Panda3D
 All Classes Functions Variables Enumerations
Classes | Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
TexMatrixAttrib Class Reference

Applies a transform matrix to UV's before they are rendered. More...

#include "texMatrixAttrib.h"

Inheritance diagram for TexMatrixAttrib:
RenderAttrib TypedWritableReferenceCount TypedWritable ReferenceCount TypedObject MemoryBase MemoryBase

Public Member Functions

virtual int complete_pointers (TypedWritable **plist, BamReader *manager)
 Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). More...
 
 CPT (RenderAttrib) add_stage(TextureStage *stage
 
 CPT (RenderAttrib) remove_stage(TextureStage *stage) const
 
 CPT (TransformState) get_transform(TextureStage *stage) const
 
virtual TypeHandle force_init_type ()
 
int get_geom_rendering (int geom_rendering) const
 Returns the union of the Geom::GeomRendering bits that will be required once this TexMatrixAttrib is applied to a geom which includes the indicated geom_rendering bits. More...
 
const LMatrix4get_mat () const
 Returns the transformation matrix associated with the default texture stage. More...
 
const LMatrix4get_mat (TextureStage *stage) const
 Returns the transformation matrix associated with the indicated texture stage, or identity matrix if nothing is associated with the indicated stage. More...
 
int get_num_stages () const
 Returns the number of stages that are represented by this attrib. More...
 
int get_override (TextureStage *stage) const
 Returns the override value associated with the indicated stage. More...
 
virtual int get_slot () const
 
TextureStageget_stage (int n) const
 Returns the nth stage that is represented by this attrib. More...
 
virtual TypeHandle get_type () const
 
bool has_stage (TextureStage *stage) const
 Returns true if there is a transform associated with the indicated stage, or false otherwise (in which case get_transform(stage) will return the identity transform). More...
 
bool is_empty () const
 Returns true if no stages are defined in the TexMatrixAttrib, false if at least one is. More...
 
 MAKE_SEQ (get_stages, get_num_stages, get_stage)
 
virtual void output (ostream &out) 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 RenderAttrib
virtual ~RenderAttrib ()
 The destructor is responsible for removing the RenderAttrib from the global set if it is there. More...
 
bool always_reissue () const
 
int compare_to (const RenderAttrib &other) const
 Provides an arbitrary ordering among all unique RenderAttribs, so we can store the essentially different ones in a big set and throw away the rest. More...
 
 CPT (RenderAttrib) compose(const RenderAttrib *other) const
 
 CPT (RenderAttrib) invert_compose(const RenderAttrib *other) const
 
 CPT (RenderAttrib) get_unique() const
 
 CPT (RenderAttrib) get_auto_shader_attrib(const RenderState *state) const
 
virtual bool cull_callback (CullTraverser *trav, const CullTraverserData &data) const
 If has_cull_callback() returns true, this function will be called during the cull traversal to perform any additional operations that should be performed at cull time. 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...
 
size_t get_hash () const
 Returns a suitable hash value for phash_map. More...
 
virtual bool has_cull_callback () const
 Should be overridden by derived classes to return true if cull_callback() has been defined. More...
 
virtual bool lower_attrib_can_override () const
 Intended to be overridden by derived RenderAttrib types to specify how two consecutive RenderAttrib objects of the same type interact. More...
 
virtual bool unref () const FINAL
 Explicitly decrements the reference count. More...
 
virtual void write (ostream &out, int indent_level) const
 
- 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)
 
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...
 
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...
 
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 CPT (RenderAttrib) make()
 
static CPT (RenderAttrib) make(const LMatrix4 &mat)
 
static CPT (RenderAttrib) make(TextureStage *stage
 
static CPT (RenderAttrib) make_default()
 
static int get_class_slot ()
 
static TypeHandle get_class_type ()
 
static void init_type ()
 
static void register_with_read_factory ()
 Tells the BamReader how to create objects of type TexMatrixAttrib. More...
 
- Static Public Member Functions inherited from RenderAttrib
static TypedWritablechange_this (TypedWritable *old_ptr, BamReader *manager)
 Called immediately after complete_pointers(), this gives the object a chance to adjust its own pointer if desired. More...
 
static int garbage_collect ()
 Performs a garbage-collection cycle. More...
 
static TypeHandle get_class_type ()
 
static int get_num_attribs ()
 Returns the total number of unique RenderAttrib objects allocated in the world. More...
 
static void init_attribs ()
 Make sure the global _attribs map is allocated. More...
 
static void init_type ()
 
static void list_attribs (ostream &out)
 Lists all of the RenderAttribs in the cache to the output stream, one per line. More...
 
static int register_slot (TypeHandle type_handle, int sort, RenderAttribRegistry::MakeDefaultFunc *make_default_func)
 Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot number. More...
 
static bool validate_attribs ()
 Ensures that the cache is still stored in sorted order. More...
 
