void TPC::fixupCubeMap() {
/* Do various fixups to the cube maps. This includes rotating and swapping a
* few sides around. This is done by the original games as well.
*/
if (!isCubeMap())
return;
for (size_t j = 0; j < getMipMapCount(); j++) {
assert(getLayerCount() > 0);
const size_t index0 = 0 * getMipMapCount() + j;
assert(index0 < _mipMaps.size());
const int32 width = _mipMaps[index0]->width;
const int32 height = _mipMaps[index0]->height;
const uint32 size = _mipMaps[index0]->size;
for (size_t i = 1; i < getLayerCount(); i++) {
const size_t index = i * getMipMapCount() + j;
assert(index < _mipMaps.size());
if ((width != _mipMaps[index]->width ) ||
(height != _mipMaps[index]->height) ||
(size != _mipMaps[index]->size ))
throw Common::Exception("Cube map layer dimensions mismatch");
}
}
// Since we need to rotate the individual cube sides, we need to decompress them all
decompress();
// Rotate the cube sides so that they're all oriented correctly
for (size_t i = 0; i < getLayerCount(); i++) {
for (size_t j = 0; j < getMipMapCount(); j++) {
const size_t index = i * getMipMapCount() + j;
assert(index < _mipMaps.size());
MipMap &mipMap = *_mipMaps[index];
static const int rotation[6] = { 3, 1, 0, 2, 2, 0 };
rotate90(mipMap.data, mipMap.width, mipMap.height, getBPP(_format), rotation[i]);
}
}
// Swap the first two sides of the cube maps
for (size_t j = 0; j < getMipMapCount(); j++) {
const size_t index0 = 0 * getMipMapCount() + j;
const size_t index1 = 1 * getMipMapCount() + j;
assert((index0 < _mipMaps.size()) && (index1 < _mipMaps.size()));
MipMap &mipMap0 = *_mipMaps[index0];
MipMap &mipMap1 = *_mipMaps[index1];
SWAP(mipMap0.data, mipMap1.data);
}
}
const ImageDecoder::MipMap &ImageDecoder::getMipMap(size_t mipMap, size_t layer) const {
assert(layer < _layerCount);
assert((_mipMaps.size() % _layerCount) == 0);
const size_t index = layer * getMipMapCount() + mipMap;
assert(index < _mipMaps.size());
return *_mipMaps[index];
}
void TPC::fixupCubeMap() {
/* Do various fixups to the cube maps. This includes rotating and swapping a
* few sides around. This is done by the original games as well.
*/
if (!isCubeMap())
return;
// Since we need to rotate the individual cube sides, we need to decompress them all
decompress();
// Rotate the cube sides so that they're all oriented correctly
for (size_t i = 0; i < getLayerCount(); i++) {
for (size_t j = 0; j < getMipMapCount(); j++) {
const size_t index = i * getMipMapCount() + j;
assert(index < _mipMaps.size());
MipMap &mipMap = *_mipMaps[index];
static const int rotation[6] = { 3, 1, 0, 2, 2, 0 };
rotate90(mipMap.data, mipMap.width, mipMap.height, getBPP(_format), rotation[i]);
}
}
// Swap the first two sides of the cube maps
for (size_t j = 0; j < getMipMapCount(); j++) {
const size_t index0 = 0 * getMipMapCount() + j;
const size_t index1 = 1 * getMipMapCount() + j;
assert((index0 < _mipMaps.size()) && (index1 < _mipMaps.size()));
MipMap &mipMap0 = *_mipMaps[index0];
MipMap &mipMap1 = *_mipMaps[index1];
assert((mipMap0.width == mipMap1.width) && (mipMap0.height == mipMap1.height));
SWAP(mipMap0.data, mipMap1.data);
}
}