void ResourceContext_RES::processPatches(Resource *resource, const GamePatchDescription *patchFiles) {
uint16 subjectResourceType;
ResourceContext *subjectContext;
uint32 subjectResourceId;
uint32 patchResourceId;
ResourceData *subjectResourceData;
ResourceData *resourceData;
// Process internal patch files
if (_fileType & GAME_PATCHFILE) {
subjectResourceType = ~GAME_PATCHFILE & _fileType;
subjectContext = resource->getContext((GameFileTypes)subjectResourceType);
if (subjectContext == NULL) {
error("ResourceContext::load() Subject context not found");
}
ByteArray tableBuffer;
resource->loadResource(this, _table.size() - 1, tableBuffer);
ByteArrayReadStreamEndian readS2(tableBuffer, _isBigEndian);
for (uint32 i = 0; i < tableBuffer.size() / 8; i++) {
subjectResourceId = readS2.readUint32();
patchResourceId = readS2.readUint32();
subjectResourceData = subjectContext->getResourceData(subjectResourceId);
resourceData = getResourceData(patchResourceId);
subjectResourceData->patchData = new PatchData(&_file, _fileName);
subjectResourceData->offset = resourceData->offset;
subjectResourceData->size = resourceData->size;
}
}
}
void Sprite::loadList(int resourceId, SpriteList &spriteList) {
SpriteInfo *spriteInfo;
byte *spriteListData = 0;
size_t spriteListLength = 0;
uint16 oldSpriteCount;
uint16 newSpriteCount;
uint16 spriteCount;
int i;
int outputLength, inputLength;
uint32 offset;
const byte *spritePointer;
const byte *spriteDataPointer;
_vm->_resource->loadResource(_spriteContext, resourceId, spriteListData, spriteListLength);
if (spriteListLength == 0) {
return;
}
MemoryReadStreamEndian readS(spriteListData, spriteListLength, _spriteContext->isBigEndian);
spriteCount = readS.readUint16();
debug(9, "Sprites: %d", spriteCount);
oldSpriteCount = spriteList.spriteCount;
newSpriteCount = spriteList.spriteCount + spriteCount;
spriteList.infoList = (SpriteInfo *)realloc(spriteList.infoList, newSpriteCount * sizeof(*spriteList.infoList));
if (spriteList.infoList == NULL) {
memoryError("Sprite::loadList");
}
spriteList.spriteCount = newSpriteCount;
bool bigHeader = _vm->getGameId() == GID_IHNM || _vm->isMacResources();
for (i = oldSpriteCount; i < spriteList.spriteCount; i++) {
spriteInfo = &spriteList.infoList[i];
if (bigHeader)
offset = readS.readUint32();
else
offset = readS.readUint16();
if (offset >= spriteListLength) {
// ITE Mac demos throw this warning
warning("Sprite::loadList offset exceeded");
spriteList.spriteCount = i;
return;
}
spritePointer = spriteListData;
spritePointer += offset;
if (bigHeader) {
MemoryReadStreamEndian readS2(spritePointer, 8, _spriteContext->isBigEndian);
spriteInfo->xAlign = readS2.readSint16();
spriteInfo->yAlign = readS2.readSint16();
spriteInfo->width = readS2.readUint16();
spriteInfo->height = readS2.readUint16();
spriteDataPointer = spritePointer + readS2.pos();
} else {
MemoryReadStreamEndian readS2(spritePointer, 4);
spriteInfo->xAlign = readS2.readSByte();
spriteInfo->yAlign = readS2.readSByte();
spriteInfo->width = readS2.readByte();
spriteInfo->height = readS2.readByte();
spriteDataPointer = spritePointer + readS2.pos();
}
outputLength = spriteInfo->width * spriteInfo->height;
inputLength = spriteListLength - (spriteDataPointer - spriteListData);
decodeRLEBuffer(spriteDataPointer, inputLength, outputLength);
spriteInfo->decodedBuffer = (byte *) malloc(outputLength);
if (spriteInfo->decodedBuffer == NULL) {
memoryError("Sprite::loadList");
}
#ifdef ENABLE_IHNM
// IHNM sprites are upside-down, for reasons which i can only
// assume are perverse. To simplify things, flip them now. Not
// at drawing time.
