Panda3D
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This is a specialization on VertexTransform that allows the user to specify any arbitrary transform matrix he likes. More...
Public Member Functions | |
UserVertexTransform (string name) | |
accumulateMatrix (Mat4 accum, float weight) | |
Adds the value of this transform's matrix, modified by the indicated weight, into the indicated accumulation matrix. | |
bool | encodeToBamStream (basic_stringchar data) |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. | |
string | encodeToBamStream () |
Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a string string. | |
bool | encodeToBamStream (basic_stringchar data, BamWriter writer) |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. | |
UpdateSeq | getBamModified () |
Returns the current bam_modified counter. | |
getMatrix (Mat4 matrix) | |
UpdateSeq | getModified (Thread current_thread) |
Returns a sequence number that's guaranteed to change at least every time the value reported by get_matrix() changes. | |
string | getName () |
Returns the name passed to the constructor. | |
int | getRefCount () |
Returns the current reference count. | |
TypeHandle | getType () |
int | getTypeIndex () |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. | |
bool | isExactType (TypeHandle handle) |
Returns true if the current object is the indicated type exactly. | |
bool | isOfType (TypeHandle handle) |
Returns true if the current object is or derives from the indicated type. | |
markBamModified () | |
Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. | |
multMatrix (Mat4 result, Mat4 const previous) | |
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. | |
output (ostream out) | |
PyObject | reduce (PyObject self) |
This special Python method is implement to provide support for the pickle module. | |
PyObject | reducePersist (PyObject self, PyObject pickler) |
This special Python method is implement to provide support for the pickle module. | |
ref () | |
Explicitly increments the reference count. | |
setMatrix (Mat4 const matrix) | |
Stores the indicated matrix. | |
bool | testRefCountIntegrity () |
Does some easy checks to make sure that the reference count isn't completely bogus. | |
bool | testRefCountNonzero () |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus. | |
bool | unref () |
Explicitly decrements the reference count. | |
write (ostream out, int indent_level) | |
Static Public Member Functions | |
static TypedWritableReferenceCount | decodeFromBamStream (string data, BamReader reader) |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on that string. | |
static TypedWritableReferenceCount | decodeFromBamStream (string data) |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on that string. | |
static TypeHandle | getClassType () |
static UpdateSeq | getGlobalModified (Thread current_thread) |
Returns the currently highest VertexTransform.get_modified() value in the world. | |
static UpdateSeq | getNextModified (Thread current_thread) |
Returns a monotonically increasing sequence. |
This is a specialization on VertexTransform that allows the user to specify any arbitrary transform matrix he likes.
This is rarely used except for testing.
UserVertexTransform | ( | string | name | ) |
accumulateMatrix | ( | Mat4 | accum, |
float | weight | ||
) | [inherited] |
Adds the value of this transform's matrix, modified by the indicated weight, into the indicated accumulation matrix.
This is used to compute the result of several blended transforms.
static TypedWritableReferenceCount decodeFromBamStream | ( | string | data, |
BamReader | reader | ||
) | [static, inherited] |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on that string.
Returns NULL on error.
This method is intended to replace decode_raw_from_bam_stream() when you know the stream in question returns an object of type TypedWritableReferenceCount, allowing for easier reference count management. Note that the caller is still responsible for maintaining the reference count on the return value.
static TypedWritableReferenceCount decodeFromBamStream | ( | string | data | ) | [static, inherited] |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on that string.
Returns NULL on error.
This method is intended to replace decode_raw_from_bam_stream() when you know the stream in question returns an object of type TypedWritableReferenceCount, allowing for easier reference count management. Note that the caller is still responsible for maintaining the reference count on the return value.
string encodeToBamStream | ( | ) | [inherited] |
Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a string string.
Returns empty string on failure.
This is a convenience method particularly useful for cases when you are only serializing a single object. If you have many objects to process, it is more efficient to use the same BamWriter to serialize all of them together.
bool encodeToBamStream | ( | basic_stringchar | data, |
BamWriter | writer | ||
) | [inherited] |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string.
Returns true on success, false on failure.
This is a convenience method particularly useful for cases when you are only serializing a single object. If you have many objects to process, it is more efficient to use the same BamWriter to serialize all of them together.
bool encodeToBamStream | ( | basic_stringchar | data | ) | [inherited] |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string.
Returns true on success, false on failure.
This is a convenience method particularly useful for cases when you are only serializing a single object. If you have many objects to process, it is more efficient to use the same BamWriter to serialize all of them together.
UpdateSeq getBamModified | ( | ) | [inherited] |
Returns the current bam_modified counter.
This counter is normally incremented automatically whenever the object is modified.
static TypeHandle getClassType | ( | ) | [static] |
Reimplemented from VertexTransform.
Returns the currently highest VertexTransform.get_modified() value in the world.
This can be used as a quick way to determine if any VertexTransforms have changed value recently.
getMatrix | ( | Mat4 | matrix | ) | [inherited] |
Returns a sequence number that's guaranteed to change at least every time the value reported by get_matrix() changes.
string getName | ( | ) |
Returns the name passed to the constructor.
Completely arbitrary.
Returns a monotonically increasing sequence.
Each time this is called, a new sequence number is returned, higher than the previous value.
This is used to ensure that all VertexTransform.get_modified() calls return an increasing number in the same space, so that TransformBlend.get_modified() is easy to determine. It is similar to Geom.get_modified(), but it is in a different space.
int getRefCount | ( | ) | [inherited] |
Returns the current reference count.
TypeHandle getType | ( | ) | [inherited] |
Reimplemented in AnimChannelBase.
int getTypeIndex | ( | ) | [inherited] |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
This is equivalent to get_type().get_index().
bool isExactType | ( | TypeHandle | handle | ) | [inherited] |
Returns true if the current object is the indicated type exactly.
bool isOfType | ( | TypeHandle | handle | ) | [inherited] |
Returns true if the current object is or derives from the indicated type.
markBamModified | ( | ) | [inherited] |
Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams.
This should normally not need to be called by user code; it should be called internally when the object has been changed in a way that legitimately requires its retransmission to any connected clients.
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.
The result is stored in the parameter "result", which should not be the same matrix as previous.
output | ( | ostream | out | ) | [inherited] |
PyObject reduce | ( | PyObject | self | ) | [inherited] |
This special Python method is implement to provide support for the pickle module.
This hooks into the native pickle and cPickle modules, but it cannot properly handle self-referential BAM objects.
PyObject reducePersist | ( | PyObject | self, |
PyObject | pickler | ||
) | [inherited] |
This special Python method is implement to provide support for the pickle module.
This is similar to __reduce__, but it provides additional support for the missing persistent-state object needed to properly support self-referential BAM objects written to the pickle stream. This hooks into the pickle and cPickle modules implemented in direct/src/stdpy.
ref | ( | ) | [inherited] |
Explicitly increments the reference count.
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
setMatrix | ( | Mat4 const | matrix | ) |
Stores the indicated matrix.
bool testRefCountIntegrity | ( | ) | [inherited] |
Does some easy checks to make sure that the reference count isn't completely bogus.
Returns true if ok, false otherwise.
Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.
bool testRefCountNonzero | ( | ) | [inherited] |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus.
Returns true if ok, false otherwise.
bool unref | ( | ) | [inherited] |
Explicitly decrements the reference count.
Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic.) However, see the helper function unref_delete().
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is true if the new reference count is nonzero, false if it is zero.
Reimplemented in GeomVertexArrayFormat, and GeomVertexFormat.