#include <hair.h>

Inherits Geometry.

Classes
struct	Curve

Public Member Functions
	Hair ()

	~Hair ()

void	clear (bool preserve_shaders=false) override

void	resize_curves (int numcurves, int numkeys)

void	reserve_curves (int numcurves, int numkeys)

void	add_curve_key (float3 loc, float radius)

void	add_curve (int first_key, int shader)

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

Curve	get_curve (size_t i) const

size_t	num_keys () const

size_t	num_curves () const

size_t	num_segments () const

void	get_uv_tiles (ustring map, unordered_set< int > &tiles) override

void	pack_curves (Scene scene, float4 curve_key_co, KernelCurve curve, KernelCurveSegment curve_segments)

PrimitiveType	primitive_type () const override

bool	need_shadow_transparency ()

bool	update_shadow_transparency (Device device, Scene scene, Progress &progress)

Public Member Functions inherited from Geometry
	Geometry (const NodeType *node_type, const Type type)

virtual	~Geometry ()

bool	need_attribute (Scene *scene, AttributeStandard std)

bool	need_attribute (Scene *scene, ustring name)

AttributeRequestSet	needed_attributes ()

float	motion_time (int step) const

int	motion_step (float time) const

void	compute_bvh (Device device, DeviceScene dscene, SceneParams params, Progress progress, size_t n, size_t total)

bool	need_build_bvh (BVHLayout layout) const

bool	is_instanced () const

bool	has_true_displacement () const

bool	has_motion_blur () const

bool	has_voxel_attributes () const

bool	is_mesh () const

bool	is_hair () const

bool	is_pointcloud () const

bool	is_volume () const

void	tag_update (Scene *scene, bool rebuild)

void	tag_bvh_update (bool rebuild)

Public Member Functions inherited from Node
	Node (const NodeType *type, ustring name=ustring())

virtual	~Node ()=0

void	set (const SocketType &input, bool value)

void	set (const SocketType &input, int value)

void	set (const SocketType &input, uint value)

void	set (const SocketType &input, uint64_t value)

void	set (const SocketType &input, float value)

void	set (const SocketType &input, float2 value)

void	set (const SocketType &input, float3 value)

void	set (const SocketType &input, const char *value)

void	set (const SocketType &input, ustring value)

void	set (const SocketType &input, const Transform &value)

void	set (const SocketType &input, Node *value)

template<class ValueType , std::enable_if_t< std::is_enum_v< ValueType >, bool > = true>
void	set (const SocketType &input, const ValueType &value)

void	set (const SocketType &input, array< bool > &value)

void	set (const SocketType &input, array< int > &value)

void	set (const SocketType &input, array< float > &value)

void	set (const SocketType &input, array< float2 > &value)

void	set (const SocketType &input, array< float3 > &value)

void	set (const SocketType &input, array< ustring > &value)

void	set (const SocketType &input, array< Transform > &value)

void	set (const SocketType &input, array< Node * > &value)

bool	get_bool (const SocketType &input) const

int	get_int (const SocketType &input) const

uint	get_uint (const SocketType &input) const

uint64_t	get_uint64 (const SocketType &input) const

float	get_float (const SocketType &input) const

float2	get_float2 (const SocketType &input) const

float3	get_float3 (const SocketType &input) const

ustring	get_string (const SocketType &input) const

Transform	get_transform (const SocketType &input) const

Node *	get_node (const SocketType &input) const

const array< bool > &	get_bool_array (const SocketType &input) const

const array< int > &	get_int_array (const SocketType &input) const

const array< float > &	get_float_array (const SocketType &input) const

const array< float2 > &	get_float2_array (const SocketType &input) const

const array< float3 > &	get_float3_array (const SocketType &input) const

const array< ustring > &	get_string_array (const SocketType &input) const

const array< Transform > &	get_transform_array (const SocketType &input) const

const array< Node * > &	get_node_array (const SocketType &input) const

bool	has_default_value (const SocketType &input) const

void	set_default_value (const SocketType &input)

bool	equals_value (const Node &other, const SocketType &input) const

void	copy_value (const SocketType &input, const Node &other, const SocketType &other_input)

void	set_value (const SocketType &input, const Node &other, const SocketType &other_input)

bool	equals (const Node &other) const

void	hash (MD5Hash &md5)

size_t	get_total_size_in_bytes () const

bool	is_a (const NodeType *type)

bool	socket_is_modified (const SocketType &input) const

bool	is_modified () const

void	tag_modified ()

void	clear_modified ()

void	print_modified_sockets () const

const NodeOwner *	get_owner () const

void	set_owner (const NodeOwner *owner_)

int	reference_count () const

void	reference ()

void	dereference ()

void	clear_reference_count ()

