add chat command to allow disabling of switching station ABM (for situation...

Vanessa Ezekowitz

2017-07-03 9d5bd90b57a1104ed98d183c8f9584b8507f88a5

add chat command to allow disabling of switching station ABM
(for situations where a user creates a laggy machine on a public server, use
this to suspend power distribution until the machine is found and disabled)

`/powerctrl off` to disable
`/powerctrl on` to reenable

(actually, anything but "on" disables it)

 technic/machines/switching_station.lua

@@ -189,12 +189,29 @@
-----------------------------------------------
-- The action code for the switching station --
-----------------------------------------------

technic.powerctrl_state = true

minetest.register_chatcommand("powerctrl", {
    params = "state",
    description = "Enables or disables technic's switching station ABM",
    privs = { basic_privs = true },
    func = function(name, state)
        if state == "on" then
            technic.powerctrl_state = true
        else
            technic.powerctrl_state = false
        end
    end
})

minetest.register_abm({
    nodenames = {"technic:switching_station"},
    label = "Switching Station", -- allows the mtt profiler to profile this abm individually
    interval   = 1,
    chance     = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
        if not technic.powerctrl_state then return end
        local meta             = minetest.get_meta(pos)
        local meta1            = nil
        local pos1             = {}