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 name = stack:get_name()
if not technic.power_tools[name] or 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[context;main;0,1.25;4,1;]"..
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"list[current_player;main;0,3.5;8,4;]"..
"listring[context;main]"..
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"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%02X00FF", red, green)
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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 set_charge(stack, charge)
local meta = stack:get_meta()
local metadata = minetest.deserialize(meta:get_string("")) or {}
metadata.charge = charge
meta:set_string("", minetest.serialize(metadata))
technic.set_RE_wear(stack, charge, technic.power_tools[stack:get_name()])
end
local function get_charge(stack)
local meta = stack:get_meta()
local metadata = minetest.deserialize(meta:get_string("")) or {}
return metadata.charge or 0
end
if technic.plus then
set_charge = technic.set_RE_charge
get_charge = technic.get_RE_charge
end
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local function charge_item(stack, powerbank_charge, charge_step)
if not is_chargeable(stack) then
return powerbank_charge, true
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end
local item_max_charge = technic.power_tools[stack:get_name()]
local item_charge = get_charge(stack)
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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
set_charge(stack, item_charge)
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return powerbank_charge, (item_charge == item_max_charge)
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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
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local stack = inv:get_stack("main", i)
local item_fully_charged
if current_charge > 0 and not stack:is_empty() then
current_charge, item_fully_charged = charge_item(stack, current_charge, charge_step)
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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_formspec(pos, current_charge, data)
update_infotext(pos, still_charging, data)
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return still_charging and current_charge > 0
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end
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local function register_powerbank(data)
local node_def = {
description = S("Powerbank Mk@1 Node", data.mark),
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tiles = {
"powerbanks_base.png",
"powerbanks_base.png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png",
"powerbanks_base.png^powerbanks_overlay_mk"..data.mark..".png"
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},
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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,
after_place_node = function(pos, player, stack, pointed)
local meta = minetest.get_meta(pos)
local charge = stack:get_meta():get_int("charge")
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meta:get_inventory():set_size("main", data.charging_slots)
meta:set_string("owner", player:get_player_name())
meta:set_int("charge", charge)
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update_formspec(pos, charge, data)
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update_infotext(pos, false, 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
timer:start(charge_time) -- Start charging item
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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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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
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 stack = ItemStack("powerbanks:powerbank_mk"..data.mark)
set_charge(stack, meta:get_int("charge"))
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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", stack) then
player_inv:add_item("main", stack)
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else
minetest.add_item(pos, stack)
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end
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minetest.sound_play({name = "default_dug_node"}, {pos = pos})
minetest.remove_node(pos)
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end
}
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local tool_def = {
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"
),
max_charge = data.max_charge,
on_place = function(stack, player, pointed)
-- Check for on_rightclick if player is not holding sneak
if pointed.type == "node" and player and not player:get_player_control().sneak then
local node = minetest.get_node(pointed.under)
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local def = minetest.registered_nodes[node.name]
if def and def.on_rightclick then
return def.on_rightclick(pointed.under, node, player, stack, pointed) or stack, false
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end
end
-- Create fake node itemstack and place like player
local node_stack = ItemStack("powerbanks:powerbank_mk"..data.mark.."_node")
node_stack:get_meta():set_int("charge", get_charge(stack))
local new_stack, placed = minetest.item_place_node(node_stack, player, pointed)
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if placed or new_stack:is_empty() then
stack:clear()
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end
return stack, placed
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end
}
minetest.register_node("powerbanks:powerbank_mk"..data.mark.."_node", node_def)
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if technic.plus then
technic.register_power_tool("powerbanks:powerbank_mk"..data.mark, tool_def)
else
tool_def.wear_represents = "technic_RE_charge"
tool_def.on_refill = technic.refill_RE_charge
minetest.register_tool("powerbanks:powerbank_mk"..data.mark, tool_def)
technic.register_power_tool("powerbanks:powerbank_mk"..data.mark, data.max_charge)
end
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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
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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
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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
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mark = 3,
max_charge = 1200000,
charge_step = 12000,
charging_slots = 3,
craft_base = "powerbanks:powerbank_mk2",
craft_crystal = "technic:blue_energy_crystal"
})