439 lines
12 KiB
C#
439 lines
12 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using ColdMint.scripts.map.events;
|
||
|
||
namespace ColdMint.scripts.inventory;
|
||
|
||
/// <summary>
|
||
/// <para>UniversalItemContainer</para>
|
||
/// <para>通用的物品容器</para>
|
||
/// </summary>
|
||
public class UniversalItemContainer(int totalCapacity) : IItemContainer
|
||
{
|
||
private readonly Dictionary<int, IItem> _itemDictionary = [];
|
||
|
||
/// <summary>
|
||
/// <para>UnknownIndex</para>
|
||
/// <para>未知位置</para>
|
||
/// </summary>
|
||
private const int UnknownIndex = -1;
|
||
|
||
//_selectIndex defaults to 0.
|
||
//_selectIndex默认为0.
|
||
private int _selectIndex;
|
||
|
||
/// <summary>
|
||
/// <para>The next available index</para>
|
||
/// <para>下个可用的索引</para>
|
||
/// </summary>
|
||
/// <remarks>
|
||
///<para>For example, the variable [1,2,3,5,6] represents 4, or the variable [1,2,3,4,5,6,7] represents 8.</para>
|
||
///<para>例如[1,2,3,5,6]这个变量表示4，再或者[1,2,3,4,5,6,7]这个变量表示8。</para>
|
||
/// </remarks>
|
||
private int _nextAvailableIndex;
|
||
|
||
public Action<SelectedItemChangeEvent>? SelectedItemChangeEvent { get; set; }
|
||
public Action<ItemDataChangeEvent>? ItemDataChangeEvent { get; set; }
|
||
|
||
public bool CanAddItem(IItem item)
|
||
{
|
||
if (item.SelfItemContainer != null && !CanContainContainer)
|
||
{
|
||
//The item to be added can hold other items, and this item container does not allow item containers.
|
||
//要添加的物品能够容纳其他物品，且此物品容器不允许放置物品容器。
|
||
return false;
|
||
}
|
||
//If the capacity is not full, directly return to add items
|
||
//如果未占满容量，直接返回可添加物品
|
||
if (GetUsedCapacity() < totalCapacity)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
if (item.MaxQuantity == 1)
|
||
{
|
||
//New items do not support overlay, capacity is full, return cannot add.
|
||
//新物品不支持叠加，容量已满，返回不能添加。
|
||
return false;
|
||
}
|
||
|
||
//If the capacity is full, we calculate whether we can spread the new items evenly among the existing items.
|
||
//如果容量占满了，我们计算是否能将新物品均摊在已有的物品内。
|
||
var unallocatedQuantity = item.Quantity;
|
||
foreach (var unitItem in _itemDictionary.Values)
|
||
{
|
||
var number = unitItem.MergeableItemCount(item, unallocatedQuantity);
|
||
if (number == 0)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
unallocatedQuantity -= number;
|
||
if (unallocatedQuantity < 1)
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return unallocatedQuantity < 1;
|
||
}
|
||
|
||
private void UpdateSelectStatus(int index, IItem item)
|
||
{
|
||
item.IsSelect = index == _selectIndex;
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Update the next available index location</para>
|
||
/// <para>更新下个可用的索引位置</para>
|
||
/// </summary>
|
||
private void UpdateNextAvailableIndex()
|
||
{
|
||
_nextAvailableIndex = UnknownIndex;
|
||
if (totalCapacity <= 0)
|
||
{
|
||
return;
|
||
}
|
||
for (var i = 0; i < totalCapacity; i++)
|
||
{
|
||
var contains = _itemDictionary.ContainsKey(i);
|
||
if (!contains)
|
||
{
|
||
_nextAvailableIndex = i;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
public int AddItem(IItem item)
|
||
{
|
||
if (item.MaxQuantity == 1)
|
||
{
|
||
if (_nextAvailableIndex == UnknownIndex)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
var nextAvailableIndex = _nextAvailableIndex;
|
||
_itemDictionary[nextAvailableIndex] = item;
|
||
item.Index = nextAvailableIndex;
|
||
item.ItemContainer = this;
|
||
if (nextAvailableIndex != _selectIndex)
|
||
{
|
||
item.HideSelf();
|
||
}
|
||
UpdateNextAvailableIndex();
|
||
UpdateSelectStatus(nextAvailableIndex, item);
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = item,
|
||
NewIndex = nextAvailableIndex,
|
||
Type = Config.ItemDataChangeEventType.QuantityAdded
|
||
});
|
||
return item.Quantity;
|
||
}
|
||
|
||
//There can be more than one item, try to share equally.
