public Sprite Crop(Rectangle rect)
{
if (rect.Width == Width && rect.Height == Height)
{
return(this);
}
if (rect.Width == 0 && rect.Height == 0)
{
return(new Sprite()); // return empty sprite
}
BitmapBits newimg = new BitmapBits(rect.Width, rect.Height);
newimg.DrawBitmapBounded(Image, -rect.X, -rect.Y);
return(new Sprite(newimg, new Point(X + rect.X, Y + rect.Y)));
}
private static void SpriteToMap(Rectangle sprite, Point center, BitmapBits plane, List <byte[]> tiles, MappingsFrame mapframe, DPLCFrame dplcframe, byte startpal, bool pri, bool twoplayer)
{
BitmapBits bmp = plane.GetSection(sprite);
if (bmp.Width % 8 != 0 || bmp.Height % 8 != 0)
{
int w = bmp.Width;
if (w % 8 != 0)
{
w = (w & ~7) + 8;
}
int h = bmp.Height;
if (h % 8 != 0)
{
h = (h & ~7) + 8;
}
BitmapBits tmp = new BitmapBits(w, h);
tmp.DrawBitmapBounded(bmp, 0, 0);
bmp = tmp;
}
int tw = bmp.Width / 8;
int th = bmp.Height / 8;
byte[,] tilepals = new byte[tw, th];
for (int ty = 0; ty < th; ty++)
{
for (int tx = 0; tx < tw; tx++)
{
tilepals[tx, ty] = 0xFF;
int[] palcnt = new int[4];
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
if (bmp[tx * 8 + x, ty * 8 + y] % 16 != 0)
{
palcnt[bmp[tx * 8 + x, ty * 8 + y] / 16]++;
}
}
}
if (!palcnt.FastArrayEqual(0))
{
tilepals[tx, ty] = 0;
for (int i = 1; i < 4; i++)
{
if (palcnt[i] > palcnt[tilepals[tx, ty]])
{
tilepals[tx, ty] = (byte)i;
}
}
}
}
}
int numtiles = 0;
for (int ty = 0; ty < th; ty++)
{
for (int tx = 0; tx < tw; tx++)
{
if (tilepals[tx, ty] != 0xFF)
{
int w = Math.Min(4, (tw) - tx);
for (int x = 1; x < w; x++)
{
if (tilepals[tx + x, ty] != tilepals[tx, ty])
{
w = x;
}
}
int h = Math.Min(4, (th) - ty);
for (int y = 1; y < h; y++)
{
for (int x = 0; x < w; x++)
{
if (tilepals[tx + x, ty + y] != tilepals[tx, ty])
{
h = y;
}
}
}
if (twoplayer && h % 2 == 1)
{
h++;
}
if (dplcframe != null)
{
mapframe.Tiles.Add(new MappingsTile((short)((tx * 8) - center.X), (short)((ty * 8) - center.Y), (byte)w, (byte)h, (ushort)numtiles, false, false, startpal, pri));
dplcframe.Tiles.Add(new DPLCEntry((byte)(w * h), (ushort)tiles.Count));
}
else
{
mapframe.Tiles.Add(new MappingsTile((short)((tx * 8) - center.X), (short)((ty * 8) - center.Y), (byte)w, (byte)h, (ushort)tiles.Count, false, false, startpal, pri));
}
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
if (ty + y < th)
{
tiles.Add(bmp.ToTile((tx + x) * 8, (ty + y) * 8));
tilepals[tx + x, ty + y] = 0xFF;
}
else
{
tiles.Add(new byte[32]);
}
}
}
numtiles += w * h;
tx += w - 1;
}
}
}
}