OpenComputerScripts/station_2_3.lua

277 lines
10 KiB
Lua

--[[
Station 2/3 Schedule Program
]]
require("util")
local sides = require("sides")
local event = require("event")
-- Config your update functions here (Do not change function name)
local redin1 = proxy("redstone", "")
local redin2 = proxy("redstone", "")
local redout1 = proxy("redstone", "")
local redout2 = proxy("redstone", "")
--[[
Redstone Signals
Direction_[Type][Info]: number
]]
local ab_st, ab_sr, ab_lin, ab_lout
local ba_st, ba_sr, ba_lin, ba_lout
local function updateRedstoneInput()
ab_st = redin1.getInput(sides.north)
ab_sr = redin1.getInput(sides.east)
ba_st = redin1.getInput(sides.south)
ba_sr = redin1.getInput(sides.west)
ab_lin = redin2.getInput(sides.north)
ab_lout = redin2.getInput(sides.east)
ba_lin = redin2.getInput(sides.south)
ba_lout = redin2.getInput(sides.west)
end
-- Internal Schedule Status (Notice: Program must start without any trains in station)
local mid_direction
local ab_station_time = 0
local ba_station_time = 0
local mid_time = 0
local ab_exit_time = 0
local ba_exit_time = 0
local midab_exit_time=0 -- Mid needs cool
local midba_exit_time=0
-- NOOP print function (for release use)
local function noop_print(...)
end
-- Debug Output
local dprint = print
local function debugOutputInfo()
dprint("ab_st",ab_st,"ab_sr",ab_sr,"ba_st",ba_st,"ba_sr",ba_sr,"ab_lin",ab_lin,"ab_lout",ab_lout,"ba_lin",ba_lin,"ba_lout",ba_lout)
dprint("mid_direction",mid_direction,"ab_station_time",ab_station_time,"ba_station_time",ba_station_time,"mid_time",mid_time,"ab_exit_time",ab_exit_time,"ba_exit_time",ba_exit_time,"midab_exit_time",midab_exit_time,"midba_exit_time",midba_exit_time)
end
--[[
Internal Functions
]]
local function enabledevice(Name)
local d,s=getRawFromName(Name)
if(d~=nil and s~=nil) then d.setOutput(s,15) end
end
local function disabledevice(Name)
local d,s=getRawFromName(Name)
if(d~=nil and s~=nil) then d.setOutput(s,15) end
end
-- Notice: RedTick=0.1s GameTick=0.05s
local function delay(loop)
if(loop<0.2) then loop=0.2 end -- Less than 0.1s is useless
os.sleep(loop*0.5)
end
local running=true
local function clearRedstoneOutput()
disabledevice("ab_ko")
disabledevice("ab_m")
disabledevice("ab_ks")
disabledevice("ba_ko")
disabledevice("ba_m")
disabledevice("ba_ks")
disabledevice("mid_ka")
disabledevice("mid_kb")
end
local function doInit()
-- Flash output to zero.
clearRedstoneOutput()
AddEventListener("interrupted",
function()
running=false
print("Interrupt Signal Received.")
return false --Unregister event listener itself
end)
running=true
end
-- Main Program
local function TCSMain()
doCheck() --TODO
doInit()
while running do
-- Flush input
updateRedstoneInput()
-- Update status
if (ab_station_time > 0) then
ab_station_time = ab_station_time + 1
end
if (ba_station_time > 0) then
ba_station_time = ba_station_time + 1
end
if (mid_time > 0) then
mid_time = mid_time + 1
end
if (ab_exit_time > 0) then
ab_exit_time = ab_exit_time + 1
if (ab_exit_time > 10) then -- Exit will reset in 10 loops (5seconds)
ab_exit_time = 0
end
end
if (ba_exit_time > 0) then
ba_exit_time = ba_exit_time + 1
if (ba_exit_time > 10) then -- Exit will reset in 10 loops (5seconds)
ba_exit_time = 0
end
end
if(midab_exit_time>0) then
midab_exit_time=midab_exit_time+1
if(midab_exit_time>8) then -- MidAB will cool in 8 loops (4seconds)
midab_exit_time=0
end
end
if(midba_exit_time>0) then
midba_exit_time=midba_exit_time+1
if(midba_exit_time>8) then -- MidBA will cool in 8 loops (4seconds)
midba_exit_time=0
end
end
-- Judge Incoming bus.
