virtualx-engine/modules/fbx/editor_scene_importer_fbx.h
Gordon MacPherson 31bc1af82a Preliminary Blender FBX support
limitations:
- always has to use generated normal's.
- some animations won't be compatible (yet)

Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
2021-01-05 21:56:21 +00:00

137 lines
6.1 KiB
C++

/*************************************************************************/
/* editor_scene_importer_fbx.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
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/* the following conditions: */
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#ifndef EDITOR_SCENE_IMPORTER_FBX_H
#define EDITOR_SCENE_IMPORTER_FBX_H
#ifdef TOOLS_ENABLED
#include "data/import_state.h"
#include "tools/import_utils.h"
#include "core/bind/core_bind.h"
#include "core/dictionary.h"
#include "core/io/resource_importer.h"
#include "core/local_vector.h"
#include "core/ustring.h"
#include "core/vector.h"
#include "editor/import/resource_importer_scene.h"
#include "editor/project_settings_editor.h"
#include "scene/3d/mesh_instance.h"
#include "scene/3d/skeleton.h"
#include "scene/3d/spatial.h"
#include "scene/animation/animation_player.h"
#include "scene/resources/animation.h"
#include "scene/resources/surface_tool.h"
#include "fbx_parser/FBXDocument.h"
#include "fbx_parser/FBXImportSettings.h"
#include "fbx_parser/FBXMeshGeometry.h"
#include "fbx_parser/FBXUtil.h"
#define CONVERT_FBX_TIME(time) static_cast<double>(time) / 46186158000LL
class EditorSceneImporterFBX : public EditorSceneImporter {
private:
GDCLASS(EditorSceneImporterFBX, EditorSceneImporter);
struct AssetImportAnimation {
enum Interpolation {
INTERP_LINEAR,
INTERP_STEP,
INTERP_CATMULLROMSPLINE,
INTERP_CUBIC_SPLINE
};
};
// ------------------------------------------------------------------------------------------------
template <typename T>
const T *ProcessDOMConnection(
const FBXDocParser::Document *doc,
uint64_t current_element,
bool reverse_lookup = false) {
const std::vector<const FBXDocParser::Connection *> &conns = reverse_lookup ? doc->GetConnectionsByDestinationSequenced(current_element) : doc->GetConnectionsBySourceSequenced(current_element);
//print_verbose("[doc] looking for " + String(element_to_find));
// using the temp pattern here so we can debug before it returns
// in some cases we return too early, with 'deformer object base class' in wrong place
// in assimp this means we can accidentally return too early...
const T *return_obj = nullptr;
for (const FBXDocParser::Connection *con : conns) {
const FBXDocParser::Object *source_object = con->SourceObject();
const FBXDocParser::Object *dest_object = con->DestinationObject();
if (source_object && dest_object != nullptr) {
//print_verbose("[doc] connection name: " + String(source_object->Name().c_str()) + ", dest: " + String(dest_object->Name().c_str()));
const T *temp = dynamic_cast<const T *>(reverse_lookup ? source_object : dest_object);
if (temp) {
return_obj = temp;
}
}
}
if (return_obj != nullptr) {
//print_verbose("[doc] returned valid element");
//print_verbose("Found object for bone");
return return_obj;
}
// safe to return nothing, need to use nullptr here as nullptr is used internally for FBX document.
return nullptr;
}
void BuildDocumentBones(Ref<FBXBone> p_parent_bone,
ImportState &state, const FBXDocParser::Document *p_doc,
uint64_t p_id);
void BuildDocumentNodes(Ref<PivotTransform> parent_transform, ImportState &state, const FBXDocParser::Document *doc, uint64_t id, Ref<FBXNode> fbx_parent);
Spatial *_generate_scene(const String &p_path, const FBXDocParser::Document *p_document,
const uint32_t p_flags,
int p_bake_fps,
const int32_t p_max_bone_weights,
bool p_is_blender_fbx);
template <class T>
T _interpolate_track(const Vector<float> &p_times, const Vector<T> &p_values, float p_time, AssetImportAnimation::Interpolation p_interp);
void _register_project_setting_import(const String generic, const String import_setting_string, const Vector<String> &exts, List<String> *r_extensions, const bool p_enabled) const;
public:
EditorSceneImporterFBX() {}
~EditorSceneImporterFBX() {}
virtual void get_extensions(List<String> *r_extensions) const;
virtual uint32_t get_import_flags() const;
virtual Node *import_scene(const String &p_path, uint32_t p_flags, int p_bake_fps, List<String> *r_missing_deps, Error *r_err = NULL);
void create_mesh_data_skin(ImportState &state, const Ref<FBXNode> &fbx_node, uint64_t mesh_id);
};
#endif // TOOLS_ENABLED
#endif // EDITOR_SCENE_IMPORTER_FBX_H