support power impl pretty much done

OpenRa.Game/Chrome.cs

@@ -729,15 +729,18 @@ namespace OpenRa.Game
 
 					buildPaletteRenderer.DrawSprite(clock.Image, drawPos, PaletteType.Chrome);
 
+					var rect = new Rectangle(5, y, 64, 48);
 					if (sp.Value.IsDone)
 					{
 						ready.Play("ready");
 						buildPaletteRenderer.DrawSprite(ready.Image, 
 							drawPos + new float2((64 - ready.Image.size.X) / 2, 2), 
 							PaletteType.Chrome);
+
+						AddButton(rect, HandleSupportPower( sp.Value ));
 					}
 
-					var rect = new Rectangle(5, y, 64, 48);
+					
 					if (rect.Contains(lastMousePos.ToPoint()))
 					{
 						tooltipItem = sp.Key;
@@ -754,6 +757,11 @@ namespace OpenRa.Game
 				DrawSupportPowerTooltip(tooltipItem, tooltipPos);
 		}
 
+		Action<bool> HandleSupportPower(SupportPower sp)
+		{
+			return b => { if (b) sp.Activate(); };
+		}
+
 		string FormatTime(int ticks)
 		{
 			var seconds = ticks / 25;

OpenRa.Game/GameRules/SupportPowerInfo.cs

@@ -16,5 +16,6 @@ namespace OpenRa.Game.GameRules
 		public readonly string[] Prerequisite = { };
 		public readonly int TechLevel = -1;
 		public readonly bool GivenAuto = true;
+		public readonly string Impl = null;
 	}
 }

OpenRa.Game/OpenRa.Game.csproj

@@ -120,6 +120,8 @@
     <Compile Include="Smudge.cs" />
     <Compile Include="Sound.cs" />
     <Compile Include="SupportPower.cs" />
+    <Compile Include="SupportPowers\ISupportPowerImpl.cs" />
+    <Compile Include="SupportPowers\NullPower.cs" />
     <Compile Include="Support\Stopwatch.cs" />
     <Compile Include="Support\PerfHistory.cs" />
     <Compile Include="Traits\AcceptsOre.cs" />

OpenRa.Game/SupportPower.cs

@@ -3,6 +3,8 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using OpenRa.Game.GameRules;
+using OpenRa.Game.Traits;
+using OpenRa.Game.SupportPowers;
 
 namespace OpenRa.Game
 {
@@ -10,15 +12,25 @@ namespace OpenRa.Game
 	{
 		public readonly SupportPowerInfo Info;
 		public readonly Player Owner;
+		readonly ISupportPowerImpl Impl;
+
+		static ISupportPowerImpl ConstructPowerImpl(string implName)
+		{
+			var type = typeof(ISupportPowerImpl).Assembly.GetType(
+				typeof(ISupportPowerImpl).Namespace + "." + implName, true, false);
+			var ctor = type.GetConstructor(Type.EmptyTypes);
+			return (ISupportPowerImpl)ctor.Invoke(new object[] { });
+		}
 
 		public SupportPower(SupportPowerInfo info, Player owner)
 		{
 			Info = info;
 			Owner = owner;
-
 			RemainingTime = TotalTime = (int)info.ChargeTime * 60 * 25;
+			Impl = ConstructPowerImpl(info.Impl);
 		}
 
+		public bool IsUsed;
 		public bool IsAvailable { get; private set; }
 		public bool IsDone { get { return RemainingTime == 0; } }
 		public int RemainingTime { get; private set; }
@@ -26,6 +38,9 @@ namespace OpenRa.Game
 
 		public void Tick()
 		{
+			if (Info.OneShot && IsUsed)
+				return;
+
 			if (Info.GivenAuto)
 			{
 				var buildings = Rules.TechTree.GatherBuildings(Owner);
@@ -47,6 +62,25 @@ namespace OpenRa.Game
 
 		public void Activate()
 		{
+			if (Impl != null)
+				Impl.Activate(this);
+		}
+
+		public void FinishActivate()
+		{
+			if (Info.OneShot)
+			{
+				IsUsed = true; 
+				IsAvailable = false;
+			}
+			RemainingTime = TotalTime;
+		}
+
+		public void Give(bool requireCharge)		// called by crate/spy/etc code
+		{
+			IsAvailable = true;
+			IsUsed = false;
+			RemainingTime = requireCharge ? TotalTime : 0;
 		}
 	}
 }

OpenRa.Game/SupportPowers/ISupportPowerImpl.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.SupportPowers
+{
+	interface ISupportPowerImpl
+	{
+		void Activate(SupportPower p);
+	}
+}

OpenRa.Game/SupportPowers/NullPower.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.SupportPowers
+{
+	class NullPower : ISupportPowerImpl
+	{
+		public void Activate(SupportPower p)
+		{
+			// if this was a real power, i'd do something here!
+			throw new NotImplementedException();
+		}
+	}
+}

units.ini

@@ -830,6 +830,7 @@ LongDesc=A Badger drops a squad of Riflemen \nanywhere on the map
 Prerequisite=AFLD
 TechLevel=5
 Image=pinficon
+Impl=NullPower
 
 [ParabombPower]			; picked up in a crate
 ChargeTime=14
@@ -840,6 +841,7 @@ Powered=no
 Image=pbmbicon
 TechLevel=8
 GivenAuto=no
+Impl=NullPower
 
 [SonarPulsePower]		; picked up in a crate, or by spy -> spen/syrd
 ChargeTime=10
@@ -850,6 +852,7 @@ Powered=no
 Image=sonricon
 TechLevel=5
 GivenAuto=no
+Impl=NullPower
 
 [ChronoshiftPower]		; free with Chronosphere... sortof the point.
 ChargeTime=7
@@ -858,6 +861,7 @@ LongDesc=Temporarily teleports a vehicle across \nthe map.
 Prerequisite=PDOX
 Image=warpicon
 TechLevel=12
+Impl=NullPower
 
 [SpyPlanePower]			; free with first AFLD
 ChargeTime=3
@@ -866,6 +870,7 @@ Description=Spy Plane
 LongDesc=Reveals an area of the map.
 Prerequisite=AFLD
 Image=smigicon
+Impl=NullPower
 
 [NukePower]				; the point of MSLO
 ChargeTime=13
@@ -874,6 +879,7 @@ LongDesc=Launches a nuclear missile at your target
 Prerequisite=MSLO
 Image=atomicon
 TechLevel=12
+Impl=NullPower
 
 [GpsSatellitePower]		; free with ATEK
 ChargeTime=8
@@ -883,6 +889,7 @@ OneShot=yes
 Prerequisite=ATEK
 Image=gpssicon
 TechLevel=12
+Impl=NullPower
 
 [InvulnerabilityPower]	; the point of IRON
 ChargeTime=11
@@ -890,4 +897,5 @@ Description=Invulnerability
 LongDesc=Makes a single unit invulnerable for a \nshort time.
 Image=infxicon
 Prerequisite=IRON
-TechLevel=12
+TechLevel=12
+Impl=NullPower