Rectangle ITiledTerrainRenderer.TemplateBounds(TerrainTemplateInfo template)
{
Rectangle?templateRect = null;
var tileSize = map.Grid.TileSize;
var i = 0;
for (var y = 0; y < template.Size.Y; y++)
{
for (var x = 0; x < template.Size.X; x++)
{
var tile = new TerrainTile(template.Id, (byte)(i++));
if (!terrainInfo.TryGetTileInfo(tile, out var tileInfo))
{
continue;
}
var sprite = tileCache.TileSprite(tile);
var u = map.Grid.Type == MapGridType.Rectangular ? x : (x - y) / 2f;
var v = map.Grid.Type == MapGridType.Rectangular ? y : (x + y) / 2f;
var tl = new float2(u * tileSize.Width, (v - 0.5f * tileInfo.Height) * tileSize.Height) - 0.5f * sprite.Size;
var rect = new Rectangle((int)(tl.X + sprite.Offset.X), (int)(tl.Y + sprite.Offset.Y), (int)sprite.Size.X, (int)sprite.Size.Y);
templateRect = templateRect.HasValue ? Rectangle.Union(templateRect.Value, rect) : rect;
}
}
return(templateRect ?? Rectangle.Empty);
}
