Add compressor
authorRealBadAngel <mk@realbadangel.pl>
Mon, 15 Jul 2013 18:21:49 +0000 (20:21 +0200)
committerRealBadAngel <mk@realbadangel.pl>
Mon, 15 Jul 2013 18:21:49 +0000 (20:21 +0200)
technic/machines/lv/compressor.lua [new file with mode: 0644]
technic/machines/lv/init.lua

diff --git a/technic/machines/lv/compressor.lua b/technic/machines/lv/compressor.lua
new file mode 100644 (file)
index 0000000..41eb947
--- /dev/null
@@ -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")
index a95f78e5ac37486b3c2a3b6bc7b81ca11583a530..a82c3ecbd723121febe1dcc4578f680a3397edbb 100644 (file)
@@ -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")