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/LoadScreens/BlankLoadScreen.cs

@@ -0,0 +1,134 @@
+#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.IO;
+using OpenRA.FileFormats;
+using OpenRA.FileSystem;
+using OpenRA.Mods.Common.FileSystem;
+using OpenRA.Mods.Common.Widgets.Logic;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.LoadScreens
+{
+	public class BlankLoadScreen : ILoadScreen
+	{
+		public LaunchArguments Launch;
+		protected IReadOnlyFileSystem fileSystem;
+		bool initialized;
+
+		public virtual void Init(Manifest manifest, IReadOnlyFileSystem fileSystem)
+		{
+			this.fileSystem = fileSystem;
+		}
+
+		public virtual void Display()
+		{
+			if (Game.Renderer == null || initialized)
+				return;
+
+			// Draw a black screen
+			Game.Renderer.BeginUI();
+			Game.Renderer.EndFrame(new NullInputHandler());
+
+			// PERF: draw the screen only once
+			initialized = true;
+		}
+
+		public virtual void StartGame(Arguments args)
+		{
+			Launch = new LaunchArguments(args);
+			Ui.ResetAll();
+			Game.Settings.Save();
+
+			if (!string.IsNullOrEmpty(Launch.Benchmark))
+			{
+				Console.WriteLine($"Saving benchmark data into {Path.Combine(Platform.SupportDir, "Logs")}");
+
+				Game.BenchmarkMode(Launch.Benchmark);
+			}
+
+			// Join a server directly
+			var connect = Launch.GetConnectEndPoint();
+			if (connect != null)
+			{
+				Game.LoadShellMap();
+				Game.RemoteDirectConnect(connect);
+				return;
+			}
+
+			// Start a map directly
+			if (!string.IsNullOrEmpty(Launch.Map))
+			{
+				Game.LoadMap(Launch.Map);
+				return;
+			}
+
+			// Load a replay directly
+			if (!string.IsNullOrEmpty(Launch.Replay))
+			{
+				ReplayMetadata replayMeta = null;
+				try
+				{
+					replayMeta = ReplayMetadata.Read(Launch.Replay);
+				}
+				catch { }
+
+				if (ReplayUtils.PromptConfirmReplayCompatibility(replayMeta, Game.ModData, Game.LoadShellMap))
+					Game.JoinReplay(Launch.Replay);
+
+				if (replayMeta != null)
+				{
+					var modID = replayMeta.GameInfo.Mod;
+					if (modID != null && modID != Game.ModData.Manifest.Id && Game.Mods.TryGetValue(modID, out var mod))
+						Game.InitializeMod(mod, args);
+				}
+
+				return;
+			}
+
+			Game.LoadShellMap();
+			Game.Settings.Save();
+		}
+
+		protected virtual void Dispose(bool disposing) { }
+
+		public void Dispose()
+		{
+			Dispose(true);
+			GC.SuppressFinalize(this);
+		}
+
+		public virtual bool BeforeLoad(ModData modData)
+		{
+			var graphicSettings = Game.Settings.Graphics;
+
+			// Reset the UI scaling if the user has configured a UI scale that pushes us below the minimum allowed effective resolution
+			var minResolution = modData.GetOrCreate<WorldViewportSizes>().MinEffectiveResolution;
+			var resolution = Game.Renderer.Resolution;
+			if ((resolution.Width < minResolution.Width || resolution.Height < minResolution.Height) && Game.Settings.Graphics.UIScale > 1.0f)
+			{
+				graphicSettings.UIScale = 1.0f;
+				Game.Renderer.SetUIScale(1.0f);
+			}
+
+			// Saved settings may have been invalidated by a hardware change
+			graphicSettings.VideoDisplay = Game.Renderer.CurrentDisplay;
+			if (graphicSettings.GLProfile != GLProfile.Automatic && graphicSettings.GLProfile != Game.Renderer.GLProfile)
+				graphicSettings.GLProfile = GLProfile.Automatic;
+
+			if (modData.FileSystemLoader is not IFileSystemExternalContent content)
+				return true;
+
+			return !content.InstallContentIfRequired(modData);
+		}
+	}
+}