v1.4.4

source/game/StarAmbient.hpp

@@ -0,0 +1,71 @@
+#ifndef STAR_AMBIENT_HPP
+#define STAR_AMBIENT_HPP
+
+#include "StarJson.hpp"
+
+namespace Star {
+
+STAR_CLASS(AudioInstance);
+STAR_STRUCT(AmbientTrackGroup);
+STAR_STRUCT(AmbientNoisesDescription);
+STAR_CLASS(AmbientManager);
+
+struct AmbientTrackGroup {
+  AmbientTrackGroup();
+  AmbientTrackGroup(StringList tracks);
+  AmbientTrackGroup(Json const& config, String const& directory = "");
+
+  Json toJson() const;
+
+  StringList tracks;
+};
+
+// represents the ambient sounds data for a biome
+struct AmbientNoisesDescription {
+  AmbientNoisesDescription();
+  AmbientNoisesDescription(AmbientTrackGroup day, AmbientTrackGroup night);
+  AmbientNoisesDescription(Json const& config, String const& directory = "");
+
+  Json toJson() const;
+
+  AmbientTrackGroup daySounds;
+  AmbientTrackGroup nightSounds;
+};
+
+typedef AmbientTrackGroup WeatherNoisesDescription;
+typedef shared_ptr<WeatherNoisesDescription> WeatherNoisesDescriptionPtr;
+
+// manages the running ambient sounds
+class AmbientManager {
+public:
+  // Automatically calls cancelAll();
+  ~AmbientManager();
+
+  void setTrackSwitchGrace(float grace);
+  void setTrackFadeInTime(float fadeInTime);
+
+  // Returns a new AudioInstance if a new ambient sound is to be started.
+  AudioInstancePtr updateAmbient(AmbientNoisesDescriptionPtr current, bool dayTime = false);
+  AudioInstancePtr updateWeather(WeatherNoisesDescriptionPtr current);
+  void cancelAll();
+
+  void setVolume(float volume, float delay, float duration);
+
+private:
+  AudioInstancePtr m_currentTrack;
+  AudioInstancePtr m_weatherTrack;
+  String m_currentTrackName;
+  String m_weatherTrackName;
+  float m_trackFadeInTime = 0.0f;
+  float m_trackSwitchGrace = 0.0f;
+  double m_trackGraceTimestamp = 0;
+  Deque<String> m_recentTracks;
+  float m_volume = 1.0f;
+  float m_delay = 0.0f;
+  float m_duration = 0.0f;
+  bool m_volumeChanged = false;
+};
+
+}
+
+#endif