130 lines
4.6 KiB
C++
130 lines
4.6 KiB
C++
// Filename: fltLightSourceDefinition.cxx
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// Created by: drose (26Aug00)
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//
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////////////////////////////////////////////////////////////////////
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#include "fltLightSourceDefinition.h"
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#include "fltRecordReader.h"
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#include "fltRecordWriter.h"
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TypeHandle FltLightSourceDefinition::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: FltLightSourceDefinition::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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FltLightSourceDefinition::
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FltLightSourceDefinition(FltHeader *header) : FltRecord(header) {
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_light_index = 0;
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_ambient.set(0.0, 0.0, 0.0, 1.0);
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_diffuse.set(1.0, 1.0, 1.0, 1.0);
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_specular.set(0.0, 0.0, 0.0, 1.0);
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_light_type = LT_infinite;
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_exponential_dropoff = 1.0;
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_cutoff_angle = 180.0;
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_yaw = 0.0;
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_pitch = 0.0;
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_constant_coefficient = 0.0;
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_linear_coefficient = 0.0;
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_quadratic_coefficient = 1.0;
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_modeling_light = false;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FltLightSourceDefinition::extract_record
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// Access: Protected, Virtual
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// Description: Fills in the information in this record based on the
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// information given in the indicated datagram, whose
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// opcode has already been read. Returns true on
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// success, false if the datagram is invalid.
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////////////////////////////////////////////////////////////////////
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bool FltLightSourceDefinition::
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extract_record(FltRecordReader &reader) {
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if (!FltRecord::extract_record(reader)) {
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return false;
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}
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nassertr(reader.get_opcode() == FO_light_definition, false);
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DatagramIterator &iterator = reader.get_iterator();
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_light_index = iterator.get_be_int32();
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iterator.skip_bytes(2*4);
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_light_name = iterator.get_fixed_string(20);
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iterator.skip_bytes(4);
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_ambient[0] = iterator.get_be_float32();
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_ambient[1] = iterator.get_be_float32();
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_ambient[2] = iterator.get_be_float32();
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_ambient[3] = iterator.get_be_float32();
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_diffuse[0] = iterator.get_be_float32();
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_diffuse[1] = iterator.get_be_float32();
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_diffuse[2] = iterator.get_be_float32();
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_diffuse[3] = iterator.get_be_float32();
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_specular[0] = iterator.get_be_float32();
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_specular[1] = iterator.get_be_float32();
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_specular[2] = iterator.get_be_float32();
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_specular[3] = iterator.get_be_float32();
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_light_type = (LightType)iterator.get_be_int32();
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iterator.skip_bytes(4*10);
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_exponential_dropoff = iterator.get_be_float32();
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_cutoff_angle = iterator.get_be_float32();
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_yaw = iterator.get_be_float32();
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_pitch = iterator.get_be_float32();
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_constant_coefficient = iterator.get_be_float32();
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_linear_coefficient = iterator.get_be_float32();
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_quadratic_coefficient = iterator.get_be_float32();
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_modeling_light = (iterator.get_be_int32() != 0);
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iterator.skip_bytes(4*19);
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check_remaining_size(iterator);
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return true;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FltLightSourceDefinition::build_record
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// Access: Protected, Virtual
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// Description: Fills up the current record on the FltRecordWriter with
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// data for this record, but does not advance the
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// writer. Returns true on success, false if there is
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// some error.
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////////////////////////////////////////////////////////////////////
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bool FltLightSourceDefinition::
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build_record(FltRecordWriter &writer) const {
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if (!FltRecord::build_record(writer)) {
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return false;
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}
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writer.set_opcode(FO_light_definition);
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Datagram &datagram = writer.update_datagram();
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datagram.add_be_int32(_light_index);
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datagram.pad_bytes(2*4);
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datagram.add_fixed_string(_light_name, 20);
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datagram.pad_bytes(4);
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datagram.add_be_float32(_ambient[0]);
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datagram.add_be_float32(_ambient[1]);
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datagram.add_be_float32(_ambient[2]);
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datagram.add_be_float32(_ambient[3]);
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datagram.add_be_float32(_diffuse[0]);
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datagram.add_be_float32(_diffuse[1]);
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datagram.add_be_float32(_diffuse[2]);
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datagram.add_be_float32(_diffuse[3]);
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datagram.add_be_float32(_specular[0]);
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datagram.add_be_float32(_specular[1]);
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datagram.add_be_float32(_specular[2]);
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datagram.add_be_float32(_specular[3]);
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datagram.add_be_int32(_light_type);
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datagram.pad_bytes(4*10);
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datagram.add_be_float32(_exponential_dropoff);
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datagram.add_be_float32(_cutoff_angle);
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datagram.add_be_float32(_yaw);
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datagram.add_be_float32(_pitch);
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datagram.add_be_float32(_constant_coefficient);
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datagram.add_be_float32(_linear_coefficient);
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datagram.add_be_float32(_quadratic_coefficient);
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datagram.add_be_int32(_modeling_light);
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datagram.pad_bytes(4*19);
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return true;
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}
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