From 9d51b7727753dcbce42cbd9f2eb36b090468b95e Mon Sep 17 00:00:00 2001
From: SX <50966843+S-S-X@users.noreply.github.com>
Date: Thu, 20 Feb 2025 20:40:31 +0200
Subject: [PATCH] Restore technic.charge_tools for compatibility

---
 technic/machines/compat/tools.lua | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/technic/machines/compat/tools.lua b/technic/machines/compat/tools.lua
index a5d719bd..701497b1 100644
--- a/technic/machines/compat/tools.lua
+++ b/technic/machines/compat/tools.lua
@@ -118,3 +118,22 @@ function technic.set_RE_wear(stack, charge)
 	minetest.log("warning", "Use of deprecated function technic.set_RE_wear with stack: "..stack:get_name())
 	compat_set_RE_wear(stack, charge)
 end
+
+-- Old utility function to recharge tools
+local function charge_tools(meta, batt_charge, charge_step)
+	local src_stack = meta:get_inventory():get_stack("src", 1)
+	local def = src_stack:get_definition()
+	if not def or not def.technic_max_charge or src_stack:is_empty() then
+		return batt_charge, false
+	end
+	local new_charge = math.min(def.technic_max_charge, def.technic_get_charge(src_stack) + charge_step)
+	def.technic_set_charge(src_stack, new_charge)
+	meta:get_inventory():set_stack("src", 1, src_stack)
+	return batt_charge, (def.technic_max_charge == new_charge)
+end
+
+function technic.charge_tools(...)
+	minetest.log("warning", "Use of deprecated function technic.charge_tools")
+	technic.charge_tools = charge_tools
+	return charge_tools(...)
+end