def handle_nearby_entities(self, player_entity: WorldEntity,
game_state: GameState, game_engine: GameEngine):
self.entity_to_interact_with = None
player_position = player_entity.get_position()
distance_to_closest_entity = sys.maxsize
for npc in game_state.non_player_characters:
if has_npc_dialog(npc.npc_type):
close_to_player = is_x_and_y_within_distance(
player_position, npc.world_entity.get_position(), 75)
distance = get_manhattan_distance_between_rects(
player_entity.rect(), npc.world_entity.rect())
if close_to_player and distance < distance_to_closest_entity:
self.entity_to_interact_with = npc
distance_to_closest_entity = distance
lootables_on_ground: List[LootableOnGround] = list(
game_state.items_on_ground)
lootables_on_ground += game_state.consumables_on_ground
for lootable in lootables_on_ground:
if boxes_intersect(player_entity.rect(),
lootable.world_entity.rect()):
self.entity_to_interact_with = lootable
distance_to_closest_entity = 0
for portal in game_state.portals:
close_to_player = is_x_and_y_within_distance(
player_position, portal.world_entity.get_position(), 75)
distance = get_manhattan_distance_between_rects(
player_entity.rect(), portal.world_entity.rect())
if close_to_player:
game_engine.handle_being_close_to_portal(portal)
if close_to_player and distance < distance_to_closest_entity:
self.entity_to_interact_with = portal
distance_to_closest_entity = distance
for warp_point in game_state.warp_points:
close_to_player = is_x_and_y_within_distance(
player_position, warp_point.world_entity.get_position(), 75)
distance = get_manhattan_distance_between_rects(
player_entity.rect(), warp_point.world_entity.rect())
if close_to_player and distance < distance_to_closest_entity:
self.entity_to_interact_with = warp_point
distance_to_closest_entity = distance
for chest in game_state.chests:
close_to_player = is_x_and_y_within_distance(
player_position, chest.world_entity.get_position(), 75)
distance = get_manhattan_distance_between_rects(
player_entity.rect(), chest.world_entity.rect())
if close_to_player and distance < distance_to_closest_entity:
self.entity_to_interact_with = chest
distance_to_closest_entity = distance
def get_next_waypoint_along_path(self, agent_entity: WorldEntity) -> Optional[Tuple[int, int]]:
if self.path:
# -----------------------------------------------
# 1: Remove first waypoint if close enough to it
# -----------------------------------------------
# TODO: Does this cause problems for specific entity sizes / movement speeds?
closeness_margin = 50
if is_x_and_y_within_distance(agent_entity.get_position(), self.path[0], closeness_margin):
# print("Popping " + str(self.path[0]) + " as I'm so close to it.")
self.path.pop(0)
if self.path:
# print("After popping, returning " + str(self.path[0]))
return self.path[0]
else:
# print("no path after popping. stopping.")
return None
# -----------------------------------------------
# 2: Remove first waypoint if it's opposite direction of second waypoint
# -----------------------------------------------
if len(self.path) >= 2:
dir_to_waypoint_0 = get_directions_to_position(agent_entity, self.path[0])[0]
dir_to_waypoint_1 = get_directions_to_position(agent_entity, self.path[1])[0]
if dir_to_waypoint_0 == get_opposite_direction(dir_to_waypoint_1):
# print("Not gonna go back. Popping " + str(self.path[0]))
self.path.pop(0)
# print("Popped first position. Next waypoint: " + str(self.path[0]))
return self.path[0]
if self.path:
return self.path[0]
else:
