minimap sketch

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();
+		}
+	}
+}