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'  Beginning Beginner Series
'  Hi-Lo / Guess the number game
'  Windows variant for Rapid-Q
'  Steven Edwards
'  March 2000

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'  compiler directives
$apptype GUI
$typecheck ON

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'  function / subroutine declarations
declare sub NumUpdate
declare sub PlayerGuess

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'  global variables
dim Target as byte
dim LowGuess as byte
dim HighGuess as byte
dim PlayerTries as integer

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'  GUI form layout
create MainForm as QForm
  caption = "HI/LO (Guess the Number)"
  width = 320
  height = 200
  center
  create btnGuess as QButton
    '  player clicks button to register new guess
    top = 95
    left = 120
    caption = "GUESS"
    onclick = PlayerGuess
  end create
  create TrackBar as QTrackBar
    '  player moves slide bar to select new guess
    top = 50
    left = 80
    '  guess from 1 to 100
    min = 1
    max = 100
    '  tick marks every 25 positions
    frequency = 25
    '  start player at 50th position
    position = 50
    '  highlight available area for guesses
    selstart = 1
    selend = 100
    onchange = NumUpdate
  end create
  create lblSelectedNum as QLabel
    '  label lets player see exact number of 
    '  trackbar position
    top = 55
    left = 250
    caption = str$(TrackBar.position)
  end create
  create lblAttempts as QLabel
    '  label shows a counter of attempted guesses
    top = 10
    left = 120
    caption = "Attempted : "
  end create
  create lblMessage as QLabel
    '  label for messages to player from program
    top = 30
    left = 120
    caption = "Make a Guess"
  end create
  create lblRating as QLabel
  '  label for rating the player performance
  top = 135
  left = 10
  caption = "RATING : ?"
  width = 300
  alignment = 2
  end create
end create

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'  main startup code
'  generate a random number from 1 to 100
randomize
Target = rnd(100) + 1
'  set available numbers to select at lowest
'  and highest points
LowGuess = 1
HighGuess = 100
'  set player attempts counter at zero
PlayerTries = 0
'  show form to start program running
MainForm.showmodal


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'  function / subroutine implementation
sub NumUpdate
  '  routine is called when trackbar is moved
  if TrackBar.position < LowGuess then
    '  do not let the player slide the selector
    '  blelow the current lowest guess
    TrackBar.position = LowGuess
  end if
  if TrackBar.position > HighGuess then
    '  do not let the player slide the selector
    '  above the current highest guess
    TrackBar.position = HighGuess
  end if
  '  update label to show exact position of 
  '  trackbar selector
  lblSelectedNum.caption = str$(TrackBar.Position)
end sub

sub PlayerGuess
  '  routine is called when player clicks the 
  '  GUESS button to try new guess 
  inc(PlayerTries)
  '  increment player attempts counter and display
  lblAttempts.caption = "Attempted : " + str$(PlayerTries)
  if TrackBar.position < Target then
    '  too low, let player know that a HIGHER
    '  number is needed and lock out selection
    '  of numbers lower than current guess
    LowGuess = TrackBar.position
    lblMessage.caption = "Guess Higher"
  elseif TrackBar.position > Target then
    '  too high, let player know that a LOWER
    '  number is needed and lock out selection
    '  of numbers higher than current guess
    HighGuess = TrackBar.position
    lblMessage.caption = "Guess Lower"
  else
    '  must have nailed it, lock out all other 
    '  numbers and disable the GUESS button
    lblMessage.caption = "CORRECT!!!!"
    LowGuess = TrackBar.position
    HighGuess = TrackBar.position
    btnGuess.enabled = 0
    '  give player a rating
    select case PlayerTries
      case is < 5
        lblRating.caption = "RATING : LUCKY GUESS!"
      case 5
        lblRating.caption = "RATING : LUCKY MASTER STRATEGIST"
      case 6 to 7
        lblRating.caption = "RATING : MASTER STRATEGIST"
      case 8 to 9
        lblRating.caption = "RATING : STRATEGIST"
      case 9 to 11
        lblRating.caption = "RATING : SERIOUS PLAYER"
      case 12 to 20
        lblRating.caption = "RATING : BEGINNER"
      case is > 20
        lblRating.caption = "RATING : ASK DADDY FOR HELP"
    end select
    '  re-set following or centering of text does
    '  not work
    lblRating.width = 300
    lblRating.alignment = 2
  end if
  '  highlight track bar selections from lowest
  '  to highest selectable numbers
  TrackBar.selstart = LowGuess
  TrackBar.selend = HighGuess
end sub