Indicates which set of lights should be considered "on" to illuminate geometry at this level and below. More...

#include "lightAttrib.h"

Inheritance diagram for LightAttrib:

Classes
class	BamAuxData

Public Types
typedef pvector< PointerTo< PandaNode > >	NodeList

enum	Operation { O_set , O_add , O_remove }

Public Types inherited from RenderAttrib
enum	PandaCompareFunc { M_none =0 , M_never , M_less , M_equal , M_less_equal , M_greater , M_not_equal , M_greater_equal , M_always }

enum	TexGenMode { M_off , M_eye_sphere_map , M_world_cube_map , M_eye_cube_map , M_world_normal , M_eye_normal , M_world_position , M_unused , M_eye_position , M_point_sprite , M_unused2 , M_constant }

Public Member Functions
virtual	~LightAttrib ()
	Destructor.

ConstPointerTo< RenderAttrib >	add_light (Light *light) const
	Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights.

ConstPointerTo< RenderAttrib >	add_off_light (const NodePath &light) const
	Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights turned off by this attrib.

ConstPointerTo< RenderAttrib >	add_on_light (const NodePath &light) const
	Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights turned on by this attrib.

virtual int	complete_pointers (TypedWritable *plist, BamReader manager)
	Receives an array of pointers, one for each time manager->read_pointer() was called in fillin().

virtual void	finalize (BamReader *manager)
	Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed.

virtual TypeHandle	force_init_type ()

LColor	get_ambient_contribution () const
	Returns the total contribution of all the ambient lights.

Light *	get_light (int n) const
	Returns the nth light listed in the attribute.

NodePath	get_most_important_light () const
	Returns the most important light (that is, the light with the highest priority) in the LightAttrib, excluding any ambient lights.

int	get_num_lights () const
	Returns the number of lights listed in the attribute.

size_t	get_num_non_ambient_lights () const
	Returns the number of non-ambient lights that are turned on by this attribute.

size_t	get_num_off_lights () const

size_t	get_num_on_lights () const

NodePath	get_off_light (size_t n) const

NodePath	get_on_light (size_t n) const

Operation	get_operation () const
	Returns the basic operation type of the LightAttrib.

virtual int	get_slot () const

virtual TypeHandle	get_type () const

bool	has_all_off () const
	Returns true if this attrib turns off all lights (although it may also turn some on).

bool	has_any_on_light () const
	Returns true if any light is turned on by the attrib, false otherwise.

bool	has_light (Light *light) const
	Returns true if the indicated light is listed in the attrib, false otherwise.

bool	has_off_light (const NodePath &light) const
	Returns true if the indicated light is turned off by the attrib, false otherwise.

bool	has_on_light (const NodePath &light) const
	Returns true if the indicated light is turned on by the attrib, false otherwise.

bool	is_identity () const
	Returns true if this is an identity attrib: it does not change the set of lights in use.

virtual void	output (std::ostream &out) const

ConstPointerTo< RenderAttrib >	remove_light (Light *light) const
	Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights.

ConstPointerTo< RenderAttrib >	remove_off_light (const NodePath &light) const
	Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights turned off by this attrib.

ConstPointerTo< RenderAttrib >	remove_on_light (const NodePath &light) const
	Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights turned on by this attrib.

ConstPointerTo< RenderAttrib >	replace_off_light (const NodePath &source, const NodePath &dest) const
	Returns a new LightAttrib, just like this one, but with the indicated light replaced with the given other light.

ConstPointerTo< RenderAttrib >	replace_on_light (const NodePath &source, const NodePath &dest) const
	Returns a new LightAttrib, just like this one, but with the indicated light replaced with the given other light.

virtual void	write (std::ostream &out, int indent_level) const

virtual void	write_datagram (BamWriter *manager, Datagram &dg)
	Writes the contents of this object to the datagram for shipping out to a Bam file.

Public Member Functions inherited from RenderAttrib
	RenderAttrib (const RenderAttrib &copy)=delete

virtual	~RenderAttrib ()
	The destructor is responsible for removing the RenderAttrib from the global set if it is there.

int	compare_to (const RenderAttrib &other) const

	CPT (RenderAttrib) compose(const RenderAttrib *other) const

	CPT (RenderAttrib) get_unique() const

	CPT (RenderAttrib) invert_compose(const RenderAttrib *other) const

virtual bool	cull_callback (CullTraverser *trav, const CullTraverserData &data) const
	If has_cull_callback() returns true, this function will be called during the cull traversal to perform any additional operations that should be performed at cull time.

size_t	get_hash () const

virtual bool	has_cull_callback () const
	Should be overridden by derived classes to return true if cull_callback() has been defined.

virtual bool	lower_attrib_can_override () const
	Intended to be overridden by derived RenderAttrib types to specify how two consecutive RenderAttrib objects of the same type interact.

