Merge pull request #2738 from Mailaender/a-star

A-star debug overlay

OpenRA.Game/Graphics/QuadRenderer.cs

@@ -0,0 +1,67 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Drawing;
+using OpenRA.FileFormats.Graphics;
+
+namespace OpenRA.Graphics
+{
+	public class QuadRenderer : Renderer.IBatchRenderer
+	{
+		Renderer renderer;
+		IShader shader;
+
+		Vertex[] vertices = new Vertex[Renderer.TempBufferSize];
+		int nv = 0;
+
+		public QuadRenderer(Renderer renderer, IShader shader)
+		{
+			this.renderer = renderer;
+			this.shader = shader;
+		}
+
+		public void Flush()
+		{
+			if (nv > 0)
+			{
+				shader.Render(() =>
+				{
+					var vb = renderer.GetTempVertexBuffer();
+					vb.SetData(vertices, nv);
+					renderer.DrawBatch(vb, 0, nv, PrimitiveType.QuadList);
+				});
+
+				nv = 0;
+			}
+		}
+
+		public void FillRect(RectangleF r, Color color)
+		{
+			Renderer.CurrentBatchRenderer = this;
+
+			if (nv + 4 > Renderer.TempBufferSize)
+				Flush();
+
+			vertices[nv] = new Vertex(new float2(r.Left, r.Top), new float2(color.R / 255.0f, color.G / 255.0f), new float2(color.B / 255.0f, color.A / 255.0f));
+			vertices[nv + 1] = new Vertex(new float2(r.Right, r.Top), new float2(color.R / 255.0f, color.G / 255.0f), new float2(color.B / 255.0f, color.A / 255.0f));
+			vertices[nv + 2] = new Vertex(new float2(r.Right, r.Bottom), new float2(color.R / 255.0f, color.G / 255.0f), new float2(color.B / 255.0f, color.A / 255.0f));
+			vertices[nv + 3] = new Vertex(new float2(r.Left, r.Bottom), new float2(color.R / 255.0f, color.G / 255.0f), new float2(color.B / 255.0f, color.A / 255.0f));
+
+			nv += 4;
+		}
+
+		public void SetShaderParams(ITexture palette, Size screen, float zoom, float2 scroll)
+		{
+			shader.SetVec("Scroll", (int)scroll.X, (int)scroll.Y);
+			shader.SetVec("r1", zoom*2f/screen.Width, -zoom*2f/screen.Height);
+			shader.SetVec("r2", -1, 1);
+		}
+	}
+}

OpenRA.Game/Graphics/Renderer.cs

@@ -28,6 +28,7 @@ namespace OpenRA.Graphics
 		internal static int TempBufferCount;
 
 		public SpriteRenderer WorldSpriteRenderer { get; private set; }
+		public QuadRenderer WorldQuadRenderer { get; private set; }
 		public LineRenderer WorldLineRenderer { get; private set; }
 		public LineRenderer LineRenderer { get; private set; }
 		public SpriteRenderer RgbaSpriteRenderer { get; private set; }
@@ -48,6 +49,7 @@ namespace OpenRA.Graphics
 			WorldSpriteRenderer = new SpriteRenderer(this, device.CreateShader("shp"));
 			WorldLineRenderer = new LineRenderer(this, device.CreateShader("line"));
 			LineRenderer = new LineRenderer(this, device.CreateShader("line"));
+			WorldQuadRenderer = new QuadRenderer(this, device.CreateShader("line"));
 			RgbaSpriteRenderer = new SpriteRenderer(this, device.CreateShader("rgba"));
 			SpriteRenderer = new SpriteRenderer(this, device.CreateShader("shp"));
 
@@ -67,6 +69,7 @@ namespace OpenRA.Graphics
 			device.Clear();
 			WorldSpriteRenderer.SetShaderParams(PaletteTexture, Resolution, zoom, scroll);
 			WorldLineRenderer.SetShaderParams(PaletteTexture, Resolution, zoom, scroll);
+			WorldQuadRenderer.SetShaderParams(PaletteTexture, Resolution, zoom, scroll);
 			SpriteRenderer.SetShaderParams(PaletteTexture, Resolution, 1f, float2.Zero);
 			LineRenderer.SetShaderParams(PaletteTexture, Resolution, 1f, float2.Zero);
 			RgbaSpriteRenderer.SetShaderParams(PaletteTexture, Resolution, 1f, float2.Zero);

OpenRA.Game/OpenRA.Game.csproj

@@ -80,6 +80,7 @@
     <Compile Include="ActorInitializer.cs" />
     <Compile Include="ActorMap.cs" />
     <Compile Include="ActorReference.cs" />
+    <Compile Include="Graphics\QuadRenderer.cs" />
     <Compile Include="PSubVec.cs" />
     <Compile Include="PSubPos.cs" />
     <Compile Include="PVecInt.cs" />