From 095085cc3818eef3d1a68c74a16a6e246123e830 Mon Sep 17 00:00:00 2001
From: Wuzzy <Wuzzy2@mail.ru>
Date: Tue, 7 Apr 2020 14:54:15 +0200
Subject: [PATCH] Add nil check in mobs (tmpyaw)

---
 mods/mobs/api.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mods/mobs/api.lua b/mods/mobs/api.lua
index 915e7df..e65266d 100644
--- a/mods/mobs/api.lua
+++ b/mods/mobs/api.lua
@@ -290,6 +290,9 @@ function mobs:register_mob(name, def)
             end
 
             local tmpyaw = self.object:get_yaw()
+            if not tmpyaw then
+               return
+            end
             local yaw = self.rotate
 
             if tmpyaw ~= tmpyaw then -- It's a NaN value