From e61930c0b13c50479da6398e2b3f1366a203adc5 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 3 Jun 2019 22:25:17 +0200
Subject: [PATCH] clearing unused TriheptaSpecial shapes to fix a crash on iOS

---
 hyper.h      | 1 +
 polygons.cpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/hyper.h b/hyper.h
index 7135ff6c..746784fd 100644
--- a/hyper.h
+++ b/hyper.h
@@ -4080,6 +4080,7 @@ struct hpcshape {
   basic_textureinfo *tinf;
   int texture_offset;
   int shs, she;
+  void clear() { s = e = shs = she = texture_offset = 0; prio = PPR::ZERO; tinf = NULL; flags = 0; }
   };
 
 extern vector<hpcshape> shPlainWall3D, shWireframe3D, shWall3D, shMiniWall3D;
diff --git a/polygons.cpp b/polygons.cpp
index 32b290a3..d1df0488 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -1067,7 +1067,7 @@ void geometry_information::prepare_shapes() {
 
   bshape(shAsymmetric, PPR::TEXT, scalefactor, 374);
 
-  for(auto& sh: shTriheptaSpecial) sh.s = sh.e = 0;
+  for(auto& sh: shTriheptaSpecial) sh.clear();
 
   bshape(shTriheptaSpecial[2], PPR::FLOOR,  scalefactor, 32);
   bshape(shTriheptaSpecial[3], PPR::FLOOR,  scalefactor, 33);