mirror of
https://github.com/ParadiseSS13/Paradise.git
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162 lines
4.6 KiB
Plaintext
162 lines
4.6 KiB
Plaintext
/obj/machinery/atmospherics/trinary/mixer
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icon = 'icons/atmos/mixer.dmi'
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icon_state = "map"
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can_unwrench = 1
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name = "gas mixer"
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var/target_pressure = ONE_ATMOSPHERE
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var/node1_concentration = 0.5
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var/node2_concentration = 0.5
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//node 3 is the outlet, nodes 1 & 2 are intakes
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/obj/machinery/atmospherics/trinary/mixer/flipped
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icon_state = "mmap"
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flipped = 1
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/obj/machinery/atmospherics/trinary/mixer/update_icon(var/safety = 0)
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if(flipped)
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icon_state = "m"
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else
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icon_state = ""
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if(!powered())
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icon_state += "off"
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else if(node2 && node3 && node1)
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icon_state += on ? "on" : "off"
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else
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icon_state += "off"
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on = 0
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/obj/machinery/atmospherics/trinary/mixer/update_underlays()
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if(..())
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underlays.Cut()
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var/turf/T = get_turf(src)
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if(!istype(T))
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return
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add_underlay(T, node1, turn(dir, -180))
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if(flipped)
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add_underlay(T, node2, turn(dir, 90))
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else
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add_underlay(T, node2, turn(dir, -90))
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add_underlay(T, node3, dir)
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/obj/machinery/atmospherics/trinary/mixer/power_change()
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var/old_stat = stat
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..()
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if(old_stat != stat)
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update_icon()
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/obj/machinery/atmospherics/trinary/mixer/New()
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..()
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air3.volume = 300
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/obj/machinery/atmospherics/trinary/mixer/process()
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..()
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if(!on)
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return 0
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var/output_starting_pressure = air3.return_pressure()
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if(output_starting_pressure >= target_pressure)
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//No need to mix if target is already full!
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return 1
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//Calculate necessary moles to transfer using PV=nRT
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var/pressure_delta = target_pressure - output_starting_pressure
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var/transfer_moles1 = 0
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var/transfer_moles2 = 0
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if(air1.temperature > 0)
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transfer_moles1 = (node1_concentration*pressure_delta)*air3.volume/(air1.temperature * R_IDEAL_GAS_EQUATION)
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if(air2.temperature > 0)
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transfer_moles2 = (node2_concentration*pressure_delta)*air3.volume/(air2.temperature * R_IDEAL_GAS_EQUATION)
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var/air1_moles = air1.total_moles()
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var/air2_moles = air2.total_moles()
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if((air1_moles < transfer_moles1) || (air2_moles < transfer_moles2))
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if(!transfer_moles1 || !transfer_moles2) return
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var/ratio = min(air1_moles/transfer_moles1, air2_moles/transfer_moles2)
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transfer_moles1 *= ratio
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transfer_moles2 *= ratio
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//Actually transfer the gas
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if(transfer_moles1 > 0)
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var/datum/gas_mixture/removed1 = air1.remove(transfer_moles1)
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air3.merge(removed1)
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if(transfer_moles2 > 0)
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var/datum/gas_mixture/removed2 = air2.remove(transfer_moles2)
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air3.merge(removed2)
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if(transfer_moles1)
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parent1.update = 1
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if(transfer_moles2)
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parent2.update = 1
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parent3.update = 1
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return 1
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/obj/machinery/atmospherics/trinary/mixer/attack_hand(user as mob)
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if(..())
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return
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src.add_fingerprint(usr)
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if(!src.allowed(user))
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user << "<span class='alert'>Access denied.</span>"
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return
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usr.set_machine(src)
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var/dat = {"<b>Power: </b><a href='?src=\ref[src];power=1'>[on?"On":"Off"]</a><br>
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<b>Desirable output pressure: </b>
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[target_pressure]kPa | <a href='?src=\ref[src];set_press=1'>Change</a>
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<br>
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<b>Node 1 Concentration:</b>
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<a href='?src=\ref[src];node1_c=-0.1'><b>-</b></a>
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<a href='?src=\ref[src];node1_c=-0.01'>-</a>
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[node1_concentration]([node1_concentration*100]%)
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<a href='?src=\ref[src];node1_c=0.01'><b>+</b></a>
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<a href='?src=\ref[src];node1_c=0.1'>+</a>
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<br>
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<b>Node 2 Concentration:</b>
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<a href='?src=\ref[src];node2_c=-0.1'><b>-</b></a>
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<a href='?src=\ref[src];node2_c=-0.01'>-</a>
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[node2_concentration]([node2_concentration*100]%)
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<a href='?src=\ref[src];node2_c=0.01'><b>+</b></a>
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<a href='?src=\ref[src];node2_c=0.1'>+</a>
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"}
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user << browse("<HEAD><TITLE>[src.name] control</TITLE></HEAD><TT>[dat]</TT>", "window=atmo_mixer")
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onclose(user, "atmo_mixer")
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return
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/obj/machinery/atmospherics/trinary/mixer/Topic(href,href_list)
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if(..())
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return 1
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if(href_list["power"])
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on = !on
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if(href_list["set_press"])
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var/new_pressure = input(usr,"Enter new output pressure (0-4500kPa)","Pressure control",src.target_pressure) as num
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src.target_pressure = max(0, min(4500, new_pressure))
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if(href_list["node1_c"])
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var/value = text2num(href_list["node1_c"])
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src.node1_concentration = max(0, min(1, src.node1_concentration + value))
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src.node2_concentration = max(0, min(1, src.node2_concentration - value))
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if(href_list["node2_c"])
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var/value = text2num(href_list["node2_c"])
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src.node2_concentration = max(0, min(1, src.node2_concentration + value))
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src.node1_concentration = max(0, min(1, src.node1_concentration - value))
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src.update_icon()
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src.updateUsrDialog()
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return
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