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4e55168eaa
* git subrepo pull --force tools/ZAPD subrepo: subdir: "tools/ZAPD" merged: "094e79734" upstream: origin: "https://github.com/zeldaret/ZAPD.git" branch: "master" commit: "094e79734" git-subrepo: version: "0.4.6" origin: "https://github.com/ingydotnet/git-subrepo" commit: "110b9eb" * Add EnumData.xml where some names are now externalized * Remove legacy typedefs for zapd, no longer needed!
166 lines
6.5 KiB
C++
166 lines
6.5 KiB
C++
#pragma once
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#include <cinttypes>
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#include <cstdint>
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#include <cstdio>
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#include <cstring>
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#include <limits>
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#include <vector>
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#define ALIGN8(val) (((val) + 7) & ~7)
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#define ALIGN16(val) (((val) + 0xF) & ~0xF)
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#define ALIGN64(val) (((val) + 0x3F) & ~0x3F)
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#ifdef _MSC_VER
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#define __PRETTY_FUNCTION__ __FUNCSIG__
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#endif
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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 std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 0 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return (int8_t)data.at(offset + 0);
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}
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static inline uint8_t ToUInt8BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 0 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying an out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return (uint8_t)data.at(offset + 0);
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}
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static inline int16_t ToInt16BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 1 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint16_t)data.at(offset + 0) << 8) + (uint16_t)data.at(offset + 1);
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}
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static inline uint16_t ToUInt16BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 1 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint16_t)data.at(offset + 0) << 8) + (uint16_t)data.at(offset + 1);
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}
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static inline int32_t ToInt32BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 3 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint32_t)data.at(offset + 0) << 24) + ((uint32_t)data.at(offset + 1) << 16) +
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((uint32_t)data.at(offset + 2) << 8) + (uint32_t)data.at(offset + 3);
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}
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static inline uint32_t ToUInt32BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 3 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint32_t)data.at(offset + 0) << 24) + ((uint32_t)data.at(offset + 1) << 16) +
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((uint32_t)data.at(offset + 2) << 8) + (uint32_t)data.at(offset + 3);
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}
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static inline int64_t ToInt64BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 7 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint64_t)data.at(offset + 0) << 56) + ((uint64_t)data.at(offset + 1) << 48) +
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((uint64_t)data.at(offset + 2) << 40) + ((uint64_t)data.at(offset + 3) << 32) +
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((uint64_t)data.at(offset + 4) << 24) + ((uint64_t)data.at(offset + 5) << 16) +
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((uint64_t)data.at(offset + 6) << 8) + ((uint64_t)data.at(offset + 7));
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}
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static inline uint64_t ToUInt64BE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 7 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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return ((uint64_t)data.at(offset + 0) << 56) + ((uint64_t)data.at(offset + 1) << 48) +
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((uint64_t)data.at(offset + 2) << 40) + ((uint64_t)data.at(offset + 3) << 32) +
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((uint64_t)data.at(offset + 4) << 24) + ((uint64_t)data.at(offset + 5) << 16) +
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((uint64_t)data.at(offset + 6) << 8) + ((uint64_t)data.at(offset + 7));
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}
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static inline float ToFloatBE(const std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 3 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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float value;
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uint32_t floatData = ((uint32_t)data.at(offset + 0) << 24) +
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((uint32_t)data.at(offset + 1) << 16) +
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((uint32_t)data.at(offset + 2) << 8) + (uint32_t)data.at(offset + 3);
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static_assert(sizeof(uint32_t) == sizeof(float), "expected 32-bit 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 std::vector<uint8_t>& data, size_t offset)
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{
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if (offset + 7 > data.size())
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{
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fprintf(stderr, "%s\n", __PRETTY_FUNCTION__);
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fprintf(stderr, "Error: Trying a out-of-bounds reading from a data buffer\n");
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fprintf(stderr, "\t Buffer size: 0x%zX\n", data.size());
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fprintf(stderr, "\t Trying to read at offset: 0x%zX\n", offset);
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}
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double value;
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uint64_t floatData =
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((uint64_t)data.at(offset + 0) << 56) + ((uint64_t)data.at(offset + 1) << 48) +
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((uint64_t)data.at(offset + 2) << 40) + ((uint64_t)data.at(offset + 3) << 32) +
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((uint64_t)data.at(offset + 4) << 24) + ((uint64_t)data.at(offset + 5) << 16) +
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((uint64_t)data.at(offset + 6) << 8) + ((uint64_t)data.at(offset + 7));
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static_assert(sizeof(uint64_t) == sizeof(double), "expected 64-bit double");
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// Checks if the float format on the platform the ZAPD binary is running on supports the
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// same float format as the object file.
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static_assert(std::numeric_limits<double>::is_iec559,
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"expected IEC559 doubles on host machine");
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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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