private unsafe Tile[] ReadLandBlock(int x, int y)
{
if (_mapStream == null)
return _invalidLandBlock;
_mapStream.Seek(((x * _blockHeight) + y) * 196 + 4, SeekOrigin.Begin);
Tile[] tiles = new Tile[64];
fixed (Tile* pTiles = tiles)
{
byte[] buffer = new byte[192];
_mapStream.Read(buffer, 0, buffer.Length);
using (MemoryStream stream = new MemoryStream(buffer))
using (BinaryReader reader = new BinaryReader(stream))
{
Tile* ptr = pTiles;
for (int i = 0; i < 64; i++)
{
ptr->_id = reader.ReadInt16();
ptr->_z = reader.ReadSByte();
ptr++;
}
}
}
return tiles;
}
public Tile[] GetLandBlock(int x, int y)
{
if (x < 0 || y < 0 || x >= _blockWidth || y >= _blockHeight || _mapStream == null) return _invalidLandBlock;
if (_landTiles[x] == null)
_landTiles[x] = new Tile[_blockHeight][];
Tile[] tiles = _landTiles[x][y] ?? (_landTiles[x][y] = ReadLandBlock(x, y));
return tiles;
}
