tinygame_core/
lib.rs

1mod core;
2mod core_plugin;
3
4pub use core::utils;
5pub use core::{
6    plugins::{Plugin, PluginMeta},
7    world::World,
8};
9pub use core_plugin::{Core, CorePlugin, CoreSettings};
10pub use sdl3_sys;
11
12#[doc(hidden)]
13pub use sdl3_main as __sdl3_main;
14#[doc(hidden)]
15pub use sdl3_sys as __sdl3_sys;
16
17#[macro_export]
18macro_rules! app {
19    ($setup:expr) => {
20        struct __TinygameState {
21            world: $crate::World,
22            sdl_core_event_sender: ::std::option::Option<
23                ::std::sync::mpsc::Sender<$crate::__sdl3_sys::events::SDL_Event>,
24            >,
25        }
26
27        #[$crate::__sdl3_main::app_init]
28        fn app_init(state_raw: *mut *mut ::std::ffi::c_void) -> $crate::__sdl3_main::AppResult {
29            let mut world = $crate::World::new();
30            let __tinygame_setup: fn(&mut $crate::World) = $setup;
31
32            __tinygame_setup(&mut world);
33
34            let init_status = world.run_init();
35            if init_status == $crate::__sdl3_main::AppResult::Continue {
36                let state = __TinygameState {
37                    sdl_core_event_sender: world
38                        .try_get::<$crate::Core>()
39                        .map(|core| core.sdl_events.sender()),
40                    world,
41                };
42                unsafe {
43                    *state_raw = ::std::boxed::Box::into_raw(::std::boxed::Box::new(state))
44                        as *mut ::std::ffi::c_void;
45                }
46            }
47
48            init_status
49        }
50
51        #[$crate::__sdl3_main::app_iterate]
52        fn app_iterate(state_raw: *mut ::std::ffi::c_void) -> $crate::__sdl3_main::AppResult {
53            let state = unsafe { &mut *(state_raw as *mut __TinygameState) };
54            state.world.run_step()
55        }
56
57        #[$crate::__sdl3_main::app_event]
58        fn app_event(
59            state_raw: *mut ::std::ffi::c_void,
60            event: $crate::__sdl3_sys::events::SDL_Event,
61        ) -> $crate::__sdl3_main::AppResult {
62            let state = unsafe { &*(state_raw as *mut __TinygameState) };
63            match &state.sdl_core_event_sender {
64                ::std::option::Option::Some(sender) => match sender.send(event) {
65                    ::std::result::Result::Ok(_) => $crate::__sdl3_main::AppResult::Continue,
66                    ::std::result::Result::Err(_) => $crate::__sdl3_main::AppResult::Failure,
67                },
68                ::std::option::Option::None => $crate::__sdl3_main::AppResult::Continue,
69            }
70        }
71
72        #[$crate::__sdl3_main::app_quit]
73        fn app_quit(state_raw: *mut ::std::ffi::c_void) {
74            let state = unsafe { ::std::boxed::Box::from_raw(state_raw as *mut __TinygameState) };
75            state.world.run_exit();
76        }
77    };
78}
tinygame_core/lib.rs

tinygame_core/
lib.rs
