Add a visualisation mode for depth sprites.

For now this displays the raw sprites.  It will
eventually be repurposed for rendering the proper
depth data.

OpenRA.Game/Graphics/SpriteRenderer.cs

@@ -119,5 +119,10 @@ namespace OpenRA.Graphics
 			shader.SetVec("r1", zoom * 2f / screen.Width, -zoom * 2f / screen.Height);
 			shader.SetVec("r2", -1, 1);
 		}
+
+		public void SetDepthPreviewEnabled(bool enabled)
+		{
+			shader.SetBool("EnableDepthPreview", enabled);
+		}
 	}
 }

OpenRA.Game/Graphics/WorldRenderer.cs

@@ -132,6 +132,9 @@ namespace OpenRA.Graphics
 			if (World.WorldActor.Disposed)
 				return;
 
+			if (devTrait.Value != null)
+				Game.Renderer.WorldSpriteRenderer.SetDepthPreviewEnabled(devTrait.Value.ShowDepthPreview);
+
 			RefreshPalette();
 
 			if (World.Type == WorldType.Shellmap && !Game.Settings.Game.ShowShellmap)

OpenRA.Game/Traits/Player/DeveloperMode.cs

@@ -23,6 +23,7 @@ namespace OpenRA.Traits
 		public bool BuildAnywhere;
 		public bool ShowCombatGeometry;
 		public bool ShowDebugGeometry;
+		public bool ShowDepthPreview;
 
 		public object Create(ActorInitializer init) { return new DeveloperMode(this); }
 	}
@@ -41,6 +42,8 @@ namespace OpenRA.Traits
 		// Client side only
 		public bool ShowCombatGeometry;
 		public bool ShowDebugGeometry;
+		public bool ShowDepthPreview;
+
 		public bool EnableAll;
 
 		public DeveloperMode(DeveloperModeInfo info)
@@ -54,6 +57,7 @@ namespace OpenRA.Traits
 			BuildAnywhere = info.BuildAnywhere;
 			ShowCombatGeometry = info.ShowCombatGeometry;
 			ShowDebugGeometry = info.ShowDebugGeometry;
+			ShowDepthPreview = info.ShowDepthPreview;
 		}
 
 		public void ResolveOrder(Actor self, Order order)

OpenRA.Mods.Common/Widgets/Logic/Ingame/DebugMenuLogic.cs

@@ -81,6 +81,13 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				showTerrainGeometryCheckbox.OnClick = () => terrainGeometryTrait.Enabled ^= true;
 			}
 
+			var showDepthPreviewCheckbox = widget.GetOrNull<CheckboxWidget>("SHOW_DEPTH_PREVIEW");
+			if (showDepthPreviewCheckbox != null)
+			{
+				showDepthPreviewCheckbox.IsChecked = () => devTrait.ShowDepthPreview;
+				showDepthPreviewCheckbox.OnClick = () => devTrait.ShowDepthPreview ^= true;
+			}
+
 			var allTechCheckbox = widget.GetOrNull<CheckboxWidget>("ENABLE_TECH");
 			if (allTechCheckbox != null)
 			{

glsl/shp.frag

@@ -1,5 +1,7 @@
 uniform sampler2D DiffuseTexture, Palette;
 
+uniform bool EnableDepthPreview;
+
 varying vec4 TexCoord;
 varying vec4 ChannelMask;
 varying vec4 DepthMask;
@@ -8,5 +10,17 @@ void main()
 {
 	vec4 x = texture2D(DiffuseTexture, TexCoord.st);
 	vec2 p = vec2(dot(x, ChannelMask), TexCoord.p);
-	gl_FragColor = texture2D(Palette, p);
+	vec4 c = texture2D(Palette, p);
+
+	// Discard any transparent fragments (both color and depth)
+	if (c.a == 0.0)
+		discard;
+
+	if (EnableDepthPreview && length(DepthMask) > 0.0)
+	{
+		float depth = dot(x, DepthMask);
+		gl_FragColor = vec4(depth, depth, depth, 1);
+	}
+	else
+		gl_FragColor = c;
 }

mods/ts/chrome/ingame-debug.yaml

@@ -0,0 +1,130 @@
+Container@DEBUG_PANEL:
+	Logic: DebugMenuLogic
+	Y: 10
+	Width: PARENT_RIGHT
+	Height: PARENT_BOTTOM
+	Children:
+		Label@LABLE_TITLE:
+			Y: 25
+			Font: Bold
+			Text: Debug Options
+			Align: Center
+			Width: PARENT_RIGHT
+		Checkbox@INSTANT_BUILD:
+			X: 45
+			Y: 45
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Instant Build Speed
+		Checkbox@ENABLE_TECH:
+			X: 45
+			Y: 75
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Build Everything
+		Checkbox@BUILD_ANYWHERE:
+			X: 45
+			Y: 105
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Build Anywhere
+		Checkbox@UNLIMITED_POWER:
+			X: 290
+			Y: 45
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Unlimited Power
+		Checkbox@INSTANT_CHARGE:
+			X: 290
+			Y: 75
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Instant Charge Time
+		Checkbox@DISABLE_VISIBILITY_CHECKS:
+			X: 290
+			Y: 105
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Disable visibility checks
+		Button@GIVE_CASH:
+			X: 90
+			Y: 150
+			Width: 140
+			Height: 30
+			Font: Bold
+			Text: Give $20,000
+		Button@GROW_RESOURCES:
+			X: 271
+			Y: 150
+			Width: 140
+			Height: 30
+			Font: Bold
+			Text: Grow Resources
+		Button@GIVE_EXPLORATION:
+			X: 90
+			Y: 200
+			Width: 140
+			Height: 30
+			Font: Bold
+			Text: Clear Shroud
+		Button@RESET_EXPLORATION:
+			X: 271
+			Y: 200
+			Width: 140
+			Height: 30
+			Font: Bold
+			Text: Reset Shroud
+		Label@VISUALIZATIONS_TITLE:
+			Y: 255
+			Font: Bold
+			Text: Visualizations
+			Align: Center
+			Width: PARENT_RIGHT
+		Checkbox@SHOW_UNIT_PATHS:
+			X: 45
+			Y: 275
+			Width: 200
+			Height: 20
+			Font: Regular
+			Text: Show Unit Paths
+		Checkbox@SHOW_ASTAR:
+			X: 45
+			Y: 305
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Show A* Cost
+		Checkbox@SHOW_DEPTH_PREVIEW:
+			X: 45
+			Y: 335
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Show Depth Data
+		Checkbox@SHOW_COMBATOVERLAY:
+			X: 290
+			Y: 275
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Show Combat Geometry
+		Checkbox@SHOW_GEOMETRY:
+			X: 290
+			Y: 305
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Show Render Geometry
+		Checkbox@SHOW_TERRAIN_OVERLAY:
+			X: 290
+			Y: 335
+			Height: 20
+			Width: 200
+			Font: Regular
+			Text: Show Terrain Geometry

mods/ts/mod.yaml

@@ -145,7 +145,7 @@ ChromeLayout:
 	./mods/ts/chrome/ingame-observerstats.yaml
 	./mods/ts/chrome/ingame-player.yaml
 	./mods/ra/chrome/ingame-perf.yaml
-	./mods/ra/chrome/ingame-debug.yaml
+	./mods/ts/chrome/ingame-debug.yaml
 	./mods/ra/chrome/mainmenu.yaml
 	./mods/ra/chrome/settings.yaml
 	./mods/ra/chrome/credits.yaml