usd_armature_utils.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_function_ref.hh"
#include "BLI_map.hh"
#include "BLI_string_ref.hh"
#include "BLI_vector.hh"
 
#include "DNA_modifier_types.h"
 
#include <pxr/base/tf/token.h>
#include <pxr/usd/usdSkel/animation.h>
 
#include <string>
 
struct Bone;
struct Depsgraph;
struct ModifierData;
struct Object;
 
namespace blender::io::usd {
 
/* Custom Blender Primvar name used for storing armature bone lengths. */
inline const pxr::TfToken BlenderBoneLengths("blender:bone_lengths", pxr::TfToken::Immortal);
 
void visit_bones(const Object *ob_arm, FunctionRef<void(const Bone *)> visitor);
 
void get_armature_bone_names(const Object *ob_arm, bool use_deform, Vector<std::string> &r_names);
 
pxr::TfToken build_usd_joint_path(const Bone *bone, bool allow_unicode);
 
void create_pose_joints(pxr::UsdSkelAnimation &skel_anim,
                        const Object &obj,
                        const Map<StringRef, const Bone *> *deform_map,
                        bool allow_unicode);
 
const ModifierData *get_enabled_modifier(const Object &obj,
                                         ModifierType type,
                                         const Depsgraph *depsgraph);
 
const Object *get_armature_modifier_obj(const Object &obj, const Depsgraph *depsgraph);
 
bool is_armature_modifier_bone_name(const Object &obj,
                                    const StringRefNull name,
                                    const Depsgraph *depsgraph);
 
bool can_export_skinned_mesh(const Object &obj, const Depsgraph *depsgraph);
 
void init_deform_bones_map(const Object *obj, Map<StringRef, const Bone *> *deform_map);
 
}  // namespace blender::io::usd