protected override void OnOpen(EndianBinaryReader reader)
{
Header = new SceGxtHeader(reader);
Func <EndianBinaryReader, SceGxtTextureInfo> textureInfoGeneratorFunc;
switch (Header.Version)
{
case 0x10000003: textureInfoGeneratorFunc = new Func <EndianBinaryReader, SceGxtTextureInfo>((r) => { return(new SceGxtTextureInfoV301(r)); }); break;
case 0x10000002: textureInfoGeneratorFunc = new Func <EndianBinaryReader, SceGxtTextureInfo>((r) => { return(new SceGxtTextureInfoV201(r)); }); break;
case 0x10000001: textureInfoGeneratorFunc = new Func <EndianBinaryReader, SceGxtTextureInfo>((r) => { return(new SceGxtTextureInfoV101(r)); }); break;
default: throw new Exception("GXT version not implemented");
}
TextureInfos = new SceGxtTextureInfo[Header.NumTextures];
for (int i = 0; i < TextureInfos.Length; i++)
{
TextureInfos[i] = textureInfoGeneratorFunc(reader);
}
// TODO: any other way to detect these?
if (Encoding.ASCII.GetString(reader.ReadBytes(4)) == BUVChunk.ExpectedMagicNumber)
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
BUVChunk = new BUVChunk(reader);
}
ReadAllBasePalettes(reader);
ReadAllTextures(reader);
}
public TextureBundle(BinaryReader reader, SceGxtHeader header, SceGxtTextureInfo info)
{
reader.BaseStream.Seek(info.DataOffset, SeekOrigin.Begin);
Width = info.GetWidth();
Height = info.GetHeight();
PaletteIndex = info.PaletteIndex;
RawLineSize = (int)(info.DataSize / info.GetHeightRounded());
TextureFormat = info.GetTextureFormat();
RoundedWidth = info.GetWidthRounded();
RoundedHeight = info.GetHeightRounded();
if (!PixelDataProviders.PixelFormatMap.ContainsKey(TextureFormat) || !PixelDataProviders.ProviderFunctions.ContainsKey(TextureFormat))
{
throw new FormatNotImplementedException(TextureFormat);
}
PixelFormat = PixelDataProviders.PixelFormatMap[TextureFormat];
PixelData = PixelDataProviders.ProviderFunctions[TextureFormat](reader, info);
SceGxmTextureBaseFormat textureBaseFormat = info.GetTextureBaseFormat();
// TODO: is this right? PVRTC/PVRTC2 doesn't need this, but everything else does?
if (textureBaseFormat != SceGxmTextureBaseFormat.PVRT2BPP && textureBaseFormat != SceGxmTextureBaseFormat.PVRT4BPP &&
textureBaseFormat != SceGxmTextureBaseFormat.PVRTII2BPP && textureBaseFormat != SceGxmTextureBaseFormat.PVRTII4BPP)
{
SceGxmTextureType textureType = info.GetTextureType();
switch (textureType)
{
case SceGxmTextureType.Linear:
// Nothing to be done!
break;
case SceGxmTextureType.Tiled:
// TODO: verify me!
PixelData = PostProcessing.UntileTexture(PixelData, info.GetWidthRounded(), info.GetHeightRounded(), PixelFormat);
break;
case SceGxmTextureType.Swizzled:
case SceGxmTextureType.Cube:
// TODO: is cube really the same as swizzled? seems that way from CS' *env* files...
PixelData = PostProcessing.UnswizzleTexture(PixelData, info.GetWidthRounded(), info.GetHeightRounded(), PixelFormat);
break;
case (SceGxmTextureType)0xA0000000:
// TODO: mehhhhh
PixelData = PostProcessing.UnswizzleTexture(PixelData, info.GetWidthRounded(), info.GetHeightRounded(), PixelFormat);
break;
default:
throw new TypeNotImplementedException(textureType);
}
}
}
