mesecons/mesecons_pistons/init.lua
Jeija c326dc221a Rewrite Logic Gates: Makes it super-easy to add new gates and cleans up code
Fix bugs in the Luacontroller (when placing, false input pin values were given) and fix variables
leaking into the global environment in pistons.
2014-11-29 15:08:37 +01:00

761 lines
22 KiB
Lua

-- Get mesecon rules of pistons
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 piston_get_rules = function (node)
local rules = piston_rules
for i = 1, node.param2 do
rules = mesecon.rotate_rules_left(rules)
end
return rules
end
piston_facedir_direction = function (node)
local rules = {{x = 0, y = 0, z = -1}}
for i = 1, node.param2 do
rules = mesecon.rotate_rules_left(rules)
end
return rules[1]
end
piston_get_direction = function(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 pusherpos = mesecon.addPosRule(pos, dir)
local pushername = minetest.get_node(pusherpos).name
-- make sure there actually is a pusher (for compatibility reasons mainly)
if pushername ~= pistonspec.pusher then
return
end
minetest.remove_node(pusherpos)
minetest.sound_play("piston_retract", {
pos = pos,
max_hear_distance = 20,
gain = 0.3,
})
nodeupdate(pusherpos)
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 np = mesecon.addPosRule(pos, dir)
local maxpush = mesecon.setting("piston_max_push", 15)
local success, stack, oldstack = mesecon.mvps_push(np, dir, maxpush)
if success then
minetest.add_node(pos, {param2 = node.param2, name = pistonspec.onname})
minetest.add_node(np, {param2 = node.param2, name = pistonspec.pusher})
minetest.sound_play("piston_extend", {
pos = pos,
max_hear_distance = 20,
gain = 0.3,
})
mesecon.mvps_process_stack (stack)
mesecon.mvps_move_objects (np, dir, oldstack)
end
end
local piston_off = function(pos, node)
local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
minetest.add_node(pos, {param2 = node.param2, name = pistonspec.offname})
piston_remove_pusher(pos, node)
if pistonspec.sticky then
local dir = piston_get_direction(pistonspec.dir, node)
local pullpos = mesecon.addPosRule(pos, dir)
local stack = mesecon.mvps_pull_single(pullpos, dir)
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
if pitch > 55 then --looking upwards
minetest.add_node(pos, {name=pistonspec.piston_down})
elseif pitch < -55 then --looking downwards
minetest.add_node(pos, {name=pistonspec.piston_up})
end
end
-- Horizontal pistons
local pt = 3/16 -- pusher thickness
local piston_pusher_box = {
type = "fixed",
fixed = {
{-2/16, -2/16, -.5 + pt, 2/16, 2/16, .5 + pt},
{-.5 , -.5 , -.5 , .5 , .5 , -.5 + pt},
}
}
local piston_on_box = {
type = "fixed",
fixed = {
{-.5, -.5, -.5 + pt, .5, .5, .5}
}
}
-- Normal (non-sticky) ones:
local pistonspec_normal = {
offname = "mesecons_pistons:piston_normal_off",
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
minetest.register_node("mesecons_pistons:piston_normal_off", {
description = "Piston",
tiles = {
"mesecons_piston_top.png",
"mesecons_piston_bottom.png",
"mesecons_piston_left.png",
"mesecons_piston_right.png",
"mesecons_piston_back.png",
"mesecons_piston_pusher_front.png"
},
groups = {cracky = 3},
paramtype2 = "facedir",
after_place_node = piston_orientate,
mesecons_piston = pistonspec_normal,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
rules = piston_get_rules
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_normal_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_top.png",
"mesecons_piston_bottom.png",
"mesecons_piston_left.png",
"mesecons_piston_right.png",
"mesecons_piston_back.png",
"mesecons_piston_on_front.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_on_box,
selection_box = piston_on_box,
mesecons_piston = pistonspec_normal,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_get_rules
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_pusher_normal", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_top.png",
"mesecons_piston_pusher_bottom.png",
