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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2019 Blender Foundation. All rights reserved. */
#pragma once
#include "DEG_depsgraph.h"
#ifdef __cplusplus
extern "C" {
#endif
struct CacheArchiveHandle;
struct CacheFile;
struct CacheReader;
struct Object;
struct bContext;
/* Behavior when the name of an imported material
* conflicts with an existing material. */
typedef enum eUSDMtlNameCollisionMode {
USD_MTL_NAME_COLLISION_MAKE_UNIQUE = 0,
USD_MTL_NAME_COLLISION_REFERENCE_EXISTING = 1,
} eUSDMtlNameCollisionMode;
struct USDExportParams {
bool export_animation;
bool export_hair;
bool export_uvmaps;
bool export_normals;
bool export_materials;
bool selected_objects_only;
bool visible_objects_only;
bool use_instancing;
enum eEvaluationMode evaluation_mode;
bool generate_preview_surface;
bool export_textures;
bool overwrite_textures;
bool relative_paths;
};
struct USDImportParams {
float scale;
bool is_sequence;
bool set_frame_range;
int sequence_len;
int offset;
bool validate_meshes;
char mesh_read_flag;
bool import_cameras;
bool import_curves;
bool import_lights;
bool import_materials;
bool import_meshes;
bool import_volumes;
char prim_path_mask[1024];
bool import_subdiv;
bool import_instance_proxies;
bool create_collection;
bool import_guide;
bool import_proxy;
bool import_render;
bool import_visible_only;
bool use_instancing;
bool import_usd_preview;
bool set_material_blend;
float light_intensity_scale;
eUSDMtlNameCollisionMode mtl_name_collision_mode;
};
/* The USD_export takes a as_background_job parameter, and returns a boolean.
*
* When as_background_job=true, returns false immediately after scheduling
* a background job.
*
* When as_background_job=false, performs the export synchronously, and returns
* true when the export was ok, and false if there were any errors.
*/
bool USD_export(struct bContext *C,
const char *filepath,
const struct USDExportParams *params,
bool as_background_job);
bool USD_import(struct bContext *C,
const char *filepath,
const struct USDImportParams *params,
bool as_background_job);
int USD_get_version(void);
/* USD Import and Mesh Cache interface. */
struct CacheArchiveHandle *USD_create_handle(struct Main *bmain,
const char *filepath,
struct ListBase *object_paths);
void USD_free_handle(struct CacheArchiveHandle *handle);
void USD_get_transform(struct CacheReader *reader, float r_mat[4][4], float time, float scale);
/* Either modifies current_mesh in-place or constructs a new mesh. */
struct Mesh *USD_read_mesh(struct CacheReader *reader,
struct Object *ob,
struct Mesh *existing_mesh,
double time,
const char **err_str,
int read_flag);
bool USD_mesh_topology_changed(struct CacheReader *reader,
struct Object *ob,
struct Mesh *existing_mesh,
double time,
const char **err_str);
struct CacheReader *CacheReader_open_usd_object(struct CacheArchiveHandle *handle,
struct CacheReader *reader,
struct Object *object,
const char *object_path);
void USD_CacheReader_incref(struct CacheReader *reader);
void USD_CacheReader_free(struct CacheReader *reader);
#ifdef __cplusplus
}
#endif
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