if (_vm->getGameId() == GID_IHNM) {
byte *src = _decodeBuf + spriteInfo->width * (spriteInfo->height - 1);
byte *dst = spriteInfo->decodedBuffer;
for (int j = 0; j < spriteInfo->height; j++) {
memcpy(dst, src, spriteInfo->width);
src -= spriteInfo->width;
dst += spriteInfo->width;
}
} else
#endif
memcpy(spriteInfo->decodedBuffer, _decodeBuf, outputLength);
}
free(spriteListData);
}
void Sprite::loadList(int resourceId, SpriteList &spriteList) {
SpriteInfo *spriteInfo;
ByteArray spriteListData;
uint16 oldSpriteCount;
uint16 newSpriteCount;
uint16 spriteCount;
uint i;
int outputLength, inputLength;
uint32 offset;
const byte *spritePointer;
const byte *spriteDataPointer;
_vm->_resource->loadResource(_spriteContext, resourceId, spriteListData);
if (spriteListData.empty()) {
return;
}
ByteArrayReadStreamEndian readS(spriteListData, _spriteContext->isBigEndian());
spriteCount = readS.readUint16();
debug(9, "Sprites: %d", spriteCount);
oldSpriteCount = spriteList.size();
newSpriteCount = oldSpriteCount + spriteCount;
spriteList.resize(newSpriteCount);
bool bigHeader = _vm->getGameId() == GID_IHNM || _vm->isMacResources();
for (i = oldSpriteCount; i < spriteList.size(); i++) {
spriteInfo = &spriteList[i];
if (bigHeader)
offset = readS.readUint32();
else
offset = readS.readUint16();
if (offset >= spriteListData.size()) {
// ITE Mac demos throw this warning
warning("Sprite::loadList offset exceeded");
spriteList.resize(i);
return;
}
spritePointer = spriteListData.getBuffer();
spritePointer += offset;
if (bigHeader) {
Common::MemoryReadStreamEndian readS2(spritePointer, 8, _spriteContext->isBigEndian());
spriteInfo->xAlign = readS2.readSint16();
spriteInfo->yAlign = readS2.readSint16();
spriteInfo->width = readS2.readUint16();
spriteInfo->height = readS2.readUint16();
spriteDataPointer = spritePointer + readS2.pos();
} else {
Common::MemoryReadStreamEndian readS2(spritePointer, 4, false);
spriteInfo->xAlign = readS2.readSByte();
spriteInfo->yAlign = readS2.readSByte();
spriteInfo->width = readS2.readByte();
spriteInfo->height = readS2.readByte();
spriteDataPointer = spritePointer + readS2.pos();
}
outputLength = spriteInfo->width * spriteInfo->height;
inputLength = spriteListData.size() - (spriteDataPointer - spriteListData.getBuffer());
spriteInfo->decodedBuffer.resize(outputLength);
if (outputLength > 0) {
decodeRLEBuffer(spriteDataPointer, inputLength, outputLength);
byte *dst = &spriteInfo->decodedBuffer.front();
#ifdef ENABLE_IHNM
// IHNM sprites are upside-down, for reasons which i can only
// assume are perverse. To simplify things, flip them now. Not
// at drawing time.
if (_vm->getGameId() == GID_IHNM) {
byte *src = &_decodeBuf[spriteInfo->width * (spriteInfo->height - 1)];
for (int j = 0; j < spriteInfo->height; j++) {
memcpy(dst, src, spriteInfo->width);
src -= spriteInfo->width;
dst += spriteInfo->width;
}
} else
#endif
memcpy(dst, &_decodeBuf.front(), outputLength);
}
}
}
