homing torps, bubble trail

OpenRA.Mods.RA/Effects/Missile.cs

@@ -123,7 +123,8 @@ namespace OpenRA.Mods.RA.Effects
 
 		public IEnumerable<Renderable> Render()
 		{
-			yield return new Renderable(anim.Image, Pos - 0.5f * anim.Image.size - new float2(0, Altitude), "effect", (int)Pos.Y);
+			yield return new Renderable(anim.Image, Pos - 0.5f * anim.Image.size - new float2(0, Altitude), 
+				Args.weapon.Underwater ? "shadow" : "effect", (int)Pos.Y);
 		}
 	}
 }

mods/ra/sequences.yaml

@@ -1811,4 +1811,10 @@ ftrk:
 		Facings: 32
 	turret:
 		Start: 32
-		Facings: 32
+		Facings: 32
+
+bubbles:
+	idle:
+		Start: 0
+		Length: *
+		Tick: 120

mods/ra/weapons.yaml

@@ -696,9 +696,13 @@ TorpTube:
 	Underwater: yes
 	Burst: 2
 	BurstDelay: 1
-	Projectile: Bullet
+	Projectile: Missile
 		Image: MISSILE
-		Speed: 6
+		Arm: 3
+		Speed: 8
+		Trail: bubbles
+		ROT: 5
+		RangeLimit: 100
 	Warhead:
 		Spread: 3
 		Versus: