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 update(ALfloat gain, ALfloat pitch);
  29
  30     void unsetParent();
  31
  32     void insertSubGroup(SourceGroupImpl *group);
  33     void eraseSubGroup(SourceGroupImpl *group);
  34
  35     bool findInSubGroups(SourceGroupImpl *group) const;
  36
  37     void collectPlayingSourceIds(Vector<ALuint> &sourceids) const;
  38     void updatePausedStatus() const;
  39
  40     void collectPausedSourceIds(Vector<ALuint> &sourceids) const;
  41     void updatePlayingStatus() const;
  42
  43     void collectSourceIds(Vector<ALuint> &sourceids) const;
  44     void updateStoppedStatus() const;
  45
  46 public:
  47     SourceGroupImpl(ContextImpl *context, StringView name)
  48       : mContext(context), mParent(nullptr), mName(String(name))
  49     { }
  50
  51     ALfloat getAppliedGain() const { return mGain * mParentProps.mGain; }
  52     ALfloat getAppliedPitch() const { return mPitch * mParentProps.mPitch; }
  53
  54     void insertSource(SourceImpl *source);
  55     void eraseSource(SourceImpl *source);
  56
  57     void setParentGroup(SourceGroup group);
  58     SourceGroup getParentGroup() const { return SourceGroup(mParent); }
  59
  60     Vector<Source> getSources() const;
  61
  62     Vector<SourceGroup> getSubGroups() const;
  63
  64     void setGain(ALfloat gain);
  65     ALfloat getGain() const { return mGain; }
  66
  67     void setPitch(ALfloat pitch);
  68     ALfloat getPitch() const { return mPitch; }
  69
  70     void pauseAll() const;
  71     void resumeAll() const;
  72
  73     void stopAll() const;
  74
  75     StringView getName() const { return mName; }
  76
  77     void release();
  78 };
  79
  80 } // namespace alure2
  81
  82 #endif /* SOURCEGROUP_H */