private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "BMD files (*.bmd)|*.bmd|All files (*.*)|*.*";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
if (loaded)
{
GL.DeleteLists(loadedList, 1);
}
FileBase fb = new FileBase();
fb.Stream = new FileStream(openFileDialog1.FileName, FileMode.Open);
loadedBmd = new Bmd(fb);
fb.Close();
loadedList = GL.GenLists(1);
GL.NewList(loadedList, ListMode.Compile);
if (loadedBmd != null)
{
MainWindow.DrawBMD(loadedBmd);
}
GL.EndList();
}
}
private void listBox1_MouseDoubleClick(object sender, MouseEventArgs e)
{
int index = listBox1.SelectedIndex;
string objIDStr;
ushort objID;
if (indexToObject.ContainsKey(index))
{
objIDStr = indexToObject[index];
}
else
{
objIDStr = "1"; // item box
}
objID = Convert.ToUInt16(objIDStr, 16);
LevelObject trackObj = new LevelObject();
trackObj.objID = objID;
trackObj.routeID = -1;
MiscHacks misc = new MiscHacks();
trackObj.modelName = misc.returnModel(objID);
trackObj.friendlyName = misc.returnName(objID);
if (trackObj.modelName != "null")
{
FileBase objFB = new FileBase();
if (File.Exists(Properties.Settings.Default.curDir + "/objects/" + trackObj.modelName + ".bmd"))
{
objFB.Stream = new FileStream(Properties.Settings.Default.curDir + "/objects/" + trackObj.modelName + ".bmd", FileMode.Open);
rofl.Items.Add(trackObj);
rofl.Refresh();
Close();
}
else
{
MessageBox.Show("File /objects/" + trackObj.modelName + ".bmd does not exist. Please add this file and it's dependencies before you can add this object.");
Close();
return;
}
}
else
{
rofl.Items.Add(trackObj);
rofl.Refresh();
Close();
}
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "BTI files (*.bti)|*.bti|All files (*.*)|*.*";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
FileBase fileb = new FileBase();
fileb.Stream = new FileStream(openFileDialog1.FileName, FileMode.Open);
bti = BTIFile.ReadBTIToBitmap(fileb);
pictureBox1.Image = bti;
fileb.Close();
}
}
private void button1_Click(object sender, EventArgs e)
{
// here we have to get the object's id from the textbox as a hex string
// then we convert it to ushort (uint16) and then use that
string value = textBox1.Text;
ushort objectID = Convert.ToUInt16(value, 16);
LevelObject trackObj = new LevelObject();
trackObj.objID = objectID;
trackObj.routeID = -1;
MiscHacks misc = new MiscHacks();
trackObj.modelName = misc.returnModel(objectID);
trackObj.friendlyName = misc.returnName(objectID);
if (trackObj.modelName != "null")
{
FileBase objFB = new FileBase();
if (File.Exists(Properties.Settings.Default.curDir + "/objects/" + trackObj.modelName + ".bmd"))
{
objFB.Stream = new FileStream(Properties.Settings.Default.curDir + "/objects/" + trackObj.modelName + ".bmd", FileMode.Open);
rofl.Items.Add(trackObj);
rofl.Refresh();
Close();
}
else
{
MessageBox.Show("File /objects/" + trackObj.modelName + ".bmd does not exist. Please add this file and it's depencies before you can add this object.");
Close();
return;
}
}
else
{
rofl.Items.Add(trackObj);
rofl.Refresh();
Close();
}
}
/* Reads BTI file and loads texture into OpenGL */
public static Bitmap ReadBTIToBitmap(FileBase fb)
{
fb.BigEndian = true;
/* Header */
fb.Reader.BaseStream.Seek(0, System.IO.SeekOrigin.Begin);
byte format = fb.Reader.ReadByte();
byte unknown1 = fb.Reader.ReadByte();
UInt16 width = fb.Reader.ReadUInt16();
UInt16 height = fb.Reader.ReadUInt16();
UInt16 unknown2 = fb.Reader.ReadUInt16();
byte unknown3 = fb.Reader.ReadByte();
byte paletteFormat = fb.Reader.ReadByte();
UInt16 paletteCount = fb.Reader.ReadUInt16();
