO_BUILD_WITH_OPENGL_ES OFF FORCE)
 endif()


@@ -187,6 +167,7 @@ MARK_AS_ADVANCED(FORCE FSO_USE_LUAJIT)
 MARK_AS_ADVANCED(FORCE FSO_DEVELOPMENT_MODE)
 MARK_AS_ADVANCED(FORCE FSO_FATAL_WARNINGS)
 mark_as_advanced(FORCE FSO_INSTALL_DEBUG_FILES)
+mark_as_advanced(FORCE ENABLE_COTIRE)
 mark_as_advanced(FORCE FSO_RELEASE_LOGGING)
 mark_as_advanced(FORCE FSO_BUILD_WITH_FFMPEG)
 mark_as_advanced(FORCE FSO_BUILD_WITH_DISCORD)
@@ -215,11 +196,11 @@ include(clang-tidy)

 include(CheckIPOSupported)
 check_ipo_supported(RESULT LTO_AVAILABLE)
-if (FSO_USE_LTO AND LTO_AVAILABLE)
+if (CMAKE_BUILD_TYPE STREQUAL "Release" AND FSO_USE_LTO AND LTO_AVAILABLE)
 	set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
-	message("Enabled LTO for Release builds")
-	set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE)
-endif (FSO_USE_LTO AND LTO_AVAILABLE)
+	message("Enabled LTO")
+	set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif (CMAKE_BUILD_TYPE STREQUAL "Release" AND FSO_USE_LTO AND LTO_AVAILABLE)

 # This includes source code for some tools, either used in the build or also for something else
 ADD_SUBDIRECTORY(tools)
@@ -18,16 +18,13 @@ fi
 # branch
 BASE_COMMIT=$(git merge-base $1 $2)

-# Allow the caller to override the clang-tidy binary and job count, since neither
-# /usr/bin/clang-tidy-16 nor nproc are available outside the Linux CI container
-# (e.g. macOS runners install clang-tidy via pip and use sysctl for core count).
-CLANG_TIDY_BINARY="${CLANG_TIDY_BINARY:-/usr/bin/clang-tidy-16}"
-NUM_JOBS="${NUM_JOBS:-$( (command -v nproc >/dev/null 2>&1 && nproc) || sysctl -n hw.ncpu )}"
-
 # Note: Manually passing in the Vulkan flags that are normally provided by cmake (but are not so, here), to ensure
 # that the source files are checked with the actual configuration used.
 echo "Running clang-tidy on changed files"
 git diff -U0 --no-color "$BASE_COMMIT..$2" | \
    $HERE/clang-tidy-diff.py -path "$(pwd)/build" -p1 \
+    -extra-arg="-DWITH_VULKAN" \
+    -extra-arg="-DVULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1" \
+    -extra-arg="-DVK_NO_PROTOTYPES" \
    -regex '(code(?!((\/graphics\/shaders\/compiled)|(\/globalincs\/windebug)|(\/def_files\/data)))|freespace2|qtfred|test\/src|build|tools)\/.*\.(cpp|h)' \
-    -clang-tidy-binary "$CLANG_TIDY_BINARY" -j"$NUM_JOBS" -export-fixes "$(pwd)/clang-fixes.yaml"
+    -clang-tidy-binary /usr/bin/clang-tidy-16 -j$(nproc) -export-fixes "$(pwd)/clang-fixes.yaml"
@@ -13,32 +13,21 @@ if [ "$COMPILER" = "clang-16" ]; then
    export CXX=clang++-16
 fi

+LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH
 if [ "$RUNNER_OS" = "macOS" ]; then
    CXXFLAGS="-mtune=generic -pipe -Wno-unknown-pragmas"
    CFLAGS="-mtune=generic -pipe -Wno-unknown-pragmas"
+    # TODO: Vulkan support is disabled on MacOS due to issues with the test suite not linking correctly
+    PLATFORM_CMAKE_OPTIONS="-DFSO_BUILD_WITH_VULKAN=OFF"
    export CMAKE_OSX_ARCHITECTURES="$ARCHITECTURE"
 else
-    PLATFORM_CMAKE_OPTIONS="-DFSO_BUILD_APPIMAGE=ON -DFORCED_SIMD_INSTRUCTIONS=SSE2"
-
-    # Optionally use static libstdc++/libc++ on Linux, but default to off
-    # (Issue #5571 enabled it as a fix for 20.04 compatibility, but we've moved to 22.04)
-    PLATFORM_CMAKE_OPTIONS="$PLATFORM_CMAKE_OPTIONS -DUSE_STATIC_LIBCXX=${USE_STATIC_LIBCXX:-OFF}"
+    PLATFORM_CMAKE_OPTIONS="-DFSO_BUILD_APPIMAGE=ON -DFORCED_SIMD_INSTRUCTIONS=SSE2 -DUSE_STATIC_LIBCXX=ON"
 fi

 CMAKE_OPTIONS="$JOB_CMAKE_OPTIONS"
 if [[ "$COMPILER" =~ ^clang.*$ ]]; then
-    # Default to allowing system standard c++ library be used. On Linux, which
-    # typically uses libstdc++ by default, using libc++ causes a conflict with
-    # Qt6 libs. So an error/warning is in place to catch that case when QtFRED
-    # is enabled.
-    CMAKE_OPTIONS="$CMAKE_OPTIONS -DCLANG_USE_LIBCXX=${CLANG_USE_LIBCXX:-OFF}"
-fi
-
-if [ ! "$CCACHE_PATH" = "" ] && [ ! -x "$CCACHE_PATH" ]; then
-    # The configured path doesn't exist on this runner (e.g. macOS runners on Apple
-    # Silicon hosts install Homebrew under /opt/homebrew instead of /usr/local),
-    # so fall back to whatever ccache is actually on PATH.
-    CCACHE_PATH="$(command -v ccache || true)"
+    CMAKE_OPTIONS="$CMAKE_OPTIONS -DCLANG_USE_LIBCXX=ON"
+    # force clang to silently allow -static-libstdc++ flag
 fi

 if [ ! "$CCACHE_PATH" = "" ]; then
@@ -46,10 +35,6 @@ if [ ! "$CCACHE_PATH" = "" ]; then
    CMAKE_OPTIONS="$CMAKE_OPTIONS -DCMAKE_C_COMPILER_LAUNCHER=$CCACHE_PATH -DCMAKE_CXX_COMPILER_LAUNCHER=$CCACHE_PATH"
 fi

-if [ -n "${ENABLE_QTFRED:-}" ]; then
-    CMAKE_OPTIONS="$CMAKE_OPTIONS -DFSO_BUILD_QTFRED=${ENABLE_QTFRED}"
-fi
-
 mkdir build
 cd build

@@ -65,6 +50,6 @@ fi
 # we have some build rules that do not play nice with parallel invocation and that fixes these issues

 cmake -G Ninja -DFSO_FATAL_WARNINGS=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON $CMAKE_OPTIONS $PLATFORM_CMAKE_OPTIONS \
-    -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DCMAKE_BUILD_TYPE=$CONFIGURATION -DQT_USE_PRECOMPILED=ON \
-    -DFFMPEG_USE_PRECOMPILED=ON -DFSO_BUILD_TESTS=ON -DFSO_BUILD_INCLUDED_LIBS=ON \
-    -DCMAKE_JOB_POOLS=link=1 -DCMAKE_JOB_POOL_LINK=link ..
+    -DCMAKE_INSTALL_PREFIX="$(pwd)/install" -DCMAKE_BUILD_TYPE=$CONFIGURATION \
+    -DFFMPEG_USE_PRECOMPILED=ON -DFSO_BUILD_TESTS=ON -DFSO_BUILD_INCLUDED_LIBS=ON -DFSO_BUILD_QTFRED=${ENABLE_QTFRED:-OFF} \
+    -DSHADERS_ENABLE_COMPILATION=ON -DCMAKE_JOB_POOLS=link=1 -DCMAKE_JOB_POOL_LINK=link ..
@@ -14,17 +14,17 @@ if [ "$OS" = "Linux" ]; then
    echo "package_name=$(get_package_name)-builds-Linux-$ARCH.tar.gz" >> $GITHUB_OUTPUT
    echo "package_mime=$(file -b --mime-type "$(pwd)/$(get_package_name)-builds-Linux-$ARCH.tar.gz")" >> $GITHUB_OUTPUT
 elif [ "$OS" = "Windows" ]; then
-    7z a -xr'!*.pdb' "$(get_package_name)-builds-$ID.zip" "*"
+    7z a -xr'!*.pdb' "$(get_package_name)-builds-$ARCH-$SIMD.zip" "*"

-    echo "package_path=$(pwd)/$(get_package_name)-builds-$ID.zip" >> $GITHUB_OUTPUT
-    echo "package_name=$(get_package_name)-builds-$ID.zip" >> $GITHUB_OUTPUT
-    echo "package_mime=$(file -b --mime-type "$(pwd)/$(get_package_name)-builds-$ID.zip")" >> $GITHUB_OUTPUT
+    echo "package_path=$(pwd)/$(get_package_name)-builds-$ARCH-$SIMD.zip" >> $GITHUB_OUTPUT
+    echo "package_name=$(get_package_name)-builds-$ARCH-$SIMD.zip" >> $GITHUB_OUTPUT
+    echo "package_mime=$(file -b --mime-type "$(pwd)/$(get_package_name)-builds-$ARCH-$SIMD.zip")" >> $GITHUB_OUTPUT

-    7z a "$(get_package_name)-debug-$ID.7z" "*.pdb"
+    7z a "$(get_package_name)-debug-$ARCH-$SIMD.7z" "*.pdb"

-    echo "debug_path=$(pwd)/$(get_package_name)-debug-$ID.7z" >> $GITHUB_OUTPUT
-    echo "debug_name=$(get_package_name)-debug-$ID.7z" >> $GITHUB_OUTPUT
-    echo "debug_mime=$(file -b --mime-type "$(pwd)/$(get_package_name)-debug-$ID.7z")" >> $GITHUB_OUTPUT
+    echo "debug_path=$(pwd)/$(get_package_name)-debug-$ARCH-$SIMD.7z" >> $GITHUB_OUTPUT
+    echo "debug_name=$(get_package_name)-debug-$ARCH-$SIMD.7z" >> $GITHUB_OUTPUT
+    echo "debug_mime=$(file -b --mime-type "$(pwd)/$(get_package_name)-debug-$ARCH-$SIMD.7z")" >> $GITHUB_OUTPUT
 elif [ "$OS" = "Mac" ]; then
    tar -cvzf "$(get_package_name)-builds-Mac-$ARCH.tar.gz" *.app

@@ -31,7 +31,7 @@ cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_FOLDER/Freespace2 -DCOMPONENT=Unspecified
 cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_FOLDER/Freespace2 -DCOMPONENT=Freespace2 -P cmake_install.cmake

 # We need to be a bit creative for determining the AppImage name since we don't want to hard-code the name
-FILENAME="$(find $INSTALL_FOLDER/Freespace2/bin -maxdepth 1 -name 'fs2_open_*' -type f -executable -printf "%f\n").AppImage"
+FILENAME="$(find $INSTALL_FOLDER/Freespace2/bin -name 'fs2_open_*' -type f -printf "%f\n").AppImage"
 ./bin/appimagetool -n "$INSTALL_FOLDER/Freespace2" "$INSTALL_FOLDER/$FILENAME"
 chmod +x "$INSTALL_FOLDER/$FILENAME"

@@ -41,7 +41,7 @@ if [ -f qtfred/cmake_install.cmake ]; then
 	cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_FOLDER/qtFRED -DCOMPONENT=qtFRED -P cmake_install.cmake

 	# We need to be a bit creative for determining the AppImage name since we don't want to hard-code the name
-	FILENAME="$(find $INSTALL_FOLDER/qtFRED/bin -maxdepth 1 -iname 'qtfred_*' -type f -executable -printf "%f\n").AppImage"
+	FILENAME="$(find $INSTALL_FOLDER/qtFRED/bin -iname 'qtfred_*' -type f -printf "%f\n").AppImage"
 	./bin/appimagetool -n "$INSTALL_FOLDER/qtFRED" "$INSTALL_FOLDER/$FILENAME"
 	chmod +x "$INSTALL_FOLDER/$FILENAME"
 fi
@@ -5,14 +5,6 @@ HERE=$(dirname "$SCRIPT")

 export LD_LIBRARY_PATH=$(pwd)/bin/lib:$LD_LIBRARY_PATH

-# The unit tests never open a window, but a few of them reach code that brings SDL's video
-# subsystem up (os_init() and resolution_default(), the latter via gr_init()). Left to itself SDL
-# probes its real backends and dlopens libX11, which leaks a handful of blocks per init/quit cycle
-# that SDL_QuitSubSystem() does not reclaim -- those are the "definitely lost" contexts memcheck
-# fails the Debug legs on. Pinning the dummy driver skips the probing entirely, so the leaks never
-# happen, and it makes the tests behave the same way whether or not the runner has a display.
-export SDL_VIDEODRIVER=dummy
-
 # if on mac and building for architecture that doesn't match host
 # then unittests will fail so we just need to skip it (for now)
 if [ "$RUNNER_OS" = "macOS" ] && [ "$ARCH" != "$(uname -m)" ]; then
@@ -20,7 +12,7 @@ if [ "$RUNNER_OS" = "macOS" ] && [ "$ARCH" != "$(uname -m)" ]; then
    exit 0
 fi

-if [ "$CONFIGURATION" = "Debug" ] && [[ "$RUNNER_OS" != "macOS" ]] ; then
+if [ "$CONFIGURATION" = "Debug"] && [[ "$RUNNER_OS" != "macOS" ]] ; then
    valgrind --leak-check=full --error-exitcode=1 --gen-suppressions=all \
        --suppressions="$HERE/valgrind.supp" ./bin/unittests --gtest_shuffle
 else
@@ -8,6 +8,24 @@
   obj:*
   obj:*
 }
+{
+    Travis memleak
+    Memcheck:Leak
+    match-leak-kinds: definite
+    fun:malloc
+    fun:_dl_signal_error
+    fun:_dl_open
+    fun:dlopen_doit
+    fun:_dl_catch_error
+    fun:_dlerror_run
+    fun:dlopen@@GLIBC_2.2.5
+    obj:/usr/lib/x86_64-linux-gnu/libmirclient.so.7
+    fun:call_init.part.0
+    fun:call_init
+    fun:_dl_init
+    fun:dl_open_worker
+    fun:_dl_catch_error
+}
 {
   CLang Lua unitialized value error
   Memcheck:Cond
@@ -109,31 +127,37 @@
   fun:_ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
 }
 {
-   SDL_Init one-time internal allocation via os_init
+   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: definite
   fun:malloc
-   obj:*
-   obj:*
-   obj:*
-   obj:*
-   fun:_Z7os_initPKcS0_S0_
-   fun:_ZN4test13FSTestFixture5SetUpEv
-}
-# Kept only as a backstop for running memcheck by hand. run_tests.sh pins SDL_VIDEODRIVER=dummy, so
-# the X11 backend is never created there; this block also cannot match the prebuilt libSDL3 anymore,
-# since that library is now stripped and X11_CreateDevice is a static symbol.
-{
-   SDL3 X11 video backend internal allocations, not freed by SDL_VideoQuit
-   Memcheck:Leak
-   match-leak-kinds: definite,possible
-   ...
-   fun:X11_CreateDevice
-}
-{
-   glibc loader bookkeeping and library constructor allocations retained across dlopen
-   Memcheck:Leak
-   match-leak-kinds: definite,possible
-   ...
+   fun:_dl_signal_error
   fun:_dl_open
+   fun:dlopen_doit
+   fun:_dl_catch_error
+   fun:_dlerror_run
+   fun:dlopen@@GLIBC_2.2.5
+   obj:*
+   obj:*
+   fun:call_init.part.0
+   fun:call_init
+   fun:_dl_init
+   fun:dl_open_worker
+}
+{
+   dlopen leak
+   Memcheck:Leak
+   match-leak-kinds: definite
+   fun:malloc
+   fun:_dl_exception_create
+   fun:_dl_signal_error
+   fun:_dl_map_object
+   fun:dl_open_worker
+   fun:_dl_catch_exception
+   fun:_dl_open
+   fun:dlopen_doit
+   fun:_dl_catch_exception
+   fun:_dl_catch_error
+   fun:_dlerror_run
+   fun:dlopen@@GLIBC_2.2.5
 }
@@ -149,8 +149,6 @@ def get_release_files(tag_name, config) -> Tuple[List[ReleaseFile], Dict[str, So
            # x64 is the Visual Studio name but for consistency we need Win64
            if platform == "x64":
                platform = "Win64"
-            elif platform == "ARM64":
-                platform = "WinARM64"

            binary_files.append(ReleaseFile(name, url, platform, group_match.group(3)))
        else:
@@ -215,8 +213,6 @@ def get_ftp_files(build_type, tag_name, config) -> List[ReleaseFile] :
        # x64 is the name Visual Studio uses but Win64 works better for us since that gets displayed in the nightly post
        if "x64" in group_match:
            group_match = group_match.replace("x64", "Win64")
-        elif "ARM64" in group_match:
-            group_match = group_match.replace("ARM64", "WinARM64")

        # construct the download URL list for all mirrors.  The first listed ftp location is taken as the Primary
        for mirror in config["ftp"]["mirrors"]:
@@ -229,4 +225,4 @@ def get_ftp_files(build_type, tag_name, config) -> List[ReleaseFile] :
        # Form the List[ReleaseFile] list with the download URL links
        out_data.append(ReleaseFile(file, primary_url, group_match, None, mirrors))

-    return out_data
+    return out_data
@@ -1,4 +1,3 @@
-import os
 from typing import List

 import requests
@@ -34,14 +33,12 @@ class ForumAPI:
            print("Post failed! No API or API_KEY given!")
            return

-        resp = requests.post(self.config["hlp"]["api"],
-                             headers={"X-HLP-Bot": os.environ["FORUM_SECRET"]},
-                             data={
-                                "api_key": self.config["hlp"]["key"],
-                                "board": str(board),
-                                "subject": title,
-                                "body": content
-                            })
+        resp = requests.post(self.config["hlp"]["api"], data={
+            "api_key": self.config["hlp"]["key"],
+            "board": str(board),
+            "subject": title,
+            "body": content
+        })

        if resp.status_code != 200:
            print("Post failed! Response: %s" %resp.text)
@@ -18,7 +18,6 @@
 # Credentials into hard-light.net for forum post
 # HLP_API:
 # HLP_KEY:
-# FORUM_SECRET:

 # LINUX_RESULT: bool, if the linux builds were successfully uploaded
 # WINDOWS_RESULT: bool, if the windows builds were successfully uploaded
@@ -125,10 +124,6 @@ def get_source_version(date_version: datetime, tag_name: str) -> semantic_versio


 def main():
-	if "FORUM_SECRET" not in os.environ or not os.environ["FORUM_SECRET"]:
-		print("  ERROR: FORUM_SECRET environment variable not set")
-		sys.exit(1)
-
 	os.chdir(os.path.dirname(__file__))	# Change working directory to this file's directory

 	# Aggregate configuration data in a dictionary
@@ -15,7 +15,6 @@ WIN32_SSE2_KEY = "Win32-SSE2"
 WIN64_SSE2_KEY = "Win64-SSE2"
 WIN32_AVX_KEY = "Win32-AVX"
 WIN64_AVX_KEY = "Win64-AVX"
-WINARM64_KEY = "WinARM64"

 metadata = {
    'type': 'engine',
@@ -43,8 +42,7 @@ platforms = {
    WIN32_SSE2_KEY: 'windows',
    WIN64_SSE2_KEY: 'windows',
    WIN32_AVX_KEY: 'windows',
-    WIN64_AVX_KEY: 'windows',
-    WINARM64_KEY: 'windows',
+    WIN64_AVX_KEY: 'windows'
 }

 envs = {
@@ -55,8 +53,7 @@ envs = {
    WIN32_SSE2_KEY: 'windows',
    WIN64_SSE2_KEY: 'windows && x86_64',
    WIN32_AVX_KEY: 'windows && avx',
-    WIN64_AVX_KEY: 'windows && avx && x86_64',
-    WINARM64_KEY: 'windows && arm64'
+    WIN64_AVX_KEY: 'windows && avx && x86_64'
 }

 subdirs = {
@@ -194,7 +191,6 @@ def render_nebula_release(version, stability, files, config):
                    "sse2": "SSE2" in fn or "AVX" in fn,  # AVX implies SSE2
                    "avx": "AVX" in fn,  # This conveniently also covers the AVX2 case since AVX2 implies AVX
                    "avx2": "AVX2" in fn,
-                    "arm64": "arm64" in fn,
                }

                pkg['executables'].append({
@@ -22,7 +22,7 @@ Windows:  [url=http://scp.fsmods.net/builds/Launcher55g.zip]Launcher 5.5g[/url]
 OS X:  Soulstorm's [url=https://www.hard-light.net/forums/index.php/topic,51391.0.html]OS X Launcher 3.0[/url]
 Linux:  [url=https://www.hard-light.net/forums/index.php/topic,53206.0.html]YAL[/url] or [url=https://www.hard-light.net/wiki/index.php/Fs2_open_on_Linux/Graphics_Settings]by hand[/url] or whatever you can figure out.[/hidden]

-[img]https://scp.indiegames.us/img/windows-icon.png[/img] [color=green][size=12pt]Windows (32/64-bit/ARM64)[/size][/color]
+[img]https://scp.indiegames.us/img/windows-icon.png[/img] [color=green][size=12pt]Windows (32/64-bit)[/size][/color]
 [size=8pt]Compiled using GitHub Actions on Windows Server 2019 (10.0.17763), Visual Studio Enterprise 2019[/size]

 [b]64-bit:[/b] ${build(groups["Win64"].mainFile)}
@@ -30,8 +30,6 @@ Linux:  [url=https://www.hard-light.net/forums/index.php/topic,53206.0.html]YAL[
 [b]32-bit:[/b] ${build(groups["Win32"].mainFile)}
 [size=8pt]This one is based on the SSE2 Optimizations from the MSVC Compiler.[/size]

-[b]ARM64:[/b] ${build(groups["WinARM64"].mainFile)}
-
 [hidden=Alternative builds]

