/// <summary>
/// The effective anchor point, if not defined otherwise
/// will be aligned to the bottom edge of the graphic and
/// centred horizontally.
/// </summary>
/// <param name="tile"></param>
/// <returns></returns>
public IntPoint ComputeEffectiveAnchorPoint(TextureTile tile)
{
var tileSize = EffectiveTileSize;
var size = EffectiveCellSize;
var anchorPointX = tile.AnchorX ?? AnchorX ?? size.Width / 2;
var anchorPointY = tile.AnchorY ?? AnchorY ?? size.Height - tileSize.Height / 2;
return(new IntPoint(anchorPointX, anchorPointY));
}
public TextureGrid WithTextureTile([JetBrains.Annotations.NotNull] TextureTile t)
{
if (t == null)
{
throw new ArgumentNullException(nameof(t));
}
Tiles.Add(t);
return(this);
}
public static TextureTile ReadTiles(XElement tile)
{
var x = (int?)tile.AttributeLocal("x") ?? throw new XmlParseException("Required attribute 'y' not found", tile);
var y = (int?)tile.AttributeLocal("y") ?? throw new XmlParseException("Required attribute 'y' not found", tile);
var anchorX = (int?)tile.AttributeLocal("anchor-x");
var anchorY = (int?)tile.AttributeLocal("anchor-y");
var name = (string?)tile.ElementLocal("name");
var tags =
from e in tile.Elements()
where e.Name.LocalName == "tag"
select(string) e;
var tagsAsList = tags.ToList();
if (name != null && tagsAsList.Count == 0)
{
tagsAsList.Add(name);
}
var tag = (string?)tile.AttributeLocal("tag");
var autoGenerated = (bool?)tile.ElementLocal("metadata")?.Attribute("auto-generated") ?? false;
var selectorHint = (string?)tile.ElementLocal("metadata")?.Attribute("selector-hint");
var tileValue = new TextureTile(autoGenerated)
{
X = x,
Y = y,
AnchorX = anchorX,
AnchorY = anchorY,
SelectorHint = selectorHint
};
if (!string.IsNullOrWhiteSpace(tag) && !tagsAsList.Contains(tag))
{
tileValue.Tags.Add(tag);
}
tileValue.Tags.AddRange(tagsAsList);
return(tileValue);
}
public static XElement GenerateTile(TextureTile tile)
{
var tileElement = new XElement(Namespace + "tile");
tileElement.Add(new XAttribute("x", tile.X));
tileElement.Add(new XAttribute("y", tile.Y));
tile.AnchorX.ForNonNull(a => tileElement.Add(new XAttribute("anchor-x", a)));
tile.AnchorY.ForNonNull(a => tileElement.Add(new XAttribute("anchor-y", a)));
var md = new XElement(Namespace + "metadata");
if (tile.AutoGenerated)
{
md.Add(new XAttribute("auto-generated", tile.AutoGenerated));
}
if (!string.IsNullOrEmpty(tile.SelectorHint))
{
md.Add(new XAttribute("selector-hint", tile.SelectorHint));
}
if (md.HasElements || md.HasAttributes)
{
tileElement.Add(md);
}
var filteredTags = tile.Tags.Where(tn => !string.IsNullOrEmpty(tn)).ToList();
if (filteredTags.Count == 1)
{
tileElement.Add(new XAttribute("tag", filteredTags[0]));
}
else
{
tileElement.AddRange(filteredTags.Select(t => new XElement(Namespace + "tag", t)));
}
return(tileElement);
}