]> git.zerfleddert.de Git - micropolis/blobdiff - src/sim/w_sound.c
Add an SDL sound backend and use it instead of spawning an external
[micropolis] / src / sim / w_sound.c
index b9b323c7eb9fd27f8057f0186f76ae9cf4050a7a..260218341d12ccc1a58ca8c5ba1ea1f0a62e0515 100644 (file)
@@ -1,3 +1,7 @@
+/* 
+ * Portions Copyright (c) 2008 Deanna Phillips <deanna@sdf.lonestar.org>
+ */
+
 /* w_sound.c
  *
  * Micropolis, Unix Version.  This game was released for the Unix platform
  * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY
  * NOT APPLY TO YOU.
  */
+#include <SDL/SDL.h>
+#include <SDL/SDL_mixer.h>
 #include "sim.h"
 
 
+#define SIM_NSOUNDS    47
+#define SIM_NCHANNELS  32
+#define DOZER_CHANNEL  0
+#define DOZER_SOUND    "rumble.wav"
+
+struct sound {
+  char *id;
+  char *file;
+  Mix_Chunk *wave;
+};
+
+struct sound sounds[SIM_NSOUNDS] = {
+  { "A",               "a.wav",                NULL },
+  { "Aaah",            "aaah.wav",             NULL },
+  { "Airport",         "airport.wav",          NULL },
+  { "Beep",            "beep.wav",             NULL },
+  { "Boing",           "boing.wav",            NULL },
+  { "Bop",             "bop.wav",              NULL },
+  { "Build",           "build.wav",            NULL },
+  { "Bulldozer",       "bulldozer.wav",        NULL },
+  { "Chalk",           "chalk.wav",            NULL },
+  { "Coal",            "coal.wav",             NULL },
+  { "Com",             "com.wav",              NULL },
+  { "Computer",                "computer.wav",         NULL },
+  { "Cuckoo",          "cuckoo.wav",           NULL },
+  { "E",               "e.wav",                NULL },
+  { "Eraser",          "eraser.wav",           NULL },
+  { "Explosion-High",  "explosion-high.wav",   NULL },
+  { "Explosion-Low",   "explosion-low.wav",    NULL },
+  { "Fire",            "fire.wav",             NULL },
+  { "HeavyTraffic",    "heavytraffic.wav",     NULL },
+  { "HonkHonk-High",   "honkhonk-high.wav",    NULL },
+  { "HonkHonk-Low",    "honkhonk-low.wav",     NULL },
+  { "HonkHonk-Med",    "honkhonk-med.wav",     NULL },
+  { "Ignition",                "ignition.wav",         NULL },
+  { "Ind",             "ind.wav",              NULL },
+  { "Monster",         "monster.wav",          NULL },
+  { "Nuclear",         "nuclear.wav",          NULL },
+  { "O",               "o.wav",                NULL },
+  { "Oop",             "oop.wav",              NULL },
+  { "Park",            "park.wav",             NULL },
+  { "Player",          "player.wav",           NULL },
+  { "Police",          "police.wav",           NULL },
+  { "QuackQuack",      "quackquack.wav",       NULL },
+  { "Query",           "query.wav",            NULL },
+  { "Rail",            "rail.wav",             NULL },
+  { "Res",             "res.wav",              NULL },
+  { "Road",            "road.wav",             NULL },
+  { "Rumble",          "rumble.wav",           NULL },
+  { "Seaport",         "seaport.wav",          NULL },
+  { "Siren",           "siren.wav",            NULL },
+  { "Skid",            "skid.wav",             NULL },
+  { "Sorry",           "sorry.wav",            NULL },
+  { "Stadium",         "stadium.wav",          NULL },
+  { "UhUh",            "uhuh.wav",             NULL },
+  { "Whip",            "whip.wav",             NULL },
+  { "Wire",            "wire.wav",             NULL },
+  { "Woosh",           "woosh.wav",            NULL },
+  { "Zone",            "zone.wav",             NULL }
+};
+
 /* Sound routines */
 
 
 int SoundInitialized = 0;
-short Dozing;
+Mix_Chunk *rumble;
 
 
 InitializeSound()
 {
-  char cmd[256];
+  int reserved_chans;
+  char buf[256];
 
-  SoundInitialized = 1;
+  if (SDL_Init(SDL_INIT_AUDIO) == -1) {
+    fprintf(stderr, "SDL_Init: %s\n", SDL_GetError());
+    return;
+  }
 
-  if (!UserSoundOn) return;
+  if (Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 1, 1024) == -1) {
+    fprintf(stderr, "Mix_OpenAudio: %s\n", Mix_GetError());
+    return;
+  }
+
+  reserved_chans = Mix_ReserveChannels(1);
 
