cargo: added EnterTransport activity; made things mostly work. still very WIP.

OpenRa.Game/Traits/Activities/EnterTransport.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.Traits.Activities
+{
+	class EnterTransport : IActivity
+	{
+		public IActivity NextActivity { get; set; }
+		bool isCanceled;
+		public Actor transport;
+
+		public EnterTransport(Actor self, Actor transport)
+		{
+			this.transport = transport;
+		}
+
+		public IActivity Tick(Actor self)
+		{
+			if (isCanceled) return NextActivity;
+			if (transport == null || !transport.IsInWorld) return NextActivity;
+
+			var cargo = transport.traits.Get<Cargo>();
+			if (cargo.IsFull(transport)) 
+				return NextActivity;
+
+			cargo.Load(transport, self);
+			Game.world.AddFrameEndTask(w => w.Remove(self));
+
+			return this;
+		}
+
+		public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
+	}
+}

OpenRa.Game/Traits/Activities/UnloadCargo.cs

@@ -51,7 +51,8 @@ namespace OpenRa.Game.Traits.Activities
 			if (exitTile == null) 
 				return this;
 
-			var actor = cargo.UnloadOne(self);
+			var actor = cargo.Unload(self);
+
 			Game.world.AddFrameEndTask(w =>
 			{
 				w.Add(actor);

OpenRa.Game/Traits/Cargo.cs

@@ -11,15 +11,7 @@ namespace OpenRa.Game.Traits
 	{
 		List<Actor> cargo = new List<Actor>();
 
-		public Cargo(Actor self)
-		{
-			// hack:
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E6"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E7"], int2.Zero, self.Owner));
-		}
+		public Cargo(Actor self) {}
 
 		public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
 		{
@@ -50,7 +42,7 @@ namespace OpenRa.Game.Traits
 			return cargo.Count == 0;
 		}
 
-		public Actor UnloadOne(Actor self)
+		public Actor Unload(Actor self)
 		{
 			var a = cargo[0];
 			cargo.RemoveAt(0);
@@ -79,5 +71,10 @@ namespace OpenRa.Game.Traits
 
 			return PipType.Green;
 		}
+
+		public void Load(Actor self, Actor a)
+		{
+			cargo.Add(a);
+		}
 	}
 }

OpenRa.Game/Traits/Passenger.cs

@@ -34,8 +34,8 @@ namespace OpenRa.Game.Traits
 			if (order.OrderString == "EnterTransport")
 			{
 				self.CancelActivity();
-				self.QueueActivity(new Move(order.TargetActor, 0));
-				// todo: actually enter the transport
+				self.QueueActivity(new Move(order.TargetActor.Location, 1));
+				self.QueueActivity(new EnterTransport(self, order.TargetActor));
 			}
 		}
 	}