1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

use ggez::{graphics::Color, *};
use mooeye::{scene_manager, ui, ui::UiContent};

/// This scene is the main-drop in scene and allows you to access the different tutorial scenes.
/// This is not intended to be a tutorial in itself and is thus more sparsely commented,
/// but feel free to read it to get a feeling for mooeye.
pub struct SelectorScene {
    /// The root element of this scene's GUI.
    /// As this is just a UI-scene with no underlying game state, no further fields are neccessary.
    gui: ui::UiElement<()>,
}

impl SelectorScene {
    /// Creates a new selector scene.
    /// This is the initial drop-in scene and it is always the same, so with the exception of the context
    /// required for creating text and image elements no further parameters are neccessary.
    pub fn new(ctx: &Context) -> Result<Self, GameError> {
        // Defining visuals

        let vis = ui::Visuals::new(
            Color::from_rgb(180, 120, 60),
            Color::from_rgb(18, 12, 6),
            1.,
            0.,
        );

        let hover_vis = ui::Visuals::new(
            Color::from_rgb(160, 100, 40),
            Color::from_rgb(18, 12, 6),
            3.,
            0.,
        );

        // Creating main grid

        let mut grid = ui::containers::GridBox::new(3, 2);

        let contents = ["Scene", "UiElement", "Container", "Messages", "Sprites"];

        for (i, &cont) in contents.iter().enumerate() {
            grid.add(
                graphics::Text::new(cont)
                    .set_scale(32.)
                    .to_owned()
                    .to_element_builder(i as u32 + 1, ctx)
                    .with_visuals(vis)
                    .with_hover_visuals(hover_vis)
                    .with_tooltip(
                        graphics::Text::new(format!(
                            "Click to look at the Scene created in the file {}.",
                            contents[i].to_lowercase()
                        ))
                        .set_scale(24.)
                        .set_wrap(true)
                        .set_bounds(glam::Vec2::new(240., 500.))
                        .to_owned()
                        .to_element_builder(0, ctx)
                        .with_visuals(hover_vis)
                        .build(),
                    )
                    .build(),
                i % 3,
                i / 3,
            )?;
        }

        // Add quit button

        grid.add(
            graphics::Text::new("Quit")
                .set_scale(32.)
                .to_owned()
                .to_element_builder(6, ctx)
                .with_visuals(vis)
                .with_hover_visuals(hover_vis)
                .build(),
            2,
            1,
        )?;

        Ok(Self {
            gui: grid.to_element_builder(0, ctx).build(),
        })
    }
}

impl scene_manager::Scene for SelectorScene {
    fn update(&mut self, ctx: &mut Context) -> Result<scene_manager::SceneSwitch, GameError> {
        let messages = self.gui.manage_messages(ctx, None);

        // Scene switches for different scenes

        if messages.contains(&ui::UiMessage::Triggered(1)) {
            return Ok(scene_manager::SceneSwitch::push(
                crate::b_scene::BScene::new(ctx),
            ));
        }

        if messages.contains(&ui::UiMessage::Triggered(2)) {
            return Ok(scene_manager::SceneSwitch::push(
                crate::c_uielement::CScene::new(ctx),
            ));
        }

        if messages.contains(&ui::UiMessage::Triggered(3)) {
            return Ok(scene_manager::SceneSwitch::push(
                crate::d_containers::DScene::new(ctx)?,
            ));
        }

        if messages.contains(&ui::UiMessage::Triggered(4)) {
            return Ok(scene_manager::SceneSwitch::push(
                crate::e_messages::EScene::new(ctx)?,
            ));
        }

        if messages.contains(&ui::UiMessage::Triggered(5)) {
            return Ok(scene_manager::SceneSwitch::push(
                crate::f_sprites::FScene::new(ctx)?,
            ));
        }

        // Exit

        if messages.contains(&ui::UiMessage::Triggered(6)) {
            return Ok(scene_manager::SceneSwitch::pop(1));
        }

        Ok(scene_manager::SceneSwitch::None)
    }

    fn draw(&mut self, ctx: &mut Context, mouse_listen: bool) -> Result<(), GameError> {
        // business as usual
        let mut canvas = ggez::graphics::Canvas::from_frame(ctx, Color::from_rgb(100, 100, 150));

        canvas.set_sampler(ggez::graphics::Sampler::nearest_clamp());

        self.gui.draw_to_screen(ctx, &mut canvas, mouse_listen);

        canvas.finish(ctx)?;

        Ok(())
    }
}