Region.ToTerrainRegion C# (CSharp) Method

	public void ToTerrainRegion( out Region reg )
	{
		Region offset = TerrainManager.use.currentTerrainRegion;
		reg.left = Mathf.Max(0, left-offset.left);
		reg.right = Mathf.Min((int)TerrainManager.terrainData.size.x-1, right-offset.left);
		reg.top = Mathf.Min((int)TerrainManager.terrainData.size.z-1, top-offset.bottom);
		reg.bottom = Mathf.Max(0, bottom-offset.bottom);
	}
	

	public void OnSelectionChanged(ResourceTileSelection selection)
	{
		List<int> ids = new List<int>(selection.resource_tile_ids);
		if (tileIds.Count == ids.Count) {
			return;
		}
		if (ids.Count <= 0) {
			FloodFill();
		} else {
			if (tileIds.Count < ids.Count) {
				tileIds = ids;
			}
			TerrainManager.Status status;
			ResourceTileLite[] tiles = TerrainManager.GetResourceTileCacheGroup(out status,tileIds.ToArray());
			if (status == TerrainManager.Status.Succeeded) {
				Region region = new Region(tiles);
				region.ToTerrainRegion(out region);
				PaintRegion(region);
			}
		}
		tileIds = ids;
	}