def move_dijkstra(self, target):
self.path = libtcod.dijkstra_new(Fov.get_fov_map(), 1.41)
libtcod.dijkstra_compute(self.path, self.x, self.y)
libtcod.dijkstra_path_set(self.path, target.x, target.y)
self.walk_path()
def fireball(x, y, radius):
path = util.set_full_explore_map(game.current_map)
libtcod.dijkstra_compute(path, x, y)
for step in range(0, radius + 1):
player_fov = False
for i in range(-radius, radius + 1):
for j in range(-radius, radius + 1):
if libtcod.map_is_in_fov(game.fov_map, x + i, y + j) and libtcod.dijkstra_get_distance(path, x + i, y + j) <= step and libtcod.dijkstra_get_distance(path, x + i, y + j) >= 0:
(front, back, lerp) = util.render_tiles_animations(x + i, y + j, libtcod.Color(160, 0, 0), libtcod.Color(64, 0, 0), libtcod.Color(0, 0, 0), round(libtcod.random_get_float(game.rnd, 0, 1), 1))
libtcod.console_put_char_ex(0, game.MAP_X + x - game.curx + i, game.MAP_Y + y - game.cury + j, '*', front, back)
player_fov = True
if player_fov:
libtcod.console_flush()
time.sleep(0.05)
player_fov = False
for obj in game.current_map.objects:
damage = util.roll_dice(1, 10)
if obj.name == 'player':
if libtcod.dijkstra_get_distance(path, game.char.x, game.char.y) <= radius:
game.message.new('You are hit by a fireball for ' + str(damage) + ' pts of damage!', game.turns, libtcod.Color(160, 0, 0))
game.player.take_damage(damage, 'a fireball')
elif obj.entity:
if libtcod.dijkstra_get_distance(path, obj.x, obj.y) <= radius:
obj.entity.take_damage(obj.x, obj.y, damage, 'a fireball', True)
def sleeping_gas(x, y, radius, duration):
path = util.set_full_explore_map(game.current_map)
libtcod.dijkstra_compute(path, x, y)
for i in range(-radius, radius + 1):
for j in range(-radius, radius + 1):
if libtcod.dijkstra_get_distance(path, x + i, y + j) <= radius and libtcod.dijkstra_get_distance(path, x + i, y + j) >= 0:
game.current_map.tile[x + i][y + j].update({'icon': game.current_map.tile[x + i][y + j]['icon'], 'back_light_color': libtcod.Color(115, 220, 225), 'back_dark_color': libtcod.Color(0, 143, 189), 'lerp': round(libtcod.random_get_float(game.rnd, 0, 1), 1), 'duration': game.turns + duration, 'type': 'sleep_gas'})
for obj in game.current_map.objects:
if obj.item is None:
if obj.x == x + i and obj.y == y + j:
if obj.name == 'player':
game.message.new('You are caught in a sleeping cloud!', game.turns)
if 'sleep' not in game.player.flags:
dice = util.roll_dice(1, 50)
if dice > game.player.wisdom + (game.player.karma / 2):
game.message.new('You fall asleep!', game.turns, libtcod.Color(0, 143, 189))
game.player.flags.append('sleep')
else:
if libtcod.map_is_in_fov(game.fov_map, obj.x, obj.y):
game.message.new(obj.entity.article.capitalize() + obj.entity.get_name() + ' is caught in a sleeping cloud!', game.turns)
if 'sleep' not in obj.entity.flags:
dice = util.roll_dice(1, 3)
if dice == 3:
if libtcod.map_is_in_fov(game.fov_map, obj.x, obj.y):
game.message.new(obj.entity.article.capitalize() + obj.entity.get_name() + ' falls asleep!', game.turns)
obj.entity.flags.append('sleep')
def get_djikstra(self, x,y): if (x,y) not in self.djikstra_cache: print 'new (%s, %s)' % (x,y) dj = libtcod.dijkstra_new(self.fov_map) libtcod.dijkstra_compute(dj, x, y) self.dijkstra_cache[x,y] = dj return dj
def set_dijkstra_map(self): fov_map = libtcod.map_new(game.WORLDMAP_WIDTH, game.WORLDMAP_HEIGHT) for y in range(game.WORLDMAP_HEIGHT): for x in range(game.WORLDMAP_WIDTH): libtcod.map_set_properties(fov_map, x, y, True, True) path = libtcod.dijkstra_new(fov_map) libtcod.dijkstra_compute(path, self.originx, self.originy) return path
def test_dijkstra_callback(map_, path_callback):
path = libtcodpy.dijkstra_new_using_function(
libtcodpy.map_get_width(map_),
libtcodpy.map_get_height(map_),
path_callback,
)
libtcodpy.dijkstra_compute(path, *POINT_A)
libtcodpy.dijkstra_delete(path)
def __join_rooms(self):
all_caves = self.__determine_areas()
# Build a tunneling map for pathing - use the permanent state check to determine passability.
tunnelingmap = libtcod.map_new(self.__width, self.__height)
for x in range(1, self.__width - 1):
for y in range(1, self.__height - 1):
perm_wall = (self.__map[x][y].permanent
and self.__map[x][y].blocked)
libtcod.map_set_properties(tunnelingmap, x, y, True,
not perm_wall)
# The tunneling path will let us move from the origin to the center.
tunnelingpath = libtcod.dijkstra_new(tunnelingmap, 0.0)
# The center needs to be non-permanent, otherwise we can't path to it.
center_x, center_y = self.__find_good_center(self.center_pt)
for cave in all_caves.keys():
