public TSA_Image(
Palette palettes,
Tileset graphics,
TSA_Array tsa)
{
if (palettes == null)
{
throw new Exception("Given palette data is null");
}
if (graphics == null)
{
throw new Exception("Given tileset data is null");
}
if (palettes.Count % GBA.Palette.MAX != 0)
{
throw new Exception("Given palette data has invalid length");
}
Width = tsa.Width * 8;
Height = tsa.Height * 8;
Tiling = tsa;
Graphics = graphics;
Palettes = Palette.Split(palettes, palettes.Count / Palette.MAX);
}
/// <summary>
/// Automatically generates a TSA-compliant image from a 256(or fewer)-color image
/// </summary>
/// <param name="width">Width of the TSA (in tiles)</param>
/// <param name="height">Height of the TSA (in tiles)</param>
/// <param name="image">The bitmap to convert</param>
/// <param name="paletteAmount">the maximum amount of 16-color palettes</param>
/// <param name="checkRedundantTiles">whether or not to add all tiles found to the tileset</param>
public TSA_Image(
int width, int height,
GBA.Bitmap image,
int paletteAmount,
bool checkRedundantTiles)
{
Width = width * 8;
Height = height * 8;
if (image.Width != Width || image.Height != Height)
{
throw new Exception("Image given has invalid dimensions.\n" +
"It must be " + Width + "x" + Height + " pixels.");
}
if (image.Colors.Count <= 16)
{ // No need to run TSA-ifier code
Palettes = Palette.Split(image.Colors, paletteAmount);
Graphics = new Tileset(new Image(image));
Tiling = TSA_Array.GetBasicTSA(width, height);
}
else
{
using (FormLoading loading = new FormLoading())
{ // Run the image TSA-ifier
loading.Show();
int tileAmount = width * height;
byte[] bytes = image.ToBytes();
int[] colorTotals = new int[image.Colors.Count];
int[,] colorAmounts = new int[image.Colors.Count, tileAmount];
loading.SetLoading("Checking colors...", 2);
int index;
int tile = 0;
for (int tileY = 0; tileY < height; tileY++)
{
for (int tileX = 0; tileX < width; tileX++)
{
index = tileX * 8 + tileY * 8 * Width;
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
colorTotals[bytes[index]]++;
colorAmounts[bytes[index], tile]++;
}
index += Width - 8;
}
tile++;
} // first we take a look at which colors are most present (in all, and per tile)
}
loading.SetPercent(7);
List <int> colors = new List <int>();
for (int i = 0; i < colorTotals.Length; i++)
{
index = 0;
while (index < colors.Count && colorTotals[i] > colors[index])
{
index++;
}
if (index < colors.Count)
{
colors.Insert(index, i);
}
else
{
colors.Add(i);
}
if (colors.Count > paletteAmount * 15)
{
colors.RemoveAt(0);
}
} // then we create a list of indices to colors with only the most used colors
loading.SetPercent(9);
Palettes = new Palette[paletteAmount];
for (int i = 0; i < paletteAmount; i++)
{
Palettes[i] = new GBA.Palette(16);
Palettes[i].Add(new GBA.Color(0x0000));
} // we create our palettes, forcing the 1st color to be black on each palette
loading.SetLoading("Asserting tile palettes...", 10);
byte[] tilePalettes = new byte[tileAmount];
int[] certainty = new int[tileAmount];
GBA.Color color;
int amount;
for (int i = colors.Count - 1; i >= 0; i--)
{
color = image.Colors[colors[i]];
tile = 0;
while (tile < tilePalettes.Length)
{
amount = colorAmounts[colors[i], tile];
if (Palettes[tilePalettes[tile]].Contains(color))
{
certainty[tile] += amount;
}
else
{
if (Palettes[tilePalettes[tile]].IsFull)
{
if (certainty[tile] < amount)
{
tilePalettes[tile]++;
tilePalettes[tile] %= (byte)Palettes.Length;
certainty[tile] = 0;
i++; break;
}
else
{
certainty[tile] -= amount;
}
}
else if (amount != 0)
{
Palettes[tilePalettes[tile]].Add(color);
certainty[tile] += amount;
}
}
tile++;
}
loading.SetPercent(10 + (50 - 50 * ((float)i / (float)(colors.Count))));
} // and we do a loop going from most used color to least used, setting tilePalettes and filling said palettes
amount = 0;
for (int p = 0; p < Palettes.Length; p++)
{
Palettes[p].Sort(delegate(GBA.Color first, GBA.Color second)
{
return((first.GetValueR() + first.GetValueG() + first.GetValueB())
- (second.GetValueR() + second.GetValueG() + second.GetValueB()));
});
for (int i = Palettes[p].Count; i < 16; i++)
{
Palettes[p].Add(new Color(0x0000));
}
}
loading.SetMessage("Creating TSA information...");
Graphics = new Tileset(width * height);
Tiling = new TSA_Array(width, height);
int pixel;
tile = 0;
byte HI_nibble;
byte LO_nibble;
Tile currentTile;
Tuple <int, bool, bool> current;
for (int tileY = 0; tileY < height; tileY++)
{
for (int tileX = 0; tileX < width; tileX++)
{
index = (Palettes[tilePalettes[tile]].IsFull) ? tilePalettes[tile] : 0;
bytes = new byte[GBA.Tile.LENGTH];
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 4; x++)
{
color = image.GetColor(tileX * 8 + x * 2, tileY * 8 + y);
pixel = GBA.Color.GetNearest(Palettes[index], color);
LO_nibble = (pixel == -1) ? (byte)0x00 : (byte)(pixel);
color = image.GetColor(tileX * 8 + x * 2 + 1, tileY * 8 + y);
pixel = GBA.Color.GetNearest(Palettes[index], color);
HI_nibble = (pixel == -1) ? (byte)0x00 : (byte)(pixel);
bytes[x + y * 4] = (byte)((HI_nibble << 4) | LO_nibble);
}
}
currentTile = new Tile(bytes);
if (checkRedundantTiles)
{
if (currentTile.IsEmpty())
{
current = Tuple.Create(0, false, false);
}
else
{
current = Graphics.FindMatch(currentTile);
if (current == null)
{
current = Tuple.Create(Graphics.Count, false, false);
Graphics.Add(currentTile);
}
}
}
else
{
current = Tuple.Create(Graphics.Count, false, false);
Graphics.Add(currentTile);
}
// try {
Tiling[tileX, tileY] = new TSA(
(UInt16)current.Item1,
tilePalettes[tile],
current.Item2,
current.Item3);
// } catch { }
loading.SetPercent(60 + 40 * ((float)tile / (float)tileAmount));
tile++;
}
}
}
}
}