From d39a7d62e7bdc63b2055ad93bf511cdd1e40e69d Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Sun, 19 Jan 2025 11:28:12 +0100
Subject: a

---
 client/Cargo.toml      |  3 +-
 client/src/main.rs     |  1 +
 client/src/renderer.rs | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++
 client/src/window.rs   | 24 +++++++++++-----
 4 files changed, 96 insertions(+), 8 deletions(-)
 create mode 100644 client/src/renderer.rs

(limited to 'client')

diff --git a/client/Cargo.toml b/client/Cargo.toml
index 471a905..8101167 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -10,7 +10,8 @@ anyhow = "1.0.95"
 arrayvec = "0.5.2"
 warn = ">=0.1.1,<0.3.0"
 xdg = "2.5.2"
-
+wgpu = "23.0.1"
+pollster = "0.4.0"
 winit = "0.30.8"
 
 twgame = { path = "../../twgame/twgame" }
diff --git a/client/src/main.rs b/client/src/main.rs
index ab05178..8373db9 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -4,6 +4,7 @@ use window::WindowState;
 use winit::event_loop::EventLoop;
 
 pub mod client;
+pub mod renderer;
 pub mod window;
 
 fn main() -> Result<()> {
diff --git a/client/src/renderer.rs b/client/src/renderer.rs
new file mode 100644
index 0000000..c8f7f0b
--- /dev/null
+++ b/client/src/renderer.rs
@@ -0,0 +1,76 @@
+use std::sync::Arc;
+
+use anyhow::{Result, anyhow};
+use pollster::FutureExt;
+use twgpu::{
+    Camera, GpuCamera,
+    map::{GpuMapData, GpuMapStatic},
+    shared::Rng,
+    sprites::{ParticleData, SpriteTextures, SpritesData, SpritesStatic},
+    textures::Samplers,
+};
+use wgpu::{
+    Backends, DeviceDescriptor, Features, Instance, InstanceDescriptor, Limits, MemoryHints,
+    PowerPreference, RequestAdapterOptions, TextureFormat,
+};
+use winit::window::Window;
+
+pub struct Renderer<'a> {
+    window: &'a Window,
+}
+
+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 samplers = Arc::new(Samplers::new(&device));
+        let mut 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 mut sprites_data = SpritesData::new(&device);
+        let mut particle_data = ParticleData::new(demo.current_time(), &device);
+        let mut textures = SpriteTextures::new(&device, &queue, &gpu_camera, &samplers);
+        let mut rng = Rng::new(0);
+        init_sprite_textures(&mut textures, twmap.version, &device, &queue)?;
+        let blit = Arc::new(Blit::new(&device));
+        let mut skin_manager = SkinManager::new(blit, &mut textures, device.clone(), queue.clone());
+
+        Self { window }
+    }
+    pub fn redraw() {}
+}
diff --git a/client/src/window.rs b/client/src/window.rs
index f003574..d0296e7 100644
--- a/client/src/window.rs
+++ b/client/src/window.rs
@@ -1,3 +1,4 @@
+use crate::renderer::Renderer;
 use winit::{
     application::ApplicationHandler,
     event::WindowEvent,
@@ -6,7 +7,7 @@ use winit::{
 };
 
 pub struct WindowState {
-    window: Option<Window>,
+    window: Option<(Window, Renderer<'static>)>,
 }
 
 impl WindowState {
@@ -16,11 +17,11 @@ impl WindowState {
 }
 impl ApplicationHandler for WindowState {
     fn resumed(&mut self, event_loop: &ActiveEventLoop) {
-        self.window = Some(
-            event_loop
-                .create_window(WindowAttributes::default().with_maximized(true))
-                .unwrap(),
-        )
+        let window = event_loop
+            .create_window(WindowAttributes::default().with_maximized(true))
+            .unwrap();
+        let renderer = Renderer::new(unsafe { std::mem::transmute(&window) });
+        self.window = Some((window, renderer))
     }
 
     fn window_event(
@@ -29,7 +30,7 @@ impl ApplicationHandler for WindowState {
         window_id: WindowId,
         event: WindowEvent,
     ) {
-        if let Some(win) = &self.window {
+        if let Some((win, ren)) = &self.window {
             match event {
                 WindowEvent::RedrawRequested => {}
                 _ => (),
@@ -37,3 +38,12 @@ impl ApplicationHandler for WindowState {
         }
     }
 }
+
+impl Drop for WindowState {
+    fn drop(&mut self) {
+        if let Some((win, ren)) = self.window.take() {
+            drop(ren);
+            drop(win);
+        }
+    }
+}
-- 
cgit v1.2.3-70-g09d2