# This comment used to run the joining. The function is still usable!
#self.__join_points(all_caves[cave][0])
origin_x = all_caves[cave][0][0]
origin_y = all_caves[cave][0][1]
libtcod.dijkstra_compute(tunnelingpath, origin_x, origin_y)
if not libtcod.dijkstra_path_set(tunnelingpath, center_x,
center_y):
print "Could not path! Center point permanent:", self.__map[
center_x][center_y].permanent
prev_pt = (origin_x, origin_y)
while not libtcod.dijkstra_is_empty(tunnelingpath):
x, y = libtcod.dijkstra_path_walk(tunnelingpath)
next_pt = (x, y)
if x is not None:
root1 = self.__ds.find(next_pt)
root2 = self.__ds.find(prev_pt)
if root1 != root2:
self.__ds.union(root1, root2)
self.__map[next_pt[0]][next_pt[1]].blocked = False
self.__map[next_pt[0]][next_pt[1]].block_sight = False
self.__map[next_pt[0]][next_pt[1]].debug = True # DEBUG
if self.__stop_drawing(prev_pt, next_pt, self.center_pt):
print "Done cave", cave
break
prev_pt = next_pt
all_caves = self.__determine_areas()
if len(all_caves.keys()) > 1:
self.__join_rooms()
def __join_rooms(self):
all_caves = self.__determine_areas()
# Build a tunneling map for pathing - use the permanent state check to determine passability.
tunnelingmap = libtcod.map_new(self.__width, self.__height)
for x in range(1, self.__width-1):
for y in range(1, self.__height-1):
perm_wall = (self.__map[x][y].permanent and self.__map[x][y].blocked)
libtcod.map_set_properties(tunnelingmap, x, y, True, not perm_wall)
# The tunneling path will let us move from the origin to the center.
tunnelingpath = libtcod.dijkstra_new(tunnelingmap, 0.0)
# The center needs to be non-permanent, otherwise we can't path to it.
center_x, center_y = self.__find_good_center(self.center_pt)
for cave in all_caves.keys():
# This comment used to run the joining. The function is still usable!
#self.__join_points(all_caves[cave][0])
origin_x = all_caves[cave][0][0]
origin_y = all_caves[cave][0][1]
libtcod.dijkstra_compute(tunnelingpath, origin_x, origin_y)
if not libtcod.dijkstra_path_set(tunnelingpath, center_x, center_y):
print "Could not path! Center point permanent:", self.__map[center_x][center_y].permanent
prev_pt = (origin_x, origin_y)
while not libtcod.dijkstra_is_empty(tunnelingpath):
x, y = libtcod.dijkstra_path_walk(tunnelingpath)
next_pt = (x, y)
if x is not None:
root1 = self.__ds.find(next_pt)
root2 = self.__ds.find(prev_pt)
if root1 != root2:
self.__ds.union(root1, root2)
self.__map[next_pt[0]][next_pt[1]].blocked = False
self.__map[next_pt[0]][next_pt[1]].block_sight = False
self.__map[next_pt[0]][next_pt[1]].debug = True # DEBUG
if self.__stop_drawing(prev_pt, next_pt, self.center_pt):
print "Done cave", cave
break
prev_pt = next_pt
all_caves = self.__determine_areas()
if len(all_caves.keys())>1:
self.__join_rooms()
def test_dijkstra(map_):
path = libtcodpy.dijkstra_new(map_)
libtcodpy.dijkstra_compute(path, *POINT_A)
assert not libtcodpy.dijkstra_path_set(path, *POINT_C)
assert libtcodpy.dijkstra_get_distance(path, *POINT_C) == -1
assert libtcodpy.dijkstra_path_set(path, *POINT_B)
assert libtcodpy.dijkstra_size(path)
assert not libtcodpy.dijkstra_is_empty(path)
libtcodpy.dijkstra_reverse(path)
for i in range(libtcodpy.dijkstra_size(path)):
x, y = libtcodpy.dijkstra_get(path, i)
while (x, y) != (None, None):
x, y = libtcodpy.dijkstra_path_walk(path)
libtcodpy.dijkstra_delete(path)
def findPath( self, start, end ):
def point( p ):
return ( int( math.floor( p.x ) ), int( math.floor( p.y ) ) )
start = point( start )
end = point( end )
if self.pathEnd != end:
self.pathEnd = end
self.dijkstra = tcod.dijkstra_new( self.tcodmap, 1.41421356237 )
tcod.dijkstra_compute( self.dijkstra, end[0], end[1] )
if not tcod.dijkstra_path_set( self.dijkstra, start[0], start[1] ):
return None
ret = []
while not tcod.dijkstra_is_empty( self.dijkstra ):
x, y = tcod.dijkstra_path_walk( self.dijkstra )
ret.append( ( x, y ) )
return ret
def UpdateNavMapLocation(self): libtcod.dijkstra_compute(self.currentpath, self.owner.x, self.owner.y)
