Convert pistons to use 6D facedir (also prevent rotating when on, fixes #292)

This commit is contained in:
Carter Kolwey 2016-12-25 22:24:28 -06:00 committed by Jeija
parent 5e8c3584d1
commit 410f43bbc1
1 changed files with 117 additions and 461 deletions

View File

@ -1,44 +1,24 @@
-- Get mesecon rules of pistons
local piston_rules = {
{x=0, y=0, z=1}, --everything apart from z- (pusher side)
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=1, y=1, z=0},
{x=1, y=-1, z=0},
{x=-1, y=1, z=0},
{x=-1, y=-1, z=0},
{x=0, y=1, z=1},
{x=0, y=-1, z=1}
}
local piston_up_rules = {
{x=0, y=0, z=-1}, --everything apart from y+ (pusher side)
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=1, y=-1, z=0},
{x=-1, y=-1, z=0},
{x=0, y=-1, z=1},
{x=0, y=-1, z=-1}
}
local piston_down_rules = {
{x=0, y=0, z=-1}, --everything apart from y- (pusher side)
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=1, y=1, z=0},
{x=-1, y=1, z=0},
{x=0, y=1, z=1},
{x=0, y=1, z=-1}
}
local function piston_get_rules(node)
local rules = piston_rules
for i = 1, node.param2 do
rules = mesecon.rotate_rules_left(rules)
local piston_get_rules = function (node)
local all_rules ={
{x=0, y=0, z=1},
{x=0, y=0, z=-1},
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=1, y=1, z=0},
{x=1, y=-1, z=0},
{x=-1, y=1, z=0},
{x=-1, y=-1, z=0},
{x=0, y=1, z=1},
{x=0, y=-1, z=1},
{x=0, y=1, z=-1},
{x=0, y=-1, z=-1}}
local pusher_dir = vector.multiply(minetest.facedir_to_dir(node.param2),-1)
for k,v in ipairs(all_rules) do
if vector.equals(v,pusher_dir) then
table.remove(all_rules,k)
end
end
return rules
return all_rules
end
local function piston_facedir_direction(node)
@ -49,17 +29,9 @@ local function piston_facedir_direction(node)
return rules[1]
end
local function piston_get_direction(dir, node)
if type(dir) == "function" then
return dir(node)
else
return dir
end
end
local piston_remove_pusher = function(pos, node)
local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
local dir = piston_get_direction(pistonspec.dir, node)
local dir = vector.multiply(minetest.facedir_to_dir(node.param2),-1)
local pusherpos = vector.add(pos, dir)
local pushername = minetest.get_node(pusherpos).name
@ -79,8 +51,7 @@ end
local piston_on = function(pos, node)
local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
local dir = piston_get_direction(pistonspec.dir, node)
local dir = vector.multiply(minetest.facedir_to_dir(node.param2),-1)
local np = vector.add(pos, dir)
local maxpush = mesecon.setting("piston_max_push", 15)
local success, stack, oldstack = mesecon.mvps_push(np, dir, maxpush)
@ -101,41 +72,22 @@ local piston_off = function(pos, node)
local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
minetest.set_node(pos, {param2 = node.param2, name = pistonspec.offname})
piston_remove_pusher(pos, node)
if pistonspec.sticky then
local maxpull = mesecon.setting("piston_max_pull", 15)
local dir = piston_get_direction(pistonspec.dir, node)
local dir = vector.multiply(minetest.facedir_to_dir(node.param2),-1)
local pullpos = vector.add(pos, vector.multiply(dir, 2))
local stack = mesecon.mvps_pull_single(pullpos, vector.multiply(dir, -1), maxpull)
mesecon.mvps_process_stack(pos, dir, stack)
end
end
local piston_orientate = function(pos, placer)
-- not placed by player
if not placer then return end
-- placer pitch in degrees
local pitch = placer:get_look_pitch() * (180 / math.pi)
local node = minetest.get_node(pos)
local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
-- looking upwards (pitch > 55) / looking downwards (pitch < -55)
local nn = nil
if pitch > 55 then nn = {name = pistonspec.piston_down} end
if pitch < -55 then nn = {name = pistonspec.piston_up} end
if nn then
minetest.set_node(pos, nn)
-- minetest.after, because on_placenode for unoriented piston must be processed first
minetest.after(0, mesecon.on_placenode, pos, nn)
end
local piston_onrotate = function(pos,node,_,_,newparam2)
local node_copy = minetest.get_node(pos)
minetest.after(0,mesecon.on_dignode,pos,node)
node_copy.param2 = newparam2
minetest.after(0,mesecon.on_placenode,pos,node_copy)
end
-- Horizontal pistons
local pt = 3/16 -- pusher thickness
local piston_pusher_box = {
@ -161,8 +113,6 @@ local pistonspec_normal = {
onname = "mesecons_pistons:piston_normal_on",
dir = piston_facedir_direction,
pusher = "mesecons_pistons:piston_pusher_normal",
piston_down = "mesecons_pistons:piston_down_normal_off",
piston_up = "mesecons_pistons:piston_up_normal_off",
}
-- offstate
@ -178,8 +128,8 @@ minetest.register_node("mesecons_pistons:piston_normal_off", {
},
groups = {cracky = 3},
paramtype2 = "facedir",
after_place_node = piston_orientate,
mesecons_piston = pistonspec_normal,
