From bb05ff8fd210fc9fac0b521f15e755380e6916d3 Mon Sep 17 00:00:00 2001
From: coil <51716565+coil0@users.noreply.github.com>
Date: Sun, 21 Jul 2019 12:40:57 +0200
Subject: [PATCH] Reject constructor in constructor slot inventories (#505)

---
 technic/machines/HV/forcefield.lua |   19 +++++++++----------
 1 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/technic/machines/HV/forcefield.lua b/technic/machines/HV/forcefield.lua
index 157dc33..29c023d 100644
--- a/technic/machines/HV/forcefield.lua
+++ b/technic/machines/HV/forcefield.lua
@@ -17,7 +17,7 @@
 minetest.register_craft({
 	output = "technic:forcefield_emitter_off",
 	recipe = {
-		{"default:mese",         "technic:motor",          "default:mese"        },
+		{"default:mese",         "basic_materials:motor",          "default:mese"        },
 		{"technic:deployer_off", "technic:machine_casing", "technic:deployer_off"},
 		{"default:mese",         "technic:hv_cable",       "default:mese"        },
 	}
@@ -42,7 +42,7 @@
 --  |          |
 --   \___/\___/
 
-local function update_forcefield(pos, meta, active, first)
+local function update_forcefield(pos, meta, active)
 	local shape = meta:get_int("shape")
 	local range = meta:get_int("range")
 	local vm = VoxelManip()
@@ -86,11 +86,6 @@
 	vm:set_data(data)
 	vm:update_liquids()
 	vm:write_to_map()
-	-- update_map is very slow, but if we don't call it we'll
-	-- get phantom blocks on the client.
-	if not active or first then
-		vm:update_map()
-	end
 end
 
 local function set_forcefield_formspec(meta)
@@ -126,6 +121,12 @@
 end
 
 local forcefield_receive_fields = function(pos, formname, fields, sender)
+	local player_name = sender:get_player_name()
+	if minetest.is_protected(pos, player_name) then
+		minetest.chat_send_player(player_name, "You are not allowed to edit this!")
+		minetest.record_protection_violation(pos, player_name)
+		return
+	end
 	local meta = minetest.get_meta(pos)
 	local range = nil
 	if fields.range then
@@ -273,13 +274,11 @@
 			technic.swap_node(pos, "technic:forcefield_emitter_off")
 		end
 	elseif eu_input >= power_requirement then
-		local first = false
 		if node.name == "technic:forcefield_emitter_off" then
-			first = true
 			technic.swap_node(pos, "technic:forcefield_emitter_on")
 			meta:set_string("infotext", S("%s Active"):format(machine_name))
 		end
-		update_forcefield(pos, meta, true, first)
+		update_forcefield(pos, meta, true)
 	end
 end
 

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