public ImageTexeler(Bitmap img, int paletteMaxNum)
{
this.img = img;
int tx = img.Width / 4;
int ty = img.Height / 4;
palettes = new Color[tx * ty][];
paletteCounts = new int[tx * ty];
paletteNumbers = new int[tx, ty];
paletteDiffs = new float[tx * ty, tx *ty];
int palNum = 0;
for (int x = 0; x < tx; x++)
{
for (int y = 0; y < ty; y++)
{
ImageIndexerFast iif = new ImageIndexerFast(img, x * 4, y * 4);
palettes[palNum] = iif.palette;
paletteNumbers[x, y] = palNum;
paletteCounts[palNum] = 1;
int similar = calcPaletteDiffs(palNum);
/* if (similar != -1)
* {
* paletteCounts[palNum] = 0;
* paletteCounts[similar]++;
* paletteNumbers[x, y] = similar;
* }
*/
palNum++;
}
}
while (countUsedPalettes() > paletteMaxNum)
{
Console.Out.WriteLine(countUsedPalettes());
int besta = -1;
int bestb = -1;
float bestDif = float.MaxValue;
//Find the two most similar palettes
for (int i = 0; i < palettes.Length; i++)
{
if (paletteCounts[i] == 0)
{
continue;
}
for (int j = 0; j < palettes.Length; j++)
{
if (i == j)
{
continue;
}
if (paletteCounts[j] == 0)
{
continue;
}
if (paletteDiffs[i, j] < bestDif)
{
bestDif = paletteDiffs[i, j];
besta = j;
bestb = i;
}
}
}
//Merge the Palettes!!!
palettes[besta] = palMerge(palettes[besta], palettes[bestb]);
calcPaletteDiffs(besta);
paletteCounts[besta] += paletteCounts[bestb];
paletteCounts[bestb] = 0;
for (int x = 0; x < tx; x++)
{
for (int y = 0; y < ty; y++)
{
if (paletteNumbers[x, y] == bestb)
{
paletteNumbers[x, y] = besta;
}
}
}
}
//CREATE THE FINAL PAL
int currNum = 0;
finalPalette = new Color[paletteMaxNum * 4];
int[] newPalNums = new int[palettes.Length];
for (int i = 0; i < palettes.Length; i++)
{
if (paletteCounts[i] != 0)
{
//transparentToTheEnd(palettes[i]);
newPalNums[i] = currNum;
Array.Copy(palettes[i], 0, finalPalette, currNum * 4, 4);
currNum++;
}
}
ByteArrayOutputStream texDat = new ByteArrayOutputStream();
ByteArrayOutputStream f5Dat = new ByteArrayOutputStream();
for (int y = 0; y < ty; y++)
{
for (int x = 0; x < tx; x++)
{
//Find out if texel has transparent.
