techpack/smartline/icta/battery.lua

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--[[
ICTA Controller
===============
Copyright (C) 2018 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
battery.lua
]]--
local BATTERY_CAPACITY = 5000000
local function calc_percent(content)
local val = (BATTERY_CAPACITY - math.min(content or 0, BATTERY_CAPACITY))
return 100 - math.floor((val * 100.0 / BATTERY_CAPACITY))
end
local function on_timer(pos, elapsed)
local meta = minetest.get_meta(pos)
local percent = calc_percent(meta:get_int("content"))
meta:set_string("infotext", "Battery ("..percent.."%)")
if percent == 0 then
local node = minetest.get_node(pos)
node.name = "smartline:battery_empty"
minetest.swap_node(pos, node)
return false
end
return true
end
local function register_battery(ext, percent, nici)
minetest.register_node("smartline:battery"..ext, {
description = "Battery "..ext,
inventory_image = 'smartline_battery_inventory.png',
wield_image = 'smartline_battery_inventory.png',
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_battery_green.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -6/32, -6/32, 14/32, 6/32, 6/32, 16/32},
},
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_int("content", BATTERY_CAPACITY * percent)
local node = minetest.get_node(pos)
node.name = "smartline:battery"
minetest.swap_node(pos, node)
on_timer(pos, 1)
minetest.get_node_timer(pos):start(30)
end,
on_timer = on_timer,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
local percent = calc_percent(tonumber(oldmetadata.fields.content))
local stack
if percent > 95 then
stack = ItemStack("smartline:battery")
elseif percent > 75 then
stack = ItemStack("smartline:battery75")
elseif percent > 50 then
stack = ItemStack("smartline:battery50")
elseif percent > 25 then
stack = ItemStack("smartline:battery25")
else
return
end
local inv = minetest.get_inventory({type="player", name=digger:get_player_name()})
inv:add_item("main", stack)
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=1, cracky=1, crumbly=1, not_in_creative_inventory=nici},
drop = "",
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
})
end
register_battery("", 1.0, 0)
register_battery("75", 0.75, 1)
register_battery("50", 0.5, 1)
register_battery("25", 0.25, 1)
minetest.register_node("smartline:battery_empty", {
description = "Battery",
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_battery_red.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -6/32, -6/32, 14/32, 6/32, 6/32, 16/32},
},
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_int("content", 0)
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=1, cracky=1, crumbly=1, not_in_creative_inventory=1},
drop = "",
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
})
if minetest.global_exists("moreores") then
minetest.register_craft({
output = "smartline:battery 2",
recipe = {
{"", "moreores:silver_ingot", ""},
{"", "default:copper_ingot", ""},
{"", "moreores:silver_ingot", ""},
}
})
else
minetest.register_craft({
output = "smartline:battery 2",
recipe = {
{"", "default:tin_ingot", ""},
{"", "default:copper_ingot", ""},
{"", "default:tin_ingot", ""},
}
})
end