Synvael/crates/client/src/main.rs

116 lines
3.4 KiB
Rust

//! Main entry point for the Project Catalyst client.
//!
//! This crate handles window creation, input processing, and drives the
//! renderer to display the game world.
use anyhow::{Context, Result};
use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
use tracing::{error, info};
use winit::application::ApplicationHandler;
use winit::event::WindowEvent;
use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
use winit::window::{Window, WindowId};
#[derive(Default)]
struct App {
window: Option<Window>,
renderer: Option<renderer::Renderer>,
}
impl ApplicationHandler for App {
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let attributes = Window::default_attributes().with_title("Project Catalyst");
let window = match event_loop.create_window(attributes) {
Ok(w) => w,
Err(e) => {
error!("Failed to create window: {e}");
event_loop.exit();
return;
}
};
let display_handle = match event_loop.display_handle() {
Ok(h) => h.as_raw(),
Err(e) => {
error!("Failed to get display handle: {e}");
event_loop.exit();
return;
}
};
let window_handle = match window.window_handle() {
Ok(h) => h.as_raw(),
Err(e) => {
error!("Failed to get window handle: {e}");
event_loop.exit();
return;
}
};
let required_extensions = match ash_window::enumerate_required_extensions(display_handle) {
Ok(exts) => exts,
Err(e) => {
error!("Failed to enumerate required extensions: {e}");
event_loop.exit();
return;
}
};
let size = window.inner_size();
let renderer = match renderer::Renderer::new(
display_handle,
window_handle,
size.width,
size.height,
required_extensions,
) {
Ok(r) => r,
Err(e) => {
error!("Failed to initialize Vulkan renderer: {e}");
event_loop.exit();
return;
}
};
self.window = Some(window);
self.renderer = Some(renderer);
}
fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
match event {
WindowEvent::CloseRequested => {
event_loop.exit();
}
WindowEvent::RedrawRequested => {
if let Some(Err(e)) = self.renderer.as_mut().map(renderer::Renderer::draw_frame) {
error!("Failed to draw frame: {e}");
event_loop.exit();
}
if let Some(window) = self.window.as_ref() {
window.request_redraw();
}
}
_ => (),
}
}
}
fn main() -> Result<()> {
tracing_subscriber::fmt()
.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
.init();
info!("Starting Project Catalyst client");
let event_loop = EventLoop::new().context("Failed to create event loop")?;
event_loop.set_control_flow(ControlFlow::Poll);
let mut app = App::default();
event_loop
.run_app(&mut app)
.context("Failed to run event loop")?;
Ok(())
}