From d1c31952b53260758740f51109bf39af6d70a237 Mon Sep 17 00:00:00 2001
From: Filip Gawin <filip.gawin@zoho.com>
Date: Sat, 22 Sep 2018 22:22:54 +0200
Subject: [PATCH] Implement basic sound volume managment

Basic of basics. :P
---
 rwengine/src/audio/SoundManager.cpp | 17 ++++++++++++++++-
 rwengine/src/audio/SoundManager.hpp | 13 +++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/rwengine/src/audio/SoundManager.cpp b/rwengine/src/audio/SoundManager.cpp
index 4abf7b6c..33ae5e62 100644
--- a/rwengine/src/audio/SoundManager.cpp
+++ b/rwengine/src/audio/SoundManager.cpp
@@ -210,6 +210,8 @@ bool SoundManager::isPaused(const std::string& name) {
 void SoundManager::playSound(const std::string& name) {
     auto sound = sounds.find(name);
     if (sound != sounds.end()) {
+        auto vol = getCalculatedVolumeOfMusic();
+        sound->second.setGain(vol);
         return sound->second.play();
     }
 }
@@ -224,7 +226,7 @@ void SoundManager::playSfx(size_t name, const glm::vec3& position, bool looping,
         }
 
         buffer->second.setPitch(1.f);
-        buffer->second.setGain(1.f);
+        buffer->second.setGain(getCalculatedVolumeOfEffects());
         if (maxDist != -1) {
             buffer->second.setMaxDistance(static_cast<float>(maxDist));
         }
@@ -322,3 +324,16 @@ void SoundManager::setSoundPosition(const std::string& name,
                            position.y, position.z));
     }
 }
+
+
+void SoundManager::setVolume(float vol) {
+    _volume = vol;
+}
+
+float SoundManager::getCalculatedVolumeOfEffects() const {
+    return _volume * _effectsVolume;
+}
+
+float SoundManager::getCalculatedVolumeOfMusic() const {
+    return _volume * _musicVolume;
+}
diff --git a/rwengine/src/audio/SoundManager.hpp b/rwengine/src/audio/SoundManager.hpp
index 867110ef..4859006f 100644
--- a/rwengine/src/audio/SoundManager.hpp
+++ b/rwengine/src/audio/SoundManager.hpp
@@ -85,6 +85,10 @@ public:
 
     void pause(bool p);
 
+    void setVolume(float vol);
+    float getCalculatedVolumeOfEffects() const;
+    float getCalculatedVolumeOfMusic() const;
+
 private:
     bool initializeOpenAL();
     void initializeAVCodec();
@@ -106,6 +110,15 @@ private:
 
     GameWorld* _engine;
     LoaderSDT sdt{};
+
+    /// Sound volume
+    float _volume = 1.f;
+
+    /// Multiplier for effects
+    float _effectsVolume = 0.2f;
+
+    /// Multiplier for music and cutscenes audio
+    float _musicVolume = 1.f;
 };
 
 #endif