initial main menu and dependencies

Assets/Code/Input/InputService.cs

@@ -0,0 +1,89 @@
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+namespace Code.Input
+{
+    public class InputService : IInputService
+    {
+        private readonly InputActionAsset _inputActionAsset;
+        
+        public Vector2 MainMenuParallax { get; private set; }
+        
+        public float MoveInput { get; private set; }
+        public bool JumpPressed { get; private set; }
+
+        public InputService(InputActionAsset inputActionAsset)
+        {
+            _inputActionAsset = inputActionAsset;
+            SetupInputCallbacks();
+        }
+
+        private void SetupInputCallbacks()
+        {
+            SetupMainMenuInputCallbacks();
+            SetupGameplayInputCallbacks();
+        }
+
+        private void SetupGameplayInputCallbacks()
+        {
+            var map = _inputActionAsset.actionMaps[(int)ActionMapping.Gameplay];
+            BindAxis(map, "Move", v => MoveInput = v);
+            BindButton(map, "Jump", v => JumpPressed = v);
+        }
+
+        private void SetupMainMenuInputCallbacks()
+        {
+            var map = _inputActionAsset.actionMaps[(int)ActionMapping.MainMenu];
+            BindVector2(map, "Parallax", v => MainMenuParallax = v);
+        }
+
+        private void BindButton(InputActionMap map, string actionName, System.Action<bool> setter)
+        {
+            var action = map.FindAction(actionName);
+
+            if (action == null)
+                return;
+
+            action.performed += _ => setter(true);
+            action.canceled += _ => setter(false);
+        }
+
+        private void BindVector2(InputActionMap map, string actionName, System.Action<Vector2> setter)
+        {
+            var action = map.FindAction(actionName);
+
+            if (action == null)
+                return;
+
+            action.performed += ctx => setter(ctx.ReadValue<Vector2>());
+            action.canceled += _ => setter(Vector2.zero);
+        }
+        
+        private void BindAxis(InputActionMap map, string actionName, System.Action<float> setter)
+        {
+            var action = map.FindAction(actionName);
+
+            if (action == null)
+                return;
+
+            action.performed += ctx => setter(ctx.ReadValue<float>());
+            action.canceled += _ => setter(0f);
+        }
+
+        public void EnableMap(ActionMapping actionMap)
+        {
+            _inputActionAsset.actionMaps[(int)actionMap].Enable();
+        }
+
+        public void DisableMap(ActionMapping actionMap)
+        {
+            _inputActionAsset.actionMaps[(int)actionMap].Disable();
+        }
+
+        public void DebugBindAction(int mapId, int actionId, System.Action<InputAction.CallbackContext> action) =>
+            _inputActionAsset.actionMaps[mapId].actions[actionId].performed += action;
+
+        public void DebugUnbindAction(int mapId, int actionId, System.Action<InputAction.CallbackContext> action) =>
+            _inputActionAsset.actionMaps[mapId].actions[actionId].performed -= action;
+    }
+}