add support power charge bar

OpenRA.Mods.RA/OpenRA.Mods.RA.csproj

@@ -102,6 +102,7 @@
     <Compile Include="Buildings\TechTree.cs" />
     <Compile Include="Buildings\Util.cs" />
     <Compile Include="ProximityCaptor.cs" />
+    <Compile Include="SupportPowers\SupportPowerChargeBar.cs" />
     <Compile Include="Valued.cs" />
     <Compile Include="Combat.cs" />
     <Compile Include="Player\SurrenderOnDisconnect.cs" />

OpenRA.Mods.RA/SupportPowers/SupportPowerChargeBar.cs

@@ -0,0 +1,43 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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.Drawing;
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	class SupportPowerChargeBarInfo : ITraitInfo
+	{
+		public object Create(ActorInitializer init) { return new SupportPowerChargeBar(init.self); }
+	}
+
+	class SupportPowerChargeBar : ISelectionBar
+	{
+		Actor self;
+		public SupportPowerChargeBar(Actor self) { this.self = self; }
+
+		public float GetValue()
+		{
+			// only people we like should see our charge status.
+			if (self.World.LocalPlayer != null && self.Owner.Stances[self.World.LocalPlayer] != Stance.Ally)
+				return 0;
+
+			var spm = self.Owner.PlayerActor.Trait<SupportPowerManager>();
+			var power = spm.GetPowersForActor(self).FirstOrDefault(sp => !sp.Disabled);
+
+			if (power == null) return 0;
+
+			return 1 - (float)power.RemainingTime / power.TotalTime;
+		}
+
+		public Color GetColor() { return Color.Magenta; }
+	}
+}

OpenRA.Mods.RA/SupportPowers/SupportPowerManager.cs

@@ -36,6 +36,11 @@ namespace OpenRA.Mods.RA
 			init.world.ActorRemoved += ActorRemoved;
 		}
 
+		static string MakeKey(SupportPower sp)
+		{
+			return sp.Info.AllowMultiple ? sp.Info.OrderName + "_" + sp.self.ActorID : sp.Info.OrderName;
+		}
+		
 		void ActorAdded(Actor a)
 		{
 			if (a.Owner != self.Owner || !a.HasTrait<SupportPower>())
@@ -43,7 +48,7 @@ namespace OpenRA.Mods.RA
 			
 			foreach (var t in a.TraitsImplementing<SupportPower>())
 			{
-				var key = (t.Info.AllowMultiple) ? t.Info.OrderName+"_"+a.ActorID : t.Info.OrderName;
+				var key = MakeKey(t);
 				
 				if (Powers.ContainsKey(key))
 				{
@@ -70,7 +75,7 @@ namespace OpenRA.Mods.RA
 			
 			foreach (var t in a.TraitsImplementing<SupportPower>())
 			{
-				var key = (t.Info.AllowMultiple) ? t.Info.OrderName+"_"+a.ActorID : t.Info.OrderName;
+				var key = MakeKey(t);
 				Powers[key].Instances.Remove(t);
 				if (Powers[key].Instances.Count == 0 && !Powers[key].Disabled)
 					Powers.Remove(key);
@@ -96,6 +101,17 @@ namespace OpenRA.Mods.RA
 				Powers[key].Target();
 		}
 
+		static readonly SupportPowerInstance[] NoInstances; 
+
+		public IEnumerable<SupportPowerInstance> GetPowersForActor(Actor a)
+		{
+			if (a.Owner != self.Owner || !a.HasTrait<SupportPower>())
+				return NoInstances;
+
+			return a.TraitsImplementing<SupportPower>()
+				.Select(t => Powers[MakeKey(t)]);
+		}
+		
 		public class SupportPowerInstance
 		{
 			readonly SupportPowerManager Manager;

mods/ra/rules/structures.yaml

@@ -35,6 +35,8 @@ MSLO:
 		SpawnOffset: 10,0
 	CanPowerDown:
 	RequiresPower:
+	SupportPowerChargeBar:
+	
 GAP:
 	RequiresPower:
 	CanPowerDown:
@@ -211,6 +213,7 @@ IRON:
 		SelectTargetSound: slcttgt1.aud
 		BeginChargeSound: ironchg1.aud
 		EndChargeSound: ironrdy1.aud
+	SupportPowerChargeBar:
 
 PDOX:
 	RequiresPower:
@@ -250,6 +253,7 @@ PDOX:
 		EndChargeSound: chrordy1.aud
 		Duration: 30
 		KillCargo: yes
+	SupportPowerChargeBar:
 
 TSLA:
 	RequiresPower:
@@ -546,6 +550,7 @@ ATEK:
 		LongDesc: Reveals the entire map
 		RevealDelay: 15
 		LaunchSound: satlnch1.aud
+	SupportPowerChargeBar:
 
 WEAP:
 	Inherits: ^Building
@@ -770,6 +775,7 @@ AFLD:
 		DropItems: E1,E1,E1,E3,E3
 		SelectTargetSound: slcttgt1.aud
 	ProductionBar:
+	SupportPowerChargeBar:
 	
 POWR:
 	Inherits: ^Building