historical/toontown-classic.git/panda/include/audioVolumeAttrib.h
2024-01-16 11:20:27 -06:00

100 lines
2.6 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file audioVolumeAttrib.h
* @author darren
* @date 2006-12-15
*/
#ifndef AUDIOVOLUMEATTRIB_H
#define AUDIOVOLUMEATTRIB_H
#include "pandabase.h"
#include "renderAttrib.h"
#include "luse.h"
class FactoryParams;
/**
* Applies a scale to audio volume for positional sounds in the scene graph.
*/
class EXPCL_PANDA_PGRAPH AudioVolumeAttrib : public RenderAttrib {
protected:
AudioVolumeAttrib(bool off, PN_stdfloat volume);
INLINE AudioVolumeAttrib(const AudioVolumeAttrib &copy);
PUBLISHED:
static CPT(RenderAttrib) make_identity();
static CPT(RenderAttrib) make(PN_stdfloat volume);
static CPT(RenderAttrib) make_off();
static CPT(RenderAttrib) make_default();
INLINE bool is_off() const;
INLINE bool has_volume() const;
INLINE PN_stdfloat get_volume() const;
CPT(RenderAttrib) set_volume(PN_stdfloat volume) const;
PUBLISHED:
MAKE_PROPERTY2(volume, has_volume, get_volume);
public:
virtual void output(std::ostream &out) const;
protected:
virtual int compare_to_impl(const RenderAttrib *other) const;
virtual size_t get_hash_impl() const;
virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
private:
bool _off;
bool _has_volume;
PN_stdfloat _volume;
static CPT(RenderAttrib) _identity_attrib;
PUBLISHED:
static int get_class_slot() {
return _attrib_slot;
}
virtual int get_slot() const {
return get_class_slot();
}
MAKE_PROPERTY(class_slot, get_class_slot);
public:
static void register_with_read_factory();
virtual void write_datagram(BamWriter *manager, Datagram &dg);
protected:
static TypedWritable *make_from_bam(const FactoryParams &params);
void fillin(DatagramIterator &scan, BamReader *manager);
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
RenderAttrib::init_type();
register_type(_type_handle, "AudioVolumeAttrib",
RenderAttrib::get_class_type());
_attrib_slot = register_slot(_type_handle, 100, new AudioVolumeAttrib(false, 1));
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
static int _attrib_slot;
};
#include "audioVolumeAttrib.I"
#endif