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AnimChannelMatrixXfmTable Class Reference

An animation channel that issues a matrix each frame, read from a table such as might have been read from an egg file. More...

#include "animChannelMatrixXfmTable.h"

Inheritance diagram for AnimChannelMatrixXfmTable:
AnimChannel< ACMatrixSwitchType > AnimChannelBase AnimGroup TypedWritableReferenceCount Namable TypedWritable ReferenceCount MemoryBase TypedObject MemoryBase MemoryBase

Public Member Functions

 AnimChannelMatrixXfmTable (AnimGroup *parent, const std::string &name)
 
void clear_all_tables ()
 Removes all the tables from the channel, and resets it to its initial state. More...
 
void clear_table (char table_id)
 
virtual TypeHandle force_init_type ()
 
virtual void get_hpr (int frame, LVecBase3 &hpr)
 Returns the h, p, and r components associated with the current frame. More...
 
virtual void get_pos (int frame, LVecBase3 &pos)
 Returns the x, y, and z translation components associated with the current frame. More...
 
virtual void get_quat (int frame, LQuaternion &quat)
 Returns the rotation component associated with the current frame, expressed as a quaternion. More...
 
virtual void get_scale (int frame, LVecBase3 &scale)
 Gets the scale value at the indicated frame. More...
 
virtual void get_shear (int frame, LVecBase3 &shear)
 Returns the a, b, and c shear components associated with the current frame. More...
 
CPTA_stdfloat get_table (char table_id) const
 
virtual TypeHandle get_type () const
 
virtual void get_value (int frame, LMatrix4 &mat)
 Gets the value of the channel at the indicated frame. More...
 
virtual void get_value_no_scale_shear (int frame, LMatrix4 &value)
 Gets the value of the channel at the indicated frame, without any scale or shear information. More...
 
virtual bool has_changed (int last_frame, double last_frac, int this_frame, double this_frac)
 Returns true if the value has changed since the last call to has_changed(). More...
 
bool has_table (char table_id) const
 
void set_table (char table_id, const CPTA_stdfloat &table)
 
virtual void write (std::ostream &out, int indent_level) const
 Writes a brief description of the table and all of its descendants. More...
 
virtual void write_datagram (BamWriter *manager, Datagram &me)
 Function to write the important information in the particular object to a Datagram. More...
 
- Public Member Functions inherited from AnimChannel< ACMatrixSwitchType >
 AnimChannel (AnimGroup *parent, const std::string &name)
 This is the normal constructor, which automatically places the AnimChannel in the previously-created hierarchy. More...
 
virtual void get_value (int frame, ValueType &value)=0
 
virtual void get_value_no_scale_shear (int frame, ValueType &value)
 Returns the value associated with the current frame, with no scale or share components. More...
 
virtual TypeHandle get_value_type () const
 Returns the TypeHandle associated with the ValueType we return. More...
 
- Public Member Functions inherited from AnimChannelBase
 AnimChannelBase (AnimGroup *parent, const std::string &name)
 This is the normal constructor, which automatically places the AnimChannel in the previously-created hierarchy. More...
 
- Public Member Functions inherited from AnimGroup
 AnimGroup (AnimGroup *parent, const std::string &name)
 Creates the AnimGroup, and adds it to the indicated parent. More...
 
virtual int complete_pointers (TypedWritable **p_list, BamReader *manager)
 Takes in a vector of pointes to TypedWritable objects that correspond to all the requests for pointers that this object made to BamReader. More...
 
AnimGroupfind_child (const std::string &name) const
 Returns the first descendant found with the indicated name, or NULL if no such descendant exists. More...
 
AnimGroupget_child (int n) const
 
AnimGroupget_child_named (const std::string &name) const
 Returns the first child found with the indicated name, or NULL if no such child exists. More...
 
int get_num_children () const
 
virtual void output (std::ostream &out) const
 Writes a one-line description of the group. More...
 
void sort_descendants ()
 Sorts the children nodes at each level of the hierarchy into alphabetical order. 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)
 
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. More...
 
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. 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)=default
 
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...
 
TypedObjectoperator= (const TypedObject &copy)=default
 
- Public Member Functions inherited from ReferenceCount
int get_ref_count () const
 
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 ref_if_nonzero () const
 Atomically increases the reference count of this object if it is not zero. 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...
 
