Defines a series of triangle fans. More...
#include "geomTrifans.h"
Public Member Functions | |
GeomTrifans (UsageHint usage_hint) | |
GeomTrifans (const GeomTrifans ©) | |
virtual bool | draw (GraphicsStateGuardianBase *gsg, const GeomPrimitivePipelineReader *reader, bool force) const |
virtual TypeHandle | force_init_type () |
virtual int | get_geom_rendering () const |
virtual PrimitiveType | get_primitive_type () const |
virtual TypeHandle | get_type () const |
virtual | PT (GeomPrimitive) make_copy() const |
Public Member Functions inherited from GeomPrimitive | |
GeomPrimitive (UsageHint usage_hint) | |
GeomPrimitive (const GeomPrimitive ©) | |
void | add_consecutive_vertices (int start, int num_vertices) |
Adds a consecutive sequence of vertices, beginning at start, to the primitive. More... | |
void | add_next_vertices (int num_vertices) |
Adds the next n vertices in sequence, beginning from the last vertex added to the primitive + 1. More... | |
void | add_vertex (int vertex) |
Adds the indicated vertex to the list of vertex indices used by the graphics primitive type. More... | |
void | add_vertices (int v1, int v2) |
void | add_vertices (int v1, int v2, int v3) |
Adds several vertices in a row. More... | |
void | add_vertices (int v1, int v2, int v3, int v4) |
Adds several vertices in a row. More... | |
void | calc_sphere_radius (const LPoint3 ¢er, PN_stdfloat &sq_radius, bool &found_any, const GeomVertexData *vertex_data, Thread *current_thread) const |
Expands radius so that a sphere with the given center point fits all of the vertices. More... | |
void | calc_tight_bounds (LPoint3 &min_point, LPoint3 &max_point, PN_stdfloat &sq_center_dist, bool &found_any, const GeomVertexData *vertex_data, bool got_mat, const LMatrix4 &mat, const InternalName *column_name, Thread *current_thread) const |
Expands min_point and max_point to include all of the vertices in the Geom, if any (or the data of any point type, for instance, texture coordinates– based on the column name). More... | |
bool | check_valid (const GeomVertexData *vertex_data) const |
Verifies that the primitive only references vertices that actually exist within the indicated GeomVertexData. More... | |
bool | check_valid (const GeomVertexDataPipelineReader *data_reader) const |
void | clear_minmax () |
Undoes a previous call to set_minmax(), and allows the minimum and maximum values to be recomputed normally. More... | |
void | clear_vertices () |
Removes all of the vertices and primitives from the object, so they can be re-added. More... | |
bool | close_primitive () |
Indicates that the previous n calls to add_vertex(), since the last call to close_primitive(), have fully defined a new primitive. More... | |
CPT (GeomPrimitive) decompose() const | |
CPT (GeomPrimitive) rotate() const | |
CPT (GeomPrimitive) doubleside() const | |
CPT (GeomPrimitive) reverse() const | |
CPT (GeomPrimitive) match_shade_model(ShadeModel shade_model) const | |
CPT (GeomPrimitive) make_points() const | |
CPT (GeomPrimitive) make_lines() const | |
CPT (GeomPrimitive) make_patches() const | |
CPT (GeomVertexArrayData) get_vertices() const | |
CPT (GeomVertexArrayDataHandle) get_vertices_handle(Thread *current_thread) const | |
CPT (GeomVertexArrayData) get_mins() const | |
CPT (GeomVertexArrayData) get_maxs() const | |
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... | |
int | get_data_size_bytes () const |
CPTA_int | get_ends () const |
Returns a const pointer to the primitive ends array so application code can read it directly. More... | |
int | get_first_vertex () const |
Returns the first vertex number referenced by the primitive. More... | |
const GeomVertexArrayFormat * | get_index_format () const |
Returns a registered format appropriate for using to store the index table. More... | |
int | get_index_stride () const |
NumericType | get_index_type () const |
int | get_max_vertex () const |
Returns the maximum vertex index number used by all the primitives in this object. More... | |
virtual int | get_min_num_vertices_per_primitive () const |
int | get_min_vertex () const |
Returns the minimum vertex index number used by all the primitives in this object. More... | |
UpdateSeq | get_modified () const |
int | get_num_bytes () const |
int | get_num_faces () const |
Returns the number of triangles or other fundamental type (such as line segments) represented by all the primitives in this object. More... | |
int | get_num_primitives () const |
Returns the number of individual primitives stored within this object. More... | |
virtual int | get_num_unused_vertices_per_primitive () const |
int | get_num_used_vertices () const |
Returns the number of vertices used by all of the primitives. More... | |
int | get_num_vertices () const |
virtual int | get_num_vertices_per_primitive () const |
int | get_primitive_end (int n) const |
Returns the element within the _vertices list at which the nth primitive ends. More... | |
int | get_primitive_max_vertex (int n) const |
Returns the maximum vertex index number used by the nth primitive in this object. More... | |
int | get_primitive_min_vertex (int n) const |
Returns the minimum vertex index number used by the nth primitive in this object. More... | |
int | get_primitive_num_faces (int n) const |
Returns the number of triangles or other fundamental type (such as line segments) represented by the nth primitive in this object. More... | |
