From cdafb81167f19e78b3e210c5948b0076411311ba Mon Sep 17 00:00:00 2001
From: upsilon <plangrognet@laposte.net>
Date: Thu, 5 Jan 2017 20:39:41 +0100
Subject: [PATCH] Fix a potential usebug Avoid a player to crash the server by
 disconnecting after throwing the arrow and before it hits.

---
 init.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/init.lua b/init.lua
index 9adc447..7ddac54 100644
--- a/init.lua
+++ b/init.lua
@@ -49,7 +49,11 @@ local function arrow_step(self, dtime)
 			return
 		end
 
-		self.on_hit(pos, self.last_pos, node, obj, minetest.get_player_by_name(self.player))
+		local player = minetest.get_player_by_name(self.player)
+		if not player then -- Possible if the player disconnected
+			return
+		end
+		self.on_hit(pos, self.last_pos, node, obj, player)
 		if self.on_hit_sound then
 			minetest.sound_play(self.on_hit_sound, {pos = pos, gain = 0.8})
 		end