godot-docs/classes/class_script.rst

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.. _class_Script:

Script
======

**Inherits:** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

**Inherited By:** :ref:`CSharpScript<class_CSharpScript>`, :ref:`GDScript<class_GDScript>`, :ref:`ScriptExtension<class_ScriptExtension>`

A class stored as a resource.

.. rst-class:: classref-introduction-group

Description
-----------

A class stored as a resource. A script extends the functionality of all objects that instantiate it.

This is the base class for all scripts and should not be used directly. Trying to create a new script with this class will result in an error.

The ``new`` method of a script subclass creates a new instance. :ref:`Object.set_script<class_Object_method_set_script>` extends an existing object, if that object's class matches one of the script's base classes.

.. rst-class:: classref-introduction-group

Tutorials
---------

- :doc:`Scripting documentation index <../tutorials/scripting/index>`

.. rst-class:: classref-reftable-group

Properties
----------

.. table::
   :widths: auto

   +-----------------------------+-------------------------------------------------------+
   | :ref:`String<class_String>` | :ref:`source_code<class_Script_property_source_code>` |
   +-----------------------------+-------------------------------------------------------+

.. rst-class:: classref-reftable-group

Methods
-------

.. table::
   :widths: auto

   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`can_instantiate<class_Script_method_can_instantiate>`\ (\ ) |const|                                                               |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Script<class_Script>`                                      | :ref:`get_base_script<class_Script_method_get_base_script>`\ (\ ) |const|                                                               |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`StringName<class_StringName>`                              | :ref:`get_global_name<class_Script_method_get_global_name>`\ (\ ) |const|                                                               |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`StringName<class_StringName>`                              | :ref:`get_instance_base_type<class_Script_method_get_instance_base_type>`\ (\ ) |const|                                                 |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Variant<class_Variant>`                                    | :ref:`get_property_default_value<class_Script_method_get_property_default_value>`\ (\ property\: :ref:`StringName<class_StringName>`\ ) |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Dictionary<class_Dictionary>`                              | :ref:`get_script_constant_map<class_Script_method_get_script_constant_map>`\ (\ )                                                       |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`get_script_method_list<class_Script_method_get_script_method_list>`\ (\ )                                                         |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`get_script_property_list<class_Script_method_get_script_property_list>`\ (\ )                                                     |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`get_script_signal_list<class_Script_method_get_script_signal_list>`\ (\ )                                                         |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`has_script_signal<class_Script_method_has_script_signal>`\ (\ signal_name\: :ref:`StringName<class_StringName>`\ ) |const|        |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`has_source_code<class_Script_method_has_source_code>`\ (\ ) |const|                                                               |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`instance_has<class_Script_method_instance_has>`\ (\ base_object\: :ref:`Object<class_Object>`\ ) |const|                          |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`is_abstract<class_Script_method_is_abstract>`\ (\ ) |const|                                                                       |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                                          | :ref:`is_tool<class_Script_method_is_tool>`\ (\ ) |const|                                                                               |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`Error<enum_@GlobalScope_Error>`                            | :ref:`reload<class_Script_method_reload>`\ (\ keep_state\: :ref:`bool<class_bool>` = false\ )                                           |
   +------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Property Descriptions
---------------------

.. _class_Script_property_source_code:

.. rst-class:: classref-property

:ref:`String<class_String>` **source_code** :ref:`🔗<class_Script_property_source_code>`

.. rst-class:: classref-property-setget

- |void| **set_source_code**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_source_code**\ (\ )

The script source code or an empty string if source code is not available. When set, does not reload the class implementation automatically.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Method Descriptions
-------------------

.. _class_Script_method_can_instantiate:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **can_instantiate**\ (\ ) |const| :ref:`🔗<class_Script_method_can_instantiate>`

Returns ``true`` if the script can be instantiated.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_base_script:

.. rst-class:: classref-method

:ref:`Script<class_Script>` **get_base_script**\ (\ ) |const| :ref:`🔗<class_Script_method_get_base_script>`

Returns the script directly inherited by this script.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_global_name:

.. rst-class:: classref-method

:ref:`StringName<class_StringName>` **get_global_name**\ (\ ) |const| :ref:`🔗<class_Script_method_get_global_name>`

Returns the class name associated with the script, if there is one. Returns an empty string otherwise.

