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hobnob13
128 lines
3.3 KiB
Plaintext
128 lines
3.3 KiB
Plaintext
/*
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* Meter -- a machine that shows the flow rate of gas in a pipe on the same turf
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*
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* The meter actually reads a moving average of the flow var of the pipeline object associated with the pipe.
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* Note that the value can be negative if the flow is going through the pipe "backwards"
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* If attacked by a wrench, try to locate a working pipe again
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*
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* TODO: Add an icon overlay showing the actual movement direction of the gas.
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*/
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obj/machinery/meter
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name = "meter"
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icon = 'pipes.dmi'
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icon_state = "meterX"
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anchored = 1
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var
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obj/machinery/pipes/target = null // the pipe object to monitor
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average = 0 // the exponential moving average of the flow rate
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alarm = 0 // true if pressure alarm is being shown
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// Create a new meter. Find the target pipe in the same location as the meter
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New()
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..()
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src.target = locate(/obj/machinery/pipes, src.loc)
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average = 0
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return
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// Timed process.
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// Read flow rate from the pipeline object of the target pipe
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// Calculate exponentially weighted moving average of flow rate
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// Update icon state of flow rate bargraph
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process()
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if(!target || !target.pl)
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icon_state = "meterX"
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overlays = null
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return
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if(stat & NOPOWER)
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icon_state = "meter0"
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return
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var/obj/machinery/pipeline/line = target.pl
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use_power(5)
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average = 0.5 * average + 0.5 * line.flow
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var/val = min(18, round( 18.99 * ((abs(average) / 2500000)**0.25)) )
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icon_state = "meter[val]"
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var/pressure = line.gas.tot_gas() / line.numnodes * line.gas.temperature
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if(alarm)
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if(pressure < PRESSURELIMIT)
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overlays = null
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alarm = 0
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else
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if(pressure > PRESSURELIMIT)
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overlays += image('pipes.dmi', "meter-o")
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alarm = 1
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// If the meter is clicked on, report the flow rate and temperature of the gas
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Click()
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var/mob/user = usr
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if (user.currentDrone!=null)
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user = user.currentDrone
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if (get_dist(user, src) <= 3)
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if (src.target)
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user.client_mob() << "\blue <B>Results:\nMass flow [round(100*abs(average)/6e6, 0.1)]%\nTemperature [round(target.pl.gas.temperature,0.1)] K</B>"
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if(alarm)
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user.client_mob() << "\red <B>Warning! Pressure approaching pipe fracture limit!</B>"
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else
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user.client_mob() << "\blue <B>Results: Connection Error!</B>"
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else
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user.client_mob() << "\blue <B>You are too far away.</B>"
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return
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// Attack with weapon
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// if a wrench, try to find pipe at same location and activate
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attackby(var/obj/item/weapon/W, mob/user)
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if(!target && istype(W, /obj/item/weapon/wrench))
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target = locate(/obj/machinery/pipes, src.loc)
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average = 0
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if(target)
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user.client_mob() << "\blue The meter has been attached to the pipe."
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var/turf/T = src.loc // make sure meter is on top of pipe
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src.loc = null
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src.loc = T
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else
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..()
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// Disabled routines
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/*
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/obj/machinery/meter/proc/pressure()
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if(src.target && src.target.gas)
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return (average * target.gas.temperature)/100000.0
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else
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return 0
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*/
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/*
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/obj/machinery/meter/examine()
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set src in oview(1)
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var/t = "A gas flow meter. "
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if (src.target)
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t += text("Results:\nMass flow []%\nPressure [] kPa", round(100*average/src.target.gas.maximum, 0.1), round(pressure(), 0.1) )
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else
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t += "It is not functioning."
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usr.client_mob() << t
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*/
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