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| | | -- Solar panels are the building blocks of LV solar arrays |
| | | -- They can however also be used separately but with reduced efficiency due to the missing transformer. |
| | | -- Individual panels are 20% less efficient than when the panels are combined into full arrays. |
| | | minetest.register_node("technic:solar_panel", { |
| | | tiles = {"technic_solar_panel_top.png", "technic_solar_panel_bottom.png", "technic_solar_panel_side.png", |
| | | "technic_solar_panel_side.png", "technic_solar_panel_side.png", "technic_solar_panel_side.png"}, |
| | | groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}, |
| | | sounds = default.node_sound_wood_defaults(), |
| | | description="Solar Panel", |
| | | active = false, |
| | | technic_power_machine=1, |
| | | internal_EU_buffer=0; |
| | | internal_EU_buffer_size=160; |
| | | drawtype = "nodebox", |
| | | paramtype = "light", |
| | | is_ground_content = true, |
| | | node_box = { |
| | | type = "fixed", |
| | | fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, |
| | | }, |
| | | selection_box = { |
| | | type = "fixed", |
| | | fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, |
| | | }, |
| | | on_construct = function(pos) |
| | | local meta = minetest.env:get_meta(pos) |
| | | meta:set_float("technic_power_machine", 1) |
| | | meta:set_float("internal_EU_buffer", 0) |
| | | meta:set_float("internal_EU_buffer_size", 160) |
| | | |
| | | meta:set_string("infotext", "Solar Panel") |
| | | meta:set_float("active", false) |
| | | end, |
| | | }) |
| | | |
| | | minetest.register_craft({ |
| | | output = 'technic:solar_panel 1', |
| | | recipe = { |
| | | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, |
| | | {'technic:doped_silicon_wafer', 'technic:lv_cable', 'technic:doped_silicon_wafer'}, |
| | | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, |
| | | |
| | | } |
| | | }) |
| | | |
| | | minetest.register_abm( |
| | | {nodenames = {"technic:solar_panel"}, |
| | | interval = 1, |
| | | chance = 1, |
| | | action = function(pos, node, active_object_count, active_object_count_wider) |
| | | -- The action here is to make the solar panel prodice power |
| | | -- Power is dependent on the light level and the height above ground |
| | | -- 130m and above is optimal as it would be above cloud level. |
| | | -- Height gives 1/4 of the effect, light 3/4. Max. effect is 26EU. |
| | | -- 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 -10m |
| | | local pos1={} |
| | | pos1.y=pos.y+1 |
| | | pos1.x=pos.x |
| | | pos1.z=pos.z |
| | | |
| | | local light = minetest.env:get_node_light(pos1, nil) |
| | | local time_of_day = minetest.env:get_timeofday() |
| | | local meta = minetest.env:get_meta(pos) |
| | | if light == nil then light = 0 end |
| | | -- turn on panel only during day time and if sufficient light |
| | | -- I know this is counter intuitive when cheating by using other light sources underground. |
| | | if light >= 12 and time_of_day>=0.24 and time_of_day<=0.76 and pos.y > -10 then |
| | | local internal_EU_buffer=meta:get_float("internal_EU_buffer") |
| | | local internal_EU_buffer_size=meta:get_float("internal_EU_buffer_size") |
| | | local charge_to_give=math.floor(light*(light*0.0867+pos1.y/130*0.4333)) |
| | | if charge_to_give<0 then charge_to_give=0 end |
| | | if charge_to_give>26 then charge_to_give=26 end |
| | | if internal_EU_buffer+charge_to_give>internal_EU_buffer_size then |
| | | charge_to_give=internal_EU_buffer_size-internal_EU_buffer |
| | | end |
| | | meta:set_string("infotext", "Solar Panel is active ("..charge_to_give.."EU)") |
| | | meta:set_float("active",1) |
| | | internal_EU_buffer=internal_EU_buffer+charge_to_give |
| | | meta:set_float("internal_EU_buffer",internal_EU_buffer) |
| | | |
| | | else |
| | | meta:set_string("infotext", "Solar Panel is inactive"); |
| | | meta:set_float("active",0) |
| | | end |
| | | end, |
| | | }) |
| | | |
| | | register_LV_machine ("technic:solar_panel","PR") |