-- A geothermal EU generator
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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")
|
|
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'},
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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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})
|
|
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;]"
|
|
|
minetest.register_node(
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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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})
|
|
minetest.register_node(
|
"technic:geothermal_active",
|
{
|
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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})
|
|
local check_node_around = function(pos)
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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
|
return 0
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end
|
|
minetest.register_abm(
|
{
|
nodenames = {"technic:geothermal","technic:geothermal_active"},
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interval = 1,
|
chance = 1,
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
local meta = minetest.env:get_meta(pos)
|
local water_nodes = 0
|
local lava_nodes = 0
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local production_level = 0
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local eu_supply = 0
|
|
-- Correct positioning is water on one side and lava on the other.
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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:
|
-- WGL (W=Water, L=Lava, G=the generator, |=an LV cable)
|
-- W|L
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pos.x=pos.x+1
|
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
|
pos.y=pos.y-1
|
local check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
|
pos.x=pos.x-2
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
pos.y=pos.y+1
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
|
pos.x=pos.x+1
|
pos.z=pos.z+1
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
pos.y=pos.y-1
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
|
pos.z=pos.z-2
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
pos.y=pos.y+1
|
check=check_node_around(pos)
|
if check==1 then water_nodes=water_nodes+1 end
|
if check==2 then lava_nodes=lava_nodes+1 end
|
|
-- Back to (0,0,0)
|
pos.z=pos.z+1
|
|
if water_nodes==1 and lava_nodes==1 then production_level = 25; eu_supply = 50 end
|
if water_nodes==2 and lava_nodes==1 then production_level = 50; eu_supply = 100 end
|
if water_nodes==1 and lava_nodes==2 then production_level = 75; eu_supply = 200 end
|
if water_nodes==2 and lava_nodes==2 then production_level = 100; eu_supply = 300 end
|
|
if production_level>0 then
|
meta:set_int("LV_EU_supply", eu_supply)
|
end
|
|
local load = 1 -- math.floor((charge/max_charge)*100)
|
meta:set_string("formspec",
|
"invsize[8,4;]"..
|
"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
|
(load)..":technic_power_meter_fg.png]"..
|
"label[0,0;Geothermal Generator]"..
|
"label[1,3;Power level]"..
|
"label[4,0;Production at "..tostring(production_level).."%]"
|
)
|
|
if production_level>0 and minetest.env:get_node(pos).name=="technic:geothermal" then
|
hacky_swap_node (pos,"technic:geothermal_active")
|
return
|
end
|
if production_level==0 then
|
hacky_swap_node (pos,"technic:geothermal")
|
meta:set_int("LV_EU_supply", 0)
|
end
|
end
|
})
|
|
technic.register_LV_machine ("technic:geothermal","PR")
|
technic.register_LV_machine ("technic:geothermal_active","PR")
|
