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/obj/machinery/atmospherics/components/trinary/mixer
icon_state = "mixer_off"
density = FALSE
name = "gas mixer"
desc = "Very useful for mixing gasses."
can_unwrench = TRUE
var/target_pressure = ONE_ATMOSPHERE
var/node1_concentration = 0.5
var/node2_concentration = 0.5
construction_type = /obj/item/pipe/trinary/flippable
pipe_state = "mixer"
//node 3 is the outlet, nodes 1 & 2 are intakes
/obj/machinery/atmospherics/components/trinary/mixer/CtrlClick(mob/user)
if(can_interact(user))
on = !on
investigate_log("was turned [on ? "on" : "off"] by [key_name(user)]", INVESTIGATE_ATMOS)
update_appearance()
return ..()
/obj/machinery/atmospherics/components/trinary/mixer/AltClick(mob/user)
if(can_interact(user))
target_pressure = MAX_OUTPUT_PRESSURE
investigate_log("was set to [target_pressure] kPa by [key_name(user)]", INVESTIGATE_ATMOS)
balloon_alert(user, "pressure output on set to [target_pressure] kPa")
update_appearance()
return ..()
/obj/machinery/atmospherics/components/trinary/mixer/update_overlays()
. = ..()
for(var/direction in GLOB.cardinals)
if(!(direction & initialize_directions))
continue
. += getpipeimage(icon, "cap", direction, pipe_color, piping_layer, TRUE)
/obj/machinery/atmospherics/components/trinary/mixer/update_icon_nopipes()
var/on_state = on && nodes[1] && nodes[2] && nodes[3] && is_operational()
icon_state = "mixer_[on_state ? "on" : "off"][flipped ? "_f" : ""]"
/obj/machinery/atmospherics/components/trinary/mixer/New()
..()
var/datum/gas_mixture/air3 = airs[3]
air3.set_volume(300)
airs[3] = air3
/obj/machinery/atmospherics/components/trinary/mixer/process_atmos()
..()
if(!on || !(nodes[1] && nodes[2] && nodes[3]) && !is_operational())
return
//Get those gases, mah boiiii
var/datum/gas_mixture/air1 = airs[1]
var/datum/gas_mixture/air2 = airs[2]
if(!air1 || !air2)
return
var/datum/gas_mixture/air3 = airs[3]
var/output_starting_pressure = air3.return_pressure()
if(output_starting_pressure >= target_pressure)
//No need to mix if target is already full!
return
//Calculate necessary moles to transfer using PV=nRT
var/general_transfer = (target_pressure - output_starting_pressure) * air3.return_volume() / R_IDEAL_GAS_EQUATION
var/transfer_moles1 = air1.return_temperature() ? node1_concentration * general_transfer / air1.return_temperature() : 0
var/transfer_moles2 = air2.return_temperature() ? node2_concentration * general_transfer / air2.return_temperature() : 0
var/air1_moles = air1.total_moles()
var/air2_moles = air2.total_moles()
if(!node2_concentration)
if(air1.return_temperature() <= 0)
return
transfer_moles1 = min(transfer_moles1, air1_moles)
transfer_moles2 = 0
else if(!node1_concentration)
if(air2.return_temperature() <= 0)
return
transfer_moles2 = min(transfer_moles2, air2_moles)
transfer_moles1 = 0
else
if(air1.return_temperature() <= 0 || air2.return_temperature() <= 0)
return
if((transfer_moles2 <= 0) || (transfer_moles1 <= 0))
return
if((air1_moles < transfer_moles1) || (air2_moles < transfer_moles2))
var/ratio = 0
ratio = min(air1_moles / transfer_moles1, air2_moles / transfer_moles2)
transfer_moles1 *= ratio
transfer_moles2 *= ratio
//Actually transfer the gas
if(transfer_moles1)
air1.transfer_to(air3, transfer_moles1)
var/datum/pipeline/parent1 = parents[1]
parent1.update = TRUE
if(transfer_moles2)
air2.transfer_to(air3, transfer_moles2)
var/datum/pipeline/parent2 = parents[2]
parent2.update = TRUE
var/datum/pipeline/parent3 = parents[3]
parent3.update = TRUE
/obj/machinery/atmospherics/components/trinary/mixer/ui_interact(mob/user, datum/tgui/ui)
ui = SStgui.try_update_ui(user, src, ui)
if(!ui)
ui = new(user, src, "AtmosMixer", name)
ui.open()
/obj/machinery/atmospherics/components/trinary/mixer/ui_data()
var/data = list()
data["on"] = on
data["set_pressure"] = round(target_pressure)
data["max_pressure"] = round(MAX_OUTPUT_PRESSURE)
data["node1_concentration"] = round(node1_concentration*100, 1)
data["node2_concentration"] = round(node2_concentration*100, 1)
return data
/obj/machinery/atmospherics/components/trinary/mixer/ui_act(action, params)
if(..())
return
switch(action)
if("power")
on = !on
investigate_log("was turned [on ? "on" : "off"] by [key_name(usr)]", INVESTIGATE_ATMOS)
. = TRUE
if("pressure")
var/pressure = params["pressure"]
if(pressure == "max")
pressure = MAX_OUTPUT_PRESSURE
. = TRUE
else if(pressure == "input")
pressure = input("New output pressure (0-[MAX_OUTPUT_PRESSURE] kPa):", name, target_pressure) as num|null
if(!isnull(pressure) && !..())
. = TRUE
else if(text2num(pressure) != null)
pressure = text2num(pressure)
. = TRUE
if(.)
