Add initial project files and configurations for Unity setup

Assets/Scripts/Infrastructure/Unity/PlayerController.cs

@@ -0,0 +1,92 @@
+using System;
+using KBCore.Refs;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+namespace Infrastructure.Unity
+{
+    [RequireComponent(typeof(Rigidbody))]
+    public class PlayerController : MonoBehaviour
+    {
+        [Header("Movement Settings")]
+        [SerializeField]
+        private float moveSpeed = 8f;
+        [SerializeField] private float maxVelocityChange = 10f;
+        
+        [Header("Interaction")]
+        [SerializeField] private LayerMask tileLayer;
+        [SerializeField] private float groundCheckDistance = 1.5f;
+        
+        [Self] [SerializeField] private Rigidbody rb;
+        
+        private InputSystem_Actions _actions;
+        private Vector2 _moveInput;
+        
+        public Rigidbody Rigidbody => rb;
+
+        private void OnEnable()
+        {
+            _actions.Player.Enable();
+            
+            _actions.Player.Move.performed += OnMovePerformed;
+            _actions.Player.Move.canceled += OnMoveCanceled;
+        }
+
+        private void OnDisable()
+        {
+            _actions.Player.Move.performed -= OnMovePerformed;
+            _actions.Player.Move.canceled -= OnMoveCanceled;
+            
+            _actions.Player.Disable();
+        }
+
+        private void Awake()
+        {
+            _actions = new InputSystem_Actions();
+            
+            rb.freezeRotation = true;
+            rb.useGravity = true;
+        }
+
+        private void FixedUpdate()
+        {
+            HandleMovement();
+            DetectGround();
+        }
+
+        private void HandleMovement()
+        {
+            var targetVelocity = new Vector3(_moveInput.x, 0f, _moveInput.y) * moveSpeed;
+
+            var velocity = rb.linearVelocity;
+            var velocityChange = (targetVelocity - velocity);
+            
+            velocityChange.x = Mathf.Clamp(velocityChange.x, -maxVelocityChange, maxVelocityChange);
+            velocityChange.z = Mathf.Clamp(velocityChange.z, -maxVelocityChange, maxVelocityChange);
+            velocityChange.y = 0f;
+            
+            rb.AddForce(velocityChange, ForceMode.VelocityChange);
+        }
+
+        private void DetectGround()
+        {
+            if (Physics.Raycast(transform.position, Vector3.down, out var hit, groundCheckDistance, tileLayer))
+            {
+                if (hit.collider.TryGetComponent<TileViewAdapter>(out var tileAdapter))
+                {
+                    tileAdapter.OnPlayerStep();
+                }
+            }
+        }
+
+        private void OnMovePerformed(InputAction.CallbackContext ctx)
+        {
+            _moveInput = ctx.ReadValue<Vector2>();
+        }
+
+        private void OnMoveCanceled(InputAction.CallbackContext ctx)
+        {
+            _moveInput = Vector2.zero;
+        }
+    }
+}