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Fix bugs in VGA resource manager and cleanup

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svn-id: r24097
This commit is contained in:
Travis Howell 2006-10-03 13:20:23 +00:00
parent 09f9cf7b64
commit 1dc5670022
3 changed files with 54 additions and 46 deletions
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86
engines/agos/agos.cpp
View File

@ -274,6 +274,8 @@ AGOSEngine::AGOSEngine(OSystem *syst)
_vgaSpriteChanged = 0;
_block = 0;
_blockEnd = 0;
_vgaMemPtr = 0;
_vgaMemEnd = 0;
_vgaMemBase = 0;
@ -1370,16 +1372,22 @@ void AGOSEngine::loadZone(uint vga_res) {
if (vpe->vgaFile1 != NULL)
return;
vpe->vgaFile1 = loadVGAFile(vga_res * 2, 1, size);
vpe->vgaFile1End = vpe->vgaFile1 + size;
// Loading order is important
// due to resource managment
vpe->vgaFile2 = loadVGAFile(vga_res * 2 + 1, 2, size);
vpe->vgaFile2End = vpe->vgaFile2 + size;
loadVGAFile(vga_res * 2, 2, size);
vpe->vgaFile2 = _block;
vpe->vgaFile2End = _blockEnd;
loadVGAFile(vga_res * 2, 1, size);
vpe->vgaFile1 = _block;
vpe->vgaFile1End = _blockEnd;
vpe->sfxFile = NULL;
if (!(getFeatures() & GF_ZLIBCOMP)) {
vpe->sfxFile = loadVGAFile(vga_res * 2, 3, size);
vpe->sfxFileEnd = vpe->sfxFile + size;
loadVGAFile(vga_res * 2, 3, size);
vpe->sfxFile = _block;
vpe->sfxFileEnd = _blockEnd;
}
}
@ -1394,34 +1402,28 @@ void AGOSEngine::setZoneBuffers() {
}
byte *AGOSEngine::allocBlock(uint32 size) {
byte *block, *blockEnd;
int vgaMemSize = _vgaMemSize;
for (;;) {
_block = _vgaMemPtr;
_blockEnd = _block + size;
do {
block = _vgaMemPtr;
blockEnd = block + size;
if (blockEnd >= _vgaMemEnd) {
if (_blockEnd >= _vgaMemEnd) {
_vgaMemPtr = _vgaMemBase;
} else {
_rejectBlock = false;
checkNoOverWrite(blockEnd);
checkNoOverWrite();
if (_rejectBlock)
continue;
checkRunningAnims(blockEnd);
checkRunningAnims();
if (_rejectBlock)
continue;
checkZonePtrs(blockEnd);
_vgaMemPtr = blockEnd;
return block;
checkZonePtrs();
_vgaMemPtr = _blockEnd;
return _block;
}
debug(1, "allocBlock: size %d vgaMemSize %d", size, vgaMemSize);
} while (vgaMemSize--);
error("allocBlock: Couldn't find free block");
}
}
void AGOSEngine::checkNoOverWrite(byte *end) {
void AGOSEngine::checkNoOverWrite() {
VgaPointersEntry *vpe;
if (_noOverWrite == 0xFFFF)
@ -1430,21 +1432,21 @@ void AGOSEngine::checkNoOverWrite(byte *end) {
vpe = &_vgaBufferPointers[_noOverWrite];
if (getGameType() == GType_FF || getGameType() == GType_PP) {
if (vpe->vgaFile1 < end && vpe->vgaFile1End > _vgaMemPtr) {
if (vpe->vgaFile1 < _blockEnd && vpe->vgaFile1End > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile1End;
} else if (vpe->vgaFile2 < end && vpe->vgaFile2End > _vgaMemPtr) {
} else if (vpe->vgaFile2 < _blockEnd && vpe->vgaFile2End > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile2End;
} else if (vpe->sfxFile && vpe->sfxFile < end && vpe->sfxFileEnd > _vgaMemPtr) {
} else if (vpe->sfxFile && vpe->sfxFile < _blockEnd && vpe->sfxFileEnd > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->sfxFileEnd;
} else {
_rejectBlock = false;
}
} else {
if (_vgaMemPtr <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vgaMemPtr <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
if (_block <= vpe->vgaFile1 && _blockEnd >= vpe->vgaFile1 ||
_vgaMemPtr <= vpe->vgaFile2 && _blockEnd >= vpe->vgaFile2) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile1 + 0x5000;
} else {
@ -1453,40 +1455,40 @@ void AGOSEngine::checkNoOverWrite(byte *end) {
}
}
void AGOSEngine::checkRunningAnims(byte *end) {
void AGOSEngine::checkRunningAnims() {
VgaSprite *vsp;
if (getGameType() != GType_FF && getGameType() != GType_PP && (_lockWord & 0x20)) {
return;
}
for (vsp = _vgaSprites; vsp->id; vsp++) {
checkAnims(vsp->zoneNum, end);
checkAnims(vsp->zoneNum);
if (_rejectBlock == true)
return;
}
}
void AGOSEngine::checkAnims(uint a, byte *end) {
void AGOSEngine::checkAnims(uint a) {
VgaPointersEntry *vpe;
vpe = &_vgaBufferPointers[a];
if (getGameType() == GType_FF || getGameType() == GType_PP) {
if (vpe->vgaFile1 < end && vpe->vgaFile1End > _vgaMemPtr) {
if (vpe->vgaFile1 < _blockEnd && vpe->vgaFile1End > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile1End;
} else if (vpe->vgaFile2 < end && vpe->vgaFile2End > _vgaMemPtr) {
} else if (vpe->vgaFile2 < _blockEnd && vpe->vgaFile2End > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile2End;
} else if (vpe->sfxFile && vpe->sfxFile < end && vpe->sfxFileEnd > _vgaMemPtr) {
} else if (vpe->sfxFile && vpe->sfxFile < _blockEnd && vpe->sfxFileEnd > _block) {
_rejectBlock = true;
_vgaMemPtr = vpe->sfxFileEnd;
} else {
_rejectBlock = false;
}
} else {
if (_vgaMemPtr <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vgaMemPtr <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
if (_block <= vpe->vgaFile1 && _blockEnd >= vpe->vgaFile1 ||
_block <= vpe->vgaFile2 && _blockEnd >= vpe->vgaFile2) {
_rejectBlock = true;
_vgaMemPtr = vpe->vgaFile1 + 0x5000;
} else {
@ -1495,14 +1497,14 @@ void AGOSEngine::checkAnims(uint a, byte *end) {
}
}
void AGOSEngine::checkZonePtrs(byte *end) {
void AGOSEngine::checkZonePtrs() {
uint count = ARRAYSIZE(_vgaBufferPointers);
VgaPointersEntry *vpe = _vgaBufferPointers;
do {
if (getGameType() == GType_FF || getGameType() == GType_PP) {
if (vpe->vgaFile1 < end && vpe->vgaFile1End > _vgaMemPtr ||
vpe->vgaFile2 < end && vpe->vgaFile2End > _vgaMemPtr ||
vpe->sfxFile < end && vpe->sfxFileEnd > _vgaMemPtr) {
if (vpe->vgaFile1 < _blockEnd && vpe->vgaFile1End > _block ||
vpe->vgaFile2 < _blockEnd && vpe->vgaFile2End > _block ||
vpe->sfxFile < _blockEnd && vpe->sfxFileEnd > _block) {
vpe->vgaFile1 = NULL;
vpe->vgaFile1End = NULL;
vpe->vgaFile2 = NULL;
@ -1511,8 +1513,8 @@ void AGOSEngine::checkZonePtrs(byte *end) {
vpe->sfxFileEnd = NULL;
}
} else {
if (_vgaMemPtr <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vgaMemPtr <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
if (_block <= vpe->vgaFile1 && _blockEnd >= vpe->vgaFile1 ||
_block <= vpe->vgaFile2 && _blockEnd >= vpe->vgaFile2) {
vpe->vgaFile1 = NULL;
vpe->vgaFile2 = NULL;
}

