// loading/unloading
// ----------------------------------------------------------------------------------------------
// Loads a file and turns it into a runtime resource
bool ResourceManager::LoadResource(Resource * res, const WCHAR* filename)
{
bool ok = false;
// try to create resource
if (!FileUtils::Exists(filename))
{
Logger::Log(OutputMessageType::Error, L"Failed to load file, '%ls' -- does not exist\n", filename);
return false;
}
PerfTimer timer;
timer.Start();
// get factory associated with 'filename'
ResourceFactory * factory = GetFactory(filename);
if (!factory)
{
return false;
}
ok = factory->LoadResource(res, filename);
if (ok)
{
res->SetReady();
timer.Stop();
Logger::Log(OutputMessageType::Debug, L"%d ms Loaded %ls\n", timer.ElapsedMilliseconds(), FileUtils::Name(filename));
}
else
{
timer.Stop();
Logger::Log(OutputMessageType::Error, L"%d ms failed to load %ls\n", timer.ElapsedMilliseconds(), filename);
}
return ok;
}
Pmwx::Halfedge_handle InsertOneSegment(
const RawCoordPair& p1,
const RawCoordPair& p2,
VertexIndex& index,
Pmwx& ioMap)
{
string key1 = RawCoordToKey(p1);
Point_2 pt1 = RawCoordToCoord(p1);
string key2 = RawCoordToKey(p2);
Point_2 pt2 = RawCoordToCoord(p2);
VertexIndex::iterator i1 = index.find(key1);
VertexIndex::iterator i2 = index.find(key2);
Pmwx::Halfedge_handle he = Pmwx::Halfedge_handle();
#if 0
Pmwx::Locate_type loc1, loc2;
ioMap.locate(pt1, loc1);
ioMap.locate(pt2, loc2);
CGAL_precondition_msg(loc1 != Pmwx::EDGE, "Pt1 on an edge, will cause CHAOS");
CGAL_precondition_msg(loc2 != Pmwx::EDGE, "Pt2 on an edge, will cause CHAOS");
if (i1 == index.end())
CGAL_precondition_msg(loc1 != Pmwx::VERTEX, "Pt1 on an unindexed vertex, will cause CHAOS");
if (i2 == index.end())
CGAL_precondition_msg(loc2 != Pmwx::VERTEX, "Pt2 on an unindexed vertex, will cause CHAOS");
#endif
if (i1 == index.end())
{
if (i2 == index.end())
{
// Totally unknown segment.
Pmwx::Locate_type lt;
zeroV.Start();
he = ioMap.locate(pt1, lt);
CGAL_precondition_msg(lt == Pmwx::FACE || lt == Pmwx::UNBOUNDED_FACE, "Inserting a segment in unknown territory but it's NOT on a face!!");
Pmwx::Face_handle fe = (lt == Pmwx::UNBOUNDED_FACE) ? ioMap.unbounded_face() : he->face();
// he = ioMap.non_intersecting_insert(PM_Curve_2(pt1, pt2));
he = ioMap.insert_in_face_interior(PM_Curve_2(pt1, pt2), fe);
zeroV.Stop();
if (he != Pmwx::Halfedge_handle())
{
index[key1] = he->source();
index[key2] = he->target();
}
} else {
// We know pt 2 but pt 1 is floating. Make a vector
// using the vertex handle from 2 and 1's raw value.
oneV.Start();
he = ioMap.Planar_map_2::insert_from_vertex(
PM_Curve_2(i2->second->point(), pt1),
i2->second);
oneV.Stop();
// Now pt 1 gets stored...it is the target of the new halfedge.
if (he != Pmwx::Halfedge_handle())
{
index[key1] = he->target();
he = he->twin(); // This halfedge goes from 2 to 1, turn it around!
}
}
} else {
if (i2 == index.end())
{
oneV.Start();
// We know pt 1 but not pt 2
he = ioMap.Planar_map_2::insert_from_vertex(
PM_Curve_2(i1->second->point(), pt2),
i1->second);
oneV.Stop();
// Now pt 1 gets stored...it is the target of the new halfedge.
if (he != Pmwx::Halfedge_handle())
index[key2] = he->target();
} else {
twoV.Start();
// Both pts are known
he = ioMap.Planar_map_2::insert_at_vertices(
PM_Curve_2(i1->second->point(), i2->second->point()),
i1->second,
i2->second);
twoV.Stop();
}
}
if (he == Pmwx::Halfedge_handle())
{
return ioMap.halfedges_end();
}
// Whenever we create a half edge we have to pick dominance...this works.
he->mDominant = true;
return he;
}