Public Attributes
size_t	curve_key_offset

size_t	curve_segment_offset

CurveShapeType	curve_shape

Public Attributes inherited from Geometry
Type	geometry_type

AttributeSet	attributes

BoundBox	bounds

bool	transform_applied

bool	transform_negative_scaled

Transform	transform_normal

BVH *	bvh

size_t	attr_map_offset

size_t	prim_offset

bool	has_volume

bool	has_surface_bssrdf

bool	need_update_rebuild

bool	need_update_bvh_for_offset

size_t	index

Public Attributes inherited from Node
ustring	name

const NodeType *	type

InternalNode	internal

LeafNode	leaf

Additional Inherited Members
Public Types inherited from Geometry
enum	Type { MESH , HAIR , VOLUME , POINTCLOUD }

Static Public Attributes inherited from Geometry
static const uint	MAX_MOTION_STEPS = 129

Protected Member Functions inherited from Node
template<typename T >
void	set_if_different (const SocketType &input, T value)

void	set_if_different (const SocketType &input, Node *value)

template<typename T >
void	set_if_different (const SocketType &input, array< T > &value)

void	set_if_different (const SocketType &input, array< Node * > &value)

void	dereference_all_used_nodes ()

Static Protected Member Functions inherited from Node
template<typename T >
static T &	get_socket_value (const Node *node, const SocketType &socket)

Protected Attributes inherited from Node
const NodeOwner *	owner

int	ref_count {0}

SocketModifiedFlags	socket_modified

Detailed Description

Definition at line 14 of file hair.h.

Constructor & Destructor Documentation

◆ Hair()

Hair::Hair ( )

Definition at line 311 of file hair.cpp.

References curve_key_offset, CURVE_RIBBON, curve_segment_offset, and curve_shape.

◆ ~Hair()

Hair::~Hair ( )

Definition at line 318 of file hair.cpp.

Member Function Documentation

◆ add_curve()

void Hair::add_curve	(	int	first_key,
		int	shader )

Definition at line 361 of file hair.cpp.

◆ add_curve_key()

void Hair::add_curve_key	(	float3	loc,
		float	radius )

Definition at line 352 of file hair.cpp.

◆ apply_transform()

void Hair::apply_transform	(	const Transform &	tfm,
		const bool	apply_to_motion )

overridevirtual

Implements Geometry.

Definition at line 464 of file hair.cpp.

References ATTR_STD_MOTION_VERTEX_POSITION, cross(), Attribute::data_float4(), dot(), fabsf, float3_to_float4(), float4_to_float3(), powf, transform_get_column(), and transform_point().

◆ clear()

void Hair::clear ( bool preserve_shaders = false )

overridevirtual

Reimplemented from Geometry.

Definition at line 340 of file hair.cpp.

References Geometry::clear().

◆ compute_bounds()

void Hair::compute_bounds ( )

overridevirtual

Implements Geometry.

Definition at line 396 of file hair.cpp.

References ATTR_STD_MOTION_VERTEX_POSITION, Geometry::bounds, Attribute::data_float4(), BoundBox::empty, float4_to_float3(), get_curve(), BoundBox::grow(), BoundBox::grow_safe(), num_curves(), num_segments(), BoundBox::size(), BoundBox::valid(), and zero_float3().

◆ copy_center_to_motion_step()

void Hair::copy_center_to_motion_step ( const int motion_step )

Definition at line 370 of file hair.cpp.

References ATTR_STD_MOTION_VERTEX_POSITION, Attribute::data_float3(), and Geometry::motion_step().

◆ get_curve()

Curve Hair::get_curve ( size_t i ) const

inline

Definition at line 112 of file hair.h.

References curve.

Referenced by compute_bounds(), and pack_curves().

◆ get_uv_tiles()

void Hair::get_uv_tiles	(	ustring	map,
		unordered_set< int > &	tiles )

overridevirtual

Implements Geometry.

