diff --git a/technic/machines/lv/compressor.lua b/technic/machines/lv/compressor.lua new file mode 100644 index 0000000..41eb947 --- /dev/null +++ b/technic/machines/lv/compressor.lua @@ -0,0 +1,207 @@ +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") diff --git a/technic/machines/lv/init.lua b/technic/machines/lv/init.lua index a95f78e..a82c3ec 100644 --- a/technic/machines/lv/init.lua +++ b/technic/machines/lv/init.lua @@ -16,4 +16,4 @@ dofile(path.."/cnc.lua") dofile(path.."/cnc_api.lua") dofile(path.."/cnc_nodes.lua") dofile(path.."/extractor.lua") - +dofile(path.."/compressor.lua")