73 lines
2.9 KiB
Lua
73 lines
2.9 KiB
Lua
-- 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 less efficient than when the panels are combined into full arrays.
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local S = technic.getter
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minetest.register_craft({
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output = 'technic:solar_panel',
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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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{'basic_materials:silver_wire', 'technic:lv_cable', 'mesecons_materials:glue'},
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},
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replacements = { {"basic_materials:silver_wire", "basic_materials:empty_spool"}, },
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})
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local run = function(pos, node)
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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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-- 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 0m
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local pos1 = {x=pos.x, y=pos.y+1, z=pos.z}
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local machine_name = S("Small Solar %s Generator"):format("LV")
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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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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 + pos1.y) * 3)
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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, 200)
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meta:set_string("infotext", S("@1 Active (@2)", machine_name,
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technic.EU_string(charge_to_give)))
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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", S("%s Idle"):format(machine_name))
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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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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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technic_machine=1, technic_lv=1},
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connect_sides = {"bottom"},
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sounds = default.node_sound_wood_defaults(),
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description = S("Small Solar %s Generator"):format("LV"),
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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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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int("LV_EU_supply", 0)
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meta:set_string("infotext", S("Small Solar %s Generator"):format("LV"))
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end,
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technic_run = run,
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})
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technic.register_machine("LV", "technic:solar_panel", technic.producer)
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