Expose a radio function (receiveBeacon) to the Nasal subsystem

[flightgear.git] / src / AIModel / AIBase.cxx

diff --git a/src/AIModel/AIBase.cxx b/src/AIModel/AIBase.cxx
index 69442229cd6c53f900aae92471a4ea6624bd7d1e..230837621f32712504766c46d63a61255cdd315b 100644 (file)
--- a/src/AIModel/AIBase.cxx
+++ b/src/AIModel/AIBase.cxx
@@ -24,6 +24,8 @@
 #  include <config.h>
 #endif
 
+#include <string.h>
+
 #include <simgear/compiler.h>
 
 #include <string>
@@ -36,12 +38,14 @@
 #include <simgear/misc/sg_path.hxx>
 #include <simgear/scene/model/modellib.hxx>
 #include <simgear/scene/util/SGNodeMasks.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
 #include <simgear/debug/logstream.hxx>
 #include <simgear/props/props.hxx>
 
 #include <Main/globals.hxx>
 #include <Scenery/scenery.hxx>
 #include <Scripting/NasalSys.hxx>
+#include <Sound/fg_fx.hxx>
 
 #include "AIBase.hxx"
 #include "AIManager.hxx"
@@ -70,7 +74,10 @@ FGAIBase::FGAIBase(object_type ot, bool enableHot) :
     _impact_speed(0),
     _refID( _newAIModelID() ),
     _otype(ot),
-    _initialized(false)
+    _initialized(false),
+    _aimodel(0),
+    _fxpath(""),
+    _fx(0)
 
 {
     tgt_heading = hdg = tgt_altitude_ft = tgt_speed = 0.0;
@@ -137,6 +144,15 @@ FGAIBase::~FGAIBase() {
         if (parent)
             model_removed->setStringValue(props->getPath());
     }
+
+    if (_refID != 0 && _refID !=  1) {
+        SGSoundMgr *smgr = globals->get_soundmgr();
+        stringstream name; 
+        name <<  "aifx:";
+        name << _refID;
+        smgr->remove(name.str());
+    }
+
     delete fp;
     fp = 0;
 }
@@ -198,6 +214,37 @@ void FGAIBase::update(double dt) {
 
     ft_per_deg_lat = 366468.96 - 3717.12 * cos(pos.getLatitudeRad());
     ft_per_deg_lon = 365228.16 * cos(pos.getLatitudeRad());
+
+    if ( _fx )
+    {
+        // update model's audio sample values
+        _fx->set_position_geod( pos );
+
+        SGQuatd orient = SGQuatd::fromYawPitchRollDeg(hdg, pitch, roll);
+        _fx->set_orientation( orient );
+
+        SGVec3d velocity;
+        velocity = SGVec3d( speed_north_deg_sec, speed_east_deg_sec,
+                            pitch*speed );
+        _fx->set_velocity( velocity );
+    }
+    else if ((_aimodel)&&(fgGetBool("/sim/sound/aimodels/enabled",false)))
+    {
+        string fxpath = _aimodel->get_sound_path();
+        if (fxpath != "")
+        {
+            _fxpath = fxpath;
+            props->setStringValue("sim/sound/path", _fxpath.c_str());
+
+            // initialize the sound configuration
+            SGSoundMgr *smgr = globals->get_soundmgr();
+            stringstream name;
+            name <<  "aifx:";
+            name << _refID;
+            _fx = new FGFX(smgr, name.str(), props);
+            _fx->init();
+        }
+    }
 }
 
 /** update LOD properties of the model */
@@ -267,7 +314,8 @@ bool FGAIBase::init(bool search_in_AI_path) {
     else
         _installed = true;
 
-    osg::Node * mdl = SGModelLib::loadDeferredModel(f, props, new FGNasalModelData(props));
+    _aimodel = new FGAIModelData(props);
+    osg::Node * mdl = SGModelLib::loadDeferredModel(f, props, _aimodel);
 
     if (_model.valid())
     {
@@ -293,6 +341,9 @@ bool FGAIBase::init(bool search_in_AI_path) {
         aip.setVisible(true);
         invisible = false;
         globals->get_scenery()->get_scene_graph()->addChild(aip.getSceneGraph());
+
+        // Get the sound-path tag from the configuration file and store it
+        // in the property tree.
         _initialized = true;
 
     } else if (!model_path.empty()) {
@@ -400,7 +451,12 @@ void FGAIBase::bind() {
     props->setDoubleValue("controls/flight/target-alt", altitude_ft);
     props->setDoubleValue("controls/flight/target-pitch", pitch);
 
-   props->setDoubleValue("controls/flight/target-spd", speed);
+    props->setDoubleValue("controls/flight/target-spd", speed);
+
+    props->setBoolValue("sim/sound/avionics/enabled", false);
+    props->setDoubleValue("sim/sound/avionics/volume", 0.0);
+    props->setBoolValue("sim/sound/avionics/external-view", false);
+    props->setBoolValue("sim/current-view/internal", false);
 
 }
 
@@ -436,6 +492,8 @@ void FGAIBase::unbind() {
 
     props->setBoolValue("/sim/controls/radar/", true);
 
+    // drop reference to sound effects now
+    _fx = 0;
 }
 
 double FGAIBase::UpdateRadar(FGAIManager* manager) {
@@ -847,3 +905,26 @@ int FGAIBase::_newAIModelID() {
     return id;
 }
 
+
+FGAIModelData::FGAIModelData(SGPropertyNode *root)
+  : _nasal( new FGNasalModelData(root) ),
+    _path("")
+{
+}
+
+FGAIModelData::~FGAIModelData()
+{
+    delete _nasal;
+}
+
+void FGAIModelData::modelLoaded(const string& path, SGPropertyNode *prop, osg::Node *n)
+{
+    const char* fxpath = prop->getStringValue("sound/path");
+    if (fxpath) {
+        string sound_path = string(fxpath);
+        if (sound_path != "") {
+            _path = "/AI/"+sound_path;
+        }
+    }
+    _nasal->modelLoaded(path, prop, n);
+}