OgelGames 5ad0a8c229
Use minetest.load_area everywhere (#287)
also change `technic.get_or_load_node` to return loaded node instead of nil
2022-10-31 12:40:17 +11:00

71 lines
2.7 KiB
Lua

local S = technic.getter
function technic.register_solar_array(nodename, data)
local _, modname, name, def = technic.register_compat_v1_to_v2(nodename, data, "solar_array")
assert(def.tier, "Technic register_solar_array requires `tier` field")
local tier = def.tier
local ltier = string.lower(tier)
local infotext = S("Arrayed Solar @1 Generator", S(tier))
local run = function(pos, node)
-- The action here is to make the solar array produce power
-- Power is dependent on the light level and the height above ground
-- There are many ways to cheat by using other light sources like lamps.
-- As there is no way to determine if light is sunlight that is just a shame.
-- To take care of some of it solar panels do not work outside daylight hours or if
-- built below 0m
local pos1 = { y = pos.y + 1, x = pos.x, z = pos.z }
minetest.load_area(pos1)
local light = minetest.get_node_light(pos1, nil)
local time_of_day = minetest.get_timeofday()
local meta = minetest.get_meta(pos)
light = light or 0
-- turn on array only during day time and if sufficient light
-- I know this is counter intuitive when cheating by using other light sources.
if light >= 12 and time_of_day >= 0.24 and time_of_day <= 0.76 and pos.y > 0 then
local charge_to_give = math.floor((light + pos.y) * def.power)
charge_to_give = math.max(charge_to_give, 0)
charge_to_give = math.min(charge_to_give, def.power * 50)
meta:set_string("infotext", S("@1 Active (@2)", infotext, technic.EU_string(charge_to_give)))
meta:set_int(tier.."_EU_supply", charge_to_give)
else
meta:set_string("infotext", S("@1 Idle", infotext))
meta:set_int(tier.."_EU_supply", 0)
end
end
def.tiles = def.tiles or {
modname.."_"..name.."_top.png",
modname.."_"..name.."_bottom.png",
modname.."_"..name.."_side.png",
modname.."_"..name.."_side.png",
modname.."_"..name.."_side.png",
modname.."_"..name.."_side.png"
}
def.groups = def.groups or {
snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, ["technic_"..ltier]=1
}
def.connect_sides = def.connect_sides or {"bottom"}
def.sounds = def.sounds or default.node_sound_wood_defaults()
def.description = def.description or S("Arrayed Solar @1 Generator", S(tier))
def.active = def.active or false
def.drawtype = def.drawtype or "nodebox"
def.paramtype = def.paramtype or "light"
def.node_box = def.nodebox or {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
}
def.on_construct = def.on_construct or function(pos)
local meta = minetest.get_meta(pos)
meta:set_int(tier.."_EU_supply", 0)
end
def.technic_run = def.technic_run or run
minetest.register_node(nodename, def)
technic.register_machine(tier, nodename, technic.producer)
end