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GLTFState

Inherits: Resource < RefCounted < Object

Represents all data of a GLTF file.

Description

Contains all nodes and resources of a GLTF file. This is used by GLTFDocument as data storage, which allows GLTFDocument and all GLTFDocumentExtension classes to remain stateless.

GLTFState can be populated by GLTFDocument reading a file or by converting a Godot scene. Then the data can either be used to create a Godot scene or save to a GLTF file. The code that converts to/from a Godot scene can be intercepted at arbitrary points by GLTFDocumentExtension classes. This allows for custom data to be stored in the GLTF file or for custom data to be converted to/from Godot nodes.

Properties

Methods

Constants

HANDLE_BINARY_DISCARD_TEXTURES = 0

Discards all embedded textures and uses untextured materials.

HANDLE_BINARY_EXTRACT_TEXTURES = 1

Extracts embedded textures to be reimported and compressed. Editor only. Acts as uncompressed at runtime.

HANDLE_BINARY_EMBED_AS_BASISU = 2

Embeds textures VRAM compressed with Basis Universal into the generated scene.

HANDLE_BINARY_EMBED_AS_UNCOMPRESSED = 3

Embeds textures compressed losslessly into the generated scene, matching old behavior.

Property Descriptions

String base_path = ""

• void set_base_path ( String value )

• String get_base_path ( )

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PackedByteArray[] buffers = []

• void set_buffers ( PackedByteArray[] value )

• PackedByteArray[] get_buffers ( )

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bool create_animations = true

• void set_create_animations ( bool value )

• bool get_create_animations ( )

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PackedByteArray glb_data = PackedByteArray()

• void set_glb_data ( PackedByteArray value )

• PackedByteArray get_glb_data ( )

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Dictionary json = {}

• void set_json ( Dictionary value )

• Dictionary get_json ( )

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int major_version = 0

• void set_major_version ( int value )

• int get_major_version ( )

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int minor_version = 0

• void set_minor_version ( int value )

• int get_minor_version ( )

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PackedInt32Array root_nodes = PackedInt32Array()

• void set_root_nodes ( PackedInt32Array value )

• PackedInt32Array get_root_nodes ( )

The root nodes of the GLTF file. Typically, a GLTF file will only have one scene, and therefore one root node. However, a GLTF file may have multiple scenes and therefore multiple root nodes, which will be generated as siblings of each other and as children of the root node of the generated Godot scene.

String scene_name = ""

• void set_scene_name ( String value )

• String get_scene_name ( )

The name of the scene. When importing, if not specified, this will be the file name. When exporting, if specified, the scene name will be saved to the GLTF file.

bool use_named_skin_binds = false

• void set_use_named_skin_binds ( bool value )

• bool get_use_named_skin_binds ( )

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Method Descriptions

void add_used_extension ( String extension_name, bool required )

Appends an extension to the list of extensions used by this GLTF file during serialization. If required is true, the extension will also be added to the list of required extensions. Do not run this in GLTFDocumentExtension._export_post, as that stage is too late to add extensions. The final list is sorted alphabetically.

GLTFAccessor[] get_accessors ( )

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Variant get_additional_data ( StringName extension_name )

Gets additional arbitrary data in this GLTFState instance. This can be used to keep per-file state data in GLTFDocumentExtension classes, which is important because they are stateless.

The argument should be the GLTFDocumentExtension name (does not have to match the extension name in the GLTF file), and the return value can be anything you set. If nothing was set, the return value is null.

AnimationPlayer get_animation_player ( int idx )

Returns the AnimationPlayer node with the given index. These nodes are only used during the export process when converting Godot AnimationPlayer nodes to GLTF animations.

int get_animation_players_count ( int idx )

Returns the number of AnimationPlayer nodes in this GLTFState. These nodes are only used during the export process when converting Godot AnimationPlayer nodes to GLTF animations.

GLTFAnimation[] get_animations ( )

Returns an array of all GLTFAnimations in the GLTF file. When importing, these will be generated as animations in an AnimationPlayer node. When exporting, these will be generated from Godot AnimationPlayer nodes.