on_rotate = piston_onrotate,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
@ -208,6 +158,7 @@ minetest.register_node("mesecons_pistons:piston_normal_on", {
node_box = piston_on_box,
selection_box = piston_on_box,
mesecons_piston = pistonspec_normal,
on_rotate = false,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
@ -229,6 +180,7 @@ minetest.register_node("mesecons_pistons:piston_pusher_normal", {
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
on_rotate = false,
corresponding_piston = "mesecons_pistons:piston_normal_on",
selection_box = piston_pusher_box,
node_box = piston_pusher_box,
@ -242,8 +194,6 @@ local pistonspec_sticky = {
dir = piston_facedir_direction,
pusher = "mesecons_pistons:piston_pusher_sticky",
sticky = true,
piston_down = "mesecons_pistons:piston_down_sticky_off",
piston_up = "mesecons_pistons:piston_up_sticky_off",
}
-- offstate
@ -259,7 +209,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_off", {
},
groups = {cracky = 3},
paramtype2 = "facedir",
after_place_node = piston_orientate,
on_rotate = piston_onrotate,
mesecons_piston = pistonspec_sticky,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
@ -289,6 +239,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_on", {
node_box = piston_on_box,
selection_box = piston_on_box,
mesecons_piston = pistonspec_sticky,
on_rotate = false,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
@ -310,377 +261,12 @@ minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
on_rotate = false,
corresponding_piston = "mesecons_pistons:piston_sticky_on",
selection_box = piston_pusher_box,
node_box = piston_pusher_box,
})
--
--
-- UP
--
--
local piston_up_pusher_box = {
type = "fixed",
fixed = {
{-2/16, -.5 - pt, -2/16, 2/16, .5 - pt, 2/16},
{-.5 , .5 - pt, -.5 , .5 , .5 , .5},
}
}
local piston_up_on_box = {
type = "fixed",
fixed = {
{-.5, -.5, -.5 , .5, .5-pt, .5}
}
}
-- Normal
local pistonspec_normal_up = {
offname = "mesecons_pistons:piston_up_normal_off",
onname = "mesecons_pistons:piston_up_normal_on",
dir = {x = 0, y = 1, z = 0},
pusher = "mesecons_pistons:piston_up_pusher_normal"
}
-- offstate
minetest.register_node("mesecons_pistons:piston_up_normal_off", {
tiles = {
"mesecons_piston_pusher_front.png",
"mesecons_piston_back.png",
"mesecons_piston_left.png^[transformR270",
"mesecons_piston_right.png^[transformR90",
"mesecons_piston_bottom.png",
"mesecons_piston_top.png^[transformR180",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_normal_off",
mesecons_piston = pistonspec_normal_up,
mesecons = {effector={
action_on = piston_on,
rules = piston_up_rules,
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_up_normal_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_on_front.png",
"mesecons_piston_back.png",
"mesecons_piston_left.png^[transformR270",
"mesecons_piston_right.png^[transformR90",
"mesecons_piston_bottom.png",
"mesecons_piston_top.png^[transformR180",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype = "light",
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_normal_off",
after_dig_node = piston_remove_pusher,
node_box = piston_up_on_box,
selection_box = piston_up_on_box,
mesecons_piston = pistonspec_normal_up,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_up_rules,
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_front.png",
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_left.png^[transformR270",
"mesecons_piston_pusher_right.png^[transformR90",
"mesecons_piston_pusher_bottom.png",
"mesecons_piston_pusher_top.png^[transformR180",
},
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
corresponding_piston = "mesecons_pistons:piston_up_normal_on",
selection_box = piston_up_pusher_box,
node_box = piston_up_pusher_box,
})
-- Sticky
local pistonspec_sticky_up = {
offname = "mesecons_pistons:piston_up_sticky_off",
onname = "mesecons_pistons:piston_up_sticky_on",
dir = {x = 0, y = 1, z = 0},
pusher = "mesecons_pistons:piston_up_pusher_sticky",
sticky = true
}
-- offstate
minetest.register_node("mesecons_pistons:piston_up_sticky_off", {
tiles = {
"mesecons_piston_pusher_front_sticky.png",
"mesecons_piston_back.png",
"mesecons_piston_left.png^[transformR270",
"mesecons_piston_right.png^[transformR90",
"mesecons_piston_bottom.png",
"mesecons_piston_top.png^[transformR180",
"mesecons_piston_tb.png"
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_sticky_off",
mesecons_piston = pistonspec_sticky_up,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
rules = piston_up_rules,
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_up_sticky_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_on_front.png",
"mesecons_piston_back.png",
