initial commit

Assets/Scripts/Inventory/Inventory.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor.Tilemaps;
+
+[Serializable]
+public class Inventory : IDataPersistence<InventoryData>
+{
+    private int capacity = 0;
+    private Dictionary<string, int> items = new Dictionary<string, int>();
+
+    public Inventory(int capacity)
+    {
+        this.capacity = capacity;
+    }
+
+    public IReadOnlyDictionary<string, int> Items => items;
+
+    public int Capacity => capacity;
+
+    public int Load => items.Sum(kvp => kvp.Value);
+
+    public int Free => Capacity < 0 ? int.MaxValue : Capacity - Load;
+
+    public override string ToString()
+    {
+        string text = string.Join(Environment.NewLine, items);
+        text += Environment.NewLine + Environment.NewLine + $"Занято {Load}";
+        if (Capacity >= 0)
+            text += $", свободно {Capacity - Load}";
+
+        return text;
+    }
+
+    public int Add(string key, int value, bool allowPartialAdd = false)
+    {
+        if (!allowPartialAdd && (Capacity >= 0) && (Capacity < Load + value))
+            return 0;
+
+        value = Math.Min(value, Free);
+
+        if (items.ContainsKey(key))
+            items[key] += value;
+        else
+            items[key] = value;
+
+        return value;
+    }
+
+    public void LoadData(InventoryData data)
+    {
+        items = data.items;
+        capacity = data.capacity;
+    }
+
+    public void SaveData(InventoryData data)
+    {
+        data.items = new SerializableDictionary<string, int>(items);
+        data.capacity = capacity;
+    }
+}

Assets/Scripts/Inventory/Inventory.cs.meta

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+fileFormatVersion: 2
+guid: ce5eba69c9106f64baa1f264b567c861

Assets/Scripts/Inventory/UIToolkitInfoPanel.cs

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+using UnityEngine;
+using UnityEngine.UIElements;
+
+public class UIToolkitInfoPanel : MonoBehaviour
+{
+    public Transform targetObject;
+    public Vector3 worldOffset = new Vector3(0, 1f, 0);
+    
+    private UIDocument uiDocument;
+    private VisualElement infoPanel;
+    private Label infoLabel;
+    private Camera mainCamera;
+    
+    void Start()
+    {
+        uiDocument = GetComponent<UIDocument>();
+        mainCamera = Camera.main;
+        
+        if (uiDocument != null)
+        {
+            infoPanel = uiDocument.rootVisualElement.Q<VisualElement>("InfoPanel");
+            infoLabel = uiDocument.rootVisualElement.Q<Label>("InfoLabel");
+        }
+    }
+    
+    void Update()
+    {
+        if (targetObject != null && infoPanel != null)
+        {
+            // Convert world position to screen space
+            Vector3 screenPos = mainCamera.WorldToScreenPoint(
+                targetObject.position + worldOffset
+            );
+            
+            // Update panel position (UI Toolkit uses top-left origin)
+            infoPanel.style.left = screenPos.x;
+            infoPanel.style.top = Screen.height - screenPos.y;
+            
+            // Update content
+            UpdateInfoContent();
+        }
+    }
+    
+    void UpdateInfoContent()
+    {
+        if (infoLabel != null)
+        {
+            infoLabel.text = $"{targetObject.name}\nPosition: {targetObject.position}";
+        }
+    }
+}

Assets/Scripts/Inventory/UIToolkitInfoPanel.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: bf6bf11968b160c47b04fbb2d137051e