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NodeVertexTransform Class Reference

This VertexTransform gets its matrix from the Transform stored on a node. More...

#include "nodeVertexTransform.h"

Inheritance diagram for NodeVertexTransform:
VertexTransform TypedWritableReferenceCount TypedWritable ReferenceCount TypedObject MemoryBase MemoryBase

Public Member Functions

 NodeVertexTransform (const PandaNode *node, const VertexTransform *prev=NULL)
 
virtual TypeHandle force_init_type ()
 
virtual void get_matrix (LMatrix4 &matrix) const
 Returns the transform of the associated node, composed with the previous VertexTransform if any, expressed as a matrix. More...
 
const PandaNodeget_node () const
 Returns the PandaNode whose transform supplies this object. More...
 
const VertexTransformget_prev () const
 Returns the VertexTransform object whose matrix will be composed with the result of this node's transform. More...
 
virtual TypeHandle get_type () const
 
virtual void output (ostream &out) const
 
- Public Member Functions inherited from VertexTransform
virtual void accumulate_matrix (LMatrix4 &accum, PN_stdfloat weight) const
 Adds the value of this transform's matrix, modified by the indicated weight, into the indicated accumulation matrix. More...
 
UpdateSeq get_modified (Thread *current_thread) const
 Returns a sequence number that's guaranteed to change at least every time the value reported by get_matrix() changes. More...
 
virtual void mult_matrix (LMatrix4 &result, const LMatrix4 &previous) const
 Premultiplies this transform's matrix with the indicated previous matrix, so that the result is the net composition of the given transform with this transform. More...
 
virtual void write (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. More...
 
- Public Member Functions inherited from TypedWritableReferenceCount
 TypedWritableReferenceCount (const TypedWritableReferenceCount &copy)
 
virtual ReferenceCountas_reference_count ()
 Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. More...
 
void operator= (const TypedWritableReferenceCount &copy)
 
- Public Member Functions inherited from TypedWritable
 TypedWritable (const TypedWritable &copy)
 
virtual int complete_pointers (TypedWritable **p_list, BamReader *manager)
 Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). More...
 
string encode_to_bam_stream () const
 Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a string string. More...
 
bool encode_to_bam_stream (string &data, BamWriter *writer=NULL) const
 Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More...
 
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. More...
 
UpdateSeq get_bam_modified () const
 Returns the current bam_modified counter. More...
 
void mark_bam_modified ()
 Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More...
 
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. More...
 
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. More...
 
- Public Member Functions inherited from TypedObject
 TypedObject (const TypedObject &copy)
 
TypedObjectas_typed_object ()
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
const TypedObjectas_typed_object () const
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
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. More...
 
bool is_exact_type (TypeHandle handle) const
 Returns true if the current object is the indicated type exactly. More...
 
bool is_of_type (TypeHandle handle) const
 Returns true if the current object is or derives from the indicated type. More...
 
void operator= (const TypedObject &copy)
 
- Public Member Functions inherited from ReferenceCount
int get_ref_count () const
 Returns the current reference count. More...
 
WeakReferenceListget_weak_list () const
 Returns the WeakReferenceList associated with this ReferenceCount object. More...
 
bool has_weak_list () const
 Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More...
 
void local_object ()
 This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More...
 
void ref () const
 Explicitly increments the reference count. More...
 
bool test_ref_count_integrity () const
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool test_ref_count_nonzero () const
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
virtual bool unref () const
 Explicitly decrements the reference count. More...
 
void weak_ref (WeakPointerToVoid *ptv)
 Adds the indicated PointerToVoid as a weak reference to this object. More...
 
void weak_unref (WeakPointerToVoid *ptv)
 Removes the indicated PointerToVoid as a weak reference to this object. More...
 

Static Public Member Functions

static TypeHandle get_class_type ()
 
static void init_type ()
 
- Static Public Member Functions inherited from VertexTransform
static TypeHandle get_class_type ()
 
static UpdateSeq get_global_modified (Thread *current_thread)
 Returns the currently highest VertexTransform::get_modified() value in the world. More...
 
static UpdateSeq get_next_modified (Thread *current_thread)
 Returns a monotonically increasing sequence. More...
 
static void init_type ()
 
- Static Public Member Functions inherited from TypedWritableReferenceCount
static TypeHandle get_class_type ()
 
static void init_type ()
 
static PT (TypedWritableReferenceCount) decode_from_bam_stream(const string &data
 
- Static Public Member Functions inherited from TypedWritable
static bool decode_raw_from_bam_stream (TypedWritable *&ptr, ReferenceCount *&ref_ptr, const string &data, BamReader *reader=NULL)
 Reads the string created by a previous call to encode_to_bam_stream(), and extracts the single object on that string. More...
 
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. More...
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle get_class_type ()
 
static void init_type ()
 

Friends

class RigidBodyCombiner
 

Additional Inherited Members

- Public Attributes inherited from TypedWritableReferenceCount
static BamReaderreader = NULL)
 
- Static Public Attributes inherited from TypedWritable
static TypedWritable *const Null = (TypedWritable*)0L
 

Detailed Description

This VertexTransform gets its matrix from the Transform stored on a node.

It can also compose its node's transform with another VertexTransform, allowing you to build up a chain of NodeVertexTransforms that represent a list of composed matrices.

Definition at line 33 of file nodeVertexTransform.h.

Member Function Documentation

void NodeVertexTransform::get_matrix ( LMatrix4 matrix) const
virtual

Returns the transform of the associated node, composed with the previous VertexTransform if any, expressed as a matrix.

Implements VertexTransform.

Definition at line 40 of file nodeVertexTransform.cxx.

const PandaNode * NodeVertexTransform::get_node ( ) const
inline

Returns the PandaNode whose transform supplies this object.

Definition at line 23 of file nodeVertexTransform.I.

const VertexTransform * NodeVertexTransform::get_prev ( ) const
inline

Returns the VertexTransform object whose matrix will be composed with the result of this node's transform.

Definition at line 34 of file nodeVertexTransform.I.


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