Move carryall code to Mods.Common.

2016-06-21 21:17:25 +01:00
parent 526f851489
commit 2355ad9dd1
7 changed files with 10 additions and 22 deletions
--- a/OpenRA.Mods.Common/Traits/Buildings/FreeActorWithDelivery.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/FreeActorWithDelivery.cs
@@ -0,0 +1,101 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2016 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Player receives a unit for free once the building is placed.",
+		"If you want more than one unit to be delivered, copy this section and assign IDs like FreeActorWithDelivery@2, ...")]
+	public class FreeActorWithDeliveryInfo : FreeActorInfo
+	{
+		[ActorReference, FieldLoader.Require]
+		[Desc("Name of the delivering actor. This actor must have the `Carryall` trait")]
+		public readonly string DeliveringActor = null;
+
+		[Desc("Cell coordinates for spawning the delivering actor. If left blank, the closest edge cell will be chosen.")]
+		public readonly CPos SpawnLocation = CPos.Zero;
+
+		[Desc("Offset relative to the top-left cell of the building.")]
+		public readonly CVec DeliveryOffset = CVec.Zero;
+
+		public override object Create(ActorInitializer init) { return new FreeActorWithDelivery(init, this); }
+	}
+
+	public class FreeActorWithDelivery
+	{
+		public readonly FreeActorWithDeliveryInfo Info;
+
+		readonly Actor self;
+
+		public FreeActorWithDelivery(ActorInitializer init, FreeActorWithDeliveryInfo info)
+		{
+			self = init.Self;
+			Info = info;
+
+			DoDelivery(self.Location + info.DeliveryOffset, info.Actor, info.DeliveringActor);
+		}
+
+		public void DoDelivery(CPos location, string actorName, string carrierActorName)
+		{
+			Actor cargo;
+			Actor carrier;
+
+			CreateActors(actorName, carrierActorName, out cargo, out carrier);
+
+			var carryable = cargo.Trait<Carryable>();
+			carryable.Destination = location;
+			carryable.Reserve(carrier);
+
+			carrier.Trait<Carryall>().AttachCarryable(cargo);
+
+			carrier.QueueActivity(new DeliverUnit(carrier));
+			carrier.QueueActivity(new HeliFly(carrier, Target.FromCell(self.World, self.World.Map.ChooseRandomEdgeCell(self.World.SharedRandom))));
+			carrier.QueueActivity(new RemoveSelf());
+
+			self.World.AddFrameEndTask(w => self.World.Add(carrier));
+		}
+
+		void CreateActors(string actorName, string deliveringActorName, out Actor cargo, out Actor carrier)
+		{
+			// Get a carryall spawn location
+			var location = Info.SpawnLocation;
+			if (location == CPos.Zero)
+				location = self.World.Map.ChooseClosestEdgeCell(self.Location);
+
+			var spawn = self.World.Map.CenterOfCell(location);
+
+			var initialFacing = self.World.Map.FacingBetween(location, self.Location, 0);
+
+			// If aircraft, spawn at cruise altitude
+			var aircraftInfo = self.World.Map.Rules.Actors[deliveringActorName.ToLower()].TraitInfoOrDefault<AircraftInfo>();
+			if (aircraftInfo != null)
+				spawn += new WVec(0, 0, aircraftInfo.CruiseAltitude.Length);
+
+			// Create delivery actor
+			carrier = self.World.CreateActor(false, deliveringActorName, new TypeDictionary
+			{
+				new LocationInit(location),
+				new CenterPositionInit(spawn),
+				new OwnerInit(self.Owner),
+				new FacingInit(initialFacing)
+			});
+
+			// Create delivered actor
+			cargo = self.World.CreateActor(false, actorName, new TypeDictionary
+			{
+				new OwnerInit(self.Owner),
+			});
+		}
+	}
+}