Concept of soldering, tiers of power storage cells

elepower_dynamics/craftitems.lua

@@ -213,9 +213,9 @@ minetest.register_craftitem("elepower_dynamics:soc", {
 })
 
 minetest.register_craftitem("elepower_dynamics:capacitor", {
-	description = "Capacitor",
+	description = "Capacitor\nTier 1 Capacitor",
 	inventory_image = "elepower_capacitor.png",
-	groups = {capacitor = 2, component = 1}
+	groups = {capacitor = 1, component = 1}
 })
 
 -- Assembled Components

elepower_dynamics/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_dynamics/nodes.lua

@@ -51,6 +51,18 @@ minetest.register_node("elepower_dynamics:particle_board", {
 	sounds = default.node_sound_wood_defaults(),
 })
 
+minetest.register_node("elepower_dynamics:hardened_glass", {
+	description = "Hardened Obsidian Glass\nDoes not let light through",
+	drawtype = "glasslike_framed_optional",
+	tiles = {"default_obsidian_glass.png", "elepower_hard_glass_detail.png"},
+	paramtype2 = "glasslikeliquidlevel",
+	is_ground_content = false,
+	sunlight_propagates = false,
+	use_texture_alpha = true,
+	sounds = default.node_sound_glass_defaults(),
+	groups = {cracky = 3},
+})
+
 -- Blocks
 
 minetest.register_node("elepower_dynamics:viridisium_block", {

elepower_fapi/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_farming/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_machines/crafting.lua

@@ -38,6 +38,11 @@ local alloy_recipes = {
 		output = "elepower_dynamics:silicon_wafer_doped",
 		time   = 8,
 	},
+	{
+		recipe = { "default:obsidian_glass", "elepower_dynamics:lead_ingot 4" },
+		output = "elepower_dynamics:hardened_glass 4",
+		time   = 8,
+	},
 }
 
 -- Register alloy furnace recipes

elepower_machines/craftitems.lua

@@ -8,3 +8,32 @@ minetest.register_craftitem("elepower_machines:turbine_blades", {
 	description = "Turbine Blades",
 	inventory_image = "elepower_turbine.png"
 })
+
+---------------
+-- Upgrading --
+---------------
+
+-- Capacitors
+minetest.register_craftitem("elepower_machines:hardened_capacitor", {
+	description = "Hardened Capacitor\nTier 2 Capacitor",
+	groups = {capacitor = 2, ele_upgrade_component = 1},
+	inventory_image = "elepower_upgrade_hardened_capacitor.png"
+})
+
+minetest.register_craftitem("elepower_machines:reinforced_capacitor", {
+	description = "Reinforced Capacitor\nIt will probably obliterate you if you touched it while charged\nTier 3 Capacitor",
+	groups = {capacitor = 3, ele_upgrade_component = 1},
+	inventory_image = "elepower_upgrade_reinforced_capacitor.png"
+})
+
+minetest.register_craftitem("elepower_machines:resonant_capacitor", {
+	description = "Resonant Capacitor\nTier 4 Capacitor",
+	groups = {capacitor = 4, ele_upgrade_component = 1},
+	inventory_image = "elepower_upgrade_resonant_capacitor.png"
+})
+
+minetest.register_craftitem("elepower_machines:super_capacitor", {
+	description = "Supercapacitor\nAmazing energy density in a small container! Wow!\nTier 5 Capacitor",
+	groups = {capacitor = 5, ele_upgrade_component = 1},
+	inventory_image = "elepower_upgrade_supercapacitor.png"
+})

elepower_machines/init.lua

@@ -1,4 +1,4 @@
--- Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())
@@ -12,6 +12,9 @@ dofile(modpath.."/craft.lua")
 -- Machines
 dofile(modpath.."/machines/init.lua")
 
