/obj/machinery/atmospherics/trinary/mixer
icon = 'icons/atmos/mixer.dmi'
icon_state = "map"
construction_type = /obj/item/pipe/trinary/flippable
pipe_state = "mixer"
density = 0
level = 1
name = "Gas mixer"
use_power = USE_POWER_IDLE
idle_power_usage = 150 //internal circuitry, friction losses and stuff
power_rating = 3700 //This also doubles as a measure of how powerful the mixer is, in Watts. 3700 W ~ 5 HP
var/set_flow_rate = ATMOS_DEFAULT_VOLUME_MIXER
var/list/mixing_inputs
//for mapping
var/node1_concentration = 0.5
var/node2_concentration = 0.5
//node 3 is the outlet, nodes 1 & 2 are intakes
/obj/machinery/atmospherics/trinary/mixer/update_icon(var/safety = 0)
if(tee)
icon_state = "t"
else if(mirrored)
icon_state = "m"
else
icon_state = ""
if(!powered())
icon_state += "off"
else if(node2 && node3 && node1)
icon_state += use_power ? "on" : "off"
else
icon_state += "off"
update_use_power(USE_POWER_OFF)
/obj/machinery/atmospherics/trinary/mixer/New()
..()
air1.volume = ATMOS_DEFAULT_VOLUME_MIXER
air2.volume = ATMOS_DEFAULT_VOLUME_MIXER
air3.volume = ATMOS_DEFAULT_VOLUME_MIXER * 1.5
if (!mixing_inputs)
mixing_inputs = list(src.air1 = node1_concentration, src.air2 = node2_concentration)
/obj/machinery/atmospherics/trinary/mixer/process()
..()
last_power_draw = 0
last_flow_rate = 0
if((stat & (NOPOWER|BROKEN)) || !use_power)
return
//Figure out the amount of moles to transfer
var/transfer_moles = (set_flow_rate*mixing_inputs[air1]/air1.volume)*air1.total_moles + (set_flow_rate*mixing_inputs[air1]/air2.volume)*air2.total_moles
var/power_draw = -1
if (transfer_moles > MINIMUM_MOLES_TO_FILTER)
power_draw = mix_gas(src, mixing_inputs, air3, transfer_moles, power_rating)
if(network1 && mixing_inputs[air1])
network1.update = 1
if(network2 && mixing_inputs[air2])
network2.update = 1
if(network3)
network3.update = 1
if (power_draw >= 0)
last_power_draw = power_draw
use_power(power_draw)
return 1
/obj/machinery/atmospherics/trinary/mixer/attack_hand(user as mob)
if(..())
return
src.add_fingerprint(usr)
if(!src.allowed(user))
to_chat(user, "Access denied.")
return
usr.set_machine(src)
var/list/node_connects = get_node_connect_dirs()
var/dat = {"Power: [use_power?"On":"Off"]
Set Flow Rate Limit:
[set_flow_rate]L/s | Change
Flow Rate: [round(last_flow_rate, 0.1)]L/s
Node 1 ([dir_name(node_connects[1],TRUE)]) Concentration:
-
-
[mixing_inputs[air1]]([mixing_inputs[air1]*100]%)
+
+
Node 2 ([dir_name(node_connects[2],TRUE)]) Concentration:
-
-
[mixing_inputs[air2]]([mixing_inputs[air2]*100]%)
+
+
"}
user << browse("[src.name] control[dat]", "window=atmo_mixer")
onclose(user, "atmo_mixer")
return
/obj/machinery/atmospherics/trinary/mixer/Topic(href,href_list)
if(..()) return 1
if(href_list["power"])
update_use_power(!use_power)
if(href_list["set_press"])
var/max_flow_rate = min(air1.volume, air2.volume)
var/new_flow_rate = input(usr,"Enter new flow rate limit (0-[max_flow_rate]L/s)","Flow Rate Control",src.set_flow_rate) as num
src.set_flow_rate = max(0, min(max_flow_rate, new_flow_rate))
if(href_list["node1_c"])
var/value = text2num(href_list["node1_c"])
src.mixing_inputs[air1] = max(0, min(1, src.mixing_inputs[air1] + value))
src.mixing_inputs[air2] = 1.0 - mixing_inputs[air1]
if(href_list["node2_c"])
var/value = text2num(href_list["node2_c"])
src.mixing_inputs[air2] = max(0, min(1, src.mixing_inputs[air2] + value))
src.mixing_inputs[air1] = 1.0 - mixing_inputs[air2]
src.update_icon()
src.updateUsrDialog()
return
//
// "T" Orientation - Inputs are on oposite sides instead of adjacent
//
obj/machinery/atmospherics/trinary/mixer/t_mixer
icon_state = "tmap"
construction_type = /obj/item/pipe/trinary // Can't flip a "T", its symmetrical
pipe_state = "t_mixer"
dir = SOUTH
initialize_directions = SOUTH|EAST|WEST
tee = TRUE
//
// Mirrored Orientation - Flips the output dir to opposite side from normal.
//
/obj/machinery/atmospherics/trinary/mixer/m_mixer
icon_state = "mmap"
dir = SOUTH
initialize_directions = SOUTH|NORTH|EAST
mirrored = TRUE