"mesecons_piston_left.png^[transformR270",
"mesecons_piston_right.png^[transformR90",
"mesecons_piston_bottom.png",
"mesecons_piston_top.png^[transformR180",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype = "light",
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_normal_off",
after_dig_node = piston_remove_pusher,
node_box = piston_up_on_box,
selection_box = piston_up_on_box,
mesecons_piston = pistonspec_sticky_up,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_up_rules,
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_front_sticky.png",
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_left.png^[transformR270",
"mesecons_piston_pusher_right.png^[transformR90",
"mesecons_piston_pusher_bottom.png",
"mesecons_piston_pusher_top.png^[transformR180",
},
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
corresponding_piston = "mesecons_pistons:piston_up_sticky_on",
selection_box = piston_up_pusher_box,
node_box = piston_up_pusher_box,
})
--
--
-- DOWN
--
--
local piston_down_pusher_box = {
type = "fixed",
fixed = {
{-2/16, -.5 + pt, -2/16, 2/16, .5 + pt, 2/16},
{-.5 , -.5 , -.5 , .5 , -.5 + pt, .5},
}
}
local piston_down_on_box = {
type = "fixed",
fixed = {
{-.5, -.5+pt, -.5 , .5, .5, .5}
}
}
-- Normal
local pistonspec_normal_down = {
offname = "mesecons_pistons:piston_down_normal_off",
onname = "mesecons_pistons:piston_down_normal_on",
dir = {x = 0, y = -1, z = 0},
pusher = "mesecons_pistons:piston_down_pusher_normal",
}
-- offstate
minetest.register_node("mesecons_pistons:piston_down_normal_off", {
tiles = {
"mesecons_piston_back.png",
"mesecons_piston_pusher_front.png",
"mesecons_piston_left.png^[transformR90",
"mesecons_piston_right.png^[transformR270",
"mesecons_piston_bottom.png^[transformR180",
"mesecons_piston_top.png",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_normal_off",
mesecons_piston = pistonspec_normal_down,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
rules = piston_down_rules,
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_down_normal_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_back.png",
"mesecons_piston_on_front.png",
"mesecons_piston_left.png^[transformR90",
"mesecons_piston_right.png^[transformR270",
"mesecons_piston_bottom.png^[transformR180",
"mesecons_piston_top.png",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype = "light",
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_normal_off",
after_dig_node = piston_remove_pusher,
node_box = piston_down_on_box,
selection_box = piston_down_on_box,
mesecons_piston = pistonspec_normal_down,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_down_rules,
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_front.png",
"mesecons_piston_pusher_left.png^[transformR90",
"mesecons_piston_pusher_right.png^[transformR270",
"mesecons_piston_pusher_bottom.png^[transformR180",
"mesecons_piston_pusher_top.png",
},
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
corresponding_piston = "mesecons_pistons:piston_down_normal_on",
selection_box = piston_down_pusher_box,
node_box = piston_down_pusher_box,
})
-- Sticky
local pistonspec_sticky_down = {
onname = "mesecons_pistons:piston_down_sticky_on",
offname = "mesecons_pistons:piston_down_sticky_off",
dir = {x = 0, y = -1, z = 0},
pusher = "mesecons_pistons:piston_down_pusher_sticky",
sticky = true
}
-- offstate
minetest.register_node("mesecons_pistons:piston_down_sticky_off", {
tiles = {
"mesecons_piston_back.png",
"mesecons_piston_pusher_front_sticky.png",
"mesecons_piston_left.png^[transformR90",
"mesecons_piston_right.png^[transformR270",
"mesecons_piston_bottom.png^[transformR180",
"mesecons_piston_top.png",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_sticky_off",
mesecons_piston = pistonspec_sticky_down,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
rules = piston_down_rules,
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_down_sticky_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_back.png",
"mesecons_piston_on_front.png",
"mesecons_piston_left.png^[transformR90",
"mesecons_piston_right.png^[transformR270",
"mesecons_piston_bottom.png^[transformR180",
"mesecons_piston_top.png",
},
inventory_image = "mesecons_piston_top.png",
wield_image = "mesecons_piston_top.png",
groups = {cracky = 3, not_in_creative_inventory = 1},
paramtype = "light",
paramtype2 = "facedir",
drop = "mesecons_pistons:piston_sticky_off",
after_dig_node = piston_remove_pusher,
node_box = piston_down_on_box,
selection_box = piston_down_on_box,
mesecons_piston = pistonspec_sticky_down,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_down_rules,