bool hasTransparent = false;
for (int yy = 0; yy < 4; yy++)
{
for (int xx = 0; xx < 4; xx++)
{
Color coll = img.GetPixel(x * 4 + xx, y * 4 + yy);
if (coll.A < 128)
{
hasTransparent = true;
}
}
}
//WRITE THE IMAGE DATA
for (int yy = 0; yy < 4; yy++)
{
byte b = 0;
byte pow = 1;
for (int xx = 0; xx < 4; xx++)
{
Color coll = img.GetPixel(x * 4 + xx, y * 4 + yy);
byte col;
if (coll.A < 128)
{
col = 3;
}
else
{
col = (byte)ImageIndexer.closest(coll, palettes[paletteNumbers[x, y]]);
if (col == 3)
{
col = 2;
}
}
b |= (byte)(pow * col);
pow *= 4;
}
texDat.writeByte(b);
}
//WRITE THE FORMAT-5 SPECIFIC DATA
ushort dat = (ushort)(newPalNums[paletteNumbers[x, y]] * 2);
if (!hasTransparent)
{
dat |= 2 << 14;
}
f5Dat.writeUShort(dat);
}
}
f5data = f5Dat.getArray();
texdata = texDat.getArray();
}
public ImageTexeler(Bitmap img, int paletteMaxNum)
{
this.img = img;
int tx = img.Width / 4;
int ty = img.Height / 4;
palettes = new Color[tx*ty][];
paletteCounts = new int[tx*ty];
paletteNumbers = new int[tx, ty];
paletteDiffs = new float[tx*ty, tx*ty];
int palNum = 0;
for(int x = 0; x < tx; x++)
for (int y = 0; y < ty; y++)
{
ImageIndexerFast iif = new ImageIndexerFast(img, x * 4, y * 4);
palettes[palNum] = iif.palette;
paletteNumbers[x, y] = palNum;
paletteCounts[palNum] = 1;
int similar = calcPaletteDiffs(palNum);
/* if (similar != -1)
{
paletteCounts[palNum] = 0;
paletteCounts[similar]++;
paletteNumbers[x, y] = similar;
}
*/
palNum++;
}
while (countUsedPalettes() > paletteMaxNum)
{
Console.Out.WriteLine(countUsedPalettes());
int besta = -1;
int bestb = -1;
float bestDif = float.MaxValue;
//Find the two most similar palettes
for (int i = 0; i < palettes.Length; i++)
{
if (paletteCounts[i] == 0) continue;
for (int j = 0; j < palettes.Length; j++)
{
if (i == j) continue;
if (paletteCounts[j] == 0) continue;
if (paletteDiffs[i, j] < bestDif)
{
bestDif = paletteDiffs[i, j];
besta = j;
bestb = i;
}
}
}
//Merge the Palettes!!!
palettes[besta] = palMerge(palettes[besta], palettes[bestb]);
calcPaletteDiffs(besta);
paletteCounts[besta] += paletteCounts[bestb];
paletteCounts[bestb] = 0;
for (int x = 0; x < tx; x++)
for (int y = 0; y < ty; y++)
if (paletteNumbers[x, y] == bestb)
paletteNumbers[x, y] = besta;
}
//CREATE THE FINAL PAL
int currNum = 0;
finalPalette = new Color[paletteMaxNum*4];
int[] newPalNums = new int[palettes.Length];
for(int i = 0; i < palettes.Length; i++)
{
if(paletteCounts[i] != 0)
{
//transparentToTheEnd(palettes[i]);
newPalNums[i] = currNum;
Array.Copy(palettes[i], 0, finalPalette, currNum*4, 4);
currNum++;
}
}
ByteArrayOutputStream texDat = new ByteArrayOutputStream();
ByteArrayOutputStream f5Dat = new ByteArrayOutputStream();
for (int y = 0; y < ty; y++)
for (int x = 0; x < tx; x++)
{
//Find out if texel has transparent.
bool hasTransparent = false;
for (int yy = 0; yy < 4; yy++)
for (int xx = 0; xx < 4; xx++)
{
Color coll = img.GetPixel(x * 4 + xx, y * 4 + yy);
if (coll.A < 128)
hasTransparent = true;
}
//WRITE THE IMAGE DATA
for (int yy = 0; yy < 4; yy++)
{
byte b = 0;
byte pow = 1;
for (int xx = 0; xx < 4; xx++)
{
Color coll = img.GetPixel(x*4+xx, y*4+yy);
byte col;
if (coll.A < 128)
{
col = 3;
}
else
{
col = (byte)ImageIndexer.closest(coll, palettes[paletteNumbers[x, y]]);
if (col == 3) col = 2;
}
b |= (byte)(pow * col);
pow *= 4;
}
texDat.writeByte(b);
}
//WRITE THE FORMAT-5 SPECIFIC DATA
ushort dat = (ushort)(newPalNums[paletteNumbers[x, y]] * 2);
if(!hasTransparent)
dat |= 2 << 14;
f5Dat.writeUShort(dat);
}
f5data = f5Dat.getArray();
texdata = texDat.getArray();
}
