89 lines
2.2 KiB
Lua
89 lines
2.2 KiB
Lua
--[[
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Tube Library
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============
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Copyright (C) 2017-2020 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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states.lua:
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A state model for tubelib nodes.
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]]--
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--
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-- Tubelib machine states
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--
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tubelib.STOPPED = 1 -- not operational/turned off
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tubelib.RUNNING = 2 -- in normal operation/turned on
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tubelib.STANDBY = 3 -- nothing to do (e.g. no input items), or blocked anyhow (output jammed),
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-- or node (world) not loaded
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tubelib.FAULT = 4 -- any fault state (e.g. no fuel), which can be fixed by the player
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tubelib.BLOCKED = 5 -- a pushing node is blocked due to a full destination inventory
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tubelib.DEFECT = 6 -- a defect (broken), which has to be repaired by the player
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tubelib.StatesImg = {
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"tubelib_inv_button_off.png",
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"tubelib_inv_button_on.png",
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"tubelib_inv_button_standby.png",
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"tubelib_inv_button_error.png",
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"tubelib_inv_button_warning.png",
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"tubelib_inv_button_off.png",
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}
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-- Return state button image for the node inventory
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function tubelib.state_button(state)
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if state and state < 7 and state > 0 then
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return tubelib.StatesImg[state]
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end
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return "tubelib_inv_button_off.png"
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end
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-- State string based on button states
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tubelib.StateStrings = {"stopped", "running", "standby", "fault", "blocked", "defect"}
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--
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-- 'running' variable States (deprecated)
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--
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tubelib.STATE_RUNNING = 1 -- in normal operation
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tubelib.STATE_STOPPED = 0 -- not operational
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tubelib.STATE_STANDBY = -1 -- nothing to do
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tubelib.STATE_BLOCKED = -2 -- pushing node is blocked due to a full inventory
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tubelib.STATE_FAULT = -3 -- any fault state, which has to be fixed by the player
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-- Return machine state based on the running counter
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function tubelib.state(running)
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if running > 0 then
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return tubelib.RUNNING
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elseif running == 0 then
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return tubelib.STOPPED
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elseif running == -1 then
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return tubelib.STANDBY
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elseif running == -2 then
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return tubelib.BLOCKED
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else
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return tubelib.STOPPED
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end
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end
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-- Return state string based on the running counter
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function tubelib.statestring(running)
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if running > 0 then
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return "running"
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elseif running == 0 then
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return "stopped"
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elseif running == -1 then
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return "standby"
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elseif running == -2 then
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return "blocked"
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else
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return "fault"
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end
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end
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