+-- Upgrading
+dofile(modpath.."/upgrading.lua")
+
 -- Other
 dofile(modpath.."/nodes.lua")
 dofile(modpath.."/craftitems.lua")

elepower_machines/machines/bases/crafter.lua

@@ -59,6 +59,134 @@ function ele.formspec.get_crafter_formspec(craft_type, power, percent, pos, stat
 		default.get_hotbar_bg(0, 4.25)
 end
 
+-- Don't duplicate function for every single crafter node
+function crafter_timer (pos, elapsed)
+	local refresh = false
+	local meta    = minetest.get_meta(pos)
+	local inv     = meta:get_inventory()
+
+	-- Specialized for universal crafter node
+	local machine_node = minetest.get_node(pos).name
+	local machine_def     = minetest.registered_nodes[machine_node]
+
+	-- If this is an active node, get the inactive version
+	if machine_def.groups['ele_active'] == 1 then
+		machine_node = machine_def.drop -- Reliable
+		machine_def = minetest.registered_nodes[machine_node]
+	end
+
+	local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
+	local usage    = ele.helpers.get_node_property(meta, pos, "usage")
+	local storage  = ele.helpers.get_node_property(meta, pos, "storage")
+	local speed    = ele.helpers.get_node_property(meta, pos, "craft_speed") or 1
+	local time     = meta:get_int("src_time")
+	local state    = meta:get_int("state")
+	local status   = "Idle"
+
+	local is_enabled = ele.helpers.state_enabled(meta, pos, state)
+	local res_time = 0
+
+	local get_formspec = machine_def.get_formspec or ele.formspec.get_crafter_formspec
+
+	local pow_buffer = {capacity = capacity, storage = storage, usage = 0}
+
+	while true do
+		if not is_enabled then
+			time = 0
+			status = "Off"
+			break
+		end
+
+		local result  = elepm.get_recipe(machine_def.craft_type, inv:get_list("src"))
+		local power_operation = false
+
+		-- Determine if there is enough power for this action
+		res_time = result.time
+		if result.time ~= 0 and pow_buffer.storage >= usage then
+			power_operation = true
+			pow_buffer.usage = usage
+		end
+
+		if result.time == 0 or not power_operation then
+			ele.helpers.swap_node(pos, machine_node)
+			
+			if result.time == 0 then
+				time = 0
+				status = "Idle"
+			else
+				status = "Out of Power!"
+			end
+
+			break
+		end
+
+		refresh = true
+		status = "Active"
+
+		-- One step
+		pow_buffer.storage = pow_buffer.storage - usage
+		time = time + ele.helpers.round(speed * 10)
+
+		if machine_def.ele_active_node then
+			local active_node = machine_node.."_active"
+			if machine_def.ele_active_node ~= true then
+				active_node = machine_def.ele_active_node
+			end
+
+			ele.helpers.swap_node(pos, active_node)
+		end
+
+		if time <= ele.helpers.round(result.time * 10) then
+			break
+		end
+
+		local output = result.output
+		if type(output) ~= "table" then output = { output } end
+		local output_stacks = {}
+		for _, o in ipairs(output) do
+			table.insert(output_stacks, ItemStack(o))
+		end
+
+		local room_for_output = true
+		inv:set_size("dst_tmp", inv:get_size("dst"))
+		inv:set_list("dst_tmp", inv:get_list("dst"))
+
+		for _, o in ipairs(output_stacks) do
+			if not inv:room_for_item("dst_tmp", o) then
+				room_for_output = false
+				break
+			end
+			inv:add_item("dst_tmp", o)
+		end
+
+		if not room_for_output then
+			ele.helpers.swap_node(pos, machine_node)
+			time = ele.helpers.round(res_time*10)
+			status = "Output Full!"
+			break
+		end
+
+		time = 0
+		inv:set_list("src", result.new_input)
+		inv:set_list("dst", inv:get_list("dst_tmp"))
+		break
+	end
+
+	local pct = 0
+	if res_time > 0 and time > 0 then
+		pct = math.floor((time / ele.helpers.round(res_time * 10)) * 100)
+	end
+
+	meta:set_string("formspec", get_formspec(machine_def.craft_type, pow_buffer, pct, pos, state))
+	meta:set_string("infotext", ("%s %s"):format(machine_def.description, status) ..
+		"\n" .. ele.capacity_text(capacity, storage))
+
+	meta:set_int("src_time", time)
+	meta:set_int("storage", pow_buffer.storage)
+
+	return refresh
+end
+
 function elepm.register_crafter(nodename, nodedef)
 	local craft_type = nodedef.craft_type
 	if not craft_type or not elepm.craft.types[craft_type] then
@@ -74,128 +202,12 @@ function elepm.register_crafter(nodename, nodedef)
 	nodedef.groups["tubedevice"]  = 1
 	nodedef.groups["tubedevice_receiver"] = 1
 
