Merge pull request #5764 from Markolie/teg2

TEG refactor
This commit is contained in:
Fox McCloud
2016-10-30 19:56:26 -04:00
committed by GitHub
9 changed files with 286 additions and 369 deletions
@@ -2,77 +2,84 @@
//node2, air2, network2 correspond to output
/obj/machinery/atmospherics/binary/circulator
name = "circulator/heat exchanger"
desc = "A gas circulator pump and heat exchanger."
icon = 'icons/obj/pipes.dmi'
icon_state = "circ-off"
anchored = 0
density = 1
desc = "A gas circulator pump and heat exchanger. Its input port is on the south side, and its output port is on the north side."
icon = 'icons/obj/atmospherics/circulator.dmi'
icon_state = "circ1-off"
var/side = CIRC_LEFT
var/global/const/CIRC_LEFT = WEST
var/global/const/CIRC_RIGHT = EAST
var/recent_moles_transferred = 0
var/last_heat_capacity = 0
var/last_temperature = 0
var/last_pressure_delta = 0
var/last_worldtime_transfer = 0
var/obj/machinery/power/generator/generator
/obj/machinery/atmospherics/binary/circulator/New()
..()
desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."
layer = 2.45 // Just above wires
anchored = 1
density = 1
can_unwrench = 1
// Creating a custom circulator pipe subtype to be delivered through cargo
/obj/item/pipe/circulator
name = "circulator/heat exchanger fitting"
/obj/item/pipe/circulator/New(loc)
var/obj/machinery/atmospherics/binary/circulator/C = new /obj/machinery/atmospherics/binary/circulator(null)
..(loc, make_from = C)
/obj/machinery/atmospherics/binary/circulator/Destroy()
if(generator && generator.cold_circ == src)
generator.cold_circ = null
else if(generator && generator.hot_circ == src)
generator.hot_circ = null
return ..()
/obj/machinery/atmospherics/binary/circulator/proc/return_transfer_air()
var/datum/gas_mixture/removed
if(anchored && !(stat & BROKEN))
var/input_starting_pressure = air1.return_pressure()
var/output_starting_pressure = air2.return_pressure()
last_pressure_delta = max(input_starting_pressure - output_starting_pressure + 10, 0)
var/output_starting_pressure = air1.return_pressure()
var/input_starting_pressure = air2.return_pressure()
//only circulate air if there is a pressure difference (plus 10 kPa to represent friction in the machine)
if(air1.temperature > 0 && last_pressure_delta > 0)
if(output_starting_pressure >= input_starting_pressure - 10)
//Need at least 10 KPa difference to overcome friction in the mechanism
last_pressure_delta = 0
return null
//Calculate necessary moles to transfer using PV = nRT
recent_moles_transferred = last_pressure_delta*air2.volume/(air1.temperature * R_IDEAL_GAS_EQUATION)
//Calculate necessary moles to transfer using PV = nRT
if(air2.temperature > 0)
var/pressure_delta = (input_starting_pressure - output_starting_pressure) / 2
//Actually transfer the gas
removed = air1.remove(recent_moles_transferred)
if(removed)
last_heat_capacity = removed.heat_capacity()
last_temperature = removed.temperature
var/transfer_moles = pressure_delta * air1.volume/(air2.temperature * R_IDEAL_GAS_EQUATION)
//Update the gas networks.
