Panda3D
Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
TransformTable Class Reference

Stores the total set of VertexTransforms that the vertices in a particular GeomVertexData object might depend on. More...

Inheritance diagram for TransformTable:
TypedWritableReferenceCount TypedWritable ReferenceCount TypedObject

Public Member Functions

 __init__ ()
 
 __init__ (const TransformTable copy)
 
int addTransform (const VertexTransform transform)
 Adds a new transform to the table and returns the index number of the new transform. More...
 
UpdateSeq getModified (Thread current_thread)
 Returns a sequence number that's guaranteed to change at least when any VertexTransforms in the table change. More...
 
int getNumTransforms ()
 Returns the number of transforms in the table. More...
 
const VertexTransform getTransform (int n)
 Returns the nth transform in the table. More...
 
list getTransforms ()
 
 insertTransform (int n, const VertexTransform transform)
 Inserts a new transform to the table at the given index position. More...
 
bool isRegistered ()
 Returns true if this table has been registered. More...
 
TransformTable operator= (const TransformTable copy)
 
 removeTransform (int n)
 Removes the nth transform. More...
 
 setTransform (int n, const VertexTransform transform)
 Replaces the nth transform. More...
 
 write (Ostream out)
 
- Public Member Functions inherited from TypedWritable
object __reduce__ ()
 
object __reduce_persist__ (object pickler)
 
VectorUchar encodeToBamStream ()
 Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object. More...
 
bool encodeToBamStream (VectorUchar data, BamWriter writer)
 Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More...
 
 fillin (DatagramIterator scan, BamReader manager)
 This internal function is intended to be called by each class's make_from_bam() method to read in all of the relevant data from the BamFile for the new object. More...
 
UpdateSeq getBamModified ()
 Returns the current bam_modified counter. More...
 
 markBamModified ()
 Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More...
 
- Public Member Functions inherited from TypedObject
TypeHandle getType ()
 
int getTypeIndex ()
 Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...
 
bool isExactType (TypeHandle handle)
 Returns true if the current object is the indicated type exactly. More...
 
bool isOfType (TypeHandle handle)
 Returns true if the current object is or derives from the indicated type. More...
 
- Public Member Functions inherited from ReferenceCount
int getRefCount ()
 Returns the current reference count. More...
 
 ref ()
 Explicitly increments the reference count. More...
 
bool testRefCountIntegrity ()
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool testRefCountNonzero ()
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
bool unref ()
 Explicitly decrements the reference count. More...
 

Static Public Member Functions

static TypeHandle getClassType ()
 
static const TransformTable registerTable (const TransformTable table)
 Registers a TransformTable for use. More...
 
- Static Public Member Functions inherited from TypedWritableReferenceCount
static TypedWritableReferenceCount decodeFromBamStream (VectorUchar data, BamReader reader)
 Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on those bytes. More...
 
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedWritable
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedObject
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle getClassType ()
 

Public Attributes

UpdateSeq modified
 Returns a sequence number that's guaranteed to change at least when any VertexTransforms in the table change. More...
 
bool registered
 Returns true if this table has been registered. More...
 
const VertexTransform transforms []
 
- Public Attributes inherited from TypedObject
TypeHandle type
 Returns the TypeHandle representing this object's type. More...
 
- Public Attributes inherited from ReferenceCount
int ref_count
 The current reference count. More...
 

Detailed Description

Stores the total set of VertexTransforms that the vertices in a particular GeomVertexData object might depend on.

This structure is used for a GeomVertexData set up to compute its dynamic vertices on the graphics card. See TransformBlendTable for one set up to compute its dynamic vertices on the CPU.

Member Function Documentation

◆ __init__() [1/2]

__init__ ( )

◆ __init__() [2/2]

__init__ ( const TransformTable  copy)

◆ addTransform()

int addTransform ( const VertexTransform  transform)

Adds a new transform to the table and returns the index number of the new transform.

Only valid for unregistered tables.

This does not automatically uniquify the pointer; if the transform is already present in the table, it will be added twice.

◆ getClassType()

static TypeHandle getClassType ( )
static

◆ getModified()

UpdateSeq getModified ( Thread  current_thread)

Returns a sequence number that's guaranteed to change at least when any VertexTransforms in the table change.

(However, this is only true for a registered table. An unregistered table may or may not reflect an update here when a VertexTransform changes.)

◆ getNumTransforms()

int getNumTransforms ( )

Returns the number of transforms in the table.

◆ getTransform()

const VertexTransform getTransform ( int  n)

Returns the nth transform in the table.

◆ getTransforms()

list getTransforms ( )

◆ insertTransform()

insertTransform ( int  n,
const VertexTransform  transform 
)

Inserts a new transform to the table at the given index position.

If the index is beyond the end of the table, appends it to the end. Only valid for unregistered tables.

This does not automatically uniquify the pointer; if the transform is already present in the table, it will be added twice.

◆ isRegistered()

bool isRegistered ( )

Returns true if this table has been registered.

Once it has been registered, the set of transforms in a TransformTable may not be further modified; but it must be registered before it can be assigned to a Geom.

◆ operator=()

TransformTable operator= ( const TransformTable  copy)

◆ registerTable()

static const TransformTable registerTable ( const TransformTable  table)
static

Registers a TransformTable for use.

This is similar to GeomVertexFormat::register_format(). Once registered, a TransformTable may no longer be modified (although the individual VertexTransform objects may modify their reported transforms).

This must be called before a table may be used in a Geom. After this call, you should discard the original pointer you passed in (which may or may not now be invalid) and let its reference count decrement normally; you should use only the returned value from this point on.

◆ removeTransform()

removeTransform ( int  n)

Removes the nth transform.

Only valid for unregistered tables.

◆ setTransform()

setTransform ( int  n,
const VertexTransform  transform 
)

Replaces the nth transform.

Only valid for unregistered tables.

◆ write()

write ( Ostream  out)

Member Data Documentation

◆ modified

UpdateSeq modified

Returns a sequence number that's guaranteed to change at least when any VertexTransforms in the table change.

(However, this is only true for a registered table. An unregistered table may or may not reflect an update here when a VertexTransform changes.)

◆ registered

bool registered

Returns true if this table has been registered.

Once it has been registered, the set of transforms in a TransformTable may not be further modified; but it must be registered before it can be assigned to a Geom.

◆ transforms

const VertexTransform transforms[]