2020-07-14 18:26:42 +02:00
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mesecons_autowire.pos1 = nil
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mesecons_autowire.pos2 = nil
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-- a bit of a weld (TODO: fix that)
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function is_circuit_element(pos)
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local node = minetest.get_node(pos)
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local name = node.name
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local m = string.match(name,"^mesecons_")
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if m ~= nil then
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return true
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else
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return false
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end
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end
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local function put_node(pos,node)
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minetest.set_node(pos,node)
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mesecon.on_placenode(pos,node)
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end
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function get_neigh_pins(p)
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return {
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u = get_pins_sticky( { x=p.x, y=p.y, z=p.z+1 } ).d,
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d = get_pins_sticky( { x=p.x, y=p.y, z=p.z-1 } ).u,
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l = get_pins_sticky( { x=p.x-1, y=p.y, z=p.z } ).r,
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r = get_pins_sticky( { x=p.x+1, y=p.y, z=p.z } ).l
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}
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end
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local map2 = {
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{{"mesecons_insulated:insulated_off",1}, {u=1,d=0,l=0,r=0}},
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{{"mesecons_insulated:insulated_off",1}, {u=0,d=1,l=0,r=0}},
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{{"mesecons_insulated:insulated_off",0}, {u=0,d=0,l=1,r=0}},
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{{"mesecons_insulated:insulated_off",0}, {u=0,d=0,l=0,r=1}},
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}
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function pins_to_wire(pins)
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for _,v in ipairs(mesecons_autowire.map) do
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local p = v[2]
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local name = v[1][1]
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local param2 = v[1][2]
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if( eq_pins(p,pins) ) then
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return { name = name, param2 = param2 }
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end
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end
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for _,v in ipairs(map2) do
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local p = v[2]
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local name = v[1][1]
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local param2 = v[1][2]
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if( eq_pins(p,pins) ) then
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return { name = name, param2 = param2 }
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end
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end
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return {name ="air" }
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end
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function merge(pos,direc)
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local node = minetest.get_node(pos)
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local name = node.name
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local param2 = node.param2
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if( (not is_wire(pos)) and (not (name == "air") )) then return end
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-- exception (dont change)
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if ( name == "mesecons_extrawires:crossover_off" ) or
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( name == "mesecons_extrawires:crossover_on") or
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( name == "mesecons_extrawires:crossover_10") or
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( name == "mesecons_extrawires:crossover_01")
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then
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return
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end
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-- end of exception
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local pins = and_pins(get_pins(pos),get_neigh_pins(pos))
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local final_pins = or_pins(pins, direc_to_pin(direc))
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local node = pins_to_wire(final_pins)
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put_node(pos,node)
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end
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function merge_start(pos,direction_from)
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merge(pos,direction_from)
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end
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function merge_end(pos,direction_from)
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if( direction_from == "u" ) then
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merge(pos,"d")
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elseif( direction_from == "d" ) then
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merge(pos,"u")
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elseif( direction_from == "l" ) then
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merge(pos,"r")
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elseif( direction_from == "r" ) then
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merge(pos,"l")
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end
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end
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function jump(pos,direc)
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local node = minetest.get_node(pos)
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local name = node.name
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local param2 = node.param2
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if( name == "mesecons_insulated:insulated_off" or name == "mesecons_insulated:insulated_on" ) then
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if( direc == "u" or direc == "d" ) then
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if( param2 == 0 or param2 == 2 ) then
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put_node(pos, {name ="mesecons_extrawires:crossover_off"});
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elseif ( param2 == 1 or param2 == 3) then
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--nothing
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end
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elseif( direc == "l" or direc == "r" ) then
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if( param2 == 0 or param2 == 2 ) then
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--nothing
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elseif ( param2 == 1 or param2 == 3) then
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put_node(pos, {name ="mesecons_extrawires:crossover_off"});
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end
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end
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end
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if( name == "air" ) then
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if( direc == "u" or direc == "d" ) then
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put_node(pos, {name ="mesecons_insulated:insulated_off",param2=1});
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elseif( direc == "l" or direc == "r" ) then
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put_node(pos, {name ="mesecons_insulated:insulated_off",param2=0});
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end
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end
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end
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function next_pos(pos,direc)
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local p = pos
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if( direc == "u" ) then
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p.z = p.z + 1
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elseif( direc == "d" ) then
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p.z = p.z - 1
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elseif( direc == "l" ) then
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p.x = p.x -1
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elseif( direc == "r" ) then
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p.x = p.x + 1
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end
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return p
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end
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function eq_pos(p1,p2)
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if( (p1.x==p2.x) and (p1.y==p2.y) and (p1.z==p2.z) ) then
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return true
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else
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return false
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end
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end
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function make_wire(p1,p2,direc)
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local current = p1
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merge_start(current,direc)
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current = next_pos(current,direc)
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while(not eq_pos(current,p2)) do
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jump(current,direc)
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current = next_pos(current,direc)
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end
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merge_end(current,direc)
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end
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function do_work()
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if(not mesecons_autowire.pos1 ) then
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return false
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end
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if(not mesecons_autowire.pos2 ) then
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return false
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end
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local pos1 = mesecons_autowire.pos1
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local pos2 = mesecons_autowire.pos2
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if( pos1.y~=pos2.y) then
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return false
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end
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if( (pos1.x==pos2.x) and (pos1.z==pos2.z) ) then
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return false
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end
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if( (pos1.x~=pos2.x) and (pos1.z~=pos2.z) ) then
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return false
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end
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local direc = ""
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if( pos1.z == pos2.z ) then
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if( pos1.x < pos2.x ) then
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direc = "r"
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else
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direc = "l"
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end
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elseif( pos1.x == pos2.x ) then
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if( pos1.z < pos2.z ) then
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direc = "u"
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else
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direc = "d"
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end
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end
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if( direc == "" ) then return end
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make_wire(pos1,pos2,direc)
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return true
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end
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minetest.register_craftitem("mesecons_autowire:wire", {
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description = "Tool Autowire",
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inventory_image = "tool_autowire.png",
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stack_max = 1,
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groups = { tool =1 },
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on_use = function(itemstack, user, pointed_thing)
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if pointed_thing.type ~= "node" then return end
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local node_pos = pointed_thing.under
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if( is_circuit_element(node_pos) ) then
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mesecons_autowire.pos1 = node_pos
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else
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mesecons_autowire.pos1 = pointed_thing.above
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end
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2020-07-18 13:41:25 +02:00
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2020-07-19 02:09:39 +02:00
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2020-07-14 18:26:42 +02:00
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end,
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on_place = function(itemstack, user, pointed_thing)
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if not pointed_thing then return end
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if pointed_thing.type ~= "node" then return end
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local node_pos = pointed_thing.under
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if( is_circuit_element(node_pos) ) then
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mesecons_autowire.pos2 = node_pos
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else
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mesecons_autowire.pos2 = pointed_thing.above
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end
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if (do_work()) then
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mesecons_autowire.pos1 = mesecons_autowire.pos2
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mesecons_autowire.pos2 = nil
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end
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end
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})
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