Definition at line 380 of file hair.cpp.

References ATTR_PRIM_GEOMETRY, ATTR_STD_UV, Attribute::get_uv_tiles(), and tiles.

◆ need_shadow_transparency()

bool Hair::need_shadow_transparency ( )

Definition at line 601 of file hair.cpp.

References node.

Referenced by GeometryManager::device_update_displacement_images(), and update_shadow_transparency().

◆ num_curves()

size_t Hair::num_curves ( ) const

inline

Definition at line 126 of file hair.h.

Referenced by compute_bounds(), GeometryManager::device_update_mesh(), Attribute::element_size(), and pack_curves().

◆ num_keys()

size_t Hair::num_keys ( ) const

inline

Definition at line 121 of file hair.h.

Referenced by Hair::Curve::bounds_grow(), Hair::Curve::bounds_grow(), Hair::Curve::cardinal_keys_for_step(), Hair::Curve::keys_for_step(), and update_shadow_transparency().

◆ num_segments()

size_t Hair::num_segments ( ) const

inline

Definition at line 131 of file hair.h.

Referenced by compute_bounds().

◆ pack_curves()

void Hair::pack_curves	(	Scene *	scene,
		float4 *	curve_key_co,
		KernelCurve *	curve,
		KernelCurveSegment *	curve_segments )

Definition at line 505 of file hair.cpp.

References curve_key_offset, get_curve(), Geometry::index, make_float4(), num_curves(), KernelCurveSegment::prim, Geometry::prim_offset, PRIMITIVE_PACK_SEGMENT, primitive_type(), KernelCurveSegment::type, Node::type, and z().

Referenced by GeometryManager::device_update_mesh().

◆ primitive_type()

PrimitiveType Hair::primitive_type ( ) const

overridevirtual

Implements Geometry.

Definition at line 548 of file hair.cpp.

References CURVE_RIBBON, curve_shape, Geometry::has_motion_blur(), PRIMITIVE_CURVE_RIBBON, PRIMITIVE_CURVE_THICK, PRIMITIVE_MOTION_CURVE_RIBBON, and PRIMITIVE_MOTION_CURVE_THICK.

Referenced by pack_curves().

◆ reserve_curves()

void Hair::reserve_curves	(	int	numcurves,
		int	numkeys )

Definition at line 330 of file hair.cpp.

◆ resize_curves()

void Hair::resize_curves	(	int	numcurves,
		int	numkeys )

Definition at line 320 of file hair.cpp.

◆ update_shadow_transparency()

bool Hair::update_shadow_transparency	(	Device *	device,
		Scene *	scene,
		Progress &	progress )

Definition at line 613 of file hair.cpp.

References Attribute::add(), ATTR_STD_SHADOW_TRANSPARENCY, Attribute::data_float(), ShaderEval::eval(), fill_shader_input(), function_bind, need_shadow_transparency(), num_keys(), OBJECT_NONE, read_shader_output(), Progress::set_status(), SHADER_EVAL_CURVE_SHADOW_TRANSPARENCY, and string_printf().

Member Data Documentation

◆ curve_key_offset

size_t Hair::curve_key_offset

Definition at line 90 of file hair.h.

Referenced by GeometryManager::geom_calc_offset(), Hair(), and pack_curves().

◆ curve_segment_offset

size_t Hair::curve_segment_offset

Definition at line 91 of file hair.h.

Referenced by Hair().

◆ curve_shape

CurveShapeType Hair::curve_shape

Definition at line 92 of file hair.h.

Referenced by Hair(), and primitive_type().

The documentation for this class was generated from the following files:

Classes

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Hair()

◆ ~Hair()

Member Function Documentation

◆ add_curve()

◆ add_curve_key()

◆ apply_transform()

◆ clear()

◆ compute_bounds()

◆ copy_center_to_motion_step()

◆ get_curve()

◆ get_uv_tiles()

◆ need_shadow_transparency()

◆ num_curves()

◆ num_keys()

◆ num_segments()

◆ pack_curves()

◆ primitive_type()

◆ reserve_curves()

◆ resize_curves()

◆ update_shadow_transparency()

Member Data Documentation

◆ curve_key_offset

◆ curve_segment_offset

◆ curve_shape