parent1.update = 1
last_pressure_delta = pressure_delta
last_worldtime_transfer = world.time
else
recent_moles_transferred = 0
//log_debug("pressure_delta = [pressure_delta]; transfer_moles = [transfer_moles];")
//Actually transfer the gas
var/datum/gas_mixture/removed = air2.remove(transfer_moles)
parent1.update = 1
parent2.update = 1
update_icon()
return removed
else
last_pressure_delta = 0
/obj/machinery/atmospherics/binary/circulator/process()
if(!..())
return 0
if(last_worldtime_transfer < world.time - 50)
recent_moles_transferred = 0
update_icon()
..()
update_icon()
/obj/machinery/atmospherics/binary/circulator/update_icon()
if(stat & (BROKEN|NOPOWER) || !anchored)
icon_state = "circ-p"
else if(last_pressure_delta > 0 && recent_moles_transferred > 0)
if(last_pressure_delta > 5*ONE_ATMOSPHERE)
icon_state = "circ-run"
if(stat & (BROKEN|NOPOWER))
icon_state = "circ[side]-p"
else if(last_pressure_delta > 0)
if(last_pressure_delta > ONE_ATMOSPHERE)
icon_state = "circ[side]-run"
else
icon_state = "circ-slow"
icon_state = "circ[side]-slow"
else
icon_state = "circ-off"
icon_state = "circ[side]-off"
return 1
/obj/machinery/atmospherics/binary/circulator/attackby(var/obj/item/W as obj, var/mob/user as mob, params)
if(istype(W, /obj/item/weapon/wrench))
var/turf/T = get_turf(src)
if(!istype(T, /turf/simulated))
return ..()
anchored = !anchored
to_chat(user, "You [(anchored) ? "fasten" : "loosen"] \the [src] to the floor")
playsound(loc, 'sound/items/Ratchet.ogg', 50, 1)
else return ..()
return 1
+3 -4
View File
@@ -581,7 +581,7 @@ var/list/all_supply_groups = list(supply_emergency,supply_security,supply_engine
/obj/item/clothing/head/helmet/space,
/obj/item/clothing/head/helmet/space,
/obj/item/clothing/mask/breath,
/obj/item/clothing/mask/breath,)
/obj/item/clothing/mask/breath)
cost = 30
containertype = /obj/structure/closet/crate/secure
containername = "space suit crate"
@@ -607,9 +607,8 @@ var/list/all_supply_groups = list(supply_emergency,supply_security,supply_engine
name = "Thermo-Electric Generator Crate"
contains = list(
/obj/machinery/power/generator,
/obj/machinery/atmospherics/binary/circulator,
/obj/machinery/atmospherics/binary/circulator
)
/obj/item/pipe/circulator,
/obj/item/pipe/circulator)
cost = 25
containertype = /obj/structure/closet/crate/secure
containername = "thermo-electric generator crate"
+26 -1
View File
@@ -37,6 +37,7 @@
#define PIPE_DP_VENT 36
#define PIPE_PASV_VENT 37
#define PIPE_DTVALVE 38
#define PIPE_CIRCULATOR 39
/obj/item/pipe
name = "pipe"
@@ -150,10 +151,16 @@
src.pipe_type = PIPE_OMNI_MIXER
else if(istype(make_from, /obj/machinery/atmospherics/omni/filter))
src.pipe_type = PIPE_OMNI_FILTER
else if(istype(make_from, /obj/machinery/atmospherics/binary/circulator))
src.pipe_type = PIPE_CIRCULATOR
var/obj/machinery/atmospherics/trinary/triP = make_from
if(istype(triP) && triP.flipped)
src.flipped = 1
var/obj/machinery/atmospherics/binary/circulator/circP = make_from
if(istype(circP) && circP.side == circP.CIRC_RIGHT)
src.flipped = 1
else
src.pipe_type = pipe_type
@@ -214,6 +221,7 @@
"dual-port vent", \
"passive vent", \
"digital t-valve", \
"circulator/heat exchanger", \
)
name = nlist[pipe_type+1] + " fitting"
var/list/islist = list( \
@@ -256,11 +264,15 @@
"dual-port vent", \
"passive vent", \
"dtvalve", \
"circ", \
)
icon_state = islist[pipe_type + 1]
var/obj/machinery/atmospherics/trinary/triP = make_from
if(istype(triP) && triP.flipped)
icon_state = "m_[icon_state]"
var/obj/machinery/atmospherics/binary/circulator/circP = make_from
if(istype(circP) && circP.side == circP.CIRC_RIGHT)
icon_state = "m_[icon_state]"
// called by turf to know if should treat as bent or not on placement
/obj/item/pipe/proc/is_bent_pipe()
@@ -280,6 +292,10 @@
if( usr.stat || usr.restrained() )
return
if(pipe_type == PIPE_CIRCULATOR)
flip()
return
src.dir = turn(src.dir, -90)
@@ -295,7 +311,7 @@
if(usr.stat || usr.restrained())
return
if(pipe_type in list(PIPE_GAS_FILTER, PIPE_GAS_MIXER, PIPE_TVALVE, PIPE_DTVALVE))
if(pipe_type in list(PIPE_GAS_FILTER, PIPE_GAS_MIXER, PIPE_TVALVE, PIPE_DTVALVE, PIPE_CIRCULATOR))
if(flipped)
icon_state = copytext(icon_state,3)
else
@@ -529,6 +545,14 @@
if(pipename)
P.name = pipename
P.construction(unflip(dir), pipe_dir, color)
if(PIPE_CIRCULATOR) //circulator
var/obj/machinery/atmospherics/binary/circulator/C = new(src.loc)
if(flipped)
C.side = C.CIRC_RIGHT
if(pipename)
C.name = pipename
C.construction(C.dir, C.initialize_directions, color)
if(PIPE_SCRUBBER) //scrubber
var/obj/machinery/atmospherics/unary/vent_scrubber/S = new(src.loc)
@@ -682,3 +706,4 @@
#undef PIPE_DP_VENT
#undef PIPE_PASV_VENT
#undef PIPE_DTVALVE
#undef PIPE_CIRCULATOR
+195 -165
View File
@@ -1,211 +1,241 @@
/obj/machinery/power/generator
name = "thermoelectric generator"
desc = "It's a high efficiency thermoelectric generator."
