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|
use crate::skin_manager::{SkinManager, init_sprite_textures};
use anyhow::{Result, anyhow};
use log::warn;
use pollster::FutureExt;
use std::{sync::Arc, time::Instant};
use twgpu::{
Camera, GpuCamera, TwRenderPass,
blit::Blit,
buffer::GpuBuffer,
map::{GpuMapData, GpuMapRender, GpuMapStatic},
sprites::{ParticleData, ParticleGroup, SpriteTextures, SpritesData, SpritesStatic},
textures::Samplers,
};
use twmap::TwMap;
use vek::Vec2;
use wgpu::{
Backends, Color, CommandEncoderDescriptor, Device, DeviceDescriptor, Features, Instance,
InstanceDescriptor, Limits, LoadOp, MaintainBase, MemoryHints, Operations, PowerPreference,
Queue, RenderPassColorAttachment, RenderPassDescriptor, RequestAdapterOptions, StoreOp,
Surface, SurfaceConfiguration, TextureFormat, TextureViewDescriptor,
};
use winit::{dpi::PhysicalSize, window::Window};
pub struct Renderer<'a> {
device: Arc<Device>,
queue: Arc<Queue>,
window: &'a Window,
surface: Surface<'a>,
surface_configuration: SurfaceConfiguration,
twmap: TwMap,
map_render: GpuMapRender,
map_data: GpuMapData,
camera: Camera,
sprites_data: SpritesData,
particle_data: ParticleData,
skin_manager: SkinManager,
sprites_static: SpritesStatic,
sprite_textures: SpriteTextures,
gpu_camera: Arc<GpuBuffer<Camera>>,
start: Instant,
need_reconfigure: bool,
}
impl<'a> Renderer<'a> {
pub fn new(window: &'a Window) -> Result<Self> {
let texture_format = TextureFormat::Bgra8UnormSrgb;
let instance = Instance::new(InstanceDescriptor {
backends: Backends::all(),
..Default::default()
});
let surface = instance.create_surface(window)?;
let adapter = instance
.request_adapter(&RequestAdapterOptions {
power_preference: PowerPreference::HighPerformance,
compatible_surface: Some(&surface),
force_fallback_adapter: false,
})
.block_on()
.ok_or(anyhow!("no adapter found"))?;
eprintln!("Adapter {:#?}", adapter.limits());
let (device, queue) = adapter
.request_device(
&DeviceDescriptor {
label: None,
required_features: Features::default(),
required_limits: Limits::default(),
memory_hints: MemoryHints::Performance,
},
None,
)
.block_on()?;
let device = Arc::new(device);
let queue = Arc::new(queue);
let mut twmap = TwMap::parse(include_bytes!(
"/home/muffin/etc/ddnet-maps/types/novice/maps/Mint.map"
))?;
twmap.load()?;
let samplers = Arc::new(Samplers::new(&device));
let camera = Camera::new(1.);
let gpu_camera = Arc::new(GpuCamera::upload(&camera, &device));
let map_static = GpuMapStatic::new(texture_format, &device);
let map_data = GpuMapData::upload(&twmap, &device, &queue);
let map_render =
map_static.prepare_render(&twmap, &map_data, &gpu_camera, &samplers, &device);
let sprites_static = SpritesStatic::new(texture_format, &device);
let sprites_data = SpritesData::new(&device);
let particle_data = ParticleData::new(0.0, &device);
let mut sprite_textures = SpriteTextures::new(&device, &queue, &gpu_camera, &samplers);
init_sprite_textures(&mut sprite_textures, twmap.version, &device, &queue)?;
let blit = Arc::new(Blit::new(&device));
let skin_manager =
SkinManager::new(blit, &mut sprite_textures, device.clone(), queue.clone());
let surface_configuration = surface
.get_default_config(&adapter, 256, 256)
.ok_or(anyhow!("no surface config"))?;
surface.configure(&device, &surface_configuration);
Ok(Self {
start: Instant::now(),
map_data,
sprites_static,
window,
device,
queue,
twmap,
surface,
surface_configuration,
map_render,
camera,
gpu_camera,
particle_data,
skin_manager,
sprites_data,
sprite_textures,
need_reconfigure: false,
})
}
pub fn resize(&mut self, size: PhysicalSize<u32>) {
self.surface_configuration.width = size.width;
self.surface_configuration.height = size.height;
self.camera
.switch_aspect_ratio(size.width as f32 / size.height as f32);
self.reconfigure();
}
pub fn reconfigure(&mut self) {
self.surface
.configure(&self.device, &self.surface_configuration);
self.need_reconfigure = false;
}
pub fn redraw(&mut self) -> Result<()> {
if self.need_reconfigure {
self.reconfigure();
}
let target = self.surface.get_current_texture()?;
if target.suboptimal {
warn!("suboptimal surface, need reconfigure");
self.need_reconfigure = true;
}
let time = self.start.elapsed().as_micros() as i64;
let size = Vec2::new(
self.surface_configuration.width,
self.surface_configuration.height,
);
self.map_data
.update(&self.twmap, &self.camera, size, time, time, &self.queue);
self.gpu_camera.update(&self.camera, &self.queue);
let target_view = target
.texture
.create_view(&TextureViewDescriptor::default());
let mut commands = self
.device
.create_command_encoder(&CommandEncoderDescriptor { label: None });
{
let rpass = commands.begin_render_pass(&RenderPassDescriptor {
label: None,
color_attachments: &[Some(RenderPassColorAttachment {
view: &target_view,
resolve_target: None,
ops: Operations {
load: LoadOp::Clear(Color::BLACK),
store: StoreOp::Store,
},
})],
..Default::default()
});
let mut rpass = TwRenderPass::new(rpass, size, &self.camera);
self.map_render.render_background(&mut rpass);
self.sprites_static.render_particles(
&self.particle_data,
ParticleGroup::Trails,
&self.sprite_textures,
&mut rpass.render_pass,
);
self.sprites_static.render(
&self.sprites_data,
&self.sprite_textures,
&mut rpass.render_pass,
);
self.map_render.render_foreground(&mut rpass);
self.sprites_static.render_particles(
&self.particle_data,
ParticleGroup::Explosions,
&self.sprite_textures,
&mut rpass.render_pass,
);
self.sprites_static.render_particles(
&self.particle_data,
ParticleGroup::Extra,
&self.sprite_textures,
&mut rpass.render_pass,
);
self.sprites_static.render_particles(
&self.particle_data,
ParticleGroup::General,
&self.sprite_textures,
&mut rpass.render_pass,
);
}
let submission = self.queue.submit(Some(commands.finish()));
self.device
.poll(MaintainBase::WaitForSubmissionIndex(submission));
target.present();
Ok(())
}
}
|
