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00015 #ifndef AUDIOVOLUMEATTRIB_H
00016 #define AUDIOVOLUMEATTRIB_H
00017
00018 #include "pandabase.h"
00019
00020 #include "renderAttrib.h"
00021 #include "luse.h"
00022
00023 class FactoryParams;
00024
00025
00026
00027
00028
00029
00030 class EXPCL_PANDA_PGRAPH AudioVolumeAttrib : public RenderAttrib {
00031 protected:
00032 AudioVolumeAttrib(bool off, PN_stdfloat volume);
00033 INLINE AudioVolumeAttrib(const AudioVolumeAttrib ©);
00034
00035 PUBLISHED:
00036 static CPT(RenderAttrib) make_identity();
00037 static CPT(RenderAttrib) make(PN_stdfloat volume);
00038 static CPT(RenderAttrib) make_off();
00039 static CPT(RenderAttrib) make_default();
00040
00041 INLINE bool is_off() const;
00042 INLINE bool has_volume() const;
00043 INLINE PN_stdfloat get_volume() const;
00044 CPT(RenderAttrib) set_volume(PN_stdfloat volume) const;
00045
00046 public:
00047 virtual void output(ostream &out) const;
00048
00049 protected:
00050 virtual int compare_to_impl(const RenderAttrib *other) const;
00051 virtual size_t get_hash_impl() const;
00052 virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
00053 virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
00054
00055 private:
00056 bool _off;
00057 bool _has_volume;
00058 PN_stdfloat _volume;
00059 static CPT(RenderAttrib) _identity_attrib;
00060
00061 PUBLISHED:
00062 static int get_class_slot() {
00063 return _attrib_slot;
00064 }
00065 virtual int get_slot() const {
00066 return get_class_slot();
00067 }
00068
00069 public:
00070 static void register_with_read_factory();
00071 virtual void write_datagram(BamWriter *manager, Datagram &dg);
00072
00073 protected:
00074 static TypedWritable *make_from_bam(const FactoryParams ¶ms);
00075 void fillin(DatagramIterator &scan, BamReader *manager);
00076
00077 public:
00078 static TypeHandle get_class_type() {
00079 return _type_handle;
00080 }
00081 static void init_type() {
00082 RenderAttrib::init_type();
00083 register_type(_type_handle, "AudioVolumeAttrib",
00084 RenderAttrib::get_class_type());
00085 _attrib_slot = register_slot(_type_handle, 100, make_default);
00086 }
00087 virtual TypeHandle get_type() const {
00088 return get_class_type();
00089 }
00090 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00091
00092 private:
00093 static TypeHandle _type_handle;
00094 static int _attrib_slot;
00095 };
00096
00097 #include "audioVolumeAttrib.I"
00098
00099 #endif
00100