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