15 #include "fltLightSourceDefinition.h"
16 #include "fltRecordReader.h"
17 #include "fltRecordWriter.h"
19 TypeHandle FltLightSourceDefinition::_type_handle;
26 FltLightSourceDefinition::
29 _ambient.set(0.0, 0.0, 0.0, 1.0);
30 _diffuse.set(1.0, 1.0, 1.0, 1.0);
31 _specular.set(0.0, 0.0, 0.0, 1.0);
32 _light_type = LT_infinite;
33 _exponential_dropoff = 1.0;
34 _cutoff_angle = 180.0;
37 _constant_coefficient = 0.0;
38 _linear_coefficient = 0.0;
39 _quadratic_coefficient = 1.0;
40 _modeling_light =
false;
51 bool FltLightSourceDefinition::
53 if (!FltRecord::extract_record(reader)) {
57 nassertr(reader.
get_opcode() == FO_light_definition,
false);
60 _light_index = iterator.get_be_int32();
61 iterator.skip_bytes(2*4);
62 _light_name = iterator.get_fixed_string(20);
63 iterator.skip_bytes(4);
64 _ambient[0] = iterator.get_be_float32();
65 _ambient[1] = iterator.get_be_float32();
66 _ambient[2] = iterator.get_be_float32();
67 _ambient[3] = iterator.get_be_float32();
68 _diffuse[0] = iterator.get_be_float32();
69 _diffuse[1] = iterator.get_be_float32();
70 _diffuse[2] = iterator.get_be_float32();
71 _diffuse[3] = iterator.get_be_float32();
72 _specular[0] = iterator.get_be_float32();
73 _specular[1] = iterator.get_be_float32();
74 _specular[2] = iterator.get_be_float32();
75 _specular[3] = iterator.get_be_float32();
76 _light_type = (LightType)iterator.get_be_int32();
77 iterator.skip_bytes(4*10);
78 _exponential_dropoff = iterator.get_be_float32();
79 _cutoff_angle = iterator.get_be_float32();
80 _yaw = iterator.get_be_float32();
81 _pitch = iterator.get_be_float32();
82 _constant_coefficient = iterator.get_be_float32();
83 _linear_coefficient = iterator.get_be_float32();
84 _quadratic_coefficient = iterator.get_be_float32();
85 _modeling_light = (iterator.get_be_int32() != 0);
86 iterator.skip_bytes(4*19);
100 bool FltLightSourceDefinition::
102 if (!FltRecord::build_record(writer)) {
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...
DatagramIterator & get_iterator()
Returns an iterator suitable for extracting data from the current record.
void pad_bytes(size_t size)
Adds the indicated number of zero bytes to the datagram.
void add_be_float32(PN_float32 value)
Adds a 32-bit single-precision big-endian floating-point number to the datagram.
The base class for all kinds of records in a MultiGen OpenFlight file.
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_fixed_string(const string &str, size_t size)
Adds a fixed-length string 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 ...