| commit | author | age | ||
| 8e03d7 | 1 | -- Solar panels are the building blocks of LV solar arrays |
| R | 2 | -- They can however also be used separately but with reduced efficiency due to the missing transformer. |
| 3 | -- Individual panels are 20% less efficient than when the panels are combined into full arrays. | |
| 82cba9 | 4 | minetest.register_node("technic:solar_panel", { |
| R | 5 | tiles = {"technic_solar_panel_top.png", "technic_solar_panel_bottom.png", "technic_solar_panel_side.png", |
| 6 | "technic_solar_panel_side.png", "technic_solar_panel_side.png", "technic_solar_panel_side.png"}, | |
| 7 | groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}, | |
| 8 | sounds = default.node_sound_wood_defaults(), | |
| 9 | description="Solar Panel", | |
| 10 | active = false, | |
| 11 | drawtype = "nodebox", | |
| 12 | paramtype = "light", | |
| 13 | is_ground_content = true, | |
| 14 | node_box = { | |
| 15 | type = "fixed", | |
| 16 | fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, | |
| 17 | }, | |
| 18 | selection_box = { | |
| 19 | type = "fixed", | |
| 20 | fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, | |
| 21 | }, | |
| 22 | on_construct = function(pos) | |
| 23 | local meta = minetest.env:get_meta(pos) | |
| ee5c6c | 24 | meta:set_int("technic_power_machine", 1) |
| K | 25 | meta:set_int("LV_EU_supply", 0) |
| 26 | meta:set_string("infotext", "LV Solar Panel") | |
| 82cba9 | 27 | end, |
| R | 28 | }) |
| 29 | ||
| 30 | minetest.register_craft({ | |
| 31 | output = 'technic:solar_panel 1', | |
| 32 | recipe = { | |
| 33 | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, | |
| 8e03d7 | 34 | {'technic:doped_silicon_wafer', 'technic:lv_cable', 'technic:doped_silicon_wafer'}, |
| 82cba9 | 35 | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, |
| R | 36 | |
| 37 | } | |
| 38 | }) | |
| 39 | ||
| 40 | minetest.register_abm( | |
| 41 | {nodenames = {"technic:solar_panel"}, | |
| 8e03d7 | 42 | interval = 1, |
| R | 43 | chance = 1, |
| 82cba9 | 44 | action = function(pos, node, active_object_count, active_object_count_wider) |
| 8e03d7 | 45 | -- The action here is to make the solar panel prodice power |
| R | 46 | -- Power is dependent on the light level and the height above ground |
| 47 | -- 130m and above is optimal as it would be above cloud level. | |
| 48 | -- Height gives 1/4 of the effect, light 3/4. Max. effect is 26EU. | |
| 49 | -- There are many ways to cheat by using other light sources like lamps. | |
| 50 | -- As there is no way to determine if light is sunlight that is just a shame. | |
| 51 | -- To take care of some of it solar panels do not work outside daylight hours or if | |
| 52 | -- built below -10m | |
| 82cba9 | 53 | local pos1={} |
| R | 54 | pos1.y=pos.y+1 |
| 55 | pos1.x=pos.x | |
| 56 | pos1.z=pos.z | |
| 57 | ||
| 58 | local light = minetest.env:get_node_light(pos1, nil) | |
| 8e03d7 | 59 | local time_of_day = minetest.env:get_timeofday() |
| 82cba9 | 60 | local meta = minetest.env:get_meta(pos) |
| R | 61 | if light == nil then light = 0 end |
| 8e03d7 | 62 | -- turn on panel only during day time and if sufficient light |
| R | 63 | -- I know this is counter intuitive when cheating by using other light sources underground. |
| 64 | if light >= 12 and time_of_day>=0.24 and time_of_day<=0.76 and pos.y > -10 then | |
| 65 | local charge_to_give=math.floor(light*(light*0.0867+pos1.y/130*0.4333)) | |
| 82cba9 | 66 | if charge_to_give<0 then charge_to_give=0 end |
| 8e03d7 | 67 | if charge_to_give>26 then charge_to_give=26 end |
| R | 68 | meta:set_string("infotext", "Solar Panel is active ("..charge_to_give.."EU)") |
| ee5c6c | 69 | meta:set_int("LV_EU_supply", charge_to_give) |
| 82cba9 | 70 | else |
| R | 71 | meta:set_string("infotext", "Solar Panel is inactive"); |
| ee5c6c | 72 | meta:set_int("LV_EU_supply", 0) |
| 82cba9 | 73 | end |
| R | 74 | end, |
| 612349 | 75 | }) |
| R | 76 | |
| ee5c6c | 77 | technic.register_LV_machine ("technic:solar_panel","PR") |
| 19c9a0 | 78 | |
