Implement BatPack and LapPack

When equipped they can charge currently wielded tool or item with power storage.

init.lua

@@ -52,6 +52,7 @@ dofile(modpath.."/machines/solar_panel_generator.lua")
 dofile(modpath.."/machines/wind_mill.lua")
 
 dofile(modpath.."/tools/common.lua")
+dofile(modpath.."/tools/batpack.lua")
 dofile(modpath.."/tools/electric_chainsaw.lua")
 dofile(modpath.."/tools/electric_drill.lua")
 dofile(modpath.."/tools/electric_hoe.lua")

tools/batpack.lua

@@ -0,0 +1,138 @@
+-- IndustrialTest
+-- Copyright (C) 2024 mrkubax10
+
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+local S=minetest.get_translator("industrialtest")
+
+local updateDelta=0
+
+local function registerBatpack(config)
+	if industrialtest.mtgAvailable then
+		armor:register_armor("industrialtest:"..config.name,{
+			description=config.displayName,
+			inventory_image="industrialtest_"..config.name.."_inv.png",
+			groups={
+				armor_torso=1,
+				armor_heal=0,
+				_industrialtest_batpack=1
+			},
+			_industrialtest_powerStorage=true,
+			_industrialtest_powerCapacity=config.powerCapacity,
+			_industrialtest_powerFlow=config.powerFlow
+		})
+	elseif industrialtest.mclAvailable then
+		minetest.register_tool("industrialtest:"..config.name,{
+			description=config.displayName,
+			inventory_image="industrialtest_"..config.name.."_inv.png",
+			groups={
+				armor=1,
+				non_combat_armor=1,
+				armor_torso=1,
+				non_combat_torso=1,
+				_industrialtest_batpack=1
+			},
+			sounds={
+				_mcl_armor_equip="mcl_armor_equip_iron",
+				_mcl_armor_unequip="mcl_armor_unequip_iron"
+			},
+			on_place=mcl_armor.equip_on_use,
+			on_secondary_use=mcl_armor.equip_on_use,
+			_mcl_armor_element="torso",
+			_mcl_armor_texture="industrialtest_"..config.name..".png",
+			_industrialtest_powerStorage=true,
+			_industrialtest_powerCapacity=config.powerCapacity,
+			_industrialtest_powerFlow=config.powerFlow
+		})
+	end
+end
+
+local function onGlobalStep(player,inv,stack,index,def)
+	if not def.groups or not def.groups._industrialtest_batpack then
+		return false
+	end
+	local wielded=player:get_wielded_item()
+	local wieldedMeta=wielded:get_meta()
+	if not industrialtest.api.hasPowerStorage(wieldedMeta) or wieldedMeta:get_int("industrialtest.powerFlow")>def._industrialtest_powerFlow then
+		return true
+	end
+	if industrialtest.api.transferPowerFromItem(stack,wieldedMeta,def._industrialtest_powerFlow)>0 then
+		industrialtest.api.updateItemPowerText(wielded)
+		player:set_wielded_item(wielded)
+		inv:set_stack("armor",index,stack)
+	end
+	return true
+end
+
+registerBatpack({
+	name="batpack_v",
+	displayName=S("BatPack"),
+	powerCapacity=60000,
+	powerFlow=industrialtest.api.lvPowerFlow
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:batpack_v",
+	recipe={
+		{"industrialtest:re_battery","industrialtest:electronic_circuit","industrialtest:re_battery"},
+		{"industrialtest:re_battery",industrialtest.elementKeys.tinIngot,"industrialtest:re_battery"},
+		{"industrialtest:re_battery","","industrialtest:re_battery"}
+	}
+})
+
+registerBatpack({
+	name="lappack_v",
+	displayName=S("LapPack"),
+	powerCapacity=300000,
+	powerFlow=industrialtest.api.hvPowerFlow
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:lappack_v",
+	recipe={
+		{industrialtest.elementKeys.powerCarrier,"industrialtest:electronic_circuit",industrialtest.elementKeys.powerCarrier},
+		{industrialtest.elementKeys.powerCarrier,"industrialtest:batpack_v",industrialtest.elementKeys.powerCarrier},
+		{industrialtest.elementKeys.powerCarrier,"",industrialtest.elementKeys.powerCarrier}
+	}
+})
+
+minetest.register_globalstep(function(dtime)
+	updateDelta=updateDelta+dtime
+	if updateDelta<industrialtest.updateDelay then
+		return
+	end
+	updateDelta=0
+	local players=minetest.get_connected_players()
+	for _,player in ipairs(players) do
+		if industrialtest.mtgAvailable then
+			local _,inv=armor:get_valid_player(player,"")
+			if inv then
+				local armorList=inv:get_list("armor")
+				assert(armorList)
+				for i=1,#armorList do
+					local stack=armorList[i]
+					local def=stack:get_definition()
+					if onGlobalStep(player,inv,stack,i,def) then
+						break
+					end
+				end
+			end
+		elseif industrialtest.mclAvailable then
+			local inv=player:get_inventory()
+			local stack=inv:get_stack("armor",3)
+			local def=stack:get_definition()
+			onGlobalStep(player,inv,stack,3,def)
+		end
+	end
+end)