From 5ad62fff05064a6a025a9b947ebab05ed7770e6c Mon Sep 17 00:00:00 2001
From: tcmal <me@aria.rip>
Date: Sun, 25 Aug 2024 17:44:21 +0100
Subject: feat(render): handle window resize and close events again

---
 examples/render-bsp/src/main.rs |  4 +++-
 stockton-render/src/lib.rs      |  4 ++++
 stockton-render/src/window.rs   | 32 +++++++++++++++++++++++++++-----
 3 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/examples/render-bsp/src/main.rs b/examples/render-bsp/src/main.rs
index 4c7ef03..b18d7f2 100644
--- a/examples/render-bsp/src/main.rs
+++ b/examples/render-bsp/src/main.rs
@@ -76,7 +76,9 @@ fn main() {
             }
             Event::RedrawRequested(_) => session.do_update(),
             _ => {
-                tx.send(WindowEvent::from(&event)).unwrap();
+                if let Some(we) = WindowEvent::from(&event) {
+                    tx.send(we).unwrap();
+                }
             }
         }
 
diff --git a/stockton-render/src/lib.rs b/stockton-render/src/lib.rs
index 7cea5e7..4d10ff8 100644
--- a/stockton-render/src/lib.rs
+++ b/stockton-render/src/lib.rs
@@ -87,6 +87,10 @@ impl<'a> Renderer<'a> {
             self.context.draw_vertices(map, &faces).unwrap();
         }
     }
+
+    fn resize(&mut self) {
+        unsafe { self.context.handle_surface_change().unwrap() };
+    }
 }
 
 /// A system that just renders the world.
diff --git a/stockton-render/src/window.rs b/stockton-render/src/window.rs
index ab19a6a..6c4cecd 100644
--- a/stockton-render/src/window.rs
+++ b/stockton-render/src/window.rs
@@ -18,18 +18,40 @@
 use crate::Renderer;
 
 use winit::event::Event as WinitEvent;
+use winit::event::WindowEvent as WinitWindowEvent;
+use winit::event_loop::ControlFlow;
 
-pub struct WindowEvent {}
+#[derive(Debug, Clone, Copy)]
+pub enum WindowEvent {
+    SizeChanged,
+    CloseRequested,
+}
 
 impl WindowEvent {
-    pub fn from(_winit_event: &WinitEvent<()>) -> WindowEvent {
+    pub fn from(winit_event: &WinitEvent<()>) -> Option<WindowEvent> {
         // TODO
-        WindowEvent {}
+        match winit_event {
+            WinitEvent::WindowEvent { event, .. } => match event {
+                WinitWindowEvent::CloseRequested => Some(WindowEvent::CloseRequested),
+                WinitWindowEvent::Resized(_) => Some(WindowEvent::SizeChanged),
+                _ => None,
+            },
+            _ => None,
+        }
     }
 }
 
 #[system]
 /// A system to process the window events sent to renderer by the winit event loop.
-pub fn process_window_events(#[resource] _renderer: &mut Renderer<'static>) {
-    println!("processing window events...");
+pub fn process_window_events(#[resource] renderer: &mut Renderer<'static>) {
+    while let Ok(event) = renderer.window_events.try_recv() {
+        match event {
+            WindowEvent::SizeChanged => renderer.resize(),
+            WindowEvent::CloseRequested => {
+                let mut flow = renderer.update_control_flow.write().unwrap();
+                // TODO: Let everything know this is our last frame
+                *flow = ControlFlow::Exit;
+            }
+        };
+    }
 }
-- 
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