private bool LoadTextureFormatDataFromBuffer()
{
#if NATIVE_PLUGIN_LOAD
textureData.width = FastLoad_Texture_GetWidth();
textureData.heght = FastLoad_Texture_GetHeight();
textureData.format = FastLoad_Texture_GetFormat();
textureData.flags = FastLoad_Texture_GetFlags();
textureData.compressedSize = 0;
textureData.dataSize = FastLoad_Texture_GetBodySize();
textureData.rawData = FastLoad_Texture_GetRawData();
#else
if (!FastLoaderUtil.CheckHeader(this.bufferData, 0, FastLoaderUtil.FastTextureHeader))
{
return(false);
}
textureData.width = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 8);
textureData.heght = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 12);
textureData.format = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 16);
textureData.flags = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 20);
textureData.compressedSize = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 24);
textureData.dataSize = FastLoaderUtil.GetIntFromByteArray(this.bufferData, 28);
if (textureData.compress)
{
Lz4Util.Decode(this.bufferData, 32, textureData.compressedSize, this.uncompressedBuffer, 0, textureData.dataSize);
textureData.rawData = Marshal.UnsafeAddrOfPinnedArrayElement(this.uncompressedBuffer, 0);
}
else
{
textureData.rawData = Marshal.UnsafeAddrOfPinnedArrayElement(this.bufferData, 32);
}
#endif
return(true);
}
public static int Decode(byte [] src, int srcOffset, int srcLength, byte [] dest, int destOffset, int destLength)
{
int blockNum = FastLoaderUtil.GetIntFromByteArray(src, srcOffset + 0);
int headerSize = 8 + blockNum * 8;
int currentDestOffset = destOffset;
int currentSrcOffset = srcOffset + headerSize;
int destLengthSum = 0;
for (int i = 0; i < blockNum; ++i)
{
int originSize = FastLoaderUtil.GetIntFromByteArray(src, srcOffset + 8 + (i * 8) + 0);
int compressedSize = FastLoaderUtil.GetIntFromByteArray(src, srcOffset + 8 + (i * 8) + 4);
LZ4Codec.Decode(src, currentSrcOffset, compressedSize, dest, currentDestOffset, originSize);
currentSrcOffset += compressedSize;
currentDestOffset += originSize;
destLengthSum += originSize;
}
return(destLengthSum);
}