95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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#include "scene/geometry.h"
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CCL_NAMESPACE_BEGIN
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class PointCloud : public Geometry {
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public:
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NODE_DECLARE
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/* PointCloud Point */
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struct Point {
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int index;
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void bounds_grow(const packed_float3 *points, const float *radius, BoundBox &bounds) const;
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void bounds_grow(const packed_float3 *points,
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const float *radius,
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const Transform &aligned_space,
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BoundBox &bounds) const;
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void bounds_grow(const float4 &point, BoundBox &bounds) const;
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float4 motion_key(const float *radius,
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const Attribute *attr_P,
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const Attribute *attr_R,
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const size_t num_steps,
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const float time,
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size_t p) const;
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float4 point_for_step(const float *radius,
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const Attribute *attr_P,
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const Attribute *attr_R,
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const size_t step,
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size_t p) const;
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};
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NODE_SOCKET_API_ARRAY(array<int>, shader)
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/* Constructor/Destructor */
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PointCloud();
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~PointCloud() override;
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/* Geometry */
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void clear_non_sockets();
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void clear(const bool preserve_shaders = false) override;
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void resize(const int numpoints);
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void copy_center_to_motion_step(const int motion_step);
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void compute_bounds() override;
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void apply_transform(const Transform &tfm, const bool apply_to_motion) override;
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/* Points */
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Point get_point(const int i) const
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{
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Point point = {i};
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return point;
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}
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size_t num_points() const
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{
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const Attribute *attr = attributes.find(ATTR_STD_POSITION);
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return attr ? attr->size : 0;
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}
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size_t num_attributes() const
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{
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return 1;
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}
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/* UDIM */
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void get_uv_tiles(ustring map, unordered_set<int> &tiles) override;
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PrimitiveType primitive_type() const override;
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/* BVH */
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void pack(Scene *scene, uint *packed_shader);
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private:
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void add_builtin_attributes();
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friend class BVH2;
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friend class BVHBuild;
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friend class BVHSpatialSplit;
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friend class DiagSplit;
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friend class EdgeDice;
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friend class GeometryManager;
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friend class ObjectManager;
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};
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CCL_NAMESPACE_END
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