chore,gd: refactored project structure and started the mantle system

player_controller/Scripts/Mouse.cs

@@ -0,0 +1,48 @@
+using System;
+using Godot;
+
+namespace PolarBears.PlayerControllerAddon;
+
+public partial class Mouse : Node3D
+{
+    [Export(PropertyHint.Range, "0,0.1,0.001,or_greater")]
+    public float Sensitivity { get; set; } = 0.004f;
+    
+    private Node3D _head;
+    private Camera3D _camera;
+
+    public delegate bool IsDead();
+
+    private IsDead _isPlayerDead;
+    
+    public void Init(Node3D head, Camera3D cam, IsDead isDeadFunc)
+    {
+        Input.SetMouseMode(Input.MouseModeEnum.Captured);
+        
+        _head = head;
+        _camera = cam;
+        _isPlayerDead = isDeadFunc;
+    }
+
+    public override void _UnhandledInput(InputEvent @event)
+    {
+        if (_isPlayerDead())
+        {
+            return;
+        }
+        
+        if (@event is InputEventMouseMotion eventMouseMotion)
+        {
+            // Horizontal movement of head
+            float angleForHorizontalRotation = -eventMouseMotion.Relative.X * Sensitivity;
+            _head.RotateY(angleForHorizontalRotation);
+
+            // Vertical movement of head
+            Vector3 currentCameraRotation = _camera.Rotation;
+            currentCameraRotation.X += Convert.ToSingle(-eventMouseMotion.Relative.Y * Sensitivity);
+            currentCameraRotation.X = Mathf.Clamp(currentCameraRotation.X, Mathf.DegToRad(-90f), Mathf.DegToRad(90f));
+
+            _camera.Rotation = currentCameraRotation;				
+        }
+    }
+}