def __str__(self):
return 'Y:%s,X:%s' % (self.y, self.x)
+
+
+
+class MapGeometry():
+
+ def __init__(self, size):
+ self.size = size
+
+ def get_directions(self):
+ directions = []
+ for name in dir(self):
+ if name[:5] == 'move_':
+ directions += [name[5:]]
+ return directions
+
+ def move(self, start_pos, direction):
+ mover = getattr(self, 'move_' + direction)
+ target = mover(start_pos)
+ if target.y < 0 or target.x < 0 or \
+ target.y >= self.size.y or target.x >= self.size.x:
+ return None
+ return target
+
+
+
+class MapGeometryWithLeftRightMoves(MapGeometry):
+
+ def move_LEFT(self, start_pos):
+ return YX(start_pos.y, start_pos.x - 1)
+
+ def move_RIGHT(self, start_pos):
+ return YX(start_pos.y, start_pos.x + 1)
+
+
+
+class MapGeometrySquare(MapGeometryWithLeftRightMoves):
+
+ def move_UP(self, start_pos):
+ return YX(start_pos.y - 1, start_pos.x)
+
+ def move_DOWN(self, start_pos):
+ return YX(start_pos.y + 1, start_pos.x)
+
+
+
+class Map():
+
+ def __init__(self, map_size):
+ self.size = map_size
+ self.terrain = '.' * self.size_i
+
+ def __getitem__(self, yx):
+ return self.terrain[self.get_position_index(yx)]
+
+ def __setitem__(self, yx, c):
+ pos_i = self.get_position_index(yx)
+ if type(c) == str:
+ self.terrain = self.terrain[:pos_i] + c + self.terrain[pos_i + 1:]
+ else:
+ self.terrain[pos_i] = c
+
+ @property
+ def size_i(self):
+ return self.size.y * self.size.x
+
+ def get_position_index(self, yx):
+ return yx.y * self.size.x + yx.x