fix чать инвенторя

Assets/Inventory/Scripts/WorldItem.cs

@@ -0,0 +1,78 @@
+using UnityEngine;
+
+/// <summary>
+/// Предмет в мире — подбирается только по нажатию кнопки E (через charecter.cs).
+/// Авто-подбор при касании намеренно убран.
+/// </summary>
+public class WorldItem : MonoBehaviour
+{
+    public ItemData itemData;
+    public int amount = 1;
+
+    [Header("Pickup")]
+    public float pickupDelay = 0f;
+    public float interactRange = 2.5f;
+
+    private bool _canPickup;
+
+    public void Setup(ItemData data, int count)
+    {
+        itemData = data;
+        amount   = count;
+
+        if (data.modelPrefab != null)
+        {
+            var model = Instantiate(data.modelPrefab, transform);
+            model.transform.localPosition = Vector3.zero;
+        }
+
+        if (pickupDelay > 0)
+            Invoke(nameof(EnablePickup), pickupDelay);
+        else
+            _canPickup = true;
+    }
+
+    private void EnablePickup() => _canPickup = true;
+
+    /// <summary>
+    /// Вызывается из charecter.cs при нажатии E рядом с предметом.
+    /// </summary>
+    public bool TryPickupByButton()
+    {
+        if (!_canPickup)
+        {
+            Debug.LogWarning("[WorldItem] Cannot pickup — delay not elapsed yet");
+            return false;
+        }
+        if (itemData == null)
+        {
+            Debug.LogWarning("[WorldItem] itemData is null!");
+            return false;
+        }
+        if (InventoryManager.Instance == null)
+        {
+            Debug.LogWarning("[WorldItem] InventoryManager.Instance is null!");
+            return false;
+        }
+
+        int remaining = InventoryManager.Instance.AddItem(itemData, amount);
+        if (remaining <= 0)
+        {
+            Destroy(gameObject);
+            return true;
+        }
+
+        amount = remaining;
+        return false;
+    }
+
+    /// <summary>
+    /// Выбросить предмет с физической силой.
+    /// </summary>
+    public void Throw(Vector3 velocity)
+    {
+        var rb = GetComponent<Rigidbody>();
+        if (rb == null) rb = gameObject.AddComponent<Rigidbody>();
+        rb.linearVelocity = velocity;
+    }
+}