g_src/music_and_sound_openal.h

   1 #ifndef MUSIC_AND_SOUND_OPENAL_H
   2 #define MUSIC_AND_SOUND_OPENAL_H
   3
   4 #include <AL/al.h>
   5 #include <AL/alc.h>
   6
   7 // HACKY HACKY HACK
   8 // Fixes sndfile.h, until the bug is properly fixed
   9 #include <stdio.h>
  10 #include <sys/types.h>
  11 #define _MSCVER
  12 typedef int64_t __int64;
  13 #include <sndfile.h>
  14 #undef _MSCVER
  15 // END HACKY HACKY HACK
  16
  17 #include <string>
  18 #include <vector>
  19 #include <list>
  20 #include <map>
  21 #include <algorithm>
  22 #include <utility>
  23
  24 #define SOUND_CHANNELNUM 16
  25
  26 // Preferred mixer frequency. Should be the same as what the ogg files
  27 // use, to avoid resampling.
  28 #define SOUND_FREQUENCY 44100
  29
  30 // If the bool is false, a sound; otherwise a song
  31 typedef std::pair<bool,int> slot;
  32
  33 class musicsoundst
  34 {
  35  public:
  36   bool initsound(); // Returns false if it failed
  37   void update() {}
  38   void set_master_volume(long newvol);
  39
  40   void set_song(std::string &filename, slot slot);
  41   void set_song(std::string &filename, int slot);
  42   void playsound(slot slot);
  43   void playsound(int slot); // Assumes sound
  44
  45   void startbackgroundmusic(slot slot);
  46   void startbackgroundmusic(int slot); // Assumes song
  47   void stopbackgroundmusic();
  48   void stop_sound();
  49   void stop_sound(slot slot);
  50   void playsound(int s,int channel);
  51   void set_sound(std::string &filename,int slot,int pan=-1,int priority=0);
  52   void deinitsound();
  53
  54   // Deprecated:
  55   void forcebackgroundmusic(int slot, unsigned long time);
  56   void playsound(int s,int min_channel,int max_channel,int force_channel);
  57   void set_sound_params(int slot,int p1,int vol,int pan,int priority);
  58
  59   musicsoundst() {
  60     functional = false;
  61     background_slot = slot(false,-1);
  62   }
  63
  64   ~musicsoundst() {
  65     deinitsound();
  66   }
  67
  68  private:
  69   bool functional;
  70   ALCdevice *device;
  71   ALCcontext *context;
  72
  73   std::map<std::string,ALuint> buffers; // OpenAL buffers
  74   std::map<std::string,ALuint> sources; // And sources
  75   std::map<slot, ALuint> slot_buffer; // Mappings from DF slots to openal
  76   std::map<slot, ALuint> slot_source;
  77
  78   slot background_slot; // Currently playing background music, or -1
  79 };
  80
  81
  82 #endif