WeakReferenceListweak_ref ()
 Adds the indicated PointerToVoid as a weak reference to this object. More...
 
void weak_unref ()
 Removes the indicated PointerToVoid as a weak reference to this object. More...
 
- Public Member Functions inherited from Namable
 Namable (const std::string &initial_name="")
 
void clear_name ()
 Resets the Namable's name to empty. More...
 
const std::string & get_name () const
 
bool has_name () const
 Returns true if the Namable has a nonempty name set, false if the name is empty. More...
 
void output (std::ostream &out) const
 Outputs the Namable. More...
 
void set_name (const std::string &name)
 

Static Public Member Functions

static TypeHandle get_class_type ()
 
static void init_type ()
 
static bool is_valid_id (char table_id)
 Returns true if the given letter is one of the nine valid table id's. More...
 
static TypedWritablemake_AnimChannelMatrixXfmTable (const FactoryParams &params)
 Factory method to generate an AnimChannelMatrixXfmTable object. More...
 
static void register_with_read_factory ()
 Factory method to generate an AnimChannelMatrixXfmTable object. More...
 
- Static Public Member Functions inherited from AnimChannel< ACMatrixSwitchType >
static TypeHandle get_class_type ()
 
static void init_type ()
 
- Static Public Member Functions inherited from AnimChannelBase
static TypeHandle get_class_type ()
 
static void init_type ()
 
- Static Public Member Functions inherited from AnimGroup
static TypeHandle get_class_type ()
 
static void init_type ()
 
static TypedWritablemake_AnimGroup (const FactoryParams &params)
 Factory method to generate a AnimGroup object. More...
 
static void register_with_read_factory ()
 Factory method to generate a AnimGroup object. More...
 
- 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. 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 ()
 
- Static Public Member Functions inherited from Namable
static TypeHandle get_class_type ()
 
static void init_type ()
 

Public Attributes

 clear_table
 Removes the indicated table from the definition. More...
 
 get_table
 Returns a pointer to the indicated subtable's data, if it exists, or NULL if it does not. More...
 
 has_table
 Returns true if the indicated subtable has been assigned. More...
 
 set_table
 Assigns the indicated table. More...
 
- Public Attributes inherited from AnimGroup
 get_child
 Returns the nth child of the group. More...
 
 get_num_children
 Returns the number of child nodes of the group. More...
 
- Public Attributes inherited from TypedWritableReferenceCount
static BamReaderreader = nullptr)
 
- Public Attributes inherited from TypedObject
 get_type
 
- Public Attributes inherited from ReferenceCount
 get_ref_count
 Returns the current reference count. More...
 
- Public Attributes inherited from Namable
 get_name
 
 set_name
 

Additional Inherited Members

- Public Types inherited from AnimChannel< ACMatrixSwitchType >
typedef ACMatrixSwitchType ::ValueType ValueType
 
- Static Public Attributes inherited from TypedWritable
static TypedWritable *const Null = nullptr
 

Detailed Description

An animation channel that issues a matrix each frame, read from a table such as might have been read from an egg file.

The table actually consists of nine sub-tables, each representing one component of the transform: scale, rotate, translate.

Definition at line 31 of file animChannelMatrixXfmTable.h.

Member Function Documentation

◆ clear_all_tables()

void AnimChannelMatrixXfmTable::clear_all_tables ( )

Removes all the tables from the channel, and resets it to its initial state.

Definition at line 260 of file animChannelMatrixXfmTable.cxx.

◆ get_hpr()

void AnimChannelMatrixXfmTable::get_hpr ( int  frame,
LVecBase3 &  hpr 
)
virtual

Returns the h, p, and r components associated with the current frame.

As above, this only makes sense for a matrix-type channel.

Reimplemented from AnimChannel< ACMatrixSwitchType >.

Definition at line 170 of file animChannelMatrixXfmTable.cxx.

◆ get_pos()

void AnimChannelMatrixXfmTable::get_pos ( int  frame,
LVecBase3 &  pos 
)
virtual

Returns the x, y, and z translation components associated with the current frame.

As above, this only makes sense for a matrix-type channel.

Reimplemented from AnimChannel< ACMatrixSwitchType >.

Definition at line 204 of file animChannelMatrixXfmTable.cxx.

◆ get_quat()

void AnimChannelMatrixXfmTable::get_quat ( int  frame,
LQuaternion &  quat 
)
virtual

Returns the rotation component associated with the current frame, expressed as a quaternion.

