Sound volume is controllable from settings menu

#7

1 files changed, 11 insertions, 1 deletions

@@ -4,9 +4,12 @@
 void Mixer::playSound(std::string_view filename) {
   Mix_Chunk* chunk = getChunkByFilename(std::string(filename));
 
-  if (Mix_PlayChannel(-1, chunk, 0) == -1) {
+  int ret = Mix_PlayChannel(-1, chunk, 0);
+  if (ret == -1) {
     throw mix_error();
   }
+
+  Mix_Volume(ret, soundVolume_);
 }
 
 int Mixer::loopSound(std::string_view filename) {
@@ -17,6 +20,8 @@ int Mixer::loopSound(std::string_view filename) {
     throw mix_error();
   }
 
+  Mix_Volume(ret, soundVolume_);
+
   return ret;
 }
 
@@ -32,6 +37,11 @@ void Mixer::unpauseSounds() {
   Mix_Resume(-1);
 }
 
+void Mixer::setSoundVolume(int vol) {
+  soundVolume_ = MIX_MAX_VOLUME / 10.0 * vol;
+  Mix_Volume(-1, soundVolume_);
+}
+
 void Mixer::playMusic(std::string_view name, int ms) {
   Mix_Music* song = getMusicByName(name);
   int ret;