/// <summary>
/// Return the tile data at the grid position
/// </summary>
/// <param name="gridX"></param>
/// <param name="gridY"></param>
/// <returns></returns>
public uint GetTileData(int gridX, int gridY)
{
TilemapChunk chunk = GetOrCreateTileChunk(gridX, gridY);
if (chunk == null)
{
return(Tileset.k_TileData_Empty);
}
else
{
int chunkGridX = (gridX < 0 ? -gridX - 1 : gridX) % k_chunkSize;
int chunkGridY = (gridY < 0 ? -gridY - 1 : gridY) % k_chunkSize;
if (gridX < 0)
{
chunkGridX = k_chunkSize - 1 - chunkGridX;
}
if (gridY < 0)
{
chunkGridY = k_chunkSize - 1 - chunkGridY;
}
return(chunk.GetTileData(chunkGridX, chunkGridY));
}
}