Tie samplegroup 'avionics' to the listener, just in case no other device is created...

[flightgear.git] / src / Sound / fg_fx.cxx

diff --git a/src/Sound/fg_fx.cxx b/src/Sound/fg_fx.cxx
index 2636bc011a43a1fa7a39ed210b7a604b1fcfbc05..d2addc66deaeed7b10bae1b2b725819b82218e94 100644 (file)
--- a/src/Sound/fg_fx.cxx
+++ b/src/Sound/fg_fx.cxx
@@ -3,7 +3,7 @@
 // Started by David Megginson, October 2001
 // (Reuses some code from main.cxx, probably by Curtis Olson)
 //
-// Copyright (C) 2001  Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2001  Curtis L. Olson - http://www.flightgear.org/~curt
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License as
@@ -17,7 +17,7 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
@@ -25,83 +25,121 @@
 #pragma warning (disable: 4786)
 #endif
 
-#include <simgear/misc/props.hxx>
-#include <simgear/misc/sg_path.hxx>
-#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/exception.hxx>
-#ifdef __BORLANDC__
-#  define exception c_exception
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
 #endif
 
-#include <Main/fg_props.hxx>
-
 #include "fg_fx.hxx"
-#include "fg_sound.hxx"
 
+#include <Main/fg_props.hxx>
 
-FGFX::FGFX ()
+#include <simgear/props/props.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
+#include <simgear/sound/xmlsound.hxx>
+
+FGFX::FGFX ( SGSoundMgr *smgr, const string &refname ) :
+    last_pause( false ),
+    last_volume( 0.0 ),
+    _pause( fgGetNode("/sim/sound/pause") ),
+    _volume( fgGetNode("/sim/sound/volume") )
 {
+    SGSampleGroup::_smgr = smgr;
+    SGSampleGroup::_refname = refname;
+    SGSampleGroup::_smgr->add(this, refname);
+    _avionics = _smgr->find("avionics", true);
+    _avionics->tie_to_listener();
 }
 
+
 FGFX::~FGFX ()
 {
-   for (unsigned int i = 0; i < _sound.size(); i++ )
-      delete _sound[i];
+    for (unsigned int i = 0; i < _sound.size(); i++ ) {
+        delete _sound[i];
+    }
+    _sound.clear();
 }
 
+
 void
 FGFX::init()
 {
-   const SGPropertyNode * node = fgGetNode("/sim/sound", true);
-   int i;
-
-   string path_str = node->getStringValue("path");
-   SGPath path( globals->get_fg_root() );
-   if (path_str.empty()) {
-      SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
-      return;
-   }
-
-   path.append(path_str.c_str());
-   SG_LOG(SG_GENERAL, SG_INFO, "Reading Instrument " << node->getName()
-         << " from " << path.str());
-
-   SGPropertyNode root;
-   try {
-      readProperties(path.str(), &root);
-   } catch (const sg_exception &e) {
-      SG_LOG(SG_GENERAL, SG_ALERT,
-       "Incorrect path specified in configuration file");
-      return;
-   }
-
-   node = root.getNode("fx");
-   for (i = 0; i < node->nChildren(); i++) {
-      FGSound * sound;
-      sound = new FGSound(node->getChild(i));
-      _sound.push_back(sound);
-   }
-
-   for (i = 0; i < (int)_sound.size(); i++ ) {
-      _sound[i]->init();
-   }
+    SGPropertyNode *node = fgGetNode("/sim/sound", true);
+
+    string path_str = node->getStringValue("path");
+    SGPath path( globals->get_fg_root() );
+    if (path_str.empty()) {
+        SG_LOG(SG_GENERAL, SG_ALERT, "No path in /sim/sound/path");
+        return;
+    }
+
+    path.append(path_str.c_str());
+    SG_LOG(SG_GENERAL, SG_INFO, "Reading sound " << node->getName()
+           << " from " << path.str());
+
+    SGPropertyNode root;
+    try {
+        readProperties(path.str(), &root);
+    } catch (const sg_exception &) {
+        SG_LOG(SG_GENERAL, SG_ALERT,
+               "Error reading file '" << path.str() << '\'');
+        return;
+    }
+
+    node = root.getNode("fx");
+    if(node) {
+        for (int i = 0; i < node->nChildren(); ++i) {
+            SGXmlSound *sound = new SGXmlSound();
+  
+            try {
+                sound->init(globals->get_props(), node->getChild(i), this,
+                            _avionics, globals->get_fg_root());
+  
+                _sound.push_back(sound);
+            } catch ( sg_exception &e ) {
+                SG_LOG(SG_GENERAL, SG_ALERT, e.getFormattedMessage());
+                delete sound;
+            }
+        }
+    }
 }
 
-void
-FGFX::bind ()
-{
-}
 
 void
-FGFX::unbind ()
+FGFX::reinit()
 {
-}
+    _sound.clear();
+    init();
+};
+
 
 void
-FGFX::update (int dt)
+FGFX::update (double dt)
 {
-   for (unsigned int i = 0; i < _sound.size(); i++ )
-      _sound[i]->update(dt);
+    bool new_pause = _pause->getBoolValue();
+    if ( new_pause != last_pause ) {
+        if ( new_pause ) {
+            suspend();
+        } else {
+            resume();
+        }
+        last_pause = new_pause;
+    }
+
+    if ( !new_pause ) {
+        double volume = _volume->getDoubleValue();
+        if ( volume != last_volume ) {
+            set_volume( volume );        
+            last_volume = volume;
+        }
+
+        // update sound effects if not paused
+        for ( unsigned int i = 0; i < _sound.size(); i++ ) {
+            _sound[i]->update(dt);
+        }
+
+        SGSampleGroup::update(dt);
+    }
 }
 
 // end of fg_fx.cxx