diff options
Diffstat (limited to 'technic/machines/LV/geothermal.lua')
| -rw-r--r-- | technic/machines/LV/geothermal.lua | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/technic/machines/LV/geothermal.lua b/technic/machines/LV/geothermal.lua new file mode 100644 index 0000000..e88d3c9 --- /dev/null +++ b/technic/machines/LV/geothermal.lua @@ -0,0 +1,111 @@ +-- A geothermal EU generator +-- Using hot lava and water this device can create energy from steam +-- The machine is only producing LV EUs and can thus not drive more advanced equipment +-- The output is a little more than the coal burning generator (max 300EUs) + +minetest.register_alias("geothermal", "technic:geothermal") + +local S = technic.getter + +minetest.register_craft({ + output = 'technic:geothermal', + recipe = { + {'technic:granite', 'default:diamond', 'technic:granite'}, + {'technic:fine_copper_wire', 'technic:machine_casing', 'technic:fine_copper_wire'}, + {'technic:granite', 'technic:lv_cable0', 'technic:granite'}, + } +}) + +minetest.register_craftitem("technic:geothermal", { + description = S("Geothermal %s Generator"):format("LV"), +}) + +local check_node_around = function(pos) + local node = minetest.get_node(pos) + if node.name == "default:water_source" or node.name == "default:water_flowing" then return 1 end + if node.name == "default:lava_source" or node.name == "default:lava_flowing" then return 2 end + return 0 +end + +local run = function(pos, node) + local meta = minetest.get_meta(pos) + local water_nodes = 0 + local lava_nodes = 0 + local production_level = 0 + local eu_supply = 0 + + -- Correct positioning is water on one side and lava on the other. + -- The two cannot be adjacent because the lava the turns into obsidian or rock. + -- 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 + + local positions = { + {x=pos.x+1, y=pos.y, z=pos.z}, + {x=pos.x+1, y=pos.y-1, z=pos.z}, + {x=pos.x-1, y=pos.y, z=pos.z}, + {x=pos.x-1, y=pos.y-1, z=pos.z}, + {x=pos.x, y=pos.y, z=pos.z+1}, + {x=pos.x, y=pos.y-1, z=pos.z+1}, + {x=pos.x, y=pos.y, z=pos.z-1}, + {x=pos.x, y=pos.y-1, z=pos.z-1}, + } + for _, p in pairs(positions) do + local check = check_node_around(p) + if check == 1 then water_nodes = water_nodes + 1 end + if check == 2 then lava_nodes = lava_nodes + 1 end + end + + 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 + + meta:set_string("infotext", + S("Geothermal %s Generator"):format("LV").." ("..production_level.."%)") + + if production_level > 0 and minetest.get_node(pos).name == "technic:geothermal" then + technic.swap_node (pos, "technic:geothermal_active") + return + end + if production_level == 0 then + technic.swap_node(pos, "technic:geothermal") + meta:set_int("LV_EU_supply", 0) + end +end + +minetest.register_node("technic:geothermal", { + description = S("Geothermal %s Generator"):format("LV"), + tiles = {"technic_geothermal_top.png", "technic_machine_bottom.png", "technic_geothermal_side.png", + "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"}, + paramtype2 = "facedir", + groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1}, + legacy_facedir_simple = true, + sounds = default.node_sound_wood_defaults(), + on_construct = function(pos) + local meta = minetest.get_meta(pos) + meta:set_string("infotext", S("Geothermal %s Generator"):format("LV")) + meta:set_int("LV_EU_supply", 0) + end, + technic_run = run, +}) + +minetest.register_node("technic:geothermal_active", { + description = S("Geothermal %s Generator"):format("LV"), + tiles = {"technic_geothermal_top_active.png", "technic_machine_bottom.png", "technic_geothermal_side.png", + "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"}, + paramtype2 = "facedir", + groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, not_in_creative_inventory=1}, + legacy_facedir_simple = true, + sounds = default.node_sound_wood_defaults(), + drop = "technic:geothermal", + technic_run = run, +}) + +technic.register_machine("LV", "technic:geothermal", technic.producer) +technic.register_machine("LV", "technic:geothermal_active", technic.producer) + |