Effects: pass the model XML path through to makeEffects

This gives knowledge of how to resolve relative paths, to makeEffects
invocation of findDataFile, and hence gives a more familiar lookup
ordering, for Aircraft-supplied effects.

SF-ID: https://sourceforge.net/p/flightgear/codetickets/2678/

simgear-version

@@ -1 +1 @@
-2020.3.10
+2020.3.13

simgear/canvas/ODGauge.cxx

@@ -298,8 +298,8 @@ namespace canvas
   {
     if( camera.valid() && Canvas::getSystemAdapter() )
       Canvas::getSystemAdapter()->removeCamera(camera.get());
-    camera.release();
-    texture.release();
+    camera = nullptr;
+    texture = nullptr;
 
     _flags &= ~AVAILABLE;
   }

simgear/debug/ErrorReportingCallback.cxx

@@ -16,6 +16,7 @@
 #include <simgear_config.h>
 
 #include "ErrorReportingCallback.hxx"
+#include "logstream.hxx"
 
 #include <simgear/misc/sg_path.hxx>
 
@@ -27,6 +28,31 @@ static ErrorReportCallback static_callback;
 static ContextCallback static_contextCallback;
 
 
+string_list static_errorNames = {
+    "shader/effect",
+    "loading texture",
+    "XML/animation load",
+    "3D model load",
+    "loading BTG",
+    "sceanrio load",
+    "UI dialog load",
+    "loading Audio/FX",
+    "Nasal/commnad load of XML",
+    "aircraft-systems",
+    "loading input/joystick config",
+    "load AI/traffic",
+    "from TerraSync"};
+
+string_list static_errorTypeNames = {
+    "unknown",
+    "not found",
+    "out of memory",
+    "bad header",
+    "bad data",
+    "misconfigured",
+    "disk IO/permissions",
+    "network IO"};
+
 void setErrorReportCallback(ErrorReportCallback cb)
 {
     static_callback = cb;
@@ -53,6 +79,7 @@ static FailureCallback static_failureCallback;
 void reportFailure(LoadFailure type, ErrorCode code, const std::string& details, sg_location loc)
 {
     if (!static_failureCallback) {
+        SG_LOG(SG_GENERAL, SG_WARN, "Error:" << static_errorTypeNames.at(static_cast<int>(type)) << " from " << static_errorNames.at(static_cast<int>(code)) << "::" << details << "\n\t" << loc.asString());
         return;
     }
 
@@ -62,6 +89,9 @@ void reportFailure(LoadFailure type, ErrorCode code, const std::string& details,
 void reportFailure(LoadFailure type, ErrorCode code, const std::string& details, const SGPath& path)
 {
     if (!static_failureCallback) {
+        // if no callback is registered, log here instead
+        SG_LOG(SG_GENERAL, SG_WARN, "Error:" << static_errorTypeNames.at(static_cast<int>(type)) << " from " << static_errorNames.at(static_cast<int>(code)) << "::" << details << "\n\t" << path);
+
         return;
     }
 

simgear/io/HTTPRepository.cxx

@@ -774,7 +774,7 @@ private:
 
         if (!ok) {
             SG_LOG(SG_TERRASYNC, SG_WARN, "removal failed for:" << path);
-            throw sg_io_exception("Failed to remove existing file/dir:", path);
+            throw sg_io_exception("Failed to remove existing file/dir:", path, "", false);
         }
     }
 
@@ -1424,7 +1424,8 @@ HTTPRepository::failure() const
         SG_LOG(SG_TERRASYNC, SG_WARN,
                "failed to update entry:" << relativePath << " status/code: "
                                          << innerResultCodeAsString(fileStatus)
-                                         << "/" << fileStatus);
+                                         << "/" << fileStatus
+                                         << "\nrepo:" << baseUrl);
 
         simgear::reportFailure(simgear::LoadFailure::NetworkError, simgear::ErrorCode::TerraSync,
                                "failed to update entry:" + innerResultCodeAsString(fileStatus),

simgear/io/lowlevel.cxx

@@ -48,9 +48,11 @@ static std::string gzErrorMessage(gzFile fd)
 
