OpenAL32/Include/alListener.h

   1 #ifndef _AL_LISTENER_H_
   2 #define _AL_LISTENER_H_
   3
   4 #include "AL/alc.h"
   5 #include "AL/al.h"
   6 #include "AL/alext.h"
   7
   8 #include "atomic.h"
   9 #include "vecmat.h"
  10
  11 enum class DistanceModel;
  12
  13
  14 struct ALlistenerProps {
  15     ALfloat Position[3];
  16     ALfloat Velocity[3];
  17     ALfloat Forward[3];
  18     ALfloat Up[3];
  19     ALfloat Gain;
  20
  21     std::atomic<ALlistenerProps*> next;
  22 };
  23
  24 struct ALlistener {
  25     ALfloat Position[3]{0.0f, 0.0f, 0.0f};
  26     ALfloat Velocity[3]{0.0f, 0.0f, 0.0f};
  27     ALfloat Forward[3]{0.0f, 0.0f, -1.0f};
  28     ALfloat Up[3]{0.0f, 1.0f, 0.0f};
  29     ALfloat Gain{1.0f};
  30
  31     std::atomic_flag PropsClean{true};
  32
  33     /* Pointer to the most recent property values that are awaiting an update.
  34      */
  35     std::atomic<ALlistenerProps*> Update{nullptr};
  36
  37     struct {
  38         alu::Matrix Matrix;
  39         alu::Vector Velocity;
  40
  41         ALfloat Gain;
  42         ALfloat MetersPerUnit;
  43
  44         ALfloat DopplerFactor;
  45         ALfloat SpeedOfSound; /* in units per sec! */
  46         ALfloat ReverbSpeedOfSound; /* in meters per sec! */
  47
  48         ALboolean SourceDistanceModel;
  49         DistanceModel mDistanceModel;
  50     } Params;
  51 };
  52
  53 void UpdateListenerProps(ALCcontext *context);
  54
  55 #endif