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local S = technic.getter
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function technic.register_solar_array(data)
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local tier = data.tier
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local ltier = string.lower(tier)
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minetest.register_node("technic:solar_array_"..ltier, {
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tiles = {"technic_"..ltier.."_solar_array_top.png", "technic_"..ltier.."_solar_array_bottom.png",
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"technic_"..ltier.."_solar_array_side.png", "technic_"..ltier.."_solar_array_side.png",
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"technic_"..ltier.."_solar_array_side.png", "technic_"..ltier.."_solar_array_side.png"},
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
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sounds = default.node_sound_wood_defaults(),
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description = S("%s Solar Array"):format(tier),
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active = false,
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drawtype = "nodebox",
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paramtype = "light",
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node_box = {
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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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technic = data,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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local name = minetest.get_node(pos).name
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local tier = minetest.registered_nodes[name].technic.tier
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meta:set_int(tier.."_EU_supply", 0)
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end,
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})
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minetest.register_abm({
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nodenames = {"technic:solar_array_"..ltier},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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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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-- 130m and above is optimal as it would be above cloud level.
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-- Height gives 1/4 of the effect, light 3/4. Max. effect is 2880EU for the array.
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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 -10m
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local pos1 = {}
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local data = minetest.registered_nodes[node.name].technic
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local machine_name = S("%s Solar Array"):format(data.tier)
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pos1.y = pos.y + 1
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pos1.x = pos.x
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pos1.z = pos.z
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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) * data.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, data.power * 50)
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meta:set_string("infotext", S("%s Active"):format(machine_name).." ("..charge_to_give.."EU)")
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meta:set_int(data.tier.."_EU_supply", charge_to_give)
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else
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meta:set_string("infotext", S("%s Idle"):format(machine_name))
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meta:set_int(data.tier.."_EU_supply", 0)
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end
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end,
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})
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technic.register_machine(tier, "technic:solar_array_"..ltier, technic.producer)
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end
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