RenderAttrib &	operator= (const RenderAttrib &copy)=delete

virtual bool	unref () const final
	This method overrides ReferenceCount::unref() to clear the pointer from the global object pool when its reference count goes to zero.

Public Member Functions inherited from TypedWritableReferenceCount
	TypedWritableReferenceCount (const TypedWritableReferenceCount &copy)

virtual ReferenceCount *	as_reference_count ()
	Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type.

void	operator= (const TypedWritableReferenceCount &copy)

Public Member Functions inherited from TypedWritable
	TypedWritable (const TypedWritable &copy)

vector_uchar	encode_to_bam_stream () const
	Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object.

bool	encode_to_bam_stream (vector_uchar &data, BamWriter *writer=nullptr) const
	Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string.

UpdateSeq	get_bam_modified () const
	Returns the current bam_modified counter.

void	mark_bam_modified ()
	Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams.

void	operator= (const TypedWritable &copy)

virtual bool	require_fully_complete () const
	Some objects require all of their nested pointers to have been completed before the objects themselves can be completed.

virtual void	update_bam_nested (BamWriter *manager)
	Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates.

Public Member Functions inherited from TypedObject
	TypedObject (const TypedObject &copy)=default

TypedObject *	as_typed_object ()
	Returns the object, upcast (if necessary) to a TypedObject pointer.

const TypedObject *	as_typed_object () const
	Returns the object, upcast (if necessary) to a TypedObject pointer.

int	get_best_parent_from_Set (const std::set< int > &) const

int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.

bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly.

bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type.

TypedObject &	operator= (const TypedObject &copy)=default

Public Member Functions inherited from MemoryBase
void	operator delete (void , void )

void	operator delete (void *ptr)

void	operator delete[] (void , void )

void	operator delete[] (void *ptr)

void *	operator new (size_t size)

void *	operator new (size_t size, void *ptr)

void *	operator new[] (size_t size)

void *	operator new[] (size_t size, void *ptr)

Public Member Functions inherited from ReferenceCount
int	get_ref_count () const

WeakReferenceList *	get_weak_list () const
	Returns the WeakReferenceList associated with this ReferenceCount object.

bool	has_weak_list () const
	Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.

void	local_object ()
	This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.

void	ref () const
	Explicitly increments the reference count.

bool	ref_if_nonzero () const
	Atomically increases the reference count of this object if it is not zero.

bool	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus.

bool	test_ref_count_nonzero () const
	Does some easy checks to make sure that the reference count isn't zero, or completely bogus.

bool	unref_if_one () const
	Atomically decreases the reference count of this object if it is one.

WeakReferenceList *	weak_ref ()
	Adds the indicated PointerToVoid as a weak reference to this object.

void	weak_unref ()
	Removes the indicated PointerToVoid as a weak reference to this object.

Static Public Member Functions
static int	get_class_slot ()

static TypeHandle	get_class_type ()

static void	init_type ()

static ConstPointerTo< RenderAttrib >	make ()
	Constructs a new LightAttrib object that does nothing.

static ConstPointerTo< RenderAttrib >	make (Operation op, Light *light)
	Constructs a new LightAttrib object that turns on (or off, according to op) the indicated light(s).

static ConstPointerTo< RenderAttrib >	make (Operation op, Light light1, Light light2)
	Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

static ConstPointerTo< RenderAttrib >	make (Operation op, Light light1, Light light2, Light *light3)
	Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

static ConstPointerTo< RenderAttrib >	make (Operation op, Light light1, Light light2, Light light3, Light light4)
	Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

static ConstPointerTo< RenderAttrib >	make_all_off ()
	Constructs a new LightAttrib object that turns off all lights (and hence disables lighting).

static ConstPointerTo< RenderAttrib >	make_default ()
	Returns a RenderAttrib that corresponds to whatever the standard default properties for render attributes of this type ought to be.

static void	register_with_read_factory ()
	Tells the BamReader how to create objects of type LightAttrib.