+	nodedef.on_timer = crafter_timer
+
 	-- Allow for custom formspec
 	local get_formspec = ele.formspec.get_crafter_formspec
 	if nodedef.get_formspec then
 		get_formspec = nodedef.get_formspec
-		nodedef.get_formspec = nil
-	end
-
-	nodedef.on_timer = function (pos, elapsed)
-		local refresh = false
-		local meta    = minetest.get_meta(pos)
-		local inv     = meta:get_inventory()
-
-		local machine_node  = nodename
-		local machine_speed = nodedef.craft_speed or 1
-
-		local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
-		local usage    = ele.helpers.get_node_property(meta, pos, "usage")
-		local storage  = ele.helpers.get_node_property(meta, pos, "storage")
-		local time     = meta:get_int("src_time")
-		local state    = meta:get_int("state")
-		local status   = "Idle"
-
-		local is_enabled = ele.helpers.state_enabled(meta, pos, state)
-		local res_time = 0
-
-		local pow_buffer = {capacity = capacity, storage = storage, usage = 0}
-
-		while true do
-			if not is_enabled then
-				time = 0
-				status = "Off"
-				break
-			end
-
-			local result  = elepm.get_recipe(craft_type, inv:get_list("src"))
-			local power_operation = false
-
-			-- Determine if there is enough power for this action
-			res_time = result.time
-			if result.time ~= 0 and pow_buffer.storage >= usage then
-				power_operation = true
-				pow_buffer.usage = usage
-			end
-
-			if result.time == 0 or not power_operation then
-				ele.helpers.swap_node(pos, machine_node)
-				
-				if result.time == 0 then
-					time = 0
-					status = "Idle"
-				else
-					status = "Out of Power!"
-				end
-
-				break
-			end
-
-			refresh = true
-			status = "Active"
-
-			-- One step
-			pow_buffer.storage = pow_buffer.storage - usage
-			time = time + ele.helpers.round(machine_speed * 10)
-
-			if nodedef.ele_active_node then
-				local active_node = nodename.."_active"
-				if nodedef.ele_active_node ~= true then
-					active_node = nodedef.ele_active_node
-				end
-
-				ele.helpers.swap_node(pos, active_node)
-			end
-
-			if time <= ele.helpers.round(result.time * 10) then
-				break
-			end
-
-			local output = result.output
-			if type(output) ~= "table" then output = { output } end
-			local output_stacks = {}
-			for _, o in ipairs(output) do
-				table.insert(output_stacks, ItemStack(o))
-			end
-
-			local room_for_output = true
-			inv:set_size("dst_tmp", inv:get_size("dst"))
-			inv:set_list("dst_tmp", inv:get_list("dst"))
-
-			for _, o in ipairs(output_stacks) do
-				if not inv:room_for_item("dst_tmp", o) then
-					room_for_output = false
-					break
-				end
-				inv:add_item("dst_tmp", o)
-			end
-
-			if not room_for_output then
-				ele.helpers.swap_node(pos, machine_node)
-				time = ele.helpers.round(res_time*10)
-				status = "Output Full!"
-				break
-			end
-
-			time = 0
-			inv:set_list("src", result.new_input)
-			inv:set_list("dst", inv:get_list("dst_tmp"))
-			break
-		end
-
-		local pct = 0
-		if res_time > 0 and time > 0 then
-			pct = math.floor((time / ele.helpers.round(res_time * 10)) * 100)
-		end
-
-		meta:set_string("formspec", get_formspec(craft_type, pow_buffer, pct, pos, state))
-		meta:set_string("infotext", ("%s %s"):format(nodedef.description, status) ..
-			"\n" .. ele.capacity_text(capacity, storage))
-
-		meta:set_int("src_time", time)
-		meta:set_int("storage", pow_buffer.storage)
-
-		return refresh
 	end
 
