| commit | author | age | ||
| ee0765 | 1 | -- Solar panels are the building blocks of LV solar arrays |
| S | 2 | -- They can however also be used separately but with reduced efficiency due to the missing transformer. |
| 3 | -- Individual panels are less efficient than when the panels are combined into full arrays. | |
| 4 | ||
| be2f30 | 5 | local S = technic.getter |
| S | 6 | |
| ee0765 | 7 | minetest.register_node("technic:solar_panel", { |
| S | 8 | tiles = {"technic_solar_panel_top.png", "technic_solar_panel_bottom.png", "technic_solar_panel_side.png", |
| 9 | "technic_solar_panel_side.png", "technic_solar_panel_side.png", "technic_solar_panel_side.png"}, | |
| 10 | groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}, | |
| 11 | sounds = default.node_sound_wood_defaults(), | |
| be2f30 | 12 | description = S("Solar Panel"), |
| ee0765 | 13 | active = false, |
| S | 14 | drawtype = "nodebox", |
| 15 | paramtype = "light", | |
| 16 | is_ground_content = true, | |
| 17 | node_box = { | |
| 18 | type = "fixed", | |
| 19 | fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, | |
| 20 | }, | |
| 21 | on_construct = function(pos) | |
| 22 | local meta = minetest.get_meta(pos) | |
| 23 | meta:set_int("LV_EU_supply", 0) | |
| be2f30 | 24 | meta:set_string("infotext", S("Solar Panel")) |
| ee0765 | 25 | end, |
| S | 26 | }) |
| 27 | ||
| 28 | minetest.register_craft({ | |
| 29 | output = 'technic:solar_panel', | |
| 30 | recipe = { | |
| 31 | {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer'}, | |
| 68b7bc | 32 | {'technic:wrought_iron_ingot', 'technic:lv_cable0', 'technic:wrought_iron_ingot'}, |
| ee0765 | 33 | |
| S | 34 | } |
| 35 | }) | |
| 36 | ||
| 37 | minetest.register_abm({ | |
| 38 | nodenames = {"technic:solar_panel"}, | |
| 39 | interval = 1, | |
| 40 | chance = 1, | |
| 41 | action = function(pos, node, active_object_count, active_object_count_wider) | |
| 42 | -- The action here is to make the solar panel prodice power | |
| 43 | -- Power is dependent on the light level and the height above ground | |
| 44 | -- 130m and above is optimal as it would be above cloud level. | |
| 45 | -- Height gives 1/4 of the effect, light 3/4. Max. effect is 26EU. | |
| 46 | -- There are many ways to cheat by using other light sources like lamps. | |
| 47 | -- As there is no way to determine if light is sunlight that is just a shame. | |
| 48 | -- To take care of some of it solar panels do not work outside daylight hours or if | |
| 49 | -- built below -10m | |
| 50 | local pos1 = {x=pos.x, y=pos.y+1, z=pos.z} | |
| be2f30 | 51 | local machine_name = S("Solar Panel") |
| ee0765 | 52 | |
| S | 53 | local light = minetest.get_node_light(pos1, nil) |
| 54 | local time_of_day = minetest.get_timeofday() | |
| 55 | local meta = minetest.get_meta(pos) | |
| 56 | if light == nil then light = 0 end | |
| 57 | -- turn on panel only during day time and if sufficient light | |
| 58 | -- I know this is counter intuitive when cheating by using other light sources underground. | |
| 59 | if light >= 12 and time_of_day >= 0.24 and time_of_day <= 0.76 and pos.y > -10 then | |
| 60 | local charge_to_give = math.floor((light + pos1.y) * 3) | |
| 61 | charge_to_give = math.max(charge_to_give, 0) | |
| 62 | charge_to_give = math.min(charge_to_give, 200) | |
| be2f30 | 63 | meta:set_string("infotext", S("%s Active"):format(machine_name).." ("..charge_to_give.."EU)") |
| ee0765 | 64 | meta:set_int("LV_EU_supply", charge_to_give) |
| S | 65 | else |
| be2f30 | 66 | meta:set_string("infotext", S("%s Idle"):format(machine_name)) |
| ee0765 | 67 | meta:set_int("LV_EU_supply", 0) |
| S | 68 | end |
| 69 | end, | |
| 70 | }) | |
| 71 | ||
| 72 | technic.register_machine("LV", "technic:solar_panel", technic.producer) | |
| 73 | ||