Static Public Member Functions inherited from RenderAttrib
static TypedWritable *	change_this (TypedWritable old_ptr, BamReader manager)
	Called immediately after complete_pointers(), this gives the object a chance to adjust its own pointer if desired.

static int	garbage_collect ()
	Performs a garbage-collection cycle.

static TypeHandle	get_class_type ()

static int	get_num_attribs ()
	Returns the total number of unique RenderAttrib objects allocated in the world.

static void	init_attribs ()
	Make sure the global _attribs map is allocated.

static void	init_type ()

static void	list_attribs (std::ostream &out)
	Lists all of the RenderAttribs in the cache to the output stream, one per line.

static int	register_slot (TypeHandle type_handle, int sort, RenderAttrib *default_attrib)
	Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot number.

static bool	validate_attribs ()
	Ensures that the cache is still stored in sorted order.

Static Public Member Functions inherited from TypedWritableReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

static	PT (TypedWritableReferenceCount) decode_from_bam_stream(vector_uchar data

Static Public Member Functions inherited from TypedWritable
static bool	decode_raw_from_bam_stream (TypedWritable &ptr, ReferenceCount &ref_ptr, vector_uchar data, BamReader *reader=nullptr)
	Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts the single object on those bytes.

static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from TypedObject
static TypeHandle	get_class_type ()

static void	init_type ()
	This function is declared non-inline to work around a compiler bug in g++ 2.96.

Static Public Member Functions inherited from ReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

Public Attributes
	get_class_slot

	get_num_off_lights
	Returns the number of lights that are turned off by the attribute.

	get_num_on_lights
	Returns the number of lights that are turned on by the attribute.

	get_off_light
	Returns the nth light turned off by the attribute, sorted in arbitrary (pointer) order.

	get_on_light
	Returns the nth light turned on by the attribute, sorted in render order.

Public Attributes inherited from RenderAttrib
	get_slot

Public Attributes inherited from TypedWritableReferenceCount
static BamReader *	reader = nullptr)

Public Attributes inherited from TypedObject
	get_type

Public Attributes inherited from ReferenceCount
	get_ref_count
	Returns the current reference count.

Additional Inherited Members
Static Public Attributes inherited from TypedWritable
static TypedWritable *const	Null = nullptr

Detailed Description

Indicates which set of lights should be considered "on" to illuminate geometry at this level and below.

A LightAttrib can either add lights or remove lights from the total set of "on" lights.

Definition at line 30 of file lightAttrib.h.

Member Typedef Documentation

◆ NodeList

typedef pvector< PointerTo< PandaNode > > LightAttrib::NodeList

Definition at line 140 of file lightAttrib.h.

Member Enumeration Documentation

◆ Operation

enum LightAttrib::Operation

Definition at line 40 of file lightAttrib.h.

Constructor & Destructor Documentation

◆ ~LightAttrib()

LightAttrib::~LightAttrib ( )

virtual

Destructor.

Definition at line 73 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_unref(), NodePath::is_empty(), and NodePath::node().

Member Function Documentation

◆ add_light()

ConstPointerTo< RenderAttrib > LightAttrib::add_light ( Light * light ) const

Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights.

Definition at line 344 of file lightAttrib.cxx.

References add_off_light(), add_on_light(), and get_num_off_lights.

◆ add_off_light()

ConstPointerTo< RenderAttrib > LightAttrib::add_off_light ( const NodePath & light ) const

Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights turned off by this attrib.

Definition at line 481 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_unref(), NodePath::is_empty(), and NodePath::node().

Referenced by add_light(), and NodePath::set_light_off().

◆ add_on_light()

ConstPointerTo< RenderAttrib > LightAttrib::add_on_light ( const NodePath & light ) const

Returns a new LightAttrib, just like this one, but with the indicated light added to the list of lights turned on by this attrib.

Definition at line 409 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_ref(), NodePath::is_empty(), and NodePath::node().

Referenced by add_light(), and NodePath::set_light().

◆ complete_pointers()

int LightAttrib::complete_pointers	(	TypedWritable **	p_list,
		BamReader *	manager )

virtual

Receives an array of pointers, one for each time manager->read_pointer() was called in fillin().

Returns the number of pointers processed.

Reimplemented from TypedWritable.

Definition at line 1011 of file lightAttrib.cxx.

References TypedWritable::complete_pointers(), BamReader::get_aux_data(), and BamReader::get_file_minor_ver().

◆ finalize()

void LightAttrib::finalize ( BamReader * manager )

virtual

Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed.

Reimplemented from RenderAttrib.

Definition at line 1052 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_ref(), AttribNodeRegistry::find_node(), BamReader::get_aux_data(), BamReader::get_file_minor_ver(), and AttribNodeRegistry::get_node.

◆ force_init_type()

virtual TypeHandle LightAttrib::force_init_type ( )

inlinevirtual

Reimplemented from RenderAttrib.

Definition at line 175 of file lightAttrib.h.

◆ get_ambient_contribution()

LColor LightAttrib::get_ambient_contribution ( ) const

Returns the total contribution of all the ambient lights.

Definition at line 559 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::get_color, Light::is_ambient_light(), and NodePath::node().

Referenced by GraphicsStateGuardian::do_issue_light(), and GraphicsStateGuardian::fetch_specified_part().

◆ get_class_slot()

static int LightAttrib::get_class_slot ( )

inlinestatic

Definition at line 130 of file lightAttrib.h.

◆ get_class_type()

static TypeHandle LightAttrib::get_class_type ( )

inlinestatic

Definition at line 163 of file lightAttrib.h.

◆ get_light()

Light * LightAttrib::get_light ( int n ) const

Returns the nth light listed in the attribute.

Definition at line 306 of file lightAttrib.cxx.

References get_num_off_lights, get_off_light, and get_on_light.

◆ get_most_important_light()

NodePath LightAttrib::get_most_important_light ( ) const

Returns the most important light (that is, the light with the highest priority) in the LightAttrib, excluding any ambient lights.

Returns an empty NodePath if no non-ambient lights are found.

Definition at line 545 of file lightAttrib.cxx.

◆ get_num_lights()

int LightAttrib::get_num_lights ( ) const

Returns the number of lights listed in the attribute.

Definition at line 287 of file lightAttrib.cxx.

References get_num_off_lights, and get_num_on_lights.

◆ get_num_non_ambient_lights()

size_t LightAttrib::get_num_non_ambient_lights ( ) const

inline

Returns the number of non-ambient lights that are turned on by this attribute.

Definition at line 34 of file lightAttrib.I.

Referenced by GraphicsStateGuardian::do_issue_light(), GraphicsStateGuardian::fetch_specified_part(), and GraphicsStateGuardian::fetch_specified_texture().

◆ get_operation()

LightAttrib::Operation LightAttrib::get_operation ( ) const

Returns the basic operation type of the LightAttrib.

If this is O_set, the lights listed here completely replace any lights that were already on. If this is O_add, the lights here are added to the set of lights that were already on, and if O_remove, the lights here are removed from the set of lights that were on.

Definition at line 264 of file lightAttrib.cxx.

References get_num_off_lights, and has_all_off().

◆ get_slot()

virtual int LightAttrib::get_slot ( ) const

inlinevirtual

Implements RenderAttrib.

Definition at line 133 of file lightAttrib.h.

◆ get_type()

virtual TypeHandle LightAttrib::get_type ( ) const

inlinevirtual

Reimplemented from RenderAttrib.

Definition at line 172 of file lightAttrib.h.

◆ has_all_off()

bool LightAttrib::has_all_off ( ) const

inline

Returns true if this attrib turns off all lights (although it may also turn some on).

Definition at line 99 of file lightAttrib.I.

Referenced by get_operation(), and NodePath::has_light_off().

◆ has_any_on_light()

bool LightAttrib::has_any_on_light ( ) const

inline

Returns true if any light is turned on by the attrib, false otherwise.

Definition at line 62 of file lightAttrib.I.

Referenced by GraphicsStateGuardian::do_issue_light(), and GraphicsStateGuardian::fetch_specified_part().

◆ has_light()

bool LightAttrib::has_light ( Light * light ) const

Returns true if the indicated light is listed in the attrib, false otherwise.

Definition at line 326 of file lightAttrib.cxx.

References get_num_off_lights, has_off_light(), and has_on_light().

◆ has_off_light()

bool LightAttrib::has_off_light ( const NodePath & light ) const

inline

Returns true if the indicated light is turned off by the attrib, false otherwise.

Definition at line 89 of file lightAttrib.I.

References has_on_light().

Referenced by has_light(), and NodePath::has_light_off().

◆ has_on_light()

bool LightAttrib::has_on_light ( const NodePath & light ) const

inline

Returns true if the indicated light is turned on by the attrib, false otherwise.

Definition at line 54 of file lightAttrib.I.

