Files
CHOMPStation2/code/game/machinery/embedded_controller/airlock_program.dm
mwerezak ad7a1c5d59 Adds docking controllers
Squashed 10 commits:

Adds simple docking controllers

Adds docking_controllers.dm

Moves docking handshake code into its own type
Keeps docking code separate from the code for messing with airlocks and
doors.

Improves handling of invalid states

Adds docking controller to research shuttle dock

Also adds the start of a nano-ui template.

Resetting the dock controller resets the override

Adds debug verbs

Adds support for overriding docking checks

Less confusing name for the docking program
2014-06-09 23:14:53 -04:00

332 lines
10 KiB
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//Handles the control of airlocks
#define STATE_WAIT 0
#define STATE_DEPRESSURIZE 1
#define STATE_PRESSURIZE 2
#define TARGET_NONE 0
#define TARGET_INOPEN -1
#define TARGET_OUTOPEN -2
/datum/computer/file/embedded_program/airlock
var/tag_exterior_door
var/tag_interior_door
var/tag_airpump
var/tag_chamber_sensor
var/tag_exterior_sensor
var/tag_interior_sensor
var/state = STATE_WAIT
var/target_state = TARGET_NONE
/datum/computer/file/embedded_program/airlock/New()
..()
memory["chamber_sensor_pressure"] = ONE_ATMOSPHERE
memory["external_sensor_pressure"] = 0 //assume vacuum for simple airlock controller
memory["internal_sensor_pressure"] = ONE_ATMOSPHERE
memory["exterior_status"] = list(state = "closed", lock = "locked") //assume closed and locked in case the doors dont report in
memory["interior_status"] = list(state = "closed", lock = "locked")
memory["pump_status"] = "unknown"
memory["target_pressure"] = ONE_ATMOSPHERE
memory["purge"] = 0
memory["secure"] = 0
/datum/computer/file/embedded_program/airlock/receive_signal(datum/signal/signal, receive_method, receive_param)
var/receive_tag = signal.data["tag"]
if(!receive_tag) return
if(receive_tag==tag_chamber_sensor)
if(signal.data["pressure"])
memory["chamber_sensor_pressure"] = text2num(signal.data["pressure"])
else if(receive_tag==tag_exterior_sensor)
memory["external_sensor_pressure"] = text2num(signal.data["pressure"])
else if(receive_tag==tag_interior_sensor)
memory["internal_sensor_pressure"] = text2num(signal.data["pressure"])
else if(receive_tag==tag_exterior_door)
memory["exterior_status"]["state"] = signal.data["door_status"]
memory["exterior_status"]["lock"] = signal.data["lock_status"]
else if(receive_tag==tag_interior_door)
memory["interior_status"]["state"] = signal.data["door_status"]
memory["interior_status"]["lock"] = signal.data["lock_status"]
else if(receive_tag==tag_airpump)
if(signal.data["power"])
memory["pump_status"] = signal.data["direction"]
else
memory["pump_status"] = "off"
else if(receive_tag==id_tag)
if(istype(master, /obj/machinery/embedded_controller/radio/airlock/access_controller))
switch(signal.data["command"])
if("cycle_exterior")
receive_user_command("cycle_ext_door")
if("cycle_interior")
receive_user_command("cycle_int_door")
if("cycle")
if(memory["interior_status"]["state"] == "open") //handle backwards compatibility
receive_user_command("cycle_ext")
else
receive_user_command("cycle_int")
else
switch(signal.data["command"])
if("cycle_exterior")
receive_user_command("cycle_ext")
if("cycle_interior")
receive_user_command("cycle_int")
if("cycle")
if(memory["interior_status"]["state"] == "open") //handle backwards compatibility
receive_user_command("cycle_ext")
else
receive_user_command("cycle_int")
/datum/computer/file/embedded_program/airlock/receive_user_command(command)
var/shutdown_pump = 0
switch(command)
if("cycle_ext")
