+++ /dev/null
-// scenefx.cxx -- Scenery sound effect management implementation
-//
-// Started by Erik Hofman, November 2015
-//
-// Copyright (C) 2015 Erik Hofman <erik@ehofman.com>
-//
-// 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 <stdio.h>
-#include <string>
-
-#include "scenefx.hxx"
-
-#include <Main/fg_props.hxx>
-#include <Main/globals.hxx>
-
-#include <simgear/props/props_io.hxx>
-#include <simgear/misc/sg_path.hxx>
-#include <simgear/sound/soundmgr_openal.hxx>
-#include <simgear/nasal/cppbind/Ghost.hxx>
-#include <simgear/sound/xmlsound.hxx>
-
-
-#include <boost/shared_ptr.hpp>
-#include <boost/weak_ptr.hpp>
-
-
-static std::string _refname = "SceneFX";
-typedef boost::shared_ptr<SGSampleGroup> SGSampleGroupRef;
-typedef boost::shared_ptr<FGSceneFX> FGSceneFXRef;
-
-
-FGSceneFX::FGSceneFX()
-{
- _props = _props = globals->get_props();
- _enabled = fgGetNode("/sim/sound/scene/enabled", true);
- _volume = fgGetNode("/sim/sound/scene/volume", true);
- _damping = fgGetNode("/sim/sound/model-damping", true);
- _smgr->add(this, _refname);
-
- nasal::Ghost<FGSceneFXRef>::init("soundfx.scene")
- .bases<SGSampleGroupRef>()
- .method("load", &FGSceneFX::load)
- .method("damping", &FGSceneFX::model_damping);
-}
-
-void FGSceneFX::unbind()
-{
- if (_smgr)
- {
- _smgr->remove(_refname);
- }
-}
-
-FGSceneFX::~FGSceneFX()
-{
- for (unsigned int i = 0; i < _sound.size(); i++ ) {
- delete _sound[i];
- }
- _sound.clear();
-}
-
-void FGSceneFX::init()
-{
- if (!_smgr) {
- return;
- }
-
- SGPath path(globals->get_fg_root());
- path.append("Sounds/sounds.xml");
-
- SGPropertyNode root;
- try {
- readProperties(path.str(), &root);
- } catch (const sg_exception &) {
- SG_LOG(SG_SOUND, SG_ALERT,
- "Error reading file '" << path.str() << '\'');
- return;
- }
-
- SGPropertyNode *node = root.getNode("fx");
- if(node) {
- for (int i = 0; i < node->nChildren(); ++i) {
- SGXmlSound *soundfx = new SGXmlSound();
-
- try {
- soundfx->init( _props, node->getChild(i), this, 0, path.dir() );
- _sound.push_back( soundfx );
- } catch ( sg_exception &e ) {
- SG_LOG(SG_SOUND, SG_ALERT, e.getFormattedMessage());
- delete soundfx;
- }
- }
- }
-}
-
-void FGSceneFX::reinit()
-{
- for ( unsigned int i = 0; i < _sound.size(); i++ ) {
- delete _sound[i];
- }
- _sound.clear();
- init();
-}
-
-void FGSceneFX::update (double dt)
-{
- if (!_smgr) {
- return;
- }
-
- if (_enabled->getBoolValue())
- {
- float fact = 1.0f - _damping->getFloatValue();
- set_volume(_volume->getFloatValue() * fact);
- resume();
-
- // update sound effects if not paused
- for ( unsigned int i = 0; i < _sound.size(); i++ ) {
- _sound[i]->update(dt);
- }
-
- SGSampleGroup::update(dt);
- }
- else {
- suspend();
- }
-}
-
-/* Sets the scene properties from the models point of view */
-void FGSceneFX::model_damping(float damping)
-{
- _damping->setFloatValue(damping);
-}
-
-/* (Over)load the sound file for a particular ref. name */
-bool FGSceneFX::load(const std::string& refname, const std::string& path_str)
-{
- if (!_smgr) {
- return false;
- }
-
- SGPath path = globals->resolve_resource_path(path_str);
- if (!path.isNull() && path.exists())
- {
- SGSoundSample* sample;
- unsigned int i = 0;
- do
- {
- sample = find(refname, i);
- if (sample) {
- sample->set_sample_name(path_str);
- }
- }
- while(sample);
-
- return true;
- }
-
- throw sg_io_exception("SceneFX: couldn't find file: '" + path.str() + "'");
-
- return false;
-}
-
-/* Control the sounds from the generating side. */
-size_t FGSceneFX::add(const std::string& refname)
-{
- if (!_smgr) {
- return false;
- }
-
- unsigned int num = 0;
- std::string name;
- do {
- name = full_name(refname, num++);
- } while(SGSampleGroup::exists(name));
-
- SGSharedPtr<SGSoundSample> sample;
- sample = new SGSoundSample();
- SGSampleGroup::add(sample, name);
-
- return num;
-}
-
-bool FGSceneFX::remove(const std::string& refname, size_t num)
-{
- std::string name = full_name(refname, num);
