Computes texture coordinates for geometry automatically based on vertex position and/or normal. More...
#include "texGenAttrib.h"
Public Types | |
typedef RenderAttrib::TexGenMode | Mode |
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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 } |
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) add_stage(TextureStage *stage | |
CPT (RenderAttrib) remove_stage(TextureStage *stage) const | |
virtual TypeHandle | force_init_type () |
const LTexCoord3 & | get_constant_value (TextureStage *stage) const |
Returns the constant value associated with the named texture stage. More... | |
int | get_geom_rendering (int geom_rendering) const |
Returns the union of the Geom::GeomRendering bits that will be required once this TexGenAttrib is applied to a geom which includes the indicated geom_rendering bits. More... | |
Mode | get_mode (TextureStage *stage) const |
Returns the generation mode associated with the named texture stage, or M_off if nothing is associated with the indicated stage. More... | |
virtual int | get_slot () const |
virtual TypeHandle | get_type () const |
bool | has_gen_texcoord_stage (TextureStage *stage) const |
Returns true if the indicated TextureStage will have texture coordinates generated for it automatically (and thus there is no need to upload the texture coordinates encoded in the vertices). More... | |
bool | has_stage (TextureStage *stage) const |
Returns true if there is a mode associated with the indicated stage, or false otherwise (in which case get_transform(stage) will return M_off). More... | |
bool | is_empty () const |
Returns true if no stages are defined in the TexGenAttrib, false if at least one is. More... | |
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... | |
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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 |
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TypedWritableReferenceCount (const TypedWritableReferenceCount ©) | |
virtual ReferenceCount * | as_reference_count () |
Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. More... | |
void | operator= (const TypedWritableReferenceCount ©) |
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TypedWritable (const TypedWritable ©) | |
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 ©) |
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... | |
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TypedObject (const TypedObject ©) | |
TypedObject * | as_typed_object () |
Returns the object, upcast (if necessary) to a TypedObject pointer. More... | |
const TypedObject * | as_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 ©) |
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int | get_ref_count () const |
Returns the current reference count. More... | |
WeakReferenceList * | get_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(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 TexGenAttrib. More... | |
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static TypedWritable * | change_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... | |
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static TypeHandle | get_class_type () |
static void | init_type () |
static | PT (TypedWritableReferenceCount) decode_from_bam_stream(const string &data |
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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 () |
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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... | |
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static TypeHandle | get_class_type () |
static void | init_type () |
Public Attributes | |
Mode mode | const |
Mode const LTexCoord3 &constant_value | const |
static Mode | mode |
Mode | mode |
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static BamReader * | reader = NULL) |
Additional Inherited Members | |
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static TypedWritable *const | Null = (TypedWritable*)0L |
Computes texture coordinates for geometry automatically based on vertex position and/or normal.
This can be used to implement reflection and/or refraction maps, for instance to make shiny surfaces, as well as other special effects such as projective texturing.
Definition at line 36 of file texGenAttrib.h.
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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 585 of file texGenAttrib.cxx.
References TypedWritable::complete_pointers().
const LTexCoord3 & TexGenAttrib::get_constant_value | ( | TextureStage * | stage | ) | const |
Returns the constant value associated with the named texture stage.
This is only meaningful if the mode is M_constant.
Definition at line 215 of file texGenAttrib.cxx.
References LPoint3f::zero().
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inline |
Returns the union of the Geom::GeomRendering bits that will be required once this TexGenAttrib is applied to a geom which includes the indicated geom_rendering bits.
Definition at line 55 of file texGenAttrib.I.
Referenced by RenderState::get_geom_rendering().
TexGenAttrib::Mode TexGenAttrib::get_mode | ( | TextureStage * | stage | ) | const |
Returns the generation mode associated with the named texture stage, or M_off if nothing is associated with the indicated stage.
Definition at line 185 of file texGenAttrib.cxx.
Referenced by TinyGraphicsStateGuardian::begin_draw_primitives(), and NodePath::get_tex_gen().
bool TexGenAttrib::has_gen_texcoord_stage | ( | TextureStage * | stage | ) | const |
Returns true if the indicated TextureStage will have texture coordinates generated for it automatically (and thus there is no need to upload the texture coordinates encoded in the vertices).
Definition at line 202 of file texGenAttrib.cxx.
bool TexGenAttrib::has_stage | ( | TextureStage * | stage | ) | const |
Returns true if there is a mode associated with the indicated stage, or false otherwise (in which case get_transform(stage) will return M_off).
Definition at line 172 of file texGenAttrib.cxx.
Referenced by NodePath::has_tex_gen().
bool TexGenAttrib::is_empty | ( | ) | const |
Returns true if no stages are defined in the TexGenAttrib, false if at least one is.
Definition at line 160 of file texGenAttrib.cxx.
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static |
Tells the BamReader how to create objects of type TexGenAttrib.
Definition at line 551 of file texGenAttrib.cxx.
References BamReader::get_factory(), and Factory< Type >::register_factory().
Writes the contents of this object to the datagram for shipping out to a Bam file.
Reimplemented from RenderAttrib.
Definition at line 562 of file texGenAttrib.cxx.
References Datagram::add_uint16(), Datagram::add_uint8(), RenderAttrib::write_datagram(), and BamWriter::write_pointer().