techage/solar/minicell.lua

143 lines
3.4 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019 Joachim Stolberg
GPL v3
See LICENSE.txt for more information
TA4 Streetlamp Solar Cell
]]--
-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local S = techage.S
local CYCLE_TIME = 2
local PWR_PERF = 1
local PWR_CAPA = 30 * 20 -- default day
minetest.after(2, function()
-- calculate the capacity depending on the day duration
PWR_CAPA = math.max(minetest.get_gametime() / minetest.get_day_count() / 2, PWR_CAPA)
end)
local Cable = techage.ElectricCable
local power = techage.power
local function node_timer(pos, elapsed)
local mem = tubelib2.get_mem(pos)
mem.capa = mem.capa or 0
pos.y = pos.y + 1
local light = minetest.get_node_light(pos) or 0
pos.y = pos.y - 1
if light >= (minetest.LIGHT_MAX - 1) then
if mem.providing then
power.generator_stop(pos, mem)
mem.providing = false
mem.provided = 0
end
mem.capa = math.min(mem.capa + PWR_PERF * 1.2, PWR_CAPA)
else
if mem.capa > 0 then
if not mem.providing then
power.generator_start(pos, mem, PWR_PERF)
mem.providing = true
end
mem.provided = power.generator_alive(pos, mem)
mem.capa = mem.capa - mem.provided
else
power.generator_stop(pos, mem)
mem.providing = false
mem.provided = 0
mem.capa = 0
end
end
return true
end
minetest.register_node("techage:ta4_solar_minicell", {
description = S("TA4 Streetlamp Solar Cell"),
tiles = {
-- up, down, right, left, back, front
"techage_solar_cell_mini_top.png",
"techage_solar_cell_mini_bottom.png",
"techage_solar_cell_mini_side.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-14/32, -8/32, -14/32, 14/32, -6/32, 14/32},
{-7/32, -16/32, -7/32, 7/32, -8/32, 7/32},
},
},
after_place_node = function(pos)
local meta = minetest.get_meta(pos)
local number = techage.add_node(pos, "techage:ta4_solar_minicell")
meta:set_string("node_number", number)
meta:set_string("infotext", S("TA4 Streetlamp Solar Cell").." "..number)
-- secondary 'after_place_node', called by power. Don't use tubelib2.init_mem(pos)!!!
local mem = tubelib2.get_mem(pos)
mem.capa = 0
mem.providing = false
minetest.get_node_timer(pos):start(CYCLE_TIME)
end,
after_dig_node = function(pos)
techage.remove_node(pos)
tubelib2.del_mem(pos)
end,
paramtype2 = "facedir",
groups = {cracky=2, crumbly=2, choppy=2},
is_ground_content = false,
on_timer = node_timer,
})
techage.power.register_node({"techage:ta4_solar_minicell"}, {
power_network = Cable,
conn_sides = {"D"},
})
techage.register_node({"techage:ta4_solar_minicell"}, {
on_recv_message = function(pos, src, topic, payload)
local mem = tubelib2.get_mem(pos)
if topic == "state" then
if mem.providing then
return "discharging"
elseif (mem.capa or 0) > 0 then
return "charging"
else
return "unused"
end
else
return "unsupported"
end
end,
on_node_load = function(pos)
local meta = M(pos)
local number = meta:get_string("number") or ""
if number ~= "" then
meta:set_string("node_number", number)
meta:set_string("number", nil)
end
end,
})
minetest.register_craft({
output = "techage:ta4_solar_minicell",
recipe = {
{"", "techage:ta4_wlanchip", ""},
{"techage:ta4_silicon_wafer", "techage:ta4_silicon_wafer", "techage:ta4_silicon_wafer"},
{"default:tin_ingot", "techage:iron_ingot", "default:copper_ingot"},
},
})