/*组合背包物品的方法*/
public void MergeItem(int _form_item_index, int _to_item_index)
{
if (PlayerKnapsack[_form_item_index].inside_item_data.item_id == PlayerKnapsack[_to_item_index].inside_item_data.item_id)
{
//如果两个交换的物品是同一个ID，那么就处理数量
int TotalQuantity = PlayerKnapsack[_form_item_index].inside_item_quantity + PlayerKnapsack[_to_item_index].inside_item_quantity;
if (TotalQuantity > PlayerKnapsack[_form_item_index].inside_item_data.item_stackable_limit)
{
PlayerKnapsack[_to_item_index].inside_item_quantity = PlayerKnapsack[_form_item_index].inside_item_data.item_stackable_limit;
PlayerKnapsack[_form_item_index].inside_item_quantity = TotalQuantity - PlayerKnapsack[_form_item_index].inside_item_data.item_stackable_limit;
}
else
{
PlayerKnapsack[_to_item_index].inside_item_quantity = TotalQuantity;
PlayerKnapsack.RemoveAt(_form_item_index);
}
}
else
{
//否则就交换它们的位置
ItemInKnapsack t_item = PlayerKnapsack[_form_item_index];
PlayerKnapsack[_form_item_index] = PlayerKnapsack[_to_item_index];
PlayerKnapsack[_to_item_index] = t_item;
}
}
}; //物品ID 在背包中的索引
/*添加物品到背包的方法 需要传进物品数据和物品数量*/
public void AddItem(ItemBaseClass _data, int _quantity = 1) //_quantity=时没有传入参数，就按照1继续进行
{
if (KnapsackIndex.ContainsKey(_data.item_id) != true) //当背包中没有该物品时，新建一个空的用来装
{
ItemInKnapsack t_new_null_item = new ItemInKnapsack
{
inside_item_data = _data,
inside_item_quantity = 0
};
PlayerKnapsack.Add(t_new_null_item);
KnapsackIndex[_data.item_id] = PlayerKnapsack.Count - 1;
}
while (true)
{
int number_can_add = _data.item_stackable_limit - PlayerKnapsack[KnapsackIndex[_data.item_id]].inside_item_quantity;
PlayerKnapsack[KnapsackIndex[_data.item_id]].inside_item_quantity += Math.Min(_quantity, number_can_add);
_quantity -= number_can_add;
if (_quantity > 0)
{
ItemInKnapsack t_new_null_item = new ItemInKnapsack
{
inside_item_data = _data,
inside_item_quantity = 0
};
PlayerKnapsack.Add(t_new_null_item);
KnapsackIndex[_data.item_id] = PlayerKnapsack.Count - 1;
}
else
{
break;
}
}
}
/*拆分背包物品的方法*/
public void SplitItem(int _item_index_in_list, int _split_number)
{
if (_split_number < PlayerKnapsack[_item_index_in_list].inside_item_quantity)
{
//先把原本的数量减去拆分的数量
PlayerKnapsack[_item_index_in_list].inside_item_quantity -= _split_number;
//然后新建一个拆分数量的物品丢到背包里
ItemInKnapsack t_new_item = new ItemInKnapsack
{
inside_item_data = PlayerKnapsack[_item_index_in_list].inside_item_data,
inside_item_quantity = _split_number
};
PlayerKnapsack.Add(t_new_item); //将其添加至背包中
}
else
{
return;
}
}