From 705961e2fe23678753de81b3034df946edc9ab9d Mon Sep 17 00:00:00 2001
From: SmallJoker <mk939@ymail.com>
Date: Tue, 01 Nov 2022 20:27:26 +0100
Subject: [PATCH] Supply converter: Charge batteries again

---
 technic/machines/HV/forcefield.lua |   24 +++++++++++++-----------
 1 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/technic/machines/HV/forcefield.lua b/technic/machines/HV/forcefield.lua
index 230c8b0..5b8ff4f 100644
--- a/technic/machines/HV/forcefield.lua
+++ b/technic/machines/HV/forcefield.lua
@@ -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)
@@ -117,15 +112,24 @@
 	else
 		formspec = formspec.."button[0,1;5,1;mesecon_mode_0;"..S("Controlled by Mesecon Signal").."]"
 	end
+	-- TODO: String replacement with %s will stop working with client-side translations
 	if meta:get_int("enabled") == 0 then
-		formspec = formspec.."button[0,1.75;5,1;enable;"..S("%s Disabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
+		formspec = formspec.."button[0,1.75;5,1;enable;"..
+			S("%s Disabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
 	else
-		formspec = formspec.."button[0,1.75;5,1;disable;"..S("%s Enabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
+		formspec = formspec.."button[0,1.75;5,1;disable;"..
+			S("%s Enabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
 	end
 	meta:set_string("formspec", formspec)
 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 +277,11 @@
 			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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