// only find local links
void EntityLinkDecorator::gatherLinksLocal(Vec4f::List& vList, RenderContext& context, Model::Entity& curEnt) {
if (!context.filter().entityVisible(curEnt))
return;
Model::EntityList::const_iterator it, end;
const Model::EntityList& targetList = curEnt.linkTargets();
for (it = targetList.begin(), end = targetList.end(); it != end; ++it) {
const Model::Entity& targetEnt = **it;
if (!context.filter().entityVisible(targetEnt))
continue;
addArrowVerts(vList, curEnt.center(), targetEnt.center());
}
const Model::EntityList& sourceList = curEnt.linkSources();
for (it = sourceList.begin(), end = sourceList.end(); it != end; ++it) {
const Model::Entity& sourceEnt = **it;
if (!context.filter().entityVisible(sourceEnt))
continue;
addArrowVerts(vList, sourceEnt.center(), curEnt.center());
}
}
// find links in a "context"
void EntityLinkDecorator::gatherLinks(Vec4f::List& vListLocal, Vec4f::List& vListContext, RenderContext& context, Model::Entity& curEnt, Model::EntitySet& visitedEntities) {
Model::EntitySet::iterator vIt = visitedEntities.lower_bound(&curEnt);
if (*vIt == &curEnt)
return;
visitedEntities.insert(vIt, &curEnt);
if (!context.filter().entityVisible(curEnt))
return;
Model::EntityList::const_iterator it, end;
const Model::EntityList& targetList = curEnt.linkTargets();
for (it = targetList.begin(), end = targetList.end(); it != end; ++it) {
Model::Entity& targetEnt = **it;
if (!context.filter().entityVisible(targetEnt))
continue;
if (curEnt.selected() || targetEnt.selected())
addArrowVerts(vListLocal, curEnt.center(), targetEnt.center());
else
addArrowVerts(vListContext, curEnt.center(), targetEnt.center());
gatherLinks(vListLocal, vListContext, context, targetEnt, visitedEntities);
}
const Model::EntityList& sourceList = curEnt.linkSources();
for (it = sourceList.begin(), end = sourceList.end(); it != end; ++it) {
Model::Entity& sourceEnt = **it;
if (!context.filter().entityVisible(sourceEnt))
continue;
gatherLinks(vListLocal, vListContext, context, sourceEnt, visitedEntities);
}
}