mirror of
https://github.com/zeldaret/oot
synced 2026-09-12 20:36:10 -04:00
fig02
1ff2f0f849
* remove roompoly * git subrepo pull --force tools/ZAPD subrepo: subdir: "tools/ZAPD" merged: "fd4d53a26" upstream: origin: "https://github.com/zeldaret/ZAPD.git" branch: "master" commit: "fd4d53a26" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
130 lines
5.6 KiB
C++
130 lines
5.6 KiB
C++
#pragma once
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#include <limits>
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#include <stdint.h>
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#include <vector>
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class BitConverter
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{
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public:
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static inline int8_t ToInt8BE(const uint8_t* data, int offset)
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{
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return (uint8_t)data[offset + 0];
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}
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static inline int8_t ToInt8BE(const std::vector<uint8_t>& data, int offset)
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{
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return (uint8_t)data[offset + 0];
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}
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static inline uint8_t ToUInt8BE(const uint8_t* data, int offset)
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{
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return (uint8_t)data[offset + 0];
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}
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static inline uint8_t ToUInt8BE(const std::vector<uint8_t>& data, int offset)
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{
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return (uint8_t)data[offset + 0];
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}
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static inline int16_t ToInt16BE(const uint8_t* data, int offset)
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{
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return ((uint16_t)data[offset + 0] << 8) + (uint16_t)data[offset + 1];
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}
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static inline int16_t ToInt16BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint16_t)data[offset + 0] << 8) + (uint16_t)data[offset + 1];
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}
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static inline uint16_t ToUInt16BE(const uint8_t* data, int offset)
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{
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return ((uint16_t)data[offset + 0] << 8) + (uint16_t)data[offset + 1];
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}
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static inline uint16_t ToUInt16BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint16_t)data[offset + 0] << 8) + (uint16_t)data[offset + 1];
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}
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static inline int32_t ToInt32BE(const uint8_t* data, int offset)
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{
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return ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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}
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static inline int32_t ToInt32BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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}
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static inline uint32_t ToUInt32BE(const uint8_t* data, int offset)
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{
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return ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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}
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static inline uint32_t ToUInt32BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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}
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static inline int64_t ToInt64BE(const uint8_t* data, int offset)
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{
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return ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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}
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static inline int64_t ToInt64BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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}
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static inline uint64_t ToUInt64BE(const uint8_t* data, int offset)
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{
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return ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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}
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static inline uint64_t ToUInt64BE(const std::vector<uint8_t>& data, int offset)
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{
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return ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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}
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static inline float ToFloatBE(const uint8_t* data, int offset)
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{
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float value;
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uint32_t floatData = ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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static_assert(sizeof(uint32_t) == sizeof(float));
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std::memcpy(&value, &floatData, sizeof(value));
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return value;
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}
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static inline float ToFloatBE(const std::vector<uint8_t>& data, int offset)
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{
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float value;
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uint32_t floatData = ((uint32_t)data[offset + 0] << 24) + ((uint32_t)data[offset + 1] << 16) + ((uint32_t)data[offset + 2] << 8) + (uint32_t)data[offset + 3];
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static_assert(sizeof(uint32_t) == sizeof(float));
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std::memcpy(&value, &floatData, sizeof(value));
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return value;
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}
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static inline double ToDoubleBE(const uint8_t* data, int offset)
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{
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double value;
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uint64_t floatData = ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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static_assert(sizeof(uint64_t) == sizeof(double));
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// Checks if the float format on the platform the ZAPD binary is running on supports the same float format as the object file.
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static_assert(std::numeric_limits<float>::is_iec559);
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std::memcpy(&value, &floatData, sizeof(value));
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return value;
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}
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static inline double ToDoubleBE(const std::vector<uint8_t>& data, int offset)
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{
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double value;
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uint64_t floatData = ((uint64_t)data[offset + 0] << 56) + ((uint64_t)data[offset + 1] << 48) + ((uint64_t)data[offset + 2] << 40) + ((uint64_t)data[offset + 3] << 32) + ((uint64_t)data[offset + 4] << 24) + ((uint64_t)data[offset + 5] << 16) + ((uint64_t)data[offset + 6] << 8) + ((uint64_t)data[offset + 7]);
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static_assert(sizeof(uint64_t) == sizeof(double));
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// Checks if the float format on the platform the ZAPD binary is running on supports the same float format as the object file.
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static_assert(std::numeric_limits<double>::is_iec559);
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std::memcpy(&value, &floatData, sizeof(value));
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return value;
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}
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};
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