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// Copyright 2017-2018 Matthew D. Michelotti
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! This module contains methods exported to the gate javascript code for WebAssembly.
//! DO NOT USE DIRECTLY!
use std::os::raw::{c_int, c_char};
use ::input::KeyCode;
use ::renderer::shaders;
use super::{app_runner_is_defined, app_runner_borrow, app_runner_borrow_mut, delete_app };
#[no_mangle]
pub unsafe extern "C" fn gateWasmInit() {
app_runner_borrow_mut().init();
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmOnResize(w: c_int, h: c_int) {
app_runner_borrow_mut().resize((w as u32, h as u32));
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmUpdateAndDraw(time_millis: f64, cursor_x: c_int, cursor_y: c_int) -> c_int {
app_runner_borrow_mut().update_cursor(cursor_x as i32, cursor_y as i32);
let continuing = app_runner_borrow_mut().update_and_draw(time_millis / 1000.0);
if !continuing {
delete_app();
}
if continuing { 1 } else { 0 }
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmKeyEvent(code: c_int, down: bool) -> c_int {
assert!(code >= 0 && code <= 255);
let code = KeyCode::from_u8(code as u8).unwrap();
let continuing = app_runner_borrow_mut().input(code, down);
if !continuing {
delete_app();
}
if continuing { 1 } else { 0 }
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmMouseEvent(cursor_x: c_int, cursor_y: c_int, button: c_int, down: bool) -> c_int {
app_runner_borrow_mut().update_cursor(cursor_x as i32, cursor_y as i32);
let code = match button {
0 => Some(KeyCode::MouseLeft),
1 => Some(KeyCode::MouseMiddle),
2 => Some(KeyCode::MouseRight),
_ => None,
};
let continuing = if let Some(code) = code {
app_runner_borrow_mut().input(code, down)
} else {
false
};
if !continuing {
delete_app();
}
if continuing { 1 } else { 0 }
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmIsAppDefined() -> c_int {
if app_runner_is_defined() { 1 } else { 0 }
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmMusicCount() -> c_int {
app_runner_borrow().music_count() as c_int
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmSoundCount() -> c_int {
app_runner_borrow().sound_count() as c_int
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmSpriteVertSrc() -> *const c_char {
shaders::VS_SPRITE_SRC
}
#[no_mangle]
pub unsafe extern "C" fn gateWasmSpriteFragSrc() -> *const c_char {
shaders::FS_SPRITE_SRC
}
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