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ModelMgr: catch not-found paths

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When findDataFile reutrns an empty path, don't continue trying to pass
it to OSG.

SF-ID: https://sourceforge.net/p/flightgear/codetickets/2609/
This commit is contained in:
James Turner 2021-07-21 22:55:39 +01:00
parent 609eeb65e4
commit e64f70bc72
1 changed files with 13 additions and 4 deletions
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17
src/Model/modelmgr.cxx
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@ -116,10 +116,12 @@ void FGModelMgr::shutdown()
void
FGModelMgr::add_model (SGPropertyNode * node)
{
SG_LOG(SG_AIRCRAFT, SG_INFO,
"Adding model " << node->getStringValue("name", "[unnamed]"));
const char *model_path = node->getStringValue("path", "Models/Geometry/glider.ac");
const std::string model_path{node->getStringValue("path", "Models/Geometry/glider.ac")};
if (model_path.empty()) {
SG_LOG(SG_AIRCRAFT, SG_WARN, "add_model called with empty path");
return;
}
osg::Node *object;
Instance * instance = new Instance;
@ -128,12 +130,19 @@ FGModelMgr::add_model (SGPropertyNode * node)
try {
std::string fullPath = simgear::SGModelLib::findDataFile(model_path);
if (fullPath.empty()) {
SG_LOG(SG_AIRCRAFT, SG_ALERT, "add_model: unable to find model with name '" << model_path << "'");
return;
}
object = SGModelLib::loadDeferredModel(fullPath, globals->get_props());
} catch (const sg_throwable& t) {
SG_LOG(SG_AIRCRAFT, SG_ALERT, "Error loading " << model_path << ":\n "
<< t.getFormattedMessage() << t.getOrigin());
return;
}
const std::string modelName{node->getStringValue("name", model_path.c_str())};
SG_LOG(SG_AIRCRAFT, SG_INFO, "Adding model " << modelName);
SGModelPlacement *model = new SGModelPlacement;
instance->model = model;