Initial changes for Raylib 5.0 and some missing functions.

src/audio.c

@@ -7,6 +7,41 @@
 ## Audio - Audio device management functions
 */
 
+/*
+> RL.InitAudioDevice()
+
+Initialize audio device and context
+*/
+int laudioInitAudioDevice( lua_State *L ) {
+	InitAudioDevice();
+
+	return 0;
+}
+
+/*
+> RL.CloseAudioDevice()
+
+Close the audio device and context
+*/
+int laudioCloseAudioDevice( lua_State *L ) {
+	CloseAudioDevice();
+
+	return 0;
+}
+
+/*
+> isReady = RL.IsAudioDeviceReady()
+
+Check if audio device has been initialized successfully
+
+- Success return bool
+*/
+int laudioIsAudioDeviceReady( lua_State *L ) {
+	lua_pushboolean( L, IsAudioDeviceReady() );
+
+	return 1;
+}
+
 /*
 > RL.SetMasterVolume( float volume )
 
@@ -20,6 +55,19 @@ int laudioSetMasterVolume( lua_State *L ) {
 	return 0;
 }
 
+/*
+> isReady = RL.GetMasterVolume()
+
+Get master volume (listener)
+
+- Success return float
+*/
+int laudioGetMasterVolume( lua_State *L ) {
+	lua_pushnumber( L, GetMasterVolume() );
+
+	return 1;
+}
+
 /*
 ## Audio - Wave/Sound loading/unloading functions
 */
@@ -94,6 +142,21 @@ int laudioLoadSoundFromWave( lua_State *L ) {
 	return 1;
 }
 
+/*
+> sound = RL.LoadSoundAlias( Sound source )
+
+Create a new sound that shares the same sample data as the source sound, does not own the sound data
+
+- Success return Sound
+*/
+int laudioLoadSoundAlias( lua_State *L ) {
+	Sound *source = uluaGetSound( L, 1 );
+
+	uluaPushSound( L, LoadSoundAlias( *source ) );
+
+	return 1;
+}
+
 /*
 > isReady = RL.IsSoundReady( Sound sound )
 
@@ -135,6 +198,19 @@ int laudioUnloadSound( lua_State *L ) {
 	return 0;
 }
 
+/*
+> RL.UnloadSoundAlias( Sound alias )
+
+Unload a sound alias (does not deallocate sample data)
+*/
+int laudioUnloadSoundAlias( lua_State *L ) {
+	Sound *alias = uluaGetSound( L, 1 );
+
+	UnloadSoundAlias( *alias );
+
+	return 0;
+}
+
 /*
 > success = RL.ExportWave( Wave wave, string fileName )