# print("no path found. stopping.")
return None
# print("Leaked through. returning none")
return None
def get_enemies_within_x_y_distance_of(self, distance: int,
position: Tuple[int, int]):
return [
e for e in self.non_player_characters
if e.is_enemy and is_x_and_y_within_distance(
e.world_entity.get_center_position(), position, distance)
]
def control_npc(self, game_state: GameState, npc: NonPlayerCharacter,
player_entity: WorldEntity, is_player_invisible: bool,
time_passed: Millis):
if npc.stun_status.is_stunned():
return
self._time_since_attack += time_passed
self._time_since_updated_path += time_passed
self._time_since_reevaluated += time_passed
enemy_entity = npc.world_entity
target: EnemyTarget = get_target(enemy_entity, game_state)
if self._time_since_updated_path > self._update_path_interval:
self._time_since_updated_path = 0
if not is_player_invisible:
self.pathfinder.update_path_towards_target(
enemy_entity, game_state, target.entity)
new_next_waypoint = self.pathfinder.get_next_waypoint_along_path(
enemy_entity)
should_update_waypoint = self.next_waypoint != new_next_waypoint
if self._time_since_reevaluated > self._reevaluate_next_waypoint_direction_interval:
self._time_since_reevaluated = 0
should_update_waypoint = True
if should_update_waypoint:
self.next_waypoint = new_next_waypoint
if self.next_waypoint:
direction = self.pathfinder.get_dir_towards_considering_collisions(
game_state, enemy_entity, self.next_waypoint)
_move_in_dir(enemy_entity, direction)
else:
enemy_entity.set_not_moving()
if self._time_since_attack > self._attack_interval:
if not is_player_invisible:
enemy_position = enemy_entity.get_center_position()
target_center_pos = target.entity.get_center_position()
if is_x_and_y_within_distance(enemy_position,
target_center_pos, 200):
self._time_since_attack = 0
self.randomize_attack_interval()
play_sound(SoundId.ENEMY_ATTACK_ICE_WITCH)
damage = random.randint(DAMAGE_MIN, DAMAGE_MAX)
deal_npc_damage(damage, DamageType.MAGIC, game_state,
enemy_entity, npc, target)
game_state.game_world.visual_effects += [
(VisualLine((100, 100, 200), enemy_position,
target_center_pos, Millis(120), 3)),
(VisualLine((150, 150, 250), enemy_position,
target_center_pos, Millis(240), 2))
]
chance_to_resist_slow = game_state.player_state.get_effective_movement_impairing_resist_chance(
)
# TODO It's error-prone that we have to check this for every negative debuff that can slow player
if random.random() > chance_to_resist_slow:
game_state.player_state.gain_buff_effect(
get_buff_effect(SLOW_BUFF_TYPE), Millis(1500))
def control_npc(self, game_state: GameState, npc: NonPlayerCharacter,
player_entity: WorldEntity, _is_player_invisible: bool,
time_passed: Millis):
if npc.stun_status.is_stunned():
return
self._summon_trait.update(npc, game_state, time_passed)
self._random_walk_trait.update(npc, game_state, time_passed)
self._time_since_healing += time_passed
self._time_since_shoot += time_passed
if self._time_since_healing > self._healing_cooldown:
self._time_since_healing = 0
self._healing_cooldown = self._random_healing_cooldown()
necro_center_pos = npc.world_entity.get_center_position()
nearby_hurt_enemies = [
e for e in game_state.game_world.non_player_characters
if e.is_enemy and is_x_and_y_within_distance(
necro_center_pos, e.world_entity.get_center_position(),
200) and e != npc and not e.health_resource.is_at_max()
]
if nearby_hurt_enemies:
healing_target = nearby_hurt_enemies[0]
healing_target.health_resource.gain(5)
healing_target_pos = healing_target.world_entity.get_center_position(
)
visual_line = VisualLine((80, 200, 150), necro_center_pos,
healing_target_pos, Millis(350), 3)
game_state.game_world.visual_effects.append(visual_line)
play_sound(SoundId.ENEMY_NECROMANCER_HEAL)
if self._time_since_shoot > self._shoot_cooldown:
self._time_since_shoot = 0
self._shoot_cooldown = self._random_shoot_cooldown()
npc.world_entity.direction = get_directions_to_position(
npc.world_entity, player_entity.get_position())[0]
npc.world_entity.set_not_moving()
center_position = npc.world_entity.get_center_position()
distance_from_enemy = 35
projectile_pos = translate_in_direction(
get_position_from_center_position(center_position,
PROJECTILE_SIZE),
npc.world_entity.direction, distance_from_enemy)
projectile_speed = 0.2
projectile_entity = WorldEntity(projectile_pos, PROJECTILE_SIZE,
Sprite.NONE,
npc.world_entity.direction,