int | get_primitive_num_vertices (int n) const |
Returns the number of vertices used by the nth primitive. More... | |
int | get_primitive_start (int n) const |
Returns the element within the _vertices list at which the nth primitive starts. More... | |
ShadeModel | get_shade_model () const |
int | get_strip_cut_index () const |
UsageHint | get_usage_hint () const |
int | get_vertex (int i) const |
bool | is_composite () const |
Returns true if the primitive is a composite primitive such as a tristrip or trifan, or false if it is a fundamental primitive such as a collection of triangles. More... | |
bool | is_indexed () const |
Returns true if the primitive is indexed, false otherwise. More... | |
bool | is_prepared (PreparedGraphicsObjects *prepared_objects) const |
Returns true if the data has already been prepared or enqueued for preparation on the indicated GSG, false otherwise. More... | |
void | make_indexed () |
Converts the primitive from nonindexed form to indexed form. More... | |
void | make_nonindexed (GeomVertexData *dest, const GeomVertexData *source) |
Converts the primitive from indexed to nonindexed by duplicating vertices as necessary into the indicated dest GeomVertexData. More... | |
PTA_int | modify_ends () |
Returns a modifiable pointer to the primitive ends array, so application code can directly fiddle with this data. More... | |
void | offset_vertices (int offset) |
Adds the indicated offset to all vertices used by the primitive. More... | |
void | offset_vertices (int offset, int begin_row, int end_row) |
Adds the indicated offset to the indicated segment of vertices used by the primitive. More... | |
void | operator= (const GeomPrimitive ©) |
The copy assignment operator is not pipeline-safe. More... | |
virtual void | output (std::ostream &out) const |
void | pack_vertices (GeomVertexData *dest, const GeomVertexData *source) |
Packs the vertices used by the primitive from the indicated source array onto the end of the indicated destination array. More... | |
void | prepare (PreparedGraphicsObjects *prepared_objects) |
Indicates that the data should be enqueued to be prepared in the indicated prepared_objects at the beginning of the next frame. More... | |
IndexBufferContext * | prepare_now (PreparedGraphicsObjects *prepared_objects, GraphicsStateGuardianBase *gsg) |
Creates a context for the data on the particular GSG, if it does not already exist. More... | |
PT (GeomVertexArrayData) modify_vertices(int num_vertices | |
PT (GeomVertexArrayDataHandle) modify_vertices_handle(Thread *current_thread) | |
PT (GeomVertexArrayData) make_index_data() const | |
bool | release (PreparedGraphicsObjects *prepared_objects) |
Frees the data context only on the indicated object, if it exists there. More... | |
int | release_all () |
Frees the context allocated on all objects for which the data has been declared. More... | |
bool | request_resident (Thread *current_thread=Thread::get_current_thread()) const |
void | reserve_num_vertices (int num_vertices) |
This ensures that enough memory space for n vertices is allocated, so that you may increase the number of vertices to n without causing a new memory allocation. More... | |
void | set_ends (PTA_int ends) |
Completely replaces the primitive ends array with a new table. More... | |
void | set_index_type (NumericType index_type) |
Changes the numeric type of the index column. More... | |
void | set_minmax (int min_vertex, int max_vertex, GeomVertexArrayData *mins, GeomVertexArrayData *maxs) |
Explicitly specifies the minimum and maximum vertices, as well as the lists of per-component min and max. More... | |
void | set_nonindexed_vertices (int first_vertex, int num_vertices) |
Sets the primitive up as a nonindexed primitive, using the indicated vertex range. More... | |
void | set_shade_model (ShadeModel shade_model) |
Changes the ShadeModel hint for this primitive. More... | |
void | set_usage_hint (UsageHint usage_hint) |
Changes the UsageHint hint for this primitive. More... | |
void | set_vertices (const GeomVertexArrayData *vertices, int num_vertices=-1) |
Completely replaces the vertex index list with a new table. More... | |
virtual void | write (std::ostream &out, int indent_level) 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 CopyOnWriteObject | |
CopyOnWriteObject (const CopyOnWriteObject ©) | |
void | operator= (const CopyOnWriteObject ©) |
Public Member Functions inherited from CachedTypedWritableReferenceCount | |
void | cache_ref () const |
Explicitly increments the cache reference count and the normal reference count simultaneously. More... | |
void | cache_ref_only () const |
Decrements the cache reference count without affecting the normal reference count. More... | |
bool | cache_unref () const |
Explicitly decrements the cache reference count and the normal reference count simultaneously. More... | |
int | get_cache_ref_count () const |
bool | test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. More... | |
Public Member Functions inherited from TypedWritableReferenceCount | |
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 ©) |
Public Member Functions inherited from TypedWritable | |
TypedWritable (const TypedWritable ©) | |
virtual int | complete_pointers (TypedWritable **p_list, BamReader *manager) |
