def perform(self) -> None:
'''
- If not in the player's vision, wait until next turn.
- If the player is right next to the enemy, attack the player.
- If the player sees the enemy, but the enemy is too far away to attack, move closer to the player.
'''
target = self.engine.player
dx = target.x - self.entity.x
dy = target.y - self.entity.y
distance = max(abs(dx), abs(dy)) # "Chevyshev" distance
if self.engine.game_map.visible[self.entity.x, self.entity.y]:
if distance <= 1:
return MeleeAction(self.entity, dx, dy).perform()
# Update the enemy's path to chase after the player
self.path = self.get_path_to(target.x, target.y)
if self.path:
dest_x, dest_y = self.path.pop(0)
return MovementAction(self.entity, dest_x - self.entity.x,
dest_y - self.entity.y).perform()
# Wait until the next turn
return WaitAction(self.entity).perform()
def get_melee_action(self, dx, dy):
"""
Return the action this ai will perform when its melee attacking something.
If the ai has any sort of special effects to its melee attack, its passed as a parameter.
"""
return MeleeAction(self.parent, dx, dy, self.melee_effects,
self.melee_effects_var).perform()
def perform(self) -> None:
target = self.engine.player
dx = target.x - self.entity.x
dy = target.y - self.entity.y
distance = max(abs(dx), abs(dy)) # Chebyshev distance.
if self.engine.game_map.visible[self.entity.x, self.entity.y]:
if distance <= 1:
return MeleeAction(self.entity, dx, dy).perform()
self.path = self.get_path_to(target.x, target.y)
if self.path:
dest_x, dest_y = self.path.pop(0)
return MovementAction(self.entity, dest_x - self.entity.x,
dest_y - self.entity.y).perform()
return WaitAction(self.entity).perform()
def perform(self) -> None:
target = self.engine.player
dx = target.x - self.entity.x
dy = target.y - self.entity.y
distance = max(abs(dx), abs(dy)) # Расстояние Чебышёва (максимум модуля разности компонент n-мерных числовых векторов)
if self.engine.game_map.visible[self.entity.x, self.entity.y]:
if distance <= 1:
return MeleeAction(self.entity, dx, dy).perform()
self.path = self.get_path_to(target.x, target.y)
if self.path:
dest_x, dest_y = self.path.pop(0)
return MovementAction(
self.entity, dest_x - self.entity.x, dest_y - self.entity.y,
).perform()
return WaitAction(self.entity).perform()
def take_turn(self, engine: Engine, target: Entity) -> Action:
dx = target.x - self.parent.x
dy = target.y - self.parent.y
distance = math.sqrt(dx**2 + dy**2)
dx = int(round(dx / distance))
dy = int(round(dy / distance))
action: Action = WaitAction(engine, self.parent)
if engine.game_map.visible[self.parent.x, self.parent.y]:
if distance >= 2:
destination_x, destination_y = self.parent.get_first_step_towards_destination(
target.x, target.y, engine.game_map)
action = MovementAction(engine, self.parent,
destination_x - self.parent.x,
destination_y - self.parent.y)
else:
action = MeleeAction(engine, self.parent, dx, dy)
return action
def perform(self) -> None: target = self.engine.player dx = target.x - self.entity.x dy = target.y - self.entity.y distance = max(abs(dx), abs(dy)) # Chebyshev distance. # when the player is visible: if near player, attack!, if not, move towards it. if self.engine.game_map.visible[self.entity.x, self.entity.y]: if distance <= 1: return MeleeAction(self.entity, dx, dy).perform() self.path = self.get_path_to(target.x, target.y) # if there is a path, move one step. if self.path: dest_x, dest_y = self.path.pop(0) return MovementAction( self.entity, dest_x - self.entity.x, dest_y - self.entity.y, ).perform() return WaitAction(self.entity).perform()
def perform(self) -> None:
"""Does what an hostile enemy does: when you see the player, move towards it and attack when in range"""
target = self.engine.player
dx = target.x - self.entity.x
dy = target.y - self.entity.y
distance = max(abs(dx), abs(dy)) # Chebyshev distance.
if self.engine.game_map.visible[self.entity.x, self.entity.y]:
if distance <= 1:
return MeleeAction(self.entity, dx, dy).perform()
self.path = self.get_path_to(target.x, target.y)
if self.path:
dest_x, dest_y = self.path.pop(0)
return MovementAction(
self.entity,
dest_x - self.entity.x,
dest_y - self.entity.y,
).perform()
return WaitAction(self.entity).perform()
def perform(self):
target = self.engine.player
dir_x = target.x - self.entity.x
dir_y = target.y - self.entity.y
distance = max(
abs(dir_x),
abs(dir_y)) # https://en.wikipedia.org/wiki/Chebyshev_distance
# Prøve at angribe
if self.engine.game_map.visible[self.entity.x, self.entity.y]:
if distance <= 1: # Hvis distancen mellem entity og target er 1 eller mindre (de rører hinanden)
return MeleeAction(self.entity, dir_x, dir_y).perform()
self.path = self.get_path_to(target.x, target.y)
if self.path: # Hvis entity har en path
dest_x, dest_y = self.path.pop(0) # Fjern den ældste entry
return MovementAction(
self.entity,
dest_x - self.entity.x,
dest_y - self.entity.y,
).perform()
return WaitAction(self.entity).perform()