Port HuSprAnimRead
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dbalatoni13
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c54fd002ec
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3b31d9fcfc
10 changed files with 454 additions and 16 deletions
352
src/port/byteswap.cpp
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352
src/port/byteswap.cpp
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#include <cassert>
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#include <cstdio>
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#include <cstdlib>
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#include <dolphin.h>
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#include <ext_math.h>
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#include <unordered_set>
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extern "C"
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{
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#include "port/byteswap.h"
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typedef struct AnimData32b {
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s16 bankNum;
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s16 patNum;
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s16 bmpNum;
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s16 useNum;
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u32 bank;
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u32 pat;
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u32 bmp;
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} AnimData32b;
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typedef struct AnimBankData32b {
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s16 timeNum;
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s16 unk;
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u32 frame;
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} AnimBankData32b;
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typedef struct AnimPatData32b {
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s16 layerNum;
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s16 centerX;
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s16 centerY;
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s16 sizeX;
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s16 sizeY;
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u32 layer;
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} AnimPatData32b;
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typedef struct AnimBmpData32b {
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u8 pixSize;
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u8 dataFmt;
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s16 palNum;
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s16 sizeX;
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s16 sizeY;
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u32 dataSize;
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u32 palData;
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u32 data;
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} AnimBmpData32b;
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}
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template <typename T> [[nodiscard]] constexpr T bswap16(T val) noexcept
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{
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static_assert(sizeof(T) == sizeof(u16));
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union {
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u16 u;
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T t;
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} v{.t = val};
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#if __GNUC__
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v.u = __builtin_bswap16(v.u);
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#elif _WIN32
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v.u = _byteswap_ushort(v.u);
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#else
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v.u = (v.u << 8) | ((v.u >> 8) & 0xFF);
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#endif
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return v.t;
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}
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template <typename T> [[nodiscard]] constexpr T bswap32(T val) noexcept
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{
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static_assert(sizeof(T) == sizeof(u32));
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union {
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u32 u;
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T t;
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} v{.t = val};
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#if __GNUC__
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v.u = __builtin_bswap32(v.u);
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#elif _WIN32
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v.u = _byteswap_ulong(v.u);
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#else
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v.u = ((v.u & 0x0000FFFF) << 16) | ((v.u & 0xFFFF0000) >> 16) | ((v.u & 0x00FF00FF) << 8) |
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((v.u & 0xFF00FF00) >> 8);
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#endif
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return v.t;
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}
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static void bswap16_unaligned(u8 *ptr)
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{
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u8 temp = ptr[0];
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ptr[0] = ptr[1];
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ptr[1] = temp;
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}
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static void bswap32_unaligned(u8 *ptr)
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{
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u8 temp = ptr[0];
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ptr[0] = ptr[3];
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ptr[3] = temp;
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temp = ptr[1];
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ptr[1] = ptr[2];
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ptr[2] = temp;
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}
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static std::unordered_set<void *> sVisitedPtrs;
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template <typename B, typename T> T *offset_ptr(B &base, T *ptr)
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{
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return reinterpret_cast<T *>(reinterpret_cast<uintptr_t>(&base) +
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reinterpret_cast<uintptr_t>(ptr));
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}
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template <typename B, typename T> T *offset_ptr(B &base, T *ptr, void *extra)
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{
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return reinterpret_cast<T *>(reinterpret_cast<uintptr_t>(&base) +
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reinterpret_cast<uintptr_t>(ptr) +
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reinterpret_cast<uintptr_t>(extra));
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}
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template <typename B, typename T> static inline void bswap(B &base, T &data);
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template <typename B, typename P> void bswap(B &base, P *&ptr)
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{
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ptr = bswap32(ptr);
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}
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template <typename B, typename T> void bswap(B &base, T *&ptr, s32 count)
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{
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ptr = bswap32(ptr);
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if (ptr == nullptr)
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{
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return;
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}
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T *objBase = offset_ptr(base, ptr);
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for (s32 i = 0; i < count; ++i)
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{
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if (sVisitedPtrs.contains(objBase))
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{
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continue;
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}
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sVisitedPtrs.insert(objBase);
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bswap(base, *objBase);
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++objBase;
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}
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}
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template <typename B, typename T> void bswap_list(B &base, T **&ptr)
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{
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ptr = bswap32(ptr);
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if (ptr == nullptr)
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{
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return;
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}
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T **objBase = offset_ptr(base, ptr);
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while (*objBase != nullptr)
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{
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bswap(base, *objBase, 1);
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++objBase;
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}
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}
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template <typename B, typename T> void bswap_list(B &base, T *(&ptr)[])
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{
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T **objBase = ptr;
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while (*objBase != nullptr)
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{
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bswap(base, *objBase, 1);
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++objBase;
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}
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}
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template <typename B, typename T> void bswap_flat(B &base, T *start, s32 count)
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{
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T *objBase = start;
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for (s32 i = 0; i < count; ++i)
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{
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bswap(base, objBase[i]);
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}
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}
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template <typename B> void bswap(B &base, f32 &v)
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{
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v = bswap32(v);
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}
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template <typename B> void bswap(B &base, s32 &v)
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{
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v = bswap32(v);
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}
