Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Game/Scripting/ScriptObjectWrapper.cs

@@ -0,0 +1,95 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * 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 System;
+using System.Collections.Generic;
+using Eluant;
+using Eluant.ObjectBinding;
+
+namespace OpenRA.Scripting
+{
+	public abstract class ScriptObjectWrapper : IScriptBindable, ILuaTableBinding
+	{
+		protected abstract string DuplicateKeyError(string memberName);
+		protected abstract string MemberNotFoundError(string memberName);
+
+		protected readonly ScriptContext Context;
+		readonly Dictionary<string, ScriptMemberWrapper> members = [];
+
+		protected ScriptObjectWrapper(ScriptContext context)
+		{
+			Context = context;
+		}
+
+		protected static object[] CreateObjects(Type[] types, object[] constructorArgs)
+		{
+			var i = 0;
+			var argTypes = new Type[constructorArgs.Length];
+			foreach (var ca in constructorArgs)
+				argTypes[i++] = ca.GetType();
+
+			var objects = new object[types.Length];
+			i = 0;
+			foreach (var type in types)
+				objects[i++] = type.GetConstructor(argTypes).Invoke(constructorArgs);
+
+			return objects;
+		}
+
+		protected void Bind(object[] clrObjects)
+		{
+			members.Clear();
+
+			foreach (var obj in clrObjects)
+			{
+				var wrappable = ScriptMemberWrapper.WrappableMembers(obj.GetType());
+				foreach (var m in wrappable)
+				{
+					if (members.ContainsKey(m.Name))
+						throw new LuaException(DuplicateKeyError(m.Name));
+
+					members.Add(m.Name, new ScriptMemberWrapper(Context, obj, m));
+				}
+			}
+		}
+
+		protected void Unbind(Type targetType)
+		{
+			// NOTE: In newer versions of .NET modifying the collection by calling Remove while iterating over it is valid
+			foreach (var m in members)
+				if (targetType == m.Value.Target.GetType())
+					members.Remove(m.Key);
+		}
+
+		public bool ContainsKey(string key) { return members.ContainsKey(key); }
+
+		public LuaValue this[LuaRuntime runtime, LuaValue keyValue]
+		{
+			get
+			{
+				var name = keyValue.ToString();
+				if (!members.TryGetValue(name, out var wrapper))
+					throw new LuaException(MemberNotFoundError(name));
+
+				return wrapper.Get(runtime);
+			}
+
+			set
+			{
+				var name = keyValue.ToString();
+				if (!members.TryGetValue(name, out var wrapper))
+					throw new LuaException(MemberNotFoundError(name));
+
+				wrapper.Set(value);
+			}
+		}
+	}
+}