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64 lines
2.1 KiB
64 lines
2.1 KiB
4 years ago
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#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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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<SFile, 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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files.emplace_back(filename);
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const size_t size = files[i].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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const PointerOrValue<uint16_t> frameWidth { width };
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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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if (!files[i].Read(&data[accumulatedSize], size))
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app_fatal(StrCat("Read failed: ", SDL_GetError()));
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WriteLE32(&data[i * 4], accumulatedSize);
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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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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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