 	local sizes = elepm.craft.types[craft_type]
@@ -211,5 +223,11 @@ function elepm.register_crafter(nodename, nodedef)
 		meta:set_string("formspec", get_formspec(craft_type, pow_buffer, nil, pos))
 	end
 
+	-- Upgradable
+	nodedef.ele_upgrades = {
+		machine_chip = {"craft_speed", "usage", "inrush"},
+		capacitor    = {"capacity"},
+	}
+
 	ele.register_machine(nodename, nodedef)
 end

elepower_machines/machines/bases/fluid_generator.lua

@@ -44,7 +44,7 @@ function ele.register_fluid_generator(nodename, nodedef)
 		on_timer = function (pos, elapsed)
 			local refresh  = false
 			local meta     = minetest.get_meta(pos)
-			local nodename = nodename
+			local nodename = minetest.get_node(pos).name
 
 			local burn_time      = meta:get_int("burn_time")
 			local burn_totaltime = meta:get_int("burn_totaltime")

elepower_machines/machines/bases/generator.lua

@@ -36,7 +36,8 @@ function elepm.register_fuel_generator(nodename, nodedef)
 
 	nodedef.on_timer = function (pos, elapsed)
 		local refresh = false
-		local meta = minetest.get_meta(pos)
+		local meta     = minetest.get_meta(pos)
+		local nodename = minetest.get_node(pos).name
 
 		local burn_time      = meta:get_int("burn_time")
 		local burn_totaltime = meta:get_int("burn_totaltime")

elepower_machines/machines/grindstone.lua

@@ -156,6 +156,12 @@ minetest.register_node("elepower_machines:crank", {
 			{-0.03125, -0.5000, -0.03125, 0.03125, -0.1250, 0.03125}
 		}
 	},
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.2500, -0.5000, -0.2500, 0.2500, 0.000, 0.2500}
+		}
+	},
 	on_rightclick = function (pos, node, clicker, itemstack, pointed_thing)
 		local gpos  = vector.add(pos, {x = 0, y = -1, z = 0})
 		local gnode = minetest.get_node_or_nil(gpos)

