LSplit

# LSlip:    It shows a smiley on yer screen!
#           Also outputs the average longitudinal slip of the rear tyres to a comma separated list (OFF BY DEFAULT).
# Date:     20-Aug-2013
# Filename: LSplit.py
# Folder: <AC_path>\apps\python\LSplit\

import ac
import acsys

#                                               Smiley settings, you can change these.
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ## # # # # # # # # # # # #
#                                                                                                                                               #
# SmileyShowTime        0 to 3  (float, seconds). Default: 0.5                                                                                  #
#       Action needs to last this long in order to be shown. 0 (instant), 3 (likely to miss ":)" and ":D").                                     #
#                                                                                                                                               #
# SlipLimitLow          0 to ~4000  (Scalar). Default: 3000                                                                                     #
#       Anything below this is ":|" (no slip). Too low and you never see it; too high and it's all you see.                                     #
#                                                                                                                                               #
# SlipLimitMid          ~2000 to ~6000  (Scalar). Default: 4000                                                                                 #
#       Between Low and Mid is ":)". Reduce to see less ":)" and more ":D". Increase to see more ":)" and less ":D".                            #
#                                                                                                                                               #
# SlipLimitHigh         ~4000+ (Scalar). Over 32k may be out of bounds. Default: 5500                                                           #
#       Between Mid and High is ":D". More than High is ":O". Reduce to see more ":O" and less ":D". Increase to see less ":O" and more ":D".   #
#                                                                                                                                               #
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SmileyShowTime = 0.5
SlipLimitLow = 3000
SlipLimitMid = 4000
SlipLimitHigh = 5500

#                                               Slip value output settings, you can change these.
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#                                                                                                                                               #
# OutputFile            String.                                                                                                                 #
#       Full path and file name of output file.                                                                                                 #
#                                                                                                                                               #
# WriteToFile           0 or 1  (bool).                                                                                                         #
#       0 = output to file is disabled. 1 = output to file is enabled. A 1:25 lap is around 35kB.                                               #
#                                                                                                                                               #
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OutputFile = 'd:\out.txt'
WriteToFile = 0

### Code starts here, stay away! ###
CurLap = 0
SlipValues = ''
IsFileReset = 0
SmileyTimer = 0
SmileyText = 0

def acMain(ac_version):
    global SmileyText

    # Frame settings.
    appWindow = ac.newApp('LSlip')
    ac.setSize(appWindow, 120, 60)

    # Text settings.
    SmileyText = ac.addLabel(appWindow, 'Value')
    ac.setPosition(SmileyText, 10, 30)
    ac.setFontAlignment(SmileyText, 'center')
    ac.setSize(SmileyText, 100, 30)

    return 'LSlip'

def acUpdate(deltaT):
    global SmileyText, CurLap, SlipValues, IsFileReset, SmileyTimer, SmileyShowTime, OutputFile, SlipLimitLow, SlipLimitMid, SlipLimitHigh

    # Smiley section.
    FL, FR, RL, RR = ac.getCarState(0, acsys.CS.TyreSlip)
    CurSlipValue = round( (RL+RR)/2 )

    if SmileyTimer > SmileyShowTime:
        if SlipLimitLow < CurSlipValue < SlipLimitMid+1:
            ac.setText(SmileyText, ':)')
        elif SlipLimitMid < CurSlipValue < SlipLimitHigh:
            ac.setText(SmileyText, ':D')
        elif CurSlipValue >= SlipLimitHigh:
            ac.setText(SmileyText, ':O')
        else:
            ac.setText(SmileyText, ':|')
        SmileyTimer = 0
    else:
        SmileyTimer += deltaT

    # Slip value output section.
    CurLapCount = ac.getCarState(0, acsys.CS.LapCount)

    if WriteToFile:
        # Remove old output file at initial load.
        if not IsFileReset:
            open(OutputFile, 'w').close()
            IsFileReset = 1

        # Write to file if lap has changed.
        if CurLapCount > CurLap:
            f = open(OutputFile, 'a')
            f.write(SlipValues)
            f.close()
            SlipValues = ''     # remove written data from memory.
            CurLap = CurLap + 1
        else:
            # Ignore small slip values, can be changed.
            if CurSlipValue > 75:
                SlipValues += str(CurSlipValue) + ','