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Add a way to get the GLTF extensions supported by GLTFDocumentExtension

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This commit is contained in:
Aaron Franke 2022-09-18 20:35:13 -05:00
parent b72dc0de89
commit 7097e8add7
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GPG key ID: 40A1750B977E56BF
4 changed files with 34 additions and 4 deletions
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6
modules/gltf/doc_classes/GLTFDocumentExtension.xml
View file

@ -30,6 +30,12 @@
<description>
</description>
</method>
<method name="_get_supported_extensions" qualifiers="virtual">
<return type="PackedStringArray" />
<description>
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>
<method name="_import_node" qualifiers="virtual">
<return type="int" />
<param index="0" name="state" type="GLTFState" />

23
modules/gltf/gltf_document.cpp
View file

@ -6927,9 +6927,24 @@ Error GLTFDocument::_parse_gltf_extensions(Ref<GLTFState> state) {
Vector<String> ext_array = state->json["extensionsRequired"];
state->extensions_required = ext_array;
}
if (state->extensions_required.find("KHR_draco_mesh_compression") != -1) {
ERR_PRINT("glTF2 extension KHR_draco_mesh_compression is not supported.");
return ERR_UNAVAILABLE;
HashSet<String> supported_extensions;
supported_extensions.insert("KHR_lights_punctual");
supported_extensions.insert("KHR_materials_pbrSpecularGlossiness");
supported_extensions.insert("KHR_texture_transform");
for (int ext_i = 0; ext_i < document_extensions.size(); ext_i++) {
Ref<GLTFDocumentExtension> ext = document_extensions[ext_i];
ERR_CONTINUE(ext.is_null());
Vector<String> ext_supported_extensions = ext->get_supported_extensions();
for (int i = 0; i < ext_supported_extensions.size(); ++i) {
supported_extensions.insert(ext_supported_extensions[i]);
}
}
return OK;
Error ret = Error::OK;
for (int i = 0; i < state->extensions_required.size(); i++) {
if (!supported_extensions.has(state->extensions_required[i])) {
ERR_PRINT("GLTF: Can't import file '" + state->filename + "', required extension '" + String(state->extensions_required[i]) + "' is not supported. Are you missing a GLTFDocumentExtension plugin?");
ret = ERR_UNAVAILABLE;
}
}
return ret;
}

7
modules/gltf/gltf_document_extension.cpp
View file

@ -31,6 +31,7 @@
#include "gltf_document_extension.h"
void GLTFDocumentExtension::_bind_methods() {
GDVIRTUAL_BIND(_get_supported_extensions);
GDVIRTUAL_BIND(_import_preflight, "state");
GDVIRTUAL_BIND(_import_post_parse, "state");
GDVIRTUAL_BIND(_import_node, "state", "gltf_node", "json", "node");
@ -40,6 +41,12 @@ void GLTFDocumentExtension::_bind_methods() {
GDVIRTUAL_BIND(_export_post, "state");
}
Vector<String> GLTFDocumentExtension::get_supported_extensions() {
Vector<String> ret;
GDVIRTUAL_CALL(_get_supported_extensions, ret);
return ret;
}
Error GLTFDocumentExtension::import_post(Ref<GLTFState> p_state, Node *p_root) {
ERR_FAIL_NULL_V(p_root, ERR_INVALID_PARAMETER);
ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER);

2
modules/gltf/gltf_document_extension.h
View file

@ -41,6 +41,7 @@ protected:
static void _bind_methods();
public:
virtual Vector<String> get_supported_extensions();
virtual Error import_preflight(Ref<GLTFState> p_state);
virtual Error import_post_parse(Ref<GLTFState> p_state);
virtual Error export_post(Ref<GLTFState> p_state);
@ -48,6 +49,7 @@ public:
virtual Error export_preflight(Node *p_state);
virtual Error import_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_json, Node *p_node);
virtual Error export_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_json, Node *p_node);
GDVIRTUAL0R(Vector<String>, _get_supported_extensions);
GDVIRTUAL1R(int, _import_preflight, Ref<GLTFState>);
GDVIRTUAL1R(int, _import_post_parse, Ref<GLTFState>);
GDVIRTUAL4R(int, _import_node, Ref<GLTFState>, Ref<GLTFNode>, Dictionary, Node *);