lovr.audio.getVolume; lovr.audio.setVolume;

src/audio/audio.c

@@ -71,6 +71,12 @@ void lovrAudioGetPosition(float* x, float* y, float* z) {
   alGetListener3f(AL_POSITION, x, y, z);
 }
 
+float lovrAudioGetVolume() {
+  float volume;
+  alGetListenerf(AL_GAIN, &volume);
+  return volume;
+}
+
 int lovrAudioHas(Source* source) {
   int index;
   vec_find(&state.sources, source, index);
@@ -107,6 +113,10 @@ void lovrAudioSetPosition(float x, float y, float z) {
   alListener3f(AL_POSITION, x, y, z);
 }
 
+void lovrAudioSetVolume(float volume) {
+  alListenerf(AL_GAIN, volume);
+}
+
 void lovrAudioStop() {
   int i; Source* source;
   vec_foreach(&state.sources, source, i) {

src/audio/audio.h

@@ -20,10 +20,12 @@ void lovrAudioUpdate();
 void lovrAudioAdd(Source* source);
 void lovrAudioGetOrientation(float* fx, float* fy, float* fz, float* ux, float* uy, float* uz);
 void lovrAudioGetPosition(float* x, float* y, float* z);
+float lovrAudioGetVolume();
 int lovrAudioHas(Source* source);
 void lovrAudioPause();
 void lovrAudioResume();
 void lovrAudioRewind();
 void lovrAudioSetOrientation(float fx, float fy, float fz, float ux, float uy, float uz);
 void lovrAudioSetPosition(float x, float y, float z);
+void lovrAudioSetVolume(float volume);
 void lovrAudioStop();

src/lovr/audio.c

@@ -9,12 +9,14 @@ const luaL_Reg lovrAudio[] = {
   { "update", l_lovrAudioUpdate },
   { "getOrientation", l_lovrAudioGetOrientation },
   { "getPosition", l_lovrAudioGetPosition },
+  { "getVolume", l_lovrAudioGetVolume },
   { "newSource", l_lovrAudioNewSource },
   { "pause", l_lovrAudioPause },
   { "resume", l_lovrAudioResume },
   { "rewind", l_lovrAudioRewind },
   { "setOrientation", l_lovrAudioSetOrientation },
   { "setPosition", l_lovrAudioSetPosition },
+  { "setVolume", l_lovrAudioSetVolume },
   { "stop", l_lovrAudioStop },
   { NULL, NULL }
 };
@@ -58,6 +60,11 @@ int l_lovrAudioGetPosition(lua_State* L) {
   return 3;
 }
 
+int l_lovrAudioGetVolume(lua_State* L) {
+  lua_pushnumber(L, lovrAudioGetVolume());
+  return 1;
+}
+
 int l_lovrAudioNewSource(lua_State* L) {
   const char* filename = luaL_checkstring(L, 1);
   if (!strstr(filename, ".ogg")) {
@@ -109,6 +116,12 @@ int l_lovrAudioSetPosition(lua_State* L) {
   return 0;
 }
 
+int l_lovrAudioSetVolume(lua_State* L) {
+  float volume = luaL_checknumber(L, 1);
+  lovrAudioSetVolume(volume);
+  return 0;
+}
+
 int l_lovrAudioStop(lua_State* L) {
   lovrAudioStop();
   return 0;

src/lovr/audio.h

@@ -10,10 +10,12 @@ int l_lovrAudioInit(lua_State* L);
 int l_lovrAudioUpdate(lua_State* L);
 int l_lovrAudioGetOrientation(lua_State* L);
 int l_lovrAudioGetPosition(lua_State* L);
+int l_lovrAudioGetVolume(lua_State* L);
 int l_lovrAudioNewSource(lua_State* L);
 int l_lovrAudioPause(lua_State* L);
 int l_lovrAudioResume(lua_State* L);
 int l_lovrAudioRewind(lua_State* L);
 int l_lovrAudioSetOrientation(lua_State* L);
 int l_lovrAudioSetPosition(lua_State* L);
+int l_lovrAudioSetVolume(lua_State* L);
 int l_lovrAudioStop(lua_State* L);