 [b]64-bit AVX:[/b] ${build(groups["Win64"].subFiles["AVX"])}
@@ -1,3 +1,3 @@
-Mako==1.4.2
+Mako==1.3.12
 requests==2.33.0
 semantic-version==2.8.5
@@ -1,34 +0,0 @@
-# Installs ATL and MFC for the v143 toolset, which the Visual Studio 2026 runner images
-# only ship for the latest toolset.  ATL is needed by SAPI speech (sphelper.h) and MFC by FRED2.
-
-$ErrorActionPreference = 'Stop'
-
-$msvcVersion = '14.44'
-$component = 'Microsoft.VisualStudio.Component.VC.14.44.17.14'
-$suffix = if ($env:RUNNER_ARCH -eq 'ARM64') { '.ARM64' } else { '' }
-
-$installerDir = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer"
-$installPath = & "$installerDir\vswhere.exe" -version '[18.0,19.0)' -latest -property installationPath
-if (-not $installPath) {
-    Write-Error 'Visual Studio 2026 was not found'
-}
-
-$arguments = @(
-    '/c', 'vs_installer.exe', 'modify',
-    '--installPath', "`"$installPath`"",
-    '--add', "$component.ATL$suffix",
-    '--add', "$component.MFC$suffix",
-    '--quiet', '--norestart', '--nocache'
-)
-$process = Start-Process -FilePath cmd.exe -ArgumentList $arguments -WorkingDirectory $installerDir -Wait -PassThru -NoNewWindow
-# 3010 = success, reboot required
-if ($process.ExitCode -notin 0, 3010) {
-    Write-Error "vs_installer exited with code $($process.ExitCode)"
-}
-
-# fail here rather than with a confusing compile error if the components didn't install
-foreach ($header in 'atlbase.h', 'afxwin.h') {
-    if (-not (Test-Path "$installPath\VC\Tools\MSVC\$msvcVersion.*\atlmfc\include\$header")) {
-        Write-Error "$header for MSVC $msvcVersion is missing after install"
-    }
-}
@@ -1,48 +0,0 @@
-# - Removes duplicate entries and non-directories from a provided list
-#
-#  clean_directory_list(<listvar> [<additional list items>...])
-#
-# Requires CMake 2.6 or newer (uses the 'function' command)
-#
-# Original Author:
-# 2009-2010 Ryan Pavlik <[email protected]> <[email protected]>
-# http://academic.cleardefinition.com
-# Iowa State University HCI Graduate Program/VRAC
-#
-# Copyright Iowa State University 2009-2010.
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-if(__clean_directory_list)
-	return()
-endif()
-set(__clean_directory_list YES)
-
-function(clean_directory_list _var)
-	# combine variable's current value with additional list items
-	set(_in ${${_var}} ${ARGN})
-
-	if(_in)
-		# Initial list cleaning
-		list(REMOVE_DUPLICATES _in)
-
-		# Grab the absolute path of each actual directory
-		set(_out)
-		foreach(_dir ${_in})
-			if(IS_DIRECTORY "${_dir}")
-				get_filename_component(_dir "${_dir}" ABSOLUTE)
-				file(TO_CMAKE_PATH "${_dir}" _dir)
-				list(APPEND _out "${_dir}")
-			endif()
-		endforeach()
-
-		if(_out)
-			# Clean up the output list now
-			list(REMOVE_DUPLICATES _out)
-		endif()
-
-		# return _out
-		set(${_var} "${_out}" PARENT_SCOPE)
-	endif()
-endfunction()
@@ -1,311 +0,0 @@
-# - Create launchers to set working directory, env. vars, etc.
-#
-#  include(CreateLaunchers) - to make these available
-#  guess_runtime_library_dirs(<outputvarname> [<extralibrary> ...])
-#  create_default_target_launcher(<targetname>
-#    [ARGS <args...>]
-#    [FORWARD_ARGS]
-#    [RUNTIME_LIBRARY_DIRS <dir...>]
-#    [WORKING_DIRECTORY <dir>]
-#    [ENVIRONMENT <VAR=value> [<VAR=value>...]])
-#
-#  create_target_launcher(<targetname>
-#    [ARGS <args...>]
-#    [FORWARD_ARGS]
-#    [RUNTIME_LIBRARY_DIRS <dir...>]
-#    [WORKING_DIRECTORY <dir>]
-#    [ENVIRONMENT <VAR=value> [<VAR=value>...]])
-#
-#  create_generic_launcher(<launchername>
-#    [RUNTIME_LIBRARY_DIRS <dir...>]
-#    [WORKING_DIRECTORY <dir>]
-#    [ENVIRONMENT <VAR=value> [<VAR=value>...]])
-#    - sets GENERIC_LAUNCHER_COMMAND and GENERIC_LAUNCHER_FAIL_REGULAR_EXPRESSION
-#
-# Requires these CMake modules:
-#  ListFilter
-#  ProgramFilesGlob
-#  CleanDirectoryList
-#
-# Requires CMake 2.6 or newer (uses the 'function' command)
-#
-# Original Author:
-# 2009-2010 Ryan Pavlik <[email protected]> <[email protected]>
-# http://academic.cleardefinition.com
-# Iowa State University HCI Graduate Program/VRAC
-#
-# Copyright Iowa State University 2009-2010.
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-if(__create_launchers)
-	return()
-endif()
-set(__create_launchers YES)
-
-include(CleanDirectoryList)
-
-# We must run the following at "include" time, not at function call time,
-# to find the path to this module rather than the path to a calling list file
-get_filename_component(_launchermoddir
-	${CMAKE_CURRENT_LIST_FILE}
-	PATH)
-set(_launchermoddir "${_launchermoddir}/launcher-templates")
-
-macro(_launcher_system_settings)
-	if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-		set(BITS 64)
-	else()
-		set(BITS 32)
-	endif()
-
-	if(WIN32)
-		# Find user and system name
-		set(SYSTEM_NAME $ENV{USERDOMAIN})
-		set(USER_NAME $ENV{USERNAME})
-		set(VCPROJ_TYPE vcproj)
-		set(USERFILE_EXTENSION ${SYSTEM_NAME}.${USER_NAME}.user)
-		set(LAUNCHER_LINESEP "&#x0A;")
-		if(MSVC90)
-			set(USERFILE_VC_VERSION 9.00)
-		elseif(MSVC80)
-			set(USERFILE_VC_VERSION 8.00)
-		elseif(MSVC71)
-			set(USERFILE_VC_VERSION 7.10)
-		elseif(MSVC10 OR (MSVC AND MSVC_VERSION GREATER 1600)) # 2010 or newer
-			set(LAUNCHER_LINESEP "\n")
-			set(USERFILE_VC_VERSION 10.00)
-			set(USERFILE_EXTENSION user)
-			set(VCPROJ_TYPE vcxproj)
-		endif()
-		if(BITS EQUAL 64)
-			set(USERFILE_PLATFORM x64)
-		else()
-			set(USERFILE_PLATFORM Win${BITS})
-		endif()
-		set(_pathdelim ";")
-		set(_suffix "cmd")
-	else()
-		set(_pathdelim ":")
-		set(USERFILE_PLATFORM ${CMAKE_SYSTEM_NAME}${BITS})
-		set(_suffix "sh")
-		find_package(GDB QUIET)
-		if(GDB_FOUND)
-			set(LAUNCHERS_GOT_GDB YES)
-			if(GDB_HAS_RETURN_CHILD_RESULT)
-				set(LAUNCHERS_GDB_ARG --return-child-result)
-			endif()
-		else()
-			set(LAUNCHERS_GOT_GDB)
-		endif()
-	endif()
-
-	if(WIN32 AND NOT USERFILE_REMOTE_MACHINE)
-		site_name(USERFILE_REMOTE_MACHINE)
-		mark_as_advanced(USERFILE_REMOTE_MACHINE)
-	endif()
-endmacro()
-
-macro(_launcher_process_args)
-	set(_nowhere)
-	set(_curdest _nowhere)
-	set(_val_args
-		ARGS
-		RUNTIME_LIBRARY_DIRS
-		WORKING_DIRECTORY
-		ENVIRONMENT)
-	set(_bool_args FORWARD_ARGS)
-	foreach(_arg ${_val_args} ${_bool_args})
-		set(${_arg})
-	endforeach()
-	foreach(_element ${ARGN})
-		list(FIND _val_args "${_element}" _val_arg_find)
-		list(FIND _bool_args "${_element}" _bool_arg_find)
-		if("${_val_arg_find}" GREATER "-1")
-			set(_curdest "${_element}")
-		elseif("${_bool_arg_find}" GREATER "-1")
-			set("${_element}" ON)
-			set(_curdest _nowhere)
-		else()
-			list(APPEND ${_curdest} "${_element}")
-		endif()
-	endforeach()
-
-	if(_nowhere)
-		message(FATAL_ERROR
-			"Syntax error in use of a function in CreateLaunchers!")
-	endif()
-
-	# Turn into a list of native paths
-	set(_runtime_lib_dirs)
-	foreach(_dlldir ${RUNTIME_LIBRARY_DIRS})
-		file(TO_NATIVE_PATH "${_dlldir}" _path)
-		set(_runtime_lib_dirs "${_runtime_lib_dirs}${_path}${_pathdelim}")
-	endforeach()
-
-	if(NOT WORKING_DIRECTORY)
-		set(WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
-	endif()
-
-	if(FORWARD_ARGS)
-		if(WIN32)
-			set(FWD_ARGS %*)
-		else()
-			set(FWD_ARGS $*)
-		endif()
-	else()
-		set(FWD_ARGS)
-	endif()
-
-	set(USERFILE_WORKING_DIRECTORY "${WORKING_DIRECTORY}")
-	set(USERFILE_COMMAND_ARGUMENTS "${ARGS}")
-	set(LAUNCHERSCRIPT_COMMAND_ARGUMENTS "${ARGS} ${FWD_ARGS}")
-
-	if(WIN32)
-		set(RUNTIME_LIBRARIES_ENVIRONMENT "PATH=${_runtime_lib_dirs};%PATH%")
-		file(READ
-			"${_launchermoddir}/launcher.env.cmd.in"
-			_cmdenv)
-	else()
-		if(APPLE)
-			set(RUNTIME_LIBRARIES_ENVIRONMENT
-				"DYLD_LIBRARY_PATH=${_runtime_lib_dirs}:$DYLD_LIBRARY_PATH")
-		else()
-			set(RUNTIME_LIBRARIES_ENVIRONMENT
-				"LD_LIBRARY_PATH=${_runtime_lib_dirs}:$LD_LIBRARY_PATH")
-		endif()
-		file(READ
-			"${_launchermoddir}/launcher.env.sh.in"
-			_cmdenv)
-	endif()
-	set(USERFILE_ENVIRONMENT "${RUNTIME_LIBRARIES_ENVIRONMENT}")
-
-	set(USERFILE_ENV_COMMANDS)
-	foreach(_arg "${RUNTIME_LIBRARIES_ENVIRONMENT}" ${ENVIRONMENT})
-		string(CONFIGURE
-			"@USERFILE_ENVIRONMENT@@LAUNCHER_LINESEP@@_arg@"
-			USERFILE_ENVIRONMENT
-			@ONLY)
-		string(CONFIGURE
-			"@USERFILE_ENV_COMMANDS@${_cmdenv}"
-			USERFILE_ENV_COMMANDS
-			@ONLY)
-	endforeach()
-endmacro()
-
-macro(_launcher_produce_vcproj_user)
-	if(MSVC)
-		file(READ
-			"${_launchermoddir}/perconfig.${VCPROJ_TYPE}.user.in"
-			_perconfig)
-		file(TO_NATIVE_PATH "${USERFILE_WORKING_DIRECTORY}" NATIVE_WORKING_DIRECTORY)
-		set(USERFILE_CONFIGSECTIONS)
-		foreach(USERFILE_CONFIGNAME ${CMAKE_CONFIGURATION_TYPES})
-			string(CONFIGURE "${_perconfig}" _temp @ONLY ESCAPE_QUOTES)
-			set(USERFILE_CONFIGSECTIONS "${USERFILE_CONFIGSECTIONS}${_temp}")
-		endforeach()
-
-
-		configure_file("${_launchermoddir}/${VCPROJ_TYPE}.user.in"
-			"${VCPROJNAME}.${VCPROJ_TYPE}.${USERFILE_EXTENSION}"
-			@ONLY)
-	endif()
-
-endmacro()
-
-macro(_launcher_configure_executable _src _tmp _target)
-#    get_filename_component(_targetname "${_target}" NAME)
-    get_filename_component(_targetpath "${_target}" PATH)
-	configure_file("${_src}"
-		"${_tmp}"
-		@ONLY)
-	file(COPY "${_tmp}"
-	    DESTINATION "${_targetpath}"
-	    FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_WRITE GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
-endmacro()
-
-macro(_launcher_create_target_launcher)
-	set(TARGET_NAME ${_targetname})
-	
-	set(_fn "launch-${_targetname}-generator.${_suffix}")
-	
-	configure_file("${_launchermoddir}/targetlauncher.${_suffix}.in" 
-					"${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_fn}"
-					@ONLY)
-	
-	file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/launch-${_targetname}-$<CONFIGURATION>.${_suffix}"
-			INPUT "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_fn}")
-endmacro()
-
-function(create_default_target_launcher _targetname)
-	_launcher_system_settings()
-	_launcher_process_args(${ARGN})
-
-	set(VCPROJNAME "${CMAKE_BINARY_DIR}/ALL_BUILD")
-	_launcher_produce_vcproj_user()
-
-	_launcher_create_target_launcher()
-endfunction()
-
-function(create_target_launcher _targetname)
-	_launcher_system_settings()
-	_launcher_process_args(${ARGN})
-
-	set(VCPROJNAME "${CMAKE_CURRENT_BINARY_DIR}/${_targetname}")
-	_launcher_produce_vcproj_user()
-
-	_launcher_create_target_launcher()
-endfunction()
-
-function(create_generic_launcher _launchername)
-	_launcher_system_settings()
-	_launcher_process_args(${ARGN})
-
-	if(NOT IS_ABSOLUTE _launchername)
-		set(_launchername
-			"${CMAKE_CURRENT_BINARY_DIR}/${_launchername}.${_suffix}")
-	else()
-		set(_launchername "${_launchername}.${_suffix}")
-	endif()
-	if(WIN32)
-		set(GENERIC_LAUNCHER_COMMAND "${_launchername}" PARENT_SCOPE)
-		set(GENERIC_LAUNCHER_FAIL_REGULAR_EXPRESSION)
-	else()
-		set(GENERIC_LAUNCHER_COMMAND sh "${_launchername}" PARENT_SCOPE)
-		set(GENERIC_LAUNCHER_FAIL_REGULAR_EXPRESSION
-			"Program terminated with signal")
-	endif()
-
-	_launcher_configure_executable("${_launchermoddir}/genericlauncher.${_suffix}.in"
-	    "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/genericlauncher.${_suffix}.in"
-		"${_launchername}")
-endfunction()
-
-function(guess_runtime_library_dirs _var)
-	# Start off with the link directories of the calling listfile's directory
-	get_directory_property(_libdirs LINK_DIRECTORIES)
-
-	# Add additional libraries passed to the function
-	foreach(_lib ${ARGN})
-		get_filename_component(_libdir "${_lib}" PATH)
-		list(APPEND _libdirs "${_libdir}")
-	endforeach()
-
-	# Now, build a list of potential dll directories
-	set(_dlldirs)
-	foreach(_libdir ${_libdirs})
-		# Add the libdir itself
-		list(APPEND _dlldirs "${_libdir}")
-
-		# Look also in libdir/../bin since the dll might not be with the lib
-		get_filename_component(_libdir "${_libdir}/../bin" ABSOLUTE)
-		list(APPEND _dlldirs "${_libdir}")
-	endforeach()
-
-	# Only keep the valid, unique directories
-	clean_directory_list(_dlldirs)
-
-	# Return _dlldirs
-	set(${_var} "${_dlldirs}" PARENT_SCOPE)
-endfunction()
@@ -1,88 +0,0 @@
-# - Add flags to compile with extra warnings
-#
-#  enable_extra_compiler_warnings(<targetname>)
-#  globally_enable_extra_compiler_warnings() - to modify CMAKE_CXX_FLAGS, etc
-#    to change for all targets declared after the command, instead of per-command
-#
-#
-# Original Author:
-# 2010 Ryan Pavlik <[email protected]> <[email protected]>
-# http://academic.cleardefinition.com
-# Iowa State University HCI Graduate Program/VRAC
-#
-# Copyright Iowa State University 2009-2010.
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-if(__enable_extra_compiler_warnings)
-	return()
-endif()
-set(__enable_extra_compiler_warnings YES)
-
-macro(_enable_extra_compiler_warnings_flags)
-	set(_flags)
-	if(MSVC)
-		option(COMPILER_WARNINGS_EXTREME
-			"Use compiler warnings that are probably overkill."
-			off)
-		mark_as_advanced(COMPILER_WARNINGS_EXTREME)
-		set(_flags "/W4")
-		if(COMPILER_WARNINGS_EXTREME)
-			set(_flags "${_flags} /Wall /wd4619 /wd4668 /wd4820 /wd4571 /wd4710")
-		endif()
-	else()
-		include(CheckCXXCompilerFlag)
-		set(_flags)
-
-		check_cxx_compiler_flag(-W SUPPORTS_W_FLAG)
-		if(SUPPORTS_W_FLAG)
-			set(_flags "${_flags} -W")
-		endif()
-
-		check_cxx_compiler_flag(-Wall SUPPORTS_WALL_FLAG)
-		if(SUPPORTS_WALL_FLAG)
-			set(_flags "${_flags} -Wall")
-		endif()
-
-		check_cxx_compiler_flag(-Wextra SUPPORTS_WEXTRA_FLAG)
-		if(SUPPORTS_WEXTRA_FLAG)
-			set(_flags "${_flags} -Wextra")
-		endif()
-
-		if(SUPPORTS_WALL_FLAG)
-			# At least GCC includes -Wmaybe-uninitialized in -Wall, which
-			# unneccesarily whines about boost::optional (by it's nature
-			# it's a "maybe" warning - prone to noisy false-positives)
-			check_cxx_compiler_flag(-Wno-maybe-uninitialized SUPPORTS_WNO_MAYBE_UNINITIALIZED_FLAG)
-			if(SUPPORTS_WNO_MAYBE_UNINITIALIZED_FLAG)
-				set(_flags "${_flags} -Wno-maybe-uninitialized")
-			endif()
-		endif()
-	endif()
-endmacro()
-
-function(enable_extra_compiler_warnings _target)
-	_enable_extra_compiler_warnings_flags()
-	get_target_property(_origflags ${_target} COMPILE_FLAGS)
-	if(_origflags)
-		set_property(TARGET
-			${_target}
-			PROPERTY
-			COMPILE_FLAGS
-			"${_flags} ${_origflags}")
-	else()
-		set_property(TARGET
-			${_target}
-			PROPERTY
-			COMPILE_FLAGS
-			"${_flags}")
-	endif()
-
-endfunction()
-
-function(globally_enable_extra_compiler_warnings)
-	_enable_extra_compiler_warnings_flags()
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flags}" PARENT_SCOPE)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flags}" PARENT_SCOPE)
-endfunction()
@@ -1,53 +0,0 @@
-# - Combine lists of prefixes and suffixes in all combinations
-#
-#  list_combinations(var PREFIXES listitems... SUFFIXES listitems...) -
-#   where var is the name of your desired output variable and PREFIXES
-#   and SUFFIXES are special arguments that indicate the start of your
-#   list of prefixes or suffixes respectively.
-#
-# Original Author:
-# 2009-2010 Ryan Pavlik <[email protected]> <[email protected]>
-# http://academic.cleardefinition.com
-# Iowa State University HCI Graduate Program/VRAC
-#
-# Copyright Iowa State University 2009-2010.
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-if(__list_combinations)
-	return()
-endif()
-set(__list_combinations YES)
-
-function(list_combinations var)
-	# Parse arguments
-	set(_prefixes)
-	set(_suffixes)
-	set(_nowhere)
-	set(_curdest _nowhere)
-	foreach(_element ${ARGN})
-		if("${_element}" STREQUAL "PREFIXES")
-			set(_curdest _prefixes)
-		elseif("${_element}" STREQUAL "SUFFIXES")
-			set(_curdest _suffixes)
-		else()
-			list(APPEND ${_curdest} "${_element}")
-		endif()
-	endforeach()
-	if(_nowhere)
-		message(STATUS "_prefixes ${_prefixes}")
-		message(STATUS "_prefixes ${_suffixes}")
-		message(STATUS "_prefixes ${_nowhere}")
-		message(FATAL_ERROR
-			"Syntax error in use of ${CMAKE_CURRENT_LIST_FILE}")
-	endif()
-
-	foreach(_prefix ${_prefixes})
-		foreach(_suffix ${_suffixes})
-			list(APPEND _out "${_prefix}${_suffix}")
-		endforeach()
-	endforeach()
-
-	set(${var} "${_out}" PARENT_SCOPE)
-endfunction()
@@ -1,31 +0,0 @@
-# - Compile with multiple processes on MSVC
-#
-#  include(MSVCMultipleProcessCompile)
-#
-# Requires these CMake modules:
-#  ListCombinations.cmake
-#
-# Original Author:
-# 2009-2010 Ryan Pavlik <[email protected]> <[email protected]>
-# http://academic.cleardefinition.com
-# Iowa State University HCI Graduate Program/VRAC
-#
-# Copyright Iowa State University 2009-2010.
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-if(MSVC AND NOT "${MSVC_VERSION}" LESS 1400)
-	# Only available in VS 2005 and newer
-	string(TOUPPER "${CMAKE_CONFIGURATION_TYPES}" _conftypesUC)
-	include(ListCombinations)
-	list_combinations(_varnames
-		PREFIXES
-		CMAKE_C_FLAGS_
-		CMAKE_CXX_FLAGS_
-		SUFFIXES
-		${_conftypesUC})
-	foreach(_var ${_varnames})
-		set(${_var} "${${_var}} /MP")
-	endforeach()
-endif()
@@ -11,8 +11,6 @@ if (WIN32)
 	endif()
 elseif(APPLE)
 	# it should just work
-elseif(ANDROID)
-	# connects to a java TTS manager via SDL activity class
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 	# uses speech-dispatcher with dlopen
 else()
@@ -1,14 +0,0 @@
-cd @USERFILE_WORKING_DIRECTORY@
-@USERFILE_ENV_COMMANDS@
-
-IF NOT [x%1]==[x--debugger] GOTO SkipDebuggingMess
-
-ECHO Need to ditch the debugger!
-SHIFT /1
-%1 %2 %3 %4 %5 %6 %7 %8 %9
-GOTO EOF
-
-:SkipDebuggingMess
-%*
-
-:EOF
@@ -1,18 +0,0 @@
-#!/bin/sh
-bindir=$(pwd)
-cd @USERFILE_WORKING_DIRECTORY@
-@USERFILE_ENV_COMMANDS@
-if test "x$1" = "x--debugger"; then
-	shift
-	cmd="$1"
-	shift
-	if test "x@LAUNCHERS_GOT_GDB@" = "xYES"; then
-		echo "r $@" > $bindir/gdbscript
-		echo "bt" >> $bindir/gdbscript
-		@GDB_COMMAND@ -batch -command=$bindir/gdbscript @LAUNCHERS_GDB_ARG@ $cmd
-	else
-		$cmd $@
-	fi
-else
-	$@
-fi
@@ -1 +0,0 @@
-set @_arg@
@@ -1 +0,0 @@
-export @_arg@
@@ -1,28 +0,0 @@
-		<Configuration
-			Name="@USERFILE_CONFIGNAME@|@USERFILE_PLATFORM@"
-			>
-			<DebugSettings
-				Command="${USERFILE_@USERFILE_CONFIGNAME@_COMMAND}"
-				WorkingDirectory="@USERFILE_WORKING_DIRECTORY@"
-				CommandArguments="@USERFILE_COMMAND_ARGUMENTS@"
-				Attach="false"
-				DebuggerType="3"
-				Remote="1"
-				RemoteMachine="@USERFILE_REMOTE_MACHINE@"
-				RemoteCommand=""
-				HttpUrl=""
-				PDBPath=""
-				SQLDebugging=""
-				Environment="@USERFILE_ENVIRONMENT@"
-				EnvironmentMerge="true"
-				DebuggerFlavor=""
-				MPIRunCommand=""
-				MPIRunArguments=""
-				MPIRunWorkingDirectory=""
-				ApplicationCommand=""
-				ApplicationArguments=""
-				ShimCommand=""
-				MPIAcceptMode=""
-				MPIAcceptFilter=""
-			/>
-		</Configuration>
@@ -1,7 +0,0 @@
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='@USERFILE_CONFIGNAME@|@USERFILE_PLATFORM@'">
-    <LocalDebuggerEnvironment>@USERFILE_ENVIRONMENT@</LocalDebuggerEnvironment>
-    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
-    <LocalDebuggerCommand>$(TargetPath)</LocalDebuggerCommand>
-    <LocalDebuggerCommandArguments>@USERFILE_COMMAND_ARGUMENTS@</LocalDebuggerCommandArguments>
-    <LocalDebuggerWorkingDirectory>@NATIVE_WORKING_DIRECTORY@</LocalDebuggerWorkingDirectory>
-  </PropertyGroup>
@@ -1,8 +0,0 @@
-cd @USERFILE_WORKING_DIRECTORY@
-@USERFILE_ENV_COMMANDS@
-if [%1]==[--debugger] (
-	SHIFT
-)
-
-"@USERFILE_COMMAND@" @LAUNCHERSCRIPT_COMMAND_ARGUMENTS@
-pause
@@ -1,16 +0,0 @@
-#!/bin/sh
-bindir=$(pwd)
-cd @USERFILE_WORKING_DIRECTORY@
-@USERFILE_ENV_COMMANDS@
-if test "x$1" = "x--debugger"; then
-	shift
-	if test "x@LAUNCHERS_GOT_GDB@" = "xYES"; then
-		echo "r @LAUNCHERSCRIPT_COMMAND_ARGUMENTS@" > $bindir/gdbscript
-		echo "bt" >> $bindir/gdbscript
-		@GDB_COMMAND@ -batch -command=$bindir/gdbscript @LAUNCHERS_GDB_ARG@ @USERFILE_COMMAND@ 
-	else
-		"@USERFILE_COMMAND@" @LAUNCHERSCRIPT_COMMAND_ARGUMENTS@
-	fi
-else
-	"@USERFILE_COMMAND@" @LAUNCHERSCRIPT_COMMAND_ARGUMENTS@
-fi
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioUserFile
-	ProjectType="Visual C++"
-	Version="@USERFILE_VC_VERSION@"
-	ShowAllFiles="false"
-	>
-	<Configurations>
-@USERFILE_CONFIGSECTIONS@
-	</Configurations>
-</VisualStudioUserFile>
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-@USERFILE_CONFIGSECTIONS@
-</Project>
@@ -11,6 +11,9 @@ endif()

 target_link_libraries(platform INTERFACE ${COCOA_LIBRARY})

+# To support C++17 we need to target at least 10.13. maybe 10.14 for some rare features
+SET(CMAKE_OSX_DEPLOYMENT_TARGET "10.13")
+
 SET(CMAKE_SKIP_RPATH FALSE)
 SET(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
 SET(CMAKE_INSTALL_RPATH @loader_path/../Frameworks/)
@@ -43,6 +43,7 @@ endif()

 if (USE_STATIC_LIBCXX)
 	set(CXX_BASE_FLAGS "${CXX_BASE_FLAGS} -static-libstdc++ -Qunused-arguments")
+	set(CLANG_USE_LIBCXX ON)
 endif()

 # For C and C++, the values can be overwritten independently
@@ -134,10 +135,8 @@ endif()
 set(CXX_FLAGS_RELEASE "${CXX_OPT_FLAG_RELEASE} -Wno-unused-variable -Wno-unused-parameter")
 set(C_FLAGS_RELEASE "${C_OPT_FLAG_RELEASE} -Wno-unused-variable -Wno-unused-parameter")

-# Valgrind (as used by CI) does not understand the DWARF5 debug info that clang
-# emits by default, so force DWARF4 to keep memcheck able to symbolize the binary.
-set(CXX_FLAGS_DEBUG "${CXX_OPT_FLAG_DEBUG} -g -gdwarf-4 -Wshadow")
-set(C_FLAGS_DEBUG "${C_OPT_FLAG_DEBUG} -g -gdwarf-4 -Wshadow")
+set(CXX_FLAGS_DEBUG "${CXX_OPT_FLAG_DEBUG} -g -Wshadow")
+set(C_FLAGS_DEBUG "${C_OPT_FLAG_DEBUG} -g -Wshadow")

 # Always use the base flags and add our compiler flags at the back
 set(CMAKE_CXX_FLAGS "${CXX_BASE_FLAGS} ${COMPILER_FLAGS}")
@@ -13,13 +13,6 @@ option(MSVC_RELEASE_DEBUGGING "Set options that allow to debug release builds" O
 MARK_AS_ADVANCED(FORCE MSVC_USE_RUNTIME_DLL)
 MARK_AS_ADVANCED(FORCE MSVC_RELEASE_DEBUGGING)

-# Qt is only available as DLL-runtime builds, so qtFRED forces the DLL runtime for the whole tree
-if(MSVC_USE_RUNTIME_DLL OR FSO_BUILD_QTFRED)
-	set(FSO_MSVC_RUNTIME_DLL ON)
-else()
-	set(FSO_MSVC_RUNTIME_DLL OFF)
-endif()
-
 # These are the warnings we disable
 set(WARNING_FLAGS
 	/wd4100 # unreferenced formal parameters
@@ -78,12 +71,12 @@ if (MSVC_RELEASE_DEBUGGING)
 	endif()
 endif()

-# The debug runtime is not redistributable (statically linked or not), so only Debug may use it
-IF(FSO_MSVC_RUNTIME_DLL)
-	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
+# This should be kept in sync with the corresponding IF() in fred2/CMakeLists.txt
+IF(MSVC_USE_RUNTIME_DLL OR FSO_BUILD_QTFRED)
+	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<NOT:$<CONFIG:Release>>:Debug>DLL")
 	add_compile_definitions(_AFXDLL)
 ELSE()
-	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<NOT:$<CONFIG:Release>>:Debug>")
 ENDIF()

 # Debug
@@ -3,13 +3,7 @@

 add_library(compiler INTERFACE)

-set(FSO_CONFIG_DEFINITIONS "$<$<CONFIG:Release>:NDEBUG>" "$<$<CONFIG:Debug>:_DEBUG>")
-if(NOT MSVC)
-	# On MSVC the debug runtime flags (/MTd, /MDd) define _DEBUG themselves, and a FastDebug
-	# build on the release runtime must not have it
-	list(APPEND FSO_CONFIG_DEFINITIONS "$<$<CONFIG:FastDebug>:_DEBUG>")
-endif()
-target_compile_definitions(compiler INTERFACE ${FSO_CONFIG_DEFINITIONS})
+target_compile_definitions(compiler INTERFACE "$<$<CONFIG:Release>:NDEBUG>;$<$<CONFIG:Debug>:_DEBUG>;$<$<CONFIG:FastDebug>:_DEBUG>")

 set(FORCED_NATIVE_SIMD_INSTRUCTIONS ON CACHE BOOL "Override instruction set detection and compile with the maximum possible instructions for the current system.")
 IF(IS_X86)
@@ -80,3 +74,12 @@ set(CMAKE_C_FLAGS_FASTDEBUG "${CMAKE_C_FLAGS_RELEASE}")
 set(CMAKE_CXX_FLAGS_FASTDEBUG "${CMAKE_CXX_FLAGS_RELEASE}")
 set(CMAKE_EXE_LINKER_FLAGS_FASTDEBUG "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
 set(CMAKE_STATIC_LINKER_FLAGS_FASTDEBUG "${CMAKE_STATIC_LINKER_FLAGS_RELEASE}")
+
+if (MSVC)
+	# Adjust runtime library
+	string(REPLACE "/MD" "/MDd" CMAKE_C_FLAGS_FASTDEBUG "${CMAKE_C_FLAGS_FASTDEBUG}")
+	string(REPLACE "/MT" "/MTd" CMAKE_C_FLAGS_FASTDEBUG "${CMAKE_C_FLAGS_FASTDEBUG}")
+	
+	string(REPLACE "/MD" "/MDd" CMAKE_CXX_FLAGS_FASTDEBUG "${CMAKE_CXX_FLAGS_FASTDEBUG}")
+	string(REPLACE "/MT" "/MTd" CMAKE_CXX_FLAGS_FASTDEBUG "${CMAKE_CXX_FLAGS_FASTDEBUG}")
+endif()
@@ -66,37 +66,33 @@ ENDIF(EXISTS \"${CMAKE_CURRENT_BINARY_DIR}/${TARGET}/${FILE}\")
 	SET(${OUTVAR} "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}/${NAME} PARENT_SCOPE)
 ENDFUNCTION(EP_CHECK_FILE_EXISTS)

-# Use rsync if possible for COPY_FILE_TO_TARGET macro in order to preserve
-# symlinks as copy_if_different follows them which results in multiple copies
-if(PLATFORM_UNIX AND NOT DEFINED RSYNC_BIN)
-	find_program(RSYNC_BIN rsync)
-endif()
-
 MACRO(COPY_FILE_TO_TARGET _target _file)
-	if(RSYNC_BIN)
-		ADD_CUSTOM_COMMAND(
-				TARGET ${_target} POST_BUILD
-				COMMAND ${RSYNC_BIN} -rlq "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}"
-				COMMENT "copying '${_file}'..."
-				VERBATIM
-		)
-	else()
-		if (IS_DIRECTORY "${_file}")
-			get_filename_component(_dirName "${_file}" NAME)
+	if (IS_DIRECTORY "${_file}")
+		get_filename_component(_dirName "${_file}" NAME)
+		if (PLATFORM_MAC AND ("${_file}" MATCHES ".framework$"))
+			# This is stupid, but it preserves symlinks, unlike copy_directory_if_different.
+			# Otherwise we end up creating duplicate files in the copied framework.
 			ADD_CUSTOM_COMMAND(
 					TARGET ${_target} POST_BUILD
-					COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}/${_dirName}"
+					COMMAND rsync -rlq "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}"
 					COMMENT "copying '${_file}'..."
 					VERBATIM
 			)
 		else()
 			ADD_CUSTOM_COMMAND(
 					TARGET ${_target} POST_BUILD
-					COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}/"
+					COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}/${_dirName}"
 					COMMENT "copying '${_file}'..."
 					VERBATIM
 			)
 		endif()
+	else()
+		ADD_CUSTOM_COMMAND(
+				TARGET ${_target} POST_BUILD
+				COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_file}" "$<TARGET_FILE_DIR:${_target}>/${LIBRAY_DESTINATION}/"
+				COMMENT "copying '${_file}'..."
+				VERBATIM
+		)
 	endif()
 endmacro(COPY_FILE_TO_TARGET)

@@ -241,17 +237,6 @@ function(suppress_file_warnings)
 	endif()
 endfunction(suppress_file_warnings)

-# Suppress no symbols warnings in static libraries (on Xcode)
-function(suppress_no_symbol_warnings _target)
-	if(XCODE)
-		get_target_property(target_type ${_target} TYPE)
-		if(target_type STREQUAL "STATIC_LIBRARY")
-			set_property(TARGET ${_target} APPEND PROPERTY
-				STATIC_LIBRARY_OPTIONS "-no_warning_for_no_symbols"
-			)
-		endif()
-	endif()
-endfunction(suppress_no_symbol_warnings)

 function(list_target_dependencies _target _out_var)
 	set(out_list)
@@ -6,8 +6,8 @@ if (EXISTS "${PROJECT_SOURCE_DIR}/version_override.cmake")
    include("${PROJECT_SOURCE_DIR}/version_override.cmake")
 endif()

-set_if_not_defined(FSO_VERSION_MAJOR 26)
-set_if_not_defined(FSO_VERSION_MINOR 3)
+set_if_not_defined(FSO_VERSION_MAJOR 25)
+set_if_not_defined(FSO_VERSION_MINOR 1)
 set_if_not_defined(FSO_VERSION_BUILD 0)

 # A numeric revision e.g. the CI build number
@@ -39,7 +39,7 @@ TARGET_LINK_LIBRARIES(code PUBLIC ${PNG_LIBS})
 TARGET_LINK_LIBRARIES(code PUBLIC ${JPEG_LIBS})
 TARGET_LINK_LIBRARIES(code PUBLIC lz4)

-TARGET_LINK_LIBRARIES(code PUBLIC sdl3)
+TARGET_LINK_LIBRARIES(code PUBLIC sdl2)

 if (FSO_BUILD_WITH_FFMPEG)
 	TARGET_LINK_LIBRARIES(code PUBLIC ffmpeg)
@@ -76,6 +76,8 @@ TARGET_LINK_LIBRARIES(code PUBLIC jansson)

 target_link_libraries(code PUBLIC anl)

+target_link_libraries(code PUBLIC hidapi::hidapi)
+
 target_link_libraries(code PUBLIC imgui)

 IF(FSO_BUILD_WITH_OPENXR)
@@ -111,9 +113,16 @@ if (FSO_BUILD_WITH_OPENGL)
 	target_compile_definitions(code PUBLIC WITH_OPENGL)
 endif()
 if (FSO_BUILD_WITH_VULKAN)
-	target_compile_definitions(code PUBLIC WITH_VULKAN VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1 VK_NO_PROTOTYPES)
-	target_include_directories(code PUBLIC Vulkan::Headers)
-	target_link_libraries(code PUBLIC VulkanMemoryAllocator)
+	find_package(Vulkan REQUIRED)
+	if (Vulkan_FOUND)
+		target_compile_definitions(code PUBLIC WITH_VULKAN)
+		target_link_libraries(code PRIVATE Vulkan::Vulkan)
+
+		target_compile_definitions(code PUBLIC WITH_VULKAN VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1 VK_NO_PROTOTYPES)
+	else()
+		message(WARNING "FSO_BUILD_WITH_VULKAN was set, but the package was unable to be found. Forcing OFF.")
+		set(FSO_BUILD_WITH_VULKAN OFF CACHE BOOL "Enable compilation of the Vulkan renderer" FORCE)
+	endif()
 endif()

 include(shaders.cmake)
@@ -130,8 +139,5 @@ set_target_properties(code PROPERTIES XCODE_ATTRIBUTE_COPY_PHASE_STRIP[variant=D
 set_target_properties(code PROPERTIES XCODE_ATTRIBUTE_STRIP_INSTALLED_PRODUCT[variant=Debug] "NO")
 set_target_properties(code PROPERTIES XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN[variant=Debug] "NO")

-# Prevent warnings on files with no symbols on Mac
-suppress_no_symbol_warnings(code)
-
 # Prevent GCC warnings in third-party BitOp... see GitHub #4366
 suppress_file_warnings(scripting/lua/bitop/bit.c)
@@ -38,7 +38,7 @@ const TypeDefinition& TypeDefinition::forValueType(ValueType type)
 	case ValueType::String:
 		return s_identifier;
 	default:
-		UNREACHABLE("Invalid value type %d!", static_cast<int>(type));
+		UNREACHABLE("Invalid value type!");
 		return s_integer; // Make compiler happy
 	}
 }
@@ -16,11 +16,9 @@
 #include "ai/ai.h"
 #include "object/object.h"
 #include "ship/ship.h"
-#include "utils/string_utils.h"


