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|
"""
This is a data structure to define a game map
At start we will use only one map, but later we wil add more maps
"""
"""
Default Map
The symbol # is a door.
0 1 2 3
+-----+-----+-----+-----+
0 | A |
| |
+--#--+--#--------+--#--+
1 | | C # |
| # | |
+ B +-----------+ E +
2 | | D | |
| # | |
+--#--+-----------+-----+
3 | | G | |
| # | |
+ F +-----------+ I +
4 | # H # |
| | | |
+--#--+--#--------+--#--+
5 | J |
| |
+-----+-----+-----+-----+
We represent this map with the following structure:
"""
class GameMap():
default_data = {'max_x': 4, 'max_y': 6,
'rooms': {'A': {'wall_color': (0.7, 0.8, 0.7)},
'B': {'wall_color': (0.8, 0.8, 0.6)},
'C': {'wall_color': (0.6, 0.6, 1)},
'D': {'wall_color': (0.7, 0.8, 0.7)},
'E': {'wall_color': (0.8, 0.8, 0.6)},
'F': {'wall_color': (0.7, 0.8, 0.7)},
'G': {'wall_color': (0.3, 0.4, 0.3)},
'H': {'wall_color': (0.8, 0.8, 0.6)},
'I': {'wall_color': (0.7, 0.8, 0.7)},
'J': {'wall_color': (0.8, 0.8, 0.6)}},
'cells': ['AAAA',
'BCCE',
'BDDE',
'FGGI',
'FHHI',
'JJJJ'],
# walls are defined by the cell position x,y and the direction
# N,S,E,W
'walls': [{'position': [0, 0, 'S'], 'doors': ['door_1']},
{'position': [1, 0, 'S'], 'doors': ['door_2']},
{'position': [3, 0, 'S'], 'doors': ['door_3']},
{'position': [0, 1, 'E'], 'doors': ['door_4']},
{'position': [2, 1, 'E'], 'doors': ['door_6']},
{'position': [0, 2, 'S'], 'doors': ['door_7']},
{'position': [0, 2, 'E'], 'doors': ['door_8']},
{'position': [4, 2, 'S'], 'doors': ['door_11']},
{'position': [0, 3, 'E'], 'doors': ['door_12']},
{'position': [3, 3, 'E'], 'doors': ['door_13']},
{'position': [0, 4, 'S'], 'doors': ['door_14']},
{'position': [0, 4, 'E'], 'doors': ['door_15']},
{'position': [1, 4, 'S'], 'doors': ['door_16']},
{'position': [2, 4, 'E'], 'doors': ['door_17']},
{'position': [3, 4, 'S'], 'doors': ['door_18']}]}
def __init__(self, data=None):
if data is None:
self.data = self.default_data
else:
self.data = data
def get_room(self, x, y):
""" Return room key and the dictionary based in
the position x,y in the map"""
room_key = self.data['cells'][y][x]
return room_key
def set_room_name(self, room_key, room_name):
self.data['rooms'][room_key]['room_name'] = room_name
def get_room_name(self, room_key):
if 'room_name' in self.data['rooms'][room_key]:
return self.data['rooms'][room_key]['room_name']
else:
return ''
def get_door_info(self, door_name, direction):
if not 'doors' in self.data:
self.data['doors'] = {}
key = door_name + '_' + direction
if not key in self.data['doors']:
self.data['doors'][key] = {}
return self.data['doors'][key]
def set_door_info(self, door_name, direction, door_info):
if not 'doors' in self.data:
self.data['doors'] = {}
key = door_name + '_' + direction
self.data['doors'][key] = door_info
def get_next_coords(self, x, y, direction):
if direction == 'N':
y -= 1
if direction == 'S':
y += 1
if direction == 'W':
x -= 1
if direction == 'E':
x += 1
if x < 0 or y < 0 or \
x > (self.data['max_x'] - 1) or \
y > (self.data['max_y'] - 1):
return -1, -1
return x, y
def get_next_room(self, x, y, direction):
x, y = self.get_next_coords(x, y, direction)
if x == -1 and y == -1:
return None
return self.get_room(x, y)
def get_reversed_direction(self, direction):
if direction == 'N':
return 'S'
if direction == 'S':
return 'N'
if direction == 'E':
return 'W'
if direction == 'W':
return 'E'
def get_direction_cw(self, direction):
"""Return the direction if the user turn clock wise"""
if direction == 'N':
return 'E'
if direction == 'S':
return 'W'
if direction == 'E':
return 'S'
if direction == 'W':
return 'N'
def get_direction_ccw(self, direction):
"""Return the direction if the user turn reverse clock wise"""
if direction == 'N':
return 'W'
if direction == 'S':
return 'E'
if direction == 'E':
return 'N'
if direction == 'W':
return 'S'
def get_wall_info(self, x, y, direction):
""" Return the array of objects associated to a defined wall
or None if there are not a wall in this cell and direction"""
# verify if there are a wall in the requested position
actual_room = self.get_room(x, y)
next_room = self.get_next_room(x, y, direction)
# if the two rooms are the same, there are no wall
if next_room is not None and actual_room == next_room:
return None
# Search in walls data
for wall in self.data['walls']:
if wall['position'] == [x, y, direction]:
if not 'objects' in wall:
wall['objects'] = []
return wall['objects']
return []
def add_object_to_wall(self, x, y, direction, wall_object):