elepower_machines/machines/storage.lua

@@ -13,3 +13,63 @@ elepm.register_storage("elepower_machines:power_cell", {
 	},
 	groups = {oddly_breakable_by_hand = 1}
 })
+
+elepm.register_storage("elepower_machines:hardened_power_cell", {
+	description = "Hardened Power Cell",
+	ele_capacity = 64000,
+	ele_inrush = 640,
+	tiles = {
+		"elepower_machine_top.png^elepower_overlay_hardened.png",
+		"elepower_machine_base.png^elepower_overlay_hardened.png",
+		"elepower_machine_side.png^elepower_overlay_hardened.png",
+		"elepower_machine_side.png^elepower_overlay_hardened.png",
+		"elepower_machine_side.png^elepower_overlay_hardened.png",
+		"elepower_power_cell.png^elepower_overlay_hardened.png",
+	},
+	groups = {oddly_breakable_by_hand = 1}
+})
+
+elepm.register_storage("elepower_machines:reinforced_power_cell", {
+	description = "Reinforced Power Cell",
+	ele_capacity = 128000,
+	ele_inrush = 1024,
+	tiles = {
+		"elepower_machine_top.png^elepower_overlay_reinforced.png",
+		"elepower_machine_base.png^elepower_overlay_reinforced.png",
+		"elepower_machine_side.png^elepower_overlay_reinforced.png",
+		"elepower_machine_side.png^elepower_overlay_reinforced.png",
+		"elepower_machine_side.png^elepower_overlay_reinforced.png",
+		"elepower_power_cell.png^elepower_overlay_reinforced.png",
+	},
+	groups = {oddly_breakable_by_hand = 1}
+})
+
+elepm.register_storage("elepower_machines:resonant_power_cell", {
+	description = "Resonant Power Cell",
+	ele_capacity = 640000,
+	ele_inrush = 2048,
+	tiles = {
+		"elepower_machine_top.png^elepower_overlay_resonant.png",
+		"elepower_machine_base.png^elepower_overlay_resonant.png",
+		"elepower_machine_side.png^elepower_overlay_resonant.png",
+		"elepower_machine_side.png^elepower_overlay_resonant.png",
+		"elepower_machine_side.png^elepower_overlay_resonant.png",
+		"elepower_power_cell.png^elepower_overlay_resonant.png",
+	},
+	groups = {oddly_breakable_by_hand = 1}
+})
+
+elepm.register_storage("elepower_machines:super_power_cell", {
+	description = "Supercapacitor Cell",
+	ele_capacity = 1280000,
+	ele_inrush = 4096,
+	tiles = {
+		"elepower_machine_top.png^elepower_overlay_super.png",
+		"elepower_machine_base.png^elepower_overlay_super.png",
+		"elepower_machine_side.png^elepower_overlay_super.png",
+		"elepower_machine_side.png^elepower_overlay_super.png",
+		"elepower_machine_side.png^elepower_overlay_super.png",
+		"elepower_power_cell.png^elepower_overlay_super.png",
+	},
+	groups = {oddly_breakable_by_hand = 1}
+})

elepower_machines/upgrading.lua

@@ -0,0 +1,59 @@
+
+local metasets = {
+	"capacity", "usage", "craft_speed", "inrush", "output"
+} 
+
+function elepm.handle_machine_upgrades (pos)
+	local meta  = minetest.get_meta(pos)
+	local comps = meta:get_string("components")
+
+	local node    = minetest.get_node(pos)
+	local nodedef = minetest.registered_nodes[node.name]
+
+	-- Deserialize component list
+	if comps ~= "" then
+		comps = minetest.deserialize(comps)
+	else
+		comps = {}
+	end
+
+	if nodedef.ele_upgrades then
+		for comp, vars in pairs(nodedef.ele_upgrades) do
+			for _,c in pairs(vars) do
+				if not comps[comp] then
+					-- If we're resetting capacity, set storage to max initial capacity
+					if c == "capacity" then
+						local abscap = nodedef.ele_capacity
+						local storage = meta:get_int("storage")
+						if storage > abscap then
+							storage = abscap
+							meta:set_int("storage", storage)
+						end
+					end
+
+					-- Set variable to zero in metadata
+					if meta:get_int(c) ~= 0 then
+						meta:set_int(c, 0)
+					end
+				elseif nodedef["ele_" .. c] ~= nil then
+					-- Set updated value in metadata
+					local default    = nodedef["ele_" .. c]
+					local ulevel     = minetest.get_item_group(comps[comp], comp) - 1
+					local multiplier = 1
+
+					-- Capacitor value is multiplied
+					if comp == "capacitor" then
+						multiplier = math.pow(10, ulevel)
+					end
+
+					meta:set_int(c, math.abs(default + (default * ulevel * multiplier)))
+				end
+			end
+		end
+	end
+
+	local t = minetest.get_node_timer(pos)
+	if not t:is_started() then
+		t:start(1.0)
+	end
+end

elepower_nuclear/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_papi/init.lua