- 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 ()
 

Public Attributes

const TransformState int override = 0) const
 
static const TransformState * transform
 
const TransformState * transform
 
- Public Attributes inherited from TypedWritableReferenceCount
static BamReaderreader = NULL)
 

Additional Inherited Members

- Public Types inherited from RenderAttrib
enum  PandaCompareFunc {
  M_none =0, M_never, M_less, M_equal,
  M_less_equal, M_greater, M_not_equal, M_greater_equal,
  M_always
}
 
enum  TexGenMode {
  M_off, M_eye_sphere_map, M_world_cube_map, M_eye_cube_map,
  M_world_normal, M_eye_normal, M_world_position, M_unused,
  M_eye_position, M_point_sprite, M_unused2, M_constant
}
 
- Static Public Attributes inherited from TypedWritable
static TypedWritable *const Null = (TypedWritable*)0L
 

Detailed Description

Applies a transform matrix to UV's before they are rendered.

Definition at line 33 of file texMatrixAttrib.h.

Member Function Documentation

int TexMatrixAttrib::complete_pointers ( TypedWritable **  p_list,
BamReader manager 
)
virtual

Receives an array of pointers, one for each time manager->read_pointer() was called in fillin().

Returns the number of pointers processed.

Reimplemented from TypedWritable.

Definition at line 540 of file texMatrixAttrib.cxx.

References TypedWritable::complete_pointers(), TextureStagePool::get_stage(), ordered_vector< Key, Compare, Vector >::size(), and ov_set< Key, Compare, Vector >::sort().

int TexMatrixAttrib::get_geom_rendering ( int  geom_rendering) const
inline

Returns the union of the Geom::GeomRendering bits that will be required once this TexMatrixAttrib is applied to a geom which includes the indicated geom_rendering bits.

Definition at line 64 of file texMatrixAttrib.I.

References is_empty().

Referenced by RenderState::get_geom_rendering().

const LMatrix4 & TexMatrixAttrib::get_mat ( ) const

Returns the transformation matrix associated with the default texture stage.

Definition at line 133 of file texMatrixAttrib.cxx.

References TextureStage::get_default().

Referenced by GeomNode::apply_attribs_to_vertices(), GeomTransformer::apply_texture_colors(), and GraphicsStateGuardian::fetch_specified_part().

const LMatrix4 & TexMatrixAttrib::get_mat ( TextureStage stage) const

Returns the transformation matrix associated with the indicated texture stage, or identity matrix if nothing is associated with the indicated stage.

Definition at line 194 of file texMatrixAttrib.cxx.

int TexMatrixAttrib::get_num_stages ( ) const

Returns the number of stages that are represented by this attrib.

Definition at line 169 of file texMatrixAttrib.cxx.

References ordered_vector< Key, Compare, Vector >::size().

Referenced by GeomNode::apply_attribs_to_vertices().

int TexMatrixAttrib::get_override ( TextureStage stage) const
inline

Returns the override value associated with the indicated stage.

Definition at line 45 of file texMatrixAttrib.I.

References ordered_vector< Key, Compare, Vector >::end().

TextureStage * TexMatrixAttrib::get_stage ( int  n) const

Returns the nth stage that is represented by this attrib.

The TextureStages are in no particular order.

Definition at line 181 of file texMatrixAttrib.cxx.

References ordered_vector< Key, Compare, Vector >::size().

Referenced by GeomNode::apply_attribs_to_vertices().

bool TexMatrixAttrib::has_stage ( TextureStage stage) const

Returns true if there is a transform associated with the indicated stage, or false otherwise (in which case get_transform(stage) will return the identity transform).

Definition at line 157 of file texMatrixAttrib.cxx.

References ordered_vector< Key, Compare, Vector >::end().

Referenced by GeomTransformer::apply_texture_colors(), and NodePath::has_tex_transform().

bool TexMatrixAttrib::is_empty ( ) const

Returns true if no stages are defined in the TexMatrixAttrib, false if at least one is.

Definition at line 144 of file texMatrixAttrib.cxx.

References ordered_vector< Key, Compare, Vector >::empty().

Referenced by get_geom_rendering().

void TexMatrixAttrib::register_with_read_factory ( )
static

Tells the BamReader how to create objects of type TexMatrixAttrib.

Definition at line 506 of file texMatrixAttrib.cxx.

References BamReader::get_factory(), and Factory< Type >::register_factory().

void TexMatrixAttrib::write_datagram ( BamWriter manager,
Datagram dg 
)
virtual

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