Shift Actor.Health onto a trait.

Known regressions: - cnc only - health bar colors - can't repair buildings
2010-07-30 00:01:59 +12:00
parent 1e08dc6301
commit 6fba888d45
56 changed files with 530 additions and 303 deletions
--- a/OpenRA.Game/Traits/RepairableBuilding.cs
+++ b/OpenRA.Game/Traits/RepairableBuilding.cs
@@ -0,0 +1,85 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 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 LICENSE.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using OpenRA.Effects;
+using OpenRA.GameRules;
+using OpenRA.Traits.Activities;
+
+namespace OpenRA.Traits
+{
+	public class RepairableBuildingInfo : ITraitInfo, ITraitPrerequisite<HealthInfo>
+	{
+		public readonly float RepairPercent = 0.2f;
+		public readonly float RepairRate = 0.016f;
+		public readonly int RepairStep = 7;
+		public object Create(ActorInitializer init) { return new RepairableBuilding(init.self, this); }
+	}
+
+	public class RepairableBuilding : ITick, IResolveOrder
+	{
+		[Sync]
+		bool isRepairing = false;
+		
+		Health Health;
+		RepairableBuildingInfo Info;
+		public RepairableBuilding(Actor self, RepairableBuildingInfo info)
+		{
+			Health = self.traits.Get<Health>();
+			Info = info;
+		}
+		
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString == "Repair")
+			{
+				isRepairing = !isRepairing;
+			}
+		}
+
+		int remainingTicks;
+		public void Tick(Actor self)
+		{
+			if (!isRepairing) return;
+
+			if (remainingTicks == 0)
+			{
+				var csv = self.Info.Traits.GetOrDefault<CustomSellValueInfo>();
+				var buildingValue = csv != null ? csv.Value : self.Info.Traits.Get<ValuedInfo>().Cost;
+				
+				var costPerHp = (Info.RepairPercent * buildingValue) / Health.MaxHP;
+				var hpToRepair = Math.Min(Info.RepairStep, Health.MaxHP - Health.HP);
+				var cost = (int)Math.Ceiling(costPerHp * hpToRepair);
+				if (!self.Owner.PlayerActor.traits.Get<PlayerResources>().TakeCash(cost))
+				{
+					remainingTicks = 1;
+					return;
+				}
+
+				self.World.AddFrameEndTask(w => w.Add(new RepairIndicator(self)));
+				self.InflictDamage(self, -hpToRepair, null);
+				if (Health.HP == Health.MaxHP)
+				{
+					isRepairing = false;
+					return;
+				}
+				remainingTicks = (int)(Info.RepairRate * 60 * 25);
+			}
+			else
+				--remainingTicks;
+		}
+	}
+	public class AllowsBuildingRepairInfo : TraitInfo<AllowsBuildingRepair> {}
+	public class AllowsBuildingRepair {}
+
+}