public void LoadSection(BinaryReaderEx reader)
{
this.Header = new GtexHeader();
this.Header.Magic = reader.ReadInt32();
this.Header.Unknown1 = reader.ReadByte();
this.Header.Unknown2 = reader.ReadByte();
this.Header.Format = reader.ReadByte();
this.Header.MipMapCount = reader.ReadByte();
this.Header.Unknown3 = reader.ReadByte();
this.Header.IsCubeMap = reader.ReadByte() == 0x1;
this.Header.Width = reader.ReadUInt16(Endianness.BigEndian);
this.Header.Height = reader.ReadUInt16(Endianness.BigEndian);
this.Header.Depth = reader.ReadInt16(Endianness.BigEndian);
this.Header.Unknown5 = reader.ReadInt32(Endianness.BigEndian);
this.Header.DataOffset = reader.ReadUInt32(Endianness.BigEndian);
if (this.Header.IsCubeMap)
{
this.NumLayers = 6;
}
else
{
this.NumLayers = this.Header.MipMapCount;
}
this.LoadMipMapData(reader);
this.GetDataOffset();
this.LoadTextureData(reader);
}
private TextureHandle LoadBlpTexture(SlimDX.Direct3D9.Device Render, System.IO.BinaryReader reader)
{
reader.BaseStream.Position += 4;
byte compression = reader.ReadByte();
byte alphaDepth = reader.ReadByte();
byte alphaEncoding = reader.ReadByte();
byte hasMipMap = reader.ReadByte();
int width = reader.ReadInt32();
int height = reader.ReadInt32();
int[] Offsets = new int[16];
int[] Sizes = new int[16];
byte[] ofsTmp = reader.ReadBytes(16 * 4);
byte[] sizTmp = reader.ReadBytes(16 * 4);
int levelCount = 0;
int blockSize = 0;
for (int i = 0; i < 16; ++i)
{
Offsets[i] = BitConverter.ToInt32(ofsTmp, 4 * i);
Sizes[i] = BitConverter.ToInt32(sizTmp, 4 * i);
if (Offsets[i] != 0 && Sizes[i] != 0)
{
++levelCount;
}
}
SlimDX.Direct3D9.Format texFmt = SlimDX.Direct3D9.Format.Unknown;
if (compression == 2)
{
switch (alphaEncoding)
{
case 0:
texFmt = SlimDX.Direct3D9.Format.Dxt1;
blockSize = 2;
break;
case 1:
texFmt = SlimDX.Direct3D9.Format.Dxt3;
blockSize = 4;
break;
case 7:
texFmt = SlimDX.Direct3D9.Format.Dxt5;
blockSize = 4;
break;
}
}
if (compression == 3)
{
texFmt = SlimDX.Direct3D9.Format.A8R8G8B8;
blockSize = 4;
}
if (texFmt == SlimDX.Direct3D9.Format.Unknown)
{
throw new FormatException("This format is not yet supported, sorry!");
}
var texture = new SlimDX.Direct3D9.Texture(Render, width, height, levelCount,
SlimDX.Direct3D9.Usage.None, texFmt, SlimDX.Direct3D9.Pool.Managed);
int curLevel = 0;
for (int i = 0; i < 16; ++i)
{
if (Sizes[i] != 0 && Offsets[i] != 0)
{
reader.BaseStream.Position = Offsets[i];
byte[] layerData = reader.ReadBytes(Sizes[i]);
SlimDX.Direct3D9.Surface surf = texture.GetSurfaceLevel(curLevel);
SlimDX.Direct3D9.SurfaceDescription desc = texture.GetLevelDescription(curLevel);
System.Drawing.Rectangle rec = System.Drawing.Rectangle.FromLTRB(0, 0, desc.Width, desc.Height);
SlimDX.Direct3D9.Surface.FromMemory(surf, layerData, SlimDX.Direct3D9.Filter.Triangle, 0, texFmt, blockSize * rec.Width, rec);
++curLevel;
}
}
return(new TextureHandle(texture));
}
