forked from nonsensical-dev/zenyx-engine
122 lines
4.6 KiB
Rust
122 lines
4.6 KiB
Rust
use std::io::{Read, Write};
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use std::ops::Deref;
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use std::sync::Arc;
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use ctx::WgpuCtx;
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use tracing::{debug, error, info, trace, warn};
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use winit::application::ApplicationHandler;
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use winit::event::WindowEvent;
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use winit::event_loop::ControlFlow;
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use winit::event_loop::{ActiveEventLoop, EventLoop};
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use winit::window::{Window, WindowId};
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pub mod ctx;
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#[derive(Default)]
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pub struct App<'window> {
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window: Vec<Arc<Window>>,
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ctx: Option<WgpuCtx<'window>>,
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}
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impl ApplicationHandler for App<'_> {
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fn resumed(&mut self, event_loop: &ActiveEventLoop) {
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if self.window.is_empty() {
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let win_attr = Window::default_attributes().with_title("Zenyx");
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let window = Arc::new(
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event_loop
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.create_window(win_attr)
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.expect("create window err."),
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);
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self.window.push(window.clone());
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let wgpu_ctx = WgpuCtx::new_blocking(window.clone()).unwrap();
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self.ctx = Some(wgpu_ctx)
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}
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}
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fn window_event(
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&mut self,
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event_loop: &ActiveEventLoop,
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window_id: WindowId,
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event: WindowEvent,
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) {
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match event {
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WindowEvent::CloseRequested => {
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if let Some(index) = self.window.iter().position(|window| window.id() == window_id) {
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let mut window = self.window.remove(index);
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let mut window = Arc::into_inner(window);
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window = None;
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drop(window);
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println!("Window: {:?} closed, exiting",window_id);
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}
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if self.window.is_empty() {
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event_loop.exit();
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}
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}
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WindowEvent::KeyboardInput {
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device_id,
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event,
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is_synthetic,
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} => match event.physical_key {
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winit::keyboard::PhysicalKey::Code(code) => {
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if event.state.is_pressed() == false {
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return;
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}
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match code {
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winit::keyboard::KeyCode::Space => {
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debug!("Space key pressed");
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if let Some(ctx) = &mut self.ctx {
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match ctx.bg_color() {
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wgpu::Color::WHITE => ctx.change_bg_color(wgpu::Color::BLACK),
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wgpu::Color::BLACK => ctx.change_bg_color(wgpu::Color::WHITE),
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_ => ctx.change_bg_color(wgpu::Color::WHITE),
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}
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}
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}
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winit::keyboard::KeyCode::Escape => {
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debug!("Escape key pressed, spawning new window");
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let win_attr =
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Window::default_attributes().with_title("Zenyx - New Window");
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let new_window = Arc::new(
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event_loop
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.create_window(win_attr)
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.expect("create window err."),
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);
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self.window.push(new_window.clone());
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let wgpu_ctx = WgpuCtx::new_blocking(new_window.clone()).unwrap();
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self.ctx = Some(wgpu_ctx);
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}
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_ => info!("Unimplemented keycode: {:?}", code),
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}
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}
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_ => {}
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},
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WindowEvent::RedrawRequested => {
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for window in &self.window {
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if let Some(ctx) = &mut self.ctx {
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ctx.draw();
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}
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window.request_redraw();
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}
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}
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WindowEvent::Resized(size) => {
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if let Some(window) = self.window.iter().find(|w| w.id() == window_id) {
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if let Some(wgpu_ctx) = &mut self.ctx {
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wgpu_ctx.resize(size.into());
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window.request_redraw();
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let size_str: String =
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size.height.to_string() + "x" + &size.width.to_string();
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debug!("Window resized to {:?}", size_str);
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}
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}
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}
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_ => trace!("Unhandled window event"),
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}
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}
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}
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pub fn init_renderer(event_loop: EventLoop<()>) {
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event_loop.set_control_flow(ControlFlow::Poll);
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let mut app = App::default();
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event_loop.run_app(&mut app).unwrap();
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}
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