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- Blood: Parse the values of the QAV files instead of casting the binary data so we can extend the struct.

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This commit is contained in:
Mitchell Richters 2021-08-18 20:00:15 +10:00
parent 4a70f6efd0
commit 502b76af70
2 changed files with 41 additions and 38 deletions
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75
source/games/blood/src/qav.cpp
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@ -222,37 +222,6 @@ void QAV::Precache(int palette)
}
void ByteSwapQAV(void* p)
{
#if B_BIG_ENDIAN == 1
QAV* qav = (QAV*)p;
qav->nFrames = LittleLong(qav->nFrames);
qav->ticksPerFrame = LittleLong(qav->ticksPerFrame);
qav->version = LittleLong(qav->version);
qav->x = LittleLong(qav->x);
qav->y = LittleLong(qav->y);
qav->nSprite = LittleLong(qav->nSprite);
for (int i = 0; i < qav->nFrames; i++)
{
FRAMEINFO* pFrame = &qav->frames[i];
SOUNDINFO* pSound = &pFrame->sound;
pFrame->nCallbackId = LittleLong(pFrame->nCallbackId);
pSound->sound = LittleLong(pSound->sound);
for (int j = 0; j < 8; j++)
{
TILE_FRAME* pTile = &pFrame->tiles[j];
pTile->picnum = LittleLong(pTile->picnum);
pTile->x = LittleLong(pTile->x);
pTile->y = LittleLong(pTile->y);
pTile->z = LittleLong(pTile->z);
pTile->stat = LittleLong(pTile->stat);
pTile->angle = LittleShort(pTile->angle);
}
}
#endif
}
// This is to eliminate a huge design issue in NBlood that was apparently copied verbatim from the DOS-Version.
// Sequences were cached in the resource and directly returned from there in writable form, with byte swapping directly performed in the cache on Big Endian systems.
// To avoid such unsafe operations this caches the read data separately.
@ -269,10 +238,48 @@ QAV* getQAV(int res_id)
return nullptr;
}
auto fr = fileSystem.OpenFileReader(index);
auto qavdata = (QAV*)seqcache.Alloc(fr.GetLength());
fr.Read(qavdata, fr.GetLength());
// Start reading QAV for nFrames, skipping padded data.
for (int i = 0; i < 8; i++) fr.ReadUInt8();
int nFrames = fr.ReadInt32();
auto qavdata = (QAV*)seqcache.Alloc(sizeof(QAV) + ((nFrames - 1) * sizeof(FRAMEINFO)));
// Write out QAV data.
qavdata->nFrames = nFrames;
qavdata->ticksPerFrame = fr.ReadInt32();
qavdata->duration = fr.ReadInt32();
qavdata->x = fr.ReadInt32();
qavdata->y = fr.ReadInt32();
qavdata->nSprite = fr.ReadInt32();
for (int i = 0; i < 4; i++) fr.ReadUInt8();
// Read FRAMEINFO data.
for (int i = 0; i < qavdata->nFrames; i++)
{
qavdata->frames[i].nCallbackId = fr.ReadInt32();
// Read SOUNDINFO data.
qavdata->frames[i].sound.sound = fr.ReadInt32();
qavdata->frames[i].sound.priority = fr.ReadUInt8();
qavdata->frames[i].sound.sndFlags = fr.ReadUInt8();
qavdata->frames[i].sound.sndRange = fr.ReadUInt8();
for (int i = 0; i < 1; i++) fr.ReadUInt8();
// Read TILE_FRAME data.
for (int j = 0; j < 8; j++)
{
qavdata->frames[i].tiles[j].picnum = fr.ReadInt32();
qavdata->frames[i].tiles[j].x = fr.ReadInt32();
qavdata->frames[i].tiles[j].y = fr.ReadInt32();
qavdata->frames[i].tiles[j].z = fr.ReadInt32();
qavdata->frames[i].tiles[j].stat = fr.ReadInt32();
qavdata->frames[i].tiles[j].shade = fr.ReadInt8();
qavdata->frames[i].tiles[j].palnum = fr.ReadUInt8();
qavdata->frames[i].tiles[j].angle = fr.ReadUInt16();
}
}
qavcache.Insert(res_id, qavdata);
ByteSwapQAV(qavdata);
return qavdata;
}

4
source/games/blood/src/qav.h
View file

@ -29,8 +29,6 @@ BEGIN_BLD_NS
enum { kQavOrientationLeft = 4096 };
#pragma pack(push, 1)
// by NoOne: add sound flags
enum
{
@ -86,8 +84,6 @@ struct QAV
void Precache(int palette = 0);
};
#pragma pack(pop)
QAV* getQAV(int res_id);
END_BLD_NS