- return SGSampleGroup::remove(name);
-}
-
-void FGSceneFX::position(const std::string& refname, size_t num, double lon, double lat, double elevation)
-{
- SGSoundSample* sample = find(refname, num);
- if (sample)
- {
- SGGeod pos = SGGeod::fromDegFt(lon, lat, elevation);
- sample->set_position(SGVec3d::fromGeod(pos));
- }
-}
-
-void FGSceneFX::pitch(const std::string& refname, size_t num, float pitch)
-{
- SGSoundSample* sample = find(refname, num);
- if (sample) {
- sample->set_pitch(pitch);
- }
-}
-
-void FGSceneFX::volume(const std::string& refname, size_t num, float volume)
-{
- SGSoundSample* sample = find(refname, num);
- if (sample)
- {
- sample->set_volume(volume);
- }
-}
-
-void FGSceneFX::properties(const std::string& refname, size_t num, float reference_dist, float maximum_dist)
-{
- SGSoundSample* sample = find(refname, num);
- if (sample)
- {
- float fact = 1.0f - _damping->getFloatValue();
- sample->set_reference_dist(reference_dist * fact);
- if (maximum_dist > 0) {
- sample->set_max_dist(maximum_dist * fact);
- }
- }
-}
-
-void FGSceneFX::play(const std::string& refname, size_t num, bool looping)
-{
- SGSampleGroup::play(full_name(refname, num), looping);
-}
-
-void FGSceneFX::stop(const std::string& refname, size_t num)
-{
- SGSampleGroup::stop(full_name(refname, num));
-}
-
-const char* FGSceneFX::full_name(const std::string& refname, size_t num)
-{
- static char nstr[128];
- snprintf(nstr, 127, "%s_%4zu", refname.c_str(), num);
- return nstr;
-}
-
-SGSoundSample *FGSceneFX::find(const std::string& refname, size_t num)
-{
- return SGSampleGroup::find( full_name(refname, num) );
-}
-
-// end of scenefx.cxx
+++ /dev/null
-// scenefx.hxx -- Scene sound effect management class
-//
-// Started by Erik Hofman, November 2015
-//
-// Copyright (C) 2015 Erik Hofman <erik@ehofman.com>
-//
-// 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 __FGSCENEFX_HXX
-#define __FGSCENEFX_HXX 1
-
-#include <simgear/compiler.h>
-
-#include <simgear/structure/subsystem_mgr.hxx>
-#include <simgear/props/props.hxx>
-#include <simgear/sound/sample_group.hxx>
-#include <simgear/math/SGMathFwd.hxx>
-
-#define _DEFAULT_MAX_DISTANCE 100000.0
-
-class SGXmlSound;
-
-/**
- * Container for FlightGear envirnonmetal sound effects.
- */
-class FGSceneFX : public SGSampleGroup
-{
-
-public:
-
- FGSceneFX();
- virtual ~FGSceneFX();
-
- void init ();
- void reinit();
- void update (double dt);
- void unbind();
-
- /* Adjust volume and distance properties for the aircraft model */
- /* These work on all active sounds */
- void model_damping(float damping);
-
- /* (Over)load the sound file for a particular ref. name */
- bool load(const std::string& refname, const std::string& path_str);
-
-
- /* Control the sounds from the generating side.
- *
- * Every sound has a reference name and an instance number:
- * A reference name would be for instance 'thunder' or 'rain'.
- * The number indicates the exact instance in case multiple
- * variants are active simultaniously.
- */
- size_t add(const std::string& refname);
- bool remove(const std::string& refname, size_t num);
-
- void position(const std::string& refname, size_t num, double lon, double lat, double elevation = 0.0);
- void pitch(const std::string& refname, size_t num, float pitch);
- void volume(const std::string& refname, size_t num, float volume);
- void properties(const std::string& refname, size_t num, float reference_dist, float max_dist = -1 );
- void play(const std::string& refname, size_t num, bool looping = false);
- void stop(const std::string& refname, size_t num);
-
-private:
- SGPropertyNode_ptr _enabled;
- SGPropertyNode_ptr _volume;
- SGPropertyNode_ptr _damping; // model sound damping
-
- std::vector<SGXmlSound *> _sound;
- SGPropertyNode_ptr _props;
-
- const char* full_name(const std::string& refname, size_t num);
- SGSoundSample *find(const std::string& refname, size_t num);
-};
-
-
-#endif
-
-// end of scenefx.hxx
projects / flightgear.git / commitdiff