public TileChunk LoadChunk(long chunkId)
{
var fileName = Path.Combine(Path.Combine("Assets", "Data"), "tile_0.bin");
using (var stream = File.OpenRead(fileName))
{
var chunkFile = ChunkFileFormat.Deserialize(stream);
var tiles = ReadTiles(chunkFile);
return(new TileChunk(new Position.Coordinate(0, 0), chunkFile.Width, chunkFile.Height, tiles));
}
}
private Tile[] ReadTiles(ChunkFileFormat chunkFile)
{
var tiles = new Tile[chunkFile.Width * chunkFile.Height];
for (var i = 0; i < tiles.Length; ++i)
{
tiles[i] = new Tile(chunkFile.Layers.Length);
}
for (var layer = 0; layer < chunkFile.Layers.Length; ++layer)
{
ReadTileLayer(tiles, layer, DecodeLayer(chunkFile, layer));
}
return(tiles);
}
private int[] DecodeLayer(ChunkFileFormat chunkFile, int layerIndex)
{
var layerTiles = new int[chunkFile.Width * chunkFile.Height];
var currentPosition = 0;
var layer = chunkFile.Layers[layerIndex].Tiles;
for (var i = 0; i < layer.Length; i += 2)
{
var numTiles = layer[i];
var tile = layer[i + 1];
for (var j = 0; j < numTiles; ++j)
{
layerTiles[currentPosition++] = tile;
}
}
return(layerTiles);
}