""" Add a object to the array of objects associated to a defined wall
"""
# verify if there are a wall in the requested position
actual_room = self.get_room(x, y)
next_room = self.get_next_room(x, y, direction)
# if the two rooms are the same, there are no wall
if next_room is not None and actual_room == next_room:
return None
# Search in walls data
found = False
for wall in self.data['walls']:
if wall['position'] == [x, y, direction]:
if not 'objects' in wall:
wall['objects'] = []
wall['objects'].append(wall_object)
found = True
if not found:
wall_info = {'position': [x, y, direction], 'objects': []}
wall_info['objects'].append(wall_object)
self.data['walls'].append(wall_info)
def del_object_from_wall(self, x, y, direction, wall_object):
for wall in self.data['walls']:
if wall['position'] == [x, y, direction]:
# locate the object:
for order, existing_object in enumerate(wall['objects']):
if existing_object == wall_object:
del wall['objects'][order]
break
def get_wall_color(self, x, y):
room = self.get_room(x, y)
return self.data['rooms'][room]['wall_color']
def go_right(self, x, y, direction):
""" Return next position if the user go to the right"""
# check if there are a wall
direction_cw = self.get_direction_cw(direction)
wall_right = self.get_wall_info(x, y, direction_cw)
if wall_right is not None:
return x, y, direction_cw
if direction == 'N':
return x + 1, y, direction
if direction == 'E':
return x, y + 1, direction
if direction == 'S':
return x - 1, y, direction
if direction == 'W':
return x, y - 1, direction
def go_left(self, x, y, direction):
""" Return next position if the user go to the left"""
# check if there are a wall
direction_ccw = self.get_direction_ccw(direction)
wall_left = self.get_wall_info(x, y, direction_ccw)
if wall_left is not None:
return x, y, direction_ccw
if direction == 'N':
return x - 1, y, direction
if direction == 'E':
return x, y - 1, direction
if direction == 'S':
return x + 1, y, direction
if direction == 'W':
return x, y + 1, direction
def cross_door(self, x, y, direction):
""" Return next position if the user go to the left"""
# verify is the door is in the right position/direction
if not self.have_door(x, y, direction):
return x, y, direction
else:
new_x, new_y, new_dir = self.go_forward(x, y, direction)
if self.get_wall_info(new_x, new_y, new_dir) is None:
new_x, new_y, new_dir = self.go_forward(new_x, new_y,
new_dir)
return new_x, new_y, new_dir
def go_forward(self, x, y, direction):
if direction == 'N':
return x, y - 1, direction
if direction == 'E':
return x + 1, y, direction
if direction == 'S':
return x, y + 1, direction
if direction == 'W':
return x - 1, y, direction
def have_door(self, x, y, direction):
""" Return if the wall have a door
or None if there are not a wall in this cell and direction"""
# verify if there are a wall in the requested position
actual_room = self.get_room(x, y)
next_room = self.get_next_room(x, y, direction)
# if the two rooms are the same, there are no wall
if next_room is not None and actual_room == next_room:
return None
# Search in walls data
for wall in self.data['walls']:
if wall['position'] == [x, y, direction]:
if 'doors' in wall and len(wall['doors']) > 0:
return wall['doors']
else:
return []
# look for information in the other side of the room too.
if next_room is not None:
reversed_direction = self.get_reversed_direction(direction)
x2, y2 = self.get_next_coords(x, y, direction)
if x2 == -1 and y2 == -1:
return []
for wall in self.data['walls']:
if wall['position'] == [x2, y2, reversed_direction]:
if 'doors' in wall and len(wall['doors']) > 0:
return wall['doors']
else:
return []
# Nothing found
return []
# testing
if __name__ == '__main__':
game_map = GameMap()
print "test get_room"
print game_map.get_room(0, 0)
print game_map.get_room(3, 2)
print game_map.get_room(1, 4)
print game_map.get_room(3, 5)
print "test get_next_room"
print game_map.get_next_room(3, 5, 'N')
print game_map.get_next_room(3, 3, 'W')
print game_map.get_next_room(2, 1, 'S')
print "test get_wall_info"
print game_map.get_wall_info(0, 3, 'N')
print game_map.get_wall_info(0, 3, 'E')
print game_map.get_wall_info(0, 3, 'S')
print game_map.get_wall_info(0, 3, 'W')
print "test go_right"
print game_map.go_right(1, 1, 'N')
print game_map.go_right(2, 1, 'N')
print "test go_left"
print game_map.go_left(1, 1, 'N')
print game_map.go_left(2, 1, 'N')
print "test cross_door"
print game_map.cross_door(1, 1, 'N')
print game_map.cross_door(2, 1, 'N')
|
