From c8986567ae420656ae2c1ef934e3b1b59b6ebeeb Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Fri, 20 Apr 2007 18:32:42 +0000
Subject: [PATCH] Syd Adams:

Patch to enable atc chatter (and any other arbitrary "message" audio file)
to be played at any specified volume.  (Previously these messages were always
played at a hardcoded volume of 1.0)
---
 src/Main/fg_commands.cxx | 3 ++-
 src/Sound/fg_fx.cxx      | 4 ++--
 src/Sound/fg_fx.hxx      | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/Main/fg_commands.cxx b/src/Main/fg_commands.cxx
index e07295dde..21b86efbc 100644
--- a/src/Main/fg_commands.cxx
+++ b/src/Main/fg_commands.cxx
@@ -1157,8 +1157,9 @@ do_play_audio_message (const SGPropertyNode * arg)
     FGFX *fx = (FGFX *)globals->get_subsystem("fx");
     string path = arg->getStringValue("path");
     string file = arg->getStringValue("file");
+    double volume = arg->getDoubleValue("volume");
     // cout << "playing " << path << " / " << file << endl;
-    fx->play_message( path, file );
+    fx->play_message( path, file, volume );
 
     return true;
 }
diff --git a/src/Sound/fg_fx.cxx b/src/Sound/fg_fx.cxx
index 37df00392..de5f4e152 100644
--- a/src/Sound/fg_fx.cxx
+++ b/src/Sound/fg_fx.cxx
@@ -187,17 +187,17 @@ FGFX::update (double dt)
 void
 FGFX::play_message( SGSoundSample *_sample )
 {
-    _sample->set_volume( 1.0 );
     _samplequeue.push( _sample );
 }
 void
-FGFX::play_message( const string path, const string fname )
+FGFX::play_message( const string path, const string fname, double volume )
 {
     if (globals->get_soundmgr()->is_working() == false) {
         return;
     }
     SGSoundSample *sample;
     sample = new SGSoundSample( path.c_str(), fname.c_str() );
+    sample->set_volume( volume );
     play_message( sample );
 }
 
diff --git a/src/Sound/fg_fx.hxx b/src/Sound/fg_fx.hxx
index 3bfa58c35..0fd4a2ff2 100644
--- a/src/Sound/fg_fx.hxx
+++ b/src/Sound/fg_fx.hxx
@@ -72,7 +72,7 @@ public:
      * in order.
      */
     void play_message( SGSoundSample *_sample );
-    void play_message( const string path, const string fname );
+    void play_message( const string path, const string fname, double volume );
 
 private: