Integrated HitShapes

Integrated hit shapes with field loader and warhead calculations.

OpenRA.Mods.Common/Traits/Health.cs

@@ -8,7 +8,9 @@
  */
 #endregion
 
+using System;
 using System.Linq;
+using OpenRA.Mods.Common.HitShapes;
 using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
@@ -17,13 +19,39 @@ namespace OpenRA.Mods.Common.Traits
 	{
 		[Desc("HitPoints")]
 		public readonly int HP = 0;
-
-		[Desc("Physical size of the unit used for damage calculations. Impacts within this radius apply full damage.")]
-		public readonly WDist Radius = new WDist(426);
-
 		[Desc("Trigger interfaces such as AnnounceOnKill?")]
 		public readonly bool NotifyAppliedDamage = true;
 
+		[FieldLoader.LoadUsing("LoadShape")]
+		public readonly IHitShape Shape;
+
+		static object LoadShape(MiniYaml yaml)
+		{
+			IHitShape ret;
+
+			var shapeNode = yaml.Nodes.Find(n => n.Key == "Shape");
+			var shape = shapeNode != null ? shapeNode.Value.Value : string.Empty;
+
+			if (!string.IsNullOrEmpty(shape))
+			{
+				ret = Game.CreateObject<IHitShape>(shape + "Shape");
+
+				try
+				{
+					FieldLoader.Load(ret, shapeNode.Value);
+				}
+				catch (YamlException e)
+				{
+					throw new YamlException("HitShape {0}: {1}".F(shape, e.Message));
+				}
+			}
+			else
+				ret = new CircleShape();
+
+			ret.Initialize();
+			return ret;
+		}
+
 		public virtual object Create(ActorInitializer init) { return new Health(init, this); }
 	}