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|
mod window;
mod ui;
mod tacmap;
mod wgpuctx;
mod eguictx;
mod vertex;
mod texture;
mod solar_system;
mod known_stars;
mod timeman;
use std::cell::RefCell;
use std::thread;
use std::time::{Duration, Instant};
use winit::event::{KeyEvent, WindowEvent};
use winit::event_loop::{EventLoop, ActiveEventLoop, ControlFlow};
use winit::error::{EventLoopError};
use winit::application::{ApplicationHandler};
use winit::keyboard::PhysicalKey;
use winit::window::{Window, WindowId, WindowAttributes};
use solar_system::*;
use crate::timeman::TimeMan;
use crate::window::GameWindow;
const TARGET_FPS: f32 = 100.0;
const TARGET_DT: Duration = Duration::from_millis((1000.0 / TARGET_FPS) as u64);
struct SystemicApp
{
window: Option<GameWindow>,
wgpu_instance: wgpu::Instance,
last_render_time: Instant,
game_state: Option<RefCell<GameState>>
}
struct GameState
{
timeman: TimeMan,
solar_systems: Vec<SolarSystem>
}
impl SystemicApp
{
fn create_window(
&mut self,
event_loop: &ActiveEventLoop)
{
self.window = Some(GameWindow::new(
&self.wgpu_instance,
event_loop).unwrap());
self.game_state = Some(RefCell::new(GameState::new()));
}
}
impl GameState
{
pub fn new()
-> Self {
let timeman = TimeMan::new(0);
let mut sol_system = match SolarSystem::new_from_known_star(0, "sol")
{
Ok(system) => system,
Err(e) => panic!("Unable to create sol system : {}", e)
};
sol_system.update(timeman.seconds());
Self {
timeman: timeman,
solar_systems: vec![ sol_system ]
}
}
pub fn solar_systems(&self) -> &[SolarSystem]
{ self.solar_systems.as_slice() }
pub fn timeman(&self) -> &TimeMan
{ &self.timeman }
pub fn timeman_mut(&mut self) -> &mut TimeMan
{ &mut self.timeman }
fn update(
&mut self,
dt: Duration)
{
let ticks = self.timeman.update();
ticks.iter().for_each(|time| {
solar_system::update_systems(self.solar_systems.iter_mut(), *time);
});
}
}
impl ApplicationHandler for SystemicApp
{
fn resumed(
&mut self,
event_loop: &ActiveEventLoop
) {
match self.window {
Some(_) => {}
None => self.create_window(event_loop)
}
}
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
window_id: WindowId,
event: winit::event::WindowEvent,
) {
let window = match &mut self.window {
Some(w) => w,
None => return
};
let game_state = match &self.game_state {
Some(state) => state,
None => return
};
window.on_event(&event);
match event {
WindowEvent::CloseRequested => {
event_loop.exit();
}
WindowEvent::Resized(size) => {
window.resize(size.width, size.height);
}
WindowEvent::RedrawRequested => {
let now = Instant::now();
let delta_time = now - self.last_render_time;
self.last_render_time = now;
game_state.borrow_mut().update(delta_time);
window.update(game_state, delta_time);
match window.render(game_state) {
Ok(_) => {}
Err(wgpu::SurfaceError::Outdated | wgpu::SurfaceError::Lost) => {
let size = window.size();
window.resize(size.width, size.height);
},
Err(e) => {
log::error!("Unable to render: {}", e);
}
}
if delta_time < TARGET_DT {
thread::sleep(TARGET_DT - delta_time);
}
}
WindowEvent::KeyboardInput {
event: KeyEvent {
physical_key: PhysicalKey::Code(key_code),
state: key_state,
..
},
..
} => {
window.keyboard_input(key_code, key_state);
}
_ => {}
}
}
} // impl ApplicationHandler for SystemicApp
fn main()
-> Result<(), EventLoopError>
{
env_logger::init();
let event_loop = EventLoop::new().unwrap();
event_loop.set_control_flow(ControlFlow::Poll);
let mut app = SystemicApp {
window: None,
wgpu_instance: wgpu::Instance::default(),
last_render_time: Instant::now(),
game_state: None
};
event_loop.run_app(&mut app)
}
|
