Implement Jetpack

api.lua

@@ -113,12 +113,18 @@ end
 -- \returns true if value was successfully added, false otherwise
 industrialtest.api.prepareToolItem=function(itemstack)
 	local def=minetest.registered_tools[itemstack:get_name()]
-	if not def or not def._industrialtest_tool or not def.tool_capabilities or not def.tool_capabilities.uses then
+	if not def then
 		return false
 	end
+	if def._industrialtest_tool and def.tool_capabilities and def.tool_capabilities.uses then
 		local meta=itemstack:get_meta()
 		meta:set_int("industrialtest.uses",def.tool_capabilities.uses)
 		return true
+	elseif def.groups and def.groups._industrialtest_emptyOnConstruct and itemstack:get_wear()==0 then
+		itemstack:set_wear(65534)
+		return true
+	end
+	return false
 end
 -- \brief Adds wear to item after it's use
 -- \param itemstack ItemStack to which wear should be added

craftitems.lua

@@ -445,6 +445,13 @@ industrialtest.api.registerPlate("carbon_plate",S("Carbon Plate"),{
 	}
 },"#272725ff",true)
 
+industrialtest.api.registerPlate("tin_plate",S("Tin Plate"),{
+	{
+		resource=industrialtest.elementKeys.tinIngot,
+		count=1
+	}
+},"#e0e0e0ff",true)
+
 -- Cells
 minetest.register_craftitem("industrialtest:empty_cell",{
 	description=S("Empty Cell"),
@@ -678,6 +685,24 @@ industrialtest.api.registerCompressorRecipe({
 	time=5
 })
 
+minetest.register_tool("industrialtest:fuel_can",{
+	description=S("Fuel Can"),
+	inventory_image="industrialtest_fuel_can.png",
+	groups={
+		_industrialtest_fueled=1,
+		_industrialtest_emptyOnConstruct=1
+	}
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:fuel_can",
+	recipe={
+		{"","industrialtest:tin_plate","industrialtest:tin_plate"},
+		{"industrialtest:tin_plate","","industrialtest:tin_plate"},
+		{"industrialtest:tin_plate","industrialtest:tin_plate","industrialtest:tin_plate"}
+	}
+})
+
 -- Item callbacks
 minetest.register_on_player_inventory_action(function(player,action,inventory,info)
 	if action=="put" then

init.lua

@@ -55,6 +55,7 @@ dofile(modpath.."/tools/electric_chainsaw.lua")
 dofile(modpath.."/tools/electric_drill.lua")
 dofile(modpath.."/tools/electric_hoe.lua")
 dofile(modpath.."/tools/electric_saber.lua")
+dofile(modpath.."/tools/jetpack.lua")
 dofile(modpath.."/tools/treetap.lua")
 dofile(modpath.."/tools/wrench.lua")
 

tools/jetpack.lua

@@ -0,0 +1,142 @@
+-- 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 jetpack={}
+
+local function registerJetpack(config)
+	if industrialtest.mclAvailable then
+		local groups={
+			armor=1,
+			non_combat_armor=1,
+			armor_torso=1,
+			non_combat_torso=1,
+			_industrialtest_jetpack=1
+		}
+		for key,value in pairs(config.groups) do
+			groups[key]=value
+		end
+		minetest.register_tool("industrialtest:"..config.name,{
+			description=config.displayName,
+			inventory_image="industrialtest_"..config.name.."_inv.png",
+			groups=groups,
+			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_tryFly=config.tryFly
+		})
+	elseif industrialtest.mtgAvailable then
+		local groups={
+			armor_torso=1,
+			armor_heal=0,
+			_industrialtest_jetpack=1
+		}
+		for key,value in pairs(config.groups) do
+			groups[key]=value
+		end
+		armor:register_armor("industrialtest:"..config.name, {
+			description=config.displayName,
+			inventory_image="industrialtest_"..config.name.."_inv.png",
+			groups=groups,
+			_industrialtest_tryFly=config.tryFly
+		})
+	end
+end
+
+local function addYVelocityClamped(player,vel,max)
+	local playerVel=player:get_velocity()
+	if playerVel.y+vel>max then
+		player:add_velocity(vector.new(0,math.max(max-playerVel.y,0),0))
+	else
+		player:add_velocity(vector.new(0,vel,0))
+	end
+end
+
+local function onGlobalStep(player,inv,itemstack,index,def)
+	if def.groups and def.groups._industrialtest_jetpack then
+		local result=def._industrialtest_tryFly(player,itemstack)
+		if result then
+			addYVelocityClamped(player,1,10)
+			inv:set_stack("armor",index,result)
+		end
+		return true
+	end
+	return false
+end
+
+jetpack.tryFly=function(player,itemstack)
+	if itemstack:get_wear()>=65533 then
+		return false
+	end
+	itemstack:set_wear(itemstack:get_wear()+2)
+	minetest.debug(itemstack:get_wear())
+	return itemstack
+end
+
+-- _v is hack to suppress "Registered armor doesn't have material at the end of registration name" warning from 3D Armor.
+registerJetpack({
+	name="jetpack_v",
+	displayName=S("Jetpack"),
+	groups={
+		_industrialtest_fueled=1,
+		_industrialtest_emptyOnConstruct=1
+	},
+	tryFly=jetpack.tryFly
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:jetpack_v",
+	recipe={
+		{"industrialtest:refined_iron_ingot","industrialtest:electronic_circuit","industrialtest:refined_iron_ingot"},
+		{"industrialtest:refined_iron_ingot","industrialtest:fuel_can","industrialtest:refined_iron_ingot"},
+		{industrialtest.elementKeys.powerCarrier,"",industrialtest.elementKeys.powerCarrier}
+	}
+})
+
+minetest.register_globalstep(function(dtime)
+	-- FIXME: Maybe this can be optimized?
+	local players=minetest.get_connected_players()
+	for _,player in ipairs(players) do
+		local control=player:get_player_control()
+		if control.jump then
+			if 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)
+			elseif 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
+			end
+		end
+	end
+end)