vendored bevy_egui and removed legacy code :/

Signed-off-by: Sienna Meridian Satterwhite <sienna@r3t.io>

crates/libmarathon/src/engine/input_controller.rs

@@ -169,6 +169,11 @@ impl InputController {
         let mut actions = Vec::new();
 
         match event {
+            InputEvent::MouseMove { pos: _ } => {
+                // Mouse hover - no game actions, just UI tracking
+                // This is handled by egui's custom_input_system
+            }
+
             InputEvent::Mouse { pos, button, phase } => {
                 self.process_mouse(*pos, *button, *phase, &mut actions);
             }

crates/libmarathon/src/engine/input_events.rs

@@ -39,6 +39,15 @@ pub struct Modifiers {
     pub meta: bool, // Command on macOS, Windows key on Windows
 }
 
+/// Input event buffer for Bevy ECS integration
+///
+/// The executor fills this buffer each frame with input events from winit,
+/// and Bevy systems (like egui) consume these events.
+#[derive(bevy::prelude::Resource, Default, Clone)]
+pub struct InputEventBuffer {
+    pub events: Vec<InputEvent>,
+}
+
 /// Abstract input event that the engine processes
 ///
 /// Platform-specific code converts native input (UITouch, winit events)
@@ -72,6 +81,13 @@ pub enum InputEvent {
         phase: TouchPhase,
     },
 
+    /// Mouse cursor movement (no button pressed)
+    /// This is separate from Mouse to distinguish hover from drag
+    MouseMove {
+        /// Screen position in pixels
+        pos: Vec2,
+    },
+
     /// Touch input (fingers on touchscreen)
     Touch {
         /// Screen position in pixels
@@ -107,6 +123,7 @@ impl InputEvent {
         match self {
             InputEvent::Stylus { pos, .. } => Some(*pos),
             InputEvent::Mouse { pos, .. } => Some(*pos),
+            InputEvent::MouseMove { pos } => Some(*pos),
             InputEvent::Touch { pos, .. } => Some(*pos),
             InputEvent::MouseWheel { pos, .. } => Some(*pos),
             InputEvent::Keyboard { .. } => None,
@@ -119,7 +136,7 @@ impl InputEvent {
             InputEvent::Stylus { phase, .. } => Some(*phase),
             InputEvent::Mouse { phase, .. } => Some(*phase),
             InputEvent::Touch { phase, .. } => Some(*phase),
-            InputEvent::Keyboard { .. } | InputEvent::MouseWheel { .. } => None,
+            InputEvent::Keyboard { .. } | InputEvent::MouseWheel { .. } | InputEvent::MouseMove { .. } => None,
         }
     }
 

crates/libmarathon/src/engine/mod.rs

@@ -16,6 +16,6 @@ pub use core::EngineCore;
 pub use events::EngineEvent;
 pub use game_actions::GameAction;
 pub use input_controller::{AccessibilitySettings, InputContext, InputController};
-pub use input_events::{InputEvent, KeyCode, Modifiers, MouseButton, TouchPhase};
+pub use input_events::{InputEvent, InputEventBuffer, KeyCode, Modifiers, MouseButton, TouchPhase};
 pub use networking::NetworkingManager;
 pub use persistence::PersistenceManager;