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75 lines
1.6 KiB
75 lines
1.6 KiB
#pragma once |
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#include <cstdio> |
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#include <cstring> |
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#include "utils/endian.hpp" |
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namespace devilution { |
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template <typename T = uint8_t> |
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T ReadByte(FILE *stream) |
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{ |
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static_assert(sizeof(T) == 1, "invalid argument"); |
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char buf; |
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std::fread(&buf, sizeof(buf), 1, stream); |
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return static_cast<T>(buf); |
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} |
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template <typename T = uint16_t> |
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T ReadLE16(FILE *stream) |
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{ |
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static_assert(sizeof(T) == 2, "invalid argument"); |
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char buf[2]; |
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std::fread(buf, sizeof(buf), 1, stream); |
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return static_cast<T>(LoadLE16(buf)); |
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} |
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template <typename T = uint32_t> |
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T ReadLE32(FILE *stream) |
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{ |
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static_assert(sizeof(T) == 4, "invalid argument"); |
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char buf[4]; |
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std::fread(buf, sizeof(buf), 1, stream); |
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return static_cast<T>(LoadLE32(buf)); |
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} |
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inline float ReadLEFloat(FILE *stream) |
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{ |
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static_assert(sizeof(float) == sizeof(uint32_t), "invalid float size"); |
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const uint32_t val = ReadLE32(stream); |
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float result; |
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memcpy(&result, &val, sizeof(float)); |
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return result; |
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} |
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inline void WriteByte(FILE *out, uint8_t val) |
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{ |
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std::fwrite(&val, sizeof(val), 1, out); |
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} |
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inline void WriteLE16(FILE *out, uint16_t val) |
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{ |
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char data[2]; |
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WriteLE16(data, val); |
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std::fwrite(data, sizeof(data), 1, out); |
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} |
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inline void WriteLE32(FILE *out, uint32_t val) |
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{ |
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char data[4]; |
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WriteLE32(data, val); |
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std::fwrite(data, sizeof(data), 1, out); |
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} |
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inline void WriteLEFloat(FILE *out, float val) |
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{ |
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static_assert(sizeof(float) == sizeof(uint32_t), "invalid float size"); |
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uint32_t intVal; |
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memcpy(&intVal, &val, sizeof(uint32_t)); |
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char data[4]; |
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WriteLE32(data, intVal); |
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std::fwrite(data, sizeof(data), 1, out); |
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} |
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} // namespace devilution
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