Initial commit

Assets/Scripts/PlayerController.cs

@@ -0,0 +1,127 @@
+using UnityEngine;
+using UnityEngine.InputSystem; 
+
+public class PlayerController : MonoBehaviour
+{
+    [Header("Movement")]
+    public float moveSpeed = 5f;
+    public float mouseSensitivity = 15f; 
+
+    [Header("Interaction")]
+    public float interactionDistance = 3f;
+    public LayerMask interactionLayer;
+
+    private CharacterController controller;
+    private Transform cameraTransform;
+    private float verticalRotation = 0f;
+    
+    // Reference to the generated C# class
+    private InputSystem_Actions inputActions;
+    private Vector2 moveInput;
+    private Vector2 lookInput;
+
+    void Awake()
+    {
+        // If this line is red, you haven't clicked "Apply" -> "Generate C# Class" 
+        // in the Input Actions Inspector yet.
+        inputActions = new InputSystem_Actions();
+        
+        controller = GetComponent<CharacterController>();
+        cameraTransform = Camera.main.transform;
+        
+        // Lock cursor
+        Cursor.lockState = CursorLockMode.Locked;
+        Cursor.visible = false;
+
+        // Register Inputs
+        inputActions.Player.Move.performed += ctx => moveInput = ctx.ReadValue<Vector2>();
+        inputActions.Player.Move.canceled += ctx => moveInput = Vector2.zero;
+
+        inputActions.Player.Look.performed += ctx => lookInput = ctx.ReadValue<Vector2>();
+        inputActions.Player.Look.canceled += ctx => lookInput = Vector2.zero;
+
+        inputActions.Player.Interact.performed += ctx => TryInteract();
+    }
+
+    void OnEnable()
+    {
+        if(inputActions != null) inputActions.Enable();
+    }
+
+    void OnDisable()
+    {
+        if(inputActions != null) inputActions.Disable();
+    }
+
+    void Update()
+    {
+        HandleMovement();
+        HandleLook();
+        HandleInteractionUI();
+    }
+    void HandleInteractionUI()
+    {
+        Ray ray = new Ray(cameraTransform.position, cameraTransform.forward);
+        RaycastHit hit;
+
+        // Check if we are looking at something interactable
+        if (Physics.Raycast(ray, out hit, interactionDistance, interactionLayer))
+        {
+            IInteractable interactable = hit.collider.GetComponent<IInteractable>();
+            
+            if (interactable != null)
+            {
+                // Verify InteractionUI exists to avoid errors
+                if (InteractionUI.Instance != null)
+                {
+                    InteractionUI.Instance.UpdatePrompt(interactable.GetDescription());
+                }
+            }
+            else
+            {
+                // We hit something, but it's not interactable
+                 if (InteractionUI.Instance != null) InteractionUI.Instance.ClearPrompt();
+            }
+        }
+        else
+        {
+            // We aren't looking at anything
+            if (InteractionUI.Instance != null) InteractionUI.Instance.ClearPrompt();
+        }
+    }
+
+    void HandleMovement()
+    {
+        Vector3 move = transform.right * moveInput.x + transform.forward * moveInput.y;
+        controller.Move(move * moveSpeed * Time.deltaTime);
+    }
+
+    void HandleLook()
+    {
+        float mouseX = lookInput.x * mouseSensitivity * Time.deltaTime;
+        float mouseY = lookInput.y * mouseSensitivity * Time.deltaTime;
+
+        verticalRotation -= mouseY;
+        verticalRotation = Mathf.Clamp(verticalRotation, -90f, 90f);
+
+        cameraTransform.localRotation = Quaternion.Euler(verticalRotation, 0f, 0f);
+        transform.Rotate(Vector3.up * mouseX);
+    }
+
+    void TryInteract()
+    {
+        Ray ray = new Ray(cameraTransform.position, cameraTransform.forward);
+        RaycastHit hit;
+
+        // This is likely where the error was. 
+        // We use 4 arguments: Ray, HitInfo, Distance, LayerMask
+        if (Physics.Raycast(ray, out hit, interactionDistance, interactionLayer))
+        {
+            IInteractable interactable = hit.collider.GetComponent<IInteractable>();
+            if (interactable != null)
+            {
+                interactable.Interact();
+            }
+        }
+    }
+}