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Horizon agentandClaude Opus 5.5 b06f5f36b9 Merge origin/main into #11118

Co-Authored-By: Claude Opus 5.5 <[email protected]>

2026-11-07 10:56:15 +01:00

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Third-party notices

Catnip / Ponder

crates/horizon-client-render/src/fluid_render.rs translates the still-fluid face tiling and UV rules of Catnip's FluidRenderHelper from Ponder 1.0.82 for Minecraft 1.21.1 (net.createmod.ponder:ponder-neoforge:1.0.82+mc1.21.1). Copyright (c) 2022 The Create Team, licensed under MIT (LICENSE_Ponder in that artifact); the full license heads the Rust file. The native renderer uses Horizon's own block-sprite arrays, pose and light packing. The development-only oracle calls the unchanged helper from the player's local artifact. No original classes, game shaders, textures or prepared resources are distributed here.

wgpu-hal

third_party/wgpu-hal is wgpu-hal 30.0.1 by the gfx-rs developers, with upstream fixes applied (gfx-rs/wgpu#10124, gfx-rs/wgpu#10714). It is licensed under MIT or Apache-2.0; both licenses are in that folder (LICENSE.MIT, LICENSE.APACHE).

naga

third_party/naga is naga 30.0.1 by the gfx-rs developers, with fixes to its GLSL frontend that shader packs need, each applied in the commit that needed it. It is licensed under MIT or Apache-2.0; both licenses are in that folder (LICENSE.MIT, LICENSE.APACHE).

The GLSL frontend also resets the common type for each comma-separated declarator so one variable's array specifier does not change later variables. It also reads a struct member outside a constant expression through a pointer to the member, not out of a loaded copy of the whole struct, so a member an atomic function uses can be read.

libmimalloc-sys and mimalloc

third_party/libmimalloc-sys is libmimalloc-sys 0.1.49 by Octavian Oncescu, with the mimalloc v3 sources it bundles (Copyright (c) 2018-2025 Microsoft Corporation, Daan Leijen), both under the MIT license (LICENSE.txt and c_src/mimalloc/v3/LICENSE in that folder). It holds only the v3 sources. One change: mi_popcount in include/mimalloc/bits.h uses mimalloc's portable bit count on MSVC x86/x64 instead of the POPCNT instruction, which CPUs before Nehalem lack (#7264).

Pixelify Sans

crates/horizon-theme/fonts/PixelifySans-*.ttf is Pixelify Sans by The Pixelify Sans Project Authors, licensed under the SIL Open Font License 1.1 (crates/horizon-theme/fonts/OFL-PixelifySans.txt).

Pixelarticons

crates/horizon-theme/icons/pixel/*.svg are icons from Pixelarticons by Gerrit Halfmann, under the MIT license (crates/horizon-theme/icons/pixel/LICENSE-pixelarticons.txt). star.svg is Horizon's own, drawn on the same grid.

Hugeicons

crates/horizon-theme/icons/glass/*.svg are icons from the free set of Hugeicons (@hugeicons/core-free-icons 4.4.0), under the MIT license (crates/horizon-theme/icons/glass/LICENSE-hugeicons.txt), exported with a 1.6 stroke in currentColor.

crates/horizon-theme/icons/glass/discord.svg is Discord's logo as drawn by Simple Icons 13.21.0 (CC0 1.0). The logo is Discord's trademark, used only on the button that opens Horizon's Discord server.

AMD FidelityFX SDK (FSR 3.1 frame generation)

crates/horizon-client-render/src/gfx/frame_gen/optical_flow.wgsl and interpolation.wgsl are ports to WGSL of the optical flow and frame interpolation shaders of the AMD FidelityFX SDK 1.1.4 (sdk/include/FidelityFX/gpu/{opticalflow,frameinterpolation}, at commit c6efa6bf7f20), and optical_flow.rs follows the SDK's sdk/src/components/opticalflow/ffx_opticalflow.cpp (its passes, their order and their dispatch sizes). Copyright (C) 2024 Advanced Micro Devices, Inc., under the MIT license, whose text heads each file. AMD and FidelityFX are AMD's trademarks; Horizon is not affiliated with AMD.

