From cf5cb80c6131aa38f01572e1dd776f56f897ade7 Mon Sep 17 00:00:00 2001
From: Paul Chote <paul@chote.net>
Date: Mon, 2 Aug 2010 23:57:19 +1200
Subject: [PATCH] Restore cnc helicopters (reservable etc changes deferred)

---
 OpenRA.Mods.RA/ProducesHelicopters.cs | 48 ++++++++++++++-------------
 mods/cnc/structures.yaml              |  1 +
 2 files changed, 26 insertions(+), 23 deletions(-)

diff --git a/OpenRA.Mods.RA/ProducesHelicopters.cs b/OpenRA.Mods.RA/ProducesHelicopters.cs
index 5bf8f5044e..0b8a57d77d 100644
--- a/OpenRA.Mods.RA/ProducesHelicopters.cs
+++ b/OpenRA.Mods.RA/ProducesHelicopters.cs
@@ -24,46 +24,48 @@ namespace OpenRA.Mods.RA
 	{
 		public ProducesHelicopters(ProducesHelicoptersInfo info) : base(info) {}
 		
-		/*
+		
 		// Hack around visibility bullshit in Production
 		public override bool Produce( Actor self, ActorInfo producee )
 		{
-			var location = CreationLocation( self, producee );
-			if( location == null || self.World.WorldActor.traits.Get<UnitInfluence>().GetUnitsAt( location.Value ).Any() )
-				return false;
+			// Pick an exit that we can move to
+			var exit = int2.Zero;
+			var spawn = float2.Zero;
+			var success = false;
 			
-			var pi = self.Info.Traits.Get<ProductionInfo>();
+			// Pick a spawn/exit point
+			// Todo: Reorder in a synced random way
+			foreach (var s in Spawns)
+			{
+				exit = self.Location + s.Value;
+				spawn = self.CenterLocation + s.Key;
+				if (!self.World.WorldActor.traits.Get<UnitInfluence>().GetUnitsAt( exit ).Any())
+				{
+					success = true;
+					break;
+				}
+			}
+
+			// Todo: Once Helicopter supports it, update UIM if its docked/landed
 			var newUnit = self.World.CreateActor( producee.Name, new TypeDictionary
 			{
-				new LocationInit( location.Value ),
+				new LocationInit( exit ),
 				new OwnerInit( self.Owner ),
-				new FacingInit( pi.ProductionFacing ),
 			});
-			                                     
+			newUnit.CenterLocation = spawn;
+        	
 			var rp = self.traits.GetOrDefault<RallyPoint>();
-			if( rp != null || pi.ExitOffset != null)
+			if( rp != null )
 			{
-				if( newUnit.traits.Contains<Helicopter>() )
-				{
-					if (pi.ExitOffset != null)
-						newUnit.QueueActivity(new Activities.HeliFly(Util.CenterOfCell(ExitLocation( self, producee ).Value)));
-						
-					if (rp != null)
-						newUnit.QueueActivity( new Activities.HeliFly( Util.CenterOfCell(rp.rallyPoint)) );
-				}
+				newUnit.QueueActivity( new Activities.HeliFly( Util.CenterOfCell(rp.rallyPoint)) );
 			}
 			
-			if (pi != null && pi.SpawnOffset != null)
-				newUnit.CenterLocation = self.CenterLocation 
-					+ new float2(pi.SpawnOffset[0], pi.SpawnOffset[1]);
-
 			foreach (var t in self.traits.WithInterface<INotifyProduction>())
 				t.UnitProduced(self, newUnit);
 
 			Log.Write("debug", "{0} #{1} produced by {2} #{3}", newUnit.Info.Name, newUnit.ActorID, self.Info.Name, self.ActorID);
 
 			return true;
-		}
-		*/
+		}
 	}
 }
diff --git a/mods/cnc/structures.yaml b/mods/cnc/structures.yaml
index 8dbc1b4aa3..3c3a3d5fef 100644
--- a/mods/cnc/structures.yaml
+++ b/mods/cnc/structures.yaml
@@ -340,6 +340,7 @@ HPAD:
 	Bib:
 	ProducesHelicopters:
 		SpawnOffsets: 0,-4
+		ExitCells: 0,0
 		Produces: Plane
 	BelowUnits:
 	Reservable: