29 return new CData(*
this);
36void DirectionalLight::CData::
38 _specular_color.write_datagram(dg);
39 _point.write_datagram(dg);
40 _direction.write_datagram(dg);
47void DirectionalLight::CData::
49 _specular_color.read_datagram(scan);
50 _point.read_datagram(scan);
51 _direction.read_datagram(scan);
58DirectionalLight(
const std::string &name) :
60 _lenses[0]._lens->set_interocular_distance(0);
89xform(
const LMatrix4 &mat) {
92 cdata->_point = cdata->_point * mat;
93 cdata->_direction = cdata->_direction * mat;
100void DirectionalLight::
101write(std::ostream &out,
int indent_level)
const {
102 indent(out, indent_level) << *
this <<
":\n";
103 indent(out, indent_level + 2)
105 if (_has_specular_color) {
106 indent(out, indent_level + 2)
109 indent(out, indent_level + 2)
127 const LMatrix4 &to_object_space) {
129 result = -(cdata->_direction * to_object_space);
142 return (
int)CP_directional_priority;
148void DirectionalLight::
150 gsg->bind_light(
this, light, light_id);
186 node->fillin(scan, manager);
195void DirectionalLight::
197 LightLensNode::fillin(scan, manager);
200 _has_specular_color = scan.
get_bool();
202 _has_specular_color =
true;
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void parse_params(const FactoryParams ¶ms, DatagramIterator &scan, BamReader *&manager)
Takes in a FactoryParams, passed from a WritableFactory into any TypedWritable's make function,...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
int get_file_minor_ver() const
Returns the minor version number of the Bam file currently being read.
void read_cdata(DatagramIterator &scan, PipelineCyclerBase &cycler)
Reads in the indicated CycleData object.
static WritableFactory * get_factory()
Returns the global WritableFactory for generating TypedWritable objects.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
void write_cdata(Datagram &packet, const PipelineCyclerBase &cycler)
Writes out the indicated CycleData object.
int get_file_minor_ver() const
Returns the minor version number of the Bam file currently being written.
This template class calls PipelineCycler::read_unlocked(), and then provides a transparent read-only ...
This template class calls PipelineCycler::write() in the constructor and PipelineCycler::release_writ...
A single page of data maintained by a PipelineCycler.
A class to retrieve the individual data elements previously stored in a Datagram.
bool get_bool()
Extracts a boolean value.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
void add_bool(bool value)
Adds a boolean value to the datagram.
A light shining from infinitely far away in a particular direction, like sunlight.
get_direction
Returns the direction in which the light is aimed.
get_specular_color
Returns the color of specular highlights generated by the light.
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
static void register_with_read_factory()
Tells the BamReader how to create objects of type DirectionalLight.
virtual bool get_vector_to_light(LVector3 &result, const LPoint3 &from_object_point, const LMatrix4 &to_object_space)
Computes the vector from a particular vertex to this light.
virtual int get_class_priority() const
Returns the relative priority associated with all lights of this class.
virtual void xform(const LMatrix4 &mat)
Transforms the contents of this PandaNode by the indicated matrix, if it means anything to do so.
virtual PandaNode * make_copy() const
Returns a newly-allocated PandaNode that is a shallow copy of this one.
An instance of this class is passed to the Factory when requesting it to do its business and construc...
void register_factory(TypeHandle handle, CreateFunc *func, void *user_data=nullptr)
Registers a new kind of thing the Factory will be able to create.
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
virtual void xform(const LMatrix4 &mat)
Transforms the contents of this PandaNode by the indicated matrix, if it means anything to do so.
A derivative of Light and of Camera.
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
get_color
Returns the basic color of the light.
NodePath is the fundamental system for disambiguating instances, and also provides a higher-level int...
A basic node of the scene graph or data graph.
TypeHandle is the identifier used to differentiate C++ class types.
Base class for objects that can be written to and read from Bam files.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
std::ostream & indent(std::ostream &out, int indent_level)
A handy function for doing text formatting.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.