79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
using System;
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using Godot;
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namespace ColdMint.scripts.item.itemStacks;
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/// <summary>
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/// <para>ItemStack for <see cref="Packsack"/> item. Can add items into pack by stack them to this stack.</para>
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/// <para>用于<see cref="Packsack"/>物品的堆栈。可以将物品堆叠到此堆栈中，从而将物品添加到背包中。</para>
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/// </summary>
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/// <param name="packsack"></param>
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public class PacksackStack(Packsack packsack) : IItemStack
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{
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public int MaxQuantity => 1;
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public int Quantity => 1;
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public bool Empty { get; private set; }
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public Texture2D Icon => packsack.Icon;
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public string Name => packsack.Name;
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public string? Description => packsack.Description;
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//todo: 只拒绝是背包的物品是权宜之计，应该为物品加入一个“是否可以放入背包”的属性来实现这个判断。
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public bool CanAddItem(IItem item)
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{
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if (item is Packsack) return false;
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return packsack.ItemContainer?.CanAddItem(item) ?? false;
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}
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public bool AddItem(IItem item)
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{
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if (item is Packsack) return false;
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return packsack.ItemContainer?.AddItem(item) ?? false;
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}
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public int CanTakeFrom(IItemStack itemStack)
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{
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if (itemStack.GetItem() is Packsack) return 0;
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return packsack.ItemContainer?.CanAddItemStack(itemStack) ?? 0;
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}
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public bool TakeFrom(IItemStack itemStack)
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{
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if (itemStack.GetItem() is Packsack) return false;
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return packsack.ItemContainer?.AddItemStack(itemStack) ?? false;
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}
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public IItem? GetItem()
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{
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return Empty ? null : packsack;
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}
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public IItem? PickItem()
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{
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if (Empty) return null;
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Empty = true;
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return packsack;
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}
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public IItemStack? PickItems(int value)
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{
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if (Empty || value == 0) return null;
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Empty = true;
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return new PacksackStack(packsack);
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}
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public int RemoveItem(int number)
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{
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if (Empty || number == 0) return number;
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Empty = true;
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packsack.Destroy();
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return Math.Max(0, number - 1);
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}
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public void ClearStack()
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{
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if (Empty) return;
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packsack.Destroy();
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Empty = true;
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}
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} |