UInt32 paletteOffset = fb.Reader.ReadUInt32();
UInt32 unknown4 = fb.Reader.ReadUInt32();
UInt16 unknown5 = fb.Reader.ReadUInt16();
UInt16 unknown6 = fb.Reader.ReadUInt16();
byte mipmapCount = fb.Reader.ReadByte();
byte unknown7 = fb.Reader.ReadByte();
UInt16 unknown8 = fb.Reader.ReadUInt16();
UInt32 dataOffset = fb.Reader.ReadUInt32();
UInt16[] palette = new UInt16[paletteCount];
if (paletteCount != 0)
{
if (paletteFormat != 0 && paletteFormat != 1 && paletteFormat != 2)
{
throw new NotImplementedException();
}
fb.Stream.Seek(paletteOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < paletteCount; i++)
{
palette[i] = fb.Reader.ReadUInt16();
}
}
TextureWrapMode[] wrapmodes = { TextureWrapMode.ClampToEdge, TextureWrapMode.Repeat, TextureWrapMode.MirroredRepeat };
TextureMinFilter[] minfilters = { TextureMinFilter.Nearest, TextureMinFilter.Linear,
TextureMinFilter.NearestMipmapNearest, TextureMinFilter.LinearMipmapNearest,
TextureMinFilter.NearestMipmapLinear, TextureMinFilter.LinearMipmapLinear };
TextureMagFilter[] magfilters = { TextureMagFilter.Nearest, TextureMagFilter.Linear,
TextureMagFilter.Nearest, TextureMagFilter.Linear,
TextureMagFilter.Nearest, TextureMagFilter.Linear };
int texture = GL.GenTexture();
Bitmap bmimg = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
BitmapData bmd = bmimg.LockBits(new Rectangle(0, 0, bmimg.Width, bmimg.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, bmimg.PixelFormat);
const int FORMATSIZE = 4;
unsafe
{
switch (format)
{
case 0: // I4
{
for (int by = 0; by < height; by += 8)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x += 2)
{
byte b = fb.Reader.ReadByte();
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
byte i1 = (byte)((b & 0xF0) | (b >> 4));
byte i2 = (byte)((b << 4) | (b & 0x0F));
*(cur++) = i1;
*(cur++) = i1;
*(cur++) = i1;
*(cur++) = i1;
*(cur++) = i2;
*(cur++) = i2;
*(cur++) = i2;
*(cur++) = i2;
}
}
}
}
}
break;
case 1: // I8
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 8; x++)
{
byte b = fb.Reader.ReadByte();
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
*(cur++) = b;
*(cur++) = b;
*(cur++) = b;
*(cur++) = b;
}
}
}
}
}
break;
case 2: // I4A4
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 8; x++)
{
byte b = fb.Reader.ReadByte();
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
byte i = (byte)((b << 4) | (b & 0x0F));
byte a = (byte)((b & 0xF0) | (b >> 4));
*(cur++) = i;
*(cur++) = i;
*(cur++) = i;
*(cur++) = a;
}
}
}
}
}
break;
case 3: // I8A8
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
byte a = fb.Reader.ReadByte();
byte i = fb.Reader.ReadByte();
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
*(cur++) = i;
*(cur++) = i;
*(cur++) = i;
*(cur++) = a;
}
}
}
}
}
break;
case 4: // RGB565
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
ushort col = fb.Reader.ReadUInt16();
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
byte b = (byte)(((col & 0x001F) << 3) | ((col & 0x001F) >> 2));
byte g = (byte)(((col & 0x07E0) >> 3) | ((col & 0x07E0) >> 8));
byte r = (byte)(((col & 0xF800) >> 8) | ((col & 0xF800) >> 13));
*(cur++) = b;
*(cur++) = g;
*(cur++) = r;
*(cur++) = 255;
}
}
}
}
}
break;
//RGB5A3 Added 1/20/15
case 5:
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
byte r, g, b, a;
ushort srcPixel = fb.Reader.ReadUInt16();
byte * cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
if ((srcPixel & 0x8000) == 0x8000)
{
r = (byte)((srcPixel & 0x7c00) >> 10);
r = (byte)((r << (8 - 5)) | (r >> (10 - 8)));
g = (byte)((srcPixel & 0x3e0) >> 5);
