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143 changes: 143 additions & 0 deletions
143
code/modules/atmospherics/machinery/components/unary/env_heat_pump.dm
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| /obj/machinery/atmospherics/component/unary/env_heat_pump | ||
| name = "Room heat exchanger" | ||
| icon = 'icons/obj/atmos.dmi' | ||
| icon_state = "env_heat_pump" | ||
| density = 1 | ||
| anchored = 1 | ||
| use_power = USE_POWER_OFF | ||
| idle_power_usage = 5 // 5 Watts for thermostat related circuitry | ||
| pipe_flags = PIPING_ONE_PER_TURF | ||
| connect_types = CONNECT_TYPE_AUX | ||
| var/env_temp | ||
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| var/frequency = 1439 | ||
| var/datum/radio_frequency/radio_connection | ||
| var/id_tag | ||
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| power_rating = 30000 // standard for machinery (including normal pumps) is 7500, heatpumps have 15000 | ||
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| var/target_temp = T20C | ||
| efficiency_multiplier = 1.5 //Bigger device probably works a bit better than the small cramped one | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/Initialize(mapload) | ||
| . = ..() | ||
| START_MACHINE_PROCESSING(src) | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/atmos_init() | ||
| . = ..() | ||
| if(frequency) | ||
| var/radio_filter_in = frequency==1439?(RADIO_FROM_AIRALARM):null | ||
| radio_connection = register_radio(src, frequency, frequency, radio_filter_in) | ||
| src.broadcast_status() | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/Destroy() | ||
| . = ..() | ||
| STOP_MACHINE_PROCESSING(src) | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/update_icon() | ||
| . = ..() | ||
| if(use_power) | ||
| if(env_temp > target_temp+0.001)//We dont work on such minor | ||
| icon_state = "env_heat_pump_cool" | ||
| else if(env_temp < target_temp-0.001) | ||
| icon_state = "env_heat_pump_heat" | ||
| else | ||
| if(use_power > 1) | ||
| icon_state = "env_heat_pump_on" | ||
| else | ||
| icon_state = "env_heat_pump" | ||
| else | ||
| icon_state = "env_heat_pump" | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/process(delta_time) | ||
| . = ..() | ||
| update_icon() | ||
| if((machine_stat & (NOPOWER|BROKEN)) || !use_power) | ||
| use_power = USE_POWER_OFF //We cant operate so we might as well turn off | ||
| return | ||
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| var/datum/gas_mixture/env = return_air() | ||
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| if(!air_contents || !env || !istype(env)) | ||
| use_power = USE_POWER_OFF //We cant operate so we might as well turn off | ||
| return | ||
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| //If there is no air_contents or env the temperature is assumed 0 Kelvin which allows for | ||
| if((air_contents.temperature < 1) || (env.temperature < 1)) | ||
| use_power = USE_POWER_OFF //We cant operate so we might as well turn off | ||
| return | ||
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| env_temp = env.temperature | ||
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| //Now we are at the point where we need to actively pump | ||
| var/efficiency = get_thermal_efficiency(air_contents, env) * efficiency_multiplier | ||
| CACHE_VSC_PROP(atmos_vsc, /atmos/heatpump/performance_factor, performance_factor) | ||
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| var/actual_performance_factor = performance_factor*efficiency | ||
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| var/max_energy_transfer = actual_performance_factor*power_rating | ||
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| if(abs(env.temperature - target_temp) < 0.001) // don't want wild swings and too much power use | ||
| use_power = USE_POWER_IDLE //We cant operate so we might as well turn off | ||
| return | ||
| //only adds the energy actually removed from air one to air two(- infront of air_contents because energy was removed) | ||
| var/energy_transfered = -air_contents.adjust_thermal_energy(-clamp(env.get_thermal_energy_change(target_temp),-max_energy_transfer,max_energy_transfer)) | ||
| energy_transfered=abs(env.adjust_thermal_energy(energy_transfered)) | ||
| var/power_draw = abs(energy_transfered/actual_performance_factor) | ||
| if (power_draw >= 0) | ||
| last_power_draw_legacy = power_draw | ||
| use_power(power_draw) | ||
| network?.update = 1 | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/proc/get_thermal_efficiency(var/datum/gas_mixture/air1, var/datum/gas_mixture/air2) | ||
| if((target_temp < air2.temperature)) | ||
| return clamp((air2.temperature / air1.temperature), 0, 1) | ||
| else if((target_temp > air2.temperature)) | ||
| return clamp((air1.temperature / air2.temperature), 0, 1) | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/receive_signal(datum/signal/signal, receive_method, receive_param) | ||
| if(machine_stat & (NOPOWER|BROKEN)) | ||
| return | ||
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| if(!signal.data["tag"] || (signal.data["tag"] != id_tag) || (signal.data["sigtype"]!="command")) | ||
| return 0 | ||
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| if(!isnull(signal.data["power"])) | ||
| if(text2num(signal.data["power"]) != 0) | ||
| use_power = USE_POWER_ACTIVE | ||
| else | ||
| use_power = USE_POWER_OFF | ||
| if(!isnull(signal.data["target_temperature"])) | ||
| target_temp = text2num(signal.data["target_temperature"]) | ||
| spawn(2) | ||
| broadcast_status() | ||
| if(signal.data["status"] == null) | ||
| update_icon() | ||
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| /obj/machinery/atmospherics/component/unary/env_heat_pump/proc/broadcast_status() | ||
| if(!radio_connection) | ||
| return 0 | ||
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| var/datum/signal/signal = new | ||
| signal.transmission_method = 1 //radio signal | ||
| signal.source = src | ||
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| signal.data = list( | ||
| "device" = "EHP", | ||
| "power" = use_power, | ||
| "target_temp" = target_temp, | ||
| "timestamp" = world.time, | ||
| "sigtype" = "status", | ||
| "power_draw" = last_power_draw_legacy, | ||
| "flow_rate" = last_flow_rate_legacy, | ||
| ) | ||
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| radio_connection.post_signal(src, signal, null) | ||
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| return 1 |
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