alias doshits {
  var %x 1
  while %x < 183 {
    echo -a $replace($read($$1,%x),[,<,],>) $+ 
    inc %x
  }
}

menu * {
  Path Frequency Analysis:/path.init
}

alias path.init {
  if ($window(@Path)) window -c @Path
  window -pe @Path
}
alias -l path.creategrid {
  drawrect -rf @Path $rgb(255,255,255) 1 0 0 $window(@Path).w $window(@Path).h
  %path.gridX = $1 * 20
  %path.gridY = $iif($2,$2,$1) * 20
  %x.padding = 40
  %y.padding = 10
  var %x %x.padding,%y %y.padding
}
alias -l path.cleargrid {
  path.creategrid $calc(%path.gridX / 20) $calc(%path.gridY / 20)
}
alias -l path.comparePaths {
  path.cleargrid
  var %count $iif($iif($2,$2,3) > 0,$v1,1)
  var %x $calc(%path.gridX / 20 / 2)
  var %y $calc(%path.gridY / 20 / 2)
  var %text.y $window(@Path).h - 80
  var %modifier 0
  while (%count) {
    var %path $path.createPath($iif($1,$1,25),%x,%y,%modifier)
    hadd -m @Path $token(%path,1,32) $token(%path,2,32)
    dec %text.y 10
    dec %count
    inc %modifier 0
  }
  var %count 1  
  var %text.y $window(@Path).h - 80
  var %n %x
  var %k %y
  while ($hget(@Path,%count).item != $null) {
    var %x 1
    var %z $v1
    hadd -m @Path $+ %z Dist -1
    while ($hget(@Path,%x).item != $null) {
      var %y $v1
      if (%y != %z) {
        var %t $abs($calc($hget(@Path,%z) - $hget(@Path,%y))) 
        if (%t < $hget(@Path $+ %z,Dist) || $hget(@Path $+ %z,Dist) == -1) {
          hadd -m @Path $+ %z Dist %t
          hadd -m @Path $+ %z Color %y
        }
      }
      inc %x
    }
    drawtext -nr @Path %z 5 %text.y Path Frequency: $hget(@Path,%z)
    drawtext -nr @Path %z 200 %text.y Closest Match: 
    drawtext -nr @Path $hget(@Path $+ %z,Color) 320 %text.y Path
    dec %text.y 10
    inc %count
  }
  drawdot -nrf @Path 0 5 $calc(%n * 20 + %x.padding) $calc(%k * 20 + %y.padding)
  hfree -w @Path*
  drawdot @Path
}
alias -l path.createpath {
  var %z $iif($1,$1,20)
  var %color $rand(0,$rgb(255,255,255))

  var %gridX %path.gridX / 20
  var %gridY %path.gridY / 20
  var %x $iif($2,$2,$rand(0,%gridX))
  var %y $iif($3,$3,$rand(0,%gridY))
  var %lastX %x
  var %lastY %y
  var %frequency 0
  while (%z) {
    %frequency = $calc(%frequency + (%x + %gridY * %y))
    drawdot -nrf @Path %color 4 $calc(%x * 20 + %x.padding + $4) $calc(%y * 20 + %y.padding + $4)
    drawline -nrf @Path %color 1 $calc(%lastx * 20 + %x.padding - 2 + $4) $calc(%lasty * 20 + %y.padding - 2 + $4) $calc(%x * 20 + %x.padding - 2 + $4) $calc(%y * 20 + %y.padding - 2 + $4)
    %lastX = %x
    %lastY = %y 
    %x = $calc(%x + ($rand(0,2) - 1))
    %y = $calc(%y + ($rand(0,2) - 1))
    dec %z
  }
  drawdot @Path
  return %color %frequency
}

on 1:input:@Path: {
  if ($1 == creategrid) {
    path.createGrid $iif($2,$2,50)
  }
  if ($1 == cleargrid) {
    path.cleargrid
  }
  if ($1 == compare) {
    path.comparepaths $2 $3
  }
}