From ed9f4483988a2c14be40124b1067a6252faa2775 Mon Sep 17 00:00:00 2001
From: Jonathan Westhues <jwesthues@cq.cx>
Date: Sun, 15 Mar 2009 21:11:06 -0800
Subject: [PATCH] Oops, need to remap plane face entities when stepping and
 repeating shells.

[git-p4: depot-paths = "//depot/solvespace/": change = 1930]
---
 groupmesh.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/groupmesh.cpp b/groupmesh.cpp
index 440ad80c..e2518bf3 100644
--- a/groupmesh.cpp
+++ b/groupmesh.cpp
@@ -88,6 +88,16 @@ void Group::GenerateShellForStepAndRepeat(void) {
                 trans.Minus(q.Rotate(trans)), q);
         }
 
+        // We need to rewrite any plane face entities to the transformed ones.
+        SSurface *ss;
+        for(ss = transd.surface.First(); ss; ss = transd.surface.NextAfter(ss)){
+            hEntity face = { ss->face };
+            if(face.v == Entity::NO_ENTITY.v) continue;
+
+            face = Remap(face, remap);
+            ss->face = face.v;
+        }
+
         if(src->meshCombine == COMBINE_AS_DIFFERENCE) {
             scratch->MakeFromDifferenceOf(soFar, &transd);
         } else {