From 0211c582e9ce8745e19ff49496b026d393dad074 Mon Sep 17 00:00:00 2001
From: sfence <sfence.software@gmail.com>
Date: Mon, 06 Jun 2022 18:53:50 +0200
Subject: [PATCH] Add charge set/get callbacks (#600)

---
 technic/machines/register/machine_base.lua |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/technic/machines/register/machine_base.lua b/technic/machines/register/machine_base.lua
index ea3faa9..8e1dee7 100644
--- a/technic/machines/register/machine_base.lua
+++ b/technic/machines/register/machine_base.lua
@@ -38,7 +38,7 @@
 	local machine_desc = data.machine_desc
 	local tier = data.tier
 	local ltier = string.lower(tier)
-	
+
 	data.modname = data.modname or minetest.get_current_modname()
 
 	local groups = {cracky = 2, technic_machine = 1, ["technic_"..ltier] = 1}
@@ -209,9 +209,10 @@
 		after_place_node = data.tube and pipeworks.after_place,
 		after_dig_node = technic.machine_after_dig_node,
 		on_receive_fields = function(pos, formname, fields, sender)
-			local node = minetest.get_node(pos)
+			if fields.quit then return end
 			if not pipeworks.may_configure(pos, sender) then return end
 			fs_helpers.on_receive_fields(pos, fields)
+			local node = minetest.get_node(pos)
 			local meta = minetest.get_meta(pos)
 			local form_buttons = ""
 			if not string.find(node.name, ":lv_") then
@@ -253,9 +254,10 @@
 		technic_run = run,
 		technic_disabled_machine_name = data.modname..":"..ltier.."_"..machine_name,
 		on_receive_fields = function(pos, formname, fields, sender)
-			local node = minetest.get_node(pos)
+			if fields.quit then return end
 			if not pipeworks.may_configure(pos, sender) then return end
 			fs_helpers.on_receive_fields(pos, fields)
+			local node = minetest.get_node(pos)
 			local meta = minetest.get_meta(pos)
 			local form_buttons = ""
 			if not string.find(node.name, ":lv_") then

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