MuHua-123
70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
using System;
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using System.Linq;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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/// <summary>
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/// 物品库存
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/// </summary>
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public class Inventory {
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/// <summary> 背包容量 </summary>
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public int capacity;
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/// <summary> 插槽列表 </summary>
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public List<InventorySlot> slots;
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/// <summary> 改变事件 </summary>
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public event Action<Inventory> OnChange;
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/// <summary> 物品库存 </summary>
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public Inventory(int capacity) {
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this.capacity = capacity;
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IEnumerable<int> enumerable = Enumerable.Range(0, capacity);
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slots = enumerable.Select(_ => new InventorySlot()).ToList();
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}
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/// <summary> 应用修改 </summary>
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public void Apply() => OnChange?.Invoke(this);
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/// <summary> 遍历数组 </summary>
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public void ForEach(Action<InventorySlot> action) => slots.ForEach(action);
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/// <summary> 获取一个空插槽 </summary>
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public InventorySlot Empty() => slots.FirstOrDefault(s => s.item == null);
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/// <summary> 相同堆叠插槽 </summary>
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public List<InventorySlot> Stackable(InventoryItem item) => slots.Where(slot => slot.IsStackable(item)).ToList();
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/// <summary> 添加物品 </summary>
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public void AddItem(InventoryItem item, int count) {
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// 合并重复可堆叠
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int remain = MergeToSlots(item, count);
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// 如果还有剩余，按照MaxStack分批放入空位
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if (remain > 0) { AddToSlots(item, remain, true); }
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OnChange?.Invoke(this);
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}
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/// <summary> 合并到插槽 </summary>
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public int MergeToSlots(InventoryItem item, int count) {
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// 查询所有可合并的插槽
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var sameSlots = Stackable(item);
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// 合并到已有插槽
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sameSlots.ForEach(obj => obj.Settings(ref count));
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return count;
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}
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/// <summary> 添加物品 </summary>
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public void AddToSlots(InventoryItem item, int count, bool isWhile) {
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// 取一个空插槽
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InventorySlot emptySlot = Empty();
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// 没有空插槽则退出
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if (emptySlot == null) { return; }
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// 堆叠数量 = Min（物品数量 , 最大堆叠数量）
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int addCount = Mathf.Min(count, item.stack);
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// 计算剩余物品数量
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int remain = count - addCount;
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// 填充进空插槽
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emptySlot.Settings(item, addCount);
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// 没有剩余或者不循环则退出
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if (remain == 0 || !isWhile) { return; }
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// 还有余量循环执行添加
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AddToSlots(item, remain, isWhile);
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}
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}
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