Move egui layer to a separate DebugGuiStack structure

src/core/debug_gui.rs

@@ -0,0 +1,50 @@
+use std::collections::HashMap;
+
+use vulkano_util::renderer::VulkanoWindowRenderer;
+use winit::{event_loop::EventLoopWindowTarget, window::WindowId};
+
+use crate::modules::graphics::egui::{Gui, GuiConfig};
+
+#[derive(Default)]
+pub struct DebugGuiStack {
+    guis: HashMap<WindowId, Gui>,
+}
+
+impl DebugGuiStack {
+    pub fn add_gui<T>(
+        &mut self,
+        window_id: WindowId,
+        event_loop: &EventLoopWindowTarget<T>,
+        renderer: &VulkanoWindowRenderer,
+        is_overlay: bool,
+        allow_srgb_render_target: bool,
+    ) where
+        T: Clone + Send + Sync,
+    {
+        let gui = Gui::new(
+            event_loop,
+            renderer.surface().clone(),
+            renderer.graphics_queue().clone(),
+            renderer.swapchain_format(),
+            GuiConfig {
+                is_overlay,
+                allow_srgb_render_target,
+                ..Default::default()
+            },
+        );
+
+        self.guis.insert(window_id, gui);
+    }
+
+    pub fn remove_gui(&mut self, window_id: WindowId) {
+        self.guis.remove(&window_id).unwrap();
+    }
+
+    pub fn get(&mut self, window_id: WindowId) -> Option<&Gui> {
+        self.guis.get(&window_id)
+    }
+
+    pub fn get_mut(&mut self, window_id: WindowId) -> Option<&mut Gui> {
+        self.guis.get_mut(&window_id)
+    }
+}