bevy_wasm_sys 0.10.1

Import into your wasm scripts. Use with the bevy_wasm crate.
Documentation 
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

//! FFI declarations for communicating with the host.

#![allow(missing_docs)]

use std::ffi::c_void;

#[cfg(feature = "bevy")]
use bevy_app::App;

#[link(wasm_import_module = "host")]
extern "C" {
    pub fn store_app(app: *const c_void);
    pub fn console_info(msg: *const u8, len: usize);
    pub fn console_warn(msg: *const u8, len: usize);
    pub fn console_error(msg: *const u8, len: usize);
    pub fn send_serialized_event(event: *const u8, len: usize);
    pub fn get_next_event(event: *const u8, len: usize) -> usize;
    /// Nanoseconds since the mod was loaded
    pub fn get_time_since_startup() -> u64;
    pub fn get_protocol_version() -> u64;
    pub fn get_resource(uuid_0: u64, uuid_1: u64, buffer: *const u8, buffer_len: usize) -> usize;
}

/// This function is called by the host every frame.
///
/// # Safety
///
/// `app` is assumed to be a valid pointer to an [`App`].
#[cfg(feature = "bevy")]
#[no_mangle]
pub unsafe extern "C" fn update(app: *mut c_void) {
    if app.is_null() {
        return;
    }

    let app = app as *mut App;
    (*app).update();
}