From 90c5c7f43c23fd3ac4b76175cc2edffe6b41f4c1 Mon Sep 17 00:00:00 2001
From: Atlante45 <clement.brisset@gmail.com>
Date: Thu, 9 Oct 2014 16:41:48 -0700
Subject: [PATCH] Attenuation coefficients parsing

---
 assignment-client/src/audio/AudioMixer.cpp | 38 +++++++++++++++++++++-
 assignment-client/src/audio/AudioMixer.h   |  1 +
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/assignment-client/src/audio/AudioMixer.cpp b/assignment-client/src/audio/AudioMixer.cpp
index 5b162b7c7b..c08892e26b 100644
--- a/assignment-client/src/audio/AudioMixer.cpp
+++ b/assignment-client/src/audio/AudioMixer.cpp
@@ -989,7 +989,41 @@ void AudioMixer::parseSettingsObject(const QJsonObject &settingsObject) {
                             glm::vec3 dimension(xMax - xMin, yMax - yMin, zMax - zMin);
                             AABox zoneAABox(corner, dimension);
                             _audioZones.insert(zone, zoneAABox);
-                            qDebug() << "Added zone:" << zoneAABox;
+                            qDebug() << "Added zone:" << zone << zoneAABox;
+                        }
+                    }
+                }
+            }
+        }
+        
+        const QString ATTENUATION_COEFFICIENTS = "attenuation_coefficients";
+        if (audioEnvGroupObject[ATTENUATION_COEFFICIENTS].isArray()) {
+            const QJsonArray& coefficients = audioEnvGroupObject[ATTENUATION_COEFFICIENTS].toArray();
+            
+            const QString SOURCE = "source";
+            const QString LISTENER = "listener";
+            const QString COEFFICIENT = "coefficient";
+            for (int i = 0; i < coefficients.count(); ++i) {
+                QJsonObject coefficientObject = coefficients[i].toObject();
+                
+                if (coefficientObject.contains(SOURCE) &&
+                    coefficientObject.contains(LISTENER) &&
+                    coefficientObject.contains(COEFFICIENT)) {
+                    
+                    bool ok;
+                    QString source = coefficientObject.value(SOURCE).toString();
+                    QString listener = coefficientObject.value(LISTENER).toString();
+                    float coefficient = coefficientObject.value(COEFFICIENT).toString().toFloat(&ok);
+                    
+                    if (ok && coefficient >= 0.0f && coefficient <= 1.0f &&
+                        _audioZones.contains(source) && _audioZones.contains(listener)) {
+                        
+                        if (!_attenuationCoefficients.contains(source)) {
+                            _attenuationCoefficients.insert(source, QHash<QString, float>());
+                        }
+                        if (!_attenuationCoefficients[source].contains(listener)) {
+                            _attenuationCoefficients[source].insert(listener, coefficient);
+                            qDebug() << "Added Coefficient:" << source << listener << coefficient;
                         }
                     }
                 }
@@ -997,3 +1031,5 @@ void AudioMixer::parseSettingsObject(const QJsonObject &settingsObject) {
         }
     }
 }
+
+
diff --git a/assignment-client/src/audio/AudioMixer.h b/assignment-client/src/audio/AudioMixer.h
index 44cb592f3a..7f07c846a4 100644
--- a/assignment-client/src/audio/AudioMixer.h
+++ b/assignment-client/src/audio/AudioMixer.h
@@ -75,6 +75,7 @@ private:
     int _sumListeners;
     int _sumMixes;
     QHash<QString, AABox> _audioZones;
+    QHash<QString, QHash<QString, float> > _attenuationCoefficients;
 
     static InboundAudioStream::Settings _streamSettings;