-// heap-allocated rather than SCP_string, so that the pointers held by ai goals stay valid when the vector grows
-SCP_vector<SCP_vm_unique_ptr<char>> Goal_target_names;
+SCP_vector<char *> Goal_target_names;
 ai_info Ai_info[MAX_AI_INFO];
 ai_info *Player_ai;

@@ -59,13 +57,20 @@ const char *ai_get_goal_target_name(const char *name, int *index)
 	Assertion(name != nullptr && index != nullptr, "Arguments cannot be null!");

 	for (int i = 0; i < static_cast<int>(Goal_target_names.size()); ++i) {
-		if (!stricmp(name, Goal_target_names[i].get())) {
+		if (!stricmp(name, Goal_target_names[i])) {
 			*index = i;
-			return Goal_target_names[i].get();
+			return Goal_target_names[i];
 		}
 	}

 	*index = static_cast<int>(Goal_target_names.size());
-	Goal_target_names.push_back(util::vm_unique_copy(name, false));
-	return Goal_target_names.back().get();
+	Goal_target_names.push_back(vm_strdup(name));
+	return Goal_target_names[*index];
+}
+
+void ai_clear_goal_target_names()
+{
+	for (auto ptr : Goal_target_names)
+		vm_free(ptr);
+	Goal_target_names.clear();
 }
@@ -295,7 +295,6 @@ typedef struct ai_info {
 	vec3d	path_create_pos;		//	Object's position at time of global path creation.
 	matrix	path_create_orient;	//	Object's orientation at time of global path creation.
 	int		mp_index;				//	Model path index.  Index in polymodel:model_paths
-	int		mp_randomized_vert;		//	Vertex of the model path that was given a random offset, or -1
 	fix		path_next_check_time;	//	Last time checked to see if would collide with model.
 	int		path_goal_dist;		// minimum distance to first path point to consider path reached
 	int		path_subsystem_next_check;	// timestamp to next check if subsystem is still visible
@@ -495,8 +494,8 @@ extern int Mission_all_attack;	//	!0 means all teams attack all teams.
 extern ai_info Ai_info[];
 extern ai_info *Player_ai;

-extern SCP_vector<ai_class> Ai_classes;
-extern SCP_vector<const char*> Ai_class_names;
+extern ai_class *Ai_classes;
+extern char** Ai_class_names;

 extern int Num_ai_classes;
 extern int Ai_firing_enabled;
@@ -526,6 +525,7 @@ void ai_object_init(object * obj, int ai_index);
 void ai_process( object * obj, int ai_index, float frametime );

 const char *ai_get_goal_target_name(const char *name, int *index);
+void ai_clear_goal_target_names();

 extern void init_ai_system(void);
 extern void ai_attack_object(object *attacker, object *attacked, int ship_info_index = -1, int class_type = -1);
@@ -535,7 +535,6 @@ extern void ai_ignore_wing(object *ignorer, int wingnum);
 extern void ai_dock_with_object(object *docker, int docker_index, object *dockee, int dockee_index, int dock_type);
 extern void ai_stay_still(object *still_objp, vec3d *view_pos);
 extern void ai_do_default_behavior(object *obj);
-extern void ai_reset_order_state(ai_info *aip);
 extern void ai_start_waypoints(object *objp, int wl_index, int wp_flags, int start_index, bool force = false);
 extern void ai_ship_hit(object *objp_ship, object *hit_objp, const vec3d *hit_normal);
 extern void ai_ship_destroy(int shipnum);
@@ -598,9 +597,7 @@ extern int ai_maybe_fire_afterburner(object *objp, ai_info *aip);
 extern void set_predicted_enemy_pos(vec3d *predicted_enemy_pos, object *pobjp, vec3d *enemy_pos, vec3d *enemy_vel, ai_info *aip);

 extern int is_instructor(object *objp);
-extern int find_enemy(int objnum, float range, int max_attackers, bool for_pursuit, int ship_info_index = -1, int class_type = -1);
-extern bool ai_targets_for_pursuit(const ai_info *aip);
-extern bool ai_declines_pursuit(const object *attacker_objp, const object *target_objp);
+extern int find_enemy(int objnum, float range, int max_attackers, int ship_info_index = -1, int class_type = -1);

 float ai_get_weapon_speed(const ship_weapon *swp);
 void set_predicted_enemy_pos_turret(vec3d *predicted_enemy_pos, const vec3d *gun_pos, const object *pobjp, const vec3d *enemy_pos, const vec3d *enemy_vel, float weapon_speed, float time_enemy_in_range);
@@ -621,7 +618,7 @@ extern float dock_orient_and_approach(object *docker_objp, int docker_index, obj
 void ai_set_mode_warp_out(object *objp, ai_info *aip);

 // prototyped by Goober5000
-int get_nearest_objnum(int objnum, int enemy_team_mask, int enemy_wing, float range, int max_attackers, bool for_pursuit, int ship_info_index, int class_type = -1);
+int get_nearest_objnum(int objnum, int enemy_team_mask, int enemy_wing, float range, int max_attackers, int ship_info_index, int class_type = -1);

 // moved to header file by Goober5000
 void ai_announce_ship_dying(object *dying_objp);
@@ -176,12 +176,6 @@ namespace AI {
 		Dont_limit_change_in_speed_due_to_physics_whack,
 		Guards_ignore_protected_attackers,
 		Fix_standard_strafe,
-		Fix_ai_target_recovery,	// a) strafing ships that lose their target re-process their orders, like chasing ships already do
-								// b) ships parked in AIM_NONE while holding a standing chase order (attack-any etc.) re-process their orders;
-								// c) target selection for pursuit (chasing, guard reactions, retaliation) skips ships outside the attacker's
-								//    actively-pursues list; targets held while not chasing are unaffected, and explicitly ordered targets are
-								//    still assigned but not chased or strafed;
-								// d) enemy_wing is reset when a new order takes over (shared with Fix_stale_ai_order_state)
 		Standard_strafe_used_more,
 		Unify_usage_ai_shield_manage_delay,
 		Fix_AI_shield_management_bug,
@@ -197,17 +191,6 @@ namespace AI {
 		Purge_player_issued_form_on_wing_after_subsequent_order,
 		Cancel_future_waves_of_any_wing_launched_from_an_exited_ship,
 		Fix_ignore_if_dead_flag,
-		Kamikaze_no_collision_avoidance,
-		Fix_big_ship_waypoint_completion,	// a) big ships complete a waypoint within their radius rather than sqrt(radius);
-											// b) completion no longer requires moving 0.1m in a single frame (framerate-dependent)
-		Fix_shockwave_expire_before_do_damage,	// shockwaves whose lifetime is shorter than one frame apply their area damage at least once before expiring
-		Fix_small_ai_recover_after_engines_repaired, // ensure small ship AI can switch back to useful AI modes if engines get repaired
-		Fix_model_path_refresh_randomization,	// a subsystem path keeps its randomized point when the path is refreshed because the target moved
-		Fix_bay_speed_ramp,		// the fighterbay speed ramp covers only the bay path itself, not points that route a departing ship around the carrier, and never exceeds max speed
-		Fix_stale_ai_order_state,	// a) enemy_wing, guard_*, previous_mode, resume_goal_time, and the targeted subsystem (with its path) are reset when a new order takes over (enemy_wing is also reset under Fix_ai_target_recovery);
-									// b) a dynamic chase saves previous_mode/previous_submode; it and strafe entry leave them alone during an ongoing dynamic goal (evading a weapon still overwrites them, which is harmless since the evade resume re-processes orders);
-									// c) resuming guard duty discards any subsystem target and path left over from the interruption;
-									// d) a ship ordered to guard itself, or to guard a wing it leads (including one that becomes leader mid-mission), treats that goal as unachievable instead of holding it forever

 		NUM_VALUES
 	};
@@ -140,7 +140,7 @@ void parse_ai_profiles_tbl(const char *filename)
 				// don't create multiple profiles with the same name
 				if (previous_profile != NULL)
 				{
-					Warning(LOCATION, "An AI profile named '%s' already exists!  The new one will not be created.\n", profile_name);
+					Warning(LOCATION, "An ai profile named '%s' already exists!  The new one will not be created.\n", profile_name);
 				}
 				else
 				{
@@ -412,7 +412,7 @@ void parse_ai_profiles_tbl(const char *filename)

 				set_flag(profile, "$disable player secondary doublefire:", AI::Profile_Flags::Disable_player_secondary_doublefire);

-				set_flag(profile, "$disable AI secondary doublefire:", AI::Profile_Flags::Disable_ai_secondary_doublefire);
+				set_flag(profile, "$disable ai secondary doublefire:", AI::Profile_Flags::Disable_ai_secondary_doublefire);

 				set_flag(profile, "$disable weapon damage scaling:", AI::Profile_Flags::Disable_weapon_damage_scaling);

@@ -450,7 +450,7 @@ void parse_ai_profiles_tbl(const char *filename)

 				set_flag(profile, "$force beam turrets to use normal fov:", AI::Profile_Flags::Force_beam_turret_fov);

-				set_flag(profile, "$fix AI class bug:", AI::Profile_Flags::Fix_ai_class_bug);
+				set_flag(profile, "$fix ai class bug:", AI::Profile_Flags::Fix_ai_class_bug);

 				set_flag(profile, "$turrets ignore targets radius in range checks:", AI::Profile_Flags::Turrets_ignore_target_radius);

@@ -505,13 +505,13 @@ void parse_ai_profiles_tbl(const char *filename)
 						profile->ai_path_mode = j;
 					}
 					else {
-						Warning(LOCATION, "Invalid AI path mode '%s' specified", buf);
+						Warning(LOCATION, "Invalid ai path mode '%s' specified", buf);
 					}
 				}

 				set_flag(profile, "$no warp camera:", AI::Profile_Flags::No_warp_camera);

-				set_flag(profile, "$fix AI path order bug:", AI::Profile_Flags::Fix_ai_path_order_bug);
+				set_flag(profile, "$fix ai path order bug:", AI::Profile_Flags::Fix_ai_path_order_bug);

 				set_flag(profile, "$strict turret-tagged-only targeting:", AI::Profile_Flags::Strict_turret_tagged_only_targeting);

@@ -622,7 +622,7 @@ void parse_ai_profiles_tbl(const char *filename)
 						profile->ai_range_aware_secondary_select_mode = j;
 					}
 					else {
-						Warning(LOCATION, "Invalid AI secondary range awareness mode '%s' specified", buf);
+						Warning(LOCATION, "Invalid ai secondary range awareness mode '%s' specified", buf);
 					}
 				}

@@ -677,8 +677,6 @@ void parse_ai_profiles_tbl(const char *filename)

 				set_flag(profile, "$fix standard strafe:", AI::Profile_Flags::Fix_standard_strafe);

-				set_flag(profile, "$fix AI target recovery:", AI::Profile_Flags::Fix_ai_target_recovery);
-
 				set_flag(profile, "$standard strafe used more:", AI::Profile_Flags::Standard_strafe_used_more);

 				if (optional_string("$standard strafe triggers under this speed:")) {
@@ -693,14 +691,6 @@ void parse_ai_profiles_tbl(const char *filename)
 					stuff_float(&profile->strafe_max_unhit_time);
 				}

-				if (optional_string("$strafe retreat collide time:")) {
-					stuff_float(&profile->strafe_retreat_collide_time);
-				}
-
-				if (optional_string("$strafe retreat collide distance:")) {
-					stuff_float(&profile->strafe_retreat_collide_distance);
-				}
-
 				if (optional_string("$guard uses big-orbit for target radius above:")) {
 					stuff_float(&profile->guard_big_orbit_above_target_radius);
 				}
@@ -759,19 +749,6 @@ void parse_ai_profiles_tbl(const char *filename)

 				set_flag(profile, "$fix 'ignore if dead' flag:", AI::Profile_Flags::Fix_ignore_if_dead_flag);

-				set_flag(profile, "$no collision avoidance for kamikaze fighters:", AI::Profile_Flags::Kamikaze_no_collision_avoidance);
-
-				set_flag(profile, "$fix big ship waypoint completion:", AI::Profile_Flags::Fix_big_ship_waypoint_completion);
-
-				set_flag(profile, "$fix shockwave expiring before dealing damage:", AI::Profile_Flags::Fix_shockwave_expire_before_do_damage);
-
-				set_flag(profile, "$fix fighter/bomber AI recovers after engines repaired:", AI::Profile_Flags::Fix_small_ai_recover_after_engines_repaired);
-
-				set_flag(profile, "$fix subsystem path randomization on refresh:", AI::Profile_Flags::Fix_model_path_refresh_randomization);
-
-				set_flag(profile, "$fix fighterbay speed ramp:", AI::Profile_Flags::Fix_bay_speed_ramp);
-
-				set_flag(profile, "$fix stale AI order state:", AI::Profile_Flags::Fix_stale_ai_order_state);

 				// end of options ----------------------------------------

@@ -872,8 +849,6 @@ void ai_profile_t::reset()
 	standard_strafe_when_below_speed = 3.0f;
 	strafe_retreat_box_dist = 300.0f;
 	strafe_max_unhit_time = 20.0f;
-	strafe_retreat_collide_time = 2.0f;
-	strafe_retreat_collide_distance = 100.0f;

 	guard_big_orbit_above_target_radius = 500.0f;
 	guard_big_orbit_max_speed_percent = 1.0f;
@@ -1000,15 +975,4 @@ void ai_profile_t::reset()
 	if (mod_supports_version(26, 0, 0)) {
 		flags.set(AI::Profile_Flags::Fix_ignore_if_dead_flag);
 	}
-	if (mod_supports_version(26, 2, 0)) {
-		flags.set(AI::Profile_Flags::Kamikaze_no_collision_avoidance);
-		flags.set(AI::Profile_Flags::Fix_big_ship_waypoint_completion);
-		flags.set(AI::Profile_Flags::Fix_shockwave_expire_before_do_damage);
-		flags.set(AI::Profile_Flags::Fix_small_ai_recover_after_engines_repaired);
-		flags.set(AI::Profile_Flags::Fix_standard_strafe);
-		flags.set(AI::Profile_Flags::Fix_ai_target_recovery);
-		flags.set(AI::Profile_Flags::Fix_model_path_refresh_randomization);
-		flags.set(AI::Profile_Flags::Fix_bay_speed_ramp);
-		flags.set(AI::Profile_Flags::Fix_stale_ai_order_state);
-	}
 }
@@ -143,8 +143,6 @@ public:
 	float standard_strafe_when_below_speed; // Speed at which standard strafing large ships is possibly triggered
 	float strafe_retreat_box_dist;          // Distance beyond the bounding box to retreat to strafing point 
 	float strafe_max_unhit_time;            // Maximum amount of time to stay in strafe mode if not hit
-	float strafe_retreat_collide_time;		// When anticipated collision time is less than this, begin retreat from strafe
-	float strafe_retreat_collide_distance;	// When perpendicular distance to *surface* is less than this, begin retreat from strafe

 	// AI guard options  --wookieejedi
 	float guard_big_orbit_above_target_radius; // Radius of guardee that triggers ai_big_guard() 
@@ -163,7 +161,7 @@ extern int Num_ai_profiles;
 extern int Default_ai_profile;
 extern ai_profile_t Ai_profiles[MAX_AI_PROFILES];

-#define AI_PROFILES_INDEX(ai_p) (static_cast<int>((ai_p)-Ai_profiles))
+#define AI_PROFILES_INDEX(ai_p) ((int)((ai_p) - Ai_profiles))

 void ai_profiles_init();

@@ -40,6 +40,9 @@

 // AI BIG MAGIC NUMBERS
 // Select strafing options are now exposed to modders  --wookieejedi
+#define	STRAFE_RETREAT_COLLIDE_TIME	2.0		// when anticipated collision time is less than this, begin retreat
+#define	STRAFE_RETREAT_COLLIDE_DIST	100		// when perpendicular distance to *surface* is less than this, begin retreat
+
 #define	EVADE_BOX_BASE_DISTANCE			300		// standard distance to end evade submode
 #define	EVADE_BOX_MIN_DISTANCE			200		// minimun distance to end evade submode, after long time

@@ -66,16 +69,6 @@ static bool ai_big_strafe_maybe_retreat(const vec3d *target_pos);
 extern void compute_desired_rvec(vec3d *rvec, const vec3d *goal_pos, const vec3d *cur_pos);
 extern void big_ship_collide_recover_start(const object *objp, const object *big_objp, const vec3d *collision_normal);

-// Record the mode being left as the one to return to, unless a dynamic goal is already in progress
-// (in which case previous_mode still refers to the mode that goal interrupted).
-static void ai_big_save_previous_mode(ai_info *aip)
-{
-	if (The_mission.ai_profile->flags[AI::Profile_Flags::Fix_stale_ai_order_state] && aip->active_goal == AI_ACTIVE_GOAL_DYNAMIC)
-		return;
-
-	aip->previous_mode = aip->mode;
-}
-

 //	Called by ai_big_pick_attack_point.
 //	Generates a random attack point.
@@ -509,7 +502,7 @@ bool ai_big_maybe_follow_subsys_path(bool do_dot_check)
 					// for now, only follow the path to the first point
 					if ( aip->path_cur < (aip->path_start+aip->path_length-1) ) {
 						if ( aip->goal_objnum != aip->target_objnum ) {
-							ai_big_save_previous_mode(aip);
+							aip->previous_mode = aip->mode;
 							aip->mode = AIM_NONE;
 							aip->submode = -1;
 							aip->submode_start_time = Missiontime;
@@ -716,8 +709,7 @@ void ai_big_chase_attack(ai_info *aip, ship_info *sip, vec3d *enemy_pos, float d
 						if (vm_vec_dot(&in_vec, &objp->orient.vec.fvec) > 0.0f) {
 							dist = vm_vec_normalize(&in_vec);
 							if ((dist < 200.0f) && (vm_vec_dot(&in_vec, &objp->orient.vec.fvec) > 0.95f)) {
-								if ((Objects[objp->parent].signature == objp->parent_sig) && (vm_vec_dist_quick(&objp->pos, &Objects[objp->parent].pos) < 300.0f)
-									&& !ai_declines_pursuit(Pl_objp, &Objects[objp->parent])) {
+								if ((Objects[objp->parent].signature == objp->parent_sig) && (vm_vec_dist_quick(&objp->pos, &Objects[objp->parent].pos) < 300.0f)) {
 									set_target_objnum(aip, objp->parent);
 									aip->submode = SM_ATTACK;
 									aip->submode_start_time = Missiontime;
@@ -738,7 +730,7 @@ void ai_big_chase_attack(ai_info *aip, ship_info *sip, vec3d *enemy_pos, float d
 		// including ai_profile flag and if enemy fighters are near
 		if (Pl_objp->phys_info.speed < The_mission.ai_profile->standard_strafe_when_below_speed && 
 			(The_mission.ai_profile->flags[AI::Profile_Flags::Standard_strafe_used_more] || ai_big_maybe_start_strafe(aip, sip))) {
-			ai_big_save_previous_mode(aip);
+			aip->previous_mode = aip->mode;
 			aip->mode = AIM_STRAFE;
 			aip->submode_parm0 = Missiontime;	// use parm0 as time strafe mode entered (i.e. MODE start time)
 			ai_big_strafe_position();
@@ -747,7 +739,7 @@ void ai_big_chase_attack(ai_info *aip, ship_info *sip, vec3d *enemy_pos, float d

 		//Maybe enter glide strafe (check every 8 seconds, on a different schedule for each ship)
 		if ((sip->can_glide == true) && !(aip->ai_flags[AI::AI_Flags::Kamikaze]) && static_randf((Missiontime + static_rand(aip->shipnum)) >> 19) < aip->ai_glide_strafe_percent) {
-			ai_big_save_previous_mode(aip);
+			aip->previous_mode = aip->mode;
 			aip->mode = AIM_STRAFE;
 			aip->submode_parm0 = Missiontime;	// use parm0 as time strafe mode entered (i.e. MODE start time)
 			aip->submode = AIS_STRAFE_GLIDE_ATTACK;
@@ -1019,7 +1011,7 @@ static void ai_big_maybe_fire_weapons(float dist_to_enemy, float dot_to_enemy)
 // switch ai ship into chase mode
 void ai_big_switch_to_chase_mode(ai_info *aip)
 {
-	ai_big_save_previous_mode(aip);
+	aip->previous_mode = aip->mode;
 	aip->mode = AIM_CHASE;
 	aip->submode = SM_ATTACK;
 	aip->submode_start_time = Missiontime;
@@ -1119,7 +1111,7 @@ void ai_big_chase()
 	} else if (En_objp->flags[Object::Object_Flags::Protected]) {	//	If protected and we're not attacking a subsystem, stop attacking!
 		update_aspect_lock_information(aip, &vec_to_enemy, dist_to_enemy - En_objp->radius, En_objp->radius);
 		aip->target_objnum = -1;
-		if (find_enemy(OBJ_INDEX(Pl_objp), MAX_ENEMY_DISTANCE, The_mission.ai_profile->max_attackers[Game_skill_level], ai_targets_for_pursuit(aip)) == -1) {
+		if (find_enemy(OBJ_INDEX(Pl_objp), MAX_ENEMY_DISTANCE, The_mission.ai_profile->max_attackers[Game_skill_level]) == -1) {
 			ai_do_default_behavior(Pl_objp);
 			return;
 		}
@@ -1206,78 +1198,70 @@ void ai_big_chase()
 		}

 		//	If a collision is expected, pull out!
-		if (!(The_mission.ai_profile->flags[AI::Profile_Flags::Kamikaze_no_collision_avoidance] && aip->ai_flags[AI::AI_Flags::Kamikaze])) {
+		float dist_normal_to_enemy;

-			float dist_normal_to_enemy;
-
-			if (vm_vec_mag_squared(&aip->big_attack_surface_normal) > 0.9) {
-				if (aip->ai_profile_flags[AI::Profile_Flags::Improved_subsystem_attack_pathing])
-					dist_normal_to_enemy = fl_abs((dist_to_enemy / vm_vec_dot(&vec_to_enemy, &aip->big_attack_surface_normal)));
-				else // I'm fairly sure this retail code VVV meant to use / instead of * 
-					dist_normal_to_enemy = fl_abs((dist_to_enemy * vm_vec_dot(&vec_to_enemy, &aip->big_attack_surface_normal)));
-			}
-			else {
-				// don;t have normal so use a conservative value here
-				dist_normal_to_enemy = 0.3f * dist_to_enemy;
-			}
-
-			//		float time_to_enemy = dist_normal_to_enemy / Pl_objp->phys_info.speed * fl_abs(vm_vec_dot(&Pl_objp->phys_info.vel, &aip->big_attack_surface_normal));
-			//		if (Framecount % 30 == 1) {
-			//			mprintf(("normal dist; %.1f, time: %.1f\n", dist_normal_to_enemy, time_to_enemy));
-			//		}
-
-					// since we're not in strafe and we may get a bad normal, cap dist_normal_to_enemy as MIN(0.3*dist_to_enemy, self)
-					// this will allow us to get closer on a bad normal
-			dist_normal_to_enemy = MAX(0.3f * dist_to_enemy, dist_normal_to_enemy);
-
-			if (dist_to_enemy < ATTACK_COLLIDE_BASE_DIST) {
-				// within 50m or 1sec
-				float time_to_enemy;
-				if (vm_vec_mag_squared(&aip->big_attack_surface_normal) > 0.9) {
-					if (Pl_objp->phys_info.speed > 0.1) {
-						time_to_enemy = dist_normal_to_enemy / fl_abs(vm_vec_dot(&Pl_objp->phys_info.vel, &aip->big_attack_surface_normal));
-					}
-					else {
-						// a big time
-						time_to_enemy = 100.0f;
-					}
-				}
-				else {
-					if (Pl_objp->phys_info.speed > 0.1) {
-						time_to_enemy = dist_normal_to_enemy / Pl_objp->phys_info.speed;
-					}
-					else {
-						// a big time
-						time_to_enemy = 100.0f;
-					}
-				}
-
-				float speed_dist = MAX(0.0f, (Pl_objp->phys_info.speed - 50) * 2);
-				if ((dist_normal_to_enemy < ATTACK_COLLIDE_AVOID_DIST + speed_dist) || (time_to_enemy < ATTACK_COLLIDE_AVOID_TIME)) {
-					// get away, simulate crsh recovery (don't use avoid)
-	//				accelerate_ship(aip, -1.0f);
-					big_ship_collide_recover_start(Pl_objp, En_objp, nullptr);
-					//				aip->submode = SM_AVOID;
-					//				aip->submode_start_time = Missiontime;
-				}
-				else if ((dist_normal_to_enemy < ATTACK_COLLIDE_SLOW_DIST) || (time_to_enemy < ATTACK_COLLIDE_SLOW_TIME)) {
-					// slow down
-					accelerate_ship(aip, -1.0f);
-				}
-			}
-
-			/*
-			if ((dot_to_enemy > 1.0f - 0.1f * En_objp->radius/(dist_to_enemy + 1.0f)) && (Pl_objp->phys_info.speed > dist_to_enemy/5.0f)) {
-				if (might_collide_with_ship(Pl_objp, En_objp, dot_to_enemy, dist_to_enemy, (aip->targeted_subsys == NULL)*2.0f + 1.5f)) {
-					if ((Missiontime - aip->last_hit_time > F1_0*4) && (dist_to_enemy < Pl_objp->radius*2 + En_objp->radius*2)) {
-						accelerate_ship(aip, -1.0f);
-					} else {
-						aip->submode = SM_AVOID;
-						aip->submode_start_time = Missiontime;
-					}
-				}
-			} */
+		if (vm_vec_mag_squared(&aip->big_attack_surface_normal) > 0.9) {
+			if (aip->ai_profile_flags[AI::Profile_Flags::Improved_subsystem_attack_pathing])
+				dist_normal_to_enemy = fl_abs((dist_to_enemy / vm_vec_dot(&vec_to_enemy, &aip->big_attack_surface_normal)));
+			else // I'm fairly sure this retail code VVV meant to use / instead of * 
+				dist_normal_to_enemy = fl_abs((dist_to_enemy * vm_vec_dot(&vec_to_enemy, &aip->big_attack_surface_normal)));
+		} else {
+			// don;t have normal so use a conservative value here
+			dist_normal_to_enemy = 0.3f * dist_to_enemy;
 		}
+
+//		float time_to_enemy = dist_normal_to_enemy / Pl_objp->phys_info.speed * fl_abs(vm_vec_dot(&Pl_objp->phys_info.vel, &aip->big_attack_surface_normal));
+//		if (Framecount % 30 == 1) {
+//			mprintf(("normal dist; %.1f, time: %.1f\n", dist_normal_to_enemy, time_to_enemy));
+//		}
+		
+		// since we're not in strafe and we may get a bad normal, cap dist_normal_to_enemy as MIN(0.3*dist_to_enemy, self)
+		// this will allow us to get closer on a bad normal
+		dist_normal_to_enemy = MAX(0.3f*dist_to_enemy, dist_normal_to_enemy);
+
+		if (dist_to_enemy < ATTACK_COLLIDE_BASE_DIST) {
+			// within 50m or 1sec
+			float time_to_enemy;
+			if (vm_vec_mag_squared(&aip->big_attack_surface_normal) > 0.9) {
+				if (Pl_objp->phys_info.speed > 0.1) {
+					time_to_enemy = dist_normal_to_enemy / fl_abs(vm_vec_dot(&Pl_objp->phys_info.vel, &aip->big_attack_surface_normal));
+				} else {
+					// a big time
+					time_to_enemy = 100.0f;
+				}
+			} else {
+				if (Pl_objp->phys_info.speed > 0.1) {
+					time_to_enemy = dist_normal_to_enemy / Pl_objp->phys_info.speed;
+				} else {
+					// a big time
+					time_to_enemy = 100.0f;
+				}
+			}
+
+			float speed_dist = MAX(0.0f, (Pl_objp->phys_info.speed-50) * 2);
+			if ((dist_normal_to_enemy < ATTACK_COLLIDE_AVOID_DIST + speed_dist) || (time_to_enemy < ATTACK_COLLIDE_AVOID_TIME) ) {
+				// get away, simulate crsh recovery (don't use avoid)
+//				accelerate_ship(aip, -1.0f);
+				big_ship_collide_recover_start(Pl_objp, En_objp, nullptr);
+//				aip->submode = SM_AVOID;
+//				aip->submode_start_time = Missiontime;
+			} else if ((dist_normal_to_enemy < ATTACK_COLLIDE_SLOW_DIST) || (time_to_enemy < ATTACK_COLLIDE_SLOW_TIME) ) {
+				// slow down
+				accelerate_ship(aip, -1.0f);
+			}
+		}
+
+		/*
+		if ((dot_to_enemy > 1.0f - 0.1f * En_objp->radius/(dist_to_enemy + 1.0f)) && (Pl_objp->phys_info.speed > dist_to_enemy/5.0f)) {
+			if (might_collide_with_ship(Pl_objp, En_objp, dot_to_enemy, dist_to_enemy, (aip->targeted_subsys == NULL)*2.0f + 1.5f)) {
+				if ((Missiontime - aip->last_hit_time > F1_0*4) && (dist_to_enemy < Pl_objp->radius*2 + En_objp->radius*2)) {
+					accelerate_ship(aip, -1.0f);
+				} else {
+					aip->submode = SM_AVOID;
+					aip->submode_start_time = Missiontime;
+				}
+			}
+		} */
 	}

 	switch (aip->submode) {
@@ -1460,8 +1444,8 @@ static bool ai_big_strafe_maybe_retreat(const vec3d *target_pos)
 			collide_time = false;
 			collide_distance = false;
 		} else {
-			collide_time = (Pl_objp->phys_info.speed > 0.0f) && (dist_to_target / Pl_objp->phys_info.speed) < (The_mission.ai_profile->strafe_retreat_collide_time);
-			collide_distance = dist_to_target < ((The_mission.ai_profile->strafe_retreat_collide_distance) + speed_to_dist_penalty);
+			collide_time = (dist_to_target / Pl_objp->phys_info.speed) < STRAFE_RETREAT_COLLIDE_TIME;
+			collide_distance = dist_to_target < (STRAFE_RETREAT_COLLIDE_DIST + speed_to_dist_penalty);
 		}
 	} else {
 		float dist_normal_to_target;
@@ -1471,8 +1455,8 @@ static bool ai_big_strafe_maybe_retreat(const vec3d *target_pos)
 		} else {
 			dist_normal_to_target = 0.2f * dist_to_target;
 		}
-		collide_time = (Pl_objp->phys_info.speed > 0.0f) && (dist_normal_to_target / Pl_objp->phys_info.speed) < (The_mission.ai_profile->strafe_retreat_collide_time);
-		collide_distance = dist_normal_to_target < ((The_mission.ai_profile->strafe_retreat_collide_distance) + speed_to_dist_penalty);
+		collide_time = (dist_normal_to_target / Pl_objp->phys_info.speed) < STRAFE_RETREAT_COLLIDE_TIME;
+		collide_distance = dist_normal_to_target < (STRAFE_RETREAT_COLLIDE_DIST + speed_to_dist_penalty);
 	}