Mod loader logos

The launcher shows the logo of the mod loader an instance plays with, and offers the logos as instance icons.

launcher/assets/logos/{fabric,quilt,neoforge,forge}.png are the loaders' logos as the launcher mockup on playhorizon.dev/launcher shows them (horizon-site public/media/launcher/*.webp, converted to PNG), each its project's own mark: Fabric, Quilt (its art is CC0 1.0), NeoForged (its art, by Ridanisaurus, is CC BY 4.0) and Minecraft Forge. They name the loader an instance runs.

Each logo belongs to its project. Showing it says which loader an instance runs; it does not mean the project endorses Horizon.

The launcher's sign-in buttons follow Microsoft's published branding guidelines for apps that sign in with Microsoft accounts (Sign in with Microsoft branding). The four-square Microsoft symbol in launcher/src/microsoft.rs reproduces the squares, positions and colours of Microsoft's official ms-symbollockup_mssymbol_19.svg from that page, unmodified. Microsoft and its logo are trademarks of the Microsoft group of companies; Horizon is not endorsed by Microsoft.

CIT Resewn

crates/horizon-optifine/src/cit.rs and crates/horizon-client-render/src/cit.rs follow the condition semantics of CIT Resewn Continuation (at b792f9a), a continuation of CIT Resewn by SHsuperCM: the 1.21 component paths, enchantment levels, percent damage, text matching and rule ordering. It is licensed under the MIT license:

Copyright (c) 2021 SHsuperCM

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

FusionExamples

The tile tables in crates/horizon-optifine/src/fusion/layout.rs were read off the connecting texture templates (templates/template <layout>.png) of FusionExamples (at 8c9c56e), which is licensed under the MIT license:

Copyright (c) 2024 Martijn van den Brand

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

BlueMap

crates/horizon-client-render/src/bluemap.rs reads the lowres tiles of a server's BlueMap web map. It follows three of BlueMap's files: core/src/main/java/de/bluecolored/bluemap/core/map/lowres/LowresLayer.java (saveTile) for the tiles' pixel layout, common/webapp/src/js/util/Utils.js (pathFromCoords) for their paths, and core/src/main/java/de/bluecolored/bluemap/core/map/MapSettingsSerializer.java for a map's settings.json, at commit 96ae320d1d39. BlueMap is licensed under the MIT license:

Copyright (c) Blue (Lukas Rieger) https://bluecolored.de Copyright (c) contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

JOML

crates/horizon-client-render/src/camera.rs (joml::Mat4::rotation, invert_orthonormal) and crates/horizon-client-render/src/gfx/pack_uniforms.rs (invert_generic, invert_affine, the formulas of pack_projection and shadow_ortho) adapt the float arithmetic of Matrix4f.rotation(Quaternionfc), invertOrthonormal, invertGenericNonThis, invertAffine, setPerspective and setOrtho from JOML 1.10.9, the library vanilla 26.3 uses, so that shader packs get the same matrices to the last bit. Changes: ported to Rust; the pack_uniforms.rs functions drop JOML's property flags, and pack_projection works the formula in doubles. The copyright line and license notice also head both files.

camera.rs also adapts Quaternionf.rotationX, rotationY and rotationZ, Matrix4f.rotateAffine and Vector4f.mulAffine (joml::Quat::rotation_x/_y/_z, joml::Mat4::rotate_affine, transform_affine), for the sky's positions shader packs read. Changes: ported to Rust; rotate_affine keeps only the affine case.

The MIT License

Copyright (c) 2015-2026 Richard Greenlees

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Just Enough Items

The Recipes settings icon is from Just Enough Items 31.17.0.108 by mezz and contributors. It is distributed under the MIT license in crates/horizon-client-render/src/jei_recipes/LICENSE.txt.

Flywheel native model directional shading

The two-light diffuse expression and transformed-normal policy in terrain.wgsl's native model entries follow Flywheel 1.0.6 (internal/diffuse.glsl, instance/transformed.vert, internal/common.vert). No Flywheel classes, compiled shaders or original model/texture assets are bundled.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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