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78 lines
2.4 KiB
78 lines
2.4 KiB
#pragma once |
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#include <cstdint> |
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#include <function_ref.hpp> |
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#include "appfat.h" |
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#include "engine/clx_sprite.hpp" |
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#include "engine/load_file.hpp" |
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#include "utils/cl2_to_clx.hpp" |
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#include "utils/endian.hpp" |
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#include "utils/pointer_value_union.hpp" |
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#include "utils/static_vector.hpp" |
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#include "utils/str_cat.hpp" |
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#ifdef UNPACKED_MPQS |
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#define DEVILUTIONX_CL2_EXT ".clx" |
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#else |
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#define DEVILUTIONX_CL2_EXT ".cl2" |
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#endif |
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namespace devilution { |
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OwnedClxSpriteListOrSheet LoadCl2ListOrSheet(const char *pszName, PointerOrValue<uint16_t> widthOrWidths); |
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template <size_t MaxCount> |
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OwnedClxSpriteSheet LoadMultipleCl2Sheet(tl::function_ref<const char *(size_t)> filenames, size_t count, uint16_t width) |
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{ |
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StaticVector<AssetRef, MaxCount> files; |
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StaticVector<size_t, MaxCount> fileSizes; |
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const size_t sheetHeaderSize = 4 * count; |
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size_t totalSize = sheetHeaderSize; |
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for (size_t i = 0; i < count; ++i) { |
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const char *filename = filenames(i); |
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AssetRef file = FindAsset(filename); |
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if (!file.ok()) { |
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app_fatal(StrCat("Failed to open file:\n", filename, "\n\n", file.error())); |
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} |
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size_t size = file.size(); |
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fileSizes.emplace_back(size); |
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totalSize += size; |
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} |
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auto data = std::unique_ptr<uint8_t[]> { new uint8_t[totalSize] }; |
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#ifndef UNPACKED_MPQS |
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const PointerOrValue<uint16_t> frameWidth { width }; |
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#endif |
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size_t accumulatedSize = sheetHeaderSize; |
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for (size_t i = 0; i < count; ++i) { |
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const size_t size = fileSizes[i]; |
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AssetHandle file = OpenAsset(filenames(i)); |
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if (!file.read(&data[accumulatedSize], size)) |
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app_fatal(StrCat("Read failed:\n", file.error())); |
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WriteLE32(&data[i * 4], accumulatedSize); |
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#ifndef UNPACKED_MPQS |
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[[maybe_unused]] const uint16_t numLists = Cl2ToClx(&data[accumulatedSize], size, frameWidth); |
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assert(numLists == 0); |
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#endif |
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accumulatedSize += size; |
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} |
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return OwnedClxSpriteSheet { std::move(data), static_cast<uint16_t>(count) }; |
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} |
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inline OwnedClxSpriteList LoadCl2(const char *pszName, uint16_t width) |
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{ |
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return LoadCl2ListOrSheet(pszName, PointerOrValue<uint16_t> { width }).list(); |
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} |
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inline OwnedClxSpriteList LoadCl2(const char *pszName, const uint16_t *widths) |
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{ |
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return LoadCl2ListOrSheet(pszName, PointerOrValue<uint16_t> { widths }).list(); |
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} |
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inline OwnedClxSpriteSheet LoadCl2Sheet(const char *pszName, uint16_t width) |
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{ |
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return LoadCl2ListOrSheet(pszName, PointerOrValue<uint16_t> { width }).sheet(); |
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} |
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} // namespace devilution
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