DNA_pointcloud_types.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "DNA_ID.h"
#include "DNA_attribute_types.h"
#include "DNA_customdata_types.h"
 
#ifdef __cplusplus
#  include <optional>
 
#  include "BLI_bounds_types.hh"
#  include "BLI_math_vector_types.hh"
#  include "BLI_memory_counter_fwd.hh"
#  include "BLI_span.hh"
#  include "BLI_virtual_array_fwd.hh"
#endif
 
#ifdef __cplusplus
namespace blender {
template<typename T> class Span;
namespace bke {
class AttributeAccessor;
struct BVHTreeFromPointCloud;
class MutableAttributeAccessor;
struct PointCloudRuntime;
}  // namespace bke
}  // namespace blender
using PointCloudRuntimeHandle = blender::bke::PointCloudRuntime;
#else
typedef struct PointCloudRuntimeHandle PointCloudRuntimeHandle;
#endif
 
typedef struct PointCloud {
#ifdef __cplusplus
  static constexpr ID_Type id_type = ID_PT;
#endif
 
  ID id;
  struct AnimData *adt; /* animation data (must be immediately after id) */
 
  int flag;
 
  /* Geometry */
  int totpoint;

  struct AttributeStorage attribute_storage;
 
  /* Custom Data */
  struct CustomData pdata;
  int attributes_active_index;
  int _pad4;
 
  /* Material */
  struct Material **mat;
  short totcol;
  short _pad3[3];
 
#ifdef __cplusplus
  blender::Span<blender::float3> positions() const;
  blender::MutableSpan<blender::float3> positions_for_write();
 
  blender::VArray<float> radius() const;
  blender::MutableSpan<float> radius_for_write();
 
  blender::bke::AttributeAccessor attributes() const;
  blender::bke::MutableAttributeAccessor attributes_for_write();
 
  void tag_positions_changed();
  void tag_radii_changed();
 
  std::optional<blender::Bounds<blender::float3>> bounds_min_max(bool use_radius = true) const;

  std::optional<int> material_index_max() const;
 
  blender::bke::BVHTreeFromPointCloud bvh_tree() const;
 
  void count_memory(blender::MemoryCounter &memory) const;
#endif
 
  PointCloudRuntimeHandle *runtime;
 
  /* Draw Cache */
  void *batch_cache;
} PointCloud;

enum {
  PT_DS_EXPAND = (1 << 0),
};
 
/* Only one material supported currently. */
#define POINTCLOUD_MATERIAL_NR 1