Panda3D
|
Defines a series of triangle strips. More...
#include "geomTristrips.h"
Public Member Functions | |
GeomTristrips (UsageHint usage_hint) | |
GeomTristrips (const GeomTristrips ©) | |
virtual bool | draw (GraphicsStateGuardianBase *gsg, const GeomPrimitivePipelineReader *reader, bool force) const |
virtual TypeHandle | force_init_type () |
virtual int | get_geom_rendering () const |
Returns the set of GeomRendering bits that represent the rendering properties required to properly render this primitive. More... | |
virtual int | get_min_num_vertices_per_primitive () const |
Returns the minimum number of vertices that must be added before close_primitive() may legally be called. More... | |
virtual int | get_num_unused_vertices_per_primitive () const |
Returns the number of vertices that are added between primitives that aren't, strictly speaking, part of the primitives themselves. More... | |
virtual PrimitiveType | get_primitive_type () const |
virtual TypeHandle | get_type () const |
virtual | PT (GeomPrimitive) make_copy() const |
![]() | |
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... | |
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 (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 |
Returns the number of bytes stored in the vertices array. More... | |
CPTA_int | get_ends () const |
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 |
Returns the numeric type of the index column. More... | |
int | get_max_vertex () const |
Returns the maximum vertex index number used by all the primitives in this object. More... | |
int | get_min_vertex () const |
Returns the minimum vertex index number used by all the primitives in this object. More... | |
UpdateSeq | get_modified () const |
Returns a sequence number which is guaranteed to change at least every time the vertex index array is modified. More... | |
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... | |
int | get_num_used_vertices () const |
Returns the number of vertices used by all of the primitives. More... | |
int | get_num_vertices () const |
Returns the number of indices used by all the primitives in this object. More... | |
virtual int | get_num_vertices_per_primitive () const |
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... | |
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 |
Returns the ShadeModel hint for this primitive. More... | |
int | get_strip_cut_index () const |
UsageHint | get_usage_hint () const |
Returns the usage hint for this primitive. More... | |
int | get_vertex (int i) const |
Returns the ith vertex index in the table. More... | |
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... | |
MAKE_SEQ (get_vertex_list, get_num_vertices, get_vertex) | |
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 (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 (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 () 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 (CPTA_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 (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... | |
![]() | |
CopyOnWriteObject (const CopyOnWriteObject ©) | |
void | operator= (const CopyOnWriteObject ©) |
![]() | |
void | cache_ref () const |
Explicitly increments the cache reference count and the normal reference count simultaneously. More... | |
bool | cache_unref () const |
Explicitly decrements the cache reference count and the normal reference count simultaneously. More... | |
int | get_cache_ref_count () const |
Returns the current 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... | |
![]() | |
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 ©) |
![]() | |
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... | |
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... | |
![]() | |
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 ©) |
![]() | |
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... | |
virtual bool | unref () const |
Explicitly decrements the reference count. 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 TypeHandle | get_class_type () |
static void | init_type () |
static void | register_with_read_factory () |
Tells the BamReader how to create objects of type Geom. More... | |
![]() | |
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 TypeHandle | get_class_type () |
static void | init_type () |
![]() | |
static TypeHandle | get_class_type () |
static void | init_type () |
![]() | |
static TypeHandle | get_class_type () |
static void | init_type () |
static | PT (TypedWritableReferenceCount) decode_from_bam_stream(const string &data |
![]() | |
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 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 TypeHandle | get_class_type () |
static void | init_type () |
Friends | |
class | Geom |
Additional Inherited Members | |
![]() | |
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 } |
enum | NumericType { NT_uint8, NT_uint16, NT_uint32, NT_packed_dcba, NT_packed_dabc, NT_float32, NT_float64, NT_stdfloat } |
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 } |
![]() | |
static BamReader * | reader = NULL) |
![]() | |
static TypedWritable *const | Null = (TypedWritable*)0L |
Defines a series of triangle strips.
Definition at line 25 of file geomTristrips.h.
|
virtual |
Returns the set of GeomRendering bits that represent the rendering properties required to properly render this primitive.
Reimplemented from GeomPrimitive.
|
virtual |
Returns the minimum number of vertices that must be added before close_primitive() may legally be called.
This method is intended for low-level usage only. There are higher-level methods for more common usage. We recommend you do not use this method directly. If you do, be sure you know what you are doing!
Reimplemented from GeomPrimitive.
|
virtual |
Returns the number of vertices that are added between primitives that aren't, strictly speaking, part of the primitives themselves.
This is used, for instance, to define degenerate triangles to connect otherwise disconnected triangle strips.
This method is intended for low-level usage only. There are higher-level methods for more common usage. We recommend you do not use this method directly. If you do, be sure you know what you are doing!
Reimplemented from GeomPrimitive.
|
static |
Tells the BamReader how to create objects of type Geom.
Definition at line 400 of file geomTristrips.cxx.
References BamReader::get_factory(), and Factory< Type >::register_factory().