add smoke trails for damaged aircraft

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

@@ -60,6 +60,7 @@
     <Compile Include="Activities\Demolish.cs" />
     <Compile Include="Activities\Enter.cs" />
     <Compile Include="Activities\EnterTransport.cs" />
+    <Compile Include="SmokeTrailWhenDamaged.cs" />
     <Compile Include="Strategic\StrategicVictoryConditions.cs" />
     <Compile Include="Strategic\StrategicPoint.cs" />
     <Compile Include="ProximityCapturable.cs" />

OpenRA.Mods.RA/SmokeTrailWhenDamaged.cs

@@ -0,0 +1,31 @@
+#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 OpenRA.Traits;
+using OpenRA.Mods.RA.Effects;
+
+namespace OpenRA.Mods.RA
+{
+	class SmokeTrailWhenDamagedInfo : TraitInfo<SmokeTrailWhenDamaged> { }
+
+	class SmokeTrailWhenDamaged : ITick
+	{
+		public void Tick(Actor self)
+		{
+			if (self.GetDamageState() >= DamageState.Heavy)
+				self.World.AddFrameEndTask(
+					w => { if (!self.Destroyed) w.Add(
+						new Smoke(w, self.CenterLocation.ToInt2() 
+							- new int2(0, self.Trait<IMove>().Altitude), 
+							"smokey")); });
+		}
+	}
+}

mods/ra/rules/vehicles.yaml

@@ -10,6 +10,7 @@ BADR:
 		ROT: 5
 		Speed: 16
 	RenderUnit:
+		Smokes: no
 	WithShadow:
 	IronCurtainable:
 	Cargo:
@@ -27,6 +28,7 @@ BADR:
 		Spins: no
 		Moves: yes
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 BADR.bomber:
 	CarpetBomb:
@@ -44,6 +46,7 @@ BADR.bomber:
 		Ammo: 7
 	RenderUnit:
 		Image: badr
+		Smokes: no
 	WithShadow:
 	IronCurtainable:	
 	-Selectable:
@@ -58,6 +61,7 @@ BADR.bomber:
 		Spins: no
 		Moves: yes
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 V2RL:
 	Inherits: ^Vehicle
@@ -717,6 +721,7 @@ MIG:
 		Speed: 20
 		RearmBuildings: afld
 	RenderUnit:
+		Smokes: no
 	WithShadow:
 	LimitedAmmo:
 		Ammo: 8
@@ -732,6 +737,7 @@ MIG:
 		Spins: no
 		Moves: yes
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 YAK:
 	Inherits: ^Plane
@@ -764,6 +770,7 @@ YAK:
 		ROT: 5
 		Speed: 16
 	RenderUnit:
+		Smokes: no
 	WithShadow:
 	LimitedAmmo:
 		Ammo: 18
@@ -777,6 +784,7 @@ YAK:
 		Spins: no
 		Moves: yes
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 TRAN:
 	Inherits: ^Plane
@@ -847,12 +855,14 @@ HELI:
 		Speed: 16
 	RenderUnitRotor:
 		PrimaryOffset: 0,0,0,-2
+		Smokes: no
 	WithShadow:
 	LimitedAmmo:
 		Ammo: 6
 	IronCurtainable:
 	FallsToEarth:
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 HIND:
 	Inherits: ^Plane
@@ -886,6 +896,7 @@ HIND:
 		ROT: 4
 		Speed: 12
 	RenderUnitRotor:
+		Smokes: no
 	WithShadow:
 	LimitedAmmo:
 		Ammo: 24
@@ -896,6 +907,7 @@ HIND:
 	WithMuzzleFlash:
 	FallsToEarth:
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 U2:
 	Inherits: ^Plane
@@ -907,6 +919,7 @@ U2:
 		ROT: 7
 		Speed: 40
 	RenderUnit:
+		Smokes: no
 	WithShadow:
 	IronCurtainable:
 	-Selectable:
@@ -919,6 +932,7 @@ U2:
 		Spins: no
 		Moves: yes
 		Explosion: UnitExplode
+	SmokeTrailWhenDamaged:
 
 1TNK.Husk:
 	Inherits: ^Husk