106 lines
3.5 KiB
Lua
106 lines
3.5 KiB
Lua
-- A Hydro Turbine produces MV EUs by exploiting flowing water across it
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-- It is a MV EU supplier and fairly high yield (max 1800EUs)
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local S = technic.getter
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local cable_entry = "^technic_cable_connection_overlay.png"
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minetest.register_alias("hydro_turbine", "technic:hydro_turbine")
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minetest.register_craft({
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output = 'technic:hydro_turbine',
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recipe = {
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{'technic:stainless_steel_ingot', 'technic:water_mill', 'technic:stainless_steel_ingot'},
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{'technic:water_mill', 'technic:mv_transformer', 'technic:water_mill'},
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{'technic:stainless_steel_ingot', 'technic:mv_cable', 'technic:stainless_steel_ingot'},
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}
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})
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local function get_water_flow(pos)
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local node = minetest.get_node(pos)
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if minetest.get_item_group(node.name, "water") == 3 and string.find(node.name, "flowing") then
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return node.param2 -- returns approx. water flow, if any
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end
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return 0
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end
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---
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-- 10 times better than LV hydro because of 2 extra water mills and 4 stainless steel, a transformer and whatnot ;P.
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-- Man hydro turbines are tough and long lasting. So, give it some value :)
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local run = function(pos, node)
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local meta = minetest.get_meta(pos)
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local water_flow = 0
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local production_level
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local eu_supply
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local max_output = 40 * 45 -- Generates 1800EU/s
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local positions = {
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{x=pos.x+1, y=pos.y, z=pos.z},
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{x=pos.x-1, y=pos.y, z=pos.z},
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{x=pos.x, y=pos.y, z=pos.z+1},
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{x=pos.x, y=pos.y, z=pos.z-1},
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}
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for _, p in pairs(positions) do
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water_flow = water_flow + get_water_flow(p)
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end
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eu_supply = math.min(40 * water_flow, max_output)
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production_level = math.floor(100 * eu_supply / max_output)
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meta:set_int("MV_EU_supply", eu_supply)
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meta:set_string("infotext",
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S("Hydro %s Generator"):format("MV").." ("..production_level.."%)")
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if production_level > 0 and
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minetest.get_node(pos).name == "technic:hydro_turbine" then
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technic.swap_node(pos, "technic:hydro_turbine_active")
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meta:set_int("MV_EU_supply", 0)
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return
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end
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if production_level == 0 then
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technic.swap_node(pos, "technic:hydro_turbine")
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end
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end
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minetest.register_node("technic:hydro_turbine", {
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description = S("Hydro %s Generator"):format("MV"),
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tiles = {
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"technic_hydro_turbine_top.png",
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"technic_machine_bottom.png"..cable_entry,
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"technic_hydro_turbine_side.png",
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"technic_hydro_turbine_side.png",
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"technic_hydro_turbine_side.png",
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"technic_hydro_turbine_side.png"
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},
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paramtype2 = "facedir",
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
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technic_machine=1, technic_mv=1},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("infotext", S("Hydro %s Generator"):format("MV"))
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meta:set_int("MV_EU_supply", 0)
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end,
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technic_run = run,
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})
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minetest.register_node("technic:hydro_turbine_active", {
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description = S("Hydro %s Generator"):format("MV"),
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tiles = {"technic_hydro_turbine_top_active.png", "technic_machine_bottom.png",
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"technic_hydro_turbine_side.png", "technic_hydro_turbine_side.png",
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"technic_hydro_turbine_side.png", "technic_hydro_turbine_side.png"},
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paramtype2 = "facedir",
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
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technic_machine=1, technic_mv=1, not_in_creative_inventory=1},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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drop = "technic:hydro_turbine",
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technic_run = run,
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technic_disabled_machine_name = "technic:hydro_turbine",
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})
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technic.register_machine("MV", "technic:hydro_turbine", technic.producer)
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technic.register_machine("MV", "technic:hydro_turbine_active", technic.producer)
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