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NavDisplay - custom symbol support enabled.

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This commit is contained in:
James Turner 2012-12-24 23:13:18 +00:00
parent e248ea8183
commit a1031b052d
2 changed files with 44 additions and 1 deletions
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39
src/Cockpit/NavDisplay.cxx
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@ -566,6 +566,8 @@ NavDisplay::init ()
_userLonNode = _Instrument->getChild("user-longitude-deg", 0, true);
_userPositionEnable = _Instrument->getChild("user-position", 0, true);
_customSymbols = _Instrument->getChild("symbols", 0, true);
// OSG geometry setup
_radarGeode = new osg::Geode;
@ -745,6 +747,7 @@ NavDisplay::update (double delta_time_sec)
processRoute();
processNavRadios();
processAI();
processCustomSymbols();
findItems();
limitDisplayedSymbols();
}
@ -1439,3 +1442,39 @@ void NavDisplay::addRule(SymbolRule* r)
_rules.push_back(r);
}
void NavDisplay::computeCustomSymbolStates(const SGPropertyNode* sym, string_set& states)
{
BOOST_FOREACH(SGPropertyNode* st, sym->getChildren("state")) {
states.insert(st->getStringValue());
}
}
void NavDisplay::processCustomSymbols()
{
for (int i = _customSymbols->nChildren() - 1; i >= 0; i--) {
SGPropertyNode *symNode = _customSymbols->getChild(i);
if (!symNode->nChildren()) {
continue;
}
string_set ss;
computeCustomSymbolStates(symNode, ss);
SymbolRuleVector rules;
findRules(symNode->getName(), ss, rules);
if (rules.empty()) {
return; // no rules matched, we can skip this item
}
double heading = symNode->getDoubleValue("true-heading-deg", 0.0);
SGGeod pos = SGGeod::fromDegFt(symNode->getDoubleValue("longitude-deg"),
symNode->getDoubleValue("latitude-deg"),
symNode->getDoubleValue("altitude-ft"));
osg::Vec2 projected = projectGeod(pos);
BOOST_FOREACH(SymbolRule* r, rules) {
addSymbolInstance(projected, heading, r->getDefinition(), symNode);
}
} // of custom symbols iteration
}

6
src/Cockpit/NavDisplay.hxx
View file

@ -121,6 +121,9 @@ private:
void processAI();
void computeAIStates(const SGPropertyNode* ai, string_set& states);
void computeCustomSymbolStates(const SGPropertyNode* sym, string_set& states);
void processCustomSymbols();
void findRules(const std::string& type, const string_set& states, SymbolRuleVector& rules);
SymbolInstance* addSymbolInstance(const osg::Vec2& proj, double heading, SymbolDef* def, SGPropertyNode* vars);
@ -192,7 +195,8 @@ private:
FGPositioned::List _itemsInRange;
SGPropertyNode_ptr _excessDataNode;
int _maxSymbols;
SGPropertyNode_ptr _customSymbols;
class CacheListener;
std::auto_ptr<CacheListener> _cacheListener;