--- /dev/null
+// fg_environmentfx.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 - 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
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// 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., 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_environmentfx.hxx"
+
+#include <Main/fg_props.hxx>
+#include <Main/globals.hxx>
+
+// #include <simgear/props/props.hxx>
+// #include <simgear/props/props_io.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
+
+
+static std::string _refname = "EnvironmentFX";
+
+
+FGEnvironmentFX::FGEnvironmentFX()
+{
+ _enabled = fgGetNode("/sim/sound/environment/enabled", true);
+ _volume = fgGetNode("/sim/sound/environment/volume", true);
+ _smgr->add(this, _refname);
+}
+
+FGEnvironmentFX::~FGEnvironmentFX()
+{
+}
+
+void FGEnvironmentFX::unbind()
+{
+ if (_smgr) {
+ _smgr->remove(_refname);
+ }
+}
+
+void FGEnvironmentFX::init()
+{
+ if (!_smgr) {
+ return;
+ }
+}
+
+void FGEnvironmentFX::reinit()
+{
+ init();
+}
+
+void FGEnvironmentFX::update (double dt)
+{
+ if (!_smgr) {
+ return;
+ }
+
+ if ( _enabled->getBoolValue() ) {
+ set_volume( _volume->getDoubleValue() );
+ resume();
+
+ SGSampleGroup::update(dt);
+ }
+ else {
+ suspend();
+ }
+}
+
+void FGEnvironmentFX::add(std::string& path_str, const std::string& refname)
+{
+ if (!_smgr) {
+ return;
+ }
+
+ SGPath path = globals->resolve_resource_path(path_str);
+ if (path.isNull())
+ {
+ SG_LOG(SG_SOUND, SG_ALERT, "File not found: '" << path_str);
+ return;
+ }
+ SG_LOG(SG_SOUND, SG_INFO, "Reading sound from " << path.str());
+
+ SGSharedPtr<SGSoundSample> sample;
+ sample = new SGSoundSample("", path);
+ if (sample->file_path().exists()) {
+ SGSampleGroup::add( sample, refname );
+ }
+ else
+ {
+ throw sg_io_exception("Environment FX: couldn't find file: '" + path.str() + "'");
+ delete sample;
+ }
+}
+
+void FGEnvironmentFX::position(const std::string& refname, const SGVec3d& pos)
+{
+ SGSoundSample* sample = SGSampleGroup::find(refname);
+ if (sample)
+ {
+ sample->set_position( pos );
+ }
+}
+
+void FGEnvironmentFX::pitch(const std::string& refname, float pitch)
+{
+ SGSoundSample* sample = SGSampleGroup::find(refname);
+ if (sample)
+ {
+ sample->set_volume( pitch );
+ }
+}
+
+void FGEnvironmentFX::volume(const std::string& refname, float volume)
+{
+ SGSoundSample* sample = SGSampleGroup::find(refname);
+ if (sample)
+ {
+ sample->set_volume( volume );
+ }
+}
+
+void FGEnvironmentFX::properties(const std::string& refname, float reference_dist, float max_dist )
+{
+ SGSoundSample* sample = SGSampleGroup::find(refname);
+ if (sample)
+ {
+ sample->set_reference_dist( reference_dist );
+ if (max_dist > 0) {
+ sample->set_max_dist( max_dist );
+ }
+ }
+}
+
+// end of fg_environmentfx.cxx
--- /dev/null
+// fg_environmentfx.hxx -- Sound effect management class
+//
+// Started by David Megginson, October 2001
+// (Reuses some code from main.cxx, probably by Curtis Olson)
+//
+// 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
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// $Id$
+
+#ifndef __FGENVIRONMENTFX_HXX
+#define __FGENVIRONMENTFX_HXX 1
+
+#include <simgear/compiler.h>
+
+#include <vector>
+
+#include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/sound/sample_group.hxx>
+
+class SGXmlSound;
+
+
+/**
+ * Container for FlightGear envirnonmetal sound effects.
+ */
+class FGEnvironmentFX : public SGSampleGroup
+{
+
+public:
+
+ FGEnvironmentFX();
+ ~FGEnvironmentFX();
+
+ void init ();
+ void reinit();
+ void update (double dt);
+ void unbind();
+
+ void add(std::string& path_str, const std::string& refname);
+ void position(const std::string& refname, const SGVec3d& pos);
+ void pitch(const std::string& refname, float pitch);
+ void volume(const std::string& refname, float volume);
+ void properties(const std::string& refname, float reference_dist, float max_dist = -1 );
+
+private:
+ SGPropertyNode_ptr _enabled;
+ SGPropertyNode_ptr _volume;
+};
+
+
+#endif
+
+// end of fg_environmentfx.hxx