tornavis/source/blender/blenkernel/BKE_mesh_runtime.h

109 lines
4.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
#pragma once
/** \file
* \ingroup bke
*
* This file contains access functions for the Mesh.runtime struct.
*/
//#include "BKE_customdata.h" /* for eCustomDataMask */
#ifdef __cplusplus
extern "C" {
#endif
struct CustomData;
struct CustomData_MeshMasks;
struct Depsgraph;
struct KeyBlock;
struct MLoop;
struct MLoopTri;
struct MVertTri;
struct Mesh;
struct Object;
struct Scene;
/**
* \brief Initialize the runtime of the given mesh.
*
* Function expects that the runtime is already cleared.
*/
void BKE_mesh_runtime_init_data(struct Mesh *mesh);
/**
* \brief Free all data (and mutexes) inside the runtime of the given mesh.
*/
void BKE_mesh_runtime_free_data(struct Mesh *mesh);
/**
* Clear all pointers which we don't want to be shared on copying the datablock.
* However, keep all the flags which defines what the mesh is (for example, that
* it's deformed only, or that its custom data layers are out of date.)
*/
void BKE_mesh_runtime_reset_on_copy(struct Mesh *mesh, int flag);
int BKE_mesh_runtime_looptri_len(const struct Mesh *mesh);
void BKE_mesh_runtime_looptri_recalc(struct Mesh *mesh);
/**
* \note This function only fills a cache, and therefore the mesh argument can
* be considered logically const. Concurrent access is protected by a mutex.
* \note This is a ported copy of dm_getLoopTriArray(dm).
*/
const struct MLoopTri *BKE_mesh_runtime_looptri_ensure(const struct Mesh *mesh);
bool BKE_mesh_runtime_ensure_edit_data(struct Mesh *mesh);
bool BKE_mesh_runtime_clear_edit_data(struct Mesh *mesh);
bool BKE_mesh_runtime_reset_edit_data(struct Mesh *mesh);
void BKE_mesh_runtime_clear_geometry(struct Mesh *mesh);
/**
* \brief This function clears runtime cache of the given mesh.
*
* Call this function to recalculate runtime data when used.
*/
void BKE_mesh_runtime_clear_cache(struct Mesh *mesh);
/* This is a copy of DM_verttri_from_looptri(). */
void BKE_mesh_runtime_verttri_from_looptri(struct MVertTri *r_verttri,
const struct MLoop *mloop,
const struct MLoopTri *looptri,
int looptri_num);
/* NOTE: the functions below are defined in DerivedMesh.cc, and are intended to be moved
* to a more suitable location when that file is removed.
* They should also be renamed to use conventions from BKE, not old DerivedMesh.cc.
* For now keep the names similar to avoid confusion. */
struct Mesh *mesh_get_eval_final(struct Depsgraph *depsgraph,
const struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
struct Mesh *mesh_get_eval_deform(struct Depsgraph *depsgraph,
const struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
struct Mesh *mesh_create_eval_final(struct Depsgraph *depsgraph,
const struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
struct Mesh *mesh_create_eval_no_deform(struct Depsgraph *depsgraph,
const struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
struct Mesh *mesh_create_eval_no_deform_render(struct Depsgraph *depsgraph,
const struct Scene *scene,
struct Object *ob,
const struct CustomData_MeshMasks *dataMask);
void BKE_mesh_runtime_eval_to_meshkey(struct Mesh *me_deformed,
struct Mesh *me,
struct KeyBlock *kb);
#ifndef NDEBUG
bool BKE_mesh_runtime_is_valid(struct Mesh *me_eval);
#endif /* NDEBUG */
#ifdef __cplusplus
}
#endif