As above, this only makes sense for a matrix-type channel.

Reimplemented from AnimChannel< ACMatrixSwitchType >.

Definition at line 186 of file animChannelMatrixXfmTable.cxx.

◆ get_scale()

void AnimChannelMatrixXfmTable::get_scale ( int  frame,
LVecBase3 &  scale 
)
virtual

Gets the scale value at the indicated frame.

Reimplemented from AnimChannel< ACMatrixSwitchType >.

Definition at line 155 of file animChannelMatrixXfmTable.cxx.

◆ get_shear()

void AnimChannelMatrixXfmTable::get_shear ( int  frame,
LVecBase3 &  shear 
)
virtual

Returns the a, b, and c shear components associated with the current frame.

As above, this only makes sense for a matrix-type channel.

Reimplemented from AnimChannel< ACMatrixSwitchType >.

Definition at line 219 of file animChannelMatrixXfmTable.cxx.

◆ get_value()

void AnimChannelMatrixXfmTable::get_value ( int  frame,
LMatrix4 &  mat 
)
virtual

Gets the value of the channel at the indicated frame.

Definition at line 112 of file animChannelMatrixXfmTable.cxx.

◆ get_value_no_scale_shear()

void AnimChannelMatrixXfmTable::get_value_no_scale_shear ( int  frame,
LMatrix4 &  value 
)
virtual

Gets the value of the channel at the indicated frame, without any scale or shear information.

Definition at line 131 of file animChannelMatrixXfmTable.cxx.

◆ has_changed()

bool AnimChannelMatrixXfmTable::has_changed ( int  last_frame,
double  last_frac,
int  this_frame,
double  this_frac 
)
virtual

Returns true if the value has changed since the last call to has_changed().

last_frame is the frame number of the last call; this_frame is the current frame number.

Reimplemented from AnimChannelBase.

Definition at line 79 of file animChannelMatrixXfmTable.cxx.

◆ is_valid_id()

bool AnimChannelMatrixXfmTable::is_valid_id ( char  table_id)
inlinestatic

Returns true if the given letter is one of the nine valid table id's.

Definition at line 18 of file animChannelMatrixXfmTable.I.

◆ make_AnimChannelMatrixXfmTable()

TypedWritable * AnimChannelMatrixXfmTable::make_AnimChannelMatrixXfmTable ( const FactoryParams params)
static

Factory method to generate an AnimChannelMatrixXfmTable object.

Definition at line 514 of file animChannelMatrixXfmTable.cxx.

References parse_params().

Referenced by register_with_read_factory().

◆ register_with_read_factory()

void AnimChannelMatrixXfmTable::register_with_read_factory ( )
static

◆ write()

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

Writes a brief description of the table and all of its descendants.

Reimplemented from AnimGroup.

Definition at line 270 of file animChannelMatrixXfmTable.cxx.

References indent().

◆ write_datagram()

void AnimChannelMatrixXfmTable::write_datagram ( BamWriter manager,
Datagram me 
)
virtual

Function to write the important information in the particular object to a Datagram.

Reimplemented from AnimChannelBase.

Definition at line 327 of file animChannelMatrixXfmTable.cxx.

References AnimChannelBase::write_datagram().

Member Data Documentation

◆ clear_table

void AnimChannelMatrixXfmTable::clear_table
inline

Removes the indicated table from the definition.

Definition at line 62 of file animChannelMatrixXfmTable.h.

◆ get_table

CPTA_stdfloat AnimChannelMatrixXfmTable::get_table
inline

Returns a pointer to the indicated subtable's data, if it exists, or NULL if it does not.

Definition at line 62 of file animChannelMatrixXfmTable.h.

◆ has_table

bool AnimChannelMatrixXfmTable::has_table
inline

Returns true if the indicated subtable has been assigned.

Definition at line 62 of file animChannelMatrixXfmTable.h.

◆ set_table

void AnimChannelMatrixXfmTable::set_table

Assigns the indicated table.

table_id is one of 'i', 'j', 'k', for scale, 'a', 'b', 'c' for shear, 'h', 'p', 'r', for rotation, and 'x', 'y', 'z', for translation. The new table must have either zero, one, or get_num_frames() frames.

Definition at line 62 of file animChannelMatrixXfmTable.h.


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