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/Graphics/Model.cs

@@ -0,0 +1,51 @@
+#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 OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Graphics
+{
+	public interface IModel
+	{
+		uint Frames { get; }
+		uint Sections { get; }
+
+		float[] TransformationMatrix(uint section, uint frame);
+		float[] Size { get; }
+		float[] Bounds(uint frame);
+		ModelRenderData RenderData(uint section);
+
+		/// <summary>Returns the smallest rectangle that covers all rotations of all frames in a model.</summary>
+		Rectangle AggregateBounds { get; }
+	}
+
+	public interface IModelWidget
+	{
+		string Palette { get; }
+		float Scale { get; }
+		void Setup(Func<bool> isVisible, Func<string> getPalette, Func<string> getPlayerPalette,
+			Func<float> getScale, Func<IModel> getVoxel, Func<WRot> getRotation);
+	}
+
+	public readonly record struct ModelRenderData(int Start, int Count, Sheet Sheet);
+
+	public interface IModelCacheInfo : ITraitInfoInterface { }
+
+	public interface IModelCache
+	{
+		IModel GetModel(string model);
+		IModel GetModelSequence(string model, string sequence);
+		bool HasModelSequence(string model, string sequence);
+		IVertexBuffer<ModelVertex> VertexBuffer { get; }
+	}
+}