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-- Classification track
local this_dir = false -- F.dir arrow points north then this is true
if F.yard_active() then
if atc_arrow then -- loco is at working end
F.remove_rc({"TY_PICKUP"})
if F.has_rc("TY_ARRIVE") then --first pass, prep train for working
if F.has_rc("TY_RTS") then
F.dir(not F.dir())
F.remove_rc({"TY_RTS"})
F.add_rc({"TY_AROUND"}) -- send loco around to the other end
split_off_locomotive("A0B0")
atc_set_ars_disable(false)
return
end
F.remove_rc({"TY_ARRIVE"})
step_fc()
end
if this_dir = F.dir() then --train has bounced and is ready to classify wagon(s)
local t_len = train_length()
local lane = split_at_fc("A0B0",3)
if t_len ~= train_length() then -- train still has wagons to classify
F.add_rc({"TY_CLASS_"..lane}) -- to be pattern matched when leaving lane
else -- train_length is the same as it was before it tried to split_at_fc, hence it's just the loco
local collect = F.get_rc_safe():match("TY_COLLECT_(%S+)")
if not collect then
F.add_rc({"TY_DEPART"}) -- run engines-light to the exit, we're not collecting anything
else
F.add_rc({"TY_FINAL_COLLECT","TY_CLASS_"..collect}) --loco is to collect lane before departing. TY_DEPART to be set by EOL
end
end
F.add_rc({"TY_HEADSHUNT"})
atc_set_ars_disable(false)
else --bounce train back towards working end
atc_send("S0WRD1S3A1")
unset_autocouple()
end
else -- train entering from the far end. set autocouple so it pushes all the way through to the bounce
set_autocouple()
end
end
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