Planes, kinda. They don't fly.

OpenRa.Game/OpenRa.Game.csproj

@@ -143,6 +143,7 @@
     <Compile Include="Traits\RenderBuildingWarFactory.cs" />
     <Compile Include="Traits\RenderSimple.cs" />
     <Compile Include="Traits\RenderUnit.cs" />
+    <Compile Include="Traits\RenderUnitRotor.cs" />
     <Compile Include="Traits\RenderUnitTurreted.cs" />
     <Compile Include="Traits\TraitsInterfaces.cs" />
     <Compile Include="Traits\Tree.cs" />

OpenRa.Game/Traits/RenderUnitRotor.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using IjwFramework.Types;
+using OpenRa.Game.Graphics;
+
+namespace OpenRa.Game.Traits
+{
+	class RenderUnitRotor : RenderUnit
+	{
+		public Animation rotorAnim;
+
+		public RenderUnitRotor( Actor self )
+			: base(self)
+		{
+			rotorAnim = new Animation(self.unitInfo.Name);
+			rotorAnim.PlayRepeating("rotor");
+		}
+
+		public override IEnumerable<Pair<Sprite, float2>> Render(Actor self)
+		{
+			var mobile = self.traits.Get<Mobile>();
+
+			yield return Util.Centered(anim.Image, self.CenterLocation);
+			yield return Util.Centered(rotorAnim.Image, self.CenterLocation 
+				+ Util.GetTurretPosition(self, self.unitInfo.PrimaryOffset, 0));
+			if (self.unitInfo.SecondaryOffset != null)
+				yield return Util.Centered(rotorAnim.Image, self.CenterLocation
+					+ Util.GetTurretPosition(self, self.unitInfo.SecondaryOffset, 0));
+		}
+
+		public override void Tick(Actor self)
+		{
+			base.Tick(self);
+			rotorAnim.Tick();
+		}
+	}
+}

rules.ini

@@ -1162,7 +1162,7 @@ Armor=light
 TechLevel=11
 Sight=0
 Speed=12
-Owner=soviet
+Owner=allies
 Cost=1200
 Points=35
 ROT=5
@@ -1195,7 +1195,7 @@ Armor=heavy
 TechLevel=9
 Sight=0
 Speed=12
-Owner=soviet
+Owner=allies
 Cost=1200
 Points=40
 ROT=4
@@ -1457,7 +1457,7 @@ Strength=800
 Armor=wood
 TechLevel=9
 Sight=5
-Owner=allies,soviet
+Owner=allies
 Cost=1500
 Points=70
 Power=-10

sequences.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!-- 	openra/sequences.xml
 
 		this file describes animation sequences for structures and units.
@@ -482,4 +482,22 @@
     <sequence name="ready" start="3" length="1" />
     <sequence name="hold" start="4" length="1" />
   </unit>
-</sequences>
+  <unit name="mig">
+    <sequence name="idle" start="0" length="16" />
+  </unit>
+  <unit name="yak">
+    <sequence name="idle" start="0" length="16" />
+  </unit>
+  <unit name="heli">
+    <sequence name="idle" start="0" length="32" />
+    <sequence name="rotor" start="0" length="4" src="lrotor" />
+  </unit>
+  <unit name="hind">
+    <sequence name="idle" start="0" length="32" />
+    <sequence name="rotor" start="0" length="4" src="lrotor" />
+  </unit>
+  <unit name="tran">
+    <sequence name="idle" start="0" length="32" />
+    <sequence name="rotor" start="0" length="4" src="lrotor" />
+  </unit>
+</sequences>

units.ini

@@ -116,14 +116,26 @@ HIND
 
 [MIG]
 Description=Mig Attack Plane
+BuiltAt=afld
+Traits=Mobile, RenderUnit
 [YAK]
 Description=Yak Attack Plane
+BuiltAt=afld
+Traits=Mobile, RenderUnit
 [TRAN]
 Description=Transport Helicopter
+PrimaryOffset=0,14
+SecondaryOffset=0,-14
+BuiltAt=hpad
+Traits=Mobile, RenderUnitRotor
 [HELI]
 Description=Longbow
+BuiltAt=hpad
+Traits=Mobile, RenderUnitRotor
 [HIND]
 Description=Hind
+BuiltAt=hpad
+Traits=Mobile, RenderUnitRotor