From 9221a532f9fcc47dff90dbd35187c1ce263c9daa Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 16 May 2019 16:58:35 +0200
Subject: [PATCH] guard against double-finishshape

---
 3d-models.cpp | 2 +-
 polygons.cpp  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/3d-models.cpp b/3d-models.cpp
index 76a6af02..6db635de 100644
--- a/3d-models.cpp
+++ b/3d-models.cpp
@@ -1088,8 +1088,8 @@ void make_3d_models() {
     }
   last->flags |= POLY_TRIANGLES;
   add_texture(*last);
-  finishshape();
   if(WDIM == 2) shift_last_straight(geom3::FLOOR);
+  finishshape();
   shJelly = shSlime;
   
   shift_shape(shMagicSword, geom3::ABODY);
diff --git a/polygons.cpp b/polygons.cpp
index cb4b7e3b..e1f5d309 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -1882,6 +1882,7 @@ void finishshape() {
   if(allminus || allplus) last->flags |= POLY_VCONVEX;
   
   allshapes.push_back(last);
+  last = NULL;
 
   /* if(isnan(area)) ;
   else if(intval(hpc[last->s], hpc[last->e-1]) > 1e-6)