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fix undefined node crash
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42a364b818
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@ -253,17 +253,20 @@ local function go_next(pos, velocity, stack)
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for _, vect in ipairs(can_go) do
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local npos = vector.add(pos, vect)
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local node = minetest.get_node(npos)
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local tubedevice = minetest.get_item_group(node.name, "tubedevice")
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local tube_def = minetest.registered_nodes[node.name].tube
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local tube_priority = (tube_def and tube_def.priority) or 100
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if tubedevice > 0 and tube_priority >= max_priority then
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if not tube_def or not tube_def.can_insert or
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tube_def.can_insert(npos, node, stack, vect) then
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if tube_priority > max_priority then
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max_priority = tube_priority
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next_positions = {}
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local reg_node = minetest.registered_nodes[node.name]
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if reg_node then
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local tube_def = reg_node.tube
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local tubedevice = minetest.get_item_group(node.name, "tubedevice")
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local tube_priority = (tube_def and tube_def.priority) or 100
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if tubedevice > 0 and tube_priority >= max_priority then
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if not tube_def or not tube_def.can_insert or
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tube_def.can_insert(npos, node, stack, vect) then
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if tube_priority > max_priority then
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max_priority = tube_priority
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next_positions = {}
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end
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next_positions[#next_positions + 1] = {pos = npos, vect = vect}
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end
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next_positions[#next_positions + 1] = {pos = npos, vect = vect}
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end
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end
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end
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