mirror of
https://github.com/hedge-dev/UnleashedRecomp.git
synced 2025-12-31 00:10:26 -06:00
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
#pragma once
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#ifdef _MSVC
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#define SWA_DLLEXPORT __declspec(dllexport)
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#define SWA_DLLIMPORT __declspec(dllimport)
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#else
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#define SWA_DLLEXPORT __attribute__((dllexport))
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#define SWA_DLLIMPORT __attribute__((dllimport))
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#endif
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#ifdef SWA_IMPL
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#define SWA_API extern "C" SWA_DLLEXPORT
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#else
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#define SWA_API extern "C" SWA_DLLIMPORT
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#endif
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#define PROC_ADDRESS(libraryName, procName) \
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GetProcAddress(LoadLibrary(TEXT(libraryName)), procName)
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#define LIB_FUNCTION(returnType, libraryName, procName, ...) \
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typedef returnType _##procName(__VA_ARGS__); \
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_##procName* procName = (_##procName*)PROC_ADDRESS(libraryName, #procName);
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template<typename T>
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inline void ByteSwap(T& value)
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{
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value = std::byteswap(value);
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}
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template<typename T>
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inline T RoundUp(const T& in_rValue, uint32_t in_round)
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{
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return (in_rValue + in_round - 1) & ~(in_round - 1);
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}
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template<typename T>
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inline T RoundDown(const T& in_rValue, uint32_t in_round)
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{
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return in_rValue & ~(in_round - 1);
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}
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inline bool FileExists(const char* path)
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{
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const auto attributes = GetFileAttributesA(path);
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return attributes != INVALID_FILE_ATTRIBUTES && !(attributes & FILE_ATTRIBUTE_DIRECTORY);
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}
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inline bool DirectoryExists(const char* path)
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{
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const auto attributes = GetFileAttributesA(path);
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return attributes != INVALID_FILE_ATTRIBUTES && !!(attributes & FILE_ATTRIBUTE_DIRECTORY);
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}
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inline size_t StringHash(const std::string_view& str)
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{
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return XXH3_64bits(str.data(), str.size());
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}
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template<typename TValue>
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constexpr size_t FirstBitLow(TValue value)
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{
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constexpr size_t nbits = sizeof(TValue) * 8;
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constexpr auto zero = TValue{};
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constexpr auto one = static_cast<TValue>(1);
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for (size_t i = 0; i < nbits; i++)
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{
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if ((value & (one << i)) != zero)
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{
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return i;
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}
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}
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return 0;
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}
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inline std::unique_ptr<uint8_t[]> ReadAllBytes(const char* filePath, size_t& fileSize)
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{
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FILE* file = fopen(filePath, "rb");
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if (!file)
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return std::make_unique<uint8_t[]>(0);
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fseek(file, 0, SEEK_END);
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fileSize = ftell(file);
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fseek(file, 0, SEEK_SET);
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auto data = std::make_unique<uint8_t[]>(fileSize);
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fread(data.get(), 1, fileSize, file);
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fclose(file);
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return data;
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}
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