From 0e957733e7fd88092c644420ed5ff87587cbbf80 Mon Sep 17 00:00:00 2001
From: Joachim Stolberg <joe.stolberg@gmx.de>
Date: Fri, 9 Jun 2023 14:16:09 +0200
Subject: [PATCH] Allow to disable the LBM due to needed computing time

---
 robot.lua | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/robot.lua b/robot.lua
index 72ef3a2..dfb4561 100644
--- a/robot.lua
+++ b/robot.lua
@@ -3,7 +3,7 @@
 	Signs Bot
 	=========
 
-	Copyright (C) 2019-2021 Joachim Stolberg
+	Copyright (C) 2019-2023 Joachim Stolberg
 
 	GPL v3
 	See LICENSE.txt for more information
@@ -13,6 +13,7 @@
 ]]--
 
 local lib = signs_bot.lib
+local enable_LBM = minetest.settings:get_bool("signs_bot_enable_LBM") == true
 
 -- Called when robot is started
 function signs_bot.place_robot(pos1, pos2, param2)
@@ -122,21 +123,23 @@ minetest.register_node("signs_bot:robot_foot", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-minetest.register_lbm({
-	label = "[signs_bot] Remove lost robots",
-	name = "signs_bot:lost_robot_remove",
-	nodenames = {"signs_bot:robot"},
-	run_at_every_load = true,
-	action = function(pos, node)
-		local found = false
-		tubelib2.walk_over_all(function(npos, node, mem)
-			if node.name == "signs_bot:box" and mem.robot_pos and
-				vector.equals(pos, mem.robot_pos) then
-				found = true
+if enable_LBM then
+	minetest.register_lbm({
+		label = "[signs_bot] Remove lost robots",
+		name = "signs_bot:lost_robot_remove",
+		nodenames = {"signs_bot:robot"},
+		run_at_every_load = true,
+		action = function(pos, node)
+			local found = false
+			tubelib2.walk_over_all(function(npos, node, mem)
+				if node.name == "signs_bot:box" and mem.robot_pos and
+					vector.equals(pos, mem.robot_pos) then
+					found = true
+				end
+			end, "robot_pos")
+			if not found then
+				signs_bot.remove_robot({robot_pos = pos})
 			end
-		end, "robot_pos")
-		if not found then
-			signs_bot.remove_robot({robot_pos = pos})
 		end
-	end
-})
+	})
+end