diff options
author | tcmal <me@aria.rip> | 2024-08-25 17:44:21 +0100 |
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committer | tcmal <me@aria.rip> | 2024-08-25 17:44:21 +0100 |
commit | 4cfa1bf05616089e166e252c5f583f20274658e9 (patch) | |
tree | bbce28bb7284289fec185398421db6a0519e9837 /examples/render-bsp | |
parent | 9f6b7a10e7e00edf6ab50a9cf162b377d84a43f6 (diff) |
refactor(all): remove render-quad and optimise imports
Diffstat (limited to 'examples/render-bsp')
-rw-r--r-- | examples/render-bsp/src/main.rs | 56 |
1 files changed, 34 insertions, 22 deletions
diff --git a/examples/render-bsp/src/main.rs b/examples/render-bsp/src/main.rs index 0d81759..37807a9 100644 --- a/examples/render-bsp/src/main.rs +++ b/examples/render-bsp/src/main.rs @@ -21,16 +21,9 @@ extern crate stockton_render; extern crate winit; extern crate log; extern crate simple_logger; -extern crate image; use std::time::SystemTime; use std::f32::consts::PI; -use image::load_from_memory; - -use stockton_levels::prelude::*; -use stockton_levels::q3::Q3BSPFile; -use stockton_types::{World, Vector3, Vector2}; -use stockton_render::Renderer; use winit::{ event::{Event, WindowEvent, ElementState}, @@ -38,12 +31,21 @@ use winit::{ window::WindowBuilder }; +use stockton_levels::{ + prelude::*, + q3::Q3BSPFile +}; +use stockton_types::{World, Vector3, Vector2}; +use stockton_render::Renderer; + + /// Movement speed, world units per second const SPEED: f32 = 100.0; /// Pixels required to rotate 90 degrees const PIXELS_PER_90D: f32 = 100.0; +/// Sensitivity, derived from above const SENSITIVITY: f32 = PI / (2.0 * PIXELS_PER_90D); #[derive(Debug)] @@ -68,6 +70,7 @@ impl KeyState { } } + /// Helper function to get our movement request as a normalized vector pub fn as_vector(&self) -> Vector3 { let mut vec = Vector3::new(0.0, 0.0, 0.0); @@ -89,14 +92,16 @@ impl KeyState { vec.z = -1.0; } + vec.normalize_mut(); vec } } fn main() { + // Initialise logger simple_logger::init_with_level(log::Level::Debug).unwrap(); - // Load the world and renderer + // Make a window let event_loop = EventLoop::new(); let window = WindowBuilder::new().build(&event_loop).unwrap(); @@ -105,25 +110,17 @@ fn main() { } window.set_cursor_visible(false); + // Parse the map file and swizzle the co-ords let data = include_bytes!("../data/test.bsp").to_vec().into_boxed_slice(); let bsp: Result<Q3BSPFile<Q3System>, stockton_levels::types::ParseError> = Q3BSPFile::parse_file(&data); let bsp: Q3BSPFile<Q3System> = bsp.unwrap(); let bsp: Q3BSPFile<VulkanSystem> = bsp.swizzle_to(); + // Load into a world and create the new renderer let world = World::new(bsp); let mut renderer = Renderer::new(world, &window).unwrap(); - // { - // renderer.context.add_texture( - // load_from_memory(include_bytes!("../../render-quad/data/test1.png")) - // .expect("Couldn't load test texture 1") - // .into_rgba()).unwrap(); - - // renderer.context.add_texture( - // load_from_memory(include_bytes!("../../render-quad/data/test2.png")) - // .expect("Couldn't load test texture 2") - // .into_rgba()).unwrap(); - // } + // Done loading - This is our main loop. let mut last_update = SystemTime::now(); let mut key_state = KeyState::new(); @@ -137,9 +134,12 @@ fn main() { event, .. } => match event { + // Close when requested WindowEvent::CloseRequested => { *flow = ControlFlow::Exit }, + + // Update our keystates WindowEvent::KeyboardInput {input, ..} => match input.scancode { // A 30 => key_state.left = input.state == ElementState::Pressed, @@ -155,41 +155,53 @@ fn main() { 42 => key_state.down = input.state == ElementState::Pressed, _ => () }, + + // Look around with mouse WindowEvent::CursorMoved { position, .. } => { - // Special case: First frame + // Don't do anything on the first frame if last_cursor_pos.x != 0.0 || last_cursor_pos.y == 0.0 { + // Figure out how much to rotate by let x_offset = (position.x as f32 - last_cursor_pos.x) * SENSITIVITY; let y_offset = (position.y as f32 - last_cursor_pos.y) * SENSITIVITY; + // Rotate renderer.context.rotate(Vector3::new( -y_offset, x_offset, 0.0 )); } - + + // For tracking how much the mouse has moved last_cursor_pos.x = position.x as f32; last_cursor_pos.y = position.y as f32; } _ => () }, + // Nothing new happened Event::MainEventsCleared => { + // Draw as many frames as we can + // This isn't ideal, but it'll do for now. window.request_redraw() }, - Event::RedrawRequested(_) => { + // Redraw - either from above or resizing, etc + Event::RedrawRequested(_) => { + // Time since last frame drawn. Again, not ideal. let delta = last_update.elapsed().unwrap().as_secs_f32(); last_update = SystemTime::now(); + // Move our camera if needed let delta_pos = key_state.as_vector() * delta * SPEED; if delta_pos.x != 0.0 || delta_pos.y != 0.0 || delta_pos.z != 0.0 { renderer.context.move_camera_relative(delta_pos); } + // Render the frame renderer.render_frame().unwrap() } _ => () |