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190 lines
7.8 KiB
ReStructuredText
190 lines
7.8 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/4.4/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/4.4/doc/classes/ResourceUID.xml.
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.. _class_ResourceUID:
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ResourceUID
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===========
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**继承：** :ref:`Object<class_Object>`
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管理项目中所有资源的唯一标识符的单例。
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.. rst-class:: classref-introduction-group
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描述
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----
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资源 UID（Unique IDentifier，唯一标识符）可以使引擎保持资源之间引用关系的完整性，即使文件发生重命名或移动。可以使用 ``uid://`` 访问。
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\ **ResourceUID** 能够跟踪项目中所有已注册的资源 UID，生成新的 UID，也能够将标识符在字符串表示和整数表示之间进行转换。
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.. rst-class:: classref-reftable-group
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方法
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----
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.. table::
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:widths: auto
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`add_id<class_ResourceUID_method_add_id>`\ (\ id\: :ref:`int<class_int>`, path\: :ref:`String<class_String>`\ ) |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`create_id<class_ResourceUID_method_create_id>`\ (\ ) |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| :ref:`String<class_String>` | :ref:`get_id_path<class_ResourceUID_method_get_id_path>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_id<class_ResourceUID_method_has_id>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| :ref:`String<class_String>` | :ref:`id_to_text<class_ResourceUID_method_id_to_text>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`remove_id<class_ResourceUID_method_remove_id>`\ (\ id\: :ref:`int<class_int>`\ ) |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_id<class_ResourceUID_method_set_id>`\ (\ id\: :ref:`int<class_int>`, path\: :ref:`String<class_String>`\ ) |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`text_to_id<class_ResourceUID_method_text_to_id>`\ (\ text_id\: :ref:`String<class_String>`\ ) |const| |
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+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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常量
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----
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.. _class_ResourceUID_constant_INVALID_ID:
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.. rst-class:: classref-constant
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**INVALID_ID** = ``-1`` :ref:`🔗<class_ResourceUID_constant_INVALID_ID>`
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用于无效 UID 的值，例如无法加载的资源。
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对应的文本表示为 ``uid://<invalid>``\ 。
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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方法说明
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--------
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.. _class_ResourceUID_method_add_id:
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.. rst-class:: classref-method
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|void| **add_id**\ (\ id\: :ref:`int<class_int>`, path\: :ref:`String<class_String>`\ ) :ref:`🔗<class_ResourceUID_method_add_id>`
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添加一个新的 UID 值，将其映射到给定的资源路径。
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如果 UID 已经存在，则会返回错误，因此请务必先使用 :ref:`has_id()<class_ResourceUID_method_has_id>` 进行检查，或者改用 :ref:`set_id()<class_ResourceUID_method_set_id>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_create_id:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **create_id**\ (\ ) :ref:`🔗<class_ResourceUID_method_create_id>`
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生成随机的资源 UID，该 UID 在当前加载的 UID 列表中保证唯一。
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要注册这个 UID，你必须调用 :ref:`add_id()<class_ResourceUID_method_add_id>` 或 :ref:`set_id()<class_ResourceUID_method_set_id>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_get_id_path:
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.. rst-class:: classref-method
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:ref:`String<class_String>` **get_id_path**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_ResourceUID_method_get_id_path>`
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返回给定 UID 值引用的路径。
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如果 UID 不存在则失败并报错，因此请务必使用 :ref:`has_id()<class_ResourceUID_method_has_id>` 事先检查。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_has_id:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_id**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_ResourceUID_method_has_id>`
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返回给定的 UID 值是否为缓存所知。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_id_to_text:
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.. rst-class:: classref-method
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:ref:`String<class_String>` **id_to_text**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_ResourceUID_method_id_to_text>`
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将给定的 UID 转换为 ``uid://`` 字符串值。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_remove_id:
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.. rst-class:: classref-method
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|void| **remove_id**\ (\ id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_ResourceUID_method_remove_id>`
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从缓存中删除一个已加载的 UID 值。
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如果 UID 不存在则失败并报错，因此请务必提前使用 :ref:`has_id()<class_ResourceUID_method_has_id>` 检查。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_set_id:
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.. rst-class:: classref-method
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|void| **set_id**\ (\ id\: :ref:`int<class_int>`, path\: :ref:`String<class_String>`\ ) :ref:`🔗<class_ResourceUID_method_set_id>`
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更新现有 UID 的资源路径。
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如果 UID 不存在，则失败并出现错误，因此请务必提前使用 :ref:`has_id()<class_ResourceUID_method_has_id>` 检查，或者改用 :ref:`add_id()<class_ResourceUID_method_add_id>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ResourceUID_method_text_to_id:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **text_to_id**\ (\ text_id\: :ref:`String<class_String>`\ ) |const| :ref:`🔗<class_ResourceUID_method_text_to_id>`
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从给定的 ``uid://`` 字符串中提取 UID 值。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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