tornavis/source/blender/blenkernel/BKE_pointcloud.h

106 lines
2.8 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bke
* \brief General operations for point clouds.
*/
#include "DNA_object_types.h" /* #BoundBox. */
#ifdef __cplusplus
# include <mutex>
# include "BLI_bounds_types.hh"
# include "BLI_math_vector_types.hh"
# include "BLI_shared_cache.hh"
# include "DNA_pointcloud_types.h"
# include "BKE_customdata.hh"
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct BoundBox;
struct Depsgraph;
struct Main;
struct Object;
struct PointCloud;
struct Scene;
/* PointCloud datablock */
extern const char *POINTCLOUD_ATTR_POSITION;
extern const char *POINTCLOUD_ATTR_RADIUS;
#ifdef __cplusplus
namespace blender::bke {
struct PointCloudRuntime {
/**
* A cache of bounds shared between data-blocks with unchanged positions and radii.
* When data changes affect the bounds, the cache is "un-shared" with other geometries.
* See #SharedCache comments.
*/
mutable SharedCache<Bounds<float3>> bounds_cache;
MEM_CXX_CLASS_ALLOC_FUNCS("PointCloudRuntime");
};
} // namespace blender::bke
inline blender::Span<blender::float3> PointCloud::positions() const
{
return {static_cast<const blender::float3 *>(
CustomData_get_layer_named(&this->pdata, CD_PROP_FLOAT3, "position")),
this->totpoint};
}
inline blender::MutableSpan<blender::float3> PointCloud::positions_for_write()
{
return {static_cast<blender::float3 *>(CustomData_get_layer_named_for_write(
&this->pdata, CD_PROP_FLOAT3, "position", this->totpoint)),
this->totpoint};
}
#endif
void *BKE_pointcloud_add(struct Main *bmain, const char *name);
void *BKE_pointcloud_add_default(struct Main *bmain, const char *name);
struct PointCloud *BKE_pointcloud_new_nomain(int totpoint);
void BKE_pointcloud_nomain_to_pointcloud(struct PointCloud *pointcloud_src,
struct PointCloud *pointcloud_dst);
BoundBox BKE_pointcloud_boundbox_get(struct Object *ob);
bool BKE_pointcloud_attribute_required(const struct PointCloud *pointcloud, const char *name);
/* Dependency Graph */
struct PointCloud *BKE_pointcloud_copy_for_eval(const struct PointCloud *pointcloud_src);
void BKE_pointcloud_data_update(struct Depsgraph *depsgraph,
struct Scene *scene,
struct Object *object);
/* Draw Cache */
enum {
BKE_POINTCLOUD_BATCH_DIRTY_ALL = 0,
};
void BKE_pointcloud_batch_cache_dirty_tag(struct PointCloud *pointcloud, int mode);
void BKE_pointcloud_batch_cache_free(struct PointCloud *pointcloud);
extern void (*BKE_pointcloud_batch_cache_dirty_tag_cb)(struct PointCloud *pointcloud, int mode);
extern void (*BKE_pointcloud_batch_cache_free_cb)(struct PointCloud *pointcloud);
#ifdef __cplusplus
}
#endif