commit | author | age
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-- A geothermal EU generator |
K |
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-- Using hot lava and water this device can create energy from steam |
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-- The machine is only producing LV EUs and can thus not drive more advanced equipment |
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-- The output is a little more than the coal burning generator (max 300EUs) |
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minetest.register_alias("geothermal", "technic:geothermal") |
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minetest.register_craft({ |
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output = 'technic:geothermal', |
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recipe = { |
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{'default:stone', 'default:stone', 'default:stone'}, |
cdb368
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{'default:copper_ingot', 'default:diamond', 'default:copper_ingot'}, |
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{'default:stone', 'default:copper_ingot', 'default:stone'}, |
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} |
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}) |
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minetest.register_craftitem("technic:geothermal", { |
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description = "Geothermal Generator", |
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stack_max = 99, |
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}) |
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local geothermal_formspec = |
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"invsize[8,4;]".. |
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"image[1,1;1,2;technic_power_meter_bg.png]".. |
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"label[0,0;Geothermal Generator]".. |
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"label[1,3;Power level]".. |
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"list[current_player;main;0,5;8,4;]" |
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minetest.register_node( |
K |
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"technic:geothermal", |
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{ |
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description = "Geothermal Generator", |
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tiles = {"technic_geothermal_top.png", "technic_machine_bottom.png", "technic_geothermal_side.png", |
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"technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_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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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.env:get_meta(pos) |
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meta:set_string("infotext", "Geothermal Generator") |
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meta:set_float("technic_power_machine", 1) |
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meta:set_int("LV_EU_supply", 0) |
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meta:set_string("formspec", geothermal_formspec) |
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end, |
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}) |
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minetest.register_node( |
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"technic:geothermal_active", |
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{ |
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description = "Geothermal Generator", |
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tiles = {"technic_geothermal_top_active.png", "technic_machine_bottom.png", "technic_geothermal_side.png", |
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"technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"}, |
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paramtype2 = "facedir", |
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groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,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:geothermal", |
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}) |
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local check_node_around = function(pos) |
K |
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local node=minetest.env:get_node(pos) |
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if node.name=="default:water_source" or node.name=="default:water_flowing" then return 1 end |
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if node.name=="default:lava_source" or node.name=="default:lava_flowing" then return 2 end |
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return 0 |
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end |
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minetest.register_abm( |
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{ |
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nodenames = {"technic:geothermal","technic:geothermal_active"}, |
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interval = 1, |
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chance = 1, |
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action = function(pos, node, active_object_count, active_object_count_wider) |
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local meta = minetest.env:get_meta(pos) |
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local water_nodes = 0 |
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local lava_nodes = 0 |
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local production_level = 0 |
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local eu_supply = 0 |
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-- Correct positioning is water on one side and lava on the other. |
K |
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-- The two cannot be adjacent because the lava the turns into obsidian or rock. |
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-- To get to 100% production stack the water and lava one extra block down as well: |
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-- WGL (W=Water, L=Lava, G=the generator, |=an LV cable) |
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-- W|L |
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pos.x=pos.x+1 |
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local check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.y=pos.y-1 |
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local check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.x=pos.x-2 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.y=pos.y+1 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.x=pos.x+1 |
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pos.z=pos.z+1 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.y=pos.y-1 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.z=pos.z-2 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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pos.y=pos.y+1 |
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check=check_node_around(pos) |
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if check==1 then water_nodes=water_nodes+1 end |
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if check==2 then lava_nodes=lava_nodes+1 end |
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-- Back to (0,0,0) |
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pos.z=pos.z+1 |
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if water_nodes==1 and lava_nodes==1 then production_level = 25; eu_supply = 50 end |
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if water_nodes==2 and lava_nodes==1 then production_level = 50; eu_supply = 100 end |
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if water_nodes==1 and lava_nodes==2 then production_level = 75; eu_supply = 200 end |
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if water_nodes==2 and lava_nodes==2 then production_level = 100; eu_supply = 300 end |
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if production_level>0 then |
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meta:set_int("LV_EU_supply", eu_supply) |
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end |
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local load = 1 -- math.floor((charge/max_charge)*100) |
K |
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meta:set_string("formspec", |
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"invsize[8,4;]".. |
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"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:".. |
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(load)..":technic_power_meter_fg.png]".. |
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"label[0,0;Geothermal Generator]".. |
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"label[1,3;Power level]".. |
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"label[4,0;Production at "..tostring(production_level).."%]" |
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) |
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if production_level>0 and minetest.env:get_node(pos).name=="technic:geothermal" then |
K |
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hacky_swap_node (pos,"technic:geothermal_active") |
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return |
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end |
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if production_level==0 then |
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hacky_swap_node (pos,"technic:geothermal") |
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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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}) |
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technic.register_LV_machine ("technic:geothermal","PR") |
K |
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technic.register_LV_machine ("technic:geothermal_active","PR") |