def display(self, screen, location = None):
if not self.loaded:
config.log_e('Grid is not loaded!')
return
for tile in self.tiles:
for i in range(3):
image = images.get(self.tiles[tile][i+1])
if image is not None: screen.blit(image, self.tiles[tile]['coords'])
def can_walk(self, direction, distance):
if direction is 'up':
new_coords = (self.center_tile_coords[0], self.center_tile_coords[1] + distance)
elif direction is 'down':
new_coords = (self.center_tile_coords[0], self.center_tile_coords[1] - distance)
elif direction is 'left':
new_coords = (self.center_tile_coords[0] + distance, self.center_tile_coords[1])
elif direction is 'right':
new_coords = (self.center_tile_coords[0] - distance, self.center_tile_coords[1])
else:
config.log_e('in can_walk: passed invalid direction')
return True
next_tile = self.get_tile_for(new_coords)
if next_tile is None:
config.log_e("Couldn't get next tile")
return True
return self.tiles[next_tile]['can_walk']
def move(self, direction, distance = 4):
if not self.loaded:
config.log_e('Grid is not loaded!')
return
if direction is 'up':
for tile in self.tiles:
new_coords = ((self.tiles[tile]['coords'][0]), (self.tiles[tile]['coords'][1] + distance))
self.tiles[tile]['coords'] = new_coords
if direction is 'down':
for tile in self.tiles:
new_coords = ((self.tiles[tile]['coords'][0]), (self.tiles[tile]['coords'][1] - distance))
self.tiles[tile]['coords'] = new_coords
if direction is 'left':
for tile in self.tiles:
new_coords = ((self.tiles[tile]['coords'][0] + distance), (self.tiles[tile]['coords'][1]))
self.tiles[tile]['coords'] = new_coords
if direction is 'right':
for tile in self.tiles:
new_coords = ((self.tiles[tile]['coords'][0] - distance), (self.tiles[tile]['coords'][1]))
self.tiles[tile]['coords'] = new_coords
def load_from_file(self, map_name, map_dir = 'maps/'):
# Check to make sure the file exists
if not os.path.exists(map_dir + map_name):
config.log_e('Map not found: ' + map_name)
return
# Actually load the file
map_file = open(map_dir + map_name, 'r')
line = map_file.readline()
while not line.startswith('tileset'):
line = map_file.readline()
line = line.replace('\n', '')
tileset = line.split()[-1]
images.initialize(tileset)
# Try reading the first line of map for width
self.read_to_map_start(map_file)
line = map_file.readline()
self.width = len(line.replace('\n', '').split())
config.log_d('Map width: ' + str(self.width))
self.read_to_map_start(map_file)
# Try reading number of lines for height
for i, l in enumerate(map_file):
pass
self.height = i + 1
config.log_d('Map height: ' + str(self.height))
self.read_to_map_start(map_file)
# TODO: Check to make sure all tiles actually exist?
# Initalize tile dictionary
x, y = 1, 1
for i in range(self.width):
for e in range(self.height):
self.tiles[(x,y)] = {}
self.tiles[(x,y)]['coords'] = (((x-1) * TILE_SIZE), ((y-1) * TILE_SIZE)) # NOTE: May need to change this, so that the maps scroll properly. In other words, starting location needs to be determined based on the player's location within the map.
y += 1
y = 1
x += 1
# Read in map data and fill self.tiles with image references, one layer for now
x, y = 1, 1
for line in map_file.readlines():
line = line.replace('\n', '')
for tile in line.split():
layers = tile.split(',')
self.tiles[(x,y)][1] = int(layers[0])
self.tiles[(x,y)][2] = int(layers[1])
self.tiles[(x,y)][3] = int(layers[2])
self.tiles[(x,y)]['can_walk'] = True if int(layers[3]) is 1 else False
x += 1
x = 1
y += 1
# This grid is now loaded!
self.loaded = True
