15 #include "fltMeshPrimitive.h"
16 #include "fltRecordReader.h"
17 #include "fltRecordWriter.h"
18 #include "fltHeader.h"
19 #include "fltMaterial.h"
30 _primitive_type = PT_tristrip;
41 bool FltMeshPrimitive::
43 if (!FltBead::extract_record(reader)) {
47 nassertr(reader.
get_opcode() == FO_mesh_primitive,
false);
50 _primitive_type = (PrimitiveType)iterator.get_be_int16();
52 int vertex_width = iterator.get_be_int16();
53 int num_vertices = iterator.get_be_int32();
55 if (vertex_width == 1) {
56 for (
int i = 0; i < num_vertices; i++) {
57 _vertices.push_back(iterator.get_uint8());
60 }
else if (vertex_width == 2) {
61 for (
int i = 0; i < num_vertices; i++) {
62 _vertices.push_back(iterator.get_be_uint16());
65 }
else if (vertex_width == 4) {
66 for (
int i = 0; i < num_vertices; i++) {
67 _vertices.push_back(iterator.get_be_int32());
71 nout <<
"Invalid vertex width in mesh primitive: " << vertex_width
88 bool FltMeshPrimitive::
90 if (!FltBead::build_record(writer)) {
102 Vertices::const_iterator vi;
103 for (vi = _vertices.begin(); vi != _vertices.end(); ++vi) {
104 max_index = max(max_index, (*vi));
108 if (max_index < 0x100) {
110 }
else if (max_index < 0x10000) {
119 if (vertex_width == 1) {
120 for (vi = _vertices.begin(); vi != _vertices.end(); ++vi) {
124 }
else if (vertex_width == 2) {
125 for (vi = _vertices.begin(); vi != _vertices.end(); ++vi) {
130 for (vi = _vertices.begin(); vi != _vertices.end(); ++vi) {
void add_uint8(PN_uint8 value)
Adds an unsigned 8-bit integer to the datagram.
This class writes a sequence of FltRecords to an ostream, handling opcode and size counts properly...
This class turns an istream into a sequence of FltRecords by reading a sequence of Datagrams and extr...
A base class for any of a broad family of flt records that represent particular beads in the hierarch...
DatagramIterator & get_iterator()
Returns an iterator suitable for extracting data from the current record.
void add_be_int32(PN_int32 value)
Adds a signed 32-bit big-endian integer to the datagram.
void check_remaining_size(const DatagramIterator &di, const string &name=string()) const
Checks that the iterator has no bytes left, as it should at the end of a successfully read record...
FltOpcode get_opcode() const
Returns the opcode associated with the current record.
void add_be_uint16(PN_uint16 value)
Adds an unsigned 16-bit big-endian integer to the datagram.
A class to retrieve the individual data elements previously stored in a Datagram. ...
TypeHandle is the identifier used to differentiate C++ class types.
void set_opcode(FltOpcode opcode)
Sets the opcode associated with the current record.
Datagram & update_datagram()
Returns a modifiable reference to the datagram associated with the current record.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
void add_be_int16(PN_int16 value)
Adds a signed 16-bit big-endian integer to the datagram.