icon_state = "teg"
density = 1
anchored = 0
density = 1
use_power = 0
use_power = 1
idle_power_usage = 100 //Watts, I hope. Just enough to do the computer and display things.
var/obj/machinery/atmospherics/binary/circulator/circ1
var/obj/machinery/atmospherics/binary/circulator/circ2
var/obj/machinery/atmospherics/binary/circulator/cold_circ
var/obj/machinery/atmospherics/binary/circulator/hot_circ
var/cold_dir = WEST
var/hot_dir = EAST
var/lastgen = 0
var/lastgenlev = -1
var/image/overlay_image
var/power_multiplier = 1 // This is so admins can tweak how good it is to find a good balance for effort -> power
var/powercap = 500000 //Not a hard cap, but outputs above this have a 10% chance to cause the TeG to lose half it's power.
var/lastcirc = "00"
/obj/machinery/power/generator/New()
..()
update_desc()
/obj/machinery/power/generator/proc/update_desc()
desc = initial(desc) + " Its cold circulator is located on the [dir2text(cold_dir)] side, and its heat circulator is located on the [dir2text(hot_dir)] side."
/obj/machinery/power/generator/Destroy()
disconnect()
return ..()
/obj/machinery/power/generator/proc/disconnect()
if(cold_circ)
cold_circ.generator = null
if(hot_circ)
hot_circ.generator = null
if(powernet)
disconnect_from_network()
spawn(1)
reconnect()
/obj/machinery/power/generator/initialize()
..()
connect()
/obj/machinery/power/generator/proc/connect()
connect_to_network()
var/obj/machinery/atmospherics/binary/circulator/circpath = /obj/machinery/atmospherics/binary/circulator
cold_circ = locate(circpath) in get_step(src, cold_dir)
hot_circ = locate(circpath) in get_step(src, hot_dir)
//generators connect in dir and reverse_dir(dir) directions
//mnemonic to determine circulator/generator directions: the cirulators orbit clockwise around the generator
//so a circulator to the NORTH of the generator connects first to the EAST, then to the WEST
//and a circulator to the WEST of the generator connects first to the NORTH, then to the SOUTH
//note that the circulator's outlet dir is it's always facing dir, and it's inlet is always the reverse
/obj/machinery/power/generator/proc/reconnect()
circ1 = null
circ2 = null
if(src.loc && anchored)
if(src.dir & (EAST|WEST))
circ1 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,EAST)
circ2 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,WEST)
if(cold_circ && cold_circ.side == cold_dir)
cold_circ.generator = src
cold_circ.update_icon()
else
cold_circ = null
if(circ1 && circ2)
if(circ1.dir != SOUTH || circ2.dir != NORTH)
circ1 = null
circ2 = null
if(hot_circ && hot_circ.side == hot_dir)
hot_circ.generator = src
hot_circ.update_icon()
else
hot_circ = null
else if(src.dir & (NORTH|SOUTH))
circ1 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,NORTH)
circ2 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,SOUTH)
if(circ1 && circ2 && (circ1.dir != EAST || circ2.dir != WEST))
circ1 = null
circ2 = null
/obj/machinery/power/generator/proc/updateicon()
if(isnull(src.overlay_image))
src.overlay_image = image('icons/obj/power.dmi')
overlays.Cut()
if(!(stat & (NOPOWER|BROKEN)))
power_change()
update_icon()
updateDialog()
/obj/machinery/power/generator/power_change()