g = (byte)((g << (8 - 5)) | (g >> (10 - 8)));
b = (byte)(srcPixel & 0x1f);
b = (byte)((b << (8 - 5)) | (b >> (10 - 8)));
a = 0xff;
}
else //a3rgb4
{
r = (byte)((srcPixel & 0x7000) >> 12);
r = (byte)((r << (8 - 3)) | (r << (8 - 6)) | (r >> (9 - 8)));
g = (byte)((srcPixel & 0xf00) >> 8);
g = (byte)((g << (8 - 4)) | g);
b = (byte)((srcPixel & 0xf0) >> 4);
b = (byte)((b << (8 - 4)) | b);
a = (byte)(srcPixel & 0xf);
a = (byte)((a << (8 - 4)) | a);
}
*(cur++) = b;
*(cur++) = g;
*(cur++) = r;
*(cur++) = a;
}
}
}
}
}
break;
//ARGB8 Added 1/20/15
case 6:
{
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
if (x + bx < width && y + by < height)
{
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE) + 2;
byte a = fb.Reader.ReadByte();
byte r = fb.Reader.ReadByte();
*(cur++) = r;
*(cur++) = a;
}
}
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
if (x + bx < width && y + by < height)
{
byte *cur = (byte *)bmd.Scan0 + ((by + y) * bmd.Stride) + ((bx + x) * FORMATSIZE);
byte g = fb.Reader.ReadByte();
byte b = fb.Reader.ReadByte();
*(cur++) = b;
*(cur++) = g;
}
}
}
}
}
}
break;
case 14: // DXT1
{
for (int by = 0; by < height; by += 8)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int sby = 0; sby < 8; sby += 4)
{
for (int sbx = 0; sbx < 8; sbx += 4)
{
ushort c1 = fb.Reader.ReadUInt16();
ushort c2 = fb.Reader.ReadUInt16();
uint block = fb.Reader.ReadUInt32();
byte r1 = (byte)((c1 & 0xF800) >> 8);
byte g1 = (byte)((c1 & 0x07E0) >> 3);
byte b1 = (byte)((c1 & 0x001F) << 3);
byte r2 = (byte)((c2 & 0xF800) >> 8);
byte g2 = (byte)((c2 & 0x07E0) >> 3);
byte b2 = (byte)((c2 & 0x001F) << 3);
byte[,] colors = new byte[4, 4];
colors[0, 0] = 255; colors[0, 1] = r1; colors[0, 2] = g1; colors[0, 3] = b1;
colors[1, 0] = 255; colors[1, 1] = r2; colors[1, 2] = g2; colors[1, 3] = b2;
if (c1 > c2)
{
int r3 = ((r1 << 1) + r2) / 3;
int g3 = ((g1 << 1) + g2) / 3;
int b3 = ((b1 << 1) + b2) / 3;
int r4 = (r1 + (r2 << 1)) / 3;
int g4 = (g1 + (g2 << 1)) / 3;
int b4 = (b1 + (b2 << 1)) / 3;
colors[2, 0] = 255; colors[2, 1] = (byte)r3; colors[2, 2] = (byte)g3; colors[2, 3] = (byte)b3;
colors[3, 0] = 255; colors[3, 1] = (byte)r4; colors[3, 2] = (byte)g4; colors[3, 3] = (byte)b4;
}
else
{
colors[2, 0] = 255;
colors[2, 1] = (byte)((r1 + r2) / 2);
colors[2, 2] = (byte)((g1 + g2) / 2);
colors[2, 3] = (byte)((b1 + b2) / 2);
colors[3, 0] = 0; colors[3, 1] = r2; colors[3, 2] = g2; colors[3, 3] = b2;
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
int c = (int)(block >> 30);
byte *cur = (byte *)bmd.Scan0 + ((by + sby + y) * bmd.Stride) + ((bx + sbx + x) * FORMATSIZE);
*(cur++) = (byte)(colors[c, 3] | (colors[c, 3] >> 5));
*(cur++) = (byte)(colors[c, 2] | (colors[c, 2] >> 5));
*(cur++) = (byte)(colors[c, 1] | (colors[c, 1] >> 5));
*(cur++) = colors[c, 0];
block <<= 2;
}
}
}
}
}
}
}
break;
default: throw new NotImplementedException("Bmd: unsupported texture format " + format.ToString());
}
}
bmimg.UnlockBits(bmd);
return(bmimg);
}
/* Reads BTI file and loads texture into OpenGL */
public static int ReadBTI(FileBase fb, out int owidth, out int oheight)
{
fb.BigEndian = true;
/* Header */
fb.Reader.BaseStream.Seek(0, System.IO.SeekOrigin.Begin);
byte format = fb.Reader.ReadByte();
byte unknown1 = fb.Reader.ReadByte();
UInt16 width = fb.Reader.ReadUInt16();
UInt16 height = fb.Reader.ReadUInt16();
UInt16 unknown2 = fb.Reader.ReadUInt16();
byte unknown3 = fb.Reader.ReadByte();
byte paletteFormat = fb.Reader.ReadByte();
UInt16 paletteCount = fb.Reader.ReadUInt16();
UInt32 paletteOffset = fb.Reader.ReadUInt32();
