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--register stoppers for movestones/pistons
mesecon.mvps_stoppers={}
function mesecon:is_mvps_stopper(nodename)
local i=1
repeat
i=i+1
if mesecon.mvps_stoppers[i]==nodename then return true end
until mesecon.mvps_stoppers[i]==nil
return false
end
function mesecon:register_mvps_stopper(nodename)
local i=1
repeat
i=i+1
if mesecon.mvps_stoppers[i]==nil then break end
until false
mesecon.mvps_stoppers[i]=nodename
end
function mesecon:mvps_push(pos, direction) -- pos: pos of mvps; direction: direction of push
pos.x=pos.x+direction.x
pos.y=pos.y+direction.y
pos.z=pos.z+direction.z
local lpos = {x=pos.x, y=pos.y, z=pos.z}
local lnode = minetest.env:get_node(lpos)
local newnode
minetest.env:remove_node(lpos)
while not(lnode.name == "ignore" or lnode.name == "air" or not(minetest.registered_nodes[lnode.name].liquidtype == "none")) do
lpos.x=lpos.x+direction.x
lpos.y=lpos.y+direction.y
lpos.z=lpos.z+direction.z
newnode = lnode
lnode = minetest.env:get_node(lpos)
minetest.env:add_node(lpos, newnode)
nodeupdate(lpos)
end
end
function mesecon:mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: direction of pull
local lpos = {x=pos.x-direction.x, y=pos.y-direction.y, z=pos.z-direction.z} -- 1 away
local lnode = minetest.env:get_node(lpos)
local lpos2 = {x=pos.x-direction.x*2, y=pos.y-direction.y*2, z=pos.z-direction.z*2} -- 2 away
local lnode2 = minetest.env:get_node(lpos2)
if lnode.name ~= "ignore" and lnode.name ~= "air" and minetest.registered_nodes[lnode.name].liquidtype == "none" then return end
if lnode2.name == "ignore" or lnode2.name == "air" or not(minetest.registered_nodes[lnode2.name].liquidtype == "none") then return end
local oldpos = {x=lpos2.x+direction.x, y=lpos2.y+direction.y, z=lpos2.z+direction.z}
repeat
minetest.env:add_node(oldpos, {name=minetest.env:get_node(lpos2).name})
nodeupdate(oldpos)
oldpos = {x=lpos2.x, y=lpos2.y, z=lpos2.z}
lpos2.x = lpos2.x-direction.x
lpos2.y = lpos2.y-direction.y
lpos2.z = lpos2.z-direction.z
lnode = minetest.env:get_node(lpos2)
until lnode.name=="air" or lnode.name=="ignore" or not(minetest.registered_nodes[lnode2.name].liquidtype == "none")
minetest.env:remove_node(oldpos)
end
mesecon:register_mvps_stopper("default:chest")
mesecon:register_mvps_stopper("default:chest_locked")
mesecon:register_mvps_stopper("default:furnace")
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