]> git.mxchange.org Git - flightgear.git/blobdiff - src/Sound/fg_fx.cxx
allow sound effects in the configuration file to be added to the 'avionics' sample...
[flightgear.git] / src / Sound / fg_fx.cxx
index 675a6c0571617dd53f6cb2903e1075143274326f..abf3a2678668dbb997b896c3010f629b5266e15d 100644 (file)
@@ -1,9 +1,9 @@
-// fgfx.cxx -- Sound effect management class implementation
+// fg_fx.cxx -- Sound effect management class implementation
 //
 // 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
 //
 // 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.
 //
 // $Id$
 
+#ifdef _MSC_VER
+#pragma warning (disable: 4786)
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include "fg_fx.hxx"
 
-// FIXME: remove direct dependencies
-#include <Controls/controls.hxx>
-#include <FDM/flight.hxx>
 #include <Main/fg_props.hxx>
 
+#include <simgear/props/props.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
+#include <simgear/sound/xmlsound.hxx>
 
-FGFX::FGFX ()
-  : _is_cranking(false),
-    _is_stalling(false),
-    _is_rumbling(false),
-    _engine(0),
-    _crank(0),
-    _wind(0),
-    _stall(0),
-    _rumble(0),
-    _flaps(0),
-    _squeal(0),
-    _click(0)
+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);
 }
 
+
 FGFX::~FGFX ()
 {
-                               // FIXME: is this right, or does the
-                               // sound manager assume pointer ownership?
-  delete _engine;
-  delete _crank;
-  delete _wind;
-  delete _stall;
-  delete _rumble;
-
-  delete _flaps;
-  delete _squeal;
-  delete _click;
+    for (unsigned int i = 0; i < _sound.size(); i++ ) {
+        delete _sound[i];
+    }
+    _sound.clear();
 }
 
 
 void
-FGFX::init ()
+FGFX::init()
 {
-  FGSoundMgr * mgr = globals->get_soundmgr();
-
-  //
-  // Create and add the engine sound
-  //
-  _engine =
-    new FGSimpleSound(fgGetString("/sim/sounds/engine", "Sounds/wasp.wav"));
-  mgr->add(_engine, "engine loop");
-  mgr->play_looped("engine loop");
-
-  SG_LOG( SG_GENERAL, SG_INFO,
-         "Rate = " << _engine->get_sample()->getRate()
-         << "  Bps = " << _engine->get_sample()->getBps()
-         << "  Stereo = " << _engine->get_sample()->getStereo() );
-
-
-  //
-  // Create and add the cranking sound.
-  //
-  _crank =
-    new FGSimpleSound(fgGetString("/sim/sounds/cranking",
-                                 "Sounds/cranking.wav"));
-  mgr->add(_crank, "crank");
-  _crank->set_pitch(1.5);
-  _crank->set_volume(0.25);
-
-
-  //
-  // Create and add the wind noise.
-  //
-  _wind =
-    new FGSimpleSound(fgGetString("/sim/sounds/wind", "Sounds/wind.wav"));
-  mgr->add(_wind, "wind");
-  mgr->play_looped("wind");
-
-
-  //
-  // Create and add the stall noise.
-  //
-  _stall = new FGSimpleSound(fgGetString("/sim/sounds/stall",
-                                        "Sounds/stall.wav"));
-  mgr->add(_stall, "stall");
-
-  //
-  // Create and add the rumble noise.
-  //
-  _rumble = new FGSimpleSound(fgGetString("/sim/sounds/rumble",
-                                         "Sounds/rumble.wav"));
-  mgr->add(_rumble, "rumble");
-
-  //
-  // Create and add the squeal noise.
-  //
-  _squeal = new FGSimpleSound(fgGetString("/sim/sounds/squeal",
-                                         "Sounds/squeal.wav"));
-  mgr->add(_squeal, "squeal");
-
-  //
-  // Create and add the click noise.
-  _click = new FGSimpleSound(fgGetString("/sim/sounds/click",
-                                        "Sounds/click.wav"));
-  mgr->add(_click, "click");
-}
+    SGPropertyNode *node = fgGetNode("/sim/sound", true);
 
-void
-FGFX::bind ()
-{
-}
+    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;
+    }
 
-void
-FGFX::unbind ()
-{
+    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::update ()
+FGFX::reinit()
 {
-  // FGSoundMgr * mgr = globals->get_soundmgr();
-
-
-  ////////////////////////////////////////////////////////////////////
-  // Update the engine sound.
-  ////////////////////////////////////////////////////////////////////
-
-  if (fgGetBool("/engines/engine[0]/running")) { // FIXME
-         // pitch corresponds to rpm
-         // volume corresponds to manifold pressure
-
-    double rpm_factor;
-    if (cur_fdm_state->get_engine(0) != NULL)
-      rpm_factor = cur_fdm_state->get_engine(0)->get_RPM() / 2500.0;
-    else
-      rpm_factor = 1.0;
+    _sound.clear();
+    init();
+};
 
-    double pitch = 0.3 + rpm_factor * 3.0;
 
-    // don't run at absurdly slow rates -- not realistic
-    // and sounds bad to boot.  :-)
-    if (pitch < 0.7)
-      pitch = 0.7;
-    if (pitch > 5.0)
-      pitch = 5.0;
-
-    double mp_factor;
-    if (cur_fdm_state->get_engine(0) != NULL)
-      mp_factor = cur_fdm_state->get_engine(0)->get_Manifold_Pressure() / 100;
-    else
-      mp_factor = 0.3;
-
-    double volume = 0.15 + mp_factor / 2.0;
-
-    if (volume < 0.15)
-      volume = 0.15;
-    if (volume > 0.5)
-      volume = 0.5;
-
-    _engine->set_pitch( pitch );
-    _engine->set_volume( volume );
-  } else {
-    _engine->set_pitch(0.0);
-    _engine->set_volume(0.0);
-  }
-
-
-  ////////////////////////////////////////////////////////////////////
-  // Update the cranking sound.
-  ////////////////////////////////////////////////////////////////////
-
-  if (fgGetBool("/engines/engine[0]/cranking")) { // FIXME
-    if(!_is_cranking) {
-      globals->get_soundmgr()->play_looped("crank");
-      _is_cranking = true;
-    }
-  } else {
-    if(_is_cranking) {
-      globals->get_soundmgr()->stop("crank");
-      _is_cranking = false;
+void
+FGFX::update (double dt)
+{
+    bool new_pause = _pause->getBoolValue();
+    if ( new_pause != last_pause ) {
+        if ( new_pause ) {
+            suspend();
+        } else {
+            resume();
+        }
+        last_pause = new_pause;
     }
-  }
-
-
-  ////////////////////////////////////////////////////////////////////
-  // Update the wind noise.
-  ////////////////////////////////////////////////////////////////////
-
-  float rel_wind = cur_fdm_state->get_V_rel_wind();
-  float volume = rel_wind/300.0;       // FIXME!!!
-  _wind->set_volume(volume);
-
 
-  // TODO: stall
+    if ( !new_pause ) {
+        double volume = _volume->getDoubleValue();
+        if ( volume != last_volume ) {
+            set_volume( volume );        
+            last_volume = volume;
+        }
 
-  // TODO: rumble
-
-  // TODO: flaps
-
-  // TODO: squeal
-
-  // TODO: click
+        // 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