To give the script a global name, you can use the ``class_name`` keyword in GDScript and the ``[GlobalClass]`` attribute in C#.


.. tabs::

 .. code-tab:: gdscript

    class_name MyNode
    extends Node

 .. code-tab:: csharp

    using Godot;
    
    [GlobalClass]
    public partial class MyNode : Node
    {
    }



.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_instance_base_type:

.. rst-class:: classref-method

:ref:`StringName<class_StringName>` **get_instance_base_type**\ (\ ) |const| :ref:`🔗<class_Script_method_get_instance_base_type>`

Returns the script's base type.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_property_default_value:

.. rst-class:: classref-method

:ref:`Variant<class_Variant>` **get_property_default_value**\ (\ property\: :ref:`StringName<class_StringName>`\ ) :ref:`🔗<class_Script_method_get_property_default_value>`

Returns the default value of the specified property.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_script_constant_map:

.. rst-class:: classref-method

:ref:`Dictionary<class_Dictionary>` **get_script_constant_map**\ (\ ) :ref:`🔗<class_Script_method_get_script_constant_map>`

Returns a dictionary containing constant names and their values.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_script_method_list:

.. rst-class:: classref-method

:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **get_script_method_list**\ (\ ) :ref:`🔗<class_Script_method_get_script_method_list>`

Returns the list of methods in this **Script**.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_script_property_list:

.. rst-class:: classref-method

:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **get_script_property_list**\ (\ ) :ref:`🔗<class_Script_method_get_script_property_list>`

Returns the list of properties in this **Script**.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_get_script_signal_list:

.. rst-class:: classref-method

:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **get_script_signal_list**\ (\ ) :ref:`🔗<class_Script_method_get_script_signal_list>`

Returns the list of user signals defined in this **Script**.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_has_script_signal:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **has_script_signal**\ (\ signal_name\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_Script_method_has_script_signal>`

Returns ``true`` if the script, or a base class, defines a signal with the given name.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_has_source_code:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **has_source_code**\ (\ ) |const| :ref:`🔗<class_Script_method_has_source_code>`

Returns ``true`` if the script contains non-empty source code.

\ **Note:** If a script does not have source code, this does not mean that it is invalid or unusable. For example, a :ref:`GDScript<class_GDScript>` that was exported with binary tokenization has no source code, but still behaves as expected and could be instantiated. This can be checked with :ref:`can_instantiate<class_Script_method_can_instantiate>`.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_instance_has:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **instance_has**\ (\ base_object\: :ref:`Object<class_Object>`\ ) |const| :ref:`🔗<class_Script_method_instance_has>`

Returns ``true`` if ``base_object`` is an instance of this script.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_is_abstract:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **is_abstract**\ (\ ) |const| :ref:`🔗<class_Script_method_is_abstract>`

Returns ``true`` if the script is an abstract script. An abstract script does not have a constructor and cannot be instantiated.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_is_tool:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **is_tool**\ (\ ) |const| :ref:`🔗<class_Script_method_is_tool>`

Returns ``true`` if the script is a tool script. A tool script can run in the editor.

.. rst-class:: classref-item-separator

----

.. _class_Script_method_reload:

.. rst-class:: classref-method

:ref:`Error<enum_@GlobalScope_Error>` **reload**\ (\ keep_state\: :ref:`bool<class_bool>` = false\ ) :ref:`🔗<class_Script_method_reload>`

Reloads the script's class implementation. Returns an error code.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
.. |void| replace:: :abbr:`void (No return value.)`