if(!anchored)
stat |= NOPOWER
else
..()
/obj/machinery/power/generator/update_icon()
if(stat & (NOPOWER|BROKEN))
overlays.Cut()
else
overlays.Cut()
if(lastgenlev != 0)
src.overlay_image.icon_state = "teg-op[lastgenlev]"
overlays += src.overlay_image
overlays += image('icons/obj/power.dmi', "teg-op[lastgenlev]")
/obj/machinery/power/generator/process()
if(!circ1 || !circ2 || !anchored || stat & (BROKEN|NOPOWER))
overlays += image('icons/obj/power.dmi', "teg-oc[lastcirc]")
/obj/machinery/power/generator/process()
if(stat & (NOPOWER|BROKEN))
return
if(!cold_circ || !hot_circ)
return
lastgen = 0
if(powernet)
//log_debug("cold_circ and hot_circ pass")
var/datum/gas_mixture/cold_air = cold_circ.return_transfer_air()
var/datum/gas_mixture/hot_air = hot_circ.return_transfer_air()
//log_debug("hot_air = [hot_air]; cold_air = [cold_air];")
if(cold_air && hot_air)
//log_debug("hot_air = [hot_air] temperature = [hot_air.temperature]; cold_air = [cold_air] temperature = [hot_air.temperature];")
//log_debug("coldair and hotair pass")
var/cold_air_heat_capacity = cold_air.heat_capacity()
var/hot_air_heat_capacity = hot_air.heat_capacity()
var/delta_temperature = hot_air.temperature - cold_air.temperature
//log_debug("delta_temperature = [delta_temperature]; cold_air_heat_capacity = [cold_air_heat_capacity]; hot_air_heat_capacity = [hot_air_heat_capacity]")
if(delta_temperature > 0 && cold_air_heat_capacity > 0 && hot_air_heat_capacity > 0)
var/efficiency = 0.65
var/energy_transfer = delta_temperature * hot_air_heat_capacity * cold_air_heat_capacity / (hot_air_heat_capacity + cold_air_heat_capacity)
var/heat = energy_transfer * (1 - efficiency)
lastgen = energy_transfer * efficiency
//log_debug("lastgen = [lastgen]; heat = [heat]; delta_temperature = [delta_temperature]; hot_air_heat_capacity = [hot_air_heat_capacity]; cold_air_heat_capacity = [cold_air_heat_capacity];")
hot_air.temperature = hot_air.temperature - energy_transfer / hot_air_heat_capacity
cold_air.temperature = cold_air.temperature + heat / cold_air_heat_capacity
//log_debug("POWER: [lastgen] W generated at [efficiency * 100]% efficiency and sinks sizes [cold_air_heat_capacity], [hot_air_heat_capacity]")
add_avail(lastgen)
// update icon overlays only if displayed level has changed
if(hot_air)
var/datum/gas_mixture/hot_circ_air1 = hot_circ.air1
hot_circ_air1.merge(hot_air)
if(cold_air)
var/datum/gas_mixture/cold_circ_air1 = cold_circ.air1
cold_circ_air1.merge(cold_air)
var/genlev = max(0, min( round(11 * lastgen / 100000), 11))
var/circ = "[cold_circ && cold_circ.last_pressure_delta > 0 ? "1" : "0"][hot_circ && hot_circ.last_pressure_delta > 0 ? "1" : "0"]"
if((genlev != lastgenlev) || (circ != lastcirc))
lastgenlev = genlev
lastcirc = circ
update_icon()
updateDialog()
var/datum/gas_mixture/air1 = circ1.return_transfer_air()
var/datum/gas_mixture/air2 = circ2.return_transfer_air()
lastgen = 0
if(air1 && air2)
var/air1_heat_capacity = air1.heat_capacity()
var/air2_heat_capacity = air2.heat_capacity()
var/delta_temperature = abs(air2.temperature - air1.temperature)
if(delta_temperature > 0 && air1_heat_capacity > 0 && air2_heat_capacity > 0)
