private void _setupMap()
{
if (_map == null)
{
bool hasWater = _rsw != null;
int waterHeight = _rsw != null ? (int)BitConverter.ToSingle(_rsw, 166) : -1;
_map = new MapInfo(_name);
_map.Xs = BitConverter.ToUInt16(_gat, 6);
_map.Ys = BitConverter.ToUInt16(_gat, 10);
_map.Data = new byte[_map.Xs * _map.Ys];
int offset = 14;
for (int i = 0; i < _map.Len; i++)
{
float height = BitConverter.ToSingle(_gat, offset);
int cellType = BitConverter.ToInt32(_gat, offset + 16);
offset += 20;
if (hasWater && cellType == 0 && height > waterHeight)
{
cellType = 3;
}
_map.Data[i] = (byte)cellType;
}
_map.Data = Compression.CompressZlib(_map.Data);
_map.Added = true;
_gat = null;
_rsw = null;
}
}