target_pressure = clamp(pressure, 0, MAX_OUTPUT_PRESSURE)
investigate_log("was set to [target_pressure] kPa by [key_name(usr)]", INVESTIGATE_ATMOS)
if("node1")
var/value = text2num(params["concentration"])
adjust_node1_value(value)
investigate_log("was set to [node1_concentration] % on node 1 by [key_name(usr)]", INVESTIGATE_ATMOS)
. = TRUE
if("node2")
var/value = text2num(params["concentration"])
adjust_node1_value(100 - value)
investigate_log("was set to [node2_concentration] % on node 2 by [key_name(usr)]", INVESTIGATE_ATMOS)
. = TRUE
update_icon()
/obj/machinery/atmospherics/components/trinary/mixer/proc/adjust_node1_value(newValue)
node1_concentration = newValue / 100
node2_concentration = 1 - node1_concentration
/obj/machinery/atmospherics/components/trinary/mixer/can_unwrench(mob/user)
. = ..()
if(. && on && is_operational())
to_chat(user, "<span class='warning'>You cannot unwrench [src], turn it off first!</span>")
return FALSE
// mapping
/obj/machinery/atmospherics/components/trinary/mixer/layer1
piping_layer = 1
icon_state = "mixer_off_map-1"
/obj/machinery/atmospherics/components/trinary/mixer/layer3
piping_layer = 3
icon_state = "mixer_off_map-3"
/obj/machinery/atmospherics/components/trinary/mixer/on
on = TRUE
icon_state = "mixer_on"
/obj/machinery/atmospherics/components/trinary/mixer/on/layer1
piping_layer = 1
icon_state = "mixer_on_map-1"
/obj/machinery/atmospherics/components/trinary/mixer/on/layer3
piping_layer = 3
icon_state = "mixer_on_map-3"
/obj/machinery/atmospherics/components/trinary/mixer/flipped
icon_state = "mixer_off_f"
flipped = TRUE
/obj/machinery/atmospherics/components/trinary/mixer/flipped/layer1
piping_layer = 1
icon_state = "mixer_off_f_map-1"
/obj/machinery/atmospherics/components/trinary/mixer/flipped/layer3
piping_layer = 3
icon_state = "mixer_off_f_map-3"
/obj/machinery/atmospherics/components/trinary/mixer/flipped/on
on = TRUE
icon_state = "mixer_on_f"
/obj/machinery/atmospherics/components/trinary/mixer/flipped/on/layer1
piping_layer = 1
icon_state = "mixer_on_f_map-1"
/obj/machinery/atmospherics/components/trinary/mixer/flipped/on/layer3
piping_layer = 3
icon_state = "mixer_on_f_map-3"
/obj/machinery/atmospherics/components/trinary/mixer/airmix //For standard airmix to distro
name = "air mixer"
icon_state = "mixer_on"
node1_concentration = N2STANDARD
node2_concentration = O2STANDARD
target_pressure = MAX_OUTPUT_PRESSURE
on = TRUE
/obj/machinery/atmospherics/components/trinary/mixer/airmix/inverse
node1_concentration = O2STANDARD
node2_concentration = N2STANDARD
/obj/machinery/atmospherics/components/trinary/mixer/airmix/flipped
icon_state = "mixer_on_f"
flipped = TRUE
/obj/machinery/atmospherics/components/trinary/mixer/airmix/flipped/inverse
node1_concentration = O2STANDARD
node2_concentration = N2STANDARD