 	//if ((dot_to_enemy > 1.0f - 0.1f * En_objp->radius/(dist_to_enemy + 1.0f)) && (Pl_objp->phys_info.speed > dist_to_enemy/5.0f))
@@ -1878,7 +1862,7 @@ void ai_big_strafe()

 /*
 	if ( aip->goal_objnum != aip->target_objnum ) {
-		Assertion(false, "The goal objnum does not match the target objnum in ai_big_strafe(), please report to the SCP!");	// what is going on here? - Get Alan
+		UNREACHABLE("The goal objnum does not match the target objnum in ai_big_strafe(), please report to the SCP!");	// what is going on here? - Get Alan
 		aip->mode = AIM_NONE;
 		return;
 	}
@@ -1979,25 +1963,26 @@ int ai_big_maybe_enter_strafe_mode(const object *pl_objp, int weapon_objnum)
 		return 0;
 	}

-	if (ai_declines_pursuit(pl_objp, parent_objp)) {
-		return 0;
-	}
-
 	// Maybe the ship which fired the weapon isn't the current target
 	if ( OBJ_INDEX(parent_objp) != aip->target_objnum ) {
+
+//JAS IMPOSSIBLE		if (1) { // consider_target_only ) {
+//JAS IMPOSSIBLE			return 0;
+//JAS IMPOSSIBLE		} else {
 			// switch targets
 			sip = &Ship_info[Ships[parent_objp->instance].ship_info_index];
 			if ( !(sip->is_big_or_huge()) || (sip->flags[Ship::Info_Flags::Transport]) ) {
 				return 0;
 			}
 			set_target_objnum(aip, OBJ_INDEX(parent_objp));
+//JAS IMPOSSIBLE		}
 	}

 	ai_big_strafe_maybe_attack_turret(pl_objp, weapon_objp);

 	// if we've got this far, the weapon must have come from the player's target, and it is a 
 	// big/capital ship... so enter strafe mode
-	ai_big_save_previous_mode(aip);
+	aip->previous_mode = aip->mode;
 	aip->mode = AIM_STRAFE;
 	aip->submode_parm0 = Missiontime;	// use parm0 as time strafe mode entered (i.e. MODE start time)
 	aip->submode = AIS_STRAFE_AVOID;
@@ -911,24 +911,7 @@ void ai_add_goal_sub_scripting(ai_goal_type type, ai_goal_mode mode, int submode
 	}
 }

-// find a dockpoint on the given ship that is compatible with the specified dock-type flags (c.f. ai_goal_fixup_dockpoints)
-static int ai_goal_find_compatible_dockpoint(int shipnum, int type_flags)
-{
-	for (int i = 0; i < Num_dock_type_names; i++)
-	{
-		if (type_flags & Dock_type_names[i].def)
-		{
-			int dock_index = ai_goal_find_dockpoint(shipnum, Dock_type_names[i].def);
-			if (dock_index >= 0)
-				return dock_index;
-		}
-	}
-
-	// no compatible type-specific point found; fall back to a generic one
-	return ai_goal_find_dockpoint(shipnum, DOCK_TYPE_GENERIC);
-}
-
-void ai_add_ship_goal_scripting(ai_goal_mode mode, int submode, int priority, const char *shipname, ai_info *aip, int int_data, float float_data, int docker_index, int dockee_index)
+void ai_add_ship_goal_scripting(ai_goal_mode mode, int submode, int priority, const char *shipname, ai_info *aip, int int_data, float float_data)
 {
 	int empty_index;
 	ai_goal *aigp;
@@ -944,27 +927,7 @@ void ai_add_ship_goal_scripting(ai_goal_mode mode, int submode, int priority, co
 	}

 	if ( (mode == AI_GOAL_REARM_REPAIR) || (mode == AI_GOAL_DOCK) ) {
-		// if the caller specified one or both dockpoints, honor them and choose the other side to match
-		if ( mode == AI_GOAL_DOCK && (docker_index >= 0 || dockee_index >= 0) ) {
-			int dockee_shipnum = ship_name_lookup(shipname);
-			Assertion(dockee_shipnum >= 0, "Couldn't find dock target '%s'; get a coder!", shipname);
-
-			// if only one point was given, choose the other to match its dock type
-			if ( docker_index < 0 ) {
-				polymodel *dockee_pm = model_get(Ship_info[Ships[dockee_shipnum].ship_info_index].model_num);
-				docker_index = ai_goal_find_compatible_dockpoint(aip->shipnum, dockee_pm->docking_bays[dockee_index].type_flags);
-			} else if ( dockee_index < 0 ) {
-				polymodel *docker_pm = model_get(Ship_info[Ships[aip->shipnum].ship_info_index].model_num);
-				dockee_index = ai_goal_find_compatible_dockpoint(dockee_shipnum, docker_pm->docking_bays[docker_index].type_flags);
-			}
-
-			aigp->docker.index = docker_index;
-			aigp->dockee.index = dockee_index;
-			aigp->flags.set(AI::Goal_Flags::Docker_index_valid);
-			aigp->flags.set(AI::Goal_Flags::Dockee_index_valid);
-		} else {
-			ai_goal_fixup_dockpoints( aip, aigp );
-		}
+		ai_goal_fixup_dockpoints( aip, aigp );
 	}
 }

@@ -1290,7 +1253,7 @@ void ai_add_goal_sub_sexp( int sexp, ai_goal_type type, ai_info *aip, ai_goal *a
 		} else if ( op == OP_AI_IGNORE_NEW ) {
 			aigp->ai_mode = AI_GOAL_IGNORE_NEW;
 		} else
-			UNREACHABLE("Coding error: unhandled AI goal %d in ai_add_goal_sub_sexp!", op);
+			UNREACHABLE("Coding error: unhandled AI goal in ai_add_goal_sub_sexp!");

 		break;

@@ -1803,20 +1766,6 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )

 	auto target_ship_entry = aigp->target_name == nullptr ? nullptr : ship_registry_get(aigp->target_name);

-	// a ship can't guard itself, and the leader of a wing is the ship the rest of the wing guards
-	if (The_mission.ai_profile->flags[AI::Profile_Flags::Fix_stale_ai_order_state])
-	{
-		if (aigp->ai_mode == AI_GOAL_GUARD && target_ship_entry && target_ship_entry->has_shipp() && target_ship_entry->shipp() == shipp)
-			return ai_achievability::NOT_ACHIEVABLE;
-
-		if (aigp->ai_mode == AI_GOAL_GUARD_WING)
-		{
-			int wingnum = wing_name_lookup(aigp->target_name);
-			if (wingnum >= 0 && Wings[wingnum].ship_index[0] == objp->instance)
-				return ai_achievability::NOT_ACHIEVABLE;
-		}
-	}
-
 	// warp (depart) only achievable if there's somewhere to depart to
 	if (aigp->ai_mode == AI_GOAL_WARP)
 	{
@@ -2107,7 +2056,7 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )
 			if (target_ship_entry->shipp()->subsys_info[SUBSYSTEM_TURRET].type_count == 0)
 				return ai_achievability::NOT_ACHIEVABLE;
 		} else {
-			Assertion(false, "Target name %s is not an arrived ship!", aigp->target_name);
+			UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 			return ai_achievability::NOT_ACHIEVABLE;			// force this goal to be invalid
 		}
 	}
@@ -2156,8 +2105,8 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )
 			return ai_achievability::NOT_KNOWN;

 		// we must also determine if we're prevented from docking for any reason
-		Assertion(target_ship_entry && target_ship_entry->has_shipp(), "Target name %s is not an arrived ship!", aigp->target_name);
 		if (!target_ship_entry || !target_ship_entry->has_shipp()) {
+			UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 			return ai_achievability::NOT_ACHIEVABLE;			// force this goal to be invalid
 		}
 		auto goal_objp = target_ship_entry->objp();
@@ -2214,7 +2163,7 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )
 				if (aip->goal_objnum != target_ship_entry->objnum)
 					return ai_achievability::NOT_KNOWN;
 			} else {
-				Assertion(false, "Target name %s is not an arrived ship!", aigp->target_name);
+				UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 				return ai_achievability::NOT_ACHIEVABLE;			// force this goal to be invalid
 			}
 		}
@@ -2228,14 +2177,14 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )
 				aigp->ai_submode = ship_find_subsys( target_ship_entry->shipp(), aigp->docker.name );
 				aigp->flags.remove(AI::Goal_Flags::Subsys_needs_fixup);
 			} else {
-				Assertion(false, "Target name %s is not an arrived ship!", aigp->target_name);
+				UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 				return ai_achievability::NOT_ACHIEVABLE;			// force this goal to be invalid
 			}
 		}
 	} else if ( ((aigp->ai_mode == AI_GOAL_IGNORE) || (aigp->ai_mode == AI_GOAL_IGNORE_NEW)) && (status == SHIP_STATUS_ARRIVED) ) {
 		// for ignoring a ship, call the ai_ignore object function, then declare the goal satisfied
-		Assertion(target_ship_entry && target_ship_entry->has_objp(), "Target name %s is not an arrived ship!", aigp->target_name);
 		if (!target_ship_entry || !target_ship_entry->has_objp()) {
+			UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 			return ai_achievability::NOT_ACHIEVABLE;			// force this goal to be invalid
 		}
 		auto ignored = target_ship_entry->objp();
@@ -2284,16 +2233,16 @@ ai_achievability ai_mission_goal_achievable( int objnum, ai_goal *aigp )
 		{
 			// short circuit a couple of cases.  Ship not arrived shouldn't happen.  Ship gone means
 			// we mark the goal as not achievable.
-			Assertion(status != SHIP_STATUS_NOT_ARRIVED, "Ship %s cannot rearm a target %s that hasn't arrived; get Allender or a SCP member", shipp->ship_name, aigp->target_name);	// get Allender.  this shouldn't happen!!!
 			if ( status == SHIP_STATUS_NOT_ARRIVED ) {
+				UNREACHABLE("Ship %s cannot rearm a target %s that hasn't arrived; get Allender or a SCP member", shipp->ship_name, aigp->target_name);	// get Allender.  this shouldn't happen!!!
 				return ai_achievability::NOT_ACHIEVABLE;
 			}

 			if ( status == SHIP_STATUS_GONE )
 				return ai_achievability::NOT_ACHIEVABLE;

-			Assertion(target_ship_entry && target_ship_entry->has_shipp(), "Target name %s is not an arrived ship!", aigp->target_name);
 			if ( !target_ship_entry || !target_ship_entry->has_shipp() ) {
+				UNREACHABLE("Target name %s is not an arrived ship!", aigp->target_name);
 				return ai_achievability::NOT_ACHIEVABLE;
 			}

@@ -2549,9 +2498,8 @@ void ai_process_mission_orders( int objnum, ai_info *aip )
 	if ( !(Player_use_ai) && (objp->flags[Object::Object_Flags::Player_ship]) && (current_goal->ai_mode != AI_GOAL_FORM_ON_WING) )
 	{
 		return;
-	}
+	}	

-	ai_reset_order_state(aip);

 	std::unique_ptr<ai_goal> current_goal_backup;
 	auto current_goal_target_ship = current_goal->target_name ? ship_registry_get(current_goal->target_name) : nullptr;
@@ -106,10 +106,6 @@ inline bool ai_goal_is_specific_chase(ai_goal_mode ai_mode)
 {
 	return ai_mode == AI_GOAL_CHASE || ai_mode == AI_GOAL_CHASE_WING || ai_mode == AI_GOAL_CHASE_SHIP_CLASS || ai_mode == AI_GOAL_CHASE_SHIP_TYPE;
 }
-inline bool ai_goal_is_standing_chase(ai_goal_mode ai_mode)
-{
-	return ai_mode == AI_GOAL_CHASE_ANY;
-}

 enum class ai_achievability { ACHIEVABLE, NOT_ACHIEVABLE, NOT_KNOWN, SATISFIED };

@@ -183,7 +179,7 @@ extern void ai_process_mission_orders( int objnum, ai_info *aip );
 extern int ai_goal_num(ai_goal *goals);

 // adds goals to ships/wing through sexpressions
-extern void ai_add_ship_goal_scripting(ai_goal_mode mode, int submode, int priority, const char *shipname, ai_info *aip, int int_data, float float_data, int docker_index = -1, int dockee_index = -1);
+extern void ai_add_ship_goal_scripting(ai_goal_mode mode, int submode, int priority, const char *shipname, ai_info *aip, int int_data, float float_data);
 extern void ai_add_ship_goal_sexp(int sexp, ai_goal_type type, ai_info *aip);
 extern void ai_add_wing_goal_sexp(int sexp, ai_goal_type type, wing *wingp);
 extern void ai_add_goal_sub_sexp(int sexp, ai_goal_type type, ai_info *aip, ai_goal *aigp, const char *actor_name);
@@ -350,18 +350,6 @@ const weapon_info *get_turret_weapon_wip(const ship_weapon *swp, int weapon_num)
 		return &Weapon_info[wi_index];
 }

-// similar to the above, since "weapon_num" is a bank index over multiple banks
-static std::pair<int, int> get_turret_weapon_bank(int weapon_num)
-{
-	int pbank = -1;
-	int sbank = -1;
-	if (weapon_num >= MAX_SHIP_PRIMARY_BANKS)
-		sbank = weapon_num - MAX_SHIP_PRIMARY_BANKS;
-	else
-		pbank = weapon_num;
-	return { pbank, sbank };
-}
-
 int get_turret_weapon_next_fire_stamp(const ship_weapon *swp, int weapon_num)
 {
 	Assert(weapon_num < MAX_SHIP_WEAPONS);
@@ -1107,8 +1095,7 @@ int find_turret_enemy(const ship_subsys *turret_subsys, int objnum, const vec3d
 		int target_objnum = aip->target_objnum;

 		if (Objects[target_objnum].signature == aip->target_signature) {
-			// The parent's target can be a weapon or an asteroid, so make sure it's a ship before indexing Ships[]
-			ship* target_shipp = (Objects[target_objnum].type == OBJ_SHIP) ? &Ships[Objects[target_objnum].instance] : nullptr;
+			ship* target_shipp = &Ships[Objects[target_objnum].instance];
 			if (target_shipp && iff_matches_mask(target_shipp->team, enemy_team_mask)) {
 				if (!(Objects[target_objnum].flags[Object::Object_Flags::Protected])) { // check this flag as well
 					// nprintf(("AI", "Frame %i: Object %i resuming goal of object %i\n", AI_FrameCount, objnum,
@@ -1741,7 +1728,6 @@ bool turret_fire_weapon(int weapon_num,
 	auto wip = get_turret_weapon_wip(&turret->weapons, weapon_num);
 	if (!wip)
 		return false;
-	auto [turret_pbank, turret_sbank] = get_turret_weapon_bank(weapon_num);

 	bool in_lab = (gameseq_get_state() == GS_STATE_LAB);

@@ -1768,7 +1754,7 @@ bool turret_fire_weapon(int weapon_num,

 	parent_aip = &Ai_info[Ships[Objects[parent_objnum].instance].ai_index];
 	parent_ship = &Ships[Objects[parent_objnum].instance];
-	int turret_weapon_class = WEAPON_INFO_INDEX(wip);
+	int turret_weapon_class = weapon_info_get_index(wip);

 #ifndef NDEBUG
 	// moved here from check_ok_to_fire
@@ -1852,7 +1838,6 @@ bool turret_fire_weapon(int weapon_num,
 				else
 					fire_info.target_subsys = nullptr;
 				fire_info.turret = turret;
-				fire_info.bank = turret_pbank;
 				fire_info.burst_seed = old_burst_seed;
 				fire_info.fire_method = BFM_TURRET_FIRED;
 				fire_info.per_burst_rotation = swp->per_burst_rot;
@@ -1865,6 +1850,7 @@ bool turret_fire_weapon(int weapon_num,
 					fire_info.target_pos1 = turret->last_aim_enemy_pos;
 				}

+
 				// fire a beam weapon
 				weapon_objnum = beam_fire(&fire_info);

@@ -1890,53 +1876,113 @@ bool turret_fire_weapon(int weapon_num,
 		}
 		// don't fire swam, but set up swarm info instead
 		else if ((wip->wi_flags[Weapon::Info_Flags::Swarm]) || (wip->wi_flags[Weapon::Info_Flags::Corkscrew])) {
-			// swarm and corkscrew are not restricted to missiles, so check whichever bank is actually firing
-			if (!in_lab && (turret->system_info->flags[Model::Subsystem_Flags::Turret_use_ammo])) {
-				bool has_ammo = (turret_pbank >= 0)
-					? swp->primary_bank_ammo[turret_pbank] > 0
-					: ship_secondary_has_ammo(swp, turret_sbank);
-				if (!has_ammo)
-					return false;
+			if (swp->current_secondary_bank < 0) {
+				swp->current_secondary_bank = 0;
 			}
+			int bank_to_fire = swp->current_secondary_bank;
+			if (!in_lab && (turret->system_info->flags[Model::Subsystem_Flags::Turret_use_ammo]) && !ship_secondary_has_ammo(swp, bank_to_fire)) {
+				if (!(turret->system_info->flags[Model::Subsystem_Flags::Use_multiple_guns])) {
+					swp->current_secondary_bank++;
+					if (swp->current_secondary_bank >= swp->num_secondary_banks) {
+						swp->current_secondary_bank = 0;
+					}
+					return false;
+				} else {
+					return false;
+				}
+			} else {
+				turret_swarm_set_up_info(parent_objnum, turret, wip, turret->turret_next_fire_pos, in_lab);

-			turret_swarm_set_up_info(parent_objnum, turret, wip, turret->turret_next_fire_pos, turret_pbank, turret_sbank, in_lab);
-			turret->flags.set(Ship::Subsystem_Flags::Has_fired);	//set fired flag for scripting -nike
-			return true;
+				turret->flags.set(Ship::Subsystem_Flags::Has_fired);	//set fired flag for scripting -nike
+				return true;
+			}
 		}
 		// now do anything else
 		else {
 			float shots_mult = wip->weapon_launch_curves.get_output(weapon_info::WeaponLaunchCurveOutputs::SHOTS_MULT, launch_curve_data);
 			int shots = fl2i(i2fl(wip->shots) * shots_mult);
-
-			// note that wip is reassigned to the created weapon's class inside the loop, so any
-			// property of the bank's own weapon must be read before we get there
-			bool no_ammo_needed = (turret_sbank >= 0) && Weapon_info[swp->secondary_bank_weapons[turret_sbank]].wi_flags[Weapon::Info_Flags::SecondaryNoAmmo];
 			for (int i = 0; i < shots; i++) {
 				if (!in_lab && turret->system_info->flags[Model::Subsystem_Flags::Turret_use_ammo]) {
-					if (turret_pbank >= 0) {
+					int bank_to_fire, num_slots = turret->system_info->turret_num_firing_points;
+					if (wip->subtype == WP_LASER) {
 						int points;
+						if (swp->num_primary_banks <= 0) {
+							return false;
+						}
+
+						if (swp->current_primary_bank < 0){
+							swp->current_primary_bank = 0;
+							return false;
+						}
+
+						int	num_primary_banks = swp->num_primary_banks;
+
+						Assert(num_primary_banks > 0);
+						if (num_primary_banks < 1){
+							return false;
+						}
+
+						bank_to_fire = swp->current_primary_bank;
+
 						if (turret->system_info->flags[Model::Subsystem_Flags::Turret_salvo]) {
-							points = turret->system_info->turret_num_firing_points;
+							points = num_slots;
 						} else {
 							points = 1;
 						}

-						if (swp->primary_bank_ammo[turret_pbank] >= points) {
-							swp->primary_bank_ammo[turret_pbank] -= points;
-						} else if ((swp->primary_bank_ammo[turret_pbank] >= 0) && !(The_mission.ai_profile->flags[AI::Profile_Flags::Prevent_negative_turret_ammo])) {
+						if (swp->primary_bank_ammo[bank_to_fire] >= points) {
+							swp->primary_bank_ammo[bank_to_fire] -= points;
+						} else if ((swp->primary_bank_ammo[bank_to_fire] >= 0) && !(The_mission.ai_profile->flags[AI::Profile_Flags::Prevent_negative_turret_ammo])) {
 							// default behavior allowed ammo to be negative
-							swp->primary_bank_ammo[turret_pbank] -= points;
+							swp->primary_bank_ammo[bank_to_fire] -= points;
+						} else if (!(turret->system_info->flags[Model::Subsystem_Flags::Use_multiple_guns]) && (swp->primary_bank_ammo[bank_to_fire] < 0)) {
+							swp->current_primary_bank++;
+							if (swp->current_primary_bank >= swp->num_primary_banks) {
+								swp->current_primary_bank = 0;
+							}
+							return false;
 						} else {
 							return false;
 						}
 					}
-					else if (turret_sbank >= 0) {
-						if (!no_ammo_needed) {
-							if (swp->secondary_bank_ammo[turret_sbank] > 0) {
-								swp->secondary_bank_ammo[turret_sbank]--;
-							} else if ((swp->secondary_bank_ammo[turret_sbank] == 0) && !(The_mission.ai_profile->flags[AI::Profile_Flags::Prevent_negative_turret_ammo])) {
+					else if (wip->subtype == WP_MISSILE) {
+						if (swp->num_secondary_banks <= 0) {
+							return false;
+						}
+
+						if (swp->current_secondary_bank < 0){
+							swp->current_secondary_bank = 0;
+							return false;
+						}
+
+						bank_to_fire = swp->current_secondary_bank;
+
+						int start_slot, end_slot;
+
+						start_slot = swp->secondary_next_slot[bank_to_fire];
+						end_slot = start_slot;
+
+						for (int j = start_slot; j <= end_slot; j++) {
+							swp->secondary_next_slot[bank_to_fire]++;
+
+							if (Weapon_info[swp->secondary_bank_weapons[bank_to_fire]].wi_flags[Weapon::Info_Flags::SecondaryNoAmmo])
+								continue;
+
+							if (swp->secondary_next_slot[bank_to_fire] > (num_slots - 1)){
+								swp->secondary_next_slot[bank_to_fire] = 0;
+							}
+
+							if (swp->secondary_bank_ammo[bank_to_fire] > 0) {
+								swp->secondary_bank_ammo[bank_to_fire]--;
+							} else if ((swp->secondary_bank_ammo[bank_to_fire] == 0) && !(The_mission.ai_profile->flags[AI::Profile_Flags::Prevent_negative_turret_ammo])) {
 								// default behavior allowed ammo to be negative
-								swp->secondary_bank_ammo[turret_sbank]--;
+								swp->secondary_bank_ammo[bank_to_fire]--;
+							} else if (!(turret->system_info->flags[Model::Subsystem_Flags::Use_multiple_guns]) && (swp->secondary_bank_ammo[bank_to_fire] < 0)) {
+								swp->current_secondary_bank++;
+								if (swp->current_secondary_bank >= swp->num_secondary_banks) {
+									swp->current_secondary_bank = 0;
+								}
+								return false;
 							} else {
 								return false;
 							}
@@ -1951,7 +1997,7 @@ bool turret_fire_weapon(int weapon_num,
 				// so we need to get the position info separately for each shot
 				ship_get_global_turret_gun_info(&Objects[parent_objnum], turret, &firing_pos_buf, false, nullptr, true, nullptr);

-				weapon_objnum = weapon_create(firing_pos, &firing_orient, turret_weapon_class, parent_objnum, -1, true, false, swp, turret_pbank, turret_sbank, launch_curve_data);
+				weapon_objnum = weapon_create(firing_pos, &firing_orient, turret_weapon_class, parent_objnum, -1, true, false, 0.0f, turret, launch_curve_data);
 				weapon_set_tracking_info(weapon_objnum, parent_objnum, turret->turret_enemy_objnum, 1, turret->targeted_subsys);		
 			
 				//nprintf(("AI", "Turret_time_enemy_in_range = %7.3f\n", ss->turret_time_enemy_in_range));		
@@ -2015,9 +2061,9 @@ bool turret_fire_weapon(int weapon_num,
 						subsys_index = ship_get_subsys_index(turret);
 						Assert( subsys_index != -1 );
 						if(wip->wi_flags[Weapon::Info_Flags::Flak]){			
-							send_flak_fired_packet( parent_objnum, subsys_index, weapon_objnum, flak_range, launch_curve_data.distance_to_target, launch_curve_data.target_radius, launch_curve_data.target_forward_speed );
+							send_flak_fired_packet( parent_objnum, subsys_index, weapon_objnum, flak_range, launch_curve_data.distance_to_target, launch_curve_data.target_radius );
 						} else {
-							send_turret_fired_packet( parent_objnum, subsys_index, weapon_objnum, launch_curve_data.distance_to_target, launch_curve_data.target_radius, launch_curve_data.target_forward_speed );
+							send_turret_fired_packet( parent_objnum, subsys_index, weapon_objnum, launch_curve_data.distance_to_target, launch_curve_data.target_radius );
 						}
 					}

@@ -2091,11 +2137,10 @@ void turret_swarm_fire_from_turret(turret_swarm_info *tsi)
 		tsi->turret->system_info->turret_num_firing_points,
 		0.f,
 		0.f,
-		0.f,
 	};

 	// create weapon and homing info
-	weapon_objnum = weapon_create(&turret_pos, &firing_orient, tsi->weapon_class, tsi->parent_objnum, -1, true, false, &tsi->turret->weapons, tsi->swp_pbank, tsi->swp_sbank, launch_curve_data);
+	weapon_objnum = weapon_create(&turret_pos, &firing_orient, tsi->weapon_class, tsi->parent_objnum, -1, true, false, 0.0f, tsi->turret, launch_curve_data);
 	weapon_set_tracking_info(weapon_objnum, tsi->parent_objnum, tsi->target_objnum, 1, tsi->target_subsys);

 	// do other cool stuff if weapon is created.
@@ -2143,7 +2188,7 @@ void turret_swarm_fire_from_turret(turret_swarm_info *tsi)

 			subsys_index = ship_get_subsys_index(tsi->turret);
 			Assert( subsys_index != -1 );
-			send_turret_fired_packet( tsi->parent_objnum, subsys_index, weapon_objnum, 0.f, 0.f, 0.f);
+			send_turret_fired_packet( tsi->parent_objnum, subsys_index, weapon_objnum, 0.f, 0.f);
 		}
 	}
 }
@@ -2316,11 +2361,9 @@ void ai_turret_execute_behavior(const ship *shipp, ship_subsys *ss)
 	float turret_barrel_length = -1.0f;

 	float target_radius = 0.f;
-	float target_forward_speed = 0.f;

 	if (lep != nullptr) {
 		target_radius = lep->radius;
-		target_forward_speed = lep->phys_info.fspeed;
 	}

 	// grab the data for the launch curve inputs
@@ -2328,7 +2371,6 @@ void ai_turret_execute_behavior(const ship *shipp, ship_subsys *ss)
 			ss->system_info->turret_num_firing_points,
 			base_dist_to_enemy,
 			target_radius,
-			target_forward_speed,
 	};

 	//WMC - go through all valid weapons. Fire spawns if there are any.
@@ -1439,9 +1439,9 @@ int asteroid_check_collision(object *pasteroid, object *other_obj, vec3d *hitpos
 		// everything above was calculated relative to the heavy's position
 		vec3d actual_world_hit_pos = mc.hit_point_world + heavy_obj->pos;
 		if ((shipp->is_arriving()) && (shipp->warpin_effect != nullptr))
-			warp_effect = shipp->warpin_effect.get();
+			warp_effect = shipp->warpin_effect;
 		else if ((shipp->flags[Ship::Ship_Flags::Depart_warp]) && (shipp->warpout_effect != nullptr))
-			warp_effect = shipp->warpout_effect.get();
+			warp_effect = shipp->warpout_effect;

 		if (warp_effect != nullptr && point_is_clipped_by_warp(&actual_world_hit_pos, warp_effect))
 			mc_ret_val = 0;
@@ -1693,7 +1693,7 @@ static void asteroid_do_area_effect(object *asteroid_objp)
 		if ( weapon_area_calc_damage(ship_objp, &asteroid_objp->pos, asip->inner_rad, asip->outer_rad, asip->blast, asip->damage, &blast, &damage, asip->outer_rad) == -1 )
 			continue;

-		ship_apply_global_damage(ship_objp, asteroid_objp, &asteroid_objp->pos, damage, asip->damage_type_idx, DamageSource::Explosion);
+		ship_apply_global_damage(ship_objp, asteroid_objp, &asteroid_objp->pos, damage, asip->damage_type_idx);
 		weapon_area_apply_blast(nullptr, ship_objp, &asteroid_objp->pos, blast, false);
 	}	// end for
 }
@@ -13,7 +13,6 @@
 #define WIN32_LEAN_AND_MEAN
 #define BMPMAN_INTERNAL

-#include "globalincs/pstypes.h"
 #include "anim/animplay.h"
 #include "anim/packunpack.h"
 #include "bmpman/bm_internal.h"
@@ -84,12 +83,7 @@ static bool bm_inited = false;
 static uint Bm_next_signature = 0x1234;
 static int Bm_low_mem = 0;

-struct bm_lookup_cache_entry {
-	ubyte* data;
-	int width;
-	int height;
-};
-SCP_map<int, bm_lookup_cache_entry> bm_lookup_cache;
+SCP_map<int,ubyte*> bm_lookup_cache;

 /**
 * How much RAM bmpman can use for textures.
@@ -150,31 +144,30 @@ bitmap_slot* bm_get_slot(int handle, bool separate_ani_frames) {
 // Declaration of private functions and templates(declared as static type func(type param);)

 bitmap_lookup::bitmap_lookup(int bitmap_num):
-	Bitmap_data(nullptr),
-	Width(0),
-	Height(0),
-	Num_channels(3)
+	Bitmap_data(NULL)
 {
 	if ( !bm_is_valid(bitmap_num) ) return;

+	Num_channels = 3;
+
 	if ( bm_has_alpha_channel(bitmap_num) ) {
 		Num_channels = 4;
 	}