begin_cycle_out()
if("cycle_int")
begin_cycle_in()
if("cycle_ext_door")
cycleDoors(TARGET_OUTOPEN)
if("cycle_int_door")
cycleDoors(TARGET_INOPEN)
if("abort")
state = STATE_PRESSURIZE
target_state = TARGET_NONE
memory["target_pressure"] = ONE_ATMOSPHERE
signalPump(tag_airpump, 1, 1, memory["target_pressure"])
process()
if("force_ext")
toggleDoor(memory["exterior_status"], tag_exterior_door, memory["secure"], "toggle")
if("force_int")
toggleDoor(memory["interior_status"], tag_interior_door, memory["secure"], "toggle")
if("purge")
memory["purge"] = !memory["purge"]
if(memory["purge"])
toggleDoor(memory["exterior_status"], tag_exterior_door, 1, "close")
toggleDoor(memory["interior_status"], tag_interior_door, 1, "close")
state = STATE_DEPRESSURIZE
target_state = TARGET_NONE
signalPump(tag_airpump, 1, 0, 0)
if("secure")
memory["secure"] = !memory["secure"]
if(memory["secure"])
signalDoor(tag_interior_door, "lock")
signalDoor(tag_exterior_door, "lock")
else
signalDoor(tag_interior_door, "unlock")
signalDoor(tag_exterior_door, "unlock")
if(shutdown_pump)
signalPump(tag_airpump, 0) //send a signal to stop pressurizing
/datum/computer/file/embedded_program/airlock/process()
if(!state)
if(target_state)
switch(target_state)
if(TARGET_INOPEN)
memory["target_pressure"] = memory["internal_sensor_pressure"]
if(TARGET_OUTOPEN)
memory["target_pressure"] = memory["external_sensor_pressure"]
//lock down the airlock before activating pumps
close_doors()
var/chamber_pressure = memory["chamber_sensor_pressure"]
var/target_pressure = memory["target_pressure"]
if(memory["purge"])
target_pressure = 0
if(chamber_pressure <= target_pressure)
state = STATE_PRESSURIZE
signalPump(tag_airpump, 1, 1, target_pressure) //send a signal to start pressurizing
else if(chamber_pressure > target_pressure)
state = STATE_DEPRESSURIZE
signalPump(tag_airpump, 1, 0, target_pressure) //send a signal to start depressurizing
//Check for vacuum - this is set after the pumps so the pumps are aiming for 0
if(!memory["target_pressure"])
memory["target_pressure"] = ONE_ATMOSPHERE * 0.05
else
//make sure to return to a sane idle state
if(memory["pump_status"] != "off") //send a signal to stop pumping
signalPump(tag_airpump, 0)
//the airlock will not allow itself to continue to cycle when any of the doors are forced open.
if (state && !check_doors_secured())
stop_cycling()
switch(state)
if(STATE_PRESSURIZE)
if(memory["chamber_sensor_pressure"] >= memory["target_pressure"] * 0.95)
cycleDoors(target_state)
state = STATE_WAIT
target_state = TARGET_NONE
if(memory["pump_status"] != "off")
signalPump(tag_airpump, 0) //send a signal to stop pumping
if(STATE_DEPRESSURIZE)
if(memory["purge"])
if(memory["chamber_sensor_pressure"] <= ONE_ATMOSPHERE * 0.05)
state = STATE_PRESSURIZE
signalPump(tag_airpump, 1, 1, memory["target_pressure"])
else if(memory["chamber_sensor_pressure"] <= memory["target_pressure"] * 1.05)
cycleDoors(target_state)
state = STATE_WAIT
target_state = TARGET_NONE
//send a signal to stop pumping
if(memory["pump_status"] != "off")
signalPump(tag_airpump, 0)
memory["processing"] = state != target_state
return 1
//these are here so that other types don't have to make so many assuptions about our implementation
/datum/computer/file/embedded_program/airlock/proc/begin_cycle_in()
state = STATE_WAIT
target_state = TARGET_INOPEN
/datum/computer/file/embedded_program/airlock/proc/begin_cycle_out()
state = STATE_WAIT
target_state = TARGET_OUTOPEN
/datum/computer/file/embedded_program/airlock/proc/close_doors()
toggleDoor(memory["interior_status"], tag_interior_door, 1, "close")
