Updated poly2tri library from https://github.com/jhasse/poly2tri

src/poly2tri/sweep/sweep.cc

@@ -1,6 +1,6 @@
 /*
- * Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors
- * http://code.google.com/p/poly2tri/
+ * Poly2Tri Copyright (c) 2009-2018, Poly2Tri Contributors
+ * https://github.com/jhasse/poly2tri
  *
  * All rights reserved.
  *
@@ -28,19 +28,21 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#include <stdexcept>
 #include "sweep.h"
 #include "sweep_context.h"
 #include "advancing_front.h"
 #include "../common/utils.h"
 
+#include <cassert>
+#include <stdexcept>
+
 namespace p2t {
 
 // Triangulate simple polygon with holes
 void Sweep::Triangulate(SweepContext& tcx)
 {
   tcx.InitTriangulation();
-  tcx.CreateAdvancingFront(nodes_);
+  tcx.CreateAdvancingFront();
   // Sweep points; build mesh
   SweepPoints(tcx);
   // Clean up
@@ -699,13 +701,6 @@ void Sweep::FlipEdgeEvent(SweepContext& tcx, Point& ep, Point& eq, Triangle* t,
   Triangle& ot = t->NeighborAcross(p);
   Point& op = *ot.OppositePoint(*t, p);
 
-  if (&ot == NULL) {
-    // If we want to integrate the fillEdgeEvent do it here
-    // With current implementation we should never get here
-    //throw new RuntimeException( "[BUG:FIXME] FLIP failed due to missing triangle");
-    assert(0);
-  }
-
   if (InScanArea(p, *t->PointCCW(p), *t->PointCW(p), op)) {
     // Lets rotate shared edge one vertex CW
     RotateTrianglePair(*t, p, ot, op);
@@ -772,13 +767,6 @@ void Sweep::FlipScanEdgeEvent(SweepContext& tcx, Point& ep, Point& eq, Triangle&
   Triangle& ot = t.NeighborAcross(p);
   Point& op = *ot.OppositePoint(t, p);
 
-  if (&t.NeighborAcross(p) == NULL) {
-    // If we want to integrate the fillEdgeEvent do it here
-    // With current implementation we should never get here
-    //throw new RuntimeException( "[BUG:FIXME] FLIP failed due to missing triangle");
-    assert(0);
-  }
-
   if (InScanArea(eq, *flip_triangle.PointCCW(eq), *flip_triangle.PointCW(eq), op)) {
     // flip with new edge op->eq
     FlipEdgeEvent(tcx, eq, op, &ot, op);