101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
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/**
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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 audioVolumeAttrib.h
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* @author darren
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* @date 2006-12-15
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*/
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#ifndef AUDIOVOLUMEATTRIB_H
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#define AUDIOVOLUMEATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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#include "luse.h"
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class FactoryParams;
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/**
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* Applies a scale to audio volume for positional sounds in the scene graph.
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*/
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class EXPCL_PANDA_PGRAPH AudioVolumeAttrib : public RenderAttrib {
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protected:
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AudioVolumeAttrib(bool off, PN_stdfloat volume);
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INLINE AudioVolumeAttrib(const AudioVolumeAttrib ©);
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PUBLISHED:
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static CPT(RenderAttrib) make_identity();
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static CPT(RenderAttrib) make(PN_stdfloat volume);
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static CPT(RenderAttrib) make_off();
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static CPT(RenderAttrib) make_default();
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INLINE bool is_off() const;
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INLINE bool has_volume() const;
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INLINE PN_stdfloat get_volume() const;
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CPT(RenderAttrib) set_volume(PN_stdfloat volume) const;
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PUBLISHED:
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MAKE_PROPERTY2(volume, has_volume, get_volume);
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public:
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virtual void output(std::ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual size_t get_hash_impl() const;
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virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
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virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
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private:
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bool _off;
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bool _has_volume;
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PN_stdfloat _volume;
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static CPT(RenderAttrib) _identity_attrib;
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PUBLISHED:
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static int get_class_slot() {
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return _attrib_slot;
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}
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virtual int get_slot() const {
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return get_class_slot();
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}
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MAKE_PROPERTY(class_slot, get_class_slot);
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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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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RenderAttrib::init_type();
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register_type(_type_handle, "AudioVolumeAttrib",
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RenderAttrib::get_class_type());
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_attrib_slot = register_slot(_type_handle, 100, new AudioVolumeAttrib(false, 1));
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}
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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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private:
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static TypeHandle _type_handle;
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static int _attrib_slot;
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};
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#include "audioVolumeAttrib.I"
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#endif
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