implemented pushing logic
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roborally.py
151
roborally.py
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@ -1,7 +1,7 @@
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import random
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import sys
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random.seed(0)
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class Card:
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possible_moves = ['forward', 'forward x2', 'forward x3', 'backward', 'turn left', 'turn right', 'turn around']
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card_counter = 0
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@ -70,18 +70,57 @@ class Robot:
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self.board = board
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# mark the tile on the board as occupied
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self.board[(x,y)].occupier = self
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def get_accessed_tiles(self, count):
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# create a list of all tiles the robot would enter if it drives <count> steps forward
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tiles = []
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if self.orientation == '>':
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tiles = [self.board.get((self.x + i, self.y)) for i in range(1, count + 1)]
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elif self.orientation == '<':
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tiles = [self.board.get((self.x - i, self.y)) for i in range(1, count + 1)]
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elif self.orientation == '^':
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tiles = [self.board.get((self.x, self.y - i)) for i in range(1, count + 1)]
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elif self.orientation == 'v':
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tiles = [self.board.get((self.x, self.y + i)) for i in range(1, count + 1)]
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current_tile = self.board[(self.x, self.y)]
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for i in range(1, count + 1):
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current_tile = self.board.get(current_tile.get_neighbor_coordinates(self.orientation))
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tiles.append(current_tile)
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return tiles
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def is_pushable(self, direction):
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# check if the robot can be pushed in the given direction
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# this is the case if there is a non-blocking tile next to the robot or if there is another robot that is pushable
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robot_tile = self.board[(self.x, self.y)]
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neighbor_tile = self.board.get(robot_tile.get_neighbor_coordinates(direction))
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if neighbor_tile is None: # neighbor tile could not be found -> robot would be pushed out of the board
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return False
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else:
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if neighbor_tile.is_empty():
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return True
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elif neighbor_tile.modifier == '#': # if there's a wall on the neighbor tile the robot cannot be pushed there
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return False
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else:
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# this means there's another robot on the neighbor tile -> check if it can be pushed away
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return neighbor_tile.occupant.is_pushable(direction)
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def has_opposite_orientation(self, direction):
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opposites = [('^', 'v'), ('>', '<'), ('v', '^'), ('<', '>')]
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return (self.orientation, direction) in opposites
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def get_turn_direction(self, target_orienation):
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# get the direction to turn to in order to face in the same direction as the given orientation
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directions = {
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('^', '>'): 'turn right',
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('^', 'v'): 'turn around',
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('^', '<'): 'turn left',
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('>', 'v'): 'turn right',
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('>', '<'): 'turn around',
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('>', '^'): 'turn left',
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('v', '<'): 'turn right',
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('v', '^'): 'turn around',
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('v', '>'): 'turn left',
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('<', '^'): 'turn right',
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('<', '>'): 'turn around',
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('<', 'v'): 'turn left',
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}
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return directions[(self.orientation, target_orienation)]
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def move(self, type):
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pass
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@ -100,8 +139,23 @@ class Tile:
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self.x = x
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self.y = y
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def get_neighbor_coordinates(self, direction):
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# get the coordinates of the neighboring tile in the given direction
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if direction == '^':
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return (self.x, self.y - 1)
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elif direction == '>':
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return (self.x + 1, self.y)
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elif direction == 'v':
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return (self.x, self.y + 1)
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elif direction == '<':
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return (self.x - 1, self.y)
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else:
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print("error: unknown direction")
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sys.exit(1)
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def is_empty(self):
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return self.occupant is None
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# check if the tile is non-empty and does not contain a wall
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return self.occupant is None and self.modifier != '#'
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def __str__(self):
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if self.is_empty():
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@ -119,16 +173,20 @@ class Board:
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def __init__(self):
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self.board = {}
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for x in range(Board.x_dims):
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for y in range(Board.y_dims):
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if x == 0 and (y >= 1) and (y <= 4):
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for x in range(Board.x_dims + 2):
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for y in range(Board.y_dims + 2):
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if (x == 0) or (x == Board.x_dims + 1) or (y == 0) or (y == Board.y_dims + 1):
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# place walls around the board
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self.board[(x, y)] = Tile(x, y, '#')
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elif x == 1 and (y >= 1) and (y <= 4):