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). More... | |
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... | |
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... | |
Public Member Functions inherited from TypedObject | |
TypedObject (const TypedObject ©)=default | |
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... | |
TypedObject & | operator= (const TypedObject ©)=default |
Public Member Functions inherited from ReferenceCount | |
int | get_ref_count () const |
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 | 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... | |
WeakReferenceList * | weak_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... | |
Static Public Member Functions | |
static TypeHandle | get_class_type () |
static void | init_type () |
static void | register_with_read_factory () |
Static Public Member Functions inherited from GeomPrimitive | |
static TypeHandle | get_class_type () |
static const GeomVertexArrayFormat * | get_index_format (NumericType index_type) |
Returns a registered GeomVertexArrayFormat of the indicated unsigned integer numeric type for storing index values. More... | |
static void | init_type () |
Static Public Member Functions inherited from CopyOnWriteObject | |
static TypeHandle | get_class_type () |
static void | init_type () |
Static Public Member Functions inherited from CachedTypedWritableReferenceCount | |
static TypeHandle | get_class_type () |
static void | init_type () |
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 () |
Friends | |
class | Geom |
Additional Inherited Members | |
Public Types inherited from GeomEnums | |
enum | AnimationType { AT_none, AT_panda, AT_hardware } |
enum | Contents { C_other, C_point, C_clip_point, C_vector, C_texcoord, C_color, C_index, C_morph_delta, C_matrix, C_normal } |
enum | GeomRendering { GR_indexed_point = 0x00001, GR_indexed_other = 0x10000, GR_indexed_bits = 0x10001, GR_point = 0x00002, GR_point_uniform_size = 0x00004, GR_per_point_size = 0x00008, GR_point_perspective = 0x00010, GR_point_aspect_ratio = 0x00020, GR_point_scale = 0x00040, GR_point_rotate = 0x00080, GR_point_sprite = 0x00100, GR_point_sprite_tex_matrix = 0x00200, GR_point_bits = 0x003fe, GR_triangle_strip = 0x00400, GR_triangle_fan = 0x00800, GR_line_strip = 0x01000, GR_composite_bits = 0x01c00, GR_strip_cut_index = 0x20000, GR_flat_first_vertex = 0x02000, GR_flat_last_vertex = 0x04000, GR_shade_model_bits = 0x06000, GR_render_mode_wireframe = 0x40000, GR_render_mode_point = 0x80000, GR_adjacency = 0x100000 } |
enum | NumericType { NT_uint8, NT_uint16, NT_uint32, NT_packed_dcba, NT_packed_dabc, NT_float32, NT_float64, NT_stdfloat, NT_int8, NT_int16, NT_int32, NT_packed_ufloat } |
enum | PrimitiveType { PT_none, PT_polygons, PT_lines, PT_points, PT_patches } |
enum | ShadeModel { SM_uniform, SM_smooth, SM_flat_first_vertex, SM_flat_last_vertex } |
enum | UsageHint { UH_client, UH_stream, UH_dynamic, UH_static, UH_unspecified } |
Public Attributes inherited from GeomPrimitive | |
get_data_size_bytes | |
Returns the number of bytes stored in the vertices array. More... | |
get_geom_rendering | |
Returns the set of GeomRendering bits that represent the rendering properties required to properly render this primitive. More... | |
get_index_stride | |
A convenience function to return the gap between successive index numbers, in bytes, of the index data. More... | |
get_index_type | |
Returns the numeric type of the index column. More... | |
get_maxs | |
get_min_num_vertices_per_primitive | |
Returns the minimum number of vertices that must be added before close_primitive() may legally be called. More... | |
get_mins | |
get_modified | |
Returns a sequence number which is guaranteed to change at least every time the vertex index array is modified. More... | |
get_num_bytes | |
get_num_unused_vertices_per_primitive | |
Returns the number of vertices that are added between primitives that aren't, strictly speaking, part of the primitives themselves. More... | |
get_num_vertices | |
Returns the number of indices used by all the primitives in this object. More... | |
get_num_vertices_per_primitive | |
If the primitive type is a simple type in which all primitives have the same number of vertices, like triangles, returns the number of vertices per primitive. More... | |
get_primitive_type | |
get_shade_model | |
Returns the ShadeModel hint for this primitive. More... | |
get_strip_cut_index | |
Returns the index of the indicated type that is reserved for use as a strip cut index, if enabled for the primitive. More... | |
get_usage_hint | |
Returns the usage hint for this primitive. More... | |
get_vertex | |
Returns the ith vertex index in the table. More... | |
Public Attributes inherited from CachedTypedWritableReferenceCount | |
get_cache_ref_count | |
Returns the current reference count. More... | |
Public Attributes inherited from TypedWritableReferenceCount | |
static BamReader * | reader = nullptr) |
Public Attributes inherited from TypedObject | |
get_type | |
Public Attributes inherited from ReferenceCount | |
get_ref_count | |
Returns the current reference count. More... | |
Static Public Attributes inherited from TypedWritable | |
static TypedWritable *const | Null = nullptr |
Defines a series of triangle fans.
Definition at line 23 of file geomTrifans.h.