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Script/UI/BagItemUI.cs

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+using Godot;
+using System;
+namespace Cosmobox
+{
+    public partial class BagItemUI : Button
+    {
+        [Export] public TextureRect icon;
+        [Export] public Label count, itemName;
+        [Export] public Control itemNamePanel;
+        [Export] public Texture2D emptyIcon;
+
+        public override void _Ready()
+        {
+            itemNamePanel.Visible = false;
+        }
+
+        public void SetItem(BagItem bagItem)
+        {
+            if (bagItem == null || bagItem.itemResource == null)
+            {
+                SetEmpty();
+                return;
+            }
+            itemName.Text = bagItem.itemResource.ItemName;
+            icon.Texture = bagItem.itemResource.Icon ?? emptyIcon;
+            count.Text = bagItem.amount > 0 ? bagItem.amount.ToString() : "空";
+        }
+
+        public void SetEmpty()
+        {
+            icon.Texture = emptyIcon;
+            count.Text = "空";
+        }
+        void _on_mouse_entered()
+        {
+            itemNamePanel.Visible = true;
+            // GD.Print("鼠标进入");
+        }
+        void _on_mouse_exited()
+        {
+            itemNamePanel.Visible = false;
+        }
+    }
+
+}

Script/UI/BagItemUI.cs.uid

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+uid://cc7chrmpuw4vu

Script/UI/BagUI.cs

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+using Godot;
+using System;
+namespace Cosmobox
+{
+    public partial class BagUI : Control
+    {
+        [Export] public Player player;
+        [Export] public Label text;
+        [Export] public Panel background;
+        [Export] public Control itemContainer;
+        [Export] public float animationTime = 0.5f;
+
+        [Export] public PackedScene itemUI;
+        private float animationTimeRun = 0;
+        private bool isOpen = false;
+
+        private Vector2 labelOriginalPosition;
+        private Vector2 backgroundOriginalPosition;
+
+        public bool IsOpen
+        {
+            get { return isOpen; }
+        }
+        public override void _Ready()
+        {
+            labelOriginalPosition = text.Position;
+            backgroundOriginalPosition = background.Position;
+            // animationTimeRun = 0.01f;
+            text.Position = new Vector2(text.Position.X, labelOriginalPosition.Y - text.Size.Y);
+            background.Position = new Vector2(background.Position.X, backgroundOriginalPosition.Y + (background.Size.Y + 50));
+            isOpen = false;
+
+        }
+        public override void _Process(double delta)
+        {
+            if (animationTimeRun > 0)
+            {
+                animationTimeRun -= (float)delta;
+                if (isOpen)
+                {
+                    text.Position = new Vector2(text.Position.X, labelOriginalPosition.Y - (animationTimeRun / animationTime) * text.Size.Y);
+                    background.Position = new Vector2(background.Position.X, backgroundOriginalPosition.Y + (animationTimeRun / animationTime) * (background.Size.Y + 50));
+                    if (animationTimeRun <= 0)
+                    {
+                        text.Position = labelOriginalPosition;
+                        background.Position = backgroundOriginalPosition;
+                    }
+                }
+                else
+                {
+                    text.Position = new Vector2(text.Position.X, labelOriginalPosition.Y - (1 - animationTimeRun / animationTime) * text.Size.Y);
+                    background.Position = new Vector2(background.Position.X, backgroundOriginalPosition.Y + (1 - animationTimeRun / animationTime) * (background.Size.Y + 50));
+                    if (animationTimeRun <= 0)
+                    {
+                        Visible = false;
+                    }
+                }
+            }
+
+        }
+        public void OpenBag()
+        {
+            Visible = true;
+            isOpen = true;
+            UpdateUI();
+            animationTimeRun = animationTime - animationTimeRun;
+            isOpen = true;
+        }
+        public void CloseBag()
+        {
+            isOpen = false;
+            animationTimeRun = animationTime - animationTimeRun;
+            isOpen = false;
+        }
+
+        public void UpdateUI()
+        {
+            // 清除容器中现有的所有子节点
+            foreach (Node child in itemContainer.GetChildren())
+            {
+                child.QueueFree();
+            }
+
+            var bagItems = player.bagItem.Items;
+
+            foreach (BagItem item in bagItems)
+            {
+                // 实例化新的物品UI
+                BagItemUI itemInstance = (BagItemUI)itemUI.Instantiate();
+
+                // 设置物品数据
+                itemInstance.SetItem(item);
+
+                // 将实例添加到容器中
+                itemContainer.AddChild(itemInstance);
+            }
+        }
+
+    }
+
+}

Script/UI/BagUI.cs.uid

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+uid://dry2x5otnbedt

Script/UI/DevUi.cs

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+using Godot;
+using System;
+namespace Cosmobox
+{
+    public partial class DevUi : Control
+    {
+        [Export] public Player player;
+        [Export] public Container itemDevList; // 改为Container类型更准确
+
+        public override void _Ready()
+        {
+            InitializeItemButtons();
+        }
+
+        private void InitializeItemButtons()
+        {
+            // // 清空现有按钮（如果有）
+            // foreach (Node child in itemDevList.GetChildren())
+            // {
+            //     child.QueueFree();
+            // }
+
+            // 获取所有物品
+            var items = ItemResourceManager.GetAllItems();
+
+            // 为每个物品创建按钮
+            foreach (var itemPair in items)
+            {
+                var button = new Button();
+                button.Text = $"{itemPair.Key}"; // 显示物品名称
+
+                // 绑定点击事件，使用闭包捕获当前物品名称
+                string currentItemName = itemPair.Key;
+                button.Pressed += () => OnItemButtonPressed(currentItemName);
+
+                itemDevList.AddChild(button);
+            }
+        }
+
+        private void OnItemButtonPressed(string itemName)
+        {
+            // 添加物品到背包
+            bool success = AddItem(itemName);
+
+            if (success)
+            {
+                GD.Print($"成功添加物品: {itemName}");
+            }
+            else
+            {
+                GD.PrintErr($"添加物品失败: {itemName}");
+            }
+        }
+
+        public bool AddItem(string itemName, int amount = 1)
+        {
+            var item = ItemResourceManager.GetItem(itemName);
+            if (item == null)
+            {
+                GD.PrintErr($"物品不存在: {itemName}");
+                return false;
+            }
+
+            return player.bagItem.AddItem(item, amount);
+        }
+        public bool ClearItems()
+        {
+            player.bagItem.Items.Clear();
+            return true;
+        }
+    }
+
+}

Script/UI/DevUi.cs.uid

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+uid://bpaoua3tyv5ju