slowly teasing the view+controller out of the model classes.

actually doesn't work right now, but that will change.

git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@2050 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Graphics/WorldRenderer.cs

@@ -0,0 +1,48 @@
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace OpenRa.Game.Graphics
+{
+	class WorldRenderer
+	{
+		public readonly SpriteRenderer spriteRenderer;
+		public readonly World world;
+		public readonly Region region;
+		public readonly UiOverlay uiOverlay;
+
+		public WorldRenderer(Renderer renderer, World world)
+		{
+			// TODO: this is layout policy. it belongs at a higher level than this.
+
+			region = Region.Create(world.game.viewport, DockStyle.Left,
+				world.game.viewport.Width - 128, Draw, world.game.controller.WorldClicked);		// TODO: world.WorldClicked is part of the CONTROLLER
+			world.game.viewport.AddRegion(region);
+
+			spriteRenderer = new SpriteRenderer(renderer, true);
+			uiOverlay = new UiOverlay(spriteRenderer, world.game);
+			this.world = world;
+		}
+
+		public void Draw()
+		{
+			var rect = new RectangleF(region.Location.ToPointF(), region.Size.ToSizeF());
+
+			foreach (Actor a in world.Actors)
+			{
+				Sprite[] images = a.CurrentImages;
+				float2 loc = a.RenderLocation;
+
+				if (loc.X > rect.Right || loc.X < rect.Left - images[0].bounds.Width)
+					continue;
+
+				if (loc.Y > rect.Bottom || loc.Y < rect.Top - images[0].bounds.Height)
+					continue;
+
+				foreach (Sprite image in images)
+					spriteRenderer.DrawSprite(image, loc, (a.owner != null) ? a.owner.Palette : 0);
+			}
+
+			spriteRenderer.Flush();
+		}
+	}
+}