Prevent crash if some mod inadvertently allowed doors to rotate

diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index 2685357ad51736e78a91448489c231ebfe2db1d9..789bbb0c659f2b327d8a128baaea4ef4de6a45eb 100644 (file)
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -162,6 +162,14 @@ function _doors.door_toggle(pos, node, clicker)
        end
 
        local dir = node.param2
+
+       -- It's possible param2 is messed up, so, validate before using
+       -- the input data. This indicates something may have rotated
+       -- the door, even though that is not supported.
+       if not transform[state + 1] or not transform[state + 1][dir + 1] then
+               return false
+       end
+
        if state % 2 == 0 then
                minetest.sound_play(def.door.sounds[1],
                        {pos = pos, gain = 0.3, max_hear_distance = 10})