     if (errNum == Z_ERRNO) {
         return simgear::strutils::error_string(errno);
-    } else {
+    } else if (gzMsg) {
         return {gzMsg};
     }
+
+    return {"GZError: no string code for code:" + std::to_string(errNum)};
 }
 
 void sgReadChar ( gzFile fd, char *var )

simgear/misc/simgear_optional.hxx

@@ -74,6 +74,22 @@ public:
         return _value;
     }
 
+    const T& value_or(const T& defaultValue) const
+    {
+        if (!_haveValue) {
+            return defaultValue;
+        }
+        return _value;
+    }
+
+    T& value_or(T& defaultValue) const
+    {
+        if (!_haveValue) {
+            return defaultValue;
+        }
+        return _value;
+    }
+
     T& value()
     {
         if (!_haveValue) {

simgear/props/props_io.cxx

@@ -161,7 +161,7 @@ setFlag( int& mode,
     string message = "Unrecognized flag value '";
     message += flag;
     message += '\'';
-    throw sg_io_exception(message, location, SG_ORIGIN);
+    throw sg_io_exception(message, location, SG_ORIGIN, false);
   }
 }
 
@@ -176,7 +176,7 @@ PropsVisitor::startElement (const char * name, const XMLAttributes &atts)
       string message = "Root element name is ";
       message += name;
       message += "; expected PropertyList";
-      throw sg_io_exception(message, location, SG_ORIGIN);
+      throw sg_io_exception(message, location, SG_ORIGIN, false);
     }
 
     // Check for an include.
@@ -188,7 +188,7 @@ PropsVisitor::startElement (const char * name, const XMLAttributes &atts)
           {
               string message ="Cannot open file ";
               message += attval;
-              throw sg_io_exception(message, location, SG_ORIGIN);
+              throw sg_io_exception(message, location, SG_ORIGIN, false);
           }
           readProperties(path, _root, 0, _extended);
       } catch (sg_io_exception &e) {
@@ -278,7 +278,7 @@ PropsVisitor::startElement (const char * name, const XMLAttributes &atts)
           {
             string message ="Cannot open file ";
             message += val;
-            throw sg_io_exception(message, location, SG_ORIGIN);
+            throw sg_io_exception(message, location, SG_ORIGIN, false);
           }
           readProperties(path, node, 0, _extended);
         }
@@ -353,7 +353,7 @@ PropsVisitor::endElement (const char * name)
       string message = "Unrecognized data type '";
       message += st.type;
       message += '\'';
-      throw sg_io_exception(message, location, SG_ORIGIN);
+      throw sg_io_exception(message, location, SG_ORIGIN, false);
     }
     if( !ret )
       SG_LOG
@@ -701,7 +701,7 @@ writeProperties (const SGPath &path, const SGPropertyNode * start_node,
   if (output.good()) {
     writeProperties(output, start_node, write_all, archive_flag);
   } else {
-    throw sg_io_exception("Cannot open file", sg_location(path.utf8Str()));
+    throw sg_io_exception("Cannot open file", sg_location(path.utf8Str()), "", false);
   }
 }
 
@@ -770,7 +770,7 @@ copyPropertyValue(const SGPropertyNode *in, SGPropertyNode *out)
                 break;
             string message = "Unknown internal SGPropertyNode type";
             message += in->getType();
-            throw sg_error(message, SG_ORIGIN);
+            throw sg_error(message, SG_ORIGIN, false);
     }
     
     return retval;

simgear/scene/material/Effect.hxx

@@ -160,7 +160,8 @@ size_t hash_value(const Effect::Key&);
 
 Effect* makeEffect(const std::string& name,
                    bool realizeTechniques,
-                   const SGReaderWriterOptions* options);
+                   const SGReaderWriterOptions* options,
+                   const SGPath& modelPath = SGPath{});
 