toggleDoor(memory["exterior_status"], tag_exterior_door, 1, "close")
/datum/computer/file/embedded_program/airlock/proc/stop_cycling()
state = STATE_WAIT
target_state = TARGET_NONE
/datum/computer/file/embedded_program/airlock/proc/done_cycling()
return (state == STATE_WAIT && target_state == TARGET_NONE)
//are the doors closed and locked?
/datum/computer/file/embedded_program/airlock/proc/check_doors_secured()
var/ext_closed = (memory["exterior_status"]["state"] == "closed" && memory["exterior_status"]["lock"] == "locked")
var/int_closed = (memory["interior_status"]["state"] == "closed" && memory["interior_status"]["lock"] == "locked")
return (ext_closed && int_closed)
/datum/computer/file/embedded_program/airlock/proc/signalDoor(var/tag, var/command)
var/datum/signal/signal = new
signal.data["tag"] = tag
signal.data["command"] = command
post_signal(signal)
/datum/computer/file/embedded_program/airlock/proc/signalPump(var/tag, var/power, var/direction, var/pressure)
var/datum/signal/signal = new
signal.data = list(
"tag" = tag,
"sigtype" = "command",
"power" = power,
"direction" = direction,
"set_external_pressure" = pressure
)
post_signal(signal)
//this is called to set the appropriate door state at the end of a cycling process, or for the exterior buttons
/datum/computer/file/embedded_program/airlock/proc/cycleDoors(var/target)
switch(target)
if(TARGET_OUTOPEN)
toggleDoor(memory["interior_status"], tag_interior_door, memory["secure"], "close")
toggleDoor(memory["exterior_status"], tag_exterior_door, memory["secure"], "open")
if(TARGET_INOPEN)
toggleDoor(memory["exterior_status"], tag_exterior_door, memory["secure"], "close")
toggleDoor(memory["interior_status"], tag_interior_door, memory["secure"], "open")
if(TARGET_NONE)
var/command = "unlock"
if(memory["secure"])
command = "lock"
signalDoor(tag_exterior_door, command)
signalDoor(tag_interior_door, command)
/*----------------------------------------------------------
toggleDoor()
Sends a radio command to a door to either open or close. If
the command is 'toggle' the door will be sent a command that
reverses it's current state.
Can also toggle whether the door bolts are locked or not,
depending on the state of the 'secure' flag.
Only sends a command if it is needed, i.e. if the door is
already open, passing an open command to this proc will not
send an additional command to open the door again.
----------------------------------------------------------*/
/datum/computer/file/embedded_program/airlock/proc/toggleDoor(var/list/doorStatus, var/doorTag, var/secure, var/command)
var/doorCommand = null
if(command == "toggle")
if(doorStatus["state"] == "open")
command = "close"
else if(doorStatus["state"] == "closed")
command = "open"
switch(command)
if("close")
if(secure)
if(doorStatus["state"] == "open")
doorCommand = "secure_close"
else if(doorStatus["lock"] == "unlocked")
doorCommand = "lock"
else
if(doorStatus["state"] == "open")
if(doorStatus["lock"] == "locked")
signalDoor(doorTag, "unlock")
doorCommand = "close"
else if(doorStatus["lock"] == "locked")
doorCommand = "unlock"
if("open")
if(secure)
if(doorStatus["state"] == "closed")
doorCommand = "secure_open"
else if(doorStatus["lock"] == "unlocked")
doorCommand = "lock"
else
if(doorStatus["state"] == "closed")
if(doorStatus["lock"] == "locked")
signalDoor(doorTag,"unlock")
doorCommand = "open"
else if(doorStatus["lock"] == "locked")
doorCommand = "unlock"
if(doorCommand)
signalDoor(doorTag, doorCommand)
#undef STATE_WAIT
#undef STATE_DEPRESSURIZE
#undef STATE_PRESSURIZE
#undef TARGET_NONE
#undef TARGET_INOPEN
#undef TARGET_OUTOPEN