2 files changed, 36 insertions, 0 deletions
diff --git a/intern/rigidbody/RBI_hull_api.h b/intern/rigidbody/RBI_hull_api.h
index 9d2dc5034db..3bd216b92cb 100644
--- a/intern/rigidbody/RBI_hull_api.h
+++ b/intern/rigidbody/RBI_hull_api.h
@@ -31,9 +31,13 @@ typedef struct plConvexHull__ {
 plConvexHull plConvexHullCompute(float (*coords)[3], int count);
 void plConvexHullDelete(plConvexHull hull);
 int plConvexHullNumVertices(plConvexHull hull);
+int plConvexHullNumLoops(plConvexHull hull);
 int plConvexHullNumFaces(plConvexHull hull);
 void plConvexHullGetVertex(plConvexHull hull, int n, float coords[3], int *original_index);
+void plConvexHullGetLoop(plConvexHull hull, int n, int *v_from, int *v_to);
+int plConvexHullGetReversedLoopIndex(plConvexHull hull, int n);
 int plConvexHullGetFaceSize(plConvexHull hull, int n);
+void plConvexHullGetFaceLoops(plConvexHull hull, int n, int *loops);
 void plConvexHullGetFaceVertices(plConvexHull hull, int n, int *vertices);
 
 #ifdef __cplusplus
diff --git a/intern/rigidbody/rb_convex_hull_api.cpp b/intern/rigidbody/rb_convex_hull_api.cpp
index c5893a4c808..03e7580a12b 100644
--- a/intern/rigidbody/rb_convex_hull_api.cpp
+++ b/intern/rigidbody/rb_convex_hull_api.cpp
@@ -39,6 +39,12 @@ int plConvexHullNumVertices(plConvexHull hull)
   return computer->vertices.size();
 }
 
+int plConvexHullNumLoops(plConvexHull hull)
+{
+  btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
+  return computer->edges.size();
+}
+
 int plConvexHullNumFaces(plConvexHull hull)
 {
   btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
@@ -55,6 +61,19 @@ void plConvexHullGetVertex(plConvexHull hull, int n, float coords[3], int *origi
   (*original_index) = computer->original_vertex_index[n];
 }
 
+void plConvexHullGetLoop(plConvexHull hull, int n, int *v_from, int *v_to)
+{
+  btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
+  (*v_from) = computer->edges[n].getSourceVertex();
+  (*v_to) = computer->edges[n].getTargetVertex();
+}
+
+int plConvexHullGetReversedLoopIndex(plConvexHull hull, int n)
+{
+  btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
+  return computer->edges[n].getReverseEdge() - &computer->edges[0];
+}
+
 int plConvexHullGetFaceSize(plConvexHull hull, int n)
 {
   btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
@@ -69,6 +88,19 @@ int plConvexHullGetFaceSize(plConvexHull hull, int n)
   return count;
 }
 
+void plConvexHullGetFaceLoops(plConvexHull hull, int n, int *loops)
+{
+  btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));
+  const btConvexHullComputer::Edge *e_orig, *e;
+  int count;
+
+  for (e_orig = &computer->edges[computer->faces[n]], e = e_orig, count = 0;
+       count == 0 || e != e_orig;
+       e = e->getNextEdgeOfFace(), count++) {
+    loops[count] = e - &computer->edges[0];
+  }
+}
+
 void plConvexHullGetFaceVertices(plConvexHull hull, int n, int *vertices)
 {
   btConvexHullComputer *computer(reinterpret_cast<btConvexHullComputer *>(hull));