crossing_signal

Pedestrian crossing signal for tram

Vars
amber_distance_threshold	Proximity threshold for amber warning (slow people may be in danger)
red_distance_threshold	Proximity threshold for red warning (running people will likely not be able to cross)
signal_state	green, amber, or red.
tram_id	The ID of the tram we control
tram_ref	Weakref to the tram piece we control
Procs
find_tram	Finds the tram, just like the tram computer
on_tram_travelling	Only process if the tram is actually moving
set_signal_state	Set the signal state and update appearance.
update_operating	Update processing state.

Var Details

var
amber_distance_threshold
–

Proximity threshold for amber warning (slow people may be in danger)

var
red_distance_threshold
–

Proximity threshold for red warning (running people will likely not be able to cross)

var
signal_state
–

green, amber, or red.

var
tram_id
–

The ID of the tram we control

var
tram_ref
– /datum/weakref

Weakref to the tram piece we control

Proc Details

proc
find_tram
()

Finds the tram, just like the tram computer

Locates tram parts in the lift global list after everything is done.

proc
on_tram_travelling
(/datum/source, travelling)

Only process if the tram is actually moving

proc
set_signal_state
(new_state, force)

Set the signal state and update appearance.

Arguments: new_state - the new state (XING_STATE_RED, etc) force_update - force appearance to update even if state didn't change.

proc
update_operating
()

Update processing state.

Returns whether we are still processing.

crossing_signal /obj/machinery/crossing_signal

Vars

Procs

Var Details

var amber_distance_threshold –

var red_distance_threshold –

var signal_state –

var tram_id –

var tram_ref – /datum/weakref