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.Mods.Common/Orders/OrderGenerator.cs

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+#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.Collections.Generic;
+using OpenRA.Graphics;
+using OpenRA.Orders;
+
+namespace OpenRA.Mods.Common.Orders
+{
+	public abstract class OrderGenerator : IOrderGenerator
+	{
+		protected abstract MouseActionType ActionType { get; }
+		readonly GameSettings gameSettings;
+
+		protected OrderGenerator(World world)
+		{
+			gameSettings = Game.Settings.Game;
+			if (gameSettings.MouseControlStyle == MouseControlStyle.Classic)
+				world.Selection.Clear();
+		}
+
+		public MouseButton ActionButton => gameSettings.ResolveActionButton(ActionType);
+		public MouseButton CancelButton => gameSettings.ResolveCancelButton(ActionType);
+
+		public virtual IEnumerable<Order> Order(World world, CPos cell, int2 worldPixel, MouseInput mi)
+		{
+			if (mi.Button == ActionButton && mi.Event == MouseInputEvent.Down)
+				return OrderInner(world, cell, worldPixel, mi);
+
+			if (mi.Button == CancelButton && mi.Event == MouseInputEvent.Up)
+				world.CancelInputMode();
+
+			return [];
+		}
+
+		void IOrderGenerator.Tick(World world) { Tick(world); }
+		IEnumerable<IRenderable> IOrderGenerator.Render(WorldRenderer wr, World world) { return Render(wr, world); }
+		IEnumerable<IRenderable> IOrderGenerator.RenderAboveShroud(WorldRenderer wr, World world) { return RenderAboveShroud(wr, world); }
+		IEnumerable<IRenderable> IOrderGenerator.RenderAnnotations(WorldRenderer wr, World world) { return RenderAnnotations(wr, world); }
+		string IOrderGenerator.GetCursor(World world, CPos cell, int2 worldPixel, MouseInput mi) { return GetCursor(world, cell, worldPixel, mi); }
+		void IOrderGenerator.Deactivate() { }
+		bool IOrderGenerator.HandleKeyPress(KeyInput e) { return false; }
+		void IOrderGenerator.SelectionChanged(World world, IEnumerable<Actor> selected) { SelectionChanged(world, selected); }
+
+		protected virtual void Tick(World world) { }
+		protected abstract IEnumerable<IRenderable> Render(WorldRenderer wr, World world);
+		protected abstract IEnumerable<IRenderable> RenderAboveShroud(WorldRenderer wr, World world);
+		protected abstract IEnumerable<IRenderable> RenderAnnotations(WorldRenderer wr, World world);
+		protected abstract string GetCursor(World world, CPos cell, int2 worldPixel, MouseInput mi);
+		protected abstract IEnumerable<Order> OrderInner(World world, CPos cell, int2 worldPixel, MouseInput mi);
+		protected virtual void SelectionChanged(World world, IEnumerable<Actor> selected) { }
+	}
+}