menus/
menus.rs

1//! Main menu, options sub menu, name input and a quit confirmation.
2//! Shows how to design your own click sounds with the synth.
3//!
4//! Run with `cargo run --example menus`.
5
6use audio_code::prelude::*;
7
8/// Settings shared between scenes through `ctx.insert` / `ctx.get`.
9struct Settings {
10    volume: f32,
11    difficulty: usize,
12    name: String,
13}
14
15struct MainMenu;
16
17fn main_menu() -> Menu {
18    Menu::new("main", "Main menu")
19        .button("play", "Play")
20        .button("options", "Options")
21        .button("name", "Change name")
22        .button("quit", "Quit")
23        .closable(false)
24        .wrap(true)
25}
26
27fn options_menu(s: &Settings) -> Menu {
28    Menu::new("options", "Options")
29        .slider("volume", "Volume", s.volume * 100.0, 0.0, 100.0, 10.0)
30        .choice("difficulty", "Difficulty", &["Easy", "Normal", "Hard"], s.difficulty)
31        .text_field("name", "Player name", s.name.clone())
32        .button("back", "Back")
33}
34
35impl Scene for MainMenu {
36    fn start(&mut self, ctx: &mut Context) {
37        // Own interface sounds, designed in code. Files work too:
38        // ctx.ui.set_sound(UiSound::Navigate, Some("ui/click"));
39        ctx.ui.set_sound_data(UiSound::Navigate, Synth::triangle(1800.0).length(0.025).decay(150.0).volume(0.4));
40        ctx.ui.set_sound_data(UiSound::Wrap, Synth::triangle(1800.0).sweep_to(2600.0).length(0.06).decay(60.0).volume(0.4));
41        ctx.ui.set_sound_data(UiSound::Typing, Synth::noise().length(0.012).decay(300.0).volume(0.25));
42        ctx.ui.set_sound_data(
43            UiSound::Activate,
44            Synth::sine(880.0).length(0.04).volume(0.35).then(Synth::sine(1320.0).length(0.08).decay(40.0).volume(0.35)),
45        );
46        ctx.insert(Settings { volume: 0.8, difficulty: 1, name: "Player".into() });
47        ctx.ui.open(main_menu());
48    }
49
50    fn on_ui(&mut self, event: &UiEvent, ctx: &mut Context) {
51        match event {
52            UiEvent::Activated { menu, item } => match (menu.as_str(), item.as_str()) {
53                ("main", "play") => {
54                    let s = ctx.get::<Settings>().expect("settings exist");
55                    let text = format!("Good luck, {}! (this is where your game would start)", s.name);
56                    ctx.ui.message("intro", text);
57                }
58                ("main", "options") => {
59                    let menu = options_menu(ctx.get::<Settings>().expect("settings exist"));
60                    ctx.ui.open(menu);
61                }
62                ("main", "name") => ctx.ui.open(TextInput::new("name", "Enter your name").max_length(20).required()),
63                ("main", "quit") => ctx.ui.open(Confirm::new("quit", "Do you really want to quit?").default_no()),
64                ("options", "back") => ctx.ui.close(),
65                _ => {}
66            },
67            UiEvent::Changed { menu, item, value } if menu == "options" => {
68                let s = ctx.get_mut::<Settings>().expect("settings exist");
69                match item.as_str() {
70                    "volume" => s.volume = value.as_f32() / 100.0,
71                    "difficulty" => s.difficulty = value.as_index(),
72                    "name" => s.name = value.as_str().to_string(),
73                    _ => {}
74                }
75                let volume = s.volume;
76                ctx.audio.set_master_volume(volume);
77            }
78            UiEvent::TextSubmitted { id, text } if id == "name" => {
79                ctx.get_mut::<Settings>().expect("settings exist").name = text.clone();
80                ctx.speech.speak_queued(format!("Hello, {text}"));
81            }
82            UiEvent::Confirmed { id, yes: true } if id == "quit" => ctx.quit(),
83            _ => {}
84        }
85    }
86
87    fn update(&mut self, _ctx: &mut Context) {}
88}
89
90fn main() -> audio_code::Result<()> {
91    Engine::new("Menu demo").echo_speech(true).run(MainMenu)
92}
menus/menus.rs

menus/
menus.rs