GLTFBufferView[] get_buffer_views ( )

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GLTFCamera[] get_cameras ( )

Returns an array of all GLTFCameras in the GLTF file. These are the cameras that the GLTFNode.camera index refers to.

int get_handle_binary_image ( )

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Texture2D[] get_images ( )

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GLTFLight[] get_lights ( )

Returns an array of all GLTFLights in the GLTF file. These are the lights that the GLTFNode.light index refers to.

Material[] get_materials ( )

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GLTFMesh[] get_meshes ( )

Returns an array of all GLTFMeshes in the GLTF file. These are the meshes that the GLTFNode.mesh index refers to.

GLTFNode[] get_nodes ( )

Returns an array of all GLTFNodes in the GLTF file. These are the nodes that GLTFNode.children and root_nodes refer to. This includes nodes that may not be generated in the Godot scene, or nodes that may generate multiple Godot scene nodes.

Node get_scene_node ( int idx )

Returns the Godot scene node that corresponds to the same index as the GLTFNode it was generated from. Not every GLTFNode will have a scene node generated, and not every generated scene node will have a corresponding GLTFNode.

GLTFSkeleton[] get_skeletons ( )

Returns an array of all GLTFSkeletons in the GLTF file. These are the skeletons that the GLTFNode.skeleton index refers to.

GLTFSkin[] get_skins ( )

Returns an array of all GLTFSkins in the GLTF file. These are the skins that the GLTFNode.skin index refers to.

GLTFTextureSampler[] get_texture_samplers ( )

Retrieves the array of texture samplers that are used by the textures contained in the GLTF.

GLTFTexture[] get_textures ( )

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String[] get_unique_animation_names ( )

Returns an array of unique animation names. This is only used during the import process.

String[] get_unique_names ( )

Returns an array of unique node names. This is used in both the import process and export process.

void set_accessors ( GLTFAccessor[] accessors )

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void set_additional_data ( StringName extension_name, Variant additional_data )

Sets additional arbitrary data in this GLTFState instance. This can be used to keep per-file state data in GLTFDocumentExtension classes, which is important because they are stateless.

The first argument should be the GLTFDocumentExtension name (does not have to match the extension name in the GLTF file), and the second argument can be anything you want.

void set_animations ( GLTFAnimation[] animations )

Sets the GLTFAnimations in the state. When importing, these will be generated as animations in an AnimationPlayer node. When exporting, these will be generated from Godot AnimationPlayer nodes.

void set_buffer_views ( GLTFBufferView[] buffer_views )

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void set_cameras ( GLTFCamera[] cameras )

Sets the GLTFCameras in the state. These are the cameras that the GLTFNode.camera index refers to.

void set_handle_binary_image ( int method )

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void set_images ( Texture2D[] images )

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void set_lights ( GLTFLight[] lights )

Sets the GLTFLights in the state. These are the lights that the GLTFNode.light index refers to.

void set_materials ( Material[] materials )

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void set_meshes ( GLTFMesh[] meshes )

Sets the GLTFMeshes in the state. These are the meshes that the GLTFNode.mesh index refers to.

void set_nodes ( GLTFNode[] nodes )

Sets the GLTFNodes in the state. These are the nodes that GLTFNode.children and root_nodes refer to. Some of the nodes set here may not be generated in the Godot scene, or may generate multiple Godot scene nodes.

void set_skeletons ( GLTFSkeleton[] skeletons )

Sets the GLTFSkeletons in the state. These are the skeletons that the GLTFNode.skeleton index refers to.

void set_skins ( GLTFSkin[] skins )

Sets the GLTFSkins in the state. These are the skins that the GLTFNode.skin index refers to.

void set_texture_samplers ( GLTFTextureSampler[] texture_samplers )

Sets the array of texture samplers that are used by the textures contained in the GLTF.

void set_textures ( GLTFTexture[] textures )

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void set_unique_animation_names ( String[] unique_animation_names )

Sets the unique animation names in the state. This is only used during the import process.

void set_unique_names ( String[] unique_names )

Sets the unique node names in the state. This is used in both the import process and export process.