powerbanks/init.lua

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-- Translation support
local S = minetest.get_translator("powerbanks")
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local charge_time = 1
local function is_owner(pos, player)
local name = ""
if player then
name = player:get_player_name()
end
local owner = minetest.get_meta(pos):get_string("owner")
if owner == "" or owner == name or minetest.check_player_privs(name, "protection_bypass") then
return true
end
return false
end
local function is_chargeable(stack)
local item_name = stack:get_name()
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if (not technic.power_tools[item_name]) or item_name:find("powerbanks:powerbank") then
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return false
end
return true
end
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local base_formspec =
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"size[8,7.25]"..
"list[current_name;main;0,1.25;4,1;]"..
"list[current_player;main;0,3.5;8,4;]"..
"listring[current_name;main]"..
"listring[current_player;main]"..
"image[5.4,1.2;3,1;powerbanks_battery_bg.png]"..
"label[0,2.25;"..S("Charging Slots").."]"
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local function update_formspec(pos, charge, data)
local fraction = charge / data.max_charge
local red = math.min(510 - (510 * fraction), 255)
local green = math.min(510 * fraction, 255)
local color = "#"..string.format("%02X", red)..string.format("%02X", green).."00FF"
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local new_formspec = base_formspec..
"label[0,0;"..S("Powerbank Mk@1", data.mark).."]"..
"label[5.4,2.25;"..S("Power Remaining: @1", technic.pretty_num(charge)).."EU]"..
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"box[5.45,1.25;"..(fraction * 2.12)..",0.8;"..color.."]"
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minetest.get_meta(pos):set_string("formspec", new_formspec)
end
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local function update_infotext(pos, is_charging, data)
local meta = minetest.get_meta(pos)
local current_charge = technic.pretty_num(meta:get_int("charge")).."EU"
local max_charge = technic.pretty_num(data.max_charge).."EU"
local status = is_charging and S("Charging") or S("Idle")
local infotext = S("Powerbank Mk@1: @2 / @3 @4", data.mark, current_charge, max_charge, status)
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meta:set_string("infotext", infotext)
end
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local function charge_item(item, powerbank_charge, charge_step)
local item_meta = minetest.deserialize(item:get_metadata()) or {}
if not item_meta.charge then
item_meta.charge = 0
end
local item_max_charge = technic.power_tools[item:get_name()]
local item_charge = item_meta.charge
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if not item_max_charge or not item_charge then
return item, powerbank_charge, true
end
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charge_step = math.min(charge_step, item_max_charge - item_charge, powerbank_charge)
item_charge = item_charge + charge_step
powerbank_charge = powerbank_charge - charge_step
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technic.set_RE_wear(item, item_charge, item_max_charge)
item_meta.charge = item_charge
item:set_metadata(minetest.serialize(item_meta))
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return item, powerbank_charge, (item_charge == item_max_charge)
end
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local function do_charging(pos, charge_step, data)
local meta = minetest.get_meta(pos)
local current_charge = meta:get_int("charge")
local inv = meta:get_inventory()
local still_charging = false
for i = 1, inv:get_size("main") do
local stack = inv:get_stack("main", i)
local item_fully_charged
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if current_charge > 0 and not stack:is_empty()then
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stack, current_charge, item_fully_charged = charge_item(stack, current_charge, charge_step)
inv:set_stack("main", i, stack)
if not item_fully_charged then
still_charging = true
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end
end
end
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meta:set_int("charge", current_charge)
update_infotext(pos, still_charging, data)
update_formspec(pos, current_charge, data)
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return still_charging and current_charge > 0
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end
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local function create_itemstack(metadata, is_node, data)
local itemstack = ItemStack({
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name = "powerbanks:powerbank_mk"..data.mark..(is_node and "_node" or ""),
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count = 1,
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metadata = minetest.serialize({charge = metadata.charge or 0})
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})
if not is_node then
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technic.set_RE_wear(itemstack, metadata.charge or 0, data.max_charge)
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end
return itemstack
end
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local function register_powerbank(data)
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minetest.register_node("powerbanks:powerbank_mk"..data.mark.."_node", {
description = S("Powerbank Mk@1 Node", data.mark),
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tiles = {
"powerbanks_base.png", -- y+ top
"powerbanks_base.png", -- y- bottom
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png", -- x+ right
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png", -- x- left
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png", -- z+ back
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png" -- z- front
},
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groups = {not_in_creative_inventory = 1},
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is_ground_content = false,
drop = "powerbanks:powerbank_mk"..data.mark,
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diggable = false,
