mirror of
https://github.com/libretro/devilutionX.git
synced 2026-11-11 02:41:35 -10:00
Gleb Mazovetskiy
9db80ef5d7
When using `UNPACKED_MPQS`, avoid all the SDL machinery for reading files. This is beneficial not only due to reduced indirection but also because we can test for the file's existence and get the file size without opening it, which is much faster.
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
#include "engine/load_pcx.hpp"
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#include <cstddef>
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#include <cstring>
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#include <memory>
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#include <utility>
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#ifdef DEBUG_PCX_TO_CL2_SIZE
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#include <iostream>
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#endif
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#include <SDL.h>
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#include "mpq/mpq_common.hpp"
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#include "utils/log.hpp"
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#include "utils/str_cat.hpp"
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#ifdef UNPACKED_MPQS
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#include "engine/load_clx.hpp"
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#include "engine/load_file.hpp"
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#else
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#include "engine/assets.hpp"
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#include "utils/pcx.hpp"
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#include "utils/pcx_to_clx.hpp"
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#endif
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#ifdef USE_SDL1
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#include "utils/sdl2_to_1_2_backports.h"
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#endif
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namespace devilution {
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OptionalOwnedClxSpriteList LoadPcxSpriteList(const char *filename, int numFramesOrFrameHeight, std::optional<uint8_t> transparentColor, SDL_Color *outPalette, bool logError)
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{
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char path[MaxMpqPathSize];
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char *pathEnd = BufCopy(path, filename, DEVILUTIONX_PCX_EXT);
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*pathEnd = '\0';
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#ifdef UNPACKED_MPQS
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OptionalOwnedClxSpriteList result = LoadOptionalClx(path);
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if (!result) {
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if (logError)
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LogError("Missing file: {}", path);
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return result;
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}
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if (outPalette != nullptr) {
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std::memcpy(pathEnd - 3, "pal", 3);
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std::array<uint8_t, 256 * 3> palette;
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LoadFileInMem(path, &palette[0], palette.size());
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for (unsigned i = 0; i < 256; i++) {
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outPalette[i].r = palette[i * 3];
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outPalette[i].g = palette[i * 3 + 1];
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outPalette[i].b = palette[i * 3 + 2];
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#ifndef USE_SDL1
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outPalette[i].a = SDL_ALPHA_OPAQUE;
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#endif
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}
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}
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return result;
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#else
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size_t fileSize;
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AssetHandle handle = OpenAsset(path, fileSize);
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if (!handle.ok()) {
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if (logError)
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LogError("Missing file: {}", path);
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return std::nullopt;
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}
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#ifdef DEBUG_PCX_TO_CL2_SIZE
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std::cout << filename;
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#endif
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OptionalOwnedClxSpriteList result = PcxToClx(handle, fileSize, numFramesOrFrameHeight, transparentColor, outPalette);
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if (!result)
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return std::nullopt;
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return result;
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#endif
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}
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} // namespace devilution
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