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#![doc = include_str!("../README.md")]
pub mod conf;
mod event;
pub mod fs;
pub mod graphics;
mod native;
use std::collections::HashMap;
use std::ops::{Index, IndexMut};
#[cfg(feature = "log-impl")]
pub mod log;
pub use event::*;
pub use graphics::*;
mod default_icon;
pub use native::gl;
#[derive(Clone)]
pub(crate) struct ResourceManager<T> {
id: usize,
resources: HashMap<usize, T>,
}
impl<T> Default for ResourceManager<T> {
fn default() -> Self {
Self {
id: 0,
resources: HashMap::new(),
}
}
}
impl<T> ResourceManager<T> {
pub fn add(&mut self, resource: T) -> usize {
self.resources.insert(self.id, resource);
self.id += 1;
self.id - 1
}
pub fn remove(&mut self, id: usize) -> T {
// Let it crash if the resource is not found
self.resources.remove(&id).unwrap()
}
}
impl<T> Index<usize> for ResourceManager<T> {
type Output = T;
fn index(&self, index: usize) -> &Self::Output {
&self.resources[&index]
}
}
impl<T> IndexMut<usize> for ResourceManager<T> {
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
self.resources.get_mut(&index).unwrap()
}
}
pub mod date {
#[cfg(not(target_arch = "wasm32"))]
pub fn now() -> f64 {
use std::time::SystemTime;
let time = SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.unwrap_or_else(|e| panic!("{}", e));
time.as_secs_f64()
}
#[cfg(target_arch = "wasm32")]
pub fn now() -> f64 {
use crate::native;
unsafe { native::wasm::now() }
}
}
pub type Context = dyn RenderingBackend;
use std::sync::{Mutex, OnceLock};
static NATIVE_DISPLAY: OnceLock<Mutex<native::NativeDisplayData>> = OnceLock::new();
fn set_display(display: native::NativeDisplayData) {
NATIVE_DISPLAY
.set(Mutex::new(display))
.unwrap_or_else(|_| panic!("NATIVE_DISPLAY already set"));
}
fn native_display() -> &'static Mutex<native::NativeDisplayData> {
NATIVE_DISPLAY
.get()
.expect("Backend has not initialized NATIVE_DISPLAY yet.") //|| Mutex::new(Default::default()))
}
/// Window and associated to window rendering context related functions.
/// in macroquad <= 0.3, it was ctx.screen_size(). Now it is window::screen_size()
pub mod window {
use super::*;
/// The same as
/// ```ignore
/// if metal {
/// Box::new(MetalContext::new())
/// } else {
/// Box::new(GlContext::new())
/// };
/// ```
/// but under #[cfg] gate to avoid MetalContext on non-apple platforms
pub fn new_rendering_backend() -> Box<dyn RenderingBackend> {
#[cfg(target_vendor = "apple")]
{
if window::apple_gfx_api() == conf::AppleGfxApi::Metal {
Box::new(MetalContext::new())
} else {
Box::new(GlContext::new())
}
}
#[cfg(not(target_vendor = "apple"))]
Box::new(GlContext::new())
}
/// The current framebuffer size in pixels
/// NOTE: [High DPI Rendering](../conf/index.html#high-dpi-rendering)
pub fn screen_size() -> (f32, f32) {
let d = native_display().lock().unwrap();
(d.screen_width as f32, d.screen_height as f32)
}
/// The dpi scaling factor (window pixels to framebuffer pixels)
/// NOTE: [High DPI Rendering](../conf/index.html#high-dpi-rendering)
pub fn dpi_scale() -> f32 {
let d = native_display().lock().unwrap();
d.dpi_scale
}
/// True when high_dpi was requested and actually running in a high-dpi scenario
/// NOTE: [High DPI Rendering](../conf/index.html#high-dpi-rendering)
pub fn high_dpi() -> bool {
let d = native_display().lock().unwrap();
d.high_dpi
}
pub fn blocking_event_loop() -> bool {
let d = native_display().lock().unwrap();
d.blocking_event_loop
}
/// This function simply quits the application without
/// giving the user a chance to intervene. Usually this might
/// be called when the user clicks the 'Ok' button in a 'Really Quit?'
/// dialog box
/// Window might not be actually closed right away (exit(0) might not
/// happen in the order_quit implmentation) and execution might continue for some time after
/// But the window is going to be inevitably closed at some point.
pub fn order_quit() {
let mut d = native_display().lock().unwrap();
d.quit_ordered = true;
}
/// Shortcut for `order_quit`. Will add a legacy attribute at some point.
pub fn quit() {
order_quit()
}
/// Calling request_quit() will trigger "quit_requested_event" event , giving
/// the user code a chance to intervene and cancel the pending quit process
/// (for instance to show a 'Really Quit?' dialog box).
/// If the event handler callback does nothing, the application will be quit as usual.
/// To prevent this, call the function "cancel_quit()"" from inside the event handler.
pub fn request_quit() {
let mut d = native_display().lock().unwrap();
d.quit_requested = true;
}
/// Cancels a pending quit request, either initiated
/// by the user clicking the window close button, or programmatically
/// by calling "request_quit()". The only place where calling this
/// function makes sense is from inside the event handler callback when
/// the "quit_requested_event" event has been received
pub fn cancel_quit() {
let mut d = native_display().lock().unwrap();
d.quit_requested = false;
}
/// Capture mouse cursor to the current window
/// On WASM this will automatically hide cursor
/// On desktop this will bound cursor to windows border
/// NOTICE: on desktop cursor will not be automatically released after window lost focus
/// so set_cursor_grab(false) on window's focus lost is recommended.