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can_dig = function(pos, digger)
return false
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end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
if is_owner(pos, player) then
return count
end
return 0
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
if is_owner(pos, player) and is_chargeable(stack) then
return stack:get_count()
end
return 0
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
if is_owner(pos, player) then
return stack:get_count()
end
return 0
end,
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after_place_node = function(pos, placer, itemstack, pointed_thing)
local node_meta = minetest.get_meta(pos)
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local itemstack_meta = minetest.deserialize(itemstack:get_metadata()) or {}
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if not itemstack_meta.charge then
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itemstack_meta.charge = 0 -- set default charge (in case node was obtained with /give)
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end
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node_meta:get_inventory():set_size("main", data.charging_slots)
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node_meta:set_string("owner", placer:get_player_name())
node_meta:set_int("charge", itemstack_meta.charge)
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update_infotext(pos, false, data)
update_formspec(pos, itemstack_meta.charge, data)
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minetest.sound_play({name = "default_place_node_hard"}, {pos = pos})
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end,
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on_metadata_inventory_put = function(pos, listname, index, stack, player)
local timer = minetest.get_node_timer(pos)
if not timer:is_started() then
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timer:start(charge_time) -- start charging item immediately
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end
end,
on_timer = function(pos, elapsed)
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local steps = math.floor((elapsed / charge_time) + 0.5)
return do_charging(pos, steps * data.charge_step, data)
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end,
on_punch = function(pos, node, player)
if not player then return end
local meta = minetest.get_meta(pos)
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-- check if the player is the owner
if not is_owner(pos, player) then
minetest.chat_send_player(player:get_player_name(), S("Powerbank is owned by @1", meta:get_string("owner")))
return
end
-- check if inventory is empty
local node_inv = meta:get_inventory()
if not node_inv:is_empty("main") then
minetest.chat_send_player(player:get_player_name(), S("Powerbank cannot be removed because it is not empty"))
return
end
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-- create item to give player
local item = create_itemstack({charge = meta:get_int("charge")}, false, data)
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-- give the item, or drop if inventory is full
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local player_inv = player:get_inventory()
if player_inv:room_for_item("main", item) then
player_inv:add_item("main", item)
else
minetest.add_item(pos, item)
end
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minetest.sound_play({name = "default_dug_node"}, {pos = pos})
minetest.remove_node(pos)
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end
})
minetest.register_tool("powerbanks:powerbank_mk"..data.mark, {
description = S("Powerbank Mk@1", data.mark),
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inventory_image = minetest.inventorycube(
"powerbanks_base.png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png"
),
stack_max = 1,
wear_represents = "technic_RE_charge",
on_refill = technic.refill_RE_charge,
on_place = function(itemstack, placer, pointed_thing)
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-- check for on_rightclick
if pointed_thing.type == "node" and placer and not placer:get_player_control().sneak then
local node = minetest.get_node(pointed_thing.under)
local def = minetest.registered_nodes[node.name]
if def and def.on_rightclick then
return def.on_rightclick(pointed_thing.under, node, placer, itemstack, pointed_thing) or itemstack, false
end
end
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-- create fake itemstack of node to place
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local item_meta = minetest.deserialize(itemstack:get_metadata()) or {}
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local node_itemstack = create_itemstack(item_meta, true, data)
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-- place node like player
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local new_itemstack, placed = minetest.item_place_node(node_itemstack, placer, pointed_thing)
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-- remove powerbank from inventory if placed
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if placed or new_itemstack:is_empty() then
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itemstack:clear()
end
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return itemstack, placed
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end
})
technic.register_power_tool("powerbanks:powerbank_mk"..data.mark, data.max_charge)
minetest.register_craft({
output = "powerbanks:powerbank_mk"..data.mark,
recipe = {
{"technic:battery", "technic:battery", "technic:battery"},
{"technic:stainless_steel_ingot", data.craft_base, "technic:stainless_steel_ingot"},
{"", data.craft_crystal, ""},
}
})
end
register_powerbank({ -- Powerbank Mk1
mark = 1,
max_charge = 300000,
charge_step = 3000,
charging_slots = 1,
craft_base = "technic:machine_casing",
craft_crystal = "technic:red_energy_crystal",
})
register_powerbank({ -- Powerbank Mk2
mark = 2,
max_charge = 600000,
charge_step = 6000,
charging_slots = 2,
craft_base = "powerbanks:powerbank_mk1",
craft_crystal = "technic:green_energy_crystal"
})
register_powerbank({ -- Powerbank Mk3
mark = 3,
max_charge = 1200000,
charge_step = 12000,
charging_slots = 3,
craft_base = "powerbanks:powerbank_mk2",
craft_crystal = "technic:blue_energy_crystal"
})