// Token: 0x0600013C RID: 316 RVA: 0x00013188 File Offset: 0x00011388
public VTex(BinaryReader reader) : base(reader)
{
reader.BaseStream.Position = 608L;
bool yCoCg = false;
for (int i = 0; i < 15; i++)
{
Encoding utf = Encoding.UTF8;
int byteCount = utf.GetByteCount("e");
string @string;
using (MemoryStream memoryStream = new MemoryStream())
{
for (;;)
{
byte[] array = new byte[byteCount];
reader.Read(array, 0, byteCount);
if (utf.GetString(array, 0, byteCount) == "\0")
{
break;
}
memoryStream.Write(array, 0, array.Length);
}
@string = utf.GetString(memoryStream.ToArray());
}
if (string.IsNullOrEmpty(@string))
{
reader.BaseStream.Position += 32L;
}
else if (!(@string == "CompileTexture") && @string == "Texture Compiler Version Image YCoCg Conversion")
{
yCoCg = true;
break;
}
}
reader.BaseStream.Position = base.StreamStartPosition + (long)((ulong)base.Offset);
this.Version = reader.ReadUInt16();
if (this.Version != 1)
{
throw new InvalidDataException(string.Format("invalid version {0}", this.Version));
}
this.Flags = reader.ReadUInt16();
this.Reflectivity = new float[]
{
reader.ReadSingle(),
reader.ReadSingle(),
reader.ReadSingle(),
reader.ReadSingle()
};
this.Width = reader.ReadUInt16();
this.Height = reader.ReadUInt16();
this.Depth = reader.ReadUInt16();
this.Format = reader.ReadByte();
this.NumMipLevels = reader.ReadByte();
reader.BaseStream.Position = (long)((ulong)base.Data);
VTexFormat format = this.Format;
switch (format)
{
case VTexFormat.IMAGE_FORMAT_DXT1:
for (ushort num = 0; num < this.Depth; num += 1)
{
if (num >= 255)
{
break;
}
byte b = this.NumMipLevels;
while (b > 0 && b != 1)
{
int num2 = 0;
while ((double)num2 < (double)this.Height / Math.Pow(2.0, (double)(b + 1)))
{
int num3 = 0;
while ((double)num3 < (double)this.Width / Math.Pow(2.0, (double)(b + 1)))
{
reader.BaseStream.Position += 8L;
num3++;
}
num2++;
}
b -= 1;
}
this.Bitmap = DDSImage.UncompressDXT1(reader, (int)this.Width, (int)this.Height);
}
goto IL_480;
case VTexFormat.IMAGE_FORMAT_DXT5:
{
ushort num4 = 0;
while (num4 < this.Depth && num4 < 255)
{
byte b2 = this.NumMipLevels;
while (b2 > 0 && b2 != 1)
{
int num5 = 0;
while ((double)num5 < (double)this.Height / Math.Pow(2.0, (double)(b2 + 1)))
{
int num6 = 0;
while ((double)num6 < (double)this.Width / Math.Pow(2.0, (double)(b2 + 1)))
{
reader.BaseStream.Position += 16L;
num6++;
}
num5++;
}
b2 -= 1;
}
this.Bitmap = DDSImage.UncompressDXT5(reader, (int)this.Width, (int)this.Height, yCoCg);
num4 += 1;
}
goto IL_480;
}
case (VTexFormat)3:
goto IL_480;
case VTexFormat.IMAGE_FORMAT_RGBA8888:
break;
default:
if (format == VTexFormat.IMAGE_FORMAT_RGBA16161616F)
{
this.Bitmap = DDSImage.ReadRGBA16161616F(reader, (int)this.Width, (int)this.Height);
goto IL_480;
}
if (format != VTexFormat.IMAGE_FORMAT_PNG)
{
goto IL_480;
}
using (MemoryStream memoryStream2 = new MemoryStream(reader.ReadBytes((int)reader.BaseStream.Length)))
{
this.Bitmap = new Bitmap(memoryStream2);
goto IL_480;
}
break;
}
for (ushort num7 = 0; num7 < this.Depth; num7 += 1)
{
if (num7 >= 255)
{
break;
}
byte b3 = this.NumMipLevels;
while (b3 > 0 && b3 != 1)
{
int num8 = 0;
while ((double)num8 < (double)this.Height / Math.Pow(2.0, (double)(b3 - 1)))
{
reader.BaseStream.Position += (long)((int)((double)(4 * this.Width) / Math.Pow(2.0, (double)(b3 - 1))));
num8++;
}
b3 -= 1;
}
this.Bitmap = DDSImage.ReadRGBA8888(reader, (int)this.Width, (int)this.Height);
}
IL_480:
reader.BaseStream.Position = base.StreamEndPosition;
}