isodi.future.render_bundle source code

1 /// Implements RenderBundle. This module is exclusive to raylib-d, see #20 and #21.
2 module isodi.future.render_bundle;
3 
4 import raylib;
5 
6 import isodi.tests;
7 import isodi.position;
8 import isodi.camera : Camera;
9 
10 import isodi.raylib.model;
11 import isodi.raylib.display;
12 import isodi.raylib.camera;
13 
14 import isodi.future.resource;
15 
16 
17 @safe:
18 
19 
20 class RenderBundle : AdvancedDrawableResource {
21 
22     /// Position this bundle should be drawn at.
23     Position position;
24 
25     /// Resources to be drawn as a part of this render bundle.
26     DrawableResource[] resources;
27 
28     this() { }
29 
30     this(Position position) {
31 
32         this.position = position;
33 
34     }
35 
36     override void drawOffset(ref Camera camera, Position offset) @trusted {
37 
38         import isodi.raylib.internal;
39 
40         rlPushMatrix();
41         scope (exit) rlPopMatrix();
42 
43         const outputPosition = position.sum(offset);
44 
45         // Move to the appropriate position
46         rlTranslatef(outputPosition.toTuple3(100, CellPoint.center).expand);
47 
48         foreach (resource; resources) {
49 
50             rlPushMatrix();
51             scope (exit) rlPopMatrix();
52 
53             if (auto advancedResource = cast(AdvancedDrawableResource) resource) {
54 
55                 advancedResource.drawOffset(camera, outputPosition);
56 
57             }
58 
59             else resource.draw(camera);
60 
61         }
62 
63     }
64 
65 }
66 
67 mixin DisplayTest!((display) {
68 
69     import isodi.future.model;
70 
71     auto bundle1 = new RenderBundle(position(0, 0));
72     auto bundle2 = new RenderBundle(position(1, 2, Height(0.2)));
73 
74     class RotatingResource : DrawableResource {
75 
76         void draw(ref Camera camera) @trusted {
77 
78             DrawGrid(10, 100);
79 
80             camera.applyBillboard();
81             rlScalef(1, -1, 1);
82 
83             auto textWidth = MeasureText("This is a test", 20);
84             DrawText("This is a test", -textWidth/2, 0, 20, Colors.BLACK);
85 
86         }
87 
88     }
89 
90     bundle2.resources ~= [
91 
92         cast(DrawableResource) new RotatingResource(),
93         new OldModel(display, "wraith-white"),
94 
95     ];
96 
97     auto rldisplay = cast(RaylibDisplay) display;
98     rldisplay.addAnchor({
99 
100         bundle2.draw(display.camera);
101 
102     }).position = bundle2.position;
103 
104 });