Fix awkward mouse conflict issues between egui and the engine

platform/src/context.rs

@@ -1,3 +1,4 @@
+use std::cell::Cell;
 use std::{cell::RefCell, rc::Rc};
 use std::sync::{Arc, Mutex, RwLock};
 use winit::event::Event;
@@ -15,6 +16,9 @@ pub struct PlatformContext {
     pub window: Arc<Mutex<winit::window::Window>>,
     pub egui_queue: Rc<RefCell<EguiQueue>>,
     pub settings: Arc<RwLock<Settings>>,
+    /// Sets whether or not egui will receive input events.
+    /// Added to prevent the mouse state conflict between the engine and egui.
+    pub should_egui_receive_input_events: Rc<Cell<bool>>,
 }
 
 #[derive(Clone)]