Move Targetable*, Seeds/StoresResource(s) and two RenderBuilding traits to Mods.Common

OpenRA.Mods.Common/Traits/StoresResources.cs

@@ -0,0 +1,68 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Used for silos.")]
+	class StoresResourcesInfo : ITraitInfo
+	{
+		[Desc("Number of little squares used to display how filled unit is.")]
+		public readonly int PipCount = 0;
+		public readonly PipType PipColor = PipType.Yellow;
+		public readonly int Capacity = 0;
+		public object Create(ActorInitializer init) { return new StoresResources(init.Self, this); }
+	}
+
+	class StoresResources : IPips, INotifyOwnerChanged, INotifyCapture, INotifyKilled, IExplodeModifier, IStoreResources, ISync
+	{
+		readonly StoresResourcesInfo info;
+
+		[Sync] public int Stored { get { return player.ResourceCapacity == 0 ? 0 : info.Capacity * player.Resources / player.ResourceCapacity; } }
+
+		PlayerResources player;
+		public StoresResources(Actor self, StoresResourcesInfo info)
+		{
+			player = self.Owner.PlayerActor.Trait<PlayerResources>();
+			this.info = info;
+		}
+
+		public int Capacity { get { return info.Capacity; } }
+
+		public void OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
+		{
+			player = newOwner.PlayerActor.Trait<PlayerResources>();
+		}
+
+		public void OnCapture(Actor self, Actor captor, Player oldOwner, Player newOwner)
+		{
+			var resources = Stored;
+			oldOwner.PlayerActor.Trait<PlayerResources>().TakeResources(resources);
+			newOwner.PlayerActor.Trait<PlayerResources>().GiveResources(resources);
+		}
+
+		public void Killed(Actor self, AttackInfo e)
+		{
+			player.TakeResources(Stored); // lose the stored resources
+		}
+
+		public IEnumerable<PipType> GetPips(Actor self)
+		{
+			return Enumerable.Range(0, info.PipCount).Select(i =>
+				player.Resources * info.PipCount > i * player.ResourceCapacity
+				? info.PipColor : PipType.Transparent);
+		}
+
+		public bool ShouldExplode(Actor self) { return Stored > 0; }
+	}
+}