|
||
//物品可有多个，尝试均摊。
|
||
var originalQuantity = item.Quantity;
|
||
var temporarilyQuantity = item.Quantity;
|
||
var index = 0;
|
||
foreach (var unitItem in _itemDictionary.Values)
|
||
{
|
||
var number = unitItem.MergeableItemCount(item, temporarilyQuantity);
|
||
if (number == 0)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
temporarilyQuantity -= number;
|
||
unitItem.Quantity += number;
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = unitItem,
|
||
NewIndex = index,
|
||
Type = Config.ItemDataChangeEventType.QuantityAdded
|
||
});
|
||
if (item.Quantity < 1)
|
||
{
|
||
//New items are fully shared.
|
||
//新物品完全被均摊。
|
||
item.HideSelf();
|
||
return originalQuantity;
|
||
}
|
||
|
||
index++;
|
||
}
|
||
|
||
//New items have some left over.
|
||
//新物品有一些剩余。
|
||
if (GetUsedCapacity() >= totalCapacity)
|
||
{
|
||
//The capacity is full. The remaining capacity cannot be stored.
|
||
//容量已满，无法存放剩余。
|
||
return originalQuantity - temporarilyQuantity;
|
||
}
|
||
|
||
//Add the rest to the container.
|
||
//添加剩余到容器内。
|
||
if (_nextAvailableIndex == UnknownIndex)
|
||
{
|
||
return 0;
|
||
}
|
||
var finalNextAvailableIndex = _nextAvailableIndex;
|
||
_itemDictionary[finalNextAvailableIndex] = item;
|
||
item.Index = finalNextAvailableIndex;
|
||
item.ItemContainer = this;
|
||
if (finalNextAvailableIndex != _selectIndex)
|
||
{
|
||
item.HideSelf();
|
||
}
|
||
UpdateNextAvailableIndex();
|
||
UpdateSelectStatus(finalNextAvailableIndex, item);
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = item,
|
||
NewIndex = finalNextAvailableIndex,
|
||
Type = Config.ItemDataChangeEventType.Add
|
||
});
|
||
return originalQuantity;
|
||
}
|
||
|
||
public bool SupportSelect { get; set; }
|
||
public bool CanContainContainer { get; set; }
|
||
|
||
|
||
public IItem GetPlaceHolderItem(int index)
|
||
{
|
||
var placeholderItem = new PlaceholderItem
|
||
{
|
||
Index = index,
|
||
ItemContainer = this
|
||
};
|
||
return placeholderItem;
|
||
}
|
||
|
||
public int GetSelectIndex()
|
||
{
|
||
return _selectIndex;
|
||
}
|
||
|
||
public IItem? GetSelectItem()
|
||
{
|
||
return _itemDictionary.TryGetValue(_selectIndex, out var item) ? item : null;
|
||
}
|
||
|
||
public IItem? GetItem(int index)
|
||
{
|
||
return _itemDictionary.TryGetValue(index, out var item) ? item : null;
|
||
}
|
||
|
||
public bool ReplaceItem(int index, IItem item)
|
||
{
|
||
var oldItem = GetItem(index);
|
||
_itemDictionary[index] = item;
|
||
item.Index = index;
|
||
item.ItemContainer = this;
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = item,
|
||
NewIndex = index,
|
||
OldIndex = index,
|
||
OldItem = oldItem,
|
||
Type = Config.ItemDataChangeEventType.Replace
|
||
});
|
||
return true;
|
||
}
|
||
|
||
public bool CanReplaceItem(int index, IItem item)
|
||
{
|
||
if (item.SelfItemContainer != null && !CanContainContainer)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
public bool ClearItem(int index)
|
||
{
|
||
if (!_itemDictionary.TryGetValue(index, out var item))
|
||
{
|
||
return false;
|
||
}
|
||
var result = _itemDictionary.Remove(index);
|
||
if (result)
|
||
{
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = null,
|
||
NewIndex = index,
|
||
OldIndex = index,
|
||
OldItem = null,
|
||
Type = Config.ItemDataChangeEventType.Clear
|
||
});
|
||
if (SupportSelect && index == _selectIndex)
|
||
{
|
||
item.HideSelf();
|
||
SelectedItemChangeEvent?.Invoke(new SelectedItemChangeEvent()
|
||
{
|
||
NewIndex = index,
|
||
OldIndex = index,
|
||
NewItem = null,
|
||
OldItem = null
|
||
});
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
|
||
public int RemoveSelectItem(int number)
|
||
{
|
||
return RemoveItem(_selectIndex, number);
|
||
}
|
||
|
||
public int RemoveItem(int itemIndex, int number)
|
||
{
|
||
if (number == 0)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
if (!_itemDictionary.TryGetValue(itemIndex, out var item))
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
var originalQuantity = item.Quantity;
|
||
if (number < 0)
|
||
{
|
||
//If the number entered is less than 0, all items are removed.
