public static TextureAtlas Load(MPQArchive mpq, string path, byte[] palette = null)
{
if (palette == null)
{
palette = DefaultPalette;
}
var celFile = CELFile.Load(mpq, path);
int sheetDim = 1024;
while (true)
{
loop:
var packer = new TextureAtlasPacker(sheetDim);
for (int i = 0; i < celFile.NumFrames; ++i)
{
var frame = celFile.GetFrame(i, palette);
int rectId = packer.Insert(frame.Data, frame.Width, frame.Height, true);
if (rectId < 0)
{
sheetDim *= 2;
goto loop;
}
}
return(packer.CreateAtlas());
}
}
public static Level Load(MPQArchive mpq)
{
var palette = new byte[768];
using (var f = mpq.Open("levels/towndata/town.pal")) {
var len = f.Read(palette, 0, 768);
Debug.Assert(len == palette.Length);
}
byte[] solData;
using (var f = mpq.Open("levels/towndata/town.sol")) {
solData = new byte[f.Length];
var len = f.Read(solData, 0, (int)f.Length);
Debug.Assert(len == f.Length);
}
var celFile = CELFile.Load(mpq, "levels/towndata/town.cel");
var minFile = MINFile.Load(mpq, "levels/towndata/town.min");
var tilFile = TILFile.Load(mpq, "levels/towndata/town.til");
var dunNames = new string[] {
"levels/towndata/sector1s.dun",
"levels/towndata/sector2s.dun",
"levels/towndata/sector3s.dun",
"levels/towndata/sector4s.dun"
};
var sectors = new SectorTemplate[4];
for (int i = 0; i < dunNames.Length; ++i)
{
var dunFile = DUNFile.Load(mpq, dunNames[i]);
sectors[i] = new SectorTemplate(dunFile, tilFile, solData);
}
int mapWidth = sectors[0].Width + sectors[3].Width;
int mapHeight = sectors[0].Height + sectors[3].Height;
var map = new Map(mapWidth, mapHeight);
map.PlaceSector(sectors[3], 0, 0);
map.PlaceSector(sectors[2], 0, sectors[3].Height);
map.PlaceSector(sectors[1], sectors[3].Width, 0);
map.PlaceSector(sectors[0], sectors[3].Width, sectors[3].Height);
var packer = new TextureAtlasPacker(2048);
for (int i = 0; i < celFile.NumFrames; ++i)
{
var frame = celFile.GetFrame(i, palette);
int rectId = packer.Insert(frame.Data, frame.Width, frame.Height, true);
if (rectId < 0)
{
throw new Exception("atlas is full: " + i);
}
}
var atlas = packer.CreateAtlas();
return(new Level {
Map = map,
Tileset = atlas,
PillarDefs = minFile
});
}