+	bitmap_entry *be = bm_get_entry(bitmap_num);
+	
+	Width = be->bm.w;
+	Height = be->bm.h;
+
+
 	auto cache_search = bm_lookup_cache.find(bitmap_num);
 	if (cache_search == bm_lookup_cache.end()) {
-		// The texture in graphics memory may be smaller than the bitmap itself, e.g. when mipmap levels
-		// are culled at lower texture detail settings, so the readback reports the dimensions of the
-		// data it actually returns.
-		Bitmap_data = gr_get_bitmap_from_texture(bitmap_num, &Width, &Height);
+		Bitmap_data = (ubyte*)vm_malloc(Width * Height * Num_channels * sizeof(ubyte));

-		if (Bitmap_data != nullptr) {
-			bm_lookup_cache.insert({bitmap_num, {Bitmap_data, Width, Height}});
-		}
+		gr_get_bitmap_from_texture((void*)Bitmap_data, bitmap_num);
+		bm_lookup_cache.insert({bitmap_num, Bitmap_data});
 	} else {
-		Bitmap_data = cache_search->second.data;
-		Width = cache_search->second.width;
-		Height = cache_search->second.height;
+		Bitmap_data = cache_search->second;
 	}
 }

@@ -197,11 +190,6 @@ float bitmap_lookup::get_channel_alpha(float u, float v)
 {
 	Assert( Bitmap_data != NULL );

-	// without an alpha channel there is nothing to look up, and indexing channel 3 would read out of bounds
-	if ( Num_channels < 4 ) {
-		return 1.0f;
-	}
-
 	int x = fl2i(map_texture_address(u) * (Width-1));
 	int y = fl2i(map_texture_address(v) * (Height-1));

@@ -210,7 +198,7 @@ float bitmap_lookup::get_channel_alpha(float u, float v)

 void clear_bm_lookup_cache() {
 	for(auto &iter: bm_lookup_cache) {
-		vm_free(iter.second.data);
+		free(iter.second);
 	}
 	bm_lookup_cache.clear();
 }
@@ -611,8 +599,8 @@ int bm_create_3d(int bpp, int w, int h, int d, void* data) {
 		return -1;

 	// make sure that we have valid data
-	Assertion(data != nullptr, "No valid data received for 3D Bitmap creation!");
 	if (data == nullptr) {
+		UNREACHABLE("No valid data received for 3D Bitmap creation!");
 		return -1;
 	}

@@ -1036,13 +1024,6 @@ void bm_init() {
 	bm_inited = true;
 }

-bool bm_is_cubemap(int handle)
-{
-	const BM_TYPE type = bm_get_entry(handle)->comp_type;
-	return type == BM_TYPE_CUBEMAP_DDS || type == BM_TYPE_CUBEMAP_DXT1 || type == BM_TYPE_CUBEMAP_DXT3 ||
-		   type == BM_TYPE_CUBEMAP_DXT5;
-}
-
 int bm_is_compressed(int num) {
 	auto entry = bm_get_entry(num);
 	BM_TYPE type = BM_TYPE_NONE;
@@ -1229,7 +1210,7 @@ static int bm_load_info(BM_TYPE type, const char *filename, CFILE *img_cfp, int
 		}
 	}
 	else {
-		UNREACHABLE("Unknown file type %d specified! This is probably a coding error.", type);
+		UNREACHABLE("Unknown file type specified! This is probably a coding error.");

 		return -1;
 	}
@@ -3481,22 +3462,37 @@ bool bm_validate_filename(const SCP_string& file, bool single_frame, bool animat
 	}
 	return false;
 }
-
-SDL_Surface* bm_to_sdl_surface(int handle)
-{
+SDL_Surface* bm_to_sdl_surface(int handle) {
 	Assertion(bm_is_valid(handle), "%d is no valid bitmap handle!", handle);

+	int w;
+	int h;
+
+	bm_get_info(handle, &w, &h, nullptr, nullptr);
+	Uint32 rmask, gmask, bmask, amask;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+	rmask = 0x0000ff00;
+		gmask = 0x00ff0000;
+		bmask = 0xff000000;
+		amask = 0x000000ff;
+#else
+	rmask = 0x00ff0000;
+	gmask = 0x0000ff00;
+	bmask = 0x000000ff;
+	amask = 0xff000000;
+#endif
+
+	SDL_Surface* bitmapSurface = SDL_CreateRGBSurface(0, w, h, 32, rmask, gmask, bmask, amask);
+	if (SDL_LockSurface(bitmapSurface) < 0) {
+		return nullptr;
+	}
 	bitmap* bmp = bm_lock(handle, 32, BMP_TEX_XPARENT);

-	auto bitmapSurface = SDL_CreateSurface(bmp->w, bmp->h, SDL_PIXELFORMAT_BGRA32);
-
-	if (bitmapSurface) {
-		memcpy(bitmapSurface->pixels, reinterpret_cast<void *>(bmp->data),
-			   bmp->w * bmp->h * (bmp->bpp >> 3));
-	}
+	memcpy(bitmapSurface->pixels, reinterpret_cast<void*>(bmp->data), static_cast<size_t>(w * h * 4));

 	bm_unlock(handle);
-	bm_unload(handle);
+	SDL_UnlockSurface(bitmapSurface);

 	return bitmapSurface;

@@ -594,14 +594,6 @@ void bm_get_components(ubyte *pixel, ubyte *r, ubyte *g, ubyte *b, ubyte *a);
 */
 int bm_is_compressed(int handle);

-/**
- * @brief Returns true if the bitmap indexed by handle was loaded from a cubemap image file
- *
- * @note Render targets return false, even cubemap ones, and so do BC7 (DX10) DDS cubemaps, whose cube flag the DDS
- * loader does not keep
- */
-bool bm_is_cubemap(int handle);
-
 /**
 * @brief Gets the correct TCACHE_TYPE for compressed graphics (uncompressed are assumed TCACHE_TYPE_NORMAL)
 */
@@ -56,10 +56,6 @@ APPLY_TO_FOV_T(-, sub)

 // Used to set the default value for in-game options
 static float fov_default = DEFAULT_FOV;
-static float cockpit_fov_default = DEFAULT_FOV;
-static bool cockpit_fov_toggle_default = false;
-
-bool Use_cockpit_fov = false;

 static SCP_string fov_display(float val)
 {
@@ -77,21 +73,6 @@ static void parse_fov_func()
 	fov_default = value;
 }

-static void parse_cockpit_fov_func()
-{
-	float value;
-	stuff_float(&value);
-	CLAMP(value, 0.436332f, 1.5708f);
-	cockpit_fov_default = value;
-}
-
-static void parse_cockpit_fov_toggle_func()
-{
-	bool value;
-	stuff_boolean(&value);
-	cockpit_fov_toggle_default = value;
-}
-
 // coverity[GLOBAL_INIT_ORDER] -- safe; OptionBuilder::finish() uses Meyers singleton
 auto FovOption = options::OptionBuilder<float>("Graphics.FOV",
 					 std::pair<const char*, int>{"Field Of View", 1703},
@@ -109,6 +90,25 @@ auto FovOption = options::OptionBuilder<float>("Graphics.FOV",
 					 .parser(parse_fov_func)
 					 .finish();

+bool Use_cockpit_fov = false;
+
+// coverity[GLOBAL_INIT_ORDER] -- safe; OptionBuilder::finish() uses Meyers singleton
+auto CockpitFOVToggleOption = options::OptionBuilder<bool>("Graphics.CockpitFOVToggle",
+					 std::pair<const char*, int>{"Cockpit FOV Toggle", 1838},
+					 std::pair<const char*, int>{"Whether or not to use a different FOV for cockpit rendering from normal rendering", 1839})
+					 .category(std::make_pair("Graphics", 1825))
+					 .default_val(false)
+					 .change_listener([](bool val, bool) {
+					      if (!val) {
+					           COCKPIT_ZOOM_DEFAULT = VIEWER_ZOOM_DEFAULT;
+					      }
+					      return true; // This option will always persist so we never return false
+					 })
+					 .level(options::ExpertLevel::Advanced)
+					 .bind_to(&Use_cockpit_fov)
+					 .importance(61)
+					 .finish();
+
 // coverity[GLOBAL_INIT_ORDER] -- safe; OptionBuilder::finish() uses Meyers singleton
 auto CockpitFovOption = options::OptionBuilder<float>("Graphics.CockpitFOV",
 					 std::pair<const char*, int>{"Cockpit Field Of View", 1840},
@@ -116,35 +116,17 @@ auto CockpitFovOption = options::OptionBuilder<float>("Graphics.CockpitFOV",
 					 .category(std::make_pair("Graphics", 1825))
 					 .range(0.436332f, 1.5708f)
 					 .change_listener([](const float& val, bool) {
-					      // Graphics.CockpitFOVToggle has its own listener that re-applies this value, so the
-					      // result is the same whichever of the two options the manager happens to load first.
-					      COCKPIT_ZOOM_DEFAULT = Use_cockpit_fov ? fov_t(val) : VIEWER_ZOOM_DEFAULT;
+					      if (Use_cockpit_fov){
+					           COCKPIT_ZOOM_DEFAULT = val;
+						  } else {
+							  COCKPIT_ZOOM_DEFAULT = VIEWER_ZOOM_DEFAULT;
+						  }
 					      return true;
 					 })
 					 .display(fov_display)
-					 .default_func([]() { return cockpit_fov_default; })
+					 .default_val(fov_default)
 					 .level(options::ExpertLevel::Advanced)
 					 .importance(62)
-					 .parser(parse_cockpit_fov_func)
-					 .finish();
-
-// coverity[GLOBAL_INIT_ORDER] -- safe; OptionBuilder::finish() uses Meyers singleton
-auto CockpitFOVToggleOption = options::OptionBuilder<bool>("Graphics.CockpitFOVToggle",
-					 std::pair<const char*, int>{"Cockpit FOV Toggle", 1838},
-					 std::pair<const char*, int>{"Whether or not to use a different FOV for cockpit rendering from normal rendering", 1839})
-					 .category(std::make_pair("Graphics", 1825))
-					 .default_func([]() {return cockpit_fov_toggle_default;})
-					 // This does the work of bind_to(&Use_cockpit_fov) and then re-applies Graphics.CockpitFOV,
-					 // because that option's listener needs Use_cockpit_fov to already hold its final value.
-					 // Doing it here makes the pair of options independent of the order the manager loads them in.
-					 .change_listener([](bool val, bool) {
-					      Use_cockpit_fov = val;
-					      COCKPIT_ZOOM_DEFAULT = val ? fov_t(CockpitFovOption->getValue()) : VIEWER_ZOOM_DEFAULT;
-					      return true; // This option will always persist so we never return false
-					 })
-					 .level(options::ExpertLevel::Advanced)
-					 .importance(61)
-					 .parser(parse_cockpit_fov_toggle_func)
 					 .finish();

 //*************************CLASS: camera*************************
@@ -249,7 +249,7 @@ void photo_mode_compute_hud_layout()
 		if (param.type == photo_mode_param_type::INT_RANGE) {
 			snprintf(buf, sizeof(buf), "%s: %d", XSTR(param.label, param.xstr_id), param.max_val);
 		} else {
-			snprintf(buf, sizeof(buf), "%s: %s", XSTR(param.label, param.xstr_id), XSTR("Off", 1286));
+			snprintf(buf, sizeof(buf), "%s: %s", XSTR(param.label, param.xstr_id), XSTR("Off", 1285));
 		}
 		measure(buf);
 	}
@@ -33,7 +33,7 @@
 #include "parse/encrypt.h"
 #include "cfilesystem.h"

-#include <algorithm>
+
 #include <limits>

 char Cfile_root_dir[CFILE_ROOT_DIRECTORY_LEN] = "";
@@ -85,7 +85,7 @@ cf_pathtype Pathtypes[CF_MAX_PATH_TYPES]  = {
 	{ CF_TYPE_INTEL_ANIMS,			"data" DIR_SEPARATOR_STR "intelanims",										".pcx .ani .eff .tga .jpg .png .dds .ktx",	CF_TYPE_DATA	},
 	{ CF_TYPE_SCRIPTS,				"data" DIR_SEPARATOR_STR "scripts",											".lua .lc .fnl",						CF_TYPE_DATA	},
 	{ CF_TYPE_FICTION,				"data" DIR_SEPARATOR_STR "fiction",											".txt",								CF_TYPE_DATA	}, 
-	{ CF_TYPE_FREDDOCS,				"data" DIR_SEPARATOR_STR "freddocs",										".html .css .png .jpg",	CF_TYPE_DATA	}
+	{ CF_TYPE_FREDDOCS,				"data" DIR_SEPARATOR_STR "freddocs",										".html .qch .css .png .jpg",	CF_TYPE_DATA	}
 };
 // clang-format on

@@ -185,12 +185,7 @@ int cfile_init(const char *exe_dir, const char *cdrom_dir)

 	char buf[CFILE_ROOT_DIRECTORY_LEN];

-	#ifndef __ANDROID__
-		strncpy(buf, exe_dir, CFILE_ROOT_DIRECTORY_LEN - 1);
-	#else
-		(void)exe_dir;
-		strncpy(buf, os_android_get_working_folder_path().c_str(), CFILE_ROOT_DIRECTORY_LEN - 1);
-	#endif
+	strncpy(buf, exe_dir, CFILE_ROOT_DIRECTORY_LEN - 1);

 	buf[CFILE_ROOT_DIRECTORY_LEN - 1] = '\0';

@@ -837,7 +832,7 @@ static int cfget_cfile_block()
 	mprintf(("Out of cfile blocks! Currently opened files:\n"));
 	dump_opened_files();

-	Warning(LOCATION, "There are no more free cfile blocks. This means that there are too many files opened by FSO.\n"
+	UNREACHABLE("There are no more free cfile blocks. This means that there are too many files opened by FSO.\n"
 		"This is probably caused by a programming or scripting error where a file does not get closed."); // out of free cfile blocks
 	return -1;			
 }
@@ -1110,98 +1105,28 @@ void cfread_string(char *buf, int n, CFILE *file)
 	} while (c != 0 );
 }

-namespace {
-struct string_len_header {
-	int len = 0;
-	int stored = 0;
-	int start = 0;
-	bool length_cut = false;
-};
-
-// a past-the-end length is clamped like any cfread, but a negative one has nothing to clamp to, so inside a
-// limited section it throws and the loader skips the rest of the section
-string_len_header read_string_len_header(CFILE* file)
+void cfread_string_len(char *buf, int buffer_size, CFILE *file)
 {
-	string_len_header h;
-	if (!cf_is_valid(file)) {
-		return h;
+	int len;
+	len = cfread_int(file);
+	Assertion( (len <= buffer_size), "String cannot fit in buffer, len: %i, buffer: %i", len, buffer_size);
+	if (len) {
+		cfread(buf, len, 1, file);
+		Assertion(len != buffer_size || buf[len - 1] == 0, "Unterminated string does not fit in buffer");
 	}
-	int before = cftell(file);
-	h.length_cut = cfread(&h.len, sizeof(h.len), 1, file) != 1;
-	h.start = cftell(file);
-	if (h.length_cut) {
-		// a clean end of file reads as an empty string without a warning, as cfread_int does
-		h.length_cut = (h.start != before) || (cfeof(file) == 0);
-		return h;
-	}
-	h.len = INTEL_INT(h.len);
-	if ((h.len < 0) && (file->max_read_len != 0)) {
-		throw cfile::max_read_length("Attempted to read a string of negative length " + std::to_string(h.len));
-	}
-	h.stored = static_cast<int>(cf_check_read_size(file, static_cast<size_t>(std::max(h.len, 0))));
-	return h;
-}

-// reads count of the stored characters and leaves the file just past the whole string; false if the read failed
-bool read_string_len_body(const string_len_header& h, char* dest, int count, CFILE* file)
-{
-	bool ok = (count <= 0) || (cfread(dest, count, 1, file) == 1);
-	if (!ok || (h.stored > count)) {
-		cfseek(file, h.start + h.stored, CF_SEEK_SET);
-	}
-	return ok;
-}
-
-// warned last, so the file position is right even if a debug build stops here
-void warn_string_len(const string_len_header& h, bool read_ok, bool cut, int buffer_size, CFILE* file)
-{
-	if (h.length_cut) {
-		Warning(LOCATION, "cfread_string_len: cut-off string length field in %s", cf_get_filename(file));
-	} else if (!read_ok) {
-		Warning(LOCATION,
-			"cfread_string_len: could not read a string of %d characters in %s",
-			h.stored,
-			cf_get_filename(file));
-	} else if (h.len != h.stored) {
-		Warning(LOCATION, "cfread_string_len: corrupt string length %d in %s", h.len, cf_get_filename(file));
-	} else if (cut) {
-		Warning(LOCATION,
-			"cfread_string_len: a string of %d bytes was cut to fit a buffer of %d in %s",
-			h.len,
-			buffer_size,
-			cf_get_filename(file));
-	}
-}
-} // namespace
-
-void cfread_string_len(char* buf, int buffer_size, CFILE* file)
-{
-	Assertion(buffer_size > 0, "cfread_string_len needs room for at least the terminator, buffer: %i", buffer_size);
-	string_len_header h = read_string_len_header(file);
-	if (buffer_size <= 0) {
-		bool read_ok = read_string_len_body(h, buf, 0, file);
-		warn_string_len(h, read_ok, h.stored > 0, buffer_size, file);
-		return;
-	}
-	int count = std::min(h.stored, buffer_size);
-	bool read_ok = read_string_len_body(h, buf, count, file);
-	int kept = read_ok ? count : 0;
-	bool cut = (kept == buffer_size) && (memchr(buf, 0, buffer_size) == nullptr);
-	buf[std::min(kept, buffer_size - 1)] = 0;
-	warn_string_len(h, read_ok, cut, buffer_size, file);
+	buf[MIN(len, buffer_size - 1)] = 0;
 }

 SCP_string cfread_string_len(CFILE *file)
 {
-	string_len_header h = read_string_len_header(file);
+	int len = cfread_int(file);

 	SCP_string str;
-	str.resize(h.stored);
-	bool read_ok = read_string_len_body(h, str.data(), h.stored, file);
-	if (!read_ok) {
-		str.clear();
-	}
-	warn_string_len(h, read_ok, false, 0, file);
+	str.resize(len);
+
+	if (len)
+		cfread(&str[0], len, 1, file);

 	return str;
 }
@@ -320,26 +320,20 @@ void cfread_string(char *buf,int n, CFILE *file);
 /**
 * @brief Read a fixed length string that is not null-terminated, with the length stored in file.
 *
- * Keeps at most buffer_size - 1 characters and leaves the file just past the whole string, unless it throws.
- *
+ * If it is not null-terminated, the length of the string *must* be less than the size of the buffer (to make room for one)
+ * 
 * @param buf Pre-allocated array to store string
 * @param buffer_size Size of pre-allocated array
 * @param file File to read from
 *
 * @note Appends NULL character to string (buf)
- * @note Bad data gets a warning; at a clean end of file, or with an invalid file, the string is empty and nothing is
- * warned. Inside a limited section (cf_set_max_read_len), a negative length, or a read that still passes the limit
- * once clamped to the end of the file, throws cfile::max_read_length.
 */
 void cfread_string_len(char *buf,int buffer_size, CFILE *file);

 /**
 * @brief Read a string from the file where the length is stored in the file
- *
 * @param file The file to read the string from
 * @return The string that was read
- *
- * @note Warns and throws like the char* overload, except that nothing is cut.
 */
 SCP_string cfread_string_len(CFILE *file);

@@ -193,8 +193,21 @@ int cfseek( CFILE *cfile, int offset, int where )
 }


-size_t cf_check_read_size(CFILE* cfile, size_t size)
+// cfread() reads from a file
+//
+// returns:   returns the number of full elements read
+//            
+//
+int cfread(void *buf, int elsize, int nelem, CFILE *cfile)
 {
+	if(!cf_is_valid(cfile))
+		return 0;
+
+	size_t size = elsize*nelem;
+
+	if(buf == NULL || size <= 0)
+		return 0;
+
 	if ( (cfile->raw_position+size) > cfile->size ) {
 		Assertion(cfile->raw_position <= cfile->size, "Invalid raw_position value detected!");
 		size = cfile->size - cfile->raw_position;
@@ -213,29 +226,6 @@ size_t cf_check_read_size(CFILE* cfile, size_t size)
 		}
 	}

-	return size;
-}
-
-// cfread() reads from a file
-//
-// returns:   returns the number of full elements read
-//            
-//
-int cfread(void *buf, int elsize, int nelem, CFILE *cfile)
-{
-	if(!cf_is_valid(cfile))
-		return 0;
-
-	size_t size = elsize*nelem;
-
-	if(buf == nullptr || size <= 0)
-		return 0;
-
-	size = cf_check_read_size(cfile, size);
-	if (size < 1) {
-		return 0;
-	}
-
 	size_t bytes_read;
 	if (cfile->data != nullptr) {
 		// This is a file from memory
@@ -62,9 +62,4 @@ void cf_check_compression(CFILE* cfile);
 // Used to clear compression info data and free dynamic memory used by compression
 void cf_clear_compression_info(CFILE* cfile);

-// Clamps a read of size bytes to the end of the file and returns the clamped size, or 0 at the end of the file
-// without checking the limit; throws cfile::max_read_length if the clamped read would pass the file's read limit
-// (cf_set_max_read_len).
-size_t cf_check_read_size(CFILE* cfile, size_t size);
-
 #endif
@@ -15,7 +15,6 @@
 #include "globalincs/pstypes.h"
 #include "globalincs/systemvars.h"
 #include "globalincs/version.h"
-#include "graphics/2d.h"
 #include "graphics/openxr.h"
 #include "graphics/shadows.h"
 #include "hud/hudconfig.h"
@@ -75,7 +74,6 @@ const char *cmdline_arg_types[] =
 enum class flag_output_type {
 	Binary,
 	Json_V1,
-	Json_V2,
 };

 // variables
@@ -358,7 +356,6 @@ cmdline_parm fb_explosions_arg("-fb_explosions", NULL, AT_NONE);
 cmdline_parm fb_thrusters_arg("-fb_thrusters", NULL, AT_NONE);
 cmdline_parm shadow_quality_arg("-shadow_quality", NULL, AT_INT);
 cmdline_parm enable_shadows_arg("-enable_shadows", NULL, AT_NONE);
-cmdline_parm rt_shadows_arg("-rt_shadows", nullptr, AT_NONE);
 cmdline_parm no_deferred_lighting_arg("-no_deferred", NULL, AT_NONE);	// Cmdline_no_deferred
 cmdline_parm deferred_lighting_cockpit_arg("-deferred_cockpit", nullptr, AT_NONE);
 cmdline_parm anisotropy_level_arg("-anisotropic_filter", NULL, AT_INT);
@@ -516,7 +513,6 @@ cmdline_parm deprecated_res_arg("-res", "Deprecated, resolution, formatted like
 cmdline_parm render_res_arg("-render_res", "Resolution, formatted like 1600x900", AT_STRING);
 cmdline_parm window_res_arg("-window_res", "Window resolution, formatted like 1600x900.", AT_STRING);
 cmdline_parm center_res_arg("-center_res", "Resolution of center monitor, formatted like 1600x900", AT_STRING);
-cmdline_parm hdr_nits_arg("-hdr", "Forces HDR output on, overriding the in-game HDR setting. Optionally takes paper white and peak luminance in nits, formatted like 400,1500, overriding the in-game HDR nits settings.", AT_STRING);
 cmdline_parm verify_vps_arg("-verify_vps", NULL, AT_NONE);	// Cmdline_verify_vps  -- spew VP crcs to vp_crcs.txt
 cmdline_parm parse_cmdline_only(PARSE_COMMAND_LINE_STRING, "Ignore any cmdline_fso.cfg files", AT_NONE);
 cmdline_parm reparse_mainhall_arg("-reparse_mainhall", NULL, AT_NONE); //Cmdline_reparse_mainhall
@@ -531,7 +527,6 @@ cmdline_parm show_video_info("-show_video_info", NULL, AT_NONE); //Cmdline_show_
 cmdline_parm frame_profile_arg("-profile_frame_time", NULL, AT_NONE); //Cmdline_frame_profile
 cmdline_parm debug_window_arg("-debug_window", NULL, AT_NONE);	// Cmdline_debug_window
 cmdline_parm graphics_debug_output_arg("-gr_debug", nullptr, AT_NONE); // Cmdline_graphics_debug_output
-cmdline_parm gr_sync_validation_arg("-gr_sync_validation", nullptr, AT_NONE); // Cmdline_gr_sync_validation (implies -gr_debug)
 cmdline_parm log_to_stdout_arg("-stdout_log", nullptr, AT_NONE); // Cmdline_log_to_stdout
 cmdline_parm slow_frames_ok_arg("-slow_frames_ok", nullptr, AT_NONE);	// Cmdline_slow_frames_ok
 cmdline_parm fixed_seed_rand("-seed", nullptr, AT_INT);	// Cmdline_rng_seed,Cmdline_reuse_rng_seed;
@@ -539,7 +534,6 @@ cmdline_parm luadev_arg("-luadev", "Make lua errors non-fatal", AT_NONE);	// Cmd
 cmdline_parm override_arg("-override_data", "Enable override directory", AT_NONE);	// Cmdline_override_data
 cmdline_parm imgui_debug_arg("-imgui_debug", nullptr, AT_NONE);
 cmdline_parm vulkan("-vulkan", nullptr, AT_NONE);
-cmdline_parm opengl("-opengl", nullptr, AT_NONE);
 cmdline_parm multithreading("-threads", nullptr, AT_INT);

 char *Cmdline_start_mission = NULL;
@@ -556,12 +550,7 @@ int Cmdline_show_pos = 0;
 int Cmdline_show_stats = 0;
 int Cmdline_save_render_targets = 0;
 bool Cmdline_window = false;
-#ifdef __ANDROID__
-// Default to borderless in the legacy window-mode path as well.
-bool Cmdline_fullscreen_window = true;
-#else
 bool Cmdline_fullscreen_window = false;
-#endif
 std::optional<std::pair<uint16_t, uint16_t>>Cmdline_window_res = std::nullopt;
 char *Cmdline_res = 0;
 char *Cmdline_center_res = 0;
@@ -578,13 +567,12 @@ bool Cmdline_frame_profile = false;
 bool Cmdline_show_video_info = false;
 bool Cmdline_debug_window = false;
 bool Cmdline_graphics_debug_output = false;
-bool Cmdline_gr_sync_validation = false;
 bool Cmdline_log_to_stdout = false;
 bool Cmdline_slow_frames_ok = false;
 bool Cmdline_lua_devmode = false;
 bool Cmdline_override_data = false;
 bool Cmdline_show_imgui_debug = false;
-GraphicsAPI Cmdline_graphics_api = GraphicsAPI::Default;
+bool Cmdline_vulkan = false;
 int Cmdline_multithreading = 1;

 // Other
@@ -1364,58 +1352,51 @@ static void handle_unix_modlist(char **modlist, size_t *len)

 // external entry point into this modules

-static void json_add_version(json_t* root) {
-	auto version_obj = json_object();
-
-	json_object_set_new(version_obj, "full", json_string(FS_VERSION_FULL));
-	json_object_set_new(version_obj, "major", json_integer(FS_VERSION_MAJOR));
-	json_object_set_new(version_obj, "minor", json_integer(FS_VERSION_MINOR));
-	json_object_set_new(version_obj, "build", json_integer(FS_VERSION_BUILD));
-
-	json_object_set_new(version_obj, "has_revision", json_boolean(FS_VERSION_HAS_REVIS));
-	json_object_set_new(version_obj, "revision", json_integer(FS_VERSION_REVIS));
-	json_object_set_new(version_obj, "revision_str", json_string(FS_VERSION_REVIS_STR));
-
-	json_object_set_new(root, "version", version_obj);
-}
-
-static void json_add_easy_flags(json_t* root) {
-	auto easy_array = json_array();
-
-	for (auto& easy_flag : easy_flags) {
-		json_array_append_new(easy_array, json_string(easy_flag.name));
-	}
-
-	json_object_set_new(root, "easy_flags", easy_array);
-}
-
-static void json_add_flags(json_t* root) {
-	auto flags_array = json_array();
-
-	for (auto& flag : exe_params) {
-		auto flag_obj = json_object();
-
-		json_object_set_new(flag_obj, "name", json_string(flag.name));
-		json_object_set_new(flag_obj, "description", json_string(flag.desc));
-		json_object_set_new(flag_obj, "fso_only", json_boolean(flag.fso_only));
-		json_object_set_new(flag_obj, "on_flags", json_integer(flag.on_flags));
-		json_object_set_new(flag_obj, "off_flags", json_integer(flag.off_flags));
-		json_object_set_new(flag_obj, "type", json_string(flag.type));
-		json_object_set_new(flag_obj, "web_url", json_string(flag.web_url));
-
-		json_array_append_new(flags_array, flag_obj);
-	}
-
-	json_object_set_new(root, "flags", flags_array);
-}
-
 static json_t* json_get_v1() {
 	auto root = json_object();

-	json_add_version(root);
-	json_add_easy_flags(root);
-	json_add_flags(root);
+	{
+		auto version_obj = json_object();

+		json_object_set_new(version_obj, "full", json_string(FS_VERSION_FULL));
+		json_object_set_new(version_obj, "major", json_integer(FS_VERSION_MAJOR));
+		json_object_set_new(version_obj, "minor", json_integer(FS_VERSION_MINOR));
+		json_object_set_new(version_obj, "build", json_integer(FS_VERSION_BUILD));
+
+		json_object_set_new(version_obj, "has_revision", json_boolean(FS_VERSION_HAS_REVIS));
+		json_object_set_new(version_obj, "revision", json_integer(FS_VERSION_REVIS));
+		json_object_set_new(version_obj, "revision_str", json_string(FS_VERSION_REVIS_STR));
+
+		json_object_set_new(root, "version", version_obj);
+	}
+	{
+		auto easy_array = json_array();
+
+		for (auto& easy_flag : easy_flags) {
+			json_array_append_new(easy_array, json_string(easy_flag.name));
+		}
+
+		json_object_set_new(root, "easy_flags", easy_array);
+	}
+	{
+		auto flags_array = json_array();
+
+		for (auto& flag : exe_params) {
+			auto flag_obj = json_object();
+
+			json_object_set_new(flag_obj, "name", json_string(flag.name));
+			json_object_set_new(flag_obj, "description", json_string(flag.desc));
+			json_object_set_new(flag_obj, "fso_only", json_boolean(flag.fso_only));
+			json_object_set_new(flag_obj, "on_flags", json_integer(flag.on_flags));
+			json_object_set_new(flag_obj, "off_flags", json_integer(flag.off_flags));
+			json_object_set_new(flag_obj, "type", json_string(flag.type));
+			json_object_set_new(flag_obj, "web_url", json_string(flag.web_url));
+
+			json_array_append_new(flags_array, flag_obj);
+		}
+
+		json_object_set_new(root, "flags", flags_array);
+	}
 	{
 		auto caps_array = json_array();

