NavDisplay: fix update lag when switching range or centre.

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

diff --git a/src/AIModel/AIBase.cxx b/src/AIModel/AIBase.cxx
index 93b8c1760e8e2dd0c53bdcff787e361b8f3ea9b0..a9d64e341683d619fa4cc78132faf1cb9c0720c3 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 +74,9 @@ FGAIBase::FGAIBase(object_type ot, bool enableHot) :
     _impact_speed(0),
     _refID( _newAIModelID() ),
     _otype(ot),
-    _initialized(false)
+    _initialized(false),
+    _modeldata(0),
+    _fx(0)
 
 {
     tgt_heading = hdg = tgt_altitude_ft = tgt_speed = 0.0;
@@ -137,7 +143,17 @@ FGAIBase::~FGAIBase() {
         if (parent)
             model_removed->setStringValue(props->getPath());
     }
-    delete fp;
+
+    if (_fx && _refID != 0 && _refID !=  1) {
+        SGSoundMgr *smgr = globals->get_soundmgr();
+        stringstream name; 
+        name <<  "aifx:";
+        name << _refID;
+        smgr->remove(name.str());
+    }
+
+    if (fp)
+        delete fp;
     fp = 0;
 }
 
@@ -147,6 +163,9 @@ FGAIBase::~FGAIBase() {
 void
 FGAIBase::removeModel()
 {
+    if (!_model.valid())
+        return;
+
     FGScenery* pSceneryManager = globals->get_scenery();
     if (pSceneryManager)
     {
@@ -198,6 +217,44 @@ 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 ((_modeldata)&&(_modeldata->needInitilization()))
+    {
+        // process deferred nasal initialization,
+        // which must be done in main thread
+        _modeldata->init();
+
+        // sound initialization
+        if (fgGetBool("/sim/sound/aimodels/enabled",false))
+        {
+            string fxpath = _modeldata->get_sound_path();
+            if (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 */
@@ -240,8 +297,14 @@ void FGAIBase::Transform() {
 
 }
 
-bool FGAIBase::init(bool search_in_AI_path) {
-    
+bool FGAIBase::init(bool search_in_AI_path)
+{
+    if (_model.valid())
+    {
+        SG_LOG(SG_AI, SG_ALERT, "AIBase: Cannot initialize a model multiple times! " << model_path);
+        return false;
+    }
+
     string f;
     if(search_in_AI_path)
     {
@@ -267,13 +330,8 @@ bool FGAIBase::init(bool search_in_AI_path) {
     else
         _installed = true;
 
-    osg::Node * mdl = SGModelLib::loadPagedModel(f, props, new FGNasalModelData(props));
-
-    if (_model.valid())
-    {
-        // reinit, dump the old model
-        removeModel();
-    }
+    _modeldata = new FGAIModelData(props);
+    osg::Node * mdl = SGModelLib::loadDeferredModel(f, props, _modeldata);
 
     _model = new osg::LOD;
     _model->setName("AI-model range animation node");
@@ -293,6 +351,9 @@ 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 +461,12 @@ 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 +502,8 @@ void FGAIBase::unbind() {
 
     props->setBoolValue("/sim/controls/radar/", true);
 
+    // drop reference to sound effects now
+    _fx = 0;
 }
 
 double FGAIBase::UpdateRadar(FGAIManager* manager) {
@@ -847,3 +915,36 @@ int FGAIBase::_newAIModelID() {
     return id;
 }
 
+
+FGAIModelData::FGAIModelData(SGPropertyNode *root)
+  : _nasal( new FGNasalModelData(root) ),
+    _ready(false),
+    _initialized(false)
+{
+}
+
+FGAIModelData::~FGAIModelData()
+{
+    delete _nasal;
+}
+
+void FGAIModelData::modelLoaded(const string& path, SGPropertyNode *prop, osg::Node *n)
+{
+    // WARNING: All this is called in a separate OSG thread! Only use thread-safe stuff
+    // here that is fine to be run concurrently with stuff in the main loop!
+    if (_ready)
+        return;
+    _fxpath = _prop->getStringValue("sound/path");
+    _prop = prop;
+    _path = path;
+    _ready = true;
+}
+
+// do Nasal initialization (must be called in the main loop)
+void FGAIModelData::init()
+{
+    // call FGNasalSys to create context and run hooks (not-thread safe!)
+    _nasal->modelLoaded(_path, _prop, 0);
+    _prop = 0;
+    _initialized = true;
+}