|
||
//输入的数量小于0,则移除全部物品。
|
||
item.Quantity = 0;
|
||
_itemDictionary.Remove(itemIndex);
|
||
UpdateNextAvailableIndex();
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = item,
|
||
NewIndex = itemIndex,
|
||
Type = Config.ItemDataChangeEventType.Remove
|
||
});
|
||
return originalQuantity;
|
||
}
|
||
|
||
var removed = Math.Min(number, item.Quantity);
|
||
item.Quantity -= removed;
|
||
if (item.Quantity < 1)
|
||
{
|
||
_itemDictionary.Remove(itemIndex);
|
||
UpdateNextAvailableIndex();
|
||
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
|
||
{
|
||
NewItem = item,
|
||
NewIndex = itemIndex,
|
||
Type = Config.ItemDataChangeEventType.Remove
|
||
});
|
||
}
|
||
|
||
return removed;
|
||
}
|
||
|
||
public int GetUsedCapacity()
|
||
{
|
||
return _itemDictionary.Count;
|
||
}
|
||
|
||
public int GetTotalCapacity()
|
||
{
|
||
return totalCapacity;
|
||
}
|
||
|
||
|
||
public void SelectNextItem()
|
||
{
|
||
var count = totalCapacity;
|
||
if (count == 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var oldSelectIndex = _selectIndex;
|
||
var newSelectIndex = _selectIndex + 1;
|
||
if (newSelectIndex >= count)
|
||
{
|
||
newSelectIndex = 0;
|
||
}
|
||
|
||
PrivateSelectItem(oldSelectIndex, newSelectIndex);
|
||
}
|
||
|
||
public void SelectPreviousItem()
|
||
{
|
||
var count = totalCapacity;
|
||
if (count == 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var oldSelectIndex = _selectIndex;
|
||
var newSelectIndex = _selectIndex - 1;
|
||
if (newSelectIndex < 0)
|
||
{
|
||
newSelectIndex = count - 1;
|
||
}
|
||
|
||
PrivateSelectItem(oldSelectIndex, newSelectIndex);
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Private methods for selecting items</para>
|
||
/// <para>选择物品的私有方法</para>
|
||
/// </summary>
|
||
/// <param name="oldIndex"></param>
|
||
/// <param name="newIndex"></param>
|
||
private void PrivateSelectItem(int oldIndex, int newIndex)
|
||
{
|
||
if (!SupportSelect || oldIndex == newIndex)
|
||
{
|
||
return;
|
||
}
|
||
|
||
//There is no need to broadcast placeholders when an event is invoked.
|
||
//在调用事件时，无需广播占位符。
|
||
var oldItem = GetItem(oldIndex);
|
||
if (oldItem != null)
|
||
{
|
||
oldItem.HideSelf();
|
||
oldItem.IsSelect = false;
|
||
}
|
||
|
||
//There is no need to broadcast placeholders when an event is invoked.
|
||
//在调用事件时，无需广播占位符。
|
||
var newItem = GetItem(newIndex);
|
||
if (newItem != null)
|
||
{
|
||
newItem.ShowSelf();
|
||
newItem.IsSelect = true;
|
||
}
|
||
|
||
_selectIndex = newIndex;
|
||
SelectedItemChangeEvent?.Invoke(new SelectedItemChangeEvent
|
||
{
|
||
NewIndex = newIndex,
|
||
OldIndex = oldIndex,
|
||
NewItem = newItem,
|
||
OldItem = oldItem
|
||
});
|
||
}
|
||
|
||
|
||
public void SelectItem(int index)
|
||
{
|
||
if (totalCapacity == 0 || index < 0)
|
||
{
|
||
return;
|
||
}
|
||
PrivateSelectItem(_selectIndex, index % totalCapacity);
|
||
}
|
||
} |