@@ -1526,19 +1507,6 @@ static json_t* json_get_v1() {
 	return root;
 }

-// json_v2 reports version, supported flags, and the preferences path for launchers,
-// without querying graphics, audio, or joystick devices.
-static json_t* json_get_v2() {
-	auto root = json_object();
-
-	json_add_version(root);
-	json_add_easy_flags(root);
-	json_add_flags(root);
-	json_object_set_new(root, "pref_path", json_string(os_get_config_path().c_str()));
-
-	return root;
-}
-
 static void write_flags_file() {
 	FILE *fp = fopen("flags.lch","w");

@@ -1596,8 +1564,6 @@ static flag_output_type get_flags_output_type() {
 		return flag_output_type::Binary;
 	} else if (type == "json_v1") {
 		return flag_output_type::Json_V1;
-	} else if (type == "json_v2") {
-		return flag_output_type::Json_V2;
 	} else {
 		// This is supposed to make it easy for the launcher to recognize an unsupported type
 		printf("OUTPUT TYPE NOT SUPPORTED!\n");
@@ -1608,23 +1574,17 @@ static flag_output_type get_flags_output_type() {

 static void write_flags() {
 	auto type = get_flags_output_type();
-
-	if (type == flag_output_type::Binary) {
+	switch(type) {
+	case flag_output_type::Binary:
 		write_flags_file();
-		return;
+		break;
+	case flag_output_type::Json_V1:
+		json_t* root = json_get_v1();
+
+		json_dumpf(root, stdout, JSON_INDENT(4));
+		json_decref(root);
+		break;
 	}
-
-	json_t* root = (type == flag_output_type::Json_V1) ? json_get_v1() : json_get_v2();
-
-#ifdef __ANDROID__
-	char* dumped = json_dumps(root, JSON_INDENT(4));
-	os_android_set_flags_string(dumped ? dumped : "");
-	free(dumped);
-#else
-	json_dumpf(root, stdout, JSON_INDENT(4));
-#endif
-
-	json_decref(root);
 }

 bool SetCmdlineParams()
@@ -1815,45 +1775,38 @@ bool SetCmdlineParams()
 	}

 	// d3d windowed
-	// We need to set both the raw global (for the legacy !Using_in_game_options path) and the
-	// Option<T> override (for the modern path) since either backend may be the one actually consulted.
 	if(window_arg.found()) {
-		options::OptionsManager::instance()->setOverride("Graphics.WindowMode",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(os::ViewportState::Windowed))), "-window");
+		// We need to set both values since we don't know if we are going to use the new config system
+		//options::OptionsManager::instance()->setOverride("Graphics.WindowMode", "0");
 		Cmdline_window = true;
-		Cmdline_fullscreen_window = false;
 	}

 	if ( fullscreen_window_arg.found( ) )
 	{
-		options::OptionsManager::instance()->setOverride("Graphics.WindowMode",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(os::ViewportState::Borderless))),
-			"-fullscreen_window");
+		//options::OptionsManager::instance()->setOverride("Graphics.WindowMode", "1");
 		Cmdline_fullscreen_window = true;
 		Cmdline_window = false; /* Make sure no-one sets both */
 	}

 	if(render_res_arg.found() || deprecated_res_arg.found()){
-		const char* res_flag_name;
 		if (render_res_arg.found()) {
 			Cmdline_res = render_res_arg.str();
-			res_flag_name = "-render_res";
 		}
 		else {
 			Cmdline_res = deprecated_res_arg.str();
-			res_flag_name = "-res";
 			mprintf(("Deprecated -res argument. Use -render_res instead...\n"));
 		}

-		int width = 0;
+		/*int width = 0;
 		int height = 0;

 		if (sscanf(Cmdline_res, "%dx%d", &width, &height) == 2) {
-			options::OptionsManager::instance()->setOverride("Graphics.Resolution",
-				std::unique_ptr<json_t>(json_pack("{s:i, s:i}", "width", width, "height", height)), res_flag_name);
+			SCP_string override;
+			sprintf(override, "{\"width\":%d,\"height\":%d}", width, height);
+			options::OptionsManager::instance()->setOverride("Graphics.Resolution", override);
 		} else {
 			Warning(LOCATION, "Failed to parse -res parameter \"%s\". Must be in format \"<width>x<height>\".\n", Cmdline_res);
-		}
+		}*/
 	}
 	if(window_res_arg.found()){
 		int width = 0;
@@ -1869,24 +1822,6 @@ bool SetCmdlineParams()
 	if(center_res_arg.found()){
 		Cmdline_center_res = center_res_arg.str();
 	}
-	if (hdr_nits_arg.found()) {
-		// presence of the flag alone forces HDR output on, overriding the in-game HDR setting
-		options::OptionsManager::instance()->setOverride("Graphics.HDR",
-			std::unique_ptr<json_t>(json_true()), "-hdr");
-
-		if (hdr_nits_arg.has_param()) {
-			float paperwhite_nits = 0.0f, peak_nits = 0.0f;
-			if (sscanf(hdr_nits_arg.str(), "%f,%f", &paperwhite_nits, &peak_nits) == 2 && paperwhite_nits > 0.0f && peak_nits > 0.0f) {
-				// json_real keeps these JSON reals; json_unpack's "f" format rejects a bare integer like "400"
-				options::OptionsManager::instance()->setOverride("Graphics.HDRPaperWhite",
-					std::unique_ptr<json_t>(json_real(paperwhite_nits)), "-hdr");
-				options::OptionsManager::instance()->setOverride("Graphics.HDRPeakLuminance",
-					std::unique_ptr<json_t>(json_real(peak_nits)), "-hdr");
-			} else {
-				Warning(LOCATION, "Failed to parse -hdr parameter \"%s\". Must be in format \"<paperwhite_nits>,<peak_nits>\".\n", hdr_nits_arg.str());
-			}
-		}
-	}
 	if(almission_arg.found()){//DTP for autoload mission // developer oritentated
 		Cmdline_almission = almission_arg.str();
 		Cmdline_use_last_pilot = 1;
@@ -1979,20 +1914,17 @@ bool SetCmdlineParams()

 	if ( fov_arg.found() ) {
 		auto val = fov_arg.get_float();
-		if (val <= 0.1f) {
-			val = DEFAULT_FOV;
+		if (val > 0.1) {
+			VIEWER_ZOOM_DEFAULT = val;
+		} else {
+			VIEWER_ZOOM_DEFAULT = DEFAULT_FOV;
 		}
-		VIEWER_ZOOM_DEFAULT = val;
-		options::OptionsManager::instance()->setOverride("Graphics.FOV",
-			std::unique_ptr<json_t>(json_real(val)), "-fov");
 	}

 	if ( fov_cockpit_arg.found() ) {
 		auto val = fov_cockpit_arg.get_float();
-		if (val > 0.1f) {
+		if (val > 0.1) {
 			COCKPIT_ZOOM_DEFAULT = val;
-			options::OptionsManager::instance()->setOverride("Graphics.CockpitFOV",
-				std::unique_ptr<json_t>(json_real(val)), "-fov_cockpit");
 		}
 		else {
 			COCKPIT_ZOOM_DEFAULT = VIEWER_ZOOM_DEFAULT;
@@ -2015,18 +1947,13 @@ bool SetCmdlineParams()

 		Cmdline_fullscreen_window = false;
 		Cmdline_window = true; /* Make sure no-one sets both */
-		// These replace the removeWindowModeOption()/removeVSyncOption() calls that used to hide these two
-		// options in VR. An override keeps them visible but disabled in the options menu, with the tooltip
-		// naming -vr as the reason, which tells the player more than the control simply not being there.
-		options::OptionsManager::instance()->setOverride("Graphics.WindowMode",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(os::ViewportState::Windowed))), "-vr");
+		removeWindowModeOption();

 		// Turn off VSync, since we definitely don't want to be capped by the main monitor
 		// the OpenXR runtime should have a buffered wait which will behave, effectively,
 		// as a VSync to VR goggle driver
 		Gr_enable_vsync = false;
-		options::OptionsManager::instance()->setOverride("Graphics.VSync",
-			std::unique_ptr<json_t>(json_false()), "-vr");
+		removeVSyncOption();

 		openxr_prepare();
 	}
@@ -2081,8 +2008,6 @@ bool SetCmdlineParams()
 	if(no_vsync_arg.found() )
 	{
 		Gr_enable_vsync = false;
-		options::OptionsManager::instance()->setOverride("Graphics.VSync",
-			std::unique_ptr<json_t>(json_false()), "-no_vsync");
 	}

 	if ( normal_arg.found() ) {
@@ -2116,15 +2041,11 @@ bool SetCmdlineParams()
 			case 5: 
 				Gr_aa_mode = AntiAliasMode::SMAA_High;
 				break;
-			case 6:
+			case 6: 
 				Gr_aa_mode = AntiAliasMode::SMAA_Ultra;
 				break;
 			}
 		}
-
-		options::OptionsManager::instance()->setOverride("Graphics.AAMode",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(Gr_aa_mode))),
-			post_process_aa_preset_arg.found() ? "-aa_preset" : "-aa");
 	}

 	if (msaa_enabled_arg.found()) {
@@ -2140,9 +2061,6 @@ bool SetCmdlineParams()
 			Cmdline_msaa_enabled = 0;
 			break;
 		}
-
-		options::OptionsManager::instance()->setOverride("Graphics.MSAASamples",
-			std::unique_ptr<json_t>(json_integer(Cmdline_msaa_enabled)), "-msaa");
 	}

 	if ( glow_arg.found() )
@@ -2268,8 +2186,6 @@ bool SetCmdlineParams()
 	if ( softparticles_arg.found() )
 	{
 		Cmdline_softparticles = 1;
-		options::OptionsManager::instance()->setOverride("Graphics.SoftParticles",
-			std::unique_ptr<json_t>(json_true()), "-soft_particles");
 	}

 	if ( fb_explosions_arg.found() )
@@ -2277,31 +2193,14 @@ bool SetCmdlineParams()
 		Gr_framebuffer_effects.set(FramebufferEffects::Shockwaves, true);
 	}

-    if (fb_thrusters_arg.found())
+    if (fb_thrusters_arg.found()) 
    {
 	    Gr_framebuffer_effects.set(FramebufferEffects::Thrusters, true);
    }

-	if (fb_explosions_arg.found() || fb_thrusters_arg.found()) {
-		SCP_string reason;
-		if (fb_explosions_arg.found()) {
-			reason = "-fb_explosions";
-		}
-		if (fb_thrusters_arg.found()) {
-			if (!reason.empty()) {
-				reason += " ";
-			}
-			reason += "-fb_thrusters";
-		}
-		options::OptionsManager::instance()->setOverride("Graphics.FramebufferEffects",
-			std::unique_ptr<json_t>(json_integer(static_cast<json_int_t>(Gr_framebuffer_effects.to_u64()))), reason);
-	}
-
 	if ( no_postprocess_arg.found() )
 	{
 		Gr_post_processing_enabled = false;
-		options::OptionsManager::instance()->setOverride("Graphics.PostProcessing",
-			std::unique_ptr<json_t>(json_false()), "-no_post_process");
 	}

 	if( reparse_mainhall_arg.found() )
@@ -2315,19 +2214,12 @@ bool SetCmdlineParams()
 		Shadow_quality_uses_mod_option = true;

 		Shadow_quality = ShadowQuality::Medium;
-
-		// Deliberately not calling setOverride() here: mod_table_init() (which runs after cmdline parsing but
-		// before OptionsManager::loadInitialValues()) may still adjust Shadow_quality via game_settings.tbl's
-		// "$Shadow Quality Default:" when Shadow_quality_uses_mod_option is set, and an override registered now
-		// would freeze in the Medium fallback and ignore that later adjustment. Graphics.Shadows' default_func
-		// reads Shadow_quality instead, so this value reaches the in-game options path that way, and the
-		// player keeps the ability to change it.
 	}

 	if( shadow_quality_arg.found() )
 	{
 		// set that we are not using default shadow quality level --wookieejedi
-		Shadow_quality_uses_mod_option = false;
+		Shadow_quality_uses_mod_option = false; 

 		switch (shadow_quality_arg.get_int()) {
 		case 0:
@@ -2350,47 +2242,21 @@ bool SetCmdlineParams()
 			Shadow_quality = ShadowQuality::Disabled;
 			break;
 		}
-
-		// Unlike `-enable_shadows` alone, an explicit quality level is an unambiguous hard override that
-		// nothing else (mod defaults included) should be able to silently override.
-		options::OptionsManager::instance()->setOverride("Graphics.Shadows",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(Shadow_quality))), "-shadow_quality");
-	}
-
-	if( rt_shadows_arg.found() )
-	{
-		// Equivalent to picking "Raytraced" in the Shadow Method option. Silently
-		// has no effect if the renderer/hardware doesn't support
-		// CAPABILITY_RAYTRACED_SHADOWS -- the CSM path is used either way.
-		Shadow_render_method = ShadowRenderMethod::Raytraced;
-
-		// No need to gate this on shadows_raytracing_supported(): that answer is only meaningful after
-		// gr_init(), which runs later, and shadows_remove_unsupported_options() then removes this option
-		// altogether on hardware that cannot raytrace, so the override never reaches the options menu there.
-		options::OptionsManager::instance()->setOverride("Graphics.ShadowRenderMethod",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(ShadowRenderMethod::Raytraced))), "-rt_shadows");
 	}

 	if( no_deferred_lighting_arg.found() )
 	{
 		Cmdline_no_deferred_lighting = 1;
-		options::OptionsManager::instance()->setOverride("Graphics.DeferredLighting",
-			std::unique_ptr<json_t>(json_false()), "-no_deferred");
 	}

 	if( deferred_lighting_cockpit_arg.found() )
 	{
 		Cmdline_deferred_lighting_cockpit = true;
-		options::OptionsManager::instance()->setOverride("Graphics.DeferredCockpitLighting",
-			std::unique_ptr<json_t>(json_true()), "-deferred_cockpit");
 	}

-	if (anisotropy_level_arg.found())
+	if (anisotropy_level_arg.found()) 
 	{
 		Cmdline_aniso_level = anisotropy_level_arg.get_int();
-
-		options::OptionsManager::instance()->setOverride("Graphics.Anisotropy",
-			std::unique_ptr<json_t>(json_real(static_cast<double>(Cmdline_aniso_level))), "-anisotropic_filter");
 	}

 	if (frame_profile_write_file.found())
@@ -2441,16 +2307,6 @@ bool SetCmdlineParams()
 		Cmdline_graphics_debug_output = true;
 	}

-	if (gr_sync_validation_arg.found()) {
-		// Enables the Vulkan validation layer + debug messenger + synchronization
-		// validation feature (see VulkanRenderer::initializeInstance), but NOT the
-		// engine-level graphics debug output: -gr_debug additionally draws debug
-		// overlays (e.g. output_uniform_debug_data), which are unrelated to GPU
-		// sync validation and would otherwise appear as spurious on-screen
-		// artifacts. Keep this a pure GPU-validation switch.
-		Cmdline_gr_sync_validation = true;
-	}
-
 	if (log_to_stdout_arg.found()) {
 		Cmdline_log_to_stdout = true;
 	}
@@ -2476,14 +2332,7 @@ bool SetCmdlineParams()
 	}

 	if (vulkan.found()) {
-		Cmdline_graphics_api = GraphicsAPI::Vulkan;
-		options::OptionsManager::instance()->setOverride("Graphics.RenderAPI",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(GraphicsAPI::Vulkan))), "-vulkan");
-	}
-	else if (opengl.found()) {
-		Cmdline_graphics_api = GraphicsAPI::OpenGL;
-		options::OptionsManager::instance()->setOverride("Graphics.RenderAPI",
-			std::unique_ptr<json_t>(json_integer(static_cast<int>(GraphicsAPI::OpenGL))), "-opengl");
+		Cmdline_vulkan = true;
 	}

 	//Deprecated flags - CommanderDJ
@@ -13,7 +13,6 @@
 #define FS_CMDLINE_HEADER_FILE

 #include <optional>
-#include "graphics/2d.h"

 int parse_cmdline(int argc, char *argv[]);

@@ -154,18 +153,19 @@ extern bool Cmdline_frame_profile;
 extern bool Cmdline_show_video_info;
 extern bool Cmdline_debug_window;
 extern bool Cmdline_graphics_debug_output;
-extern bool Cmdline_gr_sync_validation;
 extern bool Cmdline_log_to_stdout;
 extern bool Cmdline_slow_frames_ok;
 extern bool Cmdline_lua_devmode;
 extern bool Cmdline_override_data;
 extern bool Cmdline_show_imgui_debug;
-extern GraphicsAPI Cmdline_graphics_api;
+extern bool Cmdline_vulkan;
 extern int Cmdline_multithreading;

 enum class WeaponSpewType { NONE = 0, STANDARD, ALL };
 extern WeaponSpewType Cmdline_spew_weapon_stats;

+extern void removeVSyncOption();
+extern void removeWindowModeOption();
 extern void removeResolutionOption();
 extern void removeResolutionVROption();

@@ -739,7 +739,7 @@ void control_config_bind(int i, const CC_bind &new_bind, selItem order, bool API
 	Undo_stack stack;
 	stack.save(Control_config[i].first);
 	stack.save(Control_config[i].second);
-	Undo_controls.save_stack(std::move(stack));
+	Undo_controls.save_stack(stack);

 	CCB old(Control_config[i]);

@@ -770,7 +770,7 @@ bool control_config_remove_binding(int ctrl, selItem item, bool API_Access)

 			stack.save(Control_config[ctrl].first);
 			stack.save(Control_config[ctrl].second);
-			Undo_controls.save_stack(std::move(stack));
+			Undo_controls.save_stack(stack);

 			Control_config[ctrl].first.clear();
 			Control_config[ctrl].second.clear();
@@ -804,7 +804,7 @@ bool control_config_remove_binding(int ctrl, selItem item, bool API_Access)

 	default:
 		// Coder forgot to add a case!
-		UNREACHABLE("Unhandled selItem case: %i", static_cast<int>(item));
+		UNREACHABLE("Unhandled selItem case.");
 	}

 	if (success)
@@ -873,7 +873,7 @@ bool control_config_clear_other(int ctrl, bool API_Access)
 		return false;
 	}

-	Undo_controls.save_stack(std::move(stack));
+	Undo_controls.save_stack(stack);
 	control_config_conflict_check();

 	if (!API_Access) {
@@ -911,7 +911,7 @@ bool control_config_clear_all(bool API_Access)
 		return false;
 	}

-	Undo_controls.save_stack(std::move(stack));
+	Undo_controls.save_stack(stack);
 	control_config_conflict_check();

 	if (!API_Access) {
@@ -975,7 +975,7 @@ bool control_config_do_reset(bool cycle, bool API_Access)
 		stack.save(item.first);
 		stack.save(item.second);
 	}
-	Undo_controls.save_stack(std::move(stack));
+	Undo_controls.save_stack(stack);

 	control_config_use_preset(Control_config_presets[Defaults_cycle_pos]);

@@ -1097,7 +1097,7 @@ bool control_config_toggle_modifier(int bit, int ctrl, bool API_Access)
 	Undo_stack stack;
 	stack.save(Control_config[ctrl].first);
 	stack.save(Control_config[ctrl].second);
-	Undo_controls.save_stack(std::move(stack));
+	Undo_controls.save_stack(stack);

 	Control_config[ctrl].take(CC_bind(CID_KEYBOARD, static_cast<short>(k ^ bit)), -1);
 	control_config_conflict_check();
@@ -1322,7 +1322,7 @@ bool control_config_accept(bool API_Access)

 			// Check if a hardcoded preset with name already exists. If so, complain to user and force retry
 			auto it = std::find_if(Control_config_presets.begin(), Control_config_presets.end(), [str](CC_preset& p) {
-				return ((p.name == str) && ((p.get_type() == Preset_t::tbl) || (p.get_type() == Preset_t::hardcode)));
+				return ((p.name == str) && ((p.type == Preset_t::tbl) || (p.type == Preset_t::hardcode)));
 			});

 			if (it != Control_config_presets.end()) {
@@ -1353,14 +1353,15 @@ bool control_config_accept(bool API_Access)
 			}

 			// Pack the current bindings into a preset, then save the file
-			CC_preset preset(std::move(str), Preset_t::pst);
+			CC_preset preset;
+			preset.name = std::move(str);
 			std::copy(Control_config.begin(), Control_config.end(), std::back_inserter(preset.bindings));
 			Control_config_presets.push_back(preset);
 			save_preset_file(preset, true);

 			// Reload the presets from file. Do this instead of just pushing the preset to the vector direct to get
 			// consistant ordering
-			Control_config_presets.erase(Control_config_presets.begin() + 1, Control_config_presets.end());
+			Control_config_presets.resize(1);
 			load_preset_files();

 			// finally, save the new preset so that changes will get saved to this preset
@@ -1777,7 +1778,7 @@ bool control_config_create_new_preset(const SCP_string& newName, bool overwrite)

 	// Check if a hardcoded preset with name already exists. If so, complain to user and force retry
 	auto it = std::find_if(Control_config_presets.begin(), Control_config_presets.end(), [newName](CC_preset& p) {
-		return (p.name == newName) && ((p.get_type() == Preset_t::tbl) || (p.get_type() == Preset_t::hardcode));
+		return (p.name == newName) && ((p.type == Preset_t::tbl) || (p.type == Preset_t::hardcode));
 	});

 	if (it != Control_config_presets.end()) {
@@ -1790,7 +1791,9 @@ bool control_config_create_new_preset(const SCP_string& newName, bool overwrite)
 	}

 	// Pack the current bindings into a preset, then save the file
-	CC_preset preset(newName, Preset_t::pst);
+	CC_preset preset;
+	preset.name = newName;
+	preset.type = Preset_t::pst;
 	std::copy(Control_config.begin(), Control_config.end(), std::back_inserter(preset.bindings));

 	// Done with the file
@@ -1802,7 +1805,7 @@ bool control_config_create_new_preset(const SCP_string& newName, bool overwrite)
 		save_preset_file(preset, true);

 		// Reload the presets from file.
-		Control_config_presets.erase(Control_config_presets.begin() + 1, Control_config_presets.end());
+		Control_config_presets.resize(1);
 		load_preset_files(newName);

 		// use the newly created preset
@@ -1810,9 +1813,10 @@ bool control_config_create_new_preset(const SCP_string& newName, bool overwrite)

 		return true;

-	} else if ((clone->name != preset.name) || (clone->get_type() != Preset_t::pst)) {
+	} else if ((clone->name != preset.name) || (clone->type != Preset_t::pst)) {
 		// Complain and ignore if the preset names or the type differs
 		return false;
+
 	}

 	return false; //should be unreachable, but just in case
@@ -1822,7 +1826,7 @@ bool control_config_clone_preset(const CC_preset& preset, const SCP_string& newN

 	// Check if a hardcoded preset with name already exists. If so, complain to user and force retry
 	auto it = std::find_if(Control_config_presets.begin(), Control_config_presets.end(), [newName](CC_preset& p) {
-		return (p.name == newName) && ((p.get_type() == Preset_t::tbl) || (p.get_type() == Preset_t::hardcode));
+		return (p.name == newName) && ((p.type == Preset_t::tbl) || (p.type == Preset_t::hardcode));
 	});

 	if (it != Control_config_presets.end()) {
@@ -1834,13 +1838,13 @@ bool control_config_clone_preset(const CC_preset& preset, const SCP_string& newN
 		return false;
 	}

-	CC_preset newPreset(newName, Preset_t::pst);
-	newPreset.bindings = preset.bindings;
+	CC_preset newPreset = preset;
+	newPreset.name = newName;

 	bool success = save_preset_file(newPreset, false);

 	// Reload the presets from file.
-	Control_config_presets.erase(Control_config_presets.begin() + 1, Control_config_presets.end());
+	Control_config_presets.resize(1);
 	load_preset_files(newName);

 	// use the newly cloned preset
@@ -3116,7 +3120,7 @@ void control_get_axes_readings(int *axis_v, float frame_time)
 			case CC_TYPE_AXIS_BTN_POS:
 			default:
 				//This should never happen, especially with the above Assertion. This is required as incomplete switches on an enum generate warnings
-				UNREACHABLE("Unhandled control item type %d", static_cast<int>(item.type));
+				UNREACHABLE("Unhandled control item type");
 				break;
 			}
 		}
@@ -572,28 +572,20 @@ public:
 * A preset, a collection of bindings for use in Control_config with an associated name
 */
 class CC_preset {
-  public:
+public:
 	SCP_vector<CCB> bindings;
 	SCP_string name;
+	Preset_t type = Preset_t::hardcode;

-  private:
-	// No default value: the type is always set explicitly by the constructor
-	Preset_t type;
+public:
+	CC_preset() = default;
+	CC_preset(const CC_preset& A) = default;

-  public:
-	// No default constructor: every preset must be created with an explicit type
-	CC_preset(SCP_string preset_name, Preset_t preset_type) : name(std::move(preset_name)), type(preset_type) {}
-	CC_preset(const CC_preset&) = default;
-
-	// Preserve target's preset type during copy assignment
-	CC_preset& operator=(const CC_preset& other);
-
-	Preset_t get_type() const
-	{
-		return type;
-	}
-
-	bool is_duplicate_of(const CC_preset& other) const;
+	CC_preset& operator=(const CC_preset&);
+	/*!
+	 * Checks if the given preset is a duplicate of this one
+	 */
+	bool is_duplicate_of(CC_preset&);
 };

 /*!
@@ -292,8 +292,10 @@ void control_config_common_init_bindings() {
 	// init default preset
 	Control_config_presets.clear();

-	CC_preset preset("default", Preset_t::hardcode);
+	CC_preset preset;
 	preset.bindings.reserve(Control_config.size());
+	preset.name = "default";
+	preset.type = Preset_t::hardcode;

 	for (auto &item : Control_config) {
 		preset.bindings.push_back(CCB(item));
@@ -680,7 +682,7 @@ const char *textify_scancode(int code)
 	}

 	SCP_string name;
-	unicode::convert_encoding(name, SDL_GetKeyName(SDL_GetKeyFromScancode(fs2_to_sdl(keycode), SDL_KMOD_NONE, false)), unicode::Encoding::Encoding_utf8);
+	unicode::convert_encoding(name, SDL_GetKeyName(SDL_GetKeyFromScancode(fs2_to_sdl(keycode))), unicode::Encoding::Encoding_utf8);
 	strcat_s(text, name.c_str());
 	return text;
 }
@@ -1731,13 +1733,14 @@ size_t read_bind_1(CC_preset &preset) {
 */
 void control_config_common_read_section(int s, bool first_override) {
 	Assertion((s == 0) || (s == 1), "Expected value of s to be either 0 or 1, found %i instead.", s);
-	CC_preset new_preset("", Preset_t::tbl);
+	CC_preset new_preset;

 	// Set references to the default preset and bindings
 	auto& default_preset = Control_config_presets[0];
 	auto& default_bindings = default_preset.bindings;

 	new_preset.bindings.clear();
+	new_preset.type = Preset_t::tbl;

 	if (s == 0) {
 		// #ControlConfigOverride
@@ -2385,7 +2388,7 @@ SCP_string ValToCID(CID id) {

 	if (it == mCIDNameToVal.cend()) {
 		// Shouldn't happen
-		UNREACHABLE("Unknown CID value %i", id);
+		Error(LOCATION, "Unknown CID value %i", id);
 		return "NONE";

 	} else {
@@ -2515,11 +2518,9 @@ SCP_string ValToJoy(const CC_bind &bind) {
 		if (it == mAxisNameToVal.end()) {
 			// should never happen
 			UNREACHABLE("Unknown error occured during reverse lookup of joy input string.");
-			str = "NONE";
-		} else {
-			// print out value
-			str = it->first;
-		}
+		} // else print out value
+
+		str = it->first;

 /*	} else if (bind.flags & CCF_HAT) {
 		// TODO Still currently encoded as buttons
@@ -2608,51 +2609,25 @@ void CC_bind::invert_toggle() {
 	flags ^= CCF_INVERTED;
 }

-
-static bool compare_btn(short cid, const CC_bind& A, char& A_flags, const CC_bind& B, char& B_flags)
-{
-	auto A_btn = A.get_btn();
-	auto B_btn = B.get_btn();
-
-	auto current = io::joystick::getPlayerJoystick(cid);
-
-	if (current && current->isGamepad()) {
-		if (A_btn >= SDL_GAMEPAD_BUTTON_COUNT) {
-			A_btn = (A_btn - SDL_GAMEPAD_BUTTON_COUNT) + SDL_GAMEPAD_AXIS_LEFT_TRIGGER;
-			A_flags |= CCF_AXIS_BTN;
-		}
-
-		if (B_btn >= SDL_GAMEPAD_BUTTON_COUNT) {
-			B_btn = (B_btn - SDL_GAMEPAD_BUTTON_COUNT) + SDL_GAMEPAD_AXIS_LEFT_TRIGGER;
-			B_flags |= CCF_AXIS_BTN;
-		}
-	}
-
-	return (A_btn == B_btn);
-}
-
 bool CC_bind::conflicts_with(const CC_bind& B) const {
-	char A_flags = flags;
-	char B_flags = B.flags;
-
 	// Bail early if CID or btn are not the same
-	if ((cid != B.cid) || !compare_btn(cid, *this, A_flags, B, B_flags)) {
+	if ((cid != B.cid) || (btn != B.btn)) {
 		return false;
 	}

 	// Check if A is an Axis or Axis Button, and if B is an Axis or Axis Button
 	char mask = (CCF_AXIS_BTN | CCF_AXIS);
-	if ((A_flags & mask) && (B_flags & mask)) {
+	if ((flags & mask) && (B.flags & mask)) {
 		return true;
 	}

 	// Check if Hat
-	if (A_flags & B_flags & CCF_HAT) {
+	if (flags & B.flags & CCF_HAT) {
 		return true;
 	}

 	// Check if Ball
-	if (A_flags & B_flags & CCF_BALL) {
+	if (flags & B.flags & CCF_BALL) {
 		return true;
 	}

