Fixed all the bugs that prevented the game from working, added static item registration on startup

阻碍游戏运行的bug已尽数修复，添加启动时的静态物品注册

locals/Weapon.csv

@@ -1,3 +1,3 @@
 id,zh,en,ja
-staff_of_the_undead,死灵法杖,StaffOfTheUndead,ネクロポリスの杖です
-staff_of_the_undead_desc,发射诅咒，可将敌人转化为邪恶的怪物。,Cast a curse that transforms enemies into evil monsters.,呪いを発射して、敵を邪悪な怪物に変えることができます。
+item_staff_of_the_undead,死灵法杖,StaffOfTheUndead,ネクロポリスの杖です
+item_staff_of_the_undead_desc,发射诅咒，可将敌人转化为邪恶的怪物。,Cast a curse that transforms enemies into evil monsters.,呪いを発射して、敵を邪悪な怪物に変えることができます。

scripts/character/CharacterTemplate.cs

@@ -122,7 +122,7 @@ public partial class CharacterTemplate : CharacterBody2D
     /// </summary>
     protected List<Node>? PickingRangeBodiesList;
 
-    public Node[] PickingRangeBodies => PickingRangeBodiesList?.ToArray() ?? Array.Empty<Node>();
+    public Node[] PickingRangeBodies => PickingRangeBodiesList?.ToArray() ?? [];
 
     /// <summary>
     /// <para>Resurrected character</para>
@@ -401,7 +401,7 @@ public partial class CharacterTemplate : CharacterBody2D
                 {
                     if (targetCamp.Id == playerCamp.Id)
                     {
-                        //If an attack is allowed and you are on the same side, it is displayed as a friendly color (friend damage).
+                        //If an attack is allowed, and you are on the same side, it is displayed as a friendly color (friend damage).
                         //如果允许攻击，且属于同一阵营，则显示为友好颜色（友伤）
                         _healthBar.SetFriendlyTones();
                     }
@@ -537,7 +537,7 @@ public partial class CharacterTemplate : CharacterBody2D
     /// <param name="node"></param>
     protected virtual void EnterThePickingRangeBody(Node node)
     {
-        if (node is not IItem_New item)
+        if (node is not IItem_New)
         {
             return;
         }
@@ -655,19 +655,16 @@ public partial class CharacterTemplate : CharacterBody2D
     ///  <para>Throw item</para>
     ///  <para>抛出物品</para>
     ///  </summary>
-    /// <param name="index">
-    ///<para>Item slot index in item container</para>
-    ///<para>物品容器内的物品槽位置</para>
-    /// </param>
+    ///  <param name="itemSlotNode"></param>
     ///  <param name="velocity">
     /// <para>The speed to be applied to the item</para>
     /// <para>要施加到物品上的速度</para>
     ///  </param>
-    protected void ThrowOneItem(ItemSlotNode itemSlotNode, Vector2 velocity)
+    private void ThrowOneItem(ItemSlotNode itemSlotNode, Vector2 velocity)
     {
         //Pick an item from the item container
         //从物品容器内取出一个物品
-        var item = itemSlotNode?.PickItem();
+        var item = itemSlotNode.PickItem();
 
         if (item is not Node2D node2D)
         {

scripts/inventory/ItemSlotNode.cs

@@ -62,8 +62,8 @@ public partial class ItemSlotNode : MarginContainer
         if (_itemStack is null) return null;
 
         var result = _itemStack.PickItem();
-        if (_itemStack.Quantity == 0) ClearSlot();
-        else UpdateAllDisplay();
+        if (_itemStack.Quantity == 0) _itemStack = null;
+        UpdateAllDisplay();
 
         return result;
     }
@@ -82,8 +82,8 @@ public partial class ItemSlotNode : MarginContainer
         if (_itemStack is null) return null;
 
         var result = _itemStack.PickItems(value);
-        if (_itemStack.Quantity == 0) ClearSlot();
-        else UpdateAllDisplay();
+        if (_itemStack.Quantity == 0) _itemStack = null;
+        UpdateAllDisplay();
 
         return result;
     }
@@ -114,8 +114,8 @@ public partial class ItemSlotNode : MarginContainer
         var result = _itemStack.RemoveItem(number);
         //If the specified number of items is removed, the number of items is less than or equal to 0. Then we empty the inventory.
         //如果移除指定数量的物品后，物品数量小于或等于0。那么我们清空物品栏。
-        if (_itemStack.Quantity == 0) ClearSlot();
-        else UpdateAllDisplay();
+        if (_itemStack.Quantity == 0) _itemStack = null;
+        UpdateAllDisplay();
 
         return result;
     }

scripts/inventory/UniversalItemContainer.cs

@@ -162,17 +162,17 @@ public class UniversalItemContainer : IItemContainer
 
     public ItemSlotNode? Match(IItemStack stack)
     {
-        throw new NotImplementedException();
+        return _itemSlotNodes?.FirstOrDefault(itemSlotNode => itemSlotNode.CanAddItem(stack.GetItem()!));
     }
 
     public ItemSlotNode? Match(Func<IItemStack?, bool> predicate)
     {
-        throw new NotImplementedException();
+        return _itemSlotNodes?.FirstOrDefault(node => predicate(node.GetItemStack()));
     }
 
     public IEnumerable<ItemSlotNode> MatchAll(Func<IItemStack?, bool> predicate)
     {
-        throw new NotImplementedException();
+        return from node in _itemSlotNodes where predicate(node.GetItemStack()) select node;
     }
 
