127 lines
3.8 KiB
C#
127 lines
3.8 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using System.Collections.Generic;
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namespace SemiColinGames {
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static class Debug {
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struct DebugRect {
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public Rectangle Rect;
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public Color Color;
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public DebugRect(Rectangle rect, Color color) {
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Rect = rect;
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Color = color;
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}
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}
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struct DebugLine {
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public Point Start;
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public Point End;
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public Color Color;
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public DebugLine(Point start, Point end, Color color) {
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Start = start;
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End = end;
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Color = color;
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}
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}
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public static bool Enabled = false;
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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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// Lines in excess of MAX_LINES get dropped on the floor.
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const int MAX_LINES = 2000;
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const int MAX_LINE_VERTICES = MAX_LINES * 2;
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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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public static void Initialize(GraphicsDevice graphics) {
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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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System.Diagnostics.Debug.WriteLine(s);
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}
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public static void WriteLine(string s, params object[] args) {
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System.Diagnostics.Debug.WriteLine(s, args);
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}
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public static void Clear(bool paused) {
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toasts.Clear();
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if (!paused) {
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lineIdx = 0;
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}
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}
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public static void AddToast(string s) {
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toasts.AddLast(s);
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}
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// FPS text is always displayed as the first toast (if set).
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public static void SetFpsText(string s) {
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toasts.AddFirst(s);
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}
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public static void AddRect(Rectangle rect, Color color) {
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AddLine(rect.Left, rect.Top, rect.Right, rect.Top, color);
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AddLine(rect.Right, rect.Top, rect.Right, rect.Bottom, color);
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AddLine(rect.Right, rect.Bottom, rect.Left, rect.Bottom, color);
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AddLine(rect.Left, rect.Bottom, rect.Left, rect.Top, color);
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}
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public static void AddRect(AABB box, Color color) {
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Rectangle rect = new Rectangle(
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(int) (box.Position.X - box.HalfSize.X), (int) (box.Position.Y - box.HalfSize.Y),
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(int) (box.HalfSize.X * 2), (int) (box.HalfSize.Y * 2));
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AddRect(rect, color);
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}
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public static void AddLine(Point start, Point end, Color 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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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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AddLine(start.ToPoint(), end.ToPoint(), color);
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}
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public static void DrawToasts(SpriteBatch spriteBatch) {
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if (!Enabled) {
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return;
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}
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int y = 10;
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foreach (var toast in toasts) {
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spriteBatch.DrawString(Textures.DebugFont, toast, new Vector2(10, y), Color.Teal);
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y += 30;
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}
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}
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public static void Draw(GraphicsDevice graphics, BasicEffect lightingEffect) {
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if (!Enabled) {
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return;
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}
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if (lineIdx == 0) {
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return;
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}
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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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}
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