9
engines/agos/agos.h
View File

@ -382,6 +382,7 @@ protected:
uint _vgaSpriteChanged;
byte *_block, *_blockEnd;
byte *_vgaMemPtr, *_vgaMemEnd, *_vgaMemBase;
byte *_vgaFrozenBase, *_vgaRealBase;
byte *_zoneBuffers;
@ -746,10 +747,10 @@ protected:
void renderString(uint vga_sprite_id, uint color, uint width, uint height, const char *txt);
byte *allocBlock(uint32 size);
void checkNoOverWrite(byte *end);
void checkRunningAnims(byte *end);
void checkAnims(uint a, byte *end);
void checkZonePtrs(byte *end);
void checkNoOverWrite();
void checkRunningAnims();
void checkAnims(uint a);
void checkZonePtrs();
void setZoneBuffers();
void runVgaScript();

5
engines/agos/res.cpp
View File

@ -605,6 +605,10 @@ byte *AGOSEngine::loadVGAFile(uint id, uint type, uint32 &dstSize) {
uint32 file, offs, srcSize;
uint extraBuffer = 0;
if (getGameType() == GType_PP) {
_sound->stopVoice();
}
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
// !!! HACK !!!
// Allocate more space for text to cope with foreign languages that use
@ -666,6 +670,7 @@ byte *AGOSEngine::loadVGAFile(uint id, uint type, uint32 &dstSize) {
}
in.close();
} else {
id += (type - 1);
offs = _gameOffsetsPtr[id];
dstSize = _gameOffsetsPtr[id + 1] - offs;