technic/technic/machines/register/battery_box.lua
2013-11-26 16:53:52 -05:00

208 lines
7.1 KiB
Lua

local S = technic.getter
function technic.register_battery_box(data)
local tier = data.tier
local ltier = string.lower(tier)
local formspec =
"invsize[8,9;]"..
"image[1,1;1,2;technic_power_meter_bg.png]"..
"list[current_name;src;3,1;1,1;]"..
"image[4,1;1,1;technic_battery_reload.png]"..
"list[current_name;dst;5,1;1,1;]"..
"label[0,0;"..S("%s Battery Box"):format(tier).."]"..
"label[3,0;"..S("Charge").."]"..
"label[5,0;"..S("Discharge").."]"..
"label[1,3;"..S("Power level").."]"..
"list[current_player;main;0,5;8,4;]"
for i = 0, 8 do
local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
if i ~= 0 then
groups.not_in_creative_inventory = 1
end
minetest.register_node("technic:"..ltier.."_battery_box"..i, {
description = S("%s Battery Box"):format(tier),
tiles = {"technic_"..ltier.."_battery_box_top.png",
"technic_"..ltier.."_battery_box_bottom.png",
"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
groups = groups,
sounds = default.node_sound_wood_defaults(),
drop = "technic:"..ltier.."_battery_box0",
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local node = minetest.get_node(pos)
meta:set_string("infotext", S("%s Battery Box"):format(tier))
meta:set_string("formspec", formspec)
meta:set_int(tier.."_EU_demand", 0)
meta:set_int(tier.."_EU_supply", 0)
meta:set_int(tier.."_EU_input", 0)
meta:set_float("internal_EU_charge", 0)
inv:set_size("src", 1)
inv:set_size("dst", 1)
end,
can_dig = function(pos, player)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
if not inv:is_empty("src") or not inv:is_empty("dst") then
minetest.chat_send_player(player:get_player_name(),
S("Machine cannot be removed because it is not empty"))
return false
else
return true
end
end,
})
end
minetest.register_abm({
nodenames = {"technic:"..ltier.."_battery_box0", "technic:"..ltier.."_battery_box1",
"technic:"..ltier.."_battery_box2", "technic:"..ltier.."_battery_box3",
"technic:"..ltier.."_battery_box4", "technic:"..ltier.."_battery_box5",
"technic:"..ltier.."_battery_box6", "technic:"..ltier.."_battery_box7",
"technic:"..ltier.."_battery_box8"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = minetest.get_meta(pos)
local eu_input = meta:get_int(tier.."_EU_input")
local current_charge = meta:get_int("internal_EU_charge")
-- Power off automatically if no longer connected to a switching station
technic.switching_station_timeout_count(pos, tier)
-- Charge/discharge the battery with the input EUs
if eu_input >= 0 then
current_charge = math.min(current_charge + eu_input, data.max_charge)
else
current_charge = math.max(current_charge + eu_input, 0)
end
-- Charging/discharging tools here
current_charge = technic.charge_tools(meta,
current_charge, data.charge_step)
current_charge = technic.discharge_tools(meta,
current_charge, data.discharge_step,
data.max_charge)
-- We allow batteries to charge on less than the demand
meta:set_int(tier.."_EU_demand",
math.min(data.charge_rate, data.max_charge - current_charge))
meta:set_int(tier.."_EU_supply",
math.min(data.discharge_rate, current_charge))
meta:set_int("internal_EU_charge", current_charge)
-- Select node textures
local charge_count = math.ceil((current_charge / data.max_charge) * 8)
charge_count = math.min(charge_count, 8)
charge_count = math.max(charge_count, 0)
local last_count = meta:get_float("last_side_shown")
if charge_count ~= last_count then
hacky_swap_node(pos,"technic:"..ltier.."_battery_box"..charge_count)
meta:set_float("last_side_shown", charge_count)
end
local charge_percent = math.floor(current_charge / data.max_charge * 100)
meta:set_string("formspec",
formspec..
"image[1,1;1,2;technic_power_meter_bg.png"
.."^[lowpart:"..charge_percent
..":technic_power_meter_fg.png]")
local infotext = S("%s Battery Box: %d/%d"):format(tier,
current_charge, data.max_charge)
if eu_input == 0 then
infotext = S("%s Idle"):format(infotext)
end
meta:set_string("infotext", infotext)
end
})
-- Register as a battery type
-- Battery type machines function as power reservoirs and can both receive and give back power
for i = 0, 8 do
technic.register_machine(tier, "technic:"..ltier.."_battery_box"..i, technic.battery)
end
end -- End registration
function technic.charge_tools(meta, batt_charge, charge_step)
local inv = meta:get_inventory()
if inv:is_empty("src") then
return batt_charge
end
local srcstack = inv:get_stack("src", 1)
local src_meta = get_item_meta(srcstack:get_metadata())
local toolname = srcstack:get_name()
if not technic.power_tools[toolname] then
return batt_charge
end
-- Set meta data for the tool if it didn't do it itself
src_meta = get_item_meta(srcstack:get_metadata())
src_meta = src_meta or {}
if not src_meta.charge then
src_meta.charge = 0
end
-- Do the charging
local item_max_charge = technic.power_tools[toolname]
local tool_charge = src_meta.charge
if tool_charge >= item_max_charge or batt_charge <= 0 then
return batt_charge
end
charge_step = math.min(charge_step, batt_charge)
charge_step = math.min(charge_step, item_max_charge - tool_charge)
tool_charge = tool_charge + charge_step
batt_charge = batt_charge - charge_step
technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
src_meta.charge = tool_charge
srcstack:set_metadata(set_item_meta(src_meta))
inv:set_stack("src", 1, srcstack)
return batt_charge
end
function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
local inv = meta:get_inventory()
if inv:is_empty("dst") then
return batt_charge
end
srcstack = inv:get_stack("dst", 1)
local toolname = srcstack:get_name()
if technic.power_tools[toolname] == nil then
return batt_charge
end
-- Set meta data for the tool if it didn't do it itself :-(
local src_meta = get_item_meta(srcstack:get_metadata())
src_meta = src_meta or {}
if not src_meta.charge then
src_meta.charge = 0
end
-- Do the discharging
local item_max_charge = technic.power_tools[toolname]
local tool_charge = src_meta.charge
if tool_charge <= 0 or batt_charge >= max_charge then
return batt_charge
end
charge_step = math.min(charge_step, max_charge - batt_charge)
charge_step = math.min(charge_step, tool_charge)
tool_charge = tool_charge - charge_step
batt_charge = batt_charge + charge_step
technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
src_meta.charge = tool_charge
srcstack:set_metadata(set_item_meta(src_meta))
inv:set_stack("dst", 1, srcstack)
return batt_charge
end