 Effect* makeEffect(SGPropertyNode* prop,
                    bool realizeTechniques,

simgear/scene/material/makeEffect.cxx

@@ -114,7 +114,8 @@ void mergePropertyTrees(SGPropertyNode* resultNode,
 
 Effect* makeEffect(const string& name,
                    bool realizeTechniques,
-                   const SGReaderWriterOptions* options)
+                   const SGReaderWriterOptions* options,
+                   const SGPath& modelPath)
 {
     {
         OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(effectMutex);
@@ -125,8 +126,7 @@ Effect* makeEffect(const string& name,
     }
     string effectFileName(name);
     effectFileName += ".eff";
-    string absFileName
-        = SGModelLib::findDataFile(effectFileName, options);
+    string absFileName = SGModelLib::findDataFile(effectFileName, options, modelPath);
     if (absFileName.empty()) {
         simgear::reportFailure(simgear::LoadFailure::NotFound, simgear::ErrorCode::LoadEffectsShaders, "Couldn't find Effect:" + effectFileName);
         return nullptr;
@@ -197,7 +197,7 @@ Effect* makeEffect(SGPropertyNode* prop,
     Effect* parent = 0;
     if (inheritProp) {
         //prop->removeChild("inherits-from");
-        parent = makeEffect(inheritProp->getStringValue(), false, options);
+        parent = makeEffect(inheritProp->getStringValue(), false, options, filePath);
         if (parent) {
             Effect::Key key;
             key.unmerged = prop;

simgear/scene/material/matlib.cxx

@@ -83,6 +83,8 @@ bool SGMaterialLib::load( const SGPath &fg_root, const SGPath& mpath,
     options->setObjectCacheHint(osgDB::Options::CACHE_ALL);
     options->setDatabasePath(fg_root.utf8Str());
 
+    std::lock_guard<std::mutex> g(d->mutex);
+
     simgear::PropertyList blocks = materialblocks.getChildren("region");
     simgear::PropertyList::const_iterator block_iter = blocks.begin();
 
@@ -153,14 +155,20 @@ bool SGMaterialLib::load( const SGPath &fg_root, const SGPath& mpath,
 
 // find a material record by material name and tile center
 SGMaterial *SGMaterialLib::find( const string& material, const SGVec2f center ) const
+{
+    std::lock_guard<std::mutex> g(d->mutex);
+    return internalFind(material, center);
+}
+
+SGMaterial* SGMaterialLib::internalFind(const string& material, const SGVec2f center) const
 {
     SGMaterial *result = NULL;
     const_material_map_iterator it = matlib.find( material );
-    if ( it != end() ) {            
+    if (it != end()) {
         // We now have a list of materials that match this
         // name. Find the first one that matches.
-    	// We start at the end of the list, as the materials
-    	// list is ordered with the smallest regions at the end.
+        // We start at the end of the list, as the materials
+        // list is ordered with the smallest regions at the end.
         material_list::const_reverse_iterator iter = it->second.rbegin();
         while (iter != it->second.rend()) {
             result = *iter;
@@ -184,11 +192,12 @@ SGMaterial *SGMaterialLib::find( const string& material, const SGGeod& center )
 SGMaterialCache *SGMaterialLib::generateMatCache(SGVec2f center)
 {
 	SGMaterialCache* newCache = new SGMaterialCache();
+    std::lock_guard<std::mutex> g(d->mutex);
+
     material_map::const_reverse_iterator it = matlib.rbegin();
     for (; it != matlib.rend(); ++it) {
-        newCache->insert(it->first, find(it->first, center));
+        newCache->insert(it->first, internalFind(it->first, center));
     }
-    
     return newCache;
 }
 

simgear/scene/material/matlib.hxx

@@ -81,7 +81,10 @@ private:
     typedef material_map::const_iterator const_material_map_iterator;
 
     material_map matlib;
-    
+
+
+    SGMaterial* internalFind(const std::string& material, const SGVec2f center) const;
+
 public:
 