@@ -2664,7 +2639,7 @@ bool CC_bind::conflicts_with(const CC_bind& B) const {
 	// First off, check if A or B is NOT a button, as according to the mask.  Buttons do not have a flag, so we check
 	// if they are any of the other input types
 	// Next, we return the inverse of the result. Negative of a Negative = Positive. Not Not a button = Is a button
-	return !((A_flags | B_flags) & mask);
+	return !((flags | B.flags) & mask);
 }

 bool CC_bind::is_inverted() const {
@@ -2755,19 +2730,10 @@ SCP_string CC_bind::textify() const {
 		case CID_JOY0:
 		case CID_JOY1:
 		case CID_JOY2:
-		case CID_JOY3: {
-			auto axis = joy_get_button_axis(cid, btn);
-
-			if (axis < 0) {
-				Assert((btn >= 0) && (btn < JOY_TOTAL_BUTTONS));
-				retval = SCP_string(textify_button(btn));
-			} else {
-				Assert((axis >= 0) && (axis < NUM_AXIS_TEXT));
-				retval = SCP_string(Axis_text[axis]);
-			}
-
+		case CID_JOY3:
+			Assert((btn >= 0) && (btn < JOY_TOTAL_BUTTONS));
+			retval = SCP_string(textify_button(btn));
 			break;
-		}

 		case CID_NONE:
 		default:
@@ -2999,22 +2965,23 @@ CCI_builder& CCI_builder::operator()(IoActionId action_id, short primary, short
 	return *this;
 }

-CC_preset& CC_preset::operator=(const CC_preset& other)
-{
-	if (this != &other) {
-		bindings = other.bindings;
-		name = other.name;
-		// 'type' is intentionally preserved to maintain instance identity
-	}
-	return *this;
-}
+CC_preset& CC_preset::operator=(const CC_preset& A) {
+	name = A.name;
+	type = A.type;

-bool CC_preset::is_duplicate_of(const CC_preset& other) const
-{
-	for (size_t i = 0; i < other.bindings.size(); ++i) {
-		if (bindings[i] != other.bindings[i]) {
+	std::copy(A.bindings.begin(), A.bindings.end(), bindings.begin());
+
+	return *this;
+};
+
+bool CC_preset::is_duplicate_of(CC_preset& A) {
+	for (size_t i = 0; i < A.bindings.size(); ++i) {
+		if (bindings[i] != A.bindings[i]) {
+			// Found a binding that's different.  Thus, this preset is not a duplicate
 			return false;
 		}
 	}
+
+	// Else, did not find any differences in the bindings.  Thus, this preset is a duplicate
 	return true;
 }
@@ -74,7 +74,9 @@ void load_preset_files(SCP_string clone) {


 		// Start reading in data
-		CC_preset preset(file, Preset_t::pst);
+		CC_preset preset;
+		preset.name = file;
+		preset.type = Preset_t::pst;
 		preset.bindings.resize(Control_config.size());

 		size_t size;
@@ -132,7 +134,7 @@ void load_preset_files(SCP_string clone) {
 		if ((clone == preset.name) || (it == Control_config_presets.end())) {
 			Control_config_presets.push_back(preset);

-		} else if ((it->name != preset.name) || ((it->get_type() != Preset_t::pst))) {
+		} else if ((it->name != preset.name) || (it->type != Preset_t::pst)) {
 			if (gameseq_get_state() == GS_STATE_CONTROL_CONFIG) {
 				popup(PF_TITLE_WHITE | PF_USE_AFFIRMATIVE_ICON, 1, POPUP_OK, "Preset '%s' is a duplicate of an existing preset, ignoring", preset.name.c_str());
 			} else {
@@ -171,7 +173,7 @@ bool delete_preset_file(CC_preset preset) {
 	cf_delete(filename.c_str(), CF_TYPE_PLAYER_BINDS, CF_LOCATION_ROOT_USER | CF_LOCATION_ROOT_GAME | CF_LOCATION_TYPE_ROOT);

 	// Reload the presets from file.
-	Control_config_presets.erase(Control_config_presets.begin() + 1, Control_config_presets.end());
+	Control_config_presets.resize(1);
 	load_preset_files();

 	return true;
@@ -49,7 +49,7 @@ VideoPresenter::VideoPresenter(const MovieProperties& props) : _properties(props
 		material_set_unlit(&_rgb_material, _planeTextureHandles[0], 1.0f, true, false);
 		break;
 	default:
-		UNREACHABLE("Unhandled enum value %d!", static_cast<int>(props.pixelFormat));
+		UNREACHABLE("Unhandled enum value!");
 		break;
 	}
 }
@@ -86,7 +86,7 @@ void VideoPresenter::uploadVideoFrame(const VideoFramePtr& frame) {
 			bpp = 32;
 			break;
 		default:
-			UNREACHABLE("Unhandled enum value %d!", static_cast<int>(_properties.pixelFormat));
+			UNREACHABLE("Unhandled enum value!");
 			break;
 		}

@@ -145,7 +145,7 @@ void VideoPresenter::displayFrame(float x1, float y1, float x2, float y2, float
 		gr_render_primitives(&_rgb_material, PRIM_TYPE_TRISTRIP, &layout, 0, 4, gr_immediate_buffer_handle, offset);
 		break;
 	default:
-		UNREACHABLE("Unhandled enum value %d!", static_cast<int>(_properties.pixelFormat));
+		UNREACHABLE("Unhandled enum value!");
 		break;
 	}
 }
@@ -537,8 +537,7 @@ void cutscenes_screen_init()
 	int u = 0;
 	for (auto cut = Cutscenes.begin(); cut != Cutscenes.end(); ++cut, ++u)
 	{
-		if ((cut->flags.any_of(Cutscene::Cutscene_Flags::Viewable,Cutscene::Cutscene_Flags::Always_viewable)) &&
-			!cut->flags[Cutscene::Cutscene_Flags::Never_viewable])
+		if (cut->flags[Cutscene::Cutscene_Flags::Viewable, Cutscene::Cutscene_Flags::Always_viewable] && !cut->flags[Cutscene::Cutscene_Flags::Never_viewable])
 		{
 			Cutscene_list.push_back(u);
 		}
@@ -14,8 +14,8 @@
 #include <windows.h>
 #endif

-#include "globalincs/pstypes.h"
 #include "freespace.h"
+#include "globalincs/pstypes.h"
 #include "globalincs/alphacolors.h"
 #include "globalincs/systemvars.h"
 #include "io/cursor.h"
@@ -208,7 +208,7 @@ void movie_display_loop(Player* player, PlaybackState* state) {
 	auto sleepTime = static_cast<std::uint64_t>((1. / (4. * player->getMovieProperties().fps)) * 1000.);

 	auto listener = [state](const SDL_Event& event) {
-		switch (event.key.key) {
+		switch (event.key.keysym.sym) {
 		case SDLK_ESCAPE:
 		case SDLK_KP_ENTER:
 		case SDLK_RETURN:
@@ -220,7 +220,7 @@ void movie_display_loop(Player* player, PlaybackState* state) {
 		}
 	};
 	// Use a dedicated listener here since we want to listen for the KEYUP event
-	auto key_handle = os::events::addEventListener(SDL_EVENT_KEY_UP, os::events::DEFAULT_LISTENER_WEIGHT - 10, listener);
+	auto key_handle = os::events::addEventListener(SDL_KEYUP, os::events::DEFAULT_LISTENER_WEIGHT - 10, listener);

 	// slight hack to make sure that game_set_frametime() doesn't also try to cap the framerate
 	auto fpsCapSave = Cmdline_NoFPSCap;
@@ -4,8 +4,6 @@
 #include "cutscene/VideoPresenter.h"
 #include "cutscene/ffmpeg/FFMPEGDecoder.h"

-#include "cmdline/cmdline.h"
-
 #include "graphics/2d.h"

 #include "globalincs/alphacolors.h"
@@ -54,7 +52,7 @@ void videoPlaybackInit(PlayerState* state) {

 	Assert(state != NULL);

-	if (gr_screen.mode != GraphicsAPI::Stub) {
+	if (gr_screen.mode != GR_STUB) {
 		// The video presenter is independent of the underlying graphics API
 		state->videoPresenter.reset(new VideoPresenter(state->props));
 	}
@@ -1,12 +1,18 @@

 #include "ddsutils/ddsutils.h"
 #include "cfile/cfile.h"
-#include "graphics/2d.h"
 #include "osapi/osregistry.h"
 #ifdef USE_OPENGL_ES
 #include "graphics/opengl/es_compatibility.h"
 #endif

+#ifdef WITH_OPENGL
+#include <glad/glad.h>
+#else
+static constexpr int GLAD_GL_EXT_texture_compression_s3tc = 0;
+static constexpr int GLAD_GL_ARB_texture_compression_bptc = 0;
+#endif
+
 #define BCDEC_IMPLEMENTATION 1
 PUSH_SUPPRESS_WARNINGS
 #include "ddsutils/bcdec.h"
@@ -54,11 +60,11 @@ static bool conversion_needed(const DDS_HEADER &dds_header)
 		case FOURCC_DXT1:
 		case FOURCC_DXT3:
 		case FOURCC_DXT5:
-			return !gr_is_capable(gr_capability::CAPABILITY_S3TC);
+			return !GLAD_GL_EXT_texture_compression_s3tc;

 		case FOURCC_DX10:
 			// anything other than BC7 will end up invalid
-			return !gr_is_capable(gr_capability::CAPABILITY_BPTC);
+			return !GLAD_GL_ARB_texture_compression_bptc;

 		default:
 			break;
@@ -220,7 +226,7 @@ static size_t compute_dds_size(const DDS_HEADER &dds_header, bool converting = f

 		if (dds_header.ddspf.dwFlags & DDPF_FOURCC) {
 			// size of data block (4x4)
-			d_size += dds_compressed_mip_size(d_width, d_height, (dds_header.ddspf.dwFourCC == FOURCC_DXT1) ? 8 : 16) * d_depth;
+			d_size += ((d_width + 3) / 4) * ((d_height + 3) / 4) * d_depth * ((dds_header.ddspf.dwFourCC == FOURCC_DXT1) ? 8 : 16);
 		} else {
 			d_size += d_width * d_height * d_depth * (dds_header.ddspf.dwRGBBitCount / 8);
 		}
@@ -546,116 +552,6 @@ int dds_read_bitmap(const char *filename, ubyte *data, ubyte *bpp, int cf_type)
 	return DDS_ERROR_NONE;
 }

-int dds_decompress_top_mip_bgra(const char *filename, int cf_type,
-                                int *out_width, int *out_height,
-                                SCP_vector<ubyte> &out_pixels)
-{
-	Assert(filename != nullptr);
-
-	// normalize to a .dds extension, same as dds_read_bitmap
-	char real_name[MAX_FILENAME_LEN];
-	strcpy_s(real_name, filename);
-	char *p = strchr(real_name, '.');
-	if (p) { *p = 0; }
-	strcat_s(real_name, ".dds");
-
-	CFILE *cfp = cfopen(real_name, "rb", cf_type);
-	if (cfp == nullptr)
-		return DDS_ERROR_INVALID_FILENAME;
-
-	DDS_HEADER dds_header;
-	DDS_HEADER_DXT10 dx10_header;
-	int retval = _dds_read_header(cfp, dds_header, &dx10_header);
-	if (retval != DDS_ERROR_NONE) {
-		cfclose(cfp);
-		return retval;
-	}
-
-	// only 2D FOURCC-compressed images are supported here
-	if (!(dds_header.ddspf.dwFlags & DDPF_FOURCC) ||
-	    (dds_header.dwCaps2 & (DDSCAPS2_CUBEMAP | DDSCAPS2_VOLUME)) ||
-	    (dds_header.dwFlags & DDSD_DEPTH) ||
-	    (dds_header.dwDepth > 1)) {
-		cfclose(cfp);
-		return DDS_ERROR_UNSUPPORTED;
-	}
-
-	void (*decode)(const void *, void *, int) = nullptr;
-	int block_size = 0;
-	switch (dds_header.ddspf.dwFourCC) {
-		case FOURCC_DXT1: decode = bcdec_bc1; block_size = BCDEC_BC1_BLOCK_SIZE; break;
-		case FOURCC_DXT3: decode = bcdec_bc2; block_size = BCDEC_BC2_BLOCK_SIZE; break;
-		case FOURCC_DXT5: decode = bcdec_bc3; block_size = BCDEC_BC3_BLOCK_SIZE; break;
-		case FOURCC_DX10:
-			if (!valid_dx10_format(dx10_header) ||
-			    dx10_header.resourceDimension != D3D10_RESOURCE_DIMENSION::D3D10_RESOURCE_DIMENSION_TEXTURE2D ||
-			    dx10_header.arraySize > 1) {
-				cfclose(cfp);
-				return DDS_ERROR_UNSUPPORTED;
-			}
-			decode = bcdec_bc7;
-			block_size = BCDEC_BC7_BLOCK_SIZE;
-			break;
-		default:
-			cfclose(cfp);
-			return DDS_ERROR_UNSUPPORTED;
-	}
-
-	const int w = static_cast<int>(dds_header.dwWidth);
-	const int h = static_cast<int>(dds_header.dwHeight);
-	if (w <= 0 || h <= 0) {
-		cfclose(cfp);
-		return DDS_ERROR_INVALID_FORMAT;
-	}
-
-	// BCn data is stored as ceil(w/4) * ceil(h/4) 4x4 blocks; dimensions
-	// don't have to be multiples of 4.
-	const int blocks_w = (w + 3) / 4;
-	const int blocks_h = (h + 3) / 4;
-	const int padded_w = blocks_w * 4;
-	const int padded_h = blocks_h * 4;
-	const size_t compressed_size = static_cast<size_t>(blocks_w) * blocks_h * block_size;
-
-	// _dds_read_header leaves the file positioned right after the header
-	// (including the DX10 sub-header if present), so the next read is the
-	// top mip's pixel data.
-	SCP_vector<ubyte> compressed(compressed_size);
-	const int got = cfread(compressed.data(), 1, static_cast<int>(compressed_size), cfp);
-	cfclose(cfp);
-	if (got != static_cast<int>(compressed_size))
-		return DDS_ERROR_INVALID_FORMAT;
-
-	// Decode into a padded buffer so edge blocks have room, then crop to w*h.
-	SCP_vector<ubyte> decoded(static_cast<size_t>(padded_w) * padded_h * 4);
-	const int dec_stride = padded_w * 4;
-	const ubyte *src = compressed.data();
-
-	for (int by = 0; by < blocks_h; ++by) {
-		for (int bx = 0; bx < blocks_w; ++bx) {
-			ubyte *blk_dst = decoded.data() + (by * 4) * dec_stride + (bx * 4) * 4;
-			decode(src, blk_dst, dec_stride);
-			src += block_size;
-		}
-	}
-
-	out_pixels.assign(static_cast<size_t>(w) * h * 4, 0);
-	const int dst_stride = w * 4;
-	for (int y = 0; y < h; ++y) {
-		std::memcpy(out_pixels.data() + static_cast<size_t>(y) * dst_stride,
-		            decoded.data() + static_cast<size_t>(y) * dec_stride,
-		            static_cast<size_t>(dst_stride));
-	}
-
-	// bcdec outputs RGBA byte-order; swap to BGRA
-	for (size_t x = 0; x < out_pixels.size(); x += 4) {
-		std::swap(out_pixels[x], out_pixels[x + 2]);
-	}
-
-	if (out_width) *out_width = w;
-	if (out_height) *out_height = h;
-	return DDS_ERROR_NONE;
-}
-
 // save some image data as a DDS image
 // NOTE: we only support, uncompressed, 24-bit RGB and 32-bit RGBA images here!!
 void dds_save_image(int width, int height, int bpp, int num_mipmaps, ubyte *data, int cubemap, const char *filename)
@@ -273,27 +273,6 @@ typedef struct {
 } DDS_HEADER_DXT10;
 #pragma pack()

-// Block size in bytes for a 4x4 texel block of a compressed DDS format.
-// comp_type is one of the DDS_DXT*/DDS_CUBEMAP_DXT* constants.
-inline int dds_block_size(int comp_type) {
-	switch (comp_type) {
-	case DDS_DXT1:
-	case DDS_CUBEMAP_DXT1:
-		return 8;
-	case DDS_DXT3: case DDS_CUBEMAP_DXT3:
-	case DDS_DXT5: case DDS_CUBEMAP_DXT5:
-	case DDS_BC7:
-		return 16;
-	default:
-		return 0;
-	}
-}
-
-// Size in bytes of one mip level of a block-compressed texture.
-inline size_t dds_compressed_mip_size(int w, int h, int block_size) {
-	return static_cast<size_t>(((w + 3) / 4) * ((h + 3) / 4) * block_size);
-}
-
 #define DDS_OFFSET						4+sizeof(DDS_HEADER)		//place where the data starts -- should be 128
 #define DX10_OFFSET						DDS_OFFSET+sizeof(DDS_HEADER_DXT10)		// Unless a DX10 header is present

@@ -306,15 +285,6 @@ int dds_read_header(const char *filename, CFILE *img_cfp = NULL, int *width = 0,
 //size of the data it stored in size
 int dds_read_bitmap(const char *filename, ubyte *data, ubyte *bpp = NULL, int cf_type = CF_TYPE_ANY);

-// Decompress just the top mip of a 2D FOURCC-compressed DDS (DXT1/3/5, BC7)
-// to 32-bpp BGRA, regardless of what the renderer's compression support is.
-// Intended for tool/preview code that needs raw pixels and doesn't care
-// about mipmaps or cubemap faces. On success, out_pixels is sized to
-// width*height*4 in BGRA byte order.
-int dds_decompress_top_mip_bgra(const char *filename, int cf_type,
-                                int *out_width, int *out_height,
-                                SCP_vector<ubyte> &out_pixels);
-
 // writes a DDS file using given data
 void dds_save_image(int width, int height, int bpp, int num_mipmaps, ubyte *data = NULL, int cubemap = 0, const char *filename = NULL);

@@ -56,7 +56,7 @@ int Debris_num_submodels = 0;

 particle::ParticleEffectHandle Debris_hit_particle;

-#define	DEBRIS_INDEX(dp) (static_cast<int>((dp)-Debris.data()))
+#define	DEBRIS_INDEX(dp) (int)(dp-Debris.data())

 // Find the first available arc slot.  If none is available, and no_create is false, add one.
 debris_electrical_arc *debris_find_or_create_electrical_arc_slot(debris *db, bool no_create);
@@ -337,7 +337,7 @@ void debris_process_post(object * obj, float frame_time)
 						break;

 					default:
-						Assertion(false, "Unhandled case %d for electrical arc creation in debris_process_post()!", n);
+						UNREACHABLE("Unhandled case %d for electrical arc creation in debris_process_post()!", n);
 					}
 				}
 			}
@@ -1152,9 +1152,9 @@ int debris_check_collision(object *pdebris, object *other_obj, vec3d *hitpos, co
 		// everything above was calculated relative to the heavy's position
 		vec3d actual_world_hit_pos = mc.hit_point_world + heavy_obj->pos;
 		if ((shipp->is_arriving()) && (shipp->warpin_effect != nullptr))
-			warp_effect = shipp->warpin_effect.get();
+			warp_effect = shipp->warpin_effect;
 		else if ((shipp->flags[Ship::Ship_Flags::Depart_warp]) && (shipp->warpout_effect != nullptr))
-			warp_effect = shipp->warpout_effect.get();
+			warp_effect = shipp->warpout_effect;

 		if (warp_effect != nullptr && point_is_clipped_by_warp(&actual_world_hit_pos, warp_effect))
 			mc_ret_val = 0;
@@ -489,15 +489,13 @@ void dc_putc(char c)
 }

 bool handle_textInputEvent(const SDL_Event& event) {
-	const char *p = event.text.text;
-
-	if (*p != '\0' && *p != '\1') {
-		for (; *p; ++p) {
-			if (*p < 32)
+	if (event.text.text[0] != '\0' && event.text.text[0] != '\1') {
+		for (char c : event.text.text) {
+			if (c < 32)
 				break;

 			if (dc_command_buf.size() < MAX_CLI_LEN) {
-				dc_command_buf.push_back(*p);
+				dc_command_buf.push_back(c);
 			}
 		}
 	}
@@ -517,8 +515,8 @@ void debug_console(void (*_func)(void))
 		dc_init();
 	}

-	auto textListener = os::events::addEventListener(SDL_EVENT_TEXT_INPUT, 10000, &handle_textInputEvent);
-	SDL_StartTextInput(os::getSDLMainWindow());
+	auto textListener = os::events::addEventListener(SDL_TEXTINPUT, 10000, &handle_textInputEvent);
+	SDL_StartTextInput();

 	dc_draw(TRUE);

@@ -620,7 +618,7 @@ void debug_console(void (*_func)(void))
 		dc_draw(TRUE);
 	}

-	SDL_StopTextInput(os::getSDLMainWindow());
+	SDL_StopTextInput();
 	os::events::removeEventListener(textListener);

 	while( key_inkey() ) {
@@ -228,7 +228,7 @@ bool Decal::isValid() const  {
 			return false;
 		}
 	} else {
-		UNREACHABLE("Only ships are currently supported for decals!");
+		Assertion(false, "Only ships are currently supported for decals!");
 		return false;
 	}

@@ -267,7 +267,7 @@ float smoothstep(float edge0, float edge1, float x) {
 namespace decals {

 void initialize() {
-	if (gr_screen.mode == GraphicsAPI::Stub) {
+	if (gr_screen.mode == GR_STUB) {
 		Decal_system_active = false;
 		return;
 	}
@@ -361,10 +361,6 @@ void pageInDecal(const creation_info& info) {
 	DecalDefinitions[info.definition_handle].pageIn();
 }

-bool decalSystemActive() {
-	return Decal_system_active && Decal_option_active && gr_is_capable(gr_capability::CAPABILITY_INSTANCED_RENDERING);
-}
-
 void initializeMission() {
 	active_decals.clear();
 }
@@ -463,7 +459,7 @@ inline static void renderDecal(graphics::decal_draw_list& draw_list, const Decal
 }

 void renderAll() {
-	if (!decalSystemActive()) {
+	if (!Decal_system_active || !Decal_option_active || !gr_is_capable(gr_capability::CAPABILITY_INSTANCED_RENDERING)) {
 		return;
 	}

@@ -486,24 +482,6 @@ void renderAll() {
 		++iter;
 	}

-	for (auto iter = active_single_frame_decals.begin(); iter != active_single_frame_decals.end();) {
-		if (!iter->isValid()) {
-			// if we're sitting on the very last element, popping-back will invalidate the iterator!
-			if (iter + 1 == active_single_frame_decals.end()) {
-				active_single_frame_decals.pop_back();
-				break;
-			}
-
-			*iter = active_single_frame_decals.back();
-			active_single_frame_decals.pop_back();
-			continue;
-		}
-
-		// next decal, only increment the iterator if we found a valid value so nothing gets skipped
-		// otherwise we may skip a decal which can then get through to the draw_list loop while being invalid
-		++iter;
-	}
-
 	if (active_decals.empty() && active_single_frame_decals.empty()) {
 		return;
 	}
@@ -564,7 +542,7 @@ void addDecal(creation_info& info, const object* host, int submodel, const vec3d
 }

 void addSingleFrameDecal(Decal&& info) {
-	active_single_frame_decals.push_back(std::move(info));
+	active_single_frame_decals.push_back(info);
 }

 void invalidateForShip(const ship* shipp) {
@@ -5,7 +5,6 @@
 #include "object/object.h"

 #include "utils/RandomRange.h"
-#include "utils/reset_on_move.h"

 namespace decals {

@@ -21,12 +20,9 @@ class DecalDefinition {
 	SCP_string _normalMapFilename;
 	bool _loopNormal = true;

-	// reset_on_move so that the defaulted move operations below transfer the
-	// handles; the destructor bm_release()s them, so a moved-from element must
-	// not keep aliasing live handles
-	util::reset_on_move<int, -1> _diffuseBitmap;
-	util::reset_on_move<int, -1> _glowBitmap;
-	util::reset_on_move<int, -1> _normalBitmap;
+	int _diffuseBitmap = -1;
+	int _glowBitmap = -1;
+	int _normalBitmap = -1;

 public:
 	explicit DecalDefinition(SCP_string name);
@@ -133,8 +129,6 @@ void loadBitmaps(const creation_info& info);
 */
 void pageInDecal(const creation_info& info);

-bool decalSystemActive();
-
 /**
 * @brief Shut down the decal system. Must be called from game_shutdown
 */
@@ -1,33 +1,17 @@
-#ifdef GL_ES
-precision highp float;
-precision highp sampler2DArray;
-#endif

 #include "gamma.sdr"

-layout(location=0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout (location = 0) in vec4 fragTexCoord;
-layout (location = 1) in vec4 fragColor;
-
-layout (set = 1, binding = 1) uniform sampler2DArray baseMap;
-
-layout (set = 2, binding = 0, std140) uniform genericData {
-	vec4 color;
-	float intensity;
-};
-#else
 in vec4 fragTexCoord;
 in vec4 fragColor;

+out vec4 fragOut0;
+
 uniform sampler2DArray baseMap;

 layout (std140) uniform genericData {
 	vec4 color;
 	float intensity;
 };
-#endif

 void main()
 {
@@ -1,25 +1,3 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-#ifdef VULKAN
-layout (location = 0) in vec4 vertPosition;
-layout (location = 1) in vec4 vertColor;
-layout (location = 2) in vec4 vertTexCoord;
-
-layout (location = 0) out vec4 fragTexCoord;
-layout (location = 1) out vec4 fragColor;
-
-layout (set = 2, binding = 1, std140) uniform matrixData {
-	mat4 modelViewMatrix;
-	mat4 projMatrix;
-};
-
-layout (set = 2, binding = 0, std140) uniform genericData {
-	vec4 color;
-	float intensity;
-};
-#else
 in vec4 vertPosition;
 in vec4 vertTexCoord;
 in vec4 vertColor;
@@ -36,7 +14,6 @@ layout (std140) uniform genericData {
 	vec4 color;
 	float intensity;
 };
-#endif

 void main()
 {
@@ -1,25 +1,11 @@
-#ifdef GL_ES
-precision highp float;
-precision highp sampler2D;
-#endif

-layout(location=0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec2 fragTexCoord;
-layout(set = 1, binding = 1) uniform sampler2D bloomed;
-#else
 in vec4 fragTexCoord;

-uniform sampler2D bloomed;
-#endif
+out vec4 fragOut0;

-#ifdef VULKAN
-layout(std140, set = 2, binding = 0)
-#else
-layout(std140)
-#endif
-uniform genericData {
+uniform sampler2D bloomed;
+
+layout (std140) uniform genericData {
 	float bloom_intensity;
 	int levels;
 };
@@ -1,32 +1,16 @@
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-precision highp sampler2D;
-#endif
+out vec4 fragOut0;

-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec2 fragTexCoord;
-layout(set = 1, binding = 1) uniform sampler2D tex;
-#else
 in vec4 fragTexCoord;
-uniform sampler2D tex;
-#endif

-#ifdef VULKAN
-layout(set = 2, binding = 0, std140)
-#else
-layout(std140)
-#endif
-uniform genericData {
-	float texSize;
-	int level;
-	int pad[2];
-};
+uniform sampler2D tex;

 const float TapSize = 1.0;

+layout (std140) uniform genericData {
+	float texSize;
+	int level;
+};
+
 // Gaussian Blur
 // 2 passes required
 void main()
@@ -1,18 +1,6 @@
-#ifdef GL_ES
-precision highp float;
-precision highp sampler2D;
-#endif
-
-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec2 fragTexCoord;
-layout(set = 1, binding = 1) uniform sampler2D tex;
-#else
 in vec4 fragTexCoord;
+out vec4 fragOut0;
 uniform sampler2D tex;
-#endif
-
 const float Luminance = 0.08;
 const float fMiddleGray = 0.2;
 const float fWhiteCutoff = 0.4;
@@ -1,35 +1,17 @@
-#ifdef GL_ES
-precision highp float;
-precision highp sampler2D;
-precision highp sampler2DArray;
-#endif
-
-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec2 fragTexCoord;
-layout(set = 1, binding = 1) uniform sampler2D tex;
-#else
 in vec4 fragTexCoord;
+out vec4 fragOut0;
+
 #ifdef COPY_ARRAY
 uniform sampler2DArray tex;
 #else
 uniform sampler2D tex;
 #endif
-#endif

 void main()
 {
-#if defined(COPY_ARRAY) && !defined(VULKAN)
+#ifdef COPY_ARRAY
 	fragOut0 = texture(tex, vec3(fragTexCoord.xy, 0));
 #else
 	fragOut0 = texture(tex, fragTexCoord.xy);
 #endif
-
-#ifdef CLAMP01
-	// Used to derive a [0,1]-bounded proxy from an extended-range HDR source,
-	// e.g. for FXAA/SMAA edge detection when the real output carries values
-	// above 1.0.
-	fragOut0 = min(fragOut0, vec4(1.0));
-#endif
 }
@@ -1,9 +1,3 @@
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-precision highp sampler2D;
-precision highp sampler2DArray;
-#endif

 // NOTE: The technique and some of this code is based on this tutorial:
 // http://martindevans.me/game-development/2015/02/27/Drawing-Stuff-On-Other-Stuff-With-Deferred-Screenspace-Decals/
@@ -12,37 +6,9 @@ precision highp sampler2DArray;
 #include "normals.sdr"
 #include "gamma.sdr"

-#ifdef VULKAN
-// G-buffer: 6 attachments, 1/3/5 are write-masked by pipeline blend state
-layout (location = 0) out vec4 fragOut0; // Color/Diffuse
-layout (location = 1) out vec4 fragOut1; // Position (masked)
-layout (location = 2) out vec4 fragOut2; // Normal
-layout (location = 3) out vec4 fragOut3; // Specular (masked)
-layout (location = 4) out vec4 fragOut4; // Emissive
-layout (location = 5) out vec4 fragOut5; // Composite (masked)
-
-layout (location = 0) flat in mat4 invModelMatrix;  // locations 0-3
-layout (location = 4) flat in vec3 decalDirection;
-layout (location = 5) flat in float normal_angle_cutoff;
-layout (location = 6) flat in float angle_fade_start;
-layout (location = 7) flat in float alpha_scale;
-
-layout (set = 1, binding = 1) uniform sampler2DArray decalTextures;
-#define diffuseMap decalTextures
-#define glowMap decalTextures
-#define normalMap decalTextures
-
-layout (set = 1, binding = 4) uniform sampler2D gDepthBuffer;
-layout (set = 1, binding = 6) uniform sampler2D gNormalBuffer;
-#else
-layout (location=0) out vec4 fragOut0; // Diffuse buffer
-#ifndef GL_ES
-layout (location=1) out vec4 fragOut1; // Normal buffer
-layout (location=2) out vec4 fragOut2; // Emissive buffer
-#else
-layout (location=2) out vec4 fragOut1; // Normal buffer   -> COLOR_ATTACHMENT2
-layout (location=4) out vec4 fragOut2; // Emissive buffer -> COLOR_ATTACHMENT4
-#endif
+out vec4 fragOut0; // Diffuse buffer
+out vec4 fragOut1; // Normal buffer
+out vec4 fragOut2; // Emissive buffer

 flat in mat4 invModelMatrix;
 flat in vec3 decalDirection;
@@ -56,14 +22,8 @@ uniform sampler2D gNormalBuffer;
 uniform sampler2DArray diffuseMap;
 uniform sampler2DArray glowMap;
 uniform sampler2DArray normalMap;
-#endif