var/efficiency = 0.65
var/energy_transfer = delta_temperature*air2_heat_capacity*air1_heat_capacity/(air2_heat_capacity+air1_heat_capacity)
var/heat = energy_transfer*(1-efficiency)
lastgen = energy_transfer*efficiency*0.05*power_multiplier
if(air2.temperature > air1.temperature)
air2.temperature = air2.temperature - energy_transfer/air2_heat_capacity
air1.temperature = air1.temperature + heat/air1_heat_capacity
else
air2.temperature = air2.temperature + heat/air2_heat_capacity
air1.temperature = air1.temperature - energy_transfer/air1_heat_capacity
//Transfer the air
if(air1)
circ1.air2.merge(air1)
if(air2)
circ2.air2.merge(air2)
//Update the gas networks
if(circ1.parent2)
circ1.parent2.update = 1
if(circ2.parent2)
circ2.parent2.update = 1
// update icon overlays and power usage only if displayed level has changed
if(lastgen > powercap && prob(10))
var/datum/effect/system/spark_spread/s = new /datum/effect/system/spark_spread
s.set_up(3, 1, src)
s.start()
lastgen *= 0.5
var/genlev = max(0, min( round(11*lastgen / powercap), 11))
if(lastgen > 100 && genlev == 0)
genlev = 1
if(genlev != lastgenlev)
lastgenlev = genlev
updateicon()
add_avail(lastgen)
/obj/machinery/power/generator/attack_ai(mob/user)
if(stat & (BROKEN|NOPOWER)) return
return attack_hand(user)
/obj/machinery/power/generator/attack_ghost(mob/user)
if(stat & (NOPOWER|BROKEN))
return
interact(user)
/obj/machinery/power/generator/attack_hand(mob/user)
if(..())
user << browse(null, "window=teg")
return
interact(user)
/obj/machinery/power/generator/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
if(istype(W, /obj/item/weapon/wrench))
anchored = !anchored
to_chat(user, "\blue You [anchored ? "secure" : "unsecure"] the bolts holding [src] to the floor.")
use_power = anchored
reconnect()
if(!anchored)
disconnect()
power_change()
else
connect()
playsound(loc, 'sound/items/Ratchet.ogg', 50, 1)
to_chat(user, "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding [src] to the floor.</span>")
else if(istype(W, /obj/item/device/multitool))
if(cold_dir == WEST)
cold_dir = EAST
hot_dir = WEST
else
cold_dir = WEST
hot_dir = EAST
connect()
to_chat(user, "<span class='notice'>You reverse the generator's circulator settings. The cold circulator is now on the [dir2text(cold_dir)] side, and the heat circulator is now on the [dir2text(hot_dir)] side.</span>")
update_desc()
else
..()
..()
/obj/machinery/power/generator/proc/get_menu(include_link = 1)
var/t = ""
if(!powernet)
t += "<span class='bad'>Unable to connect to the power network!</span>"
t += "<BR><A href='?src=[UID()];check=1'>Retry</A>"
else if(cold_circ && hot_circ)
var/datum/gas_mixture/cold_circ_air1 = cold_circ.air1
var/datum/gas_mixture/cold_circ_air2 = cold_circ.air2
var/datum/gas_mixture/hot_circ_air1 = hot_circ.air1
var/datum/gas_mixture/hot_circ_air2 = hot_circ.air2
/obj/machinery/power/generator/attack_hand(mob/user)
add_fingerprint(user)
if(stat & (BROKEN|NOPOWER) || !anchored) return
interact(user)
t += "<div class='statusDisplay'>"
t += "Output: [round(lastgen)] W"
t += "<BR>"
t += "<B><font color='blue'>Cold loop</font></B><BR>"
t += "Temperature Inlet: [round(cold_circ_air2.temperature, 0.1)] K / Outlet: [round(cold_circ_air1.temperature, 0.1)] K<BR>"
