a7bee90c1d
The position attribute has special meaning for point clouds, and meshes and curves have access methods for the attribute as well. This saves boilerplate and gives more consistency between types.
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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* \brief General operations for point clouds.
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*/
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#ifdef __cplusplus
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# include <mutex>
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# include "BLI_bounds_types.hh"
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# include "BLI_math_vector_types.hh"
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# include "BLI_shared_cache.hh"
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# include "DNA_pointcloud_types.h"
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# include "BKE_customdata.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct BoundBox;
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struct Depsgraph;
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struct Main;
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struct Object;
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struct PointCloud;
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struct Scene;
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/* PointCloud datablock */
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extern const char *POINTCLOUD_ATTR_POSITION;
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extern const char *POINTCLOUD_ATTR_RADIUS;
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#ifdef __cplusplus
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namespace blender::bke {
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struct PointCloudRuntime {
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/**
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* A cache of bounds shared between data-blocks with unchanged positions and radii.
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* When data changes affect the bounds, the cache is "un-shared" with other geometries.
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* See #SharedCache comments.
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*/
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mutable SharedCache<Bounds<float3>> bounds_cache;
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MEM_CXX_CLASS_ALLOC_FUNCS("PointCloudRuntime");
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};
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} // namespace blender::bke
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inline blender::Span<blender::float3> PointCloud::positions() const
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{
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return {static_cast<const blender::float3 *>(
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CustomData_get_layer_named(&this->pdata, CD_PROP_FLOAT3, "position")),
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this->totpoint};
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}
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inline blender::MutableSpan<blender::float3> PointCloud::positions_for_write()
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{
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return {static_cast<blender::float3 *>(CustomData_get_layer_named_for_write(
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&this->pdata, CD_PROP_FLOAT3, "position", this->totpoint)),
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this->totpoint};
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}
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#endif
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void *BKE_pointcloud_add(struct Main *bmain, const char *name);
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void *BKE_pointcloud_add_default(struct Main *bmain, const char *name);
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struct PointCloud *BKE_pointcloud_new_nomain(int totpoint);
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void BKE_pointcloud_nomain_to_pointcloud(struct PointCloud *pointcloud_src,
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struct PointCloud *pointcloud_dst,
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bool take_ownership);
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struct BoundBox *BKE_pointcloud_boundbox_get(struct Object *ob);
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bool BKE_pointcloud_attribute_required(const struct PointCloud *pointcloud, const char *name);
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/* Dependency Graph */
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struct PointCloud *BKE_pointcloud_copy_for_eval(struct PointCloud *pointcloud_src, bool reference);
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void BKE_pointcloud_data_update(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *object);
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/* Draw Cache */
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enum {
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BKE_POINTCLOUD_BATCH_DIRTY_ALL = 0,
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};
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void BKE_pointcloud_batch_cache_dirty_tag(struct PointCloud *pointcloud, int mode);
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void BKE_pointcloud_batch_cache_free(struct PointCloud *pointcloud);
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extern void (*BKE_pointcloud_batch_cache_dirty_tag_cb)(struct PointCloud *pointcloud, int mode);
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extern void (*BKE_pointcloud_batch_cache_free_cb)(struct PointCloud *pointcloud);
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#ifdef __cplusplus
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}
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#endif
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