-#ifdef VULKAN
-layout (set = 1, binding = 2, std140)
-#else
-layout (std140)
-#endif
-uniform decalGlobalData {
+layout (std140) uniform decalGlobalData {
 	mat4 viewMatrix;
 	mat4 projMatrix;
 	mat4 invViewMatrix;
@@ -72,12 +32,7 @@ uniform decalGlobalData {
 	vec2 viewportSize;
 };

-#ifdef VULKAN
-layout (set = 2, binding = 3, std140)
-#else
-layout (std140)
-#endif
-uniform decalInfoData {
+layout (std140) uniform decalInfoData {
 	int diffuse_index;
 	int glow_index;
 	int normal_index;
@@ -90,16 +45,8 @@ vec3 computeViewPosition(vec2 textureCoord) {
 	vec4 clipSpaceLocation;
 	vec2 normalizedCoord = textureCoord / viewportSize;

-#ifdef VULKAN
-	clipSpaceLocation.x = normalizedCoord.x * 2.0 - 1.0;
-	// Vulkan negative viewport inverts Y mapping
-	clipSpaceLocation.y = 1.0 - normalizedCoord.y * 2.0;
-	// Vulkan depth is [0,1] — use directly
-	clipSpaceLocation.z = texelFetch(gDepthBuffer, ivec2(textureCoord), 0).r;
-#else
 	clipSpaceLocation.xy = normalizedCoord * 2.0f - 1.0f;
 	clipSpaceLocation.z = texelFetch(gDepthBuffer, ivec2(textureCoord), 0).r * 2.0f - 1.0f;
-#endif
 	clipSpaceLocation.w = 1.0f;

 	vec4 homogenousLocation = invProjMatrix * clipSpaceLocation;
@@ -110,24 +57,24 @@ vec3 computeViewPosition(vec2 textureCoord) {
 vec3 getPixelNormal(vec3 frag_position, vec2 tex_coord, inout float alpha, out vec3 binormal, out vec3 tangent) {
 #ifdef USE_NORMAL_MAP
 	// If we can then we just use the existing normal buffer
-	vec3 normal = texelFetch(gNormalBuffer, ivec2(tex_coord), 0).xyz;
+    vec3 normal = texelFetch(gNormalBuffer, ivec2(tex_coord), 0).xyz;

 	// If we use the normal map then we don't really need these values so we don't need to compute them here
-	binormal = vec3(0.0);
-	tangent = vec3(0.0);
+    binormal = vec3(0.0);
+    tangent = vec3(0.0);
 #else
 	// Use some fancy screen-space derivates to determine the normal of the current pixel by looking at the surrounding pixels
 	vec3 pos_dx = dFdx(frag_position);
 	vec3 pos_dy = dFdy(frag_position);

-	vec3 normal = normalize(cross(pos_dx, pos_dy));
+    vec3 normal = normalize(cross(pos_dx, pos_dy));

-	binormal = normalize(pos_dx);
-	tangent = normalize(pos_dy);
+    binormal = normalize(pos_dx);
+    tangent = normalize(pos_dy);
 #endif

 	//Calculate angle between surface normal and decal direction
-	float angle = acos(clamp(dot(normal, decalDirection), -1.0, 1.0));
+	float angle = acos(dot(normal, decalDirection));

 	if (angle > normal_angle_cutoff) {
 		// The angle between surface normal and decal direction is too big
@@ -135,7 +82,7 @@ vec3 getPixelNormal(vec3 frag_position, vec2 tex_coord, inout float alpha, out v
 	}

 	// Make a smooth alpha transition leading up to an edge
-	alpha = alpha * (1.0 - smoothstep(angle_fade_start, normal_angle_cutoff, angle));
+	alpha = alpha * (1 - smoothstep(angle_fade_start, normal_angle_cutoff, angle));

 	return normal;
 }
@@ -215,18 +162,7 @@ void main() {
 		normal_out = tangentToView * decalNormal * alpha;
 	}

-#ifdef VULKAN
-	// 6-attachment G-buffer; attachments 1/3/5 are write-masked
-	fragOut0 = diffuse_out;
-	fragOut1 = vec4(0.0);
-	fragOut2 = vec4(normal_out, 0.0);
-	fragOut3 = vec4(0.0);
-	fragOut4 = emissive_out;
-	fragOut5 = vec4(0.0);
-#else
-	// OpenGL: 3 draw buffers mapped to attachments 0/2/4
 	fragOut0 = diffuse_out;
 	fragOut1 = vec4(normal_out, 0.0);
 	fragOut2 = emissive_out;
-#endif
 }
@@ -1,24 +1,4 @@
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-#endif

-#ifdef VULKAN
-// Binding 0: box vertex positions
-layout (location = 0) in vec4 vertPosition;
-
-// Binding 1: per-instance model matrix (mat4 = 4 vec4s at locations 8-11)
-layout (location = 8) in vec4 vertModelMatrix0;
-layout (location = 9) in vec4 vertModelMatrix1;
-layout (location = 10) in vec4 vertModelMatrix2;
-layout (location = 11) in vec4 vertModelMatrix3;
-
-layout (location = 0) flat out mat4 invModelMatrix;  // locations 0-3
-layout (location = 4) flat out vec3 decalDirection;
-layout (location = 5) flat out float normal_angle_cutoff;
-layout (location = 6) flat out float angle_fade_start;
-layout (location = 7) flat out float alpha_scale;
-#else
 in vec4 vertPosition;
 in mat4 vertModelMatrix;

@@ -27,14 +7,8 @@ flat out vec3 decalDirection;
 flat out float normal_angle_cutoff;
 flat out float angle_fade_start;
 flat out float alpha_scale;
-#endif

-#ifdef VULKAN
-layout (set = 1, binding = 2, std140)
-#else
-layout (std140)
-#endif
-uniform decalGlobalData {
+layout (std140) uniform decalGlobalData {
 	mat4 viewMatrix;
 	mat4 projMatrix;
 	mat4 invViewMatrix;
@@ -43,12 +17,7 @@ uniform decalGlobalData {
 	vec2 viewportSize;
 };

-#ifdef VULKAN
-layout (set = 2, binding = 3, std140)
-#else
-layout (std140)
-#endif
-uniform decalInfoData {
+layout (std140) uniform decalInfoData {
 	int diffuse_index;
 	int glow_index;
 	int normal_index;
@@ -58,11 +27,6 @@ uniform decalInfoData {
 };

 void main() {
-#ifdef VULKAN
-	// Reconstruct per-instance model matrix from 4 vec4 columns
-	mat4 vertModelMatrix = mat4(vertModelMatrix0, vertModelMatrix1, vertModelMatrix2, vertModelMatrix3);
-#endif
-
    normal_angle_cutoff = vertModelMatrix[0][3];
    angle_fade_start = vertModelMatrix[1][3];
    alpha_scale = vertModelMatrix[2][3];
@@ -1,69 +0,0 @@
-#ifdef GL_ES
-#extension GL_EXT_clip_cull_distance : enable
-precision highp float;
-precision highp int;
-precision highp sampler2DArray;
-#endif
-
-#ifdef VULKAN
-layout(set = 2, binding = 0, std140)
-#else
-layout(std140)
-#endif
-uniform genericData {
-	mat4 modelMatrix;
-
-	vec4 color;
-
-	vec4 clipEquation;
-
-	int baseMapIndex;
-	int alphaTexture;
-	int noTexturing;
-	int srgb;
-
-	float intensity;
-	float alphaThreshold;
-	uint clipEnabled;
-};
-
-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-
-layout(set = 1, binding = 1) uniform sampler2DArray baseMap;
-
-layout(location = 0) in vec4 fragTexCoord;
-layout(location = 1) in vec4 fragColor;
-#ifdef SDR_FLAG_SW_CLIP_FALLBACK
-layout(location = 2) in float vClipDist;
-#endif
-
-#else
-
-#ifdef SDR_FLAG_SW_CLIP_FALLBACK
-in float vClipDist;
-#endif
-
-uniform sampler2DArray baseMap;
-
-in vec4 fragTexCoord;
-in vec4 fragColor;
-
-#endif
-
-#include "gamma.sdr"
-
-void main()
-{
-#ifdef SDR_FLAG_SW_CLIP_FALLBACK
-	if (clipEnabled != 0u && vClipDist < 0.0) {
-		discard;
-	}
-#endif
-	vec4 baseColor = texture(baseMap, vec3(fragTexCoord.xy, float(baseMapIndex)));
-	if(alphaThreshold > baseColor.a) discard;
-	baseColor.rgb = (srgb == 1) ? srgb_to_linear(baseColor.rgb) : baseColor.rgb;
-	vec4 blendColor = (srgb == 1) ? vec4(srgb_to_linear(fragColor.rgb), fragColor.a) : fragColor;
-	fragOut0 = mix(mix(baseColor * blendColor, vec4(blendColor.rgb, baseColor.r * blendColor.a), float(alphaTexture)), blendColor, float(noTexturing)) * intensity;
-}
@@ -1,84 +0,0 @@
-#ifdef GL_ES
-#extension GL_EXT_clip_cull_distance : enable
-precision highp float;
-precision highp int;
-#endif
-
-#ifdef VULKAN
-layout(set = 2, binding = 0, std140)
-#else
-layout(std140)
-#endif
-uniform genericData {
-	mat4 modelMatrix;
-
-	vec4 color;
-
-	vec4 clipEquation;
-
-	int baseMapIndex;
-	int alphaTexture;
-	int noTexturing;
-	int srgb;
-
-	float intensity;
-	float alphaThreshold;
-	uint clipEnabled;
-};
-
-#ifdef VULKAN
-layout(set = 2, binding = 1, std140)
-#else
-layout(std140)
-#endif
-uniform matrixData {
-	mat4 modelViewMatrix;
-	mat4 projMatrix;
-};
-
-#ifdef VULKAN
-
-layout(location = 0) in vec4 vertPosition;
-layout(location = 1) in vec4 vertColor;
-layout(location = 2) in vec4 vertTexCoord;
-
-layout(location = 0) out vec4 fragTexCoord;
-layout(location = 1) out vec4 fragColor;
-#ifdef SDR_FLAG_SW_CLIP_FALLBACK
-layout(location = 2) out float vClipDist;
-#endif
-
-#else
-
-#ifdef SDR_FLAG_SW_CLIP_FALLBACK
-out float vClipDist;
-#endif
-
-out vec4 fragTexCoord;
-in vec4 vertTexCoord;
-out vec4 fragColor;
-in vec4 vertColor;
-in vec4 vertPosition;
-
-#endif
-
-void main()
-{
-	fragTexCoord = vertTexCoord;
-	fragColor = vertColor * color;
-	gl_Position = projMatrix * modelViewMatrix * vertPosition;
-
-	if (clipEnabled != 0u) {
-		#ifndef SDR_FLAG_SW_CLIP_FALLBACK
-		gl_ClipDistance[0] = dot(clipEquation, modelMatrix * vertPosition);
-		#else
-		vClipDist = dot(clipEquation, modelMatrix * vertPosition);
-		#endif
-	} else {
-		#ifndef SDR_FLAG_SW_CLIP_FALLBACK
-		gl_ClipDistance[0] = 1.0;
-		#else
-		vClipDist = 1.0;
-		#endif
-	}
-}
@@ -1,14 +1,9 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-layout (location=0) out vec4 fragOut0;
-layout (location=1) out vec4 fragOut1;
-layout (location=2) out vec4 fragOut2;
-layout (location=3) out vec4 fragOut3;
-layout (location=4) out vec4 fragOut4;
-layout (location=5) out vec4 fragOut5;
-
+out vec4 fragOut0;
+out vec4 fragOut1;
+out vec4 fragOut2;
+out vec4 fragOut3;
+out vec4 fragOut4;
+out vec4 fragOut5;
 void main()
 {
 	fragOut0 = vec4(0.0, 0.0, 0.0, 1.0); // color
@@ -1,103 +1,45 @@
 //? #version 150
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-precision highp sampler2D;
-precision highp samplerCube;
-precision highp sampler2DArrayShadow;
-#endif
-
 #include "lighting.sdr" //! #include "lighting.sdr"
 #include "gamma.sdr" //! #include "gamma.sdr"
 #include "shadows.sdr" //! #include "shadows.sdr"
 #include "z-compress.sdr" //! #include "z-compress.sdr"

-#ifndef GL_ES
-layout(location = 0) out vec4 fragOut0;
-#else
-layout(location = 5) out vec4 fragOut0; //COLOR_ATTACHMENTn is on location n in ES, here it uses COLOR_ATTACHMENT5
-#endif
+out vec4 fragOut0;

-#ifdef VULKAN
-layout(set = 1, binding = 1) uniform sampler2D sTextures[16];
-#define ColorBuffer sTextures[0]
-#define NormalBuffer sTextures[1]
-#define PositionBuffer sTextures[2]
-#define SpecBuffer sTextures[3]
-
-layout(set = 0, binding = 2) uniform sampler2DArrayShadow shadow_map;
-
-#ifdef ENV_MAP
-layout(set = 0, binding = 3) uniform samplerCube sEnvmap;
-layout(set = 0, binding = 4) uniform samplerCube sIrrmap;
-#endif
-
-#ifdef RT_SHADOWS
-layout(set = 0, binding = 5) uniform accelerationStructureEXT shadow_tlas;
-#endif
-#else
 uniform sampler2D ColorBuffer;
 uniform sampler2D NormalBuffer;
 uniform sampler2D PositionBuffer;
 uniform sampler2D SpecBuffer;
-uniform sampler2DArrayShadow shadow_map;
+uniform sampler2DArray shadow_map;

 #ifdef ENV_MAP
 uniform samplerCube sEnvmap;
 uniform samplerCube sIrrmap;
 #endif
-#endif

-#ifdef VULKAN
-layout(set = 0, binding = 1, std140)
-#else
-layout(std140)
-#endif
-uniform globalDeferredData {
+layout (std140) uniform globalDeferredData {
+	mat4 shadow_mv_matrix;
+	mat4 shadow_proj_matrix[4];
+
 	mat4 inv_view_matrix;

+	float veryneardist;
+	float neardist;
+	float middist;
+	float fardist;
+
 	float invScreenWidth;
 	float invScreenHeight;
+
 	float nearPlane;
 };

-#ifdef VULKAN
-layout(set = 0, binding = 6, std140)
-#else
-layout(std140)
-#endif
-uniform shadowCascadeParams {
-	int cascade_offset;
-	int cascade_count;
-	float rtShadowBiasMin;
-	float rtShadowBiasMax;
-
-	mat4 shadow_mv_matrix;
-
-	// See shadow_cascade_static_data (uniform_structs.h).
-	vec3 shadow_ray_view_origin;
-	int shadow_ray_cull_mask;
-	mat4 shadow_proj_matrix[NUM_SHADOW_CASCADES];
-	vec4 cascade_distances[(NUM_SHADOW_CASCADES + 4 - 1) / 4];
-	vec4 smoothness_factors[(NUM_SHADOW_CASCADES + 4 - 1) / 4];
-};
-
-#ifdef VULKAN
-layout(set = 2, binding = 1, std140)
-#else
-layout(std140)
-#endif
-uniform matrixData {
+layout (std140) uniform matrixData {
 	mat4 modelViewMatrix;
 	mat4 projMatrix;
 };

-#ifdef VULKAN
-layout(set = 0, binding = 0, std140)
-#else
-layout(std140)
-#endif
-uniform lightData {
+layout (std140) uniform lightData {
 	vec3 diffuseLightColor;
 	float coneAngle;

@@ -105,18 +47,18 @@ uniform lightData {
 	float coneInnerAngle;

 	vec3 coneDir;
-	int dualCone;
+	bool dualCone;

 	vec3 scale;
 	float lightRadius;

 	int lightType;
-	int enable_shadows;
+	bool enable_shadows;

 	float sourceRadius;
 };

-// Nearest point sphere and tube light calculations taken from
+// Nearest point sphere and tube light calculations taken from 
 // "Real Shading in Unreal Engine 4" by Brian Karis, Epic Games
 // Part of SIGGRAPH 2013 Course: Physically Based Shading in Theory and Practice

@@ -124,7 +66,7 @@ vec3 ExpandLightSize(in vec3 lightDir, in vec3 reflectDir) {
 	// There's an extra max(...,sourceRadius) call here vs the version in the paper.
 	// This prevents the centerToRay calculation from choosing a point behind
 	// the reflection ray's origin (i.e. underneath the surface).
-	// this is necessary for situations where the fragment being shaded lies inside
+	// this is necessary for situations where the fragment being shaded lies inside 
 	// the sourceRadius of the light.
 	// Instead, we choose a point suffciently far away from the reflection origin (hence max(...,sourceRadius))
 	// so that we have a gradual transition as the shaded fragments along the surface
@@ -132,13 +74,12 @@ vec3 ExpandLightSize(in vec3 lightDir, in vec3 reflectDir) {
 	vec3 centerToRay = max(dot(lightDir, reflectDir),sourceRadius) * reflectDir - lightDir;
 	return lightDir + centerToRay * clamp(sourceRadius/length(centerToRay), 0.0, 1.0);
 }
-void GetLightInfo(vec3 position, in float alpha, in vec3 reflectDir, out vec3 lightDirOut, out float attenuation, out float area_normalisation, out float lightDist)
+void GetLightInfo(vec3 position, in float alpha, in vec3 reflectDir, out vec3 lightDirOut, out float attenuation, out float area_normalisation)
 {
 	if (lightType == LT_DIRECTIONAL) {
 		lightDirOut = normalize(lightDir);
 		attenuation = 1.0;
 		area_normalisation = 1.0;
-		lightDist = RT_SHADOW_MAX_DISTANCE;
 	} else {
 		vec3 lightPosition = modelViewMatrix[3].xyz;
 		// Positional light source
@@ -151,9 +92,8 @@ void GetLightInfo(vec3 position, in float alpha, in vec3 reflectDir, out vec3 li
 			// move lightDirOut towards the ray defined by reflectDir
 			lightDirOut = ExpandLightSize(lightDirOut, reflectDir);
 			dist = length(lightDirOut);
-			lightDist = dist;
 			// Energy conservation term
-			float alpha_adjust = clamp(alpha + (sourceRadius/(2.0*dist)), 0.0, 1.0);
+			float alpha_adjust = clamp(alpha + (sourceRadius/(2*dist)), 0.0, 1.0);
 			area_normalisation = alpha/alpha_adjust;
 			area_normalisation *= area_normalisation;
 			//end chunk
@@ -194,9 +134,8 @@ void GetLightInfo(vec3 position, in float alpha, in vec3 reflectDir, out vec3 li
 			// Same principle as in LT_POINT, treat chosen location as a spherelight.
 			lightDirOut = ExpandLightSize(lightDirOut, reflectDir);
 			float dist = length(lightDirOut);
-			lightDist = dist;
 			// Energy conservation term
-			float alpha_adjust = min(alpha + (sourceRadius/(2.0*dist)), 1.0);
+			float alpha_adjust = min(alpha + (sourceRadius/(2*dist)), 1.0);
 			area_normalisation = alpha/alpha_adjust;
 			// don't need to square as it's a line rather than a sphere.
 			//end chunk
@@ -210,11 +149,10 @@ void GetLightInfo(vec3 position, in float alpha, in vec3 reflectDir, out vec3 li
 			lightDirOut = lightPosition - position.xyz;
 			float coneDot = dot(normalize(-lightDirOut), coneDir);
 			float dist = length(lightDirOut);
-			lightDist = dist;
 			attenuation = 1.0 - clamp(sqrt(dist / lightRadius), 0.0, 1.0);
 			area_normalisation = 1.0;

-			if(dualCone != 0) {
+			if(dualCone) {
 				if(abs(coneDot) < coneAngle) {
 					discard;
 				} else {
@@ -243,11 +181,11 @@ void ComputeEnvLight(float alpha, float ao, vec3 light_dir, vec3 eyeDir, vec3 no
 	// so let s = (2/alpha^2 - 2)
 	// 1/2 log(s + 1) = 1/2 log(2/alpha^2 -1)

-	const float ENV_REZ = 512.0; // Ideally this would be #define'd and shader recompiled with envmap rez changes
-	const float REZ_BIAS = log2(ENV_REZ * sqrt(3.0));
+	const float ENV_REZ = 512; // Ideally this would be #define'd and shader recompiled with envmap rez changes
+	const float REZ_BIAS = log2(ENV_REZ * sqrt(3));

 	float alphaSqr = alpha * alpha;
-	float rough_bias = 0.5 * log2(2.0/alphaSqr - 1.0);
+	float rough_bias = 0.5 * log2(2/alphaSqr - 1);
 	float mip_bias = REZ_BIAS - rough_bias;

 	// Sample light, using mip bias to blur it.
@@ -265,7 +203,7 @@ void ComputeEnvLight(float alpha, float ao, vec3 light_dir, vec3 eyeDir, vec3 no
 	// Pseudo-IBL, so use k_IBL
 	float k = alpha * alpha/ 2.0f;

-	float NdotL = max(dot(light_dir, normal),0.0);
+	float NdotL = max(dot(light_dir, normal),0);

 	float g1vNL = GeometrySchlickGGX(NdotL, k);
 	vec3 specEnvLighting = specEnvColour.rgb * fresnel * g1vNL;
@@ -317,35 +255,24 @@ void main()
 		vec3 lightDir;
 		float attenuation;
 		float area_normalisation;
-		float lightDist;
-		GetLightInfo(position, alpha, reflectDir, lightDir, attenuation, area_normalisation, lightDist);
+		GetLightInfo(position, alpha, reflectDir, lightDir, attenuation, area_normalisation);

-		if (enable_shadows != 0) {
-#ifdef RT_SHADOWS
-			// Ray origin in TLAS-relative space; see shadow_cascade_static_data (uniform_structs.h).
-			// Only the rotation of inv_view_matrix is used: its translation is the (large) camera
-			// world position, which shadow_ray_view_origin supplies already rebased onto the TLAS.
-			vec3 worldPos = mat3(inv_view_matrix) * position + shadow_ray_view_origin;
-			vec3 worldNormal = normalize((inv_view_matrix * vec4(normal, 0.0)).xyz);
-			vec3 worldLightDir = normalize((inv_view_matrix * vec4(lightDir, 0.0)).xyz);
-
-			float rtShadowBias = computeRtShadowBias(length(position), rtShadowBiasMin, rtShadowBiasMax);
-			attenuation *= traceShadowRay(shadow_tlas, worldPos, worldNormal, worldLightDir, lightDist, rtShadowBias, uint(shadow_ray_cull_mask));
-#else
+		if (enable_shadows) {
 			vec4 fragShadowPos = shadow_mv_matrix * inv_view_matrix * vec4(position, 1.0);
-			vec4 fragShadowUV[NUM_SHADOW_CASCADES];
-			for (int i = 0; i < NUM_SHADOW_CASCADES; i++) {
-				fragShadowUV[i] = transformToShadowMap(shadow_proj_matrix[i], i, fragShadowPos);
-			}
+			vec4 fragShadowUV[4];
+			fragShadowUV[0] = transformToShadowMap(shadow_proj_matrix[0], 0, fragShadowPos);
+			fragShadowUV[1] = transformToShadowMap(shadow_proj_matrix[1], 1, fragShadowPos);
+			fragShadowUV[2] = transformToShadowMap(shadow_proj_matrix[2], 2, fragShadowPos);
+			fragShadowUV[3] = transformToShadowMap(shadow_proj_matrix[3], 3, fragShadowPos);

-			attenuation *= getShadowValue(shadow_map, -position.z, fragShadowUV, cascade_distances, smoothness_factors, cascade_offset, cascade_count);
-#endif
+			attenuation *= getShadowValue(shadow_map, -position.z, fragShadowPos.z, fragShadowUV, fardist, middist,
+									neardist, veryneardist);
 		}

 		vec3 halfVec = normalize(lightDir + eyeDir);
 		float NdotL = clamp(dot(normal, lightDir), 0.0, 1.0);
 		fragmentColor.rgb = computeLighting(specColor.rgb, diffColor, lightDir, normal.xyz, halfVec, eyeDir, roughness, fresnel, NdotL).rgb * diffuseLightColor * attenuation * area_normalisation;
 	}
-	
+
 	fragOut0 = max(fragmentColor, vec4(0.0));
 }
@@ -1,32 +1,14 @@
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-#endif

 #include "lighting.sdr"

-#ifdef VULKAN
-layout(location = 0) in vec4 vertPosition;
-#else
 in vec4 vertPosition;
-#endif

-#ifdef VULKAN
-layout(set = 2, binding = 1, std140)
-#else
-layout(std140)
-#endif
-uniform matrixData {
+layout (std140) uniform matrixData {
 	mat4 modelViewMatrix;
 	mat4 projMatrix;
 };

-#ifdef VULKAN
-layout(set = 0, binding = 0, std140)
-#else
-layout(std140)
-#endif
-uniform lightData {
+layout (std140) uniform lightData {
 	vec3 diffuseLightColor;
 	float coneAngle;

@@ -34,13 +16,13 @@ uniform lightData {
 	float coneInnerAngle;

 	vec3 coneDir;
-	int dualCone;
+	bool dualCone;

 	vec3 scale;
 	float lightRadius;

 	int lightType;
-	int enable_shadows;
+	bool enable_shadows;

 	float sourceRadius;
 };
@@ -48,13 +30,7 @@ uniform lightData {
 void main()
 {
 	if (lightType == LT_DIRECTIONAL || lightType == LT_AMBIENT) {
-#ifdef VULKAN
-		// Fullscreen triangle from gl_VertexIndex (no vertex buffer)
-		vec2 pos = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
-		gl_Position = vec4(pos * 2.0 - 1.0, 0.0, 1.0);
-#else
 		gl_Position = vec4(vertPosition.xyz, 1.0);
-#endif
 	} else {
 		gl_Position = projMatrix * modelViewMatrix * vec4(vertPosition.xyz * scale, 1.0);
 	}
@@ -1,37 +1,15 @@
-#ifdef GL_ES
-precision highp float;
-precision highp sampler2D;
-precision highp sampler2DArray;
-#endif
-
-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec4 fragTexCoord;
-layout(location = 1) in vec4 fragColor;
-layout(location = 2) in float fragOffset;
-
-layout(set = 1, binding = 1) uniform sampler2DArray baseMap;
-layout(set = 1, binding = 4) uniform sampler2D depthMap;
-layout(set = 1, binding = 5) uniform sampler2D frameBuffer;
-layout(set = 1, binding = 6) uniform sampler2D distMap;
-#else
 in vec4 fragTexCoord;
 in vec4 fragColor;
 in float fragOffset;

+out vec4 fragOut0;
+
 uniform sampler2DArray baseMap;
 uniform sampler2D depthMap;
 uniform sampler2D distMap;
 uniform sampler2D frameBuffer;
-#endif

-#ifdef VULKAN
-layout(std140, set = 2, binding = 0)
-#else
-layout (std140)
-#endif
-uniform genericData {
+layout (std140) uniform genericData {
 	float window_width;
 	float window_height;
 	float use_offset;
@@ -1,17 +1,3 @@
-#ifdef GL_ES
-precision highp float;
-#endif
-
-#ifdef VULKAN
-layout(location = 0) in vec4 vertPosition;
-layout(location = 1) in vec4 vertColor;
-layout(location = 2) in vec4 vertTexCoord;
-layout(location = 6) in float vertRadius;
-
-layout(location = 0) out vec4 fragTexCoord;
-layout(location = 1) out vec4 fragColor;
-layout(location = 2) out float fragOffset;
-#else
 in vec4 vertPosition;
 in vec4 vertTexCoord;
 in vec4 vertColor;
@@ -19,24 +5,13 @@ in float vertRadius;
 out vec4 fragTexCoord;
 out vec4 fragColor;
 out float fragOffset;
-#endif

-#ifdef VULKAN
-layout(std140, set = 2, binding = 1)
-#else
-layout (std140)
-#endif
-uniform matrixData {
+layout (std140) uniform matrixData {
 	mat4 modelViewMatrix;
 	mat4 projMatrix;
 };

-#ifdef VULKAN
-layout(std140, set = 2, binding = 0)
-#else
-layout (std140)
-#endif
-uniform genericData {
+layout (std140) uniform genericData {
 	float window_width;
 	float window_height;
 	float use_offset;
@@ -1,39 +1,18 @@
-#ifdef GL_ES
-precision highp float;
-precision highp int;
-precision highp sampler2D;
-precision highp sampler2DArray;
-#endif

 #include "gamma.sdr"
 #include "z-compress.sdr"

-layout(location = 0) out vec4 fragOut0;
-
-#ifdef VULKAN
-layout(location = 0) in vec4 fragTexCoord;
-layout(location = 1) in vec4 fragColor;
-layout(location = 2) in float fragRadius;
-layout(location = 3) in vec4 fragPosition;
-
-layout(set = 1, binding = 1) uniform sampler2DArray baseMap;
-layout(set = 1, binding = 4) uniform sampler2D depthMap;
-#else
 in float fragRadius;
 in vec4 fragPosition;
 in vec4 fragTexCoord;
 in vec4 fragColor;

+out vec4 fragOut0;
+
 uniform sampler2DArray baseMap;
 uniform sampler2D depthMap;
-#endif

-#ifdef VULKAN
-layout(std140, set = 2, binding = 0)
-#else
-layout(std140)
-#endif
-uniform genericData {
+layout (std140) uniform genericData {
 	float window_width;
 	float window_height;
 	float nearZ;
@@ -60,13 +39,7 @@ void main()
 	float sceneDepthLinear;
 	float fragDepthLinear;
 	if ( linear_depth == 1 ) {
-		// Position buffer .z == 0 means no deferred geometry was rendered at this pixel
-		// (G-buffer was cleared to zero). Treat as max distance so particles render fully.
-		if (sceneDepth.z == 0.0) {
-			sceneDepthLinear = farZ;
-		} else {
-			sceneDepthLinear = -uncompress_depth_value(sceneDepth.z);
-		}
+		sceneDepthLinear = -uncompress_depth_value(sceneDepth.z);
 		fragDepthLinear = -fragPosition.z;
 	} else {
 		sceneDepthLinear = ( 2.0 * farZ * nearZ ) / ( farZ + nearZ - sceneDepth.x * (farZ-nearZ) );