Add a debug visualization for screen map rectangles.

OpenRA.Mods.Common/Commands/DebugVisualizationCommands.cs

@@ -11,6 +11,7 @@
 
 using System;
 using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
 using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Commands
@@ -21,12 +22,16 @@ namespace OpenRA.Mods.Common.Commands
 	public class DebugVisualizationCommands : IChatCommand, IWorldLoaded
 	{
 		DebugVisualizations debugVis;
+		DeveloperMode devMode;
 
 		public void WorldLoaded(World w, WorldRenderer wr)
 		{
 			var world = w;
 			debugVis = world.WorldActor.TraitOrDefault<DebugVisualizations>();
 
+			if (world.LocalPlayer != null)
+				devMode = world.LocalPlayer.PlayerActor.Trait<DeveloperMode>();
+
 			if (debugVis == null)
 				return;
 
@@ -41,6 +46,7 @@ namespace OpenRA.Mods.Common.Commands
 
 			register("showcombatgeometry", "toggles combat geometry overlay.");
 			register("showrendergeometry", "toggles render geometry overlay.");
+			register("showscreenmap", "toggles screen map overlay.");
 			register("showdepthbuffer", "toggles depth buffer overlay.");
 			register("showactortags", "toggles actor tags overlay.");
 		}
@@ -57,6 +63,11 @@ namespace OpenRA.Mods.Common.Commands
 					debugVis.RenderGeometry ^= true;
 					break;
 
+				case "showscreenmap":
+					if (devMode == null || devMode.Enabled)
+						debugVis.ScreenMap ^= true;
+					break;
+
 				case "showdepthbuffer":
 					debugVis.DepthBuffer ^= true;
 					break;