tinygame_core/
core_plugin.rs

1use sdl3_sys::{events::SDL_Event, init::*};
2
3use crate::{
4    AppResult,
5    core::{
6        plugins::{Plugin, PluginMeta},
7        utils::{EventQueue, get_error},
8        world::World,
9    },
10};
11
12#[derive(Clone)]
13pub struct CoreSettings {
14    pub init_sensors: bool,
15    pub init_cameras: bool,
16    pub init_controllers: bool,
17}
18
19impl Default for CoreSettings {
20    fn default() -> Self {
21        Self {
22            init_sensors: false,
23            init_cameras: false,
24            init_controllers: false,
25        }
26    }
27}
28
29pub struct Core {
30    pub sdl_events: EventQueue<SDL_Event>,
31}
32
33impl Core {
34    pub fn new() -> Self {
35        Self {
36            sdl_events: EventQueue::new(),
37        }
38    }
39}
40
41pub struct CorePlugin;
42
43impl Plugin for CorePlugin {
44    fn get_meta() -> PluginMeta {
45        PluginMeta {
46            name: "core",
47            depends_on: &[],
48        }
49    }
50
51    fn init(world: &mut World) -> AppResult {
52        let settings = world
53            .try_get::<CoreSettings>()
54            .map(|settings| settings.clone())
55            .unwrap_or_default();
56
57        let mut flags = SDL_INIT_EVENTS | SDL_INIT_VIDEO | SDL_INIT_AUDIO;
58        if settings.init_controllers {
59            flags |= SDL_INIT_GAMEPAD;
60            flags |= SDL_INIT_HAPTIC;
61        }
62        if settings.init_sensors {
63            flags |= SDL_INIT_SENSOR;
64        }
65        if settings.init_cameras {
66            flags |= SDL_INIT_CAMERA;
67        }
68
69        if !unsafe { SDL_Init(flags) } {
70            let _ = get_error();
71            return AppResult::Failure;
72        }
73
74        world.insert(Core::new());
75
76        AppResult::Continue
77    }
78
79    fn step(world: &World) -> AppResult {
80        let mut core = world.get_mut::<Core>();
81
82        core.sdl_events.clear();
83        core.sdl_events.collect();
84
85        AppResult::Continue
86    }
87
88    fn exit(_world: &World) {
89        unsafe { SDL_Quit() }
90    }
91}
tinygame_core/core_plugin.rs

tinygame_core/
core_plugin.rs
