Differential D10300 Diff 33525 source/blender/blenkernel/BKE_geometry_set.hh

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source/blender/blenkernel/BKE_geometry_set.hh

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#include "BKE_attribute_access.hh"		#include "BKE_attribute_access.hh"
#include "BKE_geometry_set.h"		#include "BKE_geometry_set.h"

struct Collection;		struct Collection;
struct Mesh;		struct Mesh;
struct Object;		struct Object;
struct PointCloud;		struct PointCloud;
		struct Volume;

/* Each geometry component has a specific type. The type determines what kind of data the component		/* Each geometry component has a specific type. The type determines what kind of data the component
* stores. Functions modifying a geometry will usually just modify a subset of the component types.		* stores. Functions modifying a geometry will usually just modify a subset of the component types.
*/		*/
enum class GeometryComponentType {		enum class GeometryComponentType {
Mesh = 0,		Mesh = 0,
PointCloud = 1,		PointCloud = 1,
Instances = 2,		Instances = 2,
		Volume = 3,
};		};

enum class GeometryOwnershipType {		enum class GeometryOwnershipType {
/* The geometry is owned. This implies that it can be changed. */		/* The geometry is owned. This implies that it can be changed. */
Owned = 0,		Owned = 0,
/* The geometry can be changed, but someone else is responsible for freeing it. */		/* The geometry can be changed, but someone else is responsible for freeing it. */
Editable = 1,		Editable = 1,
/* The geometry cannot be changed and someone else is responsible for freeing it. */		/* The geometry cannot be changed and someone else is responsible for freeing it. */
▲ Show 20 Lines • Show All 259 Lines • ▼ Show 20 Lines	static GeometrySet create_with_mesh(
Mesh *mesh, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);		Mesh *mesh, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);
static GeometrySet create_with_pointcloud(		static GeometrySet create_with_pointcloud(
PointCloud *pointcloud, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);		PointCloud *pointcloud, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);

/* Utility methods for access. */		/* Utility methods for access. */
bool has_mesh() const;		bool has_mesh() const;
bool has_pointcloud() const;		bool has_pointcloud() const;
bool has_instances() const;		bool has_instances() const;
		bool has_volume() const;
const Mesh *get_mesh_for_read() const;		const Mesh *get_mesh_for_read() const;
const PointCloud *get_pointcloud_for_read() const;		const PointCloud *get_pointcloud_for_read() const;
		const Volume *get_volume_for_read() const;
Mesh *get_mesh_for_write();		Mesh *get_mesh_for_write();
PointCloud *get_pointcloud_for_write();		PointCloud *get_pointcloud_for_write();
		Volume *get_volume_for_write();

/* Utility methods for replacement. */		/* Utility methods for replacement. */
void replace_mesh(Mesh *mesh, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);		void replace_mesh(Mesh *mesh, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);
void replace_pointcloud(PointCloud *pointcloud,		void replace_pointcloud(PointCloud *pointcloud,
GeometryOwnershipType ownership = GeometryOwnershipType::Owned);		GeometryOwnershipType ownership = GeometryOwnershipType::Owned);
};		};

/** A geometry component that can store a mesh. */		/** A geometry component that can store a mesh. */
▲ Show 20 Lines • Show All 109 Lines • ▼ Show 20 Lines	public:
blender::Span<int> ids() const;		blender::Span<int> ids() const;
blender::MutableSpan<blender::float4x4> transforms();		blender::MutableSpan<blender::float4x4> transforms();
int instances_amount() const;		int instances_amount() const;

bool is_empty() const final;		bool is_empty() const final;

static constexpr inline GeometryComponentType static_type = GeometryComponentType::Instances;		static constexpr inline GeometryComponentType static_type = GeometryComponentType::Instances;
};		};

		/** A geometry component that stores volume grids. */
		class VolumeComponent : public GeometryComponent {
		private:
		Volume *volume_ = nullptr;
		GeometryOwnershipType ownership_ = GeometryOwnershipType::Owned;

		public:
		VolumeComponent();
		~VolumeComponent();
		GeometryComponent *copy() const override;

		void clear();
		bool has_volume() const;
		void replace(Volume *volume, GeometryOwnershipType ownership = GeometryOwnershipType::Owned);
		Volume *release();

		const Volume *get_for_read() const;
		Volume *get_for_write();

		static constexpr inline GeometryComponentType static_type = GeometryComponentType::Volume;
		};