t += "Pressure Inlet: [round(cold_circ_air2.return_pressure(), 0.1)] kPa / Outlet: [round(cold_circ_air1.return_pressure(), 0.1)] kPa<BR>"
t += "<B><font color='red'>Hot loop</font></B><BR>"
t += "Temperature Inlet: [round(hot_circ_air2.temperature, 0.1)] K / Outlet: [round(hot_circ_air1.temperature, 0.1)] K<BR>"
t += "Pressure Inlet: [round(hot_circ_air2.return_pressure(), 0.1)] kPa / Outlet: [round(hot_circ_air1.return_pressure(), 0.1)] kPa<BR>"
t += "</div>"
else
t += "<span class='bad'>Unable to locate all parts!</span>"
t += "<BR><A href='?src=[UID()];check=1'>Retry</A>"
if(include_link)
t += "<BR><A href='?src=[UID()];close=1'>Close</A>"
return t
/obj/machinery/power/generator/interact(mob/user)
if( (get_dist(src, user) > 1 ) && (!istype(user, /mob/living/silicon/ai)))
user.unset_machine()
user << browse(null, "window=teg")
return
user.set_machine(src)
var/t = "<PRE><B>Thermo-Electric Generator</B><HR>"
if(circ1 && circ2)
t += "Output : [round(lastgen)] W<BR><BR>"
t += "<B>Primary Circulator (top or right)</B><BR>"
t += "Inlet Pressure: [round(circ1.air1.return_pressure(), 0.1)] kPa<BR>"
t += "Inlet Temperature: [round(circ1.air1.temperature, 0.1)] K<BR>"
t += "Outlet Pressure: [round(circ1.air2.return_pressure(), 0.1)] kPa<BR>"
t += "Outlet Temperature: [round(circ1.air2.temperature, 0.1)] K<BR>"
t += "<B>Secondary Circulator (bottom or left)</B><BR>"
t += "Inlet Pressure: [round(circ2.air1.return_pressure(), 0.1)] kPa<BR>"
t += "Inlet Temperature: [round(circ2.air1.temperature, 0.1)] K<BR>"
t += "Outlet Pressure: [round(circ2.air2.return_pressure(), 0.1)] kPa<BR>"
t += "Outlet Temperature: [round(circ2.air2.temperature, 0.1)] K<BR>"
else
t += "Unable to connect to circulators.<br>"
t += "Ensure both are in position and wrenched into place."
t += "<BR>"
t += "<HR>"
t += "<A href='?src=[UID()]'>Refresh</A> <A href='?src=[UID()];close=1'>Close</A>"
user << browse(t, "window=teg;size=460x300")
onclose(user, "teg")
var/datum/browser/popup = new(user, "teg", "Thermo-Electric Generator", 460, 300)
popup.set_content(get_menu())
popup.set_title_image(user.browse_rsc_icon(src.icon, src.icon_state))
popup.open()
return 1
/obj/machinery/power/generator/Topic(href, href_list)
..()
if(..())
return 0
if( href_list["close"] )
usr << browse(null, "window=teg")
usr.unset_machine()
return 0
updateDialog()
if( href_list["check"] )
if(!powernet || !cold_circ || !hot_circ)
connect()
return 1
/obj/machinery/power/generator/power_change()
..()
updateicon()
/obj/machinery/power/generator/verb/rotate_clock()
set category = "Object"
set name = "Rotate Generator (Clockwise)"
set src in view(1)
if(usr.stat || usr.restrained() || anchored)
return
src.dir = turn(src.dir, 90)
/obj/machinery/power/generator/verb/rotate_anticlock()
set category = "Object"
set name = "Rotate Generator (Counterclockwise)"
set src in view(1)
if(usr.stat || usr.restrained() || anchored)
return
src.dir = turn(src.dir, -90)
update_icon()
-143
View File
@@ -1,143 +0,0 @@
/obj/machinery/power/generator_type2
name = "thermoelectric generator"
desc = "It's a high efficiency thermoelectric generator."
