81 lines
2 KiB
C++
81 lines
2 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file fltLightSourceDefinition.h
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* @author drose
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* @date 2000-08-26
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*/
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#ifndef FLTLIGHTSOURCEDEFINITION_H
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#define FLTLIGHTSOURCEDEFINITION_H
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#include "pandatoolbase.h"
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#include "fltRecord.h"
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#include "luse.h"
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/**
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* Represents a single entry in the light source palette. This completely
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* defines the color, etc. of a single light source, which may be referenced
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* later by a FltLightSource bead in the hierarchy.
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*/
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class FltLightSourceDefinition : public FltRecord {
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public:
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FltLightSourceDefinition(FltHeader *header);
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enum LightType {
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LT_infinite = 0,
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LT_local = 1,
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LT_spot = 2
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};
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int _light_index;
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std::string _light_name;
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LColor _ambient;
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LColor _diffuse;
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LColor _specular;
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LightType _light_type;
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PN_stdfloat _exponential_dropoff;
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PN_stdfloat _cutoff_angle; // in degrees
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// yaw and pitch only for modeling lights, which are positioned at the
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// eyepoint.
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PN_stdfloat _yaw;
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PN_stdfloat _pitch;
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PN_stdfloat _constant_coefficient;
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PN_stdfloat _linear_coefficient;
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PN_stdfloat _quadratic_coefficient;
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bool _modeling_light;
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protected:
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virtual bool extract_record(FltRecordReader &reader);
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virtual bool build_record(FltRecordWriter &writer) const;
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public:
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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FltRecord::init_type();
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register_type(_type_handle, "FltLightSourceDefinition",
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FltRecord::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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friend class FltHeader;
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};
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#endif
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