From 2dc74a59cab851c594e9cb9a0c4f6ece340120a8 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 18 Jan 2014 16:01:12 +0200
Subject: [PATCH] Add gain to SoundScape

---
 source/soundscape.cpp | 12 ++++++++++++
 source/soundscape.h   |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/source/soundscape.cpp b/source/soundscape.cpp
index e12f39b..cc07285 100644
--- a/source/soundscape.cpp
+++ b/source/soundscape.cpp
@@ -6,12 +6,23 @@ using namespace std;
 namespace Msp {
 namespace AL {
 
+SoundScape::SoundScape():
+	gain(1)
+{ }
+
 SoundScape::~SoundScape()
 {
 	for(list<Source *>::iterator i=sources.begin(); i!=sources.end(); ++i)
 		delete *i;
 }
 
+void SoundScape::set_gain(float g)
+{
+	gain = g;
+	for(list<Source *>::iterator i=sources.begin(); i!=sources.end(); ++i)
+		(*i)->set_gain(gain);
+}
+
 void SoundScape::add_source(Source &src)
 {
 	sources.push_back(&src);
@@ -23,6 +34,7 @@ Source &SoundScape::play(const Buffer &buf, float x, float y, float z)
 	add_source(*src);
 	src->set_buffer(buf);
 	src->set_position(x, y, z);
+	src->set_gain(gain);
 	src->play();
 	return *src;
 }
diff --git a/source/soundscape.h b/source/soundscape.h
index 9768532..a703c99 100644
--- a/source/soundscape.h
+++ b/source/soundscape.h
@@ -15,11 +15,14 @@ A SoundScape offers an easy way to play positional sound effects.
 class SoundScape
 {
 private:
+	float gain;
 	std::list<Source *> sources;
 
 public:
+	SoundScape();
 	~SoundScape();
 
+	void set_gain(float);
 	void add_source(Source &);
 	Source &play(const Buffer &, float, float, float);
 	void tick();
-- 
2.43.0