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_down_pusher_sticky", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_front_sticky.png",
"mesecons_piston_pusher_left.png^[transformR90",
"mesecons_piston_pusher_right.png^[transformR270",
"mesecons_piston_pusher_bottom.png^[transformR180",
"mesecons_piston_pusher_top.png",
},
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
corresponding_piston = "mesecons_pistons:piston_down_sticky_on",
selection_box = piston_down_pusher_box,
node_box = piston_down_pusher_box,
})
-- Register pushers as stoppers if they would be seperated from the piston
local piston_pusher_get_stopper = function (node, dir, stack, stackid)
if (stack[stackid + 1]
@ -707,13 +293,6 @@ end
mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_normal", piston_pusher_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_sticky", piston_pusher_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal", piston_pusher_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky", piston_pusher_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal", piston_pusher_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky", piston_pusher_up_down_get_stopper)
-- Register pistons as stoppers if they would be seperated from the stopper
local piston_up_down_get_stopper = function (node, dir, stack, stackid)
if (stack[stackid + 1]
@ -745,12 +324,6 @@ end
mesecon.register_mvps_stopper("mesecons_pistons:piston_normal_on", piston_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_sticky_on", piston_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_up_normal_on", piston_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_up_sticky_on", piston_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_down_normal_on", piston_up_down_get_stopper)
mesecon.register_mvps_stopper("mesecons_pistons:piston_down_sticky_on", piston_up_down_get_stopper)
--craft recipes
minetest.register_craft({
output = "mesecons_pistons:piston_normal_off 2",
@ -768,3 +341,86 @@ minetest.register_craft({
{"mesecons_pistons:piston_normal_off"},
}
})
-- LBMs to convert old pistons to use facedir instead of separate up/down nodes
minetest.register_lbm({
label = "Convert up pistons to use facedir",
name = "mesecons_pistons:update_up_pistons",
nodenames = {"mesecons_pistons:piston_up_normal_on","mesecons_pistons:piston_up_normal_off",
"mesecons_pistons:piston_up_sticky_on","mesecons_pistons:piston_up_sticky_off"},
action = function(pos,node)
if string.find(node.name,"sticky") then
if string.sub(node.name,-3,-1) == "_on" then
node.name = "mesecons_pistons:piston_sticky_on"
else
node.name = "mesecons_pistons:piston_sticky_off"
end
else
if string.sub(node.name,-3,-1) == "_on" then
node.name = "mesecons_pistons:piston_normal_on"
else
node.name = "mesecons_pistons:piston_normal_off"
end
end
local dir = {x=0,y=-1,z=0}
node.param2 = minetest.dir_to_facedir(dir,true)
minetest.swap_node(pos,node)
end
})
minetest.register_lbm({
label = "Convert down pistons to use facedir",
name = "mesecons_pistons:update_down_pistons",
nodenames = {"mesecons_pistons:piston_down_normal_on","mesecons_pistons:piston_down_normal_off",
"mesecons_pistons:piston_down_sticky_on","mesecons_pistons:piston_down_sticky_off"},
action = function(pos,node)
if string.find(node.name,"sticky") then
if string.sub(node.name,-3,-1) == "_on" then
node.name = "mesecons_pistons:piston_sticky_on"
else
node.name = "mesecons_pistons:piston_sticky_off"
end
else
if string.sub(node.name,-3,-1) == "_on" then
node.name = "mesecons_pistons:piston_normal_on"
else
node.name = "mesecons_pistons:piston_normal_off"
end
end
local dir = {x=0,y=1,z=0}
node.param2 = minetest.dir_to_facedir(dir,true)
minetest.swap_node(pos,node)
end
})
minetest.register_lbm({
label = "Convert up piston pushers to use facedir",
name = "mesecons_pistons:update_up_pushers",
nodenames = {"mesecons_pistons:piston_up_pusher_normal","mesecons_pistons:piston_up_pusher_sticky"},
action = function(pos,node)
if string.find(node.name,"sticky") then
node.name = "mesecons_pistons:piston_pusher_sticky"
else
node.name = "mesecons_pistons:piston_pusher_normal"
end
local dir = {x=0,y=-1,z=0}
node.param2 = minetest.dir_to_facedir(dir,true)
minetest.swap_node(pos,node)
end
})
minetest.register_lbm({
label = "Convert down piston pushers to use facedir",
name = "mesecons_pistons:update_down_pushers",
nodenames = {"mesecons_pistons:piston_down_pusher_normal","mesecons_pistons:piston_down_pusher_sticky"},
action = function(pos,node)
if string.find(node.name,"sticky") then
node.name = "mesecons_pistons:piston_pusher_sticky"
else
node.name = "mesecons_pistons:piston_pusher_normal"
end
local dir = {x=0,y=1,z=0}
node.param2 = minetest.dir_to_facedir(dir,true)
minetest.swap_node(pos,node)
end
})