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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#pragma once
#ifndef __POINTCLOUD_H__
# define __POINTCLOUD_H__
# include "scene/geometry.h"
CCL_NAMESPACE_BEGIN
class PointCloud : public Geometry {
public:
NODE_DECLARE
/* PointCloud Point */
struct Point {
int index;
void bounds_grow(const float3 *points, const float *radius, BoundBox &bounds) const;
void bounds_grow(const float3 *points,
const float *radius,
const Transform &aligned_space,
BoundBox &bounds) const;
void bounds_grow(const float4 &point, BoundBox &bounds) const;
float4 motion_key(const float3 *points,
const float *radius,
const float3 *point_steps,
size_t num_points,
size_t num_steps,
float time,
size_t p) const;
float4 point_for_step(const float3 *points,
const float *radius,
const float3 *point_steps,
size_t num_points,
size_t num_steps,
size_t step,
size_t p) const;
};
NODE_SOCKET_API_ARRAY(array<float3>, points)
NODE_SOCKET_API_ARRAY(array<float>, radius)
NODE_SOCKET_API_ARRAY(array<int>, shader)
/* Constructor/Destructor */
PointCloud();
~PointCloud();
/* Geometry */
void clear(const bool preserver_shaders = false) override;
void resize(int numpoints);
void reserve(int numpoints);
void add_point(float3 loc, float radius, int shader = 0);
void copy_center_to_motion_step(const int motion_step);
void compute_bounds() override;
void apply_transform(const Transform &tfm, const bool apply_to_motion) override;
/* Points */
Point get_point(int i) const
{
Point point = {i};
return point;
}
size_t num_points() const
{
return points.size();
}
size_t num_attributes() const
{
return 1;
}
/* UDIM */
void get_uv_tiles(ustring map, unordered_set<int> &tiles) override;
PrimitiveType primitive_type() const override;
/* BVH */
void pack(Scene *scene, float4 *packed_points, uint *packed_shader);
private:
friend class BVH2;
friend class BVHBuild;
friend class BVHSpatialSplit;
friend class DiagSplit;
friend class EdgeDice;
friend class GeometryManager;
friend class ObjectManager;
};
CCL_NAMESPACE_END
#endif /* __POINTCLOUD_H__ */
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