@@ -1,4 +1,4 @@
--- Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_papi/machine.lua

@@ -96,19 +96,28 @@ ele.default.states = {
 -- Preserve power storage in the item stack dropped
 local function preserve_metadata(pos, oldnode, oldmeta, drops)
 	local meta     = minetest.get_meta(pos)
-	local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
 	local storage  = ele.helpers.get_node_property(meta, pos, "storage")
+	local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
 
-	local nodedesc  = minetest.registered_nodes[oldnode.name].description
+	local nodedesc = minetest.registered_nodes[oldnode.name].description
+	local partsstr = meta:get_string("components")
 
-	if storage == 0 then
+	if storage == 0 and partsstr == "" then
 		return drops
 	end
 
 	for i,stack in pairs(drops) do
 		local stack_meta = stack:get_meta()
 		stack_meta:set_int("storage", storage)
-		stack_meta:set_string("description", nodedesc .. "\n" .. ele.capacity_text(capacity, storage))
+
+		local desc = ele.capacity_text(capacity, storage)
+
+		if partsstr ~= "" then
+			stack_meta:set_string("components", partsstr)
+			desc = desc .. "\n" .. minetest.colorize("#9647ff", "Modified Device")
+		end
+
+		stack_meta:set_string("description", nodedesc .. "\n" .. desc)
 		drops[i] = stack
 	end
 
@@ -119,11 +128,24 @@ end
 local function retrieve_metadata(pos, placer, itemstack, pointed_thing)
 	local item_meta = itemstack:get_meta()
 	local storage   = item_meta:get_int("storage")
+	local partsstr  = item_meta:get_string("components")
 
-	if storage and storage > 0 then
+	if storage > 0 or partsstr ~= "" then
 		local meta = minetest.get_meta(pos)
+
 		meta:set_int("storage", storage)
-		minetest.get_node_timer(pos):start(1.0)
+		if partsstr ~= "" then
+			meta:set_string("components", partsstr)
+
+			if elepm then
+				elepm.handle_machine_upgrades(pos)
+			end
+		else
+			local t = minetest.get_node_timer(pos)
+			if not t:is_started() then
+				t:start(1.0)
+			end
+		end
 	end
 
 	return false
@@ -219,6 +241,17 @@ local function switch_state(pos, state_def)
 	end
 end
 
+-- Patch a table
+local function apply_patches (table, patches)
+	for k,v in pairs(patches) do
+		if table[k] and type(table[k]) == "table" then
+			apply_patches(table[k], v)
+		else
+			table[k] = v
+		end
+	end
+end
+
 -- Register a base device
 function ele.register_base_device(nodename, nodedef)
 	local tlsupp = tl and nodedef.groups and (nodedef.groups["tubedevice"] or nodedef.groups["tube"])
@@ -396,20 +429,28 @@ function ele.register_base_device(nodename, nodedef)
 
 		if nodedef.ele_active_node ~= true then
 			active_name = nodedef.ele_active_node
+
+			if i ~= 1 then
+				active_name = active_name .. "_" .. i
+			end
 		end
 
 		if nodedef.ele_active_nodedef then
-			for k,v in pairs(nodedef.ele_active_nodedef) do
-				active_nodedef[k] = v
-			end
+			apply_patches(active_nodedef, nodedef.ele_active_nodedef)
 
 			nodedef.ele_active_nodedef        = nil
 			active_nodedef.ele_active_nodedef = nil
 		end
 