Referenced by has_light(), NodePath::has_light(), and has_off_light().

◆ init_type()

static void LightAttrib::init_type ( )

inlinestatic

Definition at line 166 of file lightAttrib.h.

◆ is_identity()

bool LightAttrib::is_identity ( ) const

inline

Returns true if this is an identity attrib: it does not change the set of lights in use.

Definition at line 108 of file lightAttrib.I.

◆ make() [1/5]

ConstPointerTo< RenderAttrib > LightAttrib::make ( )

static

Constructs a new LightAttrib object that does nothing.

Definition at line 377 of file lightAttrib.cxx.

Referenced by make(), make(), make(), and make().

◆ make() [2/5]

ConstPointerTo< RenderAttrib > LightAttrib::make	(	LightAttrib::Operation	op,
		Light *	light )

static

Constructs a new LightAttrib object that turns on (or off, according to op) the indicated light(s).

Definition at line 94 of file lightAttrib.cxx.

References make(), and make_all_off().

Referenced by NodePath::set_light(), and NodePath::set_light_off().

◆ make() [3/5]

ConstPointerTo< RenderAttrib > LightAttrib::make	(	LightAttrib::Operation	op,
		Light *	light1,
		Light *	light2 )

static

Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

Definition at line 128 of file lightAttrib.cxx.

References make(), and make_all_off().

◆ make() [4/5]

ConstPointerTo< RenderAttrib > LightAttrib::make	(	LightAttrib::Operation	op,
		Light *	light1,
		Light *	light2,
		Light *	light3 )

static

Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

Definition at line 165 of file lightAttrib.cxx.

References make(), and make_all_off().

◆ make() [5/5]

ConstPointerTo< RenderAttrib > LightAttrib::make	(	LightAttrib::Operation	op,
		Light *	light1,
		Light *	light2,
		Light *	light3,
		Light *	light4 )

static

Constructs a new LightAttrib object that turns on (or off, according to op) the indicate light(s).

Definition at line 206 of file lightAttrib.cxx.

References make(), and make_all_off().

◆ make_all_off()

ConstPointerTo< RenderAttrib > LightAttrib::make_all_off ( )

static

Constructs a new LightAttrib object that turns off all lights (and hence disables lighting).

Definition at line 392 of file lightAttrib.cxx.

Referenced by make(), make(), make(), make(), and NodePath::set_light_off().

◆ make_default()

ConstPointerTo< RenderAttrib > LightAttrib::make_default ( )

static

Returns a RenderAttrib that corresponds to whatever the standard default properties for render attributes of this type ought to be.

Definition at line 248 of file lightAttrib.cxx.

◆ output()

void LightAttrib::output ( std::ostream & out ) const

virtual

Reimplemented from RenderAttrib.

Definition at line 581 of file lightAttrib.cxx.

◆ register_with_read_factory()

void LightAttrib::register_with_read_factory ( )

static

Tells the BamReader how to create objects of type LightAttrib.

Definition at line 962 of file lightAttrib.cxx.

References BamReader::get_factory(), and Factory< Type >::register_factory().

Referenced by init_libpgraph().

◆ remove_light()

ConstPointerTo< RenderAttrib > LightAttrib::remove_light ( Light * light ) const

Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights.

Definition at line 362 of file lightAttrib.cxx.

References get_num_off_lights, remove_off_light(), and remove_on_light().

◆ remove_off_light()

ConstPointerTo< RenderAttrib > LightAttrib::remove_off_light ( const NodePath & light ) const

Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights turned off by this attrib.

Definition at line 501 of file lightAttrib.cxx.

References PandaNode::as_light(), NodePath::is_empty(), and NodePath::node().

Referenced by NodePath::clear_light(), and remove_light().

◆ remove_on_light()

ConstPointerTo< RenderAttrib > LightAttrib::remove_on_light ( const NodePath & light ) const

Returns a new LightAttrib, just like this one, but with the indicated light removed from the list of lights turned on by this attrib.

Definition at line 433 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_unref(), NodePath::is_empty(), and NodePath::node().

Referenced by NodePath::clear_light(), and remove_light().

◆ replace_off_light()

ConstPointerTo< RenderAttrib > LightAttrib::replace_off_light	(	const NodePath &	source,
		const NodePath &	dest ) const

Returns a new LightAttrib, just like this one, but with the indicated light replaced with the given other light.

