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| | | -- Solar panels are the building blocks of LV solar arrays |
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| | | -- They can however also be used separately but with reduced efficiency due to the missing transformer. |
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| | | -- Individual panels are 20% less efficient than when the panels are combined into full arrays. |
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| | | minetest.register_node("technic:solar_panel", { |
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| | | tiles = {"technic_solar_panel_top.png", "technic_solar_panel_bottom.png", "technic_solar_panel_side.png", |
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| | | "technic_solar_panel_side.png", "technic_solar_panel_side.png", "technic_solar_panel_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="Solar Panel", |
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| | | active = false, |
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| | | drawtype = "nodebox", |
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| | | paramtype = "light", |
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| | | is_ground_content = true, |
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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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| | | selection_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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| | | on_construct = function(pos) |
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| | | local meta = minetest.env:get_meta(pos) |
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| | | meta:set_int("technic_power_machine", 1) |
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| | | meta:set_int("LV_EU_supply", 0) |
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| | | meta:set_string("infotext", "LV Solar Panel") |
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| | | end, |
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| | | }) |
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| | | |
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| | | minetest.register_craft({ |
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| | | output = 'technic:solar_panel 1', |
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| | | recipe = { |
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| | | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, |
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| | | {'technic:doped_silicon_wafer', 'technic:lv_cable', 'technic:doped_silicon_wafer'}, |
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| | | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, |
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| | | |
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| | | } |
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| | | }) |
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| | | |
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| | | minetest.register_abm( |
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| | | {nodenames = {"technic:solar_panel"}, |
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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 panel prodice 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 26EU. |
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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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| | | 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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| | | |
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| | | local light = minetest.env:get_node_light(pos1, nil) |
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| | | local time_of_day = minetest.env:get_timeofday() |
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| | | local meta = minetest.env:get_meta(pos) |
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| | | if light == nil then light = 0 end |
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| | | -- turn on panel 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 underground. |
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| | | if light >= 12 and time_of_day>=0.24 and time_of_day<=0.76 and pos.y > -10 then |
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| | | local charge_to_give=math.floor(light*(light*0.0867+pos1.y/130*0.4333)) |
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| | | if charge_to_give<0 then charge_to_give=0 end |
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| | | if charge_to_give>26 then charge_to_give=26 end |
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| | | meta:set_string("infotext", "Solar Panel is active ("..charge_to_give.."EU)") |
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| | | meta:set_int("LV_EU_supply", charge_to_give) |
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| | | else |
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| | | meta:set_string("infotext", "Solar Panel is inactive"); |
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| | | meta:set_int("LV_EU_supply", 0) |
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| | | end |
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| | | end, |
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| | | }) |
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| | | |
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| | | technic.register_LV_machine ("technic:solar_panel","PR") |
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