+		-- Remove formspec functions from active nodedefs
+		if active_nodedef.get_formspec then
+			active_nodedef.get_formspec = nil
+		end
+
 		active_nodedef.groups["ele_active"] = 1
 		active_nodedef.groups["not_in_creative_inventory"] = 1
 		active_nodedef.drop = nodename
+
 		minetest.register_node(active_name, active_nodedef)
 	end
 

elepower_solar/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())

elepower_tools/crafting.lua

@@ -35,3 +35,13 @@ minetest.register_craft({
 		{"elepower_dynamics:motor", "elepower_dynamics:capacitor", ""},
 	}
 })
+
+-- Soldering Iron
+minetest.register_craft({
+	output = "elepower_tools:soldering_iron",
+	recipe = {
+		{"", "elepower_dynamics:battery", "default:steel_ingot"},
+		{"", "elepower_dynamics:wound_silver_coil", ""},
+		{"elepower_dynamics:wound_silver_coil", "", ""},
+	}
+})

elepower_tools/init.lua

@@ -1,4 +1,4 @@
--- A Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())
@@ -6,6 +6,12 @@ local modpath = minetest.get_modpath(minetest.get_current_modname())
 eletool = rawget(_G, "eletool") or {}
 eletool.modpath = modpath
 
+-- Simple tools
 dofile(modpath .. "/tools.lua")
+
+-- Complex tools
+dofile(modpath .. "/soldering.lua")
+
+-- Crafting
 dofile(modpath .. "/craftitems.lua")
 dofile(modpath .. "/crafting.lua")

