class Game:
# Initialize the game object
def __init__(self, gfxObject, kbdObject):
# Store the graphics and keyboard object
self.gfx = gfxObject
self.kbd = kbdObject
# Init the map object
self.m = Map()
self.m.Load('forest1')
# Init the player object
self.p = Player(self.m.getStartX(), self.m.getStartY())
# Tell the player about the game object
self.p.SetGameObject(self)
# Tell the Graphics object about the Game object
self.gfx.SetGameObject(self)
# Keep track of game ticks over time
self.GameTick = 0
self.isFalling = False
self.PlayerFallAmount = 0
self.PlayerFallDelay = 0
self.PlayerFallPath = [1, 2, 4, 5, 7, 9, 10, 12, 14, 16, 19, 24]
self.PlayerFallPathLength = 12
self.PlayerFallPathIndex = 0
self.isJumping = False
self.wasJumping = False
#self.PlayerJumpPath = [13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1]
self.PlayerJumpPath = [16, 14, 12, 10, 9, 7, 5, 4, 2, 1]
self.JumpPathLength = 10
self.PlayerJumpDelay = 0
self.PlayerJumpPathIndex = 0
self.NextJumpTick = 0
self.jumpLatch = False
def Tick(self, SomethingElse):
px = self.p.GetPosX()
py = self.p.GetPosY()
self.GameTick += 1
""" Jumping """
# Reset jump latch
if (self.kbd.A == False and self.jumpLatch == True):
self.jumpLatch = False
# Jump condition
if (self.kbd.A == True and self.jumpLatch == False):
if not self.isFalling:
self.jumpLatch = True
self.isJumping = True
self.wasJumping = True
self.NextJumpTick = self.GameTick + 1
self.p.MoveVertical(self.PlayerJumpPath[self.PlayerJumpPathIndex])
# Button released during mid-jump
if (self.kbd.A == False and self.isJumping == True):
self.isJumping = False
self.PlayerJumpPathIndex = 0
# Process height gained by player over time
if (self.isJumping == True):
self.PlayerJumpPathIndex += 1
if self.PlayerJumpPathIndex > self.JumpPathLength-1:
self.PlayerJumpPathIndex = 0
self.isJumping = False
else:
self.p.MoveVertical(self.PlayerJumpPath[self.PlayerJumpPathIndex])
""" Left & right movement """
if (self.kbd.Left == True and self.kbd.Right == True) or (self.kbd.Left == False and self.kbd.Right == False):
# This condition occurs if the player is holding left & right at the same time: freeze player
self.p.SpriteID = 3
else:
if self.kbd.Left == True:
# Check if something is in the way to the left
if not (self.m.isSolid(px + 2, py + 1) or self.m.isSolid(px + 2, py + 63)):
self.p.MoveLeft()
if self.kbd.Right == True:
# Check if something is in the way to the right
if not (self.m.isSolid(px + 30, py + 1) or self.m.isSolid(px + 30, py + 63)):
self.p.MoveRight()
if not self.isJumping:
self.PlayerFallTick()
def PlayerFallTick(self):
px = self.p.GetPosX()
py = self.p.GetPosY()
if self.m.isSolid(px + 3, py-1) or self.m.isSolid(px + 29, py-1):
if self.isFalling == True:
self.isFalling = False
self.wasJumping = False
self.PlayerFallAmount = 0
self.PlayerFallPathIndex = 0
else:
self.isFalling = True
self.PlayerFallPathIndex += 1
if self.PlayerFallPathIndex >= self.PlayerFallPathLength:
self.PlayerFallPathIndex = self.PlayerFallPathLength - 1
self.PlayerFallAmount = self.PlayerFallPath[self.PlayerFallPathIndex]
while self.m.isSolid(px + 3, py - self.PlayerFallAmount) or self.m.isSolid(px + 29, py - self.PlayerFallAmount):
# Keep nudging the player up until flush with the floor surface
self.PlayerFallAmount -= 1
self.p.MoveVertical(-self.PlayerFallAmount)
print "Took penalty for going off world" print "Agent's score would've been worse if they tried to reach goal" def usage(): print "Usage:" print "\tpython astar.py mapfile heuristic" print "\t\tmapfile - the filename of a map to evaluate" print "\t\theuristic - the number of a heuristic to use (1 to 6)" # This is the program's main function if __name__== "__main__": if (len(sys.argv) != 3): print "Incorrect number of arguments" usage() openFileName = sys.argv[1] heuristicType = int(sys.argv[2]) if (heuristicType > 6) or (heuristicType < 1): print "Heuristic value must be between 1 and 6. Using heuristic 1" # generate map based on file mapData = Map(openFileName) start = [mapData.getStartX(), mapData.getStartY()] goal = [mapData.getGoalX(), mapData.getGoalY()] # run A* a_star(start, goal, mapData, heuristicType)