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template <typename B> void bswap(B &base, u32 &v)
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{
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v = bswap32(v);
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}
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template <typename B> void bswap(B &base, s16 &v)
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{
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v = bswap16(v);
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}
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template <typename B> void bswap(B &base, u16 &v)
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{
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v = bswap16(v);
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}
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template <typename B> void bswap(B &base, u8 &v)
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{
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// no-op
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}
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template <typename B> void bswap(B &base, s8 &v)
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{
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// no-op
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}
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template <typename B> void bswap(B &base, char &v)
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{
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// no-op
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}
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template <typename B> void bswap(B &base, Vec &vec)
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{
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bswap(base, vec.x);
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bswap(base, vec.y);
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bswap(base, vec.z);
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}
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template <typename B> void bswap(B &base, S16Vec &vec)
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{
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bswap(base, vec.x);
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bswap(base, vec.y);
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bswap(base, vec.z);
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}
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template <typename B> void bswap(B &base, Vec2f &vec)
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{
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bswap(base, vec.x);
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bswap(base, vec.y);
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}
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template <typename B> void bswap(B &base, AnimData32b &obj, AnimData &dest)
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{
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bswap(base, obj.bankNum);
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bswap(base, obj.patNum);
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bswap(base, obj.bmpNum);
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bswap(base, obj.useNum);
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bswap(base, obj.bank);
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bswap(base, obj.pat);
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bswap(base, obj.bmp);
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dest.bankNum = obj.bankNum;
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dest.patNum = obj.patNum;
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dest.bmpNum = obj.bmpNum;
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dest.useNum = obj.useNum;
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dest.bank = reinterpret_cast<AnimBankData *>(obj.bank);
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dest.pat = reinterpret_cast<AnimPatData *>(obj.pat);
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dest.bmp = reinterpret_cast<AnimBmpData *>(obj.bmp);
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}
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template <typename B> void bswap(B &base, AnimBankData32b &obj, AnimBankData &dest)
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{
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bswap(base, obj.timeNum);
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bswap(base, obj.unk);
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bswap(base, obj.frame);
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dest.timeNum = obj.timeNum;
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dest.unk = obj.unk;
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dest.frame = reinterpret_cast<AnimFrameData *>(obj.frame);
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}
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template <typename B> void bswap(B &base, AnimPatData32b &obj, AnimPatData &dest)
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{
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bswap(base, obj.layerNum);
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bswap(base, obj.centerX);
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bswap(base, obj.centerY);
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bswap(base, obj.sizeX);
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bswap(base, obj.sizeY);
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bswap(base, obj.layer);
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dest.layerNum = obj.layerNum;
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dest.centerX = obj.centerX;
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dest.centerY = obj.centerY;
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dest.sizeX = obj.sizeX;
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dest.sizeY = obj.sizeY;
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dest.layer = reinterpret_cast<AnimLayerData *>(obj.layer);
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}
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template <typename B> void bswap(B &base, AnimBmpData32b &obj, AnimBmpData &dest)
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{
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bswap(base, obj.pixSize);
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bswap(base, obj.dataFmt);
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bswap(base, obj.palNum);
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bswap(base, obj.sizeX);
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bswap(base, obj.sizeY);
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bswap(base, obj.dataSize);
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bswap(base, obj.palData);
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bswap(base, obj.data);
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dest.pixSize = obj.pixSize;
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dest.dataFmt = obj.dataFmt;
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dest.palNum = obj.palNum;
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dest.sizeX = obj.sizeX;
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dest.sizeY = obj.sizeY;
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dest.dataSize = obj.dataSize;
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dest.palData = reinterpret_cast<void *>(obj.palData);
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dest.data = reinterpret_cast<void *>(obj.data);
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}
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template <typename B> void bswap(B &base, AnimFrameData &obj)
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{
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bswap(base, obj.pat);
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bswap(base, obj.time);
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bswap(base, obj.shiftX);
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bswap(base, obj.shiftY);
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bswap(base, obj.flip);
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bswap(base, obj.pad);
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}
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template <typename B> void bswap(B &base, AnimLayerData &obj)
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{
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bswap(base, obj.alpha);
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bswap(base, obj.flip);
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bswap(base, obj.bmpNo);
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bswap(base, obj.startX);
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bswap(base, obj.startY);
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bswap(base, obj.sizeX);
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bswap(base, obj.sizeY);
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bswap(base, obj.shiftX);
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bswap(base, obj.shiftY);
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bswap_flat(base, obj.vtx, sizeof(obj.vtx) / sizeof(s16));
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}
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void byteswap_animdata(void *src, AnimData *dest)
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{
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auto *anim = reinterpret_cast<AnimData32b *>(src);
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bswap(*anim, *anim, *dest);
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sVisitedPtrs.clear();
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}
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void byteswap_animbankdata(void *src, AnimBankData *dest)
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{
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auto *bank = reinterpret_cast<AnimBankData32b *>(src);
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bswap(*bank, *bank, *dest);
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sVisitedPtrs.clear();
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}
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void byteswap_animpatdata(void *src, AnimPatData *dest)
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{
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auto *pat = reinterpret_cast<AnimPatData32b *>(src);
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bswap(*pat, *pat, *dest);
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sVisitedPtrs.clear();
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}
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void byteswap_animbmpdata(void *src, AnimBmpData *dest)
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{
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auto *bmp = reinterpret_cast<AnimBmpData32b *>(src);
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bswap(*bmp, *bmp, *dest);
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sVisitedPtrs.clear();
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}
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void byteswap_animframedata(AnimFrameData *src)
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{
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bswap(*src, *src);
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sVisitedPtrs.clear();
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}
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void byteswap_animlayerdata(AnimLayerData *src)
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{
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bswap(*src, *src);
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sVisitedPtrs.clear();
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}
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