1import std::io;
 2import std::collections;
 3import raylib55::rl;
 4
 5import config;
 6import embed;
 7
 8alias ProjectList = List {Project};
 9
10struct Project {
11    int width;
12    int height;
13}
14
15struct Context {
16    rl::RLFont regular_font;
17    rl::RLFont bold_font;
18    rl::RLCamera2D camera;
19
20    ProjectList projects;
21}
22
23fn void main() {
24    rl::set_config_flags(rl::RLConfigFlag.WINDOW_RESIZABLE | rl::RLConfigFlag.VSYNC_HINT);
25    rl::init_window(config::WINDOW_WIDTH, config::WINDOW_HEIGHT, config::WINDOW_TITLE);
26    defer rl::close_window();
27
28    Context ctx = {
29        .regular_font = rl::load_font_from_memory(".ttf", &embed::REGULAR_FONT_DATA[0], (int)embed::REGULAR_FONT_DATA.len, 96, null, 0),
30        .bold_font = rl::load_font_from_memory(".ttf", &embed::BOLD_FONT_DATA[0], (int)embed::BOLD_FONT_DATA.len, 96, null, 0),
31    };
32
33    defer rl::unload_font(ctx.regular_font);
34    defer rl::unload_font(ctx.bold_font);
35
36    rl::RLTexture2D.set_filter(ctx.regular_font.texture, rl::RLTextureFilter.BILINEAR);
37    rl::RLTexture2D.set_filter(ctx.bold_font.texture, rl::RLTextureFilter.BILINEAR);
38
39    rl::set_target_fps(config::TARGET_FPS);
40
41    // Camera setup.
42    ctx.camera = {
43        .zoom = 1.0,
44        .target = { 0.0, 0.0 },
45    };
46
47    // Initialize test project.
48    ctx.projects.init(mem);
49
50    Project p = {
51        .width = 300,
52        .height = 400,
53    };
54
55    ctx.projects.push(p);
56
57    // Load test image
58    rl::RLTexture2D img = rl::load_texture("tests/social_square_1080x1080_235kb.jpg");
59    defer rl::unload_texture(img);
60
61    while(!rl::window_should_close()) {
62        // Handle camera movement.
63        if (rl::is_mouse_button_down(rl::RLMouseButton.MIDDLE)) {
64            rl::RLVector2 delta = rl::get_mouse_delta();
65            ctx.camera.target[0] -= delta[0] / ctx.camera.zoom;
66            ctx.camera.target[1] -= delta[1] / ctx.camera.zoom;
67        }
68
69        // Handle camera zoom.
70        float wheel = rl::get_mouse_wheel_move();
71        if (wheel != 0) {
72            rl::RLVector2 mouse_world_pos = rl::get_screen_to_world2d(rl::get_mouse_position(), ctx.camera);
73            ctx.camera.offset = rl::get_mouse_position();
74            ctx.camera.target = mouse_world_pos;
75            ctx.camera.zoom += (wheel * config::ZOOM_SENSITIVITY);
76            if (ctx.camera.zoom < 0.125) { ctx.camera.zoom = 0.125; };
77        }
78
79        rl::begin_drawing();
80            rl::clear_background(rl::BLACK);
81            rl::draw_text_ex(ctx.regular_font, "Howdy!", { 100, 100 }, 42.0, 2.0, rl::BLUE);
82
83            rl::begin_mode2d(ctx.camera);
84                rl::draw_text_ex(ctx.regular_font, "Pannable Canvas", { 0, 0 }, 42.0, 2.0, rl::RED);
85                rl::draw_texture(img, 200, 200, rl::WHITE);
86            rl::end_mode2d();
87        rl::end_drawing();
88    }
89}