115 lines
3.2 KiB
C#
115 lines
3.2 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;
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// This is a LinkedList instead of a List because SetFpsText() adds to its front.
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static LinkedList<string> toasts = new LinkedList<string>();
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static List<DebugRect> rects = new List<DebugRect>();
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static List<DebugLine> lines = new List<DebugLine>();
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static Texture2D whiteTexture;
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public static void Initialize(GraphicsDevice graphics) {
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whiteTexture = new Texture2D(graphics, 1, 1);
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whiteTexture.SetData(new Color[] { Color.White });
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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() {
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toasts.Clear();
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rects.Clear();
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lines.Clear();
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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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rects.Add(new DebugRect(rect, color));
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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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}
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public static void DrawToasts(SpriteBatch spriteBatch, SpriteFont font) {
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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(font, 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(SpriteBatch spriteBatch, Camera camera) {
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if (!Enabled) {
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return;
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}
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foreach (var debugRect in rects) {
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var rect = debugRect.Rect;
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rect.Offset(-camera.Left, 0);
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var color = debugRect.Color;
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// top side
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spriteBatch.Draw(
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whiteTexture, new Rectangle(rect.Left, rect.Top, rect.Width, 1), color);
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// bottom side
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spriteBatch.Draw(
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whiteTexture, new Rectangle(rect.Left, rect.Bottom - 1, rect.Width, 1), color);
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// left side
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spriteBatch.Draw(
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whiteTexture, new Rectangle(rect.Left, rect.Top, 1, rect.Height), color);
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// right side
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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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}
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}
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}
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}
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