Ambient sounds.

Using Tremulous sounds (CC-BY-SA) as placeholders for wind.ogg and water.ogg.

1 files changed, 29 insertions, 0 deletions

diff --git a/src/audio.cpp b/src/audio.cpp
index 2f70fee..af6d24b 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -20,6 +20,7 @@ along with Minitrem.  If not, see <http://www.gnu.org/licenses/>.
 namespace audio {
 
 static std::list<sf::Sound> playing_sounds;
+static std::list<ambient_t*> ambient_sounds;
 
 void clean_sounds(void)
 {
@@ -41,4 +42,32 @@ void sound_t::play(void)
 	sound->play();
 }
 
+void ambient_t::load(const char *path)
+{
+	printf("load %s\n", path);
+	sound.openFromFile(path);
+	sound.setLoop(true);
+	ambient_sounds.push_back(this);
+}
+
+void update_ambience(bool playing)
+{
+	for (ambient_t *ambient : ambient_sounds) {
+		if (!playing) {
+			if (ambient->playing) {
+				ambient->sound.stop();
+				ambient->playing = false;
+			}
+			continue;
+		}
+
+		if (!ambient->playing) {
+			ambient->sound.play();
+			ambient->playing = true;
+		}
+
+		ambient->sound.setVolume(ambient->weight * 100.0f);
+	}
+}
+
 } // namespace audio