     // Constructor

simgear/scene/model/SGReaderWriterXML.cxx

@@ -559,8 +559,8 @@ sgLoad3DModel_internal(const SGPath& path,
     // Some material animations (eventually all) are actually effects.
     makeEffectAnimations(animation_nodes, effect_nodes);
     {
-        ref_ptr<Node> modelWithEffects
-            = instantiateEffects(group.get(), effect_nodes, options.get());
+        ref_ptr<Node> modelWithEffects = instantiateEffects(group.get(), effect_nodes, options.get(),
+                                                            path.dirPath());
         group = static_cast<Group*>(modelWithEffects.get());
     }
 

simgear/scene/model/SGText.cxx

@@ -16,23 +16,27 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 
-#ifdef HAVE_CONFIG_H
-#  include <simgear_config.h>
-#endif
+#include <simgear_config.h>
 
 #include <cstdio>
 
 #include "SGText.hxx"
 
-#include <simgear/math/SGMath.hxx>
-#include <simgear/misc/sg_path.hxx>
-#include <simgear/misc/strutils.hxx>
 
 #include <osg/Geode>
 #include <osg/MatrixTransform>
 #include <osgText/Text>
 #include <osgText/Font>
 
+#include <simgear/misc/ResourceManager.hxx>
+#include <simgear/math/SGMath.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/misc/strutils.hxx>
+#include <simgear/scene/material/Effect.hxx>
+#include <simgear/scene/material/EffectGeode.hxx>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
+#include <simgear/debug/ErrorReportingCallback.hxx>
+
 using std::string;
 
 class SGText::UpdateCallback : public osg::NodeCallback {
@@ -95,9 +99,15 @@ osg::Node * SGText::appendText(const SGPropertyNode* configNode,
   osg::Geode * g = new osg::Geode;
   g->addDrawable( text );
 
-  SGPath path("Fonts" );
-  path.append( configNode->getStringValue( "font", "Helvetica" ));
-  text->setFont( path.utf8Str() );
+  const std::string requestedFont = configNode->getStringValue("font","Helvetica");
+  const SGPath fontPath = simgear::ResourceManager::instance()->findPath("Fonts/" + requestedFont);
+  if ( !fontPath.isNull() ) {
+    text->setFont( fontPath.utf8Str() );
+  } else {
+    simgear::reportFailure(simgear::LoadFailure::NotFound,
+                          simgear::ErrorCode::LoadingTexture,
+                                   "SGText: couldn;t find font:" + requestedFont);
+  }
 
   text->setCharacterSize(configNode->getDoubleValue("character-size", 1.0 ), 
                          configNode->getDoubleValue("character-aspect-ratio", 1.0 ));

simgear/scene/model/animation.cxx

@@ -457,9 +457,6 @@ SGAnimation::~SGAnimation()
       }
       if (!info.empty())
       {
-          reportFailure(LoadFailure::Misconfigured, ErrorCode::XMLModelLoad,
-                        "Could not find at least one of the following object for animation:" + info,
-                        SGPath::fromUtf8(_modelData.getPath()));
           SG_LOG(SG_IO, SG_DEV_ALERT, "Could not find at least one of the following"
                   " objects for animation: " << info << " in file: " << _modelData.getPath());
       }

simgear/scene/model/model.cxx

@@ -234,7 +234,7 @@ public:
     typedef std::map<string, SGPropertyNode_ptr> EffectMap;
     using SplicingVisitor::apply;
     MakeEffectVisitor(const SGReaderWriterOptions* options = 0)
-        : _options(options)
+        : _options(options), _modelPath(SGPath{})
     {
     }
     virtual void apply(osg::Group& node);
@@ -246,10 +246,17 @@ public:
         _currentEffectParent = effect;
     }
     SGPropertyNode* getDefaultEffect() { return _currentEffectParent; }
+
+    void setModelPath(const SGPath& p)
+    {
+        _modelPath = p;
+    }
+
 protected:
     EffectMap _effectMap;
     SGPropertyNode_ptr _currentEffectParent;
     osg::ref_ptr<const SGReaderWriterOptions> _options;
+    SGPath _modelPath;
 };
 
