class-description NEWS COMMUNITY STORE TUTORIALS SIGN UP LOGIN LOGOUT ROKOJORI NEWSLETTER SIGN UP LOGIN LOGOUT NEWS COMMUNITY STORE TUTORIALS TOGGLE FULLSCREEN VOLLBILD AN/AUS ObjectRefCounted Resource
Base class for serializable objects.
 Resource is the base class for all Godot-specific resource types, serving primarily as data containers. Since they inherit from RefCounted, resources are reference-counted and freed when no longer in use. They can also be nested within other resources, and saved on disk. PackedScene, one of the most common Objects in a Godot project, is also a resource, uniquely capable of storing and instantiating the Nodes it contains as many times as desired.
In GDScript, resources can loaded from disk by their resource_path using [method @GDScript.load] or [method @GDScript.preload].
The engine keeps a global cache of all loaded resources, referenced by paths (see [method ResourceLoader.has_cached]). A resource will be cached when loaded for the first time and removed from cache once all references are released. When a resource is cached, subsequent loads using its path will return the cached reference.
Note: In C#, resources will not be freed instantly after they are no longer in use. Instead, garbage collection will run periodically and will free resources that are no longer in use. This means that unused resources will remain in memory for a while before being removed.
 Enum DeepDuplicateMode<>():Enum

DEEP_DUPLICATE_NONE:null = 0
No subresorces at all are duplicated. This is useful even in a deep duplication to have all the arrays and dictionaries duplicated but still pointing to the original resources.


DEEP_DUPLICATE_INTERNAL:null = 1
Only subresources without a path or with a scene-local path will be duplicated.


DEEP_DUPLICATE_ALL:null = 2
Every subresource found will be duplicated, even if it has a non-local path. In other words, even potentially big resources stored separately will be duplicated.
 Signal changed<>():Signal
Emitted when the resource changes, usually when one of its properties is modified. See also emit_changed.

Note: This signal is not emitted automatically for properties of custom resources. If necessary, a setter needs to be created to emit the signal.
 Signal setup_local_to_scene_requested<>():Signal
Emitted by a newly duplicated resource with resource_local_to_scene set to true.

set get bool resource_local_to_scene<>():bool set get
If true, the resource is duplicated for each instance of all scenes using it. At run-time, the resource can be modified in one scene without affecting other instances (see [method PackedScene.instantiate]).

Note: Changing this property at run-time has no effect on already created duplicate resources.
 set get String resource_name<>():String set get
An optional name for this resource. When defined, its value is displayed to represent the resource in the Inspector dock. For built-in scripts, the name is displayed as part of the tab name in the script editor.

Note: Some resource formats do not support resource names. You can still set the name in the editor or via code, but it will be lost when the resource is reloaded. For example, only built-in scripts can have a resource name, while scripts stored in separate files cannot.
 set get String resource_path<>():String set get
The unique path to this resource. If it has been saved to disk, the value will be its filepath. If the resource is exclusively contained within a scene, the value will be the PackedScene's filepath, followed by a unique identifier.

Note: Setting this property manually may fail if a resource with the same path has already been previously loaded. If necessary, use take_over_path.
 set get String resource_scene_unique_id<>():String set get
A unique identifier relative to the this resource's scene. If left empty, the ID is automatically generated when this resource is saved inside a PackedScene. If the resource is not inside a scene, this property is empty by default.

Note: When the PackedScene is saved, if multiple resources in the same scene use the same ID, only the earliest resource in the scene hierarchy keeps the original ID. The other resources are assigned new IDs from generate_scene_unique_id.
Note: Setting this property does not emit the changed signal.
Warning: When setting, the ID must only consist of letters, numbers, and underscores. Otherwise, it will fail and default to a randomly generated ID.
 RID _get_rid<>():RID
Override this method to return a custom RID when get_rid is called.

void _reset_state<>():void
For resources that store state in non-exported properties, such as via [method Object._validate_property] or [method Object._get_property_list], this method must be implemented to clear them.

void _set_path_cache<>( String path=, path:String=, ):void
Override this method to execute additional logic after set_path_cache is called on this object.

void _setup_local_to_scene<>():void
Override this method to customize the newly duplicated resource created from [method PackedScene.instantiate], if the original's resource_local_to_scene is set to true.

