--- /dev/null
+-- MV grinder
+
+minetest.register_craft({
+ output = 'technic:mv_grinder',
+ recipe = {
+ {'technic:stainless_steel_ingot', 'technic:grinder', 'technic:stainless_steel_ingot'},
+ {'pipeworks:tube_000000', 'technic:mv_transformer', 'pipeworks:tube_000000'},
+ {'technic:stainless_steel_ingot', 'technic:mv_cable', 'technic:stainless_steel_ingot'},
+ }
+})
+minetest.register_craftitem("technic:mv_grinder", {
+ description = "MV Grinder",
+ stack_max = 99,
+})
+
+local mv_grinder_formspec =
+ "invsize[8,10;]"..
+ "list[current_name;src;3,1;1,1;]"..
+ "list[current_name;dst;5,1;2,2;]"..
+ "list[current_player;main;0,6;8,4;]"..
+ "label[0,0;MV Grinder]"..
+ "list[current_name;upgrade1;1,4;1,1;]"..
+ "list[current_name;upgrade2;2,4;1,1;]"..
+ "label[1,5;Upgrade Slots]"
+
+minetest.register_node(
+"technic:mv_grinder",
+{
+ description = "MV Grinder",
+ tiles = {"technic_mv_grinder_top.png", "technic_mv_grinder_bottom.png", "technic_mv_grinder_side.png",
+ "technic_mv_grinder_side.png", "technic_mv_grinder_side.png", "technic_mv_grinder_front.png"},
+ paramtype2 = "facedir",
+ groups = {cracky=2, tubedevice=1,tubedevice_receiver=1,},
+ tube={insert_object=function(pos,node,stack,direction)
+ local meta=minetest.env:get_meta(pos)
+ local inv=meta:get_inventory()
+ return inv:add_item("src",stack)
+ end,
+ can_insert=function(pos,node,stack,direction)
+ local meta=minetest.env:get_meta(pos)
+ local inv=meta:get_inventory()
+ return inv:room_for_item("src",stack)
+ end,
+ },
+ 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", "MV Grinder")
+ meta:set_float("technic_mv_power_machine", 1)
+ meta:set_int("tube_time", 0)
+ meta:set_string("formspec", mv_grinder_formspec)
+ local inv = meta:get_inventory()
+ inv:set_size("src", 1)
+ inv:set_size("dst", 4)
+ inv:set_size("upgrade1", 1)
+ inv:set_size("upgrade2", 1)
+ 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") or not inv:is_empty("upgrade1") or not inv:is_empty("upgrade2") 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:mv_grinder_active",
+ {
+ description = "Grinder",
+ tiles = {"technic_mv_grinder_top.png", "technic_mv_grinder_bottom.png", "technic_mv_grinder_side.png",
+ "technic_mv_grinder_side.png", "technic_mv_grinder_side.png", "technic_mv_grinder_front_active.png"},
+ paramtype2 = "facedir",
+ groups = {cracky=2,tubedevice=1,tubedevice_receiver=1,not_in_creative_inventory=1},
+ tube={ insert_object=function(pos,node,stack,direction)
+ local meta=minetest.env:get_meta(pos)
+ local inv=meta:get_inventory()
+ return inv:add_item("src",stack)
+ end,
+ can_insert=function(pos,node,stack,direction)
+ local meta=minetest.env:get_meta(pos)
+ local inv=meta:get_inventory()
+ return inv:room_for_item("src",stack)
+ end,
+ },
+ 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") or not inv:is_empty("upgrade1") or not inv:is_empty("upgrade2") 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,
+ -- These three makes sure upgrades are not moved in or out while the grinder is active.
+ allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+ if listname == "src" or listname == "dst" then
+ return 99
+ else
+ return 0 -- Disallow the move
+ end
+ end,
+ allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+ if listname == "src" or listname == "dst" then
+ return 99
+ else
+ return 0 -- Disallow the move
+ end
+ end,
+ allow_metadata_inventory_move = function(pos, from_list, to_list, to_list, to_index, count, player)
+ return 0
+ end,
+ })
+
+local send_grinded_items = function(pos,x_velocity,z_velocity)
+ -- Send items on their way in the pipe system.