 void MakeEffectVisitor::apply(osg::Group& node)
@@ -287,7 +294,7 @@ void MakeEffectVisitor::apply(osg::Geode& geode)
     makeParametersFromStateSet(ssRoot, ss);
     SGPropertyNode_ptr effectRoot = new SGPropertyNode;
     effect::mergePropertyTrees(effectRoot, ssRoot, _currentEffectParent);
-    Effect* effect = makeEffect(effectRoot, true, _options.get());
+    Effect* effect = makeEffect(effectRoot, true, _options.get(), _modelPath);
     EffectGeode* eg = dynamic_cast<EffectGeode*>(&geode);
     if (eg) {
         eg->setEffect(effect);
@@ -332,7 +339,8 @@ protected:
 
 ref_ptr<Node> instantiateEffects(osg::Node* modelGroup,
                                  PropertyList& effectProps,
-                                 const SGReaderWriterOptions* options)
+                                 const SGReaderWriterOptions* options,
+                                 const SGPath& modelPath)
 {
     SGPropertyNode_ptr defaultEffectPropRoot;
     MakeEffectVisitor visitor(options);
@@ -357,13 +365,15 @@ ref_ptr<Node> instantiateEffects(osg::Node* modelGroup,
     if (!defaultEffectPropRoot)
         defaultEffectPropRoot = DefaultEffect::instance()->getEffect();
     visitor.setDefaultEffect(defaultEffectPropRoot.ptr());
+    visitor.setModelPath(modelPath);
     modelGroup->accept(visitor);
     osg::NodeList& result = visitor.getResults();
     return ref_ptr<Node>(result[0].get());
 }
 
 ref_ptr<Node> instantiateMaterialEffects(osg::Node* modelGroup,
-                                        const SGReaderWriterOptions* options)
+                                         const SGReaderWriterOptions* options,
+                                         const SGPath& modelPath)
 {
 
     SGPropertyNode_ptr effect;
@@ -390,7 +400,7 @@ ref_ptr<Node> instantiateMaterialEffects(osg::Node* modelGroup,
 
     effect->addChild("default")->setBoolValue(true);
     effectProps.push_back(effect);
-    return instantiateEffects(modelGroup, effectProps, options);
+    return instantiateEffects(modelGroup, effectProps, options, modelPath);
 }
 
 }

simgear/scene/model/model.hxx

@@ -102,7 +102,8 @@ public:
 osg::ref_ptr<osg::Node>
 instantiateEffects(osg::Node* model,
                    PropertyList& effectProps,
-                   const SGReaderWriterOptions* options);
+                   const SGReaderWriterOptions* options,
+                   const SGPath& currentDir = SGPath{});
 
 /**
  * Apply a set of material-defined effects to a model
@@ -112,9 +113,10 @@ instantiateEffects(osg::Node* model,
  *
  * returns a copy if any nodes are changed
  */
- osg::ref_ptr<osg::Node>
- instantiateMaterialEffects(osg::Node* model,
-                    const SGReaderWriterOptions* options);
+osg::ref_ptr<osg::Node>
+instantiateMaterialEffects(osg::Node* model,
+                           const SGReaderWriterOptions* options,
+                           const SGPath& modelPath = SGPath{});
 
 /**
  * Transform an OSG subgraph by substituting the Effects and
@@ -127,10 +129,11 @@ instantiateEffects(osg::Node* model,
 
 inline osg::ref_ptr<osg::Node>
 instantiateEffects(osg::Node* model,
-                   const SGReaderWriterOptions* options)
+                   const SGReaderWriterOptions* options,
+                   const SGPath& currentDir = SGPath{})
 {
     PropertyList effectProps;
-    return instantiateEffects(model, effectProps, options);
+    return instantiateEffects(model, effectProps, options, currentDir);
 }
 }
 #endif // __MODEL_HXX

simgear/scene/model/particles.cxx

@@ -512,6 +512,14 @@ void Particles::setupStaticColorComponent(float r1, float g1, float b1, float a1
     staticColorComponents[7] = a2;
 }
 