Example: Set a random damage value to every local resource from an instantiated scene:
extends Resource var damage = 0 func _setup_local_to_scene(): damage = randi_range(10, 40)
Resource duplicate<>( bool deep=false, deep:bool=false, ):Resource
Duplicates this resource, returning a new resource with its exported or PROPERTY_USAGE_STORAGE properties copied from the original.

If deep is false, a shallow copy is returned: nested Array, Dictionary, and Resource properties are not duplicated and are shared with the original resource.
If deep is true, a deep copy is returned: all nested arrays, dictionaries, and packed arrays are also duplicated (recursively). Any Resource found inside will only be duplicated if it's local, like DEEP_DUPLICATE_INTERNAL used with duplicate_deep.
The following exceptions apply:
- Subresource properties with the PROPERTY_USAGE_ALWAYS_DUPLICATE flag are always duplicated (recursively or not, depending on deep).
- Subresource properties with the PROPERTY_USAGE_NEVER_DUPLICATE flag are never duplicated.
Note: For custom resources, this method will fail if [method Object._init] has been defined with required parameters.
Note: When duplicating with deep set to true, each resource found, including the one on which this method is called, will be only duplicated once and referenced as many times as needed in the duplicate. For instance, if you are duplicating resource A that happens to have resource B referenced twice, you'll get a new resource A' referencing a new resource B' twice.
 Resource duplicate_deep<>( int deep_subresources_mode=1, deep_subresources_mode:int=1, ):Resource
Duplicates this resource, deeply, like duplicate(true), with extra control over how subresources are handled.

deep_subresources_mode must be one of the values from DeepDuplicateMode.
 void emit_changed<>():void
Emits the changed signal. This method is called automatically for some built-in resources.

Note: For custom resources, it's recommended to call this method whenever a meaningful change occurs, such as a modified property. This ensures that custom Objects depending on the resource are properly updated.
var damage: set(new_value): if damage != new_value: damage = new_value emit_changed()
String generate_scene_unique_id<>():String
Generates a unique identifier for a resource to be contained inside a PackedScene, based on the current date, time, and a random value. The returned string is only composed of letters (a to y) and numbers (0 to 8). See also resource_scene_unique_id.

String get_id_for_path<>( String path=, path:String=, ):String
From the internal cache for scene-unique IDs, returns the ID of this resource for the scene at path. If there is no entry, an empty string is returned. Useful to keep scene-unique IDs the same when implementing a VCS-friendly custom resource format by extending ResourceFormatLoader and ResourceFormatSaver.

Note: This method is only implemented when running in an editor context. At runtime, it returns an empty string.
 Node get_local_scene<>():Node
If resource_local_to_scene is set to true and the resource has been loaded from a PackedScene instantiation, returns the root Node of the scene where this resource is used. Otherwise, returns null.

RID get_rid<>():RID
Returns the RID of this resource (or an empty RID). Many resources (such as Texture2D, Mesh, and so on) are high-level abstractions of resources stored in a specialized server (DisplayServer, RenderingServer, etc.), so this function will return the original RID.

bool is_built_in<>():bool
Returns true if the resource is saved on disk as a part of another resource's file.

void reset_state<>():void
Makes the resource clear its non-exported properties. See also _reset_state. Useful when implementing a custom resource format by extending ResourceFormatLoader and ResourceFormatSaver.

void set_id_for_path<>( String path=, path:String=, String id=, id:String=, ):void
In the internal cache for scene-unique IDs, sets the ID of this resource to id for the scene at path. If id is empty, the cache entry for path is cleared. Useful to keep scene-unique IDs the same when implementing a VCS-friendly custom resource format by extending ResourceFormatLoader and ResourceFormatSaver.

Note: This method is only implemented when running in an editor context.
 void set_path_cache<>( String path=, path:String=, ):void
Sets the resource's path to path without involving the resource cache. Useful for handling [enum ResourceFormatLoader.CacheMode] values when implementing a custom resource format by extending ResourceFormatLoader and ResourceFormatSaver.

void setup_local_to_scene<>():void
Calls _setup_local_to_scene. If resource_local_to_scene is set to true, this method is automatically called from [method PackedScene.instantiate] by the newly duplicated resource within the scene instance.

void take_over_path<>( String path=, path:String=, ):void
Sets the resource_path to path, potentially overriding an existing cache entry for this path. Further attempts to load an overridden resource by path will instead return this resource.




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