if (ab_st > 0) then -- New incoming bus from A to B
if (ab_sr > 0) then -- This bus want to stop
if (ab_station_time == 0) then -- If AB Station is free
dprint("A-->B Train In")
disabledevice("ab_ks") -- disabe to let it stop
disabledevice("ab_m") -- disable to allow incoming to station
enabledevice("ab_ko") -- enable to allow incoming
delay(0.5) -- delay 50% loop time
disabledevice("ab_ko") -- disable to block another train
ab_station_time = 1 -- Start Time Counter
else -- AB Station is not free
-- This train should wait outside the station
dprint("A-->B Train Pending")
end
else -- This bus want to pass by
if (mid_time == 0 and midba_exit_time==0) then -- Mid is free and MidBA is cool
dprint("A-->Mid Train In")
enabledevice("ab_m") -- enable motor to let it pass.
enabledevice("mid_ka") -- enable switch from A
disabledevice("mid_kb") -- disable switch to B
mid_direction = "ab"
enabledevice("ab_ko") -- enable to allow incoming
delay(0.5)
disabledevice("ab_ko") -- disable to block another train
mid_time = 1 -- Start time counter
else -- Mid is busy
dprint("A-->Mid Train Pending")
-- This train should wait outside the station
end
end
end
if (ba_st > 0) then -- New incoming bus from B to A
if (ba_sr > 0) then -- This bus want to stop
if (ba_station_time == 0) then -- If BA Station is free
dprint("B-->A Train In")
disabledevice("ba_ks") -- disable to let it stop
disabledevice("ba_m") -- disable to allow incoming to station
enabledevice("ba_ko") -- enable to allow incoming
delay(0.5)
disabledevice("ba_ko") -- disable to block another train
ba_station_time = 1 -- Start Time Counter
else -- BA Station is not free
-- This train should wait outside the station
dprint("B-->A Train Pending")
end
else -- This bus want to pass by
if (mid_time == 0 and midab_exit_time==0) then -- Mid is free and MidAB is free
dprint("B-->Mid Train In")
enabledevice("ba_m")-- enable motor to let it pass.
disabledevice("mid_ka")
enabledevice("mid_kb")
enabledevice("ba_ko") -- enable to allow incoming
delay(0.5)
disabledevice("ba_ko") -- disable to block another train
mid_direction = "ba"
mid_time = 1
else -- Mid is busy
dprint("B-->Mid Train Pending")
-- This train should wait outside the station
end
end
end
if (ab_lout > 0 and ab_exit_time == 0) then -- AB next free
-- Judge which train should pass.
if (ab_station_time > 16 and (mid_time > 0 and mid_direction == "ab")) then -- Two Trains
if (ab_station_time > mid_time) then -- StationTrain wait longer.
dprint("A-->B Train Out")
ab_station_time = 0 -- Stop counter
enabledevice("ab_ks") -- enable swith to let it go
ab_exit_time = 1 -- Start Exit Counter
else -- MidTrain wait longer
dprint("Mid-->B Train out")
mid_time = 0 -- Stop Counter
enabledevice("mid_kb") -- enable switch
ab_exit_time = 1 -- Start Exit Counter
midab_exit_time = 1 -- Start mid exit counter
end
elseif (ab_station_time > 16) then --Only Station Train
dprint("A-->B Train Out")
ab_station_time = 0 -- Stop Counter
enabledevice("ab_ks")
ab_exit_time = 1 -- Start exit counter
elseif (mid_time > 0 and mid_direction == "ab") then -- Only Mid Train
dprint("Mid-->B Train Out")
mid_time = 0 -- Stop counter
enabledevice("mid_kb")
ab_exit_time = 1 -- Start exit counter
end -- No train, do nothing
end -- End of AB judge
if (ba_lout > 0 and ba_exit_time == 0) then -- BA next free
-- Judge which train should pass.
if (ba_station_time > 16 and (mid_time > 0 and mid_direction == "ba")) then -- Two Trains
if (ba_station_time > mid_time) then -- StationTrain wait longer.
dprint("B-->A Train Out")
ba_station_time = 0 -- Stop counter
enabledevice("ba_ks") -- enable swith to let it go
ba_exit_time = 1 -- Start exit counter
else -- MidTrain wait longer
dprint("Mid-->A Train Out")
mid_time = 0 -- Stop Counter
enabledevice("mid_ka")
ba_exit_time = 1 -- Start Counter
end
elseif (ba_station_time > 16) then --Only Station Train
dprint("B-->A Train Out")
ba_station_time = 0 -- Stop counter
enabledevice("ba_ks") -- enable swith to let it go
ba_exit_time = 1 -- Start exit counter
elseif (mid_time > 0 and mid_direction == "ba") then -- Only Mid Train
dprint("Mid-->A Train Out")
mid_time = 0 -- Stop Counter
enabledevice("mid_ka")
ba_exit_time = 1 -- Start Counter
end -- No train, do nothing
end -- End of BA judge
debugValueInfo()
-- Sleep for next loop
dprint("==========")
delay(1)
end -- End of while loop
-- Block All Trains on terminate.
clearRedstoneOutput()
end
print("Train Control System Start!")
TCSMain()
print("Train Control System Stop!")