re.ng.diag.debugger source code

1 /** provides runtime debugging functionality in an overlay */
2 
3 module re.ng.diag.debugger;
4 
5 import std.format;
6 
7 import re.core;
8 import re.ecs;
9 import re.input.input;
10 import re.math;
11 import re.gfx;
12 import re.gfx.render_ext;
13 import re.ng.diag.console;
14 import re.ng.diag.inspector;
15 static import raylib;
16 static import raygui;
17 
18 /// a robust overlay debugging tool
19 debug class Debugger {
20     public enum screen_padding = 12;
21     public Rectangle ui_bounds;
22     private enum bg_col = Color(180, 180, 180, 180);
23     private RenderTarget _render_target;
24     private enum _render_col = Color(255, 255, 255, 160);
25 
26     /// inspector panel
27     public static Inspector inspector;
28 
29     /// debug console
30     public static Console console;
31 
32     /// sets up debugger
33     this() {
34         inspector = new Inspector();
35         console = new Console();
36         if (!Core.headless) {
37             ui_bounds = Rectangle(0, 0, Core.window.width, Core.window.height);
38             _render_target = RenderExt.create_render_target(cast(int) ui_bounds.width, cast(int) ui_bounds
39                     .height);
40             Core.log.info(format("debugger info: ui bounds %s, resolution %s, window (%s,%s)",
41                     ui_bounds, Core.default_resolution, Core.window.width, Core.window.height));
42         }
43     }
44 
45     public void update() {
46         if (!Core.headless) {
47             // auto-resize inspector
48             inspector.width = cast(int)(ui_bounds.width * 0.7);
49         }
50 
51         if (Input.is_key_pressed(console.key)) {
52             Core.debug_render = !Core.debug_render;
53             console.open = !console.open;
54         }
55 
56         if (inspector.open)
57             inspector.update();
58         if (console.open)
59             console.update();
60     }
61 
62     public void render() {
63         raylib.BeginTextureMode(_render_target);
64         raylib.ClearBackground(Colors.BLANK);
65         if (inspector.open)
66             inspector.render();
67         if (console.open)
68             console.render();
69         raylib.EndTextureMode();
70 
71         // draw render target
72         RenderExt.draw_render_target(_render_target, Rectangle(0, 0,
73                 Core.window.width, Core.window.height), _render_col);
74     }
75 
76     /// clean up
77     public void destroy() {
78         if (inspector.open) {
79             inspector.close();
80         }
81         RenderExt.destroy_render_target(_render_target);
82     }
83 }