C# 在数组中传递类引用
不知何故,我无法处理一整天的简单场景:/C# 在数组中传递类引用,c#,arrays,reference,C#,Arrays,Reference,不知何故,我无法处理一整天的简单场景:/ slotTypes = new InventoryItem[] { _Player.EqiupAmulet, _Player.EqiupArmor, _Player.EqiupBelt, _Player.EqiupBoots, _Player.EqiupCloak, _Player.EqiupArmor, _Player.EqiupGauntlets, _Player.EqiupHelmet }; 这里要存储对InventoryItem公共类的引用;所
slotTypes = new InventoryItem[] { _Player.EqiupAmulet, _Player.EqiupArmor, _Player.EqiupBelt, _Player.EqiupBoots, _Player.EqiupCloak, _Player.EqiupArmor, _Player.EqiupGauntlets, _Player.EqiupHelmet };
这里要存储对InventoryItem公共类的引用;所以,每次我做这样的事情:
InventoryItem _inv = new InventoryItem();
_Player.EqiuipArmor = _inv;
slotTypes[1]和slotTypes[5]现在应该保留对_inv项的引用,但是它们没有,它们保持为空;
我觉得我在这里遗漏了一些合乎逻辑的东西,但几个小时的谷歌搜索并没有帮到我
我已经设法使用'ref'在函数中传递引用,但这并没有解决最初的问题
_Player.EqiupArmor定义为
public inventory项目EqiupArmor
内部球员等级 如果对同一对象实例有两个不同的引用,并且将其中一个引用更改为“指向”另一个实例,这并不意味着另一个引用已更改。另一个引用仍然引用原始实例 比较一下:
object a = new object();
object b = a; // a and b are references to the same object
a = "something else";
// now a and b refer different objects; b still refers the original object
如果对同一对象实例有两个不同的引用,并且将其中一个引用更改为“指向”另一个实例,这并不意味着另一个引用已更改。另一个引用仍然引用原始实例 比较一下:
object a = new object();
object b = a; // a and b are references to the same object
a = "something else";
// now a and b refer different objects; b still refers the original object
数组实际上包含对对象的引用。因此,看看您的场景中发生了什么:
\u Player.EqiuipArmor
是空引用slotTypes[0]
复制此文件并成为另一个空引用\u inv
引用对象X\u Player.EqiuipArmor
参考已更改为对象X现在
\u Player.EqiuipArmor
正在引用X,而slotTypes[0]
仍然是空引用。数组实际上包含对对象的引用。因此,看看您的场景中发生了什么:
\u Player.EqiuipArmor
是空引用slotTypes[0]
复制此文件并成为另一个空引用\u inv
引用对象X\u Player.EqiuipArmor
参考已更改为对象X现在
\u Player.EqiuipArmor
正在引用X,而slotTypes[0]
仍然是空引用。问题是数组正在存储对对象的引用。将\u Player.EqiuipArmor
指定给新对象时,它指向不同的实例,但数组中存储的引用不会更改
您可以创建一个类,该类接受Player
类并将各种属性作为数组公开:
public class InvertorySlots
{
private Player _Player;
public InventorySlots(Player player)
{
}
public InventoryItem[] GetItems()
{
return new InventoryItem[] {
_Player.EqiupAmulet,
_Player.EqiupArmor,
_Player.EqiupBelt,
_Player.EqiupBoots,
_Player.EqiupCloak,
_Player.EqiupArmor,
_Player.EqiupGauntlets,
_Player.EqiupHelmet };
}
}
问题是数组正在存储对对象的引用。将
\u Player.EqiuipArmor
指定给新对象时,它指向不同的实例,但数组中存储的引用不会更改
您可以创建一个类,该类接受Player
类并将各种属性作为数组公开:
public class InvertorySlots
{
private Player _Player;
public InventorySlots(Player player)
{
}
public InventoryItem[] GetItems()
{
return new InventoryItem[] {
_Player.EqiupAmulet,
_Player.EqiupArmor,
_Player.EqiupBelt,
_Player.EqiupBoots,
_Player.EqiupCloak,
_Player.EqiupArmor,
_Player.EqiupGauntlets,
_Player.EqiupHelmet };
}
}