+ParticlesGlobalManager::~ParticlesGlobalManager()
+{
+    // break a ref-counting cycle
+    if (d->_commonRoot) {
+        d->_commonRoot->removeUpdateCallback(d.get());
+    }
+}
+
 void ParticlesGlobalManager::setWindVector(const osg::Vec3& wind)
 {
     std::lock_guard<std::mutex> g(d->_lock);

simgear/scene/model/particles.hxx

@@ -150,7 +150,7 @@ protected:
 class ParticlesGlobalManager
 {
 public:
-    ~ParticlesGlobalManager() = default;
+    ~ParticlesGlobalManager();
 
     static ParticlesGlobalManager* instance();
     static void clear();

simgear/scene/tgdb/SGNodeTriangles.hxx

@@ -267,12 +267,12 @@ public:
                             SGVec2f texCoord = a*t0 + b*t1 + c*t2;
                     
                             // Check this random point against the object mask
-                            // red channel.
+                            // blue channel.
                             osg::Image* img = object_mask->getImage();            
                             unsigned int x = (int) (img->s() * texCoord.x()) % img->s();
                             unsigned int y = (int) (img->t() * texCoord.y()) % img->t();
                     
-                            if (mt_rand(&seed) < img->getColor(x, y).r()) {                
+                            if (mt_rand(&seed) < img->getColor(x, y).b()) {
                                 points.push_back(randomPoint);        
                             }                    
                         } else {      

simgear/scene/tgdb/SGTexturedTriangleBin.hxx

@@ -192,12 +192,12 @@ public:
           SGVec2f texCoord = a*t0 + b*t1 + c*t2;
           
           // Check this random point against the object mask
-          // red channel.
+          // blue channel.
           osg::Image* img = object_mask->getImage();            
           unsigned int x = (int) (img->s() * texCoord.x()) % img->s();
           unsigned int y = (int) (img->t() * texCoord.y()) % img->t();
           
-          if (mt_rand(&seed) < img->getColor(x, y).r()) {                
+          if (mt_rand(&seed) < img->getColor(x, y).b()) {
             points.push_back(randomPoint);        
           }                    
         } else {      

simgear/scene/tgdb/SGTileDetailsCallback.hxx

@@ -37,6 +37,7 @@
 #include <simgear/scene/util/SGReaderWriterOptions.hxx>
 #include <simgear/scene/util/OptionsReadFileCallback.hxx>
 #include <simgear/scene/util/SGNodeMasks.hxx>
+#include <simgear/debug/ErrorReportingCallback.hxx>
 
 #include "SGNodeTriangles.hxx"
 #include "GroundLightManager.hxx"
@@ -55,9 +56,11 @@ typedef std::list<SGDirectionalLightBin> SGDirectionalLightListBin;
 #define SG_SIMPLIFIER_RATIO         (0.001)
 #define SG_SIMPLIFIER_MAX_LENGTH    (1000.0)
 #define SG_SIMPLIFIER_MAX_ERROR     (2000.0)
-#define SG_TILE_MIN_EXPIRY          (180.0)
+
 using namespace simgear;
 
+using ReadResult = osgDB::ReaderWriter::ReadResult;
+
 // QuadTreeBuilder is used by Random Objects Generator
 typedef std::pair<osg::Node*, int> ModelLOD;
 struct MakeQuadLeaf {
@@ -97,47 +100,59 @@ public:
         SG_LOG( SG_TERRAIN, SG_DEBUG, "SGTileDetailsCallback::~SGTileDetailsCallback() num cbs left " << num_tdcb  );
     }
     
-    virtual osgDB::ReaderWriter::ReadResult readNode(
-        const std::string&, const osgDB::Options*)
+    ReadResult readNode(const std::string&, const osgDB::Options*) override
     {
-        SGMaterialLibPtr matlib;
-        osg::ref_ptr<SGMaterialCache> matcache; 
-        
-        osg::ref_ptr<osg::Group> group = new osg::Group;
-        group->setDataVariance(osg::Object::STATIC);
+        osg::ref_ptr<osg::Group> group;
+        simgear::ErrorReportContext ec{"btg", _path};
 
-        // generate textured triangle list
-        std::vector<SGTriangleInfo> matTris;
-        GetNodeTriangles nodeTris(_gbs_center, &matTris);
-        _rootNode->accept( nodeTris );
+        try {
+            group = new osg::Group;
+            SGMaterialLibPtr matlib;
+            osg::ref_ptr<SGMaterialCache> matcache;             
+            group->setDataVariance(osg::Object::STATIC);
 
