From bfb0b3f07073149cd7a7499a1ee3fe9d82ae7975 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Wed, 15 May 2019 17:42:57 +0200
Subject: [PATCH] quicker editing of 3d models

---
 mapeditor.cpp | 2 +-
 polygons.cpp  | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/mapeditor.cpp b/mapeditor.cpp
index 8de1363f..fcf1f2d0 100644
--- a/mapeditor.cpp
+++ b/mapeditor.cpp
@@ -1956,7 +1956,7 @@ namespace mapeditor {
       }
 
     if(rebuildPolys)
-      buildpolys(), rebuildPolys = false;
+      add_user_shapes(), rebuildPolys = false;
     }
 #endif    
 
diff --git a/polygons.cpp b/polygons.cpp
index 9342b6ae..af07d790 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -1814,6 +1814,7 @@ hyperpoint turtlevertex(int u, double x, double y, double z) {
 vector<hpcshape*> allshapes;
 
 void finishshape() {
+  if(!last) return;
   last->e = isize(hpc);
   double area = 0;
   for(int i=last->s; i<last->e-1; i++)
@@ -3189,8 +3190,14 @@ void buildpolys() {
   #endif
   
   bshapeend();
-
+  extern void add_user_shapes();
   prehpc = isize(hpc);
+  add_user_shapes();
+  }
+
+void add_user_shapes() {
+  hpc.resize(prehpc);
+  last = NULL;
   DEBB(DF_POLY, ("hpc = ", prehpc));
 
   user_triangles_texture.tvertices.clear();