/// TODO: implement window focus events
pub fn set_cursor_grab(grab: bool) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::SetCursorGrab(grab))
.unwrap();
}
/// With `conf.platform.blocking_event_loop`, `schedule_update` called from an
/// event handler makes draw()/update() functions to be called without waiting
/// for a next event.
///
/// Does nothing without `conf.platform.blocking_event_loop`.
pub fn schedule_update() {
#[cfg(not(target_arch = "wasm32"))]
{
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::ScheduleUpdate)
.unwrap();
}
#[cfg(target_arch = "wasm32")]
unsafe {
native::wasm::sapp_schedule_update();
}
}
/// Show or hide the mouse cursor
pub fn show_mouse(shown: bool) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::ShowMouse(shown))
.unwrap();
}
/// Set the mouse cursor icon.
pub fn set_mouse_cursor(cursor_icon: CursorIcon) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::SetMouseCursor(cursor_icon))
.unwrap();
}
/// Set the application's window size.
pub fn set_window_size(new_width: u32, new_height: u32) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::SetWindowSize {
new_width,
new_height,
})
.unwrap();
}
pub fn set_window_position(new_x: u32, new_y: u32) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::SetWindowPosition { new_x, new_y })
.unwrap();
}
/// Get the position of the window.
/// TODO: implement for other platforms
#[cfg(target_os = "windows")]
pub fn get_window_position() -> (u32, u32) {
let d = native_display().lock().unwrap();
d.screen_position
}
pub fn set_fullscreen(fullscreen: bool) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::SetFullscreen(fullscreen))
.unwrap();
}
/// Get current OS clipboard value
pub fn clipboard_get() -> Option<String> {
let mut d = native_display().lock().unwrap();
d.clipboard.get()
}
/// Save value to OS clipboard
pub fn clipboard_set(data: &str) {
let mut d = native_display().lock().unwrap();
d.clipboard.set(data)
}
pub fn dropped_file_count() -> usize {
let d = native_display().lock().unwrap();
d.dropped_files.bytes.len()
}
pub fn dropped_file_bytes(index: usize) -> Option<Vec<u8>> {
let d = native_display().lock().unwrap();
d.dropped_files.bytes.get(index).cloned()
}
pub fn dropped_file_path(index: usize) -> Option<std::path::PathBuf> {
let d = native_display().lock().unwrap();
d.dropped_files.paths.get(index).cloned()
}
/// Show/hide onscreen keyboard.
/// Only works on Android right now.
pub fn show_keyboard(show: bool) {
let d = native_display().lock().unwrap();
d.native_requests
.send(native::Request::ShowKeyboard(show))
.unwrap();
}
#[cfg(target_vendor = "apple")]
pub fn apple_gfx_api() -> crate::conf::AppleGfxApi {
let d = native_display().lock().unwrap();
d.gfx_api
}
#[cfg(target_vendor = "apple")]
pub fn apple_view() -> crate::native::apple::frameworks::ObjcId {
let d = native_display().lock().unwrap();
d.view
}
#[cfg(target_ios = "ios")]
pub fn apple_view_ctrl() -> crate::native::apple::frameworks::ObjcId {
let d = native_display().lock().unwrap();
d.view_ctrl
}
}
#[derive(Debug, Copy, Clone, PartialEq, Hash, Eq)]
pub enum CursorIcon {
Default,
Help,
Pointer,
Wait,
Crosshair,
Text,
Move,
NotAllowed,
EWResize,
NSResize,
NESWResize,
NWSEResize,
}
/// Start miniquad.
pub fn start<F>(conf: conf::Conf, f: F)
where
F: 'static + FnOnce() -> Box<dyn EventHandler>,
{
#[cfg(target_os = "linux")]
{
let mut f = Some(f);
let f = &mut f;
match conf.platform.linux_backend {
conf::LinuxBackend::X11Only => {
native::linux_x11::run(&conf, f).expect("X11 backend failed")
}
conf::LinuxBackend::WaylandOnly => {
native::linux_wayland::run(&conf, f).expect("Wayland backend failed")
}
conf::LinuxBackend::X11WithWaylandFallback => {
if native::linux_x11::run(&conf, f).is_none() {
eprintln!("Failed to initialize through X11! Trying wayland instead");
native::linux_wayland::run(&conf, f);
}
}
conf::LinuxBackend::WaylandWithX11Fallback => {
if native::linux_wayland::run(&conf, f).is_none() {
eprintln!("Failed to initialize through wayland! Trying X11 instead");
native::linux_x11::run(&conf, f);
}
}
}
}
#[cfg(target_os = "android")]
unsafe {
native::android::run(conf, f);
}
#[cfg(target_arch = "wasm32")]
{
native::wasm::run(&conf, f);
}
#[cfg(target_os = "windows")]
{
native::windows::run(&conf, f);
}
#[cfg(target_os = "macos")]
unsafe {
native::macos::run(conf, f);
}
#[cfg(target_os = "ios")]
unsafe {
native::ios::run(conf, f);
}
}