IntDimension ComputeContentSize()
{
var tileCount = MatchTypeStrategyFactory.StrategyFor(grid.MatcherType).GetTileArea(grid);
var maxX = tileCount.Width;
var maxY = tileCount.Height;
var cs = grid.EffectiveCellSize;
var pixelWidth = cs.Width * maxX;
var pixelHeight = cs.Height * maxY;
var paddedWidth = Math.Max(0, maxX - 1) * grid.CellSpacing;
var paddedHeight = Math.Max(0, maxY - 1) * grid.CellSpacing;
return(new IntDimension(pixelWidth + paddedWidth, pixelHeight + paddedHeight));
}
public static void Regenerate(TextureGrid grid)
{
if (grid.MatcherType == MatcherType.Basic)
{
return;
}
// preserve any tiles a user has placed manually
// should not happen via the UI, but if they added something via
// the XML file, we try our best to keep it alive.
var preservedTiles = grid.Tiles.Where(t => !t.AutoGenerated).ToList();
var newTiles = MatchTypeStrategyFactory.StrategyFor(grid.MatcherType)
.Generate(grid);
foreach (var t in newTiles.Where(t => !TileAlreadyExists(preservedTiles, t)))
{
preservedTiles.Add(t);
}
grid.Tiles.ReplaceAll(preservedTiles);
}