From 2c04cf510a0d30e103252aa35f89f653eeba28ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tam=C3=A1s=20B=C3=A1lint=20Misius?= <lbphacker@gmail.com>
Date: Sat, 1 Jul 2023 16:12:54 +0200
Subject: [PATCH] Fix sim.neighbours yielding the center particle

The wiki says it shouldn't. Broken in 6a6b14f87194.
---
 src/lua/LuaScriptInterface.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lua/LuaScriptInterface.cpp b/src/lua/LuaScriptInterface.cpp
index c197d5f2f..10b6c0f25 100644
--- a/src/lua/LuaScriptInterface.cpp
+++ b/src/lua/LuaScriptInterface.cpp
@@ -2345,6 +2345,10 @@ static int NeighboursClosure(lua_State *l)
 				r = 0;
 			}
 		}
+		if (cx == px && cy == py)
+		{
+			r = 0;
+		}
 		if (r)
 		{
 			lua_pushnumber(l, x);