elepower_tools/soldering.lua

@@ -0,0 +1,172 @@
+
+-- Convenience for i18n later on
+local dict = {
+	machine_chip = "Machine Chip",
+	capacitor    = "Capacitor",
+}
+
+local function upgrade_formspec (upgrades, desc)
+	local posY  = 0.5
+	local fspec = ""
+
+	for k in pairs(upgrades) do
+		fspec = fspec .. "label[1,"..(posY + 0.25)..";"..dict[k].."]"
+		fspec = fspec .. "list[detached:soldering;"..k..";7,"..posY..";1,1;]"
+		posY  = posY + 1
+	end
+
+	return "size[8,8.5]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"label[0,0;Modifying "..desc.."]"..
+		fspec..
+		"list[current_player;main;0,4.25;8,1;]"..
+		"list[current_player;main;0,5.5;8,3;8]"..
+		"listring[current_player;main]"..
+		default.get_hotbar_bg(0, 4.25)
+end
+
+local function set_component_list (pos, list)
+	local meta = minetest.get_meta(pos)
+	local len = 0
+	for _,v in pairs(list) do
+		if v ~= nil then
+			len = len + 1
+		end
+	end
+
+	if len == 0 and meta:get_string("components") ~= "" then
+		meta:set_string("components", "")
+	else
+		meta:set_string("components", minetest.serialize(list))
+	end
+
+	if elepm then
+		elepm.handle_machine_upgrades(pos)
+	end
+end
+
+local function machine_modify (pos, node, user)
+	local nodedef = minetest.registered_nodes[node.name]
+
+	if not nodedef.ele_upgrades then
+		return minetest.chat_send_player(user:get_player_name(), "This machine cannot be modified.")
+	end
+
+	local meta  = minetest.get_meta(pos)
+	local comps = meta:get_string("components")
+
+	-- Prevent the node from being dug
+	-- It is recommended to have this check in can_dig callback.
+	meta:set_int("drop_lock", 1)
+
+	-- Save the soldered machine as an attribute on the player
+	local umeta = user:get_meta()
+	umeta:set_string("soldering", minetest.pos_to_string(pos))
+
+	-- Deserialize component list
+	if comps ~= "" then
+		comps = minetest.deserialize(comps)
+	else
+		comps = {}
+	end
+
+	-- Create detached inventory for upgrades
+	local inv = minetest.create_detached_inventory("soldering", {
+		allow_move = function (inv, from_list, from_index, to_list, to_index, count, player)
+			return 0
+		end,
+
+		allow_put = function (inv, listname, index, stack, player)
+			if minetest.get_item_group(stack:get_name(), "ele_upgrade_component") == 0 or
+				minetest.get_item_group(stack:get_name(), listname) < 2 then
+				return 0
+			end
+
+			return 1
+		end,
+
+		allow_take = function (inv, listname, index, stack, player)
+			return stack:get_count()
+		end,
+
+		on_put = function (inv, listname, index, stack, player)
+			comps[listname] = stack:get_name()
+			set_component_list(pos, comps)
+		end,
+
+		on_take = function (inv, listname, index, stack, player)
+			comps[listname] = nil
+			set_component_list(pos, comps)
+		end,
+	}, user:get_player_name())
+
+	-- Add lists
+	for k in pairs(nodedef.ele_upgrades) do
+		inv:set_size(k, 1)
+
+		if comps[k] then
+			inv:set_stack(k, 1, ItemStack(comps[k]))
+		end
+	end
+
+	-- Open the formspec
+	minetest.show_formspec(user:get_player_name(), "elepower_tools:soldering_iron",
+		upgrade_formspec(nodedef.ele_upgrades, nodedef.description))
+end
+
+minetest.register_on_player_receive_fields(function (player, formname, fields)
+	if formname ~= "elepower_tools:soldering_iron" or not player then return false end
+
+	local umeta = player:get_meta()
+	local pos = umeta:get_string("soldering")
+	if not pos then return false end
+
+	pos = minetest.string_to_pos(pos)
+	local meta = minetest.get_meta(pos)
+
+	if fields["quit"] then
+		meta:set_int("drop_lock", 0)
+		umeta:set_string("soldering", "")
+	end
+
+	return true
+end)
+
+minetest.register_on_leaveplayer(function (player)
+	local umeta = player:get_meta()
+	local soldering = umeta:get_string("soldering")
+	if soldering == "" then return end
+	local pos = minetest.string_to_pos(soldering)
+	local meta = minetest.get_meta(pos)
+	if meta:get_int("drop_lock") == 1 then
+		meta:set_int("drop_lock", 0)
+	end
+	umeta:set_string("soldering", "")
+end)
+
+ele.register_tool("elepower_tools:soldering_iron", {
+	description = "Soldering Iron\nUsed to replace components in machines",
+	inventory_image = "eletools_soldering_iron.png",
+	wield_image = "eletools_soldering_iron.png^[transformR270",
+	ele_capacity = 8000,
+	ele_usage    = 64,
+	on_use = function (itemstack, user, pointed_thing)
+		if not user or user:get_player_name() == "" then return itemstack end
+		if pointed_thing and pointed_thing.type == "node" then
+			local pos = pointed_thing.under
+			local node = minetest.get_node_or_nil(pos)
+
+			if not node or node.name == "air" or minetest.is_protected(pos, user:get_player_name()) then
+				return itemstack
+			end
+
+			if ele.helpers.get_item_group(node.name, "ele_machine") then
+				machine_modify(pos, node, user)
+			end
+		end
+
+		return itemstack
+	end
+})

elepower_tools/tools.lua

@@ -1,6 +1,6 @@
 
 ele.register_tool("elepower_tools:hand_drill", {
-	description = "Hand Drill",
+	description = "Electric Hand Drill",
 	inventory_image = "eletools_hand_drill.png",
 	wield_image = "eletools_hand_drill.png^[transformFX",
 	tool_capabilities = {
@@ -15,7 +15,7 @@ ele.register_tool("elepower_tools:hand_drill", {
 })
 
 ele.register_tool("elepower_tools:chainsaw", {
-	description = "Chainsaw",
+	description = "Electric Chainsaw",
 	inventory_image = "eletools_chainsaw.png",
 	wield_image = "eletools_chainsaw.png^[transformFX",
 	ele_capacity = 8000,

elepower_wireless/init.lua

@@ -1,4 +1,4 @@
--- Elepower Mod
+-- An Elepower Mod
 -- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())