players/BobsPlayer.py

   1 from troncode_values import *
   2
   3 TRAP_GAP = 5
   4
   5 class BobsPlayer( object ):
   6
   7         def __init__( self ):
   8                 self.counter = 0
   9                 self.trap_gap = TRAP_GAP
  10
  11         def GetColour( self ):
  12                 return ( 255, 255, 255 )
  13
  14         def GetName():
  15                 return "Bobs Player"
  16         GetName = staticmethod( GetName )
  17
  18         def GetAnyWallsInRangeAhead( self, position, direction, gameboard ):
  19                 rval = 0
  20                 for i in range( 1, self.trap_gap ):
  21                         if gameboard.GetRelativePixel(  position, direction, i, 0 ) > 0:
  22                                 rval = rval+1
  23
  24                 return rval
  25
  26         def GetAnyWallsInRangeRight( self, position, direction, gameboard ):
  27                 rval = 0
  28
  29                 for i in range( -1, 1 ):
  30                         for j in range( 1, self.trap_gap ):
  31                                 if gameboard.GetRelativePixel(  position, direction, i, j ) > 0:
  32                                         rval = rval+1
  33
  34                 return rval
  35
  36         def GetAnyWallsInRangeLeft( self, position, direction, gameboard ):
  37                 rval = 0
  38
  39                 for i in range( -1, 1 ):
  40                         for j in range( -1, -self.trap_gap ):
  41                                 if gameboard.GetRelativePixel(  position, direction, i, j ) > 0:
  42                                         rval = rval+1
  43
  44                 return rval
  45
  46         def GetDir( self, position, direction, gameboard ):
  47                 """Turn Left Player but turn right occasionally"""
  48
  49                 ret_dir = direction
  50
  51                 density_ahead = self.GetAnyWallsInRangeAhead( position, direction, gameboard )
  52                 density_left = self.GetAnyWallsInRangeLeft( position, ret_dir, gameboard )
  53                 density_right = self.GetAnyWallsInRangeRight( position, ret_dir, gameboard )
  54
  55                 #Avoid hitting something straight ahead up to self.trap_gap pixels away
  56                 if ( density_ahead > 0 ):
  57                         if ( density_left == 0 ) :
  58                                 ret_dir = gameboard.TurnLeft( direction )
  59                                 self.counter=self.counter+1
  60
  61                         elif ( density_right == 0 ) :
  62                                 ret_dir = gameboard.TurnRight( direction )
  63                                 self.counter=self.counter-1
  64
  65                         elif ( density_left <  density_right ) :
  66                                 ret_dir = gameboard.TurnLeft( direction )
  67                                 self.counter=self.counter+1
  68
  69                         elif ( density_right < density_left  ) :
  70                                 ret_dir = gameboard.TurnRight( direction )
  71                                 self.counter=self.counter-1
  72
  73                 elif ( self.counter > 2 and density_right == 0 ) :
  74                                 ret_dir = gameboard.TurnRight( direction )
  75
  76                 # if we're stuck in a box of our own making, best to try and stay alive as long as possible..
  77                 elif ( self.counter > 4 or self.counter < -4 ) and ( self.trap_gap > 2 ) :
  78                         self.trap_gap=self.trap_gap-1
  79
  80                 return ret_dir
  81
  82
  83