explosions are more or less correct now

OpenRa.Game/Bullet.cs

@@ -59,9 +59,15 @@ namespace OpenRa.Game
 			t += 40;
 
 			if (t > TotalTime())		/* remove finished bullets */
-			{
-				Game.world.AddFrameEndTask(w => w.Remove(this));
-				Game.world.AddFrameEndTask(w => w.Add(new Explosion(Dest)));
+			{
+				Game.world.AddFrameEndTask(w =>
+				{
+					w.Remove(this); 
+					w.Add(new Explosion(Dest, Warhead.Explosion)); 
+
+					if (Warhead.ImpactSound != null) 
+						Game.PlaySound(Warhead.ImpactSound + ".aud", false);
+				});
 
 				var maxSpread = GetMaximumSpread();
 				var hitActors = Game.FindUnitsInCircle(Dest, GetMaximumSpread());

OpenRa.Game/Explosion.cs

@@ -13,13 +13,15 @@ namespace OpenRa.Game
 		Animation anim;
 		int2 pos;
 
-		public Explosion(int2 pixelPos)
+		public Explosion(int2 pixelPos, int style)
 		{
 			this.pos = pixelPos;
 
-			anim = new Animation("veh-hit3");
-			anim.PlayThen("idle", () => Game.world.AddFrameEndTask(w => w.Remove(this)));
-			Game.PlaySound("kaboom25.aud", false);
+			anim = new Animation("explosion");
+			if (style != 0)
+				anim.PlayThen(style.ToString(), () => Game.world.AddFrameEndTask(w => w.Remove(this)));
+			else
+				Game.world.AddFrameEndTask(w => w.Remove(this));
 		}
 
 		public void Tick() { anim.Tick(); }

OpenRa.Game/GameRules/WarheadInfo.cs

@@ -16,6 +16,8 @@ namespace OpenRa.Game.GameRules
 		public readonly bool Ore = false;
 		public readonly int Explosion = 0;
 		public readonly int InfDeath = 0;
+		public readonly string ImpactSound = null;
+		public readonly string WaterImpactSound = null;
 
 		public float EffectivenessAgainst(ArmorType at) { return Verses[ (int)at ]; }
 	}

OpenRa.Game/Graphics/Animation.cs

@@ -13,7 +13,7 @@ namespace OpenRa.Game.Graphics
 		public Animation( string name )
 		{
 			this.name = name.ToLowerInvariant();
-			Play( "idle" );
+			// Play( "idle" );
 		}
 
 		public Sprite Image

OpenRa.Game/Traits/RenderBuildingWarFactory.cs

@@ -37,7 +37,8 @@ namespace OpenRa.Game.Traits
 		public override void Tick(Actor self)
 		{
 			base.Tick(self);
-			roof.Tick();
+			if (doneBuilding)
+				roof.Tick();
 
 			var b = self.Bounds;
 			if (isOpen && !Game.SelectUnitsInBox(