minimap sketch

OpenRa.Game/Chat.cs

@@ -34,7 +34,7 @@ namespace OpenRa.Game
 				typing += c;
 		}
 
-		static readonly Color[] paletteColors =
+		public static readonly Color[] paletteColors =
 		{
 			Color.FromArgb(228, 200, 112),
 			Color.FromArgb(56, 72, 125),

OpenRa.Game/Chrome.cs

@@ -143,6 +143,8 @@ namespace OpenRa.Game
 			int paletteHeight = DrawBuildPalette(currentTab);
 			DrawBuildTabs(paletteHeight);
 			DrawChat();
+
+			Game.minimap.Draw(new float2(30,30));
 		}
 
 		void AddButton(Rectangle r, Action<bool> b) { buttons.Add(Pair.New(r, b)); }

OpenRa.Game/Game.cs

@@ -48,6 +48,7 @@ namespace OpenRa.Game
 		static bool usingAftermath;
 		static int2 clientSize;
 		static HardwarePalette palette;
+		public static Minimap minimap;
 
 		public static void ChangeMap(string mapName)
 		{
@@ -78,6 +79,7 @@ namespace OpenRa.Game
 
 			Rules.Map.InitOreDensity();
 			worldRenderer = new WorldRenderer(renderer);
+			minimap = new Minimap(renderer);
 
 			SequenceProvider.Initialize(usingAftermath);
 			viewport = new Viewport(clientSize, Rules.Map.Offset, Rules.Map.Offset + Rules.Map.Size, renderer);
@@ -169,6 +171,8 @@ namespace OpenRa.Game
 					lastTime += Settings.Timestep;
 					UpdatePalette(world.Actors.SelectMany(
 						a => a.traits.WithInterface<IPaletteModifier>()));
+					minimap.Update();
+
 					orderManager.TickImmediate();
 
 					if (orderManager.IsReadyForNextFrame)

OpenRa.Game/Graphics/Minimap.cs

@@ -0,0 +1,44 @@
+using System.Drawing;
+
+namespace OpenRa.Game.Graphics
+{
+	class Minimap
+	{
+		Sheet sheet;
+		SpriteRenderer spriteRenderer;
+		Sprite sprite;
+
+		public void Tick() { }
+
+		public Minimap(Renderer r)
+		{
+			sheet = new Sheet(r, new Size(128, 128));
+			spriteRenderer = new SpriteRenderer(r, true, r.RgbaSpriteShader);
+			sprite = new Sprite(sheet, new Rectangle(0, 0, 128, 128), TextureChannel.Alpha);
+		}
+
+		public void Update()
+		{
+			var bitmap = new Bitmap(128, 128);
+			
+			for( var y = 0; y < 128; y++ )
+				for (var x = 0; x < 128; x++)
+				{
+					// todo: use player color
+					var b = Game.BuildingInfluence.GetBuildingAt(new int2(x, y));
+					if (b != null && b.Owner != null)
+						bitmap.SetPixel(x, y, Chat.paletteColors[ (int)b.Owner.Palette ]);
+					//else
+					//    bitmap.SetPixel(x, y, Color.Red);
+				}
+
+			sheet.Texture.SetData(bitmap);
+		}
+
+		public void Draw(float2 pos)
+		{
+			spriteRenderer.DrawSprite(sprite, pos, PaletteType.Chrome);
+			spriteRenderer.Flush();
+		}
+	}
+}

OpenRa.Game/OpenRa.Game.csproj

@@ -95,6 +95,7 @@
     <Compile Include="GameRules\UserSettings.cs" />
     <Compile Include="GameRules\VoiceInfo.cs" />
     <Compile Include="Effects\IEffect.cs" />
+    <Compile Include="Graphics\Minimap.cs" />
     <Compile Include="Orders\ChronosphereSelectOrderGenerator.cs" />
     <Compile Include="Orders\IOrderSource.cs" />
     <Compile Include="Orders\LocalOrderSource.cs" />