+ local meta=minetest.env:get_meta(pos)
+ local inv = meta:get_inventory()
+ local i=0
+ for _,stack in ipairs(inv:get_list("dst")) do
+ i=i+1
+ if stack then
+ local item0=stack:to_table()
+ if item0 then
+ item0["count"]="1"
+ local item1=tube_item({x=pos.x,y=pos.y,z=pos.z},item0)
+ item1:get_luaentity().start_pos = {x=pos.x,y=pos.y,z=pos.z}
+ item1:setvelocity({x=x_velocity, y=0, z=z_velocity})
+ item1:setacceleration({x=0, y=0, z=0})
+ stack:take_item(1);
+ inv:set_stack("dst", i, stack)
+ return
+ end
+ end
+ end
+end
+
+minetest.register_abm(
+ { nodenames = {"technic:mv_grinder","technic:mv_grinder_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("MV_EU_input")
+ local state = meta:get_int("state")
+ local next_state = state
+
+ -- Machine information
+ local machine_name = "MV Grinder"
+ local machine_node = "technic:mv_grinder"
+ local machine_state_demand = { 50, 600, 450, 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("MV_EU_demand", machine_state_demand[1])
+ meta:set_int("MV_EU_input", 0)
+ return
+ end
+
+ -- Power off automatically if no longer connected to a switching station
+ technic.switching_station_timeout_count(pos, "MV")
+
+ -- 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")
+
+ -- get the names of the upgrades
+ local upg_item1
+ local upg_item1_name=""
+ local upg_item2
+ local upg_item2_name=""
+ local srcstack = inv:get_stack("upgrade1", 1)
+ if srcstack then upg_item1=srcstack:to_table() end
+ srcstack = inv:get_stack("upgrade2", 1)
+ if srcstack then upg_item2=srcstack:to_table() end
+ if upg_item1 then upg_item1_name=upg_item1.name end
+ if upg_item2 then upg_item2_name=upg_item2.name end
+
+ -- Save some power by installing battery upgrades. Fully upgraded makes this
+ -- furnace use the same amount of power as the LV version
+ local EU_saving_upgrade = 0
+ if upg_item1_name=="technic:battery" then EU_saving_upgrade = EU_saving_upgrade + 1 end
+ if upg_item2_name=="technic:battery" then EU_saving_upgrade = EU_saving_upgrade + 1 end
+
+ -- Tube loading speed can be upgraded using control logic units
+ local tube_speed_upgrade = 0
+ if upg_item1_name=="technic:control_logic_unit" then tube_speed_upgrade = tube_speed_upgrade + 1 end
+ if upg_item2_name=="technic:control_logic_unit" then tube_speed_upgrade = tube_speed_upgrade + 1 end
+
+ -- Handle pipeworks (consumes tube_speed_upgrade)
+ local pos1={x=pos.x, y=pos.y, z=pos.z}
+ local x_velocity=0
+ local z_velocity=0
+
+ -- Output is on the left side of the furnace
+ if node.param2==3 then pos1.z=pos1.z-1 z_velocity =-1 end
+ if node.param2==2 then pos1.x=pos1.x-1 x_velocity =-1 end
+ if node.param2==1 then pos1.z=pos1.z+1 z_velocity = 1 end
+ if node.param2==0 then pos1.x=pos1.x+1 x_velocity = 1 end
+
+ local output_tube_connected = false
+ local meta1 = minetest.env:get_meta(pos1)
+ if meta1:get_int("tubelike") == 1 then
+ output_tube_connected=true
+ end
+ tube_time = meta:get_int("tube_time")
+ tube_time = tube_time + tube_speed_upgrade
+ if tube_time > 3 then
+ tube_time = 0
+ if output_tube_connected then
+ send_grinded_items(pos,x_velocity,z_velocity)
+ end
+ end
+ meta:set_int("tube_time", tube_time)
+
+ -- The machine shuts down if we have nothing to grind and no tube is connected
+ -- or if we have nothing to send with a tube connected.
+ if (not output_tube_connected and inv:is_empty("src"))
+ or ( output_tube_connected and inv:is_empty("dst")) then
+ next_state = 1
+ end
+
+ if state == 1 then
+ hacky_swap_node(pos, machine_node)
+ meta:set_string("infotext", machine_name.." Idle")
+
+ local result = technic.get_grinder_recipe(inv:get_stack("src", 1))
+ if not empty and result and inv:room_for_item("dst",result) then
+ meta:set_int("src_time", 0)
+ next_state = 2+EU_saving_upgrade
+ end
+
+ elseif state == 2 or state == 3 or state == 4 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
+ local result = technic.get_grinder_recipe(inv:get_stack("src", 1))
+
+ meta:set_int("src_time", 0)
+ if inv:room_for_item("dst",result) then
+ -- take stuff from "src" list
+ srcstack = inv:get_stack("src", 1)
+ srcstack:take_item()
+ 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("MV_EU_demand", machine_state_demand[next_state])
+ meta:set_int("state", next_state)
+ end
+ end
+})
+
+technic.register_MV_machine ("technic:mv_grinder","RE")
+technic.register_MV_machine ("technic:mv_grinder_active","RE")
\ No newline at end of file