icon_state = "teg"
anchored = 1
density = 1
use_power = 0
var/obj/machinery/atmospherics/unary/generator_input/input1
var/obj/machinery/atmospherics/unary/generator_input/input2
var/lastgen = 0
var/lastgenlev = -1
var/image/overlay_image
/obj/machinery/power/generator_type2/New()
..()
spawn(5)
input1 = locate(/obj/machinery/atmospherics/unary/generator_input) in get_step(src,turn(dir, 90))
input2 = locate(/obj/machinery/atmospherics/unary/generator_input) in get_step(src,turn(dir, -90))
if(!input1 || !input2)
stat |= BROKEN
updateicon()
/obj/machinery/power/generator_type2/proc/updateicon()
if(isnull(src.overlay_image))
src.overlay_image = image('icons/obj/power.dmi')
overlays.Cut()
if(!(stat & (NOPOWER|BROKEN)))
if(lastgenlev != 0)
src.overlay_image.icon_state = "teg-op[lastgenlev]"
overlays += src.overlay_image
#define GENRATE 800 // generator output coefficient from Q
/obj/machinery/power/generator_type2/process()
if(!input1 || !input2)
return
var/datum/gas_mixture/air1 = input1.return_exchange_air()
var/datum/gas_mixture/air2 = input2.return_exchange_air()
lastgen = 0
if(air1 && air2)
var/datum/gas_mixture/hot_air = air1
var/datum/gas_mixture/cold_air = air2
if(hot_air.temperature < cold_air.temperature)
hot_air = air2
cold_air = air1
var/hot_air_heat_capacity = hot_air.heat_capacity()
var/cold_air_heat_capacity = cold_air.heat_capacity()
var/delta_temperature = hot_air.temperature - cold_air.temperature
if(delta_temperature > 1 && cold_air_heat_capacity > 0.01 && hot_air_heat_capacity > 0.01)
var/efficiency = (1 - cold_air.temperature/hot_air.temperature)*0.65 //65% of Carnot efficiency
var/energy_transfer = delta_temperature*hot_air_heat_capacity*cold_air_heat_capacity/(hot_air_heat_capacity+cold_air_heat_capacity)
var/heat = energy_transfer*(1-efficiency)
lastgen = energy_transfer*efficiency
hot_air.temperature = hot_air.temperature - energy_transfer/hot_air_heat_capacity
cold_air.temperature = cold_air.temperature + heat/cold_air_heat_capacity
// to_chat(world, "POWER: [lastgen] W generated at [efficiency*100]% efficiency and sinks sizes [cold_air_heat_capacity], [hot_air_heat_capacity]")
input1.parent.update = 1
input2.parent.update = 1
add_avail(lastgen)
// update icon overlays only if displayed level has changed
var/genlev = max(0, min( round(11*lastgen / 100000), 11))
if(genlev != lastgenlev)
lastgenlev = genlev
updateicon()
src.updateDialog()
/obj/machinery/power/generator_type2/attack_ai(mob/user)
if(stat & (BROKEN|NOPOWER)) return
interact(user)
/obj/machinery/power/generator_type2/attack_hand(mob/user)
add_fingerprint(user)
if(stat & (BROKEN|NOPOWER)) return
interact(user)
/obj/machinery/power/generator_type2/interact(mob/user)
if( (get_dist(src, user) > 1 ) && (!istype(user, /mob/living/silicon/ai)))
user.unset_machine()
user << browse(null, "window=teg")
return
user.set_machine(src)
var/t = "<PRE><B>Thermo-Electric Generator</B><HR>"
t += "Output : [round(lastgen)] W<BR><BR>"
t += "<B>Cold loop</B><BR>"
t += "Temperature: [round(input1.air_contents.temperature, 0.1)] K<BR>"
t += "Pressure: [round(input1.air_contents.return_pressure(), 0.1)] kPa<BR>"
t += "<B>Hot loop</B><BR>"
t += "Temperature: [round(input2.air_contents.temperature, 0.1)] K<BR>"
t += "Pressure: [round(input2.air_contents.return_pressure(), 0.1)] kPa<BR>"
t += "<BR><HR><A href='?src=[UID()];close=1'>Close</A>"
t += "</PRE>"
user << browse(t, "window=teg;size=460x300")
onclose(user, "teg")
return 1
/obj/machinery/power/generator_type2/Topic(href, href_list)
..()
if( href_list["close"] )
usr << browse(null, "window=teg")
usr.unset_machine()
return 0
return 1
/obj/machinery/power/generator_type2/power_change()
..()
updateicon()