--- /dev/null
+technic.compressor_recipes ={}
+
+technic.register_compressor_recipe = function(src, src_count, dst, dst_count)
+ technic.compressor_recipes[src] = {src_count = src_count, dst_name = dst, dst_count = dst_count}
+ if unified_inventory then
+ unified_inventory.register_craft(
+ {
+ type = "compressing",
+ output = dst.." "..dst_count,
+ items = {src.." "..src_count},
+ width = 0,
+ })
+ end
+end
+
+technic.get_compressor_recipe = function(item)
+ if technic.compressor_recipes[item.name] and
+ item.count >= technic.compressor_recipes[item.name].src_count then
+ return technic.compressor_recipes[item.name]
+ else
+ return nil
+ end
+end
+
+technic.register_compressor_recipe("default:snowblock", 1, "default:ice", 1)
+technic.register_compressor_recipe("default:sand", 1, "default:sandstone", 1)
+technic.register_compressor_recipe("default:desert_sand", 1, "default:desert_stone", 1)
+technic.register_compressor_recipe("technic:mixed_metal_ingot", 1, "technic:composite_plate", 1)
+technic.register_compressor_recipe("default:copper_ingot", 5, "technic:copper_plate", 1)
+technic.register_compressor_recipe("technic:coal_dust", 4, "technic:graphite", 1)
+technic.register_compressor_recipe("technic:carbon_cloth", 1, "technic:carbon_plate", 1)
+
+
+minetest.register_alias("compressor", "technic:compressor")
+minetest.register_craft({
+ output = 'technic:compressor',
+ recipe = {
+ {'default:stone', 'default:stone', 'default:stone'},
+ {'mesecons:piston', 'technic:motor', 'mesecons:piston'},
+ {'default:stone', 'technic:lv_cable', 'default:stone'},
+ }
+})
+
+minetest.register_craftitem("technic:compressor", {
+ description = "Compressor",
+ stack_max = 99,
+})
+
+local compressor_formspec =
+ "invsize[8,9;]"..
+ "label[0,0;Compressor]"..
+ "list[current_name;src;3,1;1,1;]"..
+ "list[current_name;dst;5,1;2,2;]"..
+ "list[current_player;main;0,5;8,4;]"
+
+minetest.register_node("technic:compressor", {
+ description = "Compressor",
+ tiles = {"technic_compressor_top.png", "technic_compressor_bottom.png", "technic_compressor_side.png",
+ "technic_compressor_side.png", "technic_compressor_back.png", "technic_compressor_front.png"},
+ paramtype2 = "facedir",
+ groups = {cracky=2},
+ legacy_facedir_simple = true,
+ sounds = default.node_sound_wood_defaults(),
+ on_construct = function(pos)
+ local meta = minetest.env:get_meta(pos)
+ meta:set_string("infotext", "Compressor")
+ meta:set_float("technic_power_machine", 1)
+ meta:set_string("formspec", compressor_formspec)
+ local inv = meta:get_inventory()
+ inv:set_size("src", 1)
+ inv:set_size("dst", 4)
+ end,
+ can_dig = function(pos,player)
+ local meta = minetest.env:get_meta(pos);
+ local inv = meta:get_inventory()
+ if not inv:is_empty("src") or not inv:is_empty("dst") then
+ minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
+ return false
+ else
+ return true
+ end
+ end,
+})
+
+minetest.register_node("technic:compressor_active", {
+ description = "Compressor",
+ tiles = {"technic_compressor_top.png", "technic_compressor_bottom.png", "technic_compressor_side.png",
+ "technic_compressor_side.png", "technic_compressor_back.png", "technic_compressor_front_active.png"},
+ paramtype2 = "facedir",
+ groups = {cracky=2,not_in_creative_inventory=1},
+ legacy_facedir_simple = true,
+ sounds = default.node_sound_wood_defaults(),
+ can_dig = function(pos,player)
+ local meta = minetest.env:get_meta(pos);
+ local inv = meta:get_inventory()
+ if not inv:is_empty("src") or not inv:is_empty("dst") then
+ minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
+ return false
+ else
+ return true
+ end
+ end,
+})
+
+minetest.register_abm({
+ nodenames = {"technic:compressor","technic:compressor_active"},
+ interval = 1,
+ chance = 1,
+ action = function(pos, node, active_object_count, active_object_count_wider)
+ -- Run a machine through its states. Takes the same arguments as the ABM action
+ -- and adds the machine's states and any extra data which is needed by the machine.
+ -- A machine is characterized by running through a set number of states (usually 2:
+ -- Idle and active) in some order. A state decides when to move to the next one
+ -- and the machine only changes state if it is powered correctly.
+ -- The machine will automatically shut down if disconnected from power in some fashion.
+ local meta = minetest.env:get_meta(pos)
+ local eu_input = meta:get_int("LV_EU_input")
+ local state = meta:get_int("state")
+ local next_state = state
+
+ -- Machine information
+ local machine_name = "Compressor"
+ local machine_node = "technic:compressor"
+ local machine_state_demand = { 50, 300 }
+
+ -- Setup meta data if it does not exist. state is used as an indicator of this
+ if state == 0 then
+ meta:set_int("state", 1)
+ meta:set_int("LV_EU_demand", machine_state_demand[1])
+ meta:set_int("LV_EU_input", 0)
+ return
+ end
+
+ -- Power off automatically if no longer connected to a switching station
+ technic.switching_station_timeout_count(pos, "LV")
+
+ -- State machine
+ if eu_input == 0 then
+ -- unpowered - go idle
+ hacky_swap_node(pos, machine_node)
+ meta:set_string("infotext", machine_name.." Unpowered")
+ next_state = 1
+ elseif eu_input == machine_state_demand[state] then
+ -- Powered - do the state specific actions
+
+ local inv = meta:get_inventory()
+ local empty = inv:is_empty("src")
+ local srcstack = inv:get_stack("src", 1)
+ local src_item = nil
+ local recipe = nil
+ local result = nil
+
+ if srcstack then
+ src_item = srcstack:to_table()
+ end
+ if src_item then
+ recipe = technic.get_compressor_recipe(src_item)
+ end
+ if recipe then
+ result = {name=recipe.dst_name, count=recipe.dst_count}
+ end
+
+ if state == 1 then
+ hacky_swap_node(pos, machine_node)
+ meta:set_string("infotext", machine_name.." Idle")
+
+ if not empty and result and inv:room_for_item("dst",result) then
+ meta:set_int("src_time", 0)
+ next_state = 2
+ end
+ elseif state == 2 then
+ hacky_swap_node(pos, machine_node.."_active")
+ meta:set_string("infotext", machine_name.." Active")
+
+ if empty then
+ next_state = 1
+ else
+ meta:set_int("src_time", meta:get_int("src_time") + 1)
+ if meta:get_int("src_time") == 4 then
+ -- 4 ticks per output
+ -- check if there's room for output in "dst" list
+
+ meta:set_int("src_time", 0)
+ if recipe and inv:room_for_item("dst",result) then
+ -- take stuff from "src" list
+ srcstack:take_item(recipe.src_count)
+ inv:set_stack("src", 1, srcstack)
+ -- Put result in "dst" list
+ inv:add_item("dst", result)
+ else
+ -- all full: go idle
+ next_state = 1
+ end
+ end
+ end
+ end
+ end
+ -- Change state?
+ if next_state ~= state then
+ meta:set_int("LV_EU_demand", machine_state_demand[next_state])
+ meta:set_int("state", next_state)
+ end
+ end
+})
+
+technic.register_LV_machine ("technic:compressor","RE")
+technic.register_LV_machine ("technic:compressor_active","RE")