-  Eval("UIInitializeSound");
+  if (reserved_chans != 1) {
+    fprintf(stderr, "Mix_ReserveChannels: %s\n", Mix_GetError());
+    return;
+  }
+
+  if (Mix_AllocateChannels(SIM_NCHANNELS) == -1) {
+    fprintf(stderr, "Mix_AllocateChannels: %s\n", Mix_GetError());
+    return;
+  }
+
+  snprintf(buf, sizeof(buf), "%s/sounds/%s", ResourceDir, DOZER_SOUND);
+  rumble = Mix_LoadWAV(buf);
+
+  if (rumble == NULL) {
+    printf("Mix_LoadWAV: %s\n", Mix_GetError());
+    return;
+  }
+
+  SoundInitialized = 1;
 }
 
 
 ShutDownSound()
 {
-  if (SoundInitialized) {
-    SoundInitialized = 0;
-    Eval("UIShutDownSound");
+  int i;
+  SoundInitialized = 0;
+
+  for (i = 0; i < SIM_NSOUNDS; i++) {
+    if (sounds[i].wave) {
+      Mix_FreeChunk(sounds[i].wave);
+      sounds[i].wave = NULL;
+    }
+  }
+  if (rumble) {
+    Mix_FreeChunk(rumble);
+    rumble = NULL;
   }
+  Mix_CloseAudio();
+  SDL_Quit();
 }
 
 
 MakeSound(char *channel, char *id)
 {
   char buf[256];
+  int i;
 
   if (!UserSoundOn) return;
-  if (!SoundInitialized) InitializeSound();
+  if (!SoundInitialized) return;
 
-  sprintf(buf, "UIMakeSound \"%s\" \"%s\"", channel, id);
-  Eval(buf);
-}
+  for (i = 0; i < SIM_NSOUNDS; i++) {
+    if (!strcmp(sounds[i].id, id))
+      break;
+  }
+  
+  if (sounds[i].wave) {
+    if (Mix_PlayChannel(-1, sounds[i].wave, 0) == -1)
+      fprintf(stderr, "Mix_PlayChannel: %s\n", Mix_GetError());
+    return;
+  }
+
+  snprintf(buf, sizeof(buf), "%s/sounds/%s", ResourceDir,
+          sounds[i].file);
+
+  sounds[i].wave = Mix_LoadWAV(buf);
 
+  if (sounds[i].wave == NULL) {
+    fprintf(stderr, "Mix_LoadWAV: %s\n", Mix_GetError());
+    return;
+  }
+
+  if (Mix_PlayChannel(-1, sounds[i].wave, 0) == -1)
+    fprintf(stderr, "Mix_PlayChannel: %s\n", Mix_GetError());
+}
 
 MakeSoundOn(SimView *view, char *channel, char *id)
 {
-  char buf[256];
-
   if (!UserSoundOn) return;
-  if (!SoundInitialized) InitializeSound();
+  if (!SoundInitialized) return;
 
-  sprintf(buf, "UIMakeSoundOn %s \"%s\" \"%s\"",
-         Tk_PathName(view->tkwin), channel, id);
-  Eval(buf);
+  MakeSound(channel, id);
 }
 
 
 StartBulldozer(void)
 {
+  size_t size;
+  char buf[256];
+
   if (!UserSoundOn) return;
-  if (!SoundInitialized) InitializeSound();
-  if (!Dozing) {
-    DoStartSound("edit", "1");
-    Dozing = 1;
+  if (!SoundInitialized) return;
+
+  if (Mix_PlayChannel(DOZER_CHANNEL, rumble, 4) == -1) {
+    printf("Mix_PlayChannel: %s\n", Mix_GetError());
+    return;
   }
 }
 
 
 StopBulldozer(void)
 {
-  if ((!UserSoundOn) || (!SoundInitialized)) return;
-  DoStopSound("1");
-  Dozing = 0;
+  if (!UserSoundOn) return;
+  if (!SoundInitialized) return;
+
+  Mix_HaltChannel(DOZER_CHANNEL);
 }
 
 
-/* comefrom: doKeyEvent */
+/* XXX comefrom: doKeyEvent */
 SoundOff(void)
 {
-  if (!SoundInitialized) InitializeSound();
-  Eval("UISoundOff");
-  Dozing = 0;
+  ShutDownSound();
 }
 
 
 DoStartSound(char *channel, char *id)
 {
-  char buf[256];
+  MakeSound(channel, id);
+}
 
-  sprintf(buf, "UIStartSound %s %s", channel, id);
-  Eval(buf);
+DoStopSound(char *id)
+{
+  StopBulldozer();
 }
 
+SoundCmd(CLIENT_ARGS)
+{
+  if (!strcmp(argv[2], "Rumble"))
+    StartBulldozer();
+  else
+    MakeSound(NULL, argv[2]);
+  return 0;
+}
 
-DoStopSound(char *id)
+DozerCmd(CLIENT_ARGS)
 {
-  char buf[256];
+  StopBulldozer();
+  return 0;
+}
 
-  sprintf(buf, "UIStopSound %s", id);
-  Eval(buf);
+sound_command_init()
+{
+  Tcl_CreateCommand(tk_mainInterp, "playsound", SoundCmd,
+                   (ClientData)NULL, (void (*)()) NULL);
+  Tcl_CreateCommand(tk_mainInterp, "stopdozer", DozerCmd,
+                   (ClientData)NULL, (void (*)()) NULL);
 }
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