fixed clang warnings

src/audio/AL/ALAudio.cpp

@@ -100,7 +100,6 @@ void ALStream::update(double delta) {
         uint buffer;
         AL_CHECK(alSourceUnqueueBuffers(source, 1, &buffer));
         unusedBuffers.push(buffer);
-        std::cout << "unqueue " << buffer << std::endl;
     }
 
     uint preloaded = 0;
@@ -109,15 +108,12 @@ void ALStream::update(double delta) {
         if (preloadBuffer(buffer, loop)) {
             preloaded++;
             unusedBuffers.pop();
-            std::cout << "queue " << buffer << std::endl;
             AL_CHECK(alSourceQueueBuffers(source, 1, &buffer));
         }
     }
     if (speaker->isStopped() && !speaker->isStoppedManually()) {
-        std::cout << "preloaded " << preloaded << std::endl;
         if (preloaded) {
             speaker->play();
-            std::cout << "speaker restored" << std::endl;
         } else {
             speaker->stop();
         }

src/audio/audio.cpp

@@ -88,7 +88,7 @@ public:
         return totalSamples;
     }
 
-    duration_t getTotalDuration() const {
+    duration_t getTotalDuration() const override {
         return static_cast<duration_t>(totalSamples) / 
                static_cast<duration_t>(sampleRate);
     }

src/coders/ogg.cpp

@@ -96,43 +96,43 @@ public:
         return bytes;
     }
 
-    void close() {
+    void close() override {
         if (!closed) {
             ov_clear(&vf);
             closed = true;
         }
     }
 
-    bool isOpen() const {
+    bool isOpen() const override {
         return !closed;
     }
 
-    size_t getTotalSamples() const {
+    size_t getTotalSamples() const override {
         return totalSamples;
     }
 
-    duration_t getTotalDuration() const {
+    duration_t getTotalDuration() const override {
         return static_cast<duration_t>(totalSamples) /
                static_cast<duration_t>(sampleRate);
     }
 
-    uint getChannels() const {
+    uint getChannels() const override {
         return channels;
     }
 
-    uint getSampleRate() const {
+    uint getSampleRate() const override {
         return sampleRate;
     }
 
-    uint getBitsPerSample() const {
+    uint getBitsPerSample() const override {
         return 16;
     }
 
-    bool isSeekable() const {
+    bool isSeekable() const override {
         return seekable;
     }
 
-    void seek(size_t position) {
+    void seek(size_t position) override {
         if (!closed && seekable) {
             ov_raw_seek(&vf, position);
         }

src/frontend/screens.cpp

@@ -150,10 +150,10 @@ void LevelScreen::update(float delta) {
         updateHotkeys();
     }
 
-    auto camera = level->player->camera;
+    auto camera = this->level->player->camera;
     audio::setListener(
         camera->position, 
-        level->player->hitbox->velocity,
+        this->level->player->hitbox->velocity,
         camera->position+camera->dir, 
         camera->up
     );