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@ -27,15 +27,22 @@ namespace SemiColinGames { |
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} |
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public static bool Enabled = true; |
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// Lines in excess of MAX_LINES get dropped on the floor.
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const int MAX_LINES = 1000; |
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const int MAX_LINE_VERTICES = MAX_LINES * 2; |
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// This is a LinkedList instead of a List because SetFpsText() adds to its front.
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static readonly LinkedList<string> toasts = new LinkedList<string>(); |
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static readonly List<DebugRect> rects = new List<DebugRect>(); |
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static readonly List<DebugLine> lines = new List<DebugLine>(); |
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static int lineIdx = 0; |
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static readonly VertexPositionColor[] lineVertices = new VertexPositionColor[MAX_LINE_VERTICES]; |
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static VertexBuffer vertexBuffer; |
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static Texture2D whiteTexture; |
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public static void Initialize(Texture2D white) { |
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public static void Initialize(GraphicsDevice graphics, Texture2D white) { |
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whiteTexture = white; |
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vertexBuffer = new VertexBuffer( |
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graphics, typeof(VertexPositionColor), MAX_LINE_VERTICES, BufferUsage.WriteOnly); |
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} |
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public static void WriteLine(string s) { |
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@ -50,7 +57,7 @@ namespace SemiColinGames { |
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toasts.Clear(); |
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if (!paused) { |
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rects.Clear(); |
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lines.Clear(); |
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lineIdx = 0; |
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} |
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} |
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@ -75,15 +82,20 @@ namespace SemiColinGames { |
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} |
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public static void AddLine(Point start, Point end, Color color) { |
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lines.Add(new DebugLine(start, end, color)); |
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if (lineIdx >= MAX_LINE_VERTICES) { |
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return; |
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} |
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lineVertices[lineIdx] = new VertexPositionColor(new Vector3(start.X, start.Y, 0), color); |
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lineVertices[lineIdx + 1] = new VertexPositionColor(new Vector3(end.X, end.Y, 0), color); |
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lineIdx += 2; |
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} |
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public static void AddLine(int p1x, int p1y, int p2x, int p2y, Color color) { |
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lines.Add(new DebugLine(new Point(p1x, p1y), new Point(p2x, p2y), color)); |
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AddLine(new Point(p1x, p1y), new Point(p2x, p2y), color); |
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} |
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public static void AddLine(Vector2 start, Vector2 end, Color color) { |
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lines.Add(new DebugLine(start.ToPoint(), end.ToPoint(), color)); |
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AddLine(start.ToPoint(), end.ToPoint(), color); |
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} |
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public static void DrawToasts(SpriteBatch spriteBatch, SpriteFont font) { |
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@ -97,10 +109,13 @@ namespace SemiColinGames { |
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} |
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} |
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public static void Draw(SpriteBatch spriteBatch) { |
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public static void Draw( |
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SpriteBatch spriteBatch, GraphicsDevice graphics, BasicEffect lightingEffect) { |
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if (!Enabled) { |
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return; |
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} |
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// Draw rects.
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foreach (var debugRect in rects) { |
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var rect = debugRect.Rect; |
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var color = debugRect.Color; |
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@ -117,12 +132,13 @@ namespace SemiColinGames { |
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spriteBatch.Draw( |
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whiteTexture, new Rectangle(rect.Right - 1, rect.Top, 1, rect.Height), color); |
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} |
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foreach (var line in lines) { |
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Point[] points = Line.Rasterize(line.Start, line.End); |
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foreach (var point in points) { |
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spriteBatch.Draw( |
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whiteTexture, new Rectangle(point.X, point.Y, 1, 1), line.Color); |
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} |
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// Draw lines.
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graphics.SetVertexBuffer(vertexBuffer); |
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vertexBuffer.SetData(lineVertices); |
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foreach (EffectPass pass in lightingEffect.CurrentTechnique.Passes) { |
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pass.Apply(); |
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graphics.DrawPrimitives(PrimitiveType.LineList, 0, lineIdx / 2); |
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} |
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} |
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} |
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