UInt32 unknown4 = fb.Reader.ReadUInt32();
UInt16 unknown5 = fb.Reader.ReadUInt16();
UInt16 unknown6 = fb.Reader.ReadUInt16();
byte mipmapCount = fb.Reader.ReadByte();
byte unknown7 = fb.Reader.ReadByte();
UInt16 unknown8 = fb.Reader.ReadUInt16();
UInt32 dataOffset = fb.Reader.ReadUInt32();
owidth = width;
oheight = height;
UInt16[] palette = new UInt16[paletteCount];
if (paletteCount != 0)
{
if (paletteFormat != 0 && paletteFormat != 1 && paletteFormat != 2)
{
throw new NotImplementedException();
}
fb.Stream.Seek(paletteOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < paletteCount; i++)
{
palette[i] = fb.Reader.ReadUInt16();
}
}
TextureWrapMode[] wrapmodes = { TextureWrapMode.ClampToEdge, TextureWrapMode.Repeat, TextureWrapMode.MirroredRepeat };
TextureMinFilter[] minfilters = { TextureMinFilter.Nearest, TextureMinFilter.Linear,
TextureMinFilter.NearestMipmapNearest, TextureMinFilter.LinearMipmapNearest,
TextureMinFilter.NearestMipmapLinear, TextureMinFilter.LinearMipmapLinear };
TextureMagFilter[] magfilters = { TextureMagFilter.Nearest, TextureMagFilter.Linear,
TextureMagFilter.Nearest, TextureMagFilter.Linear,
TextureMagFilter.Nearest, TextureMagFilter.Linear };
int texture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, mipmapCount - 1);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, 0.0f);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, 0.0f);
PixelInternalFormat ifmt;
OpenTK.Graphics.OpenGL.PixelFormat fmt;
switch (format)
{
case 0:
case 1: ifmt = PixelInternalFormat.Intensity; fmt = OpenTK.Graphics.OpenGL.PixelFormat.Luminance; break;
case 2:
case 3: ifmt = PixelInternalFormat.Luminance8Alpha8; fmt = OpenTK.Graphics.OpenGL.PixelFormat.LuminanceAlpha; break;
default: ifmt = PixelInternalFormat.Four; fmt = OpenTK.Graphics.OpenGL.PixelFormat.Bgra; break;
}
byte[][] images = new byte[mipmapCount][];
for (int mip = 0; mip < mipmapCount; mip++)
{
byte[] image = null;
switch (format)
{
case 0: // I4
{
image = new byte[width * height];
for (int by = 0; by < height; by += 8)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x += 2)
{
byte b = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x));
image[outp++] = (byte)((b & 0xF0) | (b >> 4));
image[outp] = (byte)((b << 4) | (b & 0x0F));
}
}
}
}
}
break;
case 1: // I8
{
image = new byte[width * height];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 8; x++)
{
byte b = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x));
image[outp] = b;
}
}
}
}
}
break;
case 2: // I4A4
{
image = new byte[width * height * 2];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 8; x++)
{
byte b = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x)) * 2;
image[outp++] = (byte)((b << 4) | (b & 0x0F));
image[outp] = (byte)((b & 0xF0) | (b >> 4));
}
}
}
}
}
break;
case 3: // I8A8
{
image = new byte[width * height * 2];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
byte a = fb.Reader.ReadByte();
byte l = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x)) * 2;
image[outp++] = l;
image[outp] = a;
}
}
}
}
}
break;
case 4: // RGB565
{
image = new byte[width * height * 4];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
ushort col = fb.Reader.ReadUInt16();
int outp = (((by + y) * width) + (bx + x)) * 4;
image[outp++] = (byte)(((col & 0x001F) << 3) | ((col & 0x001F) >> 2));
image[outp++] = (byte)(((col & 0x07E0) >> 3) | ((col & 0x07E0) >> 8));
image[outp++] = (byte)(((col & 0xF800) >> 8) | ((col & 0xF800) >> 13));
image[outp] = 255;
}
}
}
}
}
break;
//RGB5A3 Added 1/20/15
case 5:
{
