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on_receive_fields = function(pos, formname, fields, sender)
-- if fields.connect and not fields.quit then
local minp = minetest.string_to_pos(fields.minp)
local maxp = minetest.string_to_pos(fields.maxp)
if is_valid_pos(minp) and is_valid_pos(maxp) then
local node = minetest.get_node(pos)
minetest.remove_node(pos)
local positions = {}
local parent = minetest.add_entity(pos, "meshnode:ctrl")
if parent then
for x = minp.x, maxp.x, get_step(minp.x, maxp.x) do
for y = minp.y, maxp.y, get_step(minp.y, maxp.y) do
for z = minp.z, maxp.z, get_step(minp.z, maxp.z) do
local node_pos = vector.add(pos, {x=x, y=y, z=z})
meshnode:create(node_pos, parent)
table.insert(positions, node_pos)
end
end
end
for _, pos in pairs(positions) do
minetest.remove_node(pos)
end
end
else
local name = sender:get_player_name()
minetest.chat_send_player(name, "Invalid Position!")
end
-- end
end,
