git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1200 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/MainWindow.cs

@@ -20,6 +20,7 @@ namespace OpenRa.Game
 		World world;
 		TreeCache treeCache;
 		TerrainRenderer terrain;
+		Sidebar sidebar;
 
 		static Size GetResolution(Settings settings)
 		{
@@ -59,6 +60,8 @@ namespace OpenRa.Game
 			world.Add(new Mcv(new PointF(24 * 5, 24 * 5), 3));
 			world.Add(new Mcv(new PointF(24 * 7, 24 * 5), 2));
 			world.Add(new Mcv(new PointF(24 * 9, 24 * 5), 1));
+
+			sidebar = new Sidebar(OpenRa.TechTree.Race.None, renderer);
 		}
 
 		internal void Run()
@@ -107,6 +110,8 @@ namespace OpenRa.Game
 				new Range<float>(scrollPos.X, scrollPos.X + ClientSize.Width),
 				new Range<float>(scrollPos.Y, scrollPos.Y + ClientSize.Height));
 
+			sidebar.Paint(scrollPos);
+
 			renderer.EndFrame();
 		}
 	}

OpenRa.Game/Sidebar.cs

@@ -2,10 +2,48 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using OpenRa.TechTree;
+using BluntDirectX.Direct3D;
+using OpenRa.FileFormats;
+using System.Drawing;
 
 namespace OpenRa.Game
 {
 	class Sidebar
 	{
+		TechTree.TechTree techTree = new TechTree.TechTree();
+		Renderer renderer;
+
+		FvfVertexBuffer<Vertex> vertexBuffer;
+		IndexBuffer indexBuffer;
+		const int spritesPerBatch = 1024;
+		SheetRectangle<Sheet> sprite;
+
+
+		public Sidebar(Race race, Renderer renderer)
+		{
+			Package package = new Package("../../../hires.mix");
+			sprite = BeedeeSheetBuilder.LoadSprite(package, "e7icon.shp");
+			techTree.CurrentRace = race;
+			this.renderer = renderer;
+			vertexBuffer = new FvfVertexBuffer<Vertex>(renderer.Device, 4 * spritesPerBatch, Vertex.Format);
+			indexBuffer = new IndexBuffer(renderer.Device, 6 * spritesPerBatch);
+		}
+
+		public void Paint(PointF scrollOffset)
+		{
+			List<Vertex> vertices = new List<Vertex>();
+			List<ushort> indicies = new List<ushort>();
+
+			PointF location = new PointF(0 + scrollOffset.X, 0 + scrollOffset.Y);
+
+			Util.CreateQuad(vertices, indicies, location, sprite, 0);
+
+			renderer.DrawWithShader(ShaderQuality.Low, delegate 
+			{
+				vertexBuffer.SetData(vertices.ToArray());
+				indexBuffer.SetData(indicies.ToArray());
+				renderer.DrawBatch(vertexBuffer, indexBuffer, new Range<int>(0, vertices.Count), new Range<int>(0, indicies.Count), sprite.sheet.Texture);
+			});
+		}
 	}
 }

OpenRa.TechTree/Item.cs

@@ -9,10 +9,15 @@ namespace OpenRa.TechTree
 {
 	public class Item
 	{
+		readonly bool isStructure;
+
+		public bool IsStructure { get { return isStructure; } }
+
 		public Item(string tag, string friendlyName, IniSection section, bool isStructure)
 		{
 			this.tag = tag;
 			this.friendlyName = friendlyName;
+			this.isStructure = isStructure;
 
 			owner = ParseOwner(section);
 			techLevel = ParseTechLevel(section);

OpenRa.TechTree/TechTree.cs

@@ -12,11 +12,20 @@ namespace OpenRa.TechTree
 		Dictionary<string, Item> objects = new Dictionary<string, Item>();
 		public ICollection<string> built = new List<string>();
 
-		readonly Race currentRace;
+		Race currentRace = Race.None;
 
-		public TechTree(Race race)
+		public Race CurrentRace
+		{
+			get { return currentRace; }
+			set 
+			{ 
+				currentRace = value;
+				CheckAll();
+			}
+		}
+
+		public TechTree()
 		{
-			this.currentRace = race;
 			LoadRules();
 
 			built.Add("FACT");
@@ -89,5 +98,25 @@ namespace OpenRa.TechTree
 						yield return b;
 			}
 		}
+
+		public IEnumerable<Item> BuildableBuildings
+		{
+			get
+			{
+				foreach (Item i in BuildableItems)
+					if (i.IsStructure)
+						yield return i;
+			}
+		}
+
+		public IEnumerable<Item> BuildableUnits
+		{
+			get
+			{
+				foreach (Item i in BuildableItems)
+					if (!i.IsStructure)
+						yield return i;
+			}
+		}
 	}
 }