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 &mContext;
  19
  20     Vector<SourceImpl*> mSources;
  21     Vector<SourceGroupImpl*> mSubGroups;
  22
  23     SourceGroupProps mParentProps;
  24     SourceGroupImpl *mParent;
  25
  26     void update(ALfloat gain, ALfloat pitch);
  27
  28     void unsetParent();
  29
  30     void insertSubGroup(SourceGroupImpl *group);
  31     void eraseSubGroup(SourceGroupImpl *group);
  32
  33     bool findInSubGroups(SourceGroupImpl *group) const;
  34
  35     void collectPlayingSourceIds(Vector<ALuint> &sourceids) const;
  36     void updatePausedStatus() const;
  37
  38     void collectPausedSourceIds(Vector<ALuint> &sourceids) const;
  39     void updatePlayingStatus() const;
  40
  41     void collectSourceIds(Vector<ALuint> &sourceids) const;
  42     void updateStoppedStatus() const;
  43
  44 public:
  45     SourceGroupImpl(ContextImpl &context) : mContext(context), mParent(nullptr) { }
  46
  47     ALfloat getAppliedGain() const { return mGain * mParentProps.mGain; }
  48     ALfloat getAppliedPitch() const { return mPitch * mParentProps.mPitch; }
  49
  50     void insertSource(SourceImpl *source);
  51     void eraseSource(SourceImpl *source);
  52
  53     void setParentGroup(SourceGroup group);
  54     SourceGroup getParentGroup() const { return SourceGroup(mParent); }
  55
  56     Vector<Source> getSources() const;
  57
  58     Vector<SourceGroup> getSubGroups() const;
  59
  60     void setGain(ALfloat gain);
  61     ALfloat getGain() const { return mGain; }
  62
  63     void setPitch(ALfloat pitch);
  64     ALfloat getPitch() const { return mPitch; }
  65
  66     void pauseAll() const;
  67     void resumeAll() const;
  68
  69     void stopAll() const;
  70
  71     void destroy();
  72 };
  73
  74 } // namespace alure2
  75
  76 #endif /* SOURCEGROUP_H */