src/sourcegroup.h

   1 #ifndef SOURCEGROUP_H
   2 #define SOURCEGROUP_H
   3
   4 #include "main.h"
   5
   6
   7 namespace alure
   8 {
   9
  10 struct SourceGroupProps {
  11     ALfloat mGain;
  12     ALfloat mPitch;
  13
  14     SourceGroupProps() : mGain(1.0f), mPitch(1.0f) { }
  15 };
  16
  17 class SourceGroupImpl : SourceGroupProps {
  18     ContextImpl *const mContext;
  19
  20     Vector<SourceImpl*> mSources;
  21     Vector<SourceGroupImpl*> mSubGroups;
  22
  23     SourceGroupProps mParentProps;
  24     SourceGroupImpl *mParent;
  25
  26     const String mName;
  27
  28     void applyPropTree(SourceGroupProps &props) const
  29     {
  30         props.mGain *= mGain;
  31         props.mPitch *= mPitch;
  32         if(mParent)
  33             mParent->applyPropTree(props);
  34     }
  35
  36     void update(ALfloat gain, ALfloat pitch);
  37
  38     void setParentGroup(SourceGroupImpl *group);
  39     void unsetParentGroup();
  40
  41     void eraseSubGroup(SourceGroupImpl *group);
  42
  43     bool findInSubGroups(SourceGroupImpl *group) const;
  44
  45     void collectPlayingSourceIds(Vector<ALuint> &sourceids) const;
  46     void updatePausedStatus() const;
  47
  48     void collectPausedSourceIds(Vector<ALuint> &sourceids) const;
  49     void updatePlayingStatus() const;
  50
  51     void collectSourceIds(Vector<ALuint> &sourceids) const;
  52     void updateStoppedStatus() const;
  53
  54 public:
  55     SourceGroupImpl(ContextImpl *context, String name)
  56       : mContext(context), mParent(nullptr), mName(std::move(name))
  57     { }
  58
  59     ALfloat getAppliedGain() const { return mGain * mParentProps.mGain; }
  60     ALfloat getAppliedPitch() const { return mPitch * mParentProps.mPitch; }
  61
  62     void addSource(Source source);
  63     void removeSource(Source source);
  64
  65     void addSources(ArrayView<Source> sources);
  66     void removeSources(ArrayView<Source> sources);
  67
  68     void addSubGroup(SourceGroup group);
  69     void removeSubGroup(SourceGroup group);
  70
  71     Vector<Source> getSources() const;
  72
  73     Vector<SourceGroup> getSubGroups() const;
  74
  75     void setGain(ALfloat gain);
  76     ALfloat getGain() const { return mGain; }
  77
  78     void setPitch(ALfloat pitch);
  79     ALfloat getPitch() const { return mPitch; }
  80
  81     void pauseAll() const;
  82     void resumeAll() const;
  83
  84     void stopAll() const;
  85
  86     const String &getName() const { return mName; }
  87
  88     void release();
  89 };
  90
  91 } // namespace alure2
  92
  93 #endif /* SOURCEGROUP_H */