OpenAL32/Include/alListener.h

   1 #ifndef _AL_LISTENER_H_
   2 #define _AL_LISTENER_H_
   3
   4 #include "alMain.h"
   5 #include "alu.h"
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 struct ALlistenerProps {
  12     ATOMIC(ALfloat) Position[3];
  13     ATOMIC(ALfloat) Velocity[3];
  14     ATOMIC(ALfloat) Forward[3];
  15     ATOMIC(ALfloat) Up[3];
  16     ATOMIC(ALfloat) Gain;
  17     ATOMIC(ALfloat) MetersPerUnit;
  18
  19     ATOMIC(ALfloat) DopplerFactor;
  20     ATOMIC(ALfloat) DopplerVelocity;
  21     ATOMIC(ALfloat) SpeedOfSound;
  22
  23     ATOMIC(struct ALlistenerProps*) next;
  24 };
  25
  26 typedef struct ALlistener {
  27     volatile ALfloat Position[3];
  28     volatile ALfloat Velocity[3];
  29     volatile ALfloat Forward[3];
  30     volatile ALfloat Up[3];
  31     volatile ALfloat Gain;
  32     volatile ALfloat MetersPerUnit;
  33
  34     /* Pointer to the most recent property values that are awaiting an update.
  35      */
  36     ATOMIC(struct ALlistenerProps*) Update;
  37
  38     /* A linked list of unused property containers, free to use for future
  39      * updates.
  40      */
  41     ATOMIC(struct ALlistenerProps*) FreeList;
  42
  43     struct {
  44         aluMatrixf Matrix;
  45         aluVector  Velocity;
  46
  47         ALfloat Gain;
  48         ALfloat MetersPerUnit;
  49
  50         ALfloat DopplerFactor;
  51         ALfloat SpeedOfSound;
  52     } Params;
  53 } ALlistener;
  54
  55 void UpdateListenerProps(ALCcontext *context);
  56
  57 #ifdef __cplusplus
  58 }
  59 #endif
  60
  61 #endif