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vgstation13/code/modules/power/generator.dm

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// dummy generator object for testing
/*/obj/machinery/power/generator/verb/set_amount(var/g as num)
set src in view(1)
gen_amount = g
*/
/obj/machinery/power/generator/New()
..()
spawn(5)
circ1 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,WEST)
circ2 = locate(/obj/machinery/atmospherics/binary/circulator) in get_step(src,EAST)
if(circ1)
circ1.side = 1
circ1.update_icon()
if(circ2)
circ2.side = 2
circ2.update_icon()
if(!circ1 || !circ2)
stat |= BROKEN
updateicon()
/obj/machinery/power/generator/proc/updateicon()
if(stat & (NOPOWER|BROKEN))
overlays = null
else
overlays = null
if(lastgenlev != 0)
overlays += image('power.dmi', "teg-op[lastgenlev]")
#define GENRATE 800 // generator output coefficient from Q
/obj/machinery/power/generator/process()
//world << "Generator process ran"
if(!circ1 || !circ2)
return
//world << "circ1 and circ2 pass"
var/datum/gas_mixture/cold_air = circ1.return_transfer_air()
var/datum/gas_mixture/hot_air = circ2.return_transfer_air()
lastgen = 0
//world << "hot_air = [hot_air]; cold_air = [cold_air];"
if(cold_air && hot_air)
//world << "hot_air = [hot_air] temperature = [hot_air.temperature]; cold_air = [cold_air] temperature = [hot_air.temperature];"
//world << "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
//world << "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
//world << "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
world << "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)
circ2.air2.merge(hot_air)
if(cold_air)
circ1.air2.merge(cold_air)
var/genlev = max(0, min( round(11*lastgen / 100000), 11))
if(genlev != lastgenlev)
lastgenlev = genlev
updateicon()
src.updateDialog()
/obj/machinery/power/generator/attack_ai(mob/user)
if(stat & (BROKEN|NOPOWER)) return
interact(user)
/obj/machinery/power/generator/attack_hand(mob/user)
add_fingerprint(user)
if(stat & (BROKEN|NOPOWER)) return
interact(user)
/obj/machinery/power/generator/proc/interact(mob/user)
if ( (get_dist(src, user) > 1 ) && (!istype(user, /mob/living/silicon/ai)))
user.machine = null
user << browse(null, "window=teg")
return
user.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 Inlet: [round(circ1.air1.temperature, 0.1)] K Outlet: [round(circ1.air2.temperature, 0.1)] K<BR>"
t += "Pressure Inlet: [round(circ1.air1.return_pressure(), 0.1)] kPa Outlet: [round(circ1.air2.return_pressure(), 0.1)] kPa<BR>"
t += "<B>Hot loop</B><BR>"
t += "Temperature Inlet: [round(circ2.air1.temperature, 0.1)] K Outlet: [round(circ2.air2.temperature, 0.1)] K<BR>"
t += "Pressure Inlet: [round(circ2.air1.return_pressure(), 0.1)] kPa Outlet: [round(circ2.air2.return_pressure(), 0.1)] kPa<BR>"
t += "<BR><HR><A href='?src=\ref[src];close=1'>Close</A>"
t += "</PRE>"
user << browse(t, "window=teg;size=460x300")
onclose(user, "teg")
return 1
/obj/machinery/power/generator/Topic(href, href_list)
..()
if( href_list["close"] )
usr << browse(null, "window=teg")
usr.machine = null
return 0
return 1
/obj/machinery/power/generator/power_change()
..()
updateicon()