Definition at line 513 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_ref(), Light::attrib_unref(), ordered_vector< Key, Compare, Vector >::end(), NodePath::is_empty(), NodePath::node(), and ov_set< Key, Compare, Vector >::sort().

Referenced by NodePath::copy_to().

◆ replace_on_light()

ConstPointerTo< RenderAttrib > LightAttrib::replace_on_light	(	const NodePath &	source,
		const NodePath &	dest ) const

Returns a new LightAttrib, just like this one, but with the indicated light replaced with the given other light.

Definition at line 450 of file lightAttrib.cxx.

References PandaNode::as_light(), Light::attrib_ref(), Light::attrib_unref(), ordered_vector< Key, Compare, Vector >::end(), NodePath::is_empty(), NodePath::node(), and ov_set< Key, Compare, Vector >::sort().

Referenced by NodePath::copy_to().

◆ write()

void LightAttrib::write	(	std::ostream &	out,
		int	indent_level ) const

virtual

Reimplemented from RenderAttrib.

Definition at line 630 of file lightAttrib.cxx.

◆ write_datagram()

void LightAttrib::write_datagram	(	BamWriter *	manager,
		Datagram &	dg )

virtual

Writes the contents of this object to the datagram for shipping out to a Bam file.

Reimplemented from RenderAttrib.

Definition at line 971 of file lightAttrib.cxx.

References Datagram::add_bool(), Datagram::add_uint16(), BamWriter::get_file_minor_ver(), get_num_off_lights, get_num_on_lights, RenderAttrib::write_datagram(), and BamWriter::write_pointer().

Member Data Documentation

◆ get_class_slot

LightAttrib::get_class_slot

Definition at line 136 of file lightAttrib.h.

◆ get_num_off_lights

size_t LightAttrib::get_num_off_lights

inline

Returns the number of lights that are turned off by the attribute.

Definition at line 80 of file lightAttrib.h.

Referenced by add_light(), NodePath::copy_to(), get_light(), get_num_lights(), get_operation(), has_light(), remove_light(), and write_datagram().

◆ get_num_on_lights

size_t LightAttrib::get_num_on_lights

inline

Returns the number of lights that are turned on by the attribute.

Definition at line 74 of file lightAttrib.h.

Referenced by NodePath::copy_to(), SpeedTreeNode::cull_callback(), get_num_lights(), and write_datagram().

◆ get_off_light

NodePath LightAttrib::get_off_light

inline

Returns the nth light turned off by the attribute, sorted in arbitrary (pointer) order.

Definition at line 80 of file lightAttrib.h.

Referenced by NodePath::copy_to(), and get_light().

◆ get_on_light

NodePath LightAttrib::get_on_light

inline

Returns the nth light turned on by the attribute, sorted in render order.

Definition at line 74 of file lightAttrib.h.

Referenced by NodePath::copy_to(), SpeedTreeNode::cull_callback(), GraphicsStateGuardian::do_issue_light(), GraphicsStateGuardian::fetch_specified_part(), GraphicsStateGuardian::fetch_specified_texture(), and get_light().

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

panda/src/pgraph/lightAttrib.h
panda/src/pgraph/lightAttrib.cxx
panda/src/pgraph/lightAttrib.I

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ NodeList

Member Enumeration Documentation

◆ Operation

Constructor & Destructor Documentation

◆ ~LightAttrib()

Member Function Documentation

◆ add_light()

◆ add_off_light()

◆ add_on_light()

◆ complete_pointers()

◆ finalize()

◆ force_init_type()

◆ get_ambient_contribution()

◆ get_class_slot()

◆ get_class_type()

◆ get_light()

◆ get_most_important_light()

◆ get_num_lights()

◆ get_num_non_ambient_lights()

◆ get_operation()

◆ get_slot()

◆ get_type()

◆ has_all_off()

◆ has_any_on_light()

◆ has_light()

◆ has_off_light()

◆ has_on_light()

◆ init_type()

◆ is_identity()

◆ make() [1/5]

◆ make() [2/5]

◆ make() [3/5]

◆ make() [4/5]

◆ make() [5/5]

◆ make_all_off()

◆ make_default()

◆ output()

◆ register_with_read_factory()

◆ remove_light()

◆ remove_off_light()

◆ remove_on_light()

◆ replace_off_light()

◆ replace_on_light()

◆ write()

◆ write_datagram()

Member Data Documentation

◆ get_class_slot

◆ get_num_off_lights

◆ get_num_on_lights

◆ get_off_light

◆ get_on_light