"mesecons_piston_pusher_left.png",
"mesecons_piston_pusher_right.png",
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_front.png"
},
paramtype = "light",
paramtype2 = "facedir",
diggable = false,
corresponding_piston = "mesecons_pistons:piston_normal_on",
selection_box = piston_pusher_box,
node_box = piston_pusher_box,
})
-- Sticky ones
local pistonspec_sticky = {
offname = "mesecons_pistons:piston_sticky_off",
onname = "mesecons_pistons:piston_sticky_on",
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
minetest.register_node("mesecons_pistons:piston_sticky_off", {
description = "Sticky Piston",
tiles = {
"mesecons_piston_top.png",
"mesecons_piston_bottom.png",
"mesecons_piston_left.png",
"mesecons_piston_right.png",
"mesecons_piston_back.png",
"mesecons_piston_pusher_front_sticky.png"
},
groups = {cracky = 3},
paramtype2 = "facedir",
after_place_node = piston_orientate,
mesecons_piston = pistonspec_sticky,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_on = piston_on,
rules = piston_get_rules
}}
})
-- onstate
minetest.register_node("mesecons_pistons:piston_sticky_on", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_top.png",
"mesecons_piston_bottom.png",
"mesecons_piston_left.png",
"mesecons_piston_right.png",
"mesecons_piston_back.png",
"mesecons_piston_on_front.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_on_box,
selection_box = piston_on_box,
mesecons_piston = pistonspec_sticky,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector={
action_off = piston_off,
rules = piston_get_rules
}}
})
-- pusher
minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
drawtype = "nodebox",
tiles = {
"mesecons_piston_pusher_top.png",
"mesecons_piston_pusher_bottom.png",
"mesecons_piston_pusher_left.png",
"mesecons_piston_pusher_right.png",
"mesecons_piston_pusher_back.png",
"mesecons_piston_pusher_front_sticky.png"
},
paramtype = "light",
paramtype2 = "facedir",
diggable = 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]
and stack[stackid + 1].node.name == minetest.registered_nodes[node.name].corresponding_piston
and stack[stackid + 1].node.param2 == node.param2)
or (stack[stackid - 1]
and stack[stackid - 1].node.name == minetest.registered_nodes[node.name].corresponding_piston
and stack[stackid - 1].node.param2 == node.param2) then
return false
end
return true
end
local piston_pusher_up_down_get_stopper = function (node, dir, stack, stackid)
if (stack[stackid + 1]
and stack[stackid + 1].node.name == minetest.registered_nodes[node.name].corresponding_piston)
or (stack[stackid - 1]
and stack[stackid - 1].node.name == minetest.registered_nodes[node.name].corresponding_piston) then
return false
end
return true
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]
and stack[stackid + 1].node.name == minetest.registered_nodes[node.name].mesecons_piston.pusher)
or (stack[stackid - 1]
and stack[stackid - 1].node.name == minetest.registered_nodes[node.name].mesecons_piston.pusher) then
return false
end
return true
end
local piston_get_stopper = function (node, dir, stack, stackid)
pistonspec = minetest.registered_nodes[node.name].mesecons_piston
dir = piston_get_direction(pistonspec.dir, node)
local pusherpos = mesecon.addPosRule(stack[stackid].pos, dir)
local pushernode = minetest.get_node(pusherpos)
if minetest.registered_nodes[node.name].mesecons_piston.pusher == pushernode.name then
for _, s in ipairs(stack) do
if mesecon.cmpPos(s.pos, pusherpos) -- pusher is also to be pushed
and s.node.param2 == node.param2 then
return false
end
end
end
return true
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",
recipe = {
{"group:wood", "group:wood", "group:wood"},
{"default:cobble", "default:steel_ingot", "default:cobble"},
{"default:cobble", "group:mesecon_conductor_craftable", "default:cobble"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_sticky_off",
recipe = {
{"mesecons_materials:glue"},
{"mesecons_pistons:piston_normal_off"},
}
})