 

scripts/item/IItemStack.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 
 using Godot;
 

scripts/item/ItemType.cs

@@ -4,22 +4,22 @@ using Godot;
 
 namespace ColdMint.scripts.item;
 
-public readonly struct ItemType
+public readonly struct ItemType(string id, Func<IItem_New> newItemFunc, Texture2D? icon, int maxStackQuantity)
 {
     /// <summary>
     /// <para>Item id of this type</para>
     /// </summary>
-    public string Id { get; init; }
+    public string Id { get; init; } = id;
     /// <summary>
     /// <para>A function returns a new item instance of this type</para>
     /// </summary>
-    public Func<IItem_New> NewItemFunc { get; init; }
+    public Func<IItem_New> NewItemFunc { get; init; } = newItemFunc;
     /// <summary>
     /// <para>Default icon of items of this type</para>
     /// </summary>
-    public Texture2D? Icon { get; init; }
+    public Texture2D? Icon { get; init; } = icon;
     /// <summary>
     /// <para>Max number in item stack of this type</para>
     /// </summary>
-    public int MaxStackQuantity { get; init; }
+    public int MaxStackQuantity { get; init; } = maxStackQuantity;
 }

scripts/item/ItemTypeManager.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 using ColdMint.scripts.utils;
 
@@ -10,14 +9,19 @@ namespace ColdMint.scripts.item;
 public static class ItemTypeManager
 {
     // Register items statically here
-    static ItemTypeManager() { }
+    public static void StaticRegister()
+    {
+        var staffOfTheUndeadScene = ResourceLoader.Load<PackedScene>("res://prefab/weapons/staffOfTheUndead.tscn");
+        var staffOfTheUndead = new ItemType("staff_of_the_undead", () => staffOfTheUndeadScene.Instantiate<IItem_New>(), null, 1);
+        Register(staffOfTheUndead);
+    }
 
     private static Dictionary<string, ItemType> Registry { get; } = [];
     private static Texture2D DefaultTexture { get; } = new PlaceholderTexture2D();
 
 
     /// <summary>
-    /// Register a item type.
+    /// Register an item type.
     /// Return false if the item id already exist.
     /// </summary>
     /// <returns>Whether the registration was successful.</returns>

scripts/item/SingleItemStack.cs

@@ -31,26 +31,35 @@ public class SingleItemStack(IItem_New item) : IItemStack
 
     public IItem_New? GetItem()
     {
-        throw new NotImplementedException();
+        return Quantity == 1 ? Item : null;
     }
 
     public IItem_New? PickItem()
     {
-        throw new NotImplementedException();
+        Quantity = 0;
+        return Item;
     }
 
     public IItemStack? PickItems(int value)
     {
-        throw new NotImplementedException();
+        if (value == 0) return null;
+        else
+        {
+            Quantity = 0;
+            return new SingleItemStack(Item);
+        }
     }
 
     public int RemoveItem(int number)
     {
-        throw new NotImplementedException();
+        if (number == 0) return 0;
+        Quantity = 0;
+        Item.Destroy();
+        return Math.Max(number - 1, 0);
     }
 
     public void ClearStack()
     {
-        throw new NotImplementedException();
+        RemoveItem(1);
     }
 }

scripts/loader/uiLoader/MainMenuLoader.cs

@@ -1,12 +1,15 @@
 using System;
 using System.IO;
 using System.Text;
+
 using ColdMint.scripts.camp;
 using ColdMint.scripts.deathInfo;
 using ColdMint.scripts.debug;
 using ColdMint.scripts.inventory;
+using ColdMint.scripts.item;
 using ColdMint.scripts.map;
 using ColdMint.scripts.map.roomInjectionProcessor;
+
 using Godot;
 
 namespace ColdMint.scripts.loader.uiLoader;
@@ -57,6 +60,7 @@ public partial class MainMenuLoader : UiLoaderTemplate
             testLootList.AddLootEntry(lootEntry);
             LootListManager.RegisterLootList(testLootList);
         }
+
         DeathInfoGenerator.RegisterDeathInfoHandler(new SelfDeathInfoHandler());
         MapGenerator.RegisterRoomInjectionProcessor(new ChanceRoomInjectionProcessor());
         MapGenerator.RegisterRoomInjectionProcessor(new TimeIntervalRoomInjectorProcessor());
@@ -82,6 +86,10 @@ public partial class MainMenuLoader : UiLoaderTemplate
         var aborigines = new Camp(Config.CampId.Aborigines);
         CampManager.AddCamp(aborigines);
         _gameScene = (PackedScene)GD.Load("res://scenes/game.tscn");
+
+        //Temp: Register ItemType
+        //临时：注册物品类型
+        ItemTypeManager.StaticRegister();
     }
 
     public override void InitializeUi()