-        // build matcache
-        matlib = _options->getMaterialLib();
-        if (matlib) {
-            SGGeod geodPos = SGGeod::fromCart(_gbs_center);            
-            matcache = matlib->generateMatCache(geodPos);
-        }
-        
-#if 0
-        // TEST : See if we can regenerate landclass shapes from node
-        for ( unsigned int i=0; i<matTris.size(); i++ ) {
-            matTris[i].dumpBorder(_gbs_center);
-        }
-#endif
+            // generate textured triangle list
+            std::vector<SGTriangleInfo> matTris;
+            GetNodeTriangles nodeTris(_gbs_center, &matTris);
+            _rootNode->accept( nodeTris );
 
-        osg::Node* node = loadTerrain();
-        if (node) {
-            group->addChild(node);
-        }
+            // build matcache
+            matlib = _options->getMaterialLib();
+            if (matlib) {
+                SGGeod geodPos = SGGeod::fromCart(_gbs_center);            
+                matcache = matlib->generateMatCache(geodPos);
+            }
+            
+    #if 0
+            // TEST : See if we can regenerate landclass shapes from node
+            for ( unsigned int i=0; i<matTris.size(); i++ ) {
+                matTris[i].dumpBorder(_gbs_center);
+            }
+    #endif
 
-        osg::LOD* lightLOD = generateLightingTileObjects(matTris, matcache);
-        if (lightLOD) {
-            group->addChild(lightLOD);
-        }
+            osg::Node* node = loadTerrain();
+            if (node) {
+                group->addChild(node);
+            }
 
-        osg::LOD* objectLOD = generateRandomTileObjects(matTris, matcache);
-        if (objectLOD) {
-            group->addChild(objectLOD);
+            osg::LOD* lightLOD = generateLightingTileObjects(matTris, matcache);
+            if (lightLOD) {
+                group->addChild(lightLOD);
+            }
+
+            osg::LOD* objectLOD = generateRandomTileObjects(matTris, matcache);
+            if (objectLOD) {
+                group->addChild(objectLOD);
+            }
+        } catch (sg_exception& sge) {
+            simgear::reportFailure(simgear::LoadFailure::BadData, simgear::ErrorCode::BTGLoad,
+                                "Failed to load BTG file:" + sge.getFormattedMessage(),
+                                sge.getLocation());
+            return ReadResult::ERROR_IN_READING_FILE;
+        } catch (std::bad_alloc &e) {
+            simgear::reportFailure(simgear::LoadFailure::OutOfMemory, simgear::ErrorCode::BTGLoad,
+                                "Out of memory loading tile details", sg_location{_path});
+            return ReadResult::INSUFFICIENT_MEMORY_TO_LOAD;
         }
         
         return group.release();

simgear/sound/sample.hxx

@@ -343,7 +343,7 @@ public:
      * Schedule this audio sample to stop (or start) playing.
      */
     inline void set_out_of_range(bool oor = true) {
-        _out_of_range = oor; _playing = (!oor && _loop); _changed = true;
+        _out_of_range = oor; _changed = true;
     }
 
     /**

simgear/sound/xmlsound.cxx

@@ -347,7 +347,9 @@ SGXmlSound::update (double dt)
    // else
    //   if a property is defined then test if it's value is FALSE
    //      or if the mode is IN_TRANSIT then
-   //            test whether the current value matches the previous value.
+   //            test whether the current value matches the previous value,
+   // else
+   //   check if out of range.
    if ( 							// Lisp, anyone?
        (_condition && !_condition->test()) ||
        (!_condition && _property &&
@@ -355,7 +357,8 @@ SGXmlSound::update (double dt)
          !curr_value ||
          ( (_mode == SGXmlSound::IN_TRANSIT) && (curr_value == _prev_value) )
          )
-        )
+        ) ||
+        _sample->test_out_of_range()
        )
    {
        if ((_mode != SGXmlSound::IN_TRANSIT) || (_stopping > MAX_TRANSIT_TIME))

version

@@ -1 +0,0 @@
-2020.3.8