image = new byte[width * height * 4];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
byte r, g, b, a;
ushort srcPixel = fb.Reader.ReadUInt16();
int outp = (((by + y) * width) + (bx + x)) * 4;
if ((srcPixel & 0x8000) == 0x8000)
{
r = (byte)((srcPixel & 0x7c00) >> 10);
r = (byte)((r << (8 - 5)) | (r >> (10 - 8)));
g = (byte)((srcPixel & 0x3e0) >> 5);
g = (byte)((g << (8 - 5)) | (g >> (10 - 8)));
b = (byte)(srcPixel & 0x1f);
b = (byte)((b << (8 - 5)) | (b >> (10 - 8)));
a = 0xff;
}
else //a3rgb4
{
r = (byte)((srcPixel & 0x7000) >> 12);
r = (byte)((r << (8 - 3)) | (r << (8 - 6)) | (r >> (9 - 8)));
g = (byte)((srcPixel & 0xf00) >> 8);
g = (byte)((g << (8 - 4)) | g);
b = (byte)((srcPixel & 0xf0) >> 4);
b = (byte)((b << (8 - 4)) | b);
a = (byte)(srcPixel & 0xf);
a = (byte)((a << (8 - 4)) | a);
}
image[outp++] = r;
image[outp++] = g;
image[outp++] = b;
image[outp] = a;
}
}
}
}
}
break;
//ARGB8 Added 1/20/15
case 6:
{
image = new byte[width * height * 4];
for (int by = 0; by < height; by += 4)
{
for (int bx = 0; bx < width; bx += 4)
{
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
if (x + bx < width && y + by < height)
{
byte a = fb.Reader.ReadByte();
byte r = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x)) * 4;
image[outp + 0] = r;
image[outp + 3] = a;
}
}
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
if (x + bx < width && y + by < height)
{
byte g = fb.Reader.ReadByte();
byte b = fb.Reader.ReadByte();
int outp = (((by + y) * width) + (bx + x)) * 4;
image[outp + 1] = g;
image[outp + 2] = b;
}
}
}
}
}
}
break;
case 14: // DXT1
{
image = new byte[width * height * 4];
for (int by = 0; by < height; by += 8)
{
for (int bx = 0; bx < width; bx += 8)
{
for (int sby = 0; sby < 8; sby += 4)
{
for (int sbx = 0; sbx < 8; sbx += 4)
{
ushort c1 = fb.Reader.ReadUInt16();
ushort c2 = fb.Reader.ReadUInt16();
uint block = fb.Reader.ReadUInt32();
byte r1 = (byte)((c1 & 0xF800) >> 8);
byte g1 = (byte)((c1 & 0x07E0) >> 3);
byte b1 = (byte)((c1 & 0x001F) << 3);
byte r2 = (byte)((c2 & 0xF800) >> 8);
byte g2 = (byte)((c2 & 0x07E0) >> 3);
byte b2 = (byte)((c2 & 0x001F) << 3);
byte[,] colors = new byte[4, 4];
colors[0, 0] = 255; colors[0, 1] = r1; colors[0, 2] = g1; colors[0, 3] = b1;
colors[1, 0] = 255; colors[1, 1] = r2; colors[1, 2] = g2; colors[1, 3] = b2;
if (c1 > c2)
{
int r3 = ((r1 << 1) + r2) / 3;
int g3 = ((g1 << 1) + g2) / 3;
int b3 = ((b1 << 1) + b2) / 3;
int r4 = (r1 + (r2 << 1)) / 3;
int g4 = (g1 + (g2 << 1)) / 3;
int b4 = (b1 + (b2 << 1)) / 3;
colors[2, 0] = 255; colors[2, 1] = (byte)r3; colors[2, 2] = (byte)g3; colors[2, 3] = (byte)b3;
colors[3, 0] = 255; colors[3, 1] = (byte)r4; colors[3, 2] = (byte)g4; colors[3, 3] = (byte)b4;
}
else
{
colors[2, 0] = 255;
colors[2, 1] = (byte)((r1 + r2) / 2);
colors[2, 2] = (byte)((g1 + g2) / 2);
colors[2, 3] = (byte)((b1 + b2) / 2);
colors[3, 0] = 0; colors[3, 1] = r2; colors[3, 2] = g2; colors[3, 3] = b2;
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
int c = (int)(block >> 30);
int outp = (((by + sby + y) * width) + (bx + sbx + x)) * 4;
image[outp++] = (byte)(colors[c, 3] | (colors[c, 3] >> 5));
image[outp++] = (byte)(colors[c, 2] | (colors[c, 2] >> 5));
image[outp++] = (byte)(colors[c, 1] | (colors[c, 1] >> 5));
image[outp] = colors[c, 0];
block <<= 2;
}
}
}
}
}
}
}
break;
default: throw new NotImplementedException("Bmd: unsupported texture format " + format.ToString());
}
GL.TexImage2D(TextureTarget.Texture2D, mip, ifmt, width, height, 0, fmt, PixelType.UnsignedByte, image);
width /= 2; height /= 2;
}
return(texture);
}
