def evaluate_bounds_are_of_type(self, bounds, type_id):
sum = 0
position = Vector(0, 0)
# Bottom horizontal bound
position.y = bounds.y_min
for x in range(bounds.x_min, bounds.x_max):
position.x = x
sum += self.evaluate_tile_type(position, type_id)
# Top horizontal bound
position.y = bounds.y_max - 1
for x in range(bounds.x_min, bounds.x_max):
position.x = x
sum += self.evaluate_tile_type(position, type_id)
# Left vertical bound
position.x = bounds.x_min
for y in range(bounds.y_min, bounds.y_max - 1):
position.y = y
sum += self.evaluate_tile_type(position, type_id)
# Right vertical bound
position.x = bounds.x_max - 1
for y in range(bounds.y_min + 1, bounds.y_max - 1):
position.y = y
sum += self.evaluate_tile_type(position, type_id)
return sum
def evaluate_tiles_in_bounds_are_of_type(self, bounds, type_id):
sum = 0
position = Vector(0, 0)
for x in range(bounds.x_min, bounds.x_max):
position.x = x
for y in range(bounds.y_min, bounds.y_max):
position.y = y
sum += self.evaluate_tile_type(position, type_id)
return sum
def is_room(self, start_position, area_bounds):
found_floor = False
current_position = Vector(start_position.x, start_position.y + 1)
# Check vertical for the room bounds
while (current_position.y <= area_bounds.y_max and not found_floor):
if not self.is_tile_of_type(current_position, TILE_TYPES["WALL"]):
found_floor = True
current_position.y -= 1
else:
current_position.y += 1
room_bounds_y = current_position.y
next_position = room_bounds_y + 1
if not found_floor or room_bounds_y == start_position.y:
return False, next_position, None
# Check horizontal for the room bounds
found_floor = False
current_position.x += 1
while (current_position.x <= area_bounds.x_max and not found_floor):
if not self.is_tile_of_type(current_position, TILE_TYPES["WALL"]):
found_floor = True
current_position.x -= 1
else:
current_position.x += 1
room_bounds_x = current_position.x
if not found_floor or room_bounds_x == start_position.x:
return False, next_position, None
# Check vertical with the bounds found for y
for y in range(start_position.y, room_bounds_y + 1):
current_position.y = y
if not self.is_tile_of_type(current_position, TILE_TYPES["WALL"]):
return False, next_position, None
# Check horizontal with the bounds found for y
current_position.y = start_position.y
for x in range(start_position.x, room_bounds_x + 1):
current_position.x = x
if not self.is_tile_of_type(current_position, TILE_TYPES["WALL"]):
return False, next_position, None
if abs(start_position.x - room_bounds_x) == 1 or \
abs(start_position.y - room_bounds_y) == 1:
return False, next_position, None
room_bounds = Bounds(start_position.x, start_position.y, room_bounds_x,
room_bounds_y)
return True, next_position, room_bounds
def find_rooms(self, bounds):
room_areas = list()
position = Vector(0, 0)
# Evaluate the area for rooms
next_position = 0
for x in range(bounds.x_min, bounds.x_max):
position.x = x
for y in range(bounds.y_min, bounds.y_max):
position.y = y
if self.is_tile_of_type(position, TILE_TYPES["WALL"]):
# Found wall tile
result, next_position, room_bounds = self.is_room(
position, bounds)
if result:
room_areas.append(room_bounds)
self.rooms = room_areas
return room_areas
