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 ALcontextProps {
  12     ALfloat DopplerFactor;
  13     ALfloat DopplerVelocity;
  14     ALfloat SpeedOfSound;
  15     ALboolean SourceDistanceModel;
  16     enum DistanceModel DistanceModel;
  17     ALfloat MetersPerUnit;
  18
  19     ATOMIC(struct ALcontextProps*) next;
  20 };
  21
  22 struct ALlistenerProps {
  23     ALfloat Position[3];
  24     ALfloat Velocity[3];
  25     ALfloat Forward[3];
  26     ALfloat Up[3];
  27     ALfloat Gain;
  28
  29     ATOMIC(struct ALlistenerProps*) next;
  30 };
  31
  32 typedef struct ALlistener {
  33     alignas(16) ALfloat Position[3];
  34     ALfloat Velocity[3];
  35     ALfloat Forward[3];
  36     ALfloat Up[3];
  37     ALfloat Gain;
  38
  39     ATOMIC_FLAG PropsClean;
  40
  41     /* Pointer to the most recent property values that are awaiting an update.
  42      */
  43     ATOMIC(struct ALlistenerProps*) Update;
  44
  45     /* A linked list of unused property containers, free to use for future
  46      * updates.
  47      */
  48     ATOMIC(struct ALlistenerProps*) FreeList;
  49
  50     struct {
  51         aluMatrixf Matrix;
  52         aluVector  Velocity;
  53
  54         ALfloat Gain;
  55         ALfloat MetersPerUnit;
  56
  57         ALfloat DopplerFactor;
  58         ALfloat SpeedOfSound; /* in units per sec! */
  59         ALfloat ReverbSpeedOfSound; /* in meters per sec! */
  60
  61         ALboolean SourceDistanceModel;
  62         enum DistanceModel DistanceModel;
  63     } Params;
  64 } ALlistener;
  65
  66 void UpdateListenerProps(ALCcontext *context);
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #endif