Move the core of OpenRA.Mods.RA.Scripting to OpenRA.Mods.Common.Scripting

2014-11-25 20:14:03 -06:00
parent 60cf2d2cae
commit 91b5ac5070
26 changed files with 93 additions and 75 deletions
--- a/OpenRA.Mods.Common/Scripting/Global/ActorGlobal.cs
+++ b/OpenRA.Mods.Common/Scripting/Global/ActorGlobal.cs
@@ -0,0 +1,82 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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 COPYING.
+ */
+#endregion
+
+using System.Linq;
+using Eluant;
+using OpenRA.Primitives;
+using OpenRA.Scripting;
+
+namespace OpenRA.Mods.Common.Scripting
+{
+	[ScriptGlobal("Actor")]
+	public class ActorGlobal : ScriptGlobal
+	{
+		public ActorGlobal(ScriptContext context) : base(context) { }
+
+		[Desc("Create a new actor. initTable specifies a list of key-value pairs that defines the initial parameters for the actor's traits.")]
+		public Actor Create(string type, bool addToWorld, LuaTable initTable)
+		{
+			var initDict = new TypeDictionary();
+
+			// Convert table entries into ActorInits
+			foreach (var kv in initTable)
+			{
+				// Find the requested type
+				var typeName = kv.Key.ToString();
+				var initType = Game.modData.ObjectCreator.FindType(typeName + "Init");
+				if (initType == null)
+					throw new LuaException("Unknown initializer type '{0}'".F(typeName));
+
+				// Cast it up to an IActorInit<T>
+				var genericType = initType.GetInterfaces()
+					.First(x => x.IsGenericType && x.GetGenericTypeDefinition() == typeof(IActorInit<>));
+				var innerType = genericType.GetGenericArguments().First();
+				var valueType = innerType.IsEnum ? typeof(int) : innerType;
+
+				// Try and coerce the table value to the required type
+				object value;
+				if (!kv.Value.TryGetClrValue(valueType, out value))
+					throw new LuaException("Invalid data type for '{0}' (expected '{1}')".F(typeName, valueType.Name));
+
+				// Construct the ActorInit. Phew!
+				var test = initType.GetConstructor(new[] { innerType }).Invoke(new[] { value });
+				initDict.Add(test);
+			}
+
+			// The actor must be added to the world at the end of the tick
+			var a = context.World.CreateActor(false, type, initDict);
+			if (addToWorld)
+				context.World.AddFrameEndTask(w => w.Add(a));
+
+			return a;
+		}
+
+		[Desc("Returns the build time (in ticks) of the requested unit type.")]
+		public int BuildTime(string type)
+		{
+			ActorInfo ai;
+			if (!context.World.Map.Rules.Actors.TryGetValue(type, out ai))
+				throw new LuaException("Unknown actor type '{0}'".F(type));
+
+			return ai.GetBuildTime();
+		}
+
+		[Desc("Returns the cruise altitude of the requested unit type (zero if it is ground-based).")]
+		public int CruiseAltitude(string type)
+		{
+			ActorInfo ai;
+			if (!context.World.Map.Rules.Actors.TryGetValue(type, out ai))
+				throw new LuaException("Unknown actor type '{0}'".F(type));
+
+			var pi = ai.Traits.GetOrDefault<ICruiseAltitudeInfo>();
+			return pi != null ? pi.GetCruiseAltitude().Range : 0;
+		}
+	}
+}