diff options
Diffstat (limited to 'modules/gltf/doc_classes/GLTFDocumentExtension.xml')
| -rw-r--r-- | modules/gltf/doc_classes/GLTFDocumentExtension.xml | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/modules/gltf/doc_classes/GLTFDocumentExtension.xml b/modules/gltf/doc_classes/GLTFDocumentExtension.xml index 936794976d..6004de32f1 100644 --- a/modules/gltf/doc_classes/GLTFDocumentExtension.xml +++ b/modules/gltf/doc_classes/GLTFDocumentExtension.xml @@ -5,10 +5,22 @@ </brief_description> <description> Extends the functionality of the [GLTFDocument] class by allowing you to run arbitrary code at various stages of GLTF import or export. + To use, make a new class extending GLTFDocumentExtension, override any methods you need, make an instance of your class, and register it using [method GLTFDocument.register_gltf_document_extension]. + [b]Note:[/b] Like GLTFDocument itself, all GLTFDocumentExtension classes must be stateless in order to function properly. If you need to store data, use the [code]set_additional_data[/code] and [code]get_additional_data[/code] methods in [GLTFState] or [GLTFNode]. </description> <tutorials> </tutorials> <methods> + <method name="_convert_scene_node" qualifiers="virtual"> + <return type="void" /> + <param index="0" name="state" type="GLTFState" /> + <param index="1" name="gltf_node" type="GLTFNode" /> + <param index="2" name="scene_node" type="Node" /> + <description> + Part of the export process. This method is run after [method _export_preflight] and before [method _export_node]. + Runs when converting the data from a Godot scene node. This method can be used to process the Godot scene node data into a format that can be used by [method _export_node]. + </description> + </method> <method name="_export_node" qualifiers="virtual"> <return type="int" /> <param index="0" name="state" type="GLTFState" /> @@ -16,23 +28,41 @@ <param index="2" name="json" type="Dictionary" /> <param index="3" name="node" type="Node" /> <description> + Part of the export process. This method is run after [method _convert_scene_node] and before [method _export_post]. + This method can be used to modify the final JSON of each node. </description> </method> <method name="_export_post" qualifiers="virtual"> <return type="int" /> <param index="0" name="state" type="GLTFState" /> <description> + Part of the export process. This method is run last, after all other parts of the export process. + This method can be used to modify the final JSON of the generated GLTF file. </description> </method> <method name="_export_preflight" qualifiers="virtual"> <return type="int" /> - <param index="0" name="root" type="Node" /> + <param index="0" name="state" type="GLTFState" /> + <param index="1" name="root" type="Node" /> + <description> + Part of the export process. This method is run first, before all other parts of the export process. + The return value is used to determine if this [GLTFDocumentExtension] instance should be used for exporting a given GLTF file. If [constant OK], the export will use this [GLTFDocumentExtension] instance. If not overridden, [constant OK] is returned. + </description> + </method> + <method name="_generate_scene_node" qualifiers="virtual"> + <return type="Node3D" /> + <param index="0" name="state" type="GLTFState" /> + <param index="1" name="gltf_node" type="GLTFNode" /> + <param index="2" name="scene_parent" type="Node" /> <description> + Part of the import process. This method is run after [method _parse_node_extensions] and before [method _import_post_parse]. + Runs when generating a Godot scene node from a GLTFNode. The returned node will be added to the scene tree. Multiple nodes can be generated in this step if they are added as a child of the returned node. </description> </method> <method name="_get_supported_extensions" qualifiers="virtual"> <return type="PackedStringArray" /> <description> + Part of the import process. This method is run after [method _import_preflight] and before [method _parse_node_extensions]. Returns an array of the GLTF extensions supported by this GLTFDocumentExtension class. This is used to validate if a GLTF file with required extensions can be loaded. </description> </method> @@ -43,6 +73,8 @@ <param index="2" name="json" type="Dictionary" /> <param index="3" name="node" type="Node" /> <description> + Part of the import process. This method is run after [method _import_post_parse] and before [method _import_post]. + This method can be used to make modifications to each of the generated Godot scene nodes. </description> </method> <method name="_import_post" qualifiers="virtual"> @@ -50,18 +82,35 @@ <param index="0" name="state" type="GLTFState" /> <param index="1" name="root" type="Node" /> <description> + Part of the import process. This method is run last, after all other parts of the import process. + This method can be used to modify the final Godot scene generated by the import process. </description> </method> <method name="_import_post_parse" qualifiers="virtual"> <return type="int" /> <param index="0" name="state" type="GLTFState" /> <description> + Part of the import process. This method is run after [method _generate_scene_node] and before [method _import_node]. + This method can be used to modify any of the data imported so far, including any scene nodes, before running the final per-node import step. </description> </method> <method name="_import_preflight" qualifiers="virtual"> <return type="int" /> <param index="0" name="state" type="GLTFState" /> + <param index="1" name="extensions" type="PackedStringArray" /> + <description> + Part of the import process. This method is run first, before all other parts of the import process. + The return value is used to determine if this [GLTFDocumentExtension] instance should be used for importing a given GLTF file. If [constant OK], the import will use this [GLTFDocumentExtension] instance. If not overridden, [constant OK] is returned. + </description> + </method> + <method name="_parse_node_extensions" qualifiers="virtual"> + <return type="int" /> + <param index="0" name="state" type="GLTFState" /> + <param index="1" name="gltf_node" type="GLTFNode" /> + <param index="2" name="extensions" type="Dictionary" /> <description> + Part of the import process. This method is run after [method _get_supported_extensions] and before [method _generate_scene_node]. + Runs when parsing the node extensions of a GLTFNode. This method can be used to process the extension JSON data into a format that can be used by [method _generate_scene_node]. The return value should be a member of the [enum Error] enum. </description> </method> </methods> |