public static uint ToFourCC(this CRNFormat format)
{
switch (format)
{
case CRNFormat.DXT1:
return(FourCC('D', 'X', 'T', '1'));
case CRNFormat.DXT3:
return(FourCC('D', 'X', 'T', '3'));
case CRNFormat.DXT5:
return(FourCC('D', 'X', 'T', '5'));
case CRNFormat.DXN_XY:
return(FourCC('A', '2', 'X', 'Y'));
case CRNFormat.DXN_YX:
return(FourCC('A', 'T', 'I', '2'));
case CRNFormat.DXT5A:
return(FourCC('A', 'T', 'I', '1'));
case CRNFormat.DXT5_CCxY:
return(FourCC('C', 'C', 'x', 'Y'));
case CRNFormat.DXT5_xGxR:
return(FourCC('x', 'G', 'x', 'R'));
case CRNFormat.DXT5_xGBR:
return(FourCC('x', 'G', 'B', 'R'));
case CRNFormat.DXT5_AGBR:
return(FourCC('A', 'G', 'B', 'R'));
case CRNFormat.ETC1:
return(FourCC('E', 'T', 'C', '1'));
case CRNFormat.ETC2:
return(FourCC('E', 'T', 'C', '2'));
case CRNFormat.ETC2A:
return(FourCC('E', 'T', '2', 'A'));
case CRNFormat.ETC1S:
return(FourCC('E', 'T', '1', 'S'));
case CRNFormat.ETC2AS:
return(FourCC('E', '2', 'A', 'S'));
default:
break;
}
return(0);
}
public CRNTextureImporter(byte[] data)
{
var converter = new EndianBitConverter();
uint sig = converter.ToUInt16(data, 0);
if (sig != SigValue)
{
converter.InvertEndian = true;
sig = converter.ToUInt16(data, 0);
if (sig != SigValue)
{
throw new Exception("Invalid CRN Texture.");
}
}
HeaderSize = converter.ToUInt16(data, 2);
CRC16 = converter.ToUInt16(data, 4);
DataSize = converter.ToUInt32(data, 6);
DataCRC16 = converter.ToUInt16(data, 10);
Width = converter.ToUInt16(data, 12);
Height = converter.ToUInt16(data, 14);
Levels = data[16];
Faces = data[17];
Format = (CRNFormat)data[18];
Flags = (CRNHeaderFlags)converter.ToUInt16(data, 19);
UserData0 = converter.ToUInt32(data, 25);
UserData1 = converter.ToUInt32(data, 29);
byte[] dxtData = unitils.UnityCRN.Transcode(data);
Texture2D tex; // Bad, prefer direct conversion instead of using Texture2D
if (ImageConversion.LoadDDSImage(dxtData, out tex))
{
RawTextureData = tex.GetRawTextureData();
}
}
