public static void smethod_17(BinaryReader binaryReader_0, Class219 class219_0, IMGPixelFormat imgpixelFormat_0)
{
zzTextureClass.Tom[] array = new zzTextureClass.Tom[16];
int num = class219_0.method_1();
int num2 = class219_0.method_0();
for (int i = 0; i < num; i += 4)
{
for (int j = 0; j < num2; j += 4)
{
if (imgpixelFormat_0 == IMGPixelFormat.Dxt3)
{
ushort[] array2 = new ushort[4];
for (int k = 0; k < 4; k++)
{
for (int l = 0; l < 4; l++)
{
if (l == 0)
{
array2[k] = binaryReader_0.ReadUInt16();
}
array[k * 4 + l].float_0 = (float)(array2[k] & 15) / 15f;
ushort[] expr_74_cp_0 = array2;
int expr_74_cp_1 = k;
expr_74_cp_0[expr_74_cp_1] = (ushort)(expr_74_cp_0[expr_74_cp_1] >> 4);
}
}
}
else if (imgpixelFormat_0 == IMGPixelFormat.Dxt5)
{
byte[] array3 = binaryReader_0.ReadBytes(2);
byte[] array4 = binaryReader_0.ReadBytes(6);
float[] array5 = new float[8];
array5[0] = (float)array3[0] / 255f;
array5[1] = (float)array3[1] / 255f;
int num3 = 4;
if (array3[0] > array3[1])
{
num3 = 6;
}
else
{
array5[6] = 0f;
array5[7] = 1f;
}
float num4 = 1f / (float)(num3 + 1);
for (int m = 0; m < num3; m++)
{
float num5 = (float)(num3 - m) * num4;
float num6 = (float)(m + 1) * num4;
array5[m + 2] = num5 * (float)array3[0] + num6 * (float)array3[1];
}
for (int n = 0; n < 16; n++)
{
//Console.WriteLine("Broken");
int div = (n * 3) / 8;
int rem = (n * 3) % 8;
byte b = (byte)((array4[div] >> rem) & 7);
if (rem > 5)
{
byte b2 = (byte)((array4[div + 1] << (8 - rem)) & 0xFF);
b |= (byte)(b2 & 7);
}
array[n].float_0 = array5[b];
}
}
zzTextureClass.Jerry @struct = zzTextureClass.Jerry.smethod_0(binaryReader_0);
zzTextureClass.Tom[] array6 = new zzTextureClass.Tom[4];
array6[0].float_1 = (float)((@struct.ushort_0 & 63488) >> 11) / 31f;
array6[0].float_2 = (float)((@struct.ushort_0 & 2016) >> 5) / 63f;
array6[0].float_3 = (float)(@struct.ushort_0 & 31) / 31f;
array6[1].float_1 = (float)((@struct.ushort_1 & 63488) >> 11) / 31f;
array6[1].float_2 = (float)((@struct.ushort_1 & 2016) >> 5) / 63f;
array6[1].float_3 = (float)(@struct.ushort_1 & 31) / 31f;
if (imgpixelFormat_0 == IMGPixelFormat.Dxt1 && @struct.ushort_0 <= @struct.ushort_1)
{
array6[2] = zzTextureClass.Tom.smethod_1(zzTextureClass.Tom.smethod_2(array6[0], array6[1]), 0.5f);
array6[3] = default(zzTextureClass.Tom);
}
else
{
array6[2] = zzTextureClass.Tom.smethod_1(zzTextureClass.Tom.smethod_2(zzTextureClass.Tom.smethod_0(2f, array6[0]), array6[1]), 0.333333343f);
array6[3] = zzTextureClass.Tom.smethod_1(zzTextureClass.Tom.smethod_2(array6[0], zzTextureClass.Tom.smethod_0(2f, array6[1])), 0.333333343f);
}
for (int num9 = 0; num9 < 4; num9++)
{
for (int num10 = 0; num10 < 4; num10++)
{
if (j + num10 < num2 && i + num9 < num)
{
Point point_ = new Point(j + num10, i + num9);
uint num11 = @struct.uint_0 & 3u;
if (imgpixelFormat_0 == IMGPixelFormat.Dxt1)
{
class219_0.method_6(point_, Color.FromArgb((int)((byte)(array6[(int)((UIntPtr)num11)].float_0 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_1 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_2 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_3 * 255f))));
}
else
{
class219_0.method_6(point_, Color.FromArgb((int)((byte)(array[num9 * 4 + num10].float_0 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_1 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_2 * 255f)), (int)((byte)(array6[(int)((UIntPtr)num11)].float_3 * 255f))));
}
}
@struct.uint_0 >>= 2;
}
}
}
}
}
public Image GetImage()
{
Bitmap bitmap = new Bitmap(this.Size.Width, this.Size.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (this.PixelFormat == IMGPixelFormat.Bgra32)
{
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);
Marshal.Copy(this.data, 0, bitmapData.Scan0, bitmapData.Stride * bitmap.Height);
bitmap.UnlockBits(bitmapData);
MemoryStream stream = new MemoryStream();
bitmap.Save(stream, ImageFormat.Bmp);
return Image.FromStream(stream);
}
if (this.PixelFormat != IMGPixelFormat.Dxt1 && this.PixelFormat != IMGPixelFormat.Dxt3)
{
if (this.PixelFormat != IMGPixelFormat.Dxt5)
{
throw new Exception("Can't decode DDS, Unknown format: " + this.PixelFormat.ToString());
}
}
Class219 @class = new Class219(bitmap);
@class.method_4();
BinaryReader binaryReader = new BinaryReader(new MemoryStream(this.data));
zzTextureClass.smethod_17(binaryReader, @class, this.PixelFormat);
binaryReader.Close();
@class.method_5(true);
MemoryStream stream2 = new MemoryStream();
bitmap.Save(stream2, ImageFormat.Bmp);
return Image.FromStream(stream2);
}