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self.board[(x, y)] = Tile(x, y, 'v')
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else:
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self.board[(x, y)] = Tile(x, y)
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self.board[(x,y)] = Tile(x,y)
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self.robots = {}
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self.robots[0] = Robot(0, 0, '<', 0, self.board)
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self.robots[1] = Robot(2, 0, '^', 1, self.board)
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self.robots[0] = Robot(3, 1, '<', 0, self.board)
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self.robots[1] = Robot(1, 1, 'v', 1, self.board)
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def handle_single_action(self, action, robot):
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if 'forward' in action: # driving forward
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@ -141,19 +199,45 @@ class Board:
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accessed_tiles = robot.get_accessed_tiles(move_count)
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for tile in accessed_tiles:
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if tile is None: # robot tries to access a tile outside of the board
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# TODO take robot out of the game
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if tile.modifier == '#': # robot hits a wall -> stop the robot
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pass
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elif tile.modifier == 'X': # robot drives into a pit -> take damage
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pass
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elif any([(tile.x, tile.y) == (r.x, r.y) for r in
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self.robots]): # robots hits a tile occupied by another robot
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# TODO move "pushed" robot by one tile:
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# -> get current orientation
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# -> turn the "pushed" robot to face in the same direction as the "pushing" robot
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# -> move the "pushed" robot one step forward (while handling the move action of the robot recursively and pushing other robots as required)
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# -> turn the "pushed" robot back to the original orientation
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pass
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self.robots.values()]): # robots hits a tile occupied by another robot
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pushed_robot = next(filter(lambda r: (tile.x, tile.y) == (r.x, r.y), self.robots.values()))
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if pushed_robot.is_pushable(robot.orientation): # check if robot is pushable in the given direction
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if pushed_robot.orientation == robot.orientation:
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# the pushed robot can just drive forward
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self.handle_single_action('forward', pushed_robot)
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elif pushed_robot.has_opposite_orientation(robot.orientation):
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# the pushed robot can drive backward
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self.handle_single_action('backward', pushed_robot)
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else:
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# we first have to turn the pushed robot s.t. it faces in the same orientation as the
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# pushing robot
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turn_direction = pushed_robot.get_turn_direction(robot.orientation)
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self.handle_single_action(turn_direction, pushed_robot)
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# then the pushed robot drives one step forward
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self.handle_single_action('forward', pushed_robot)
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# afterwards we turn the robot back to the original orientation
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if turn_direction == 'turn left':
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turn_back_direction = 'turn right'
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elif turn_direction == 'turn right':
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turn_back_direction = 'turn left'
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else:
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print("error: invalid turn direction")
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sys.exit(1)
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self.handle_single_action(turn_back_direction, pushed_robot)
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else: # robot is not pushable -> do not move
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pass
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else:
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# now the tile should be empty so the robot can move into the tile
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# TODO: possible problem: what happens when robot cannot be pushed out of the way (e.g. because it is
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# blocked by a wall) -> check if robot is pushable beforehand
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# -> register move action to process
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pass
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elif action == 'backward':
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@ -183,26 +267,27 @@ class Board:
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self.handle_single_action(action, robot)
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# apply the actions caused by board elements at the end of the phase
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pass
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def __str__(self):
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output = '#' * (Board.x_dims + 2) + '\n'
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for y in range(Board.y_dims):
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output += '#'
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for x in range(Board.x_dims):
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#output = '#' * (Board.x_dims + 2) + '\n'
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output = ''
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for y in range(Board.y_dims+2):
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for x in range(Board.x_dims+2):
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if any((r.x, r.y) == (x,y) for r in self.robots.values()):
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r = list(filter(lambda r: (r.x,r.y) == (x,y), self.robots.values()))[0]
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output += str(r.id)
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else:
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output += str(self.board[(x, y)])
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output += '#\n'
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output += '#' * (Board.x_dims + 2)
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output += '\n'
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#output += '#' * (Board.x_dims + 2)
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return output
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if __name__ == "__main__":
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n = 5
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player_1_cards = deck.draw_cards(3)
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player_2_cards = deck.draw_cards(3)
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player_1_cards = random.sample(list(filter(lambda c: 'forward' in c.action, deck.deck.values())), 3)
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player_2_cards = random.sample(list(filter(lambda c: 'turn around' in c.action, deck.deck.values())), 3)
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cards_1 = [(0, c) for c in player_1_cards]
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cards_2 = [(1, c) for c in player_2_cards]
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