projectile_speed)
projectile = Projectile(
projectile_entity,
create_projectile_controller(PROJECTILE_TYPE))
game_state.game_world.projectile_entities.append(projectile)
play_sound(SoundId.ENEMY_ATTACK_NECRO)
def update_npc_position_within_game_world(self, npc: NonPlayerCharacter, time_passed: Millis):
entity = npc.world_entity
new_position = entity.get_new_position_according_to_dir_and_speed(time_passed)
if new_position:
if npc.max_distance_allowed_from_start_position:
is_close_to_start_position = is_x_and_y_within_distance(
npc.start_position, new_position, npc.max_distance_allowed_from_start_position)
if not is_close_to_start_position:
return
new_pos_within_world = self.get_within_world(
new_position, (entity.pygame_collision_rect.w, entity.pygame_collision_rect.h))
if not self.would_entity_collide_if_new_pos(entity, new_pos_within_world):
entity.set_position(new_pos_within_world)
def control_npc(self, game_state: GameState, npc: NonPlayerCharacter,
player_entity: WorldEntity, is_player_invisible: bool,
time_passed: Millis):
if npc.stun_status.is_stunned():
return
self._time_since_attack += time_passed
self._time_since_updated_path += time_passed
self._time_since_reevaluated += time_passed
enemy_entity = npc.world_entity
target: EnemyTarget = get_target(enemy_entity, game_state)
if self._time_since_updated_path > self._update_path_interval:
self._time_since_updated_path = 0
if not is_player_invisible:
self.pathfinder.update_path_towards_target(
enemy_entity, game_state, target.entity)
new_next_waypoint = self.pathfinder.get_next_waypoint_along_path(
enemy_entity)
should_update_waypoint = self.next_waypoint != new_next_waypoint
if self._time_since_reevaluated > self._reevaluate_next_waypoint_direction_interval:
self._time_since_reevaluated = 0
should_update_waypoint = True
if should_update_waypoint:
self.next_waypoint = new_next_waypoint
if self.next_waypoint:
direction = self.pathfinder.get_dir_towards_considering_collisions(
game_state, enemy_entity, self.next_waypoint)
if random.random(
) < self.chance_to_stray_from_path and direction:
direction = random.choice(
get_perpendicular_directions(direction))
_move_in_dir(enemy_entity, direction)
else:
enemy_entity.set_not_moving()
if self._time_since_attack > self._attack_interval:
if not is_player_invisible:
enemy_position = enemy_entity.get_center_position()
target_center_pos = target.entity.get_center_position()
if is_x_and_y_within_distance(enemy_position,
target_center_pos, 80):
self._time_since_attack = 0
self.randomize_attack_interval()
deal_npc_damage(self.damage_amount, DamageType.PHYSICAL,
game_state, enemy_entity, npc, target)
def control_npc(self, game_state: GameState, npc: NonPlayerCharacter,
player_entity: WorldEntity, is_player_invisible: bool,
time_passed: Millis):
self._time_since_attack += time_passed
self._time_since_updated_path += time_passed
self._time_since_reevaluated += time_passed
self._time_since_shield += time_passed
enemy_entity = npc.world_entity
if self._time_since_updated_path > self._update_path_interval:
self._time_since_updated_path = 0
self.pathfinder.update_path_towards_target(
enemy_entity, game_state, game_state.player_entity)
new_next_waypoint = self.pathfinder.get_next_waypoint_along_path(
enemy_entity)
should_update_waypoint = self.next_waypoint != new_next_waypoint
if self._time_since_reevaluated > self._reevaluate_next_waypoint_direction_interval:
self._time_since_reevaluated = 0
should_update_waypoint = True
if should_update_waypoint:
self.next_waypoint = new_next_waypoint
if self.next_waypoint:
direction = self.pathfinder.get_dir_towards_considering_collisions(
game_state, enemy_entity, self.next_waypoint)
if random.random() < 0.1 and direction:
direction = random.choice(
get_perpendicular_directions(direction))
_move_in_dir(enemy_entity, direction)
else:
enemy_entity.set_not_moving()
enemy_center_pos = enemy_entity.get_center_position()
if self._time_since_attack > self._attack_interval:
self._time_since_attack = 0
game_state.visual_effects.append(
VisualCircle((100, 100, 100), enemy_center_pos, 180, 180,
Millis(self._attack_interval), 1, enemy_entity))
if not is_player_invisible:
player_center_pos = game_state.player_entity.get_center_position(
)
if is_x_and_y_within_distance(enemy_center_pos,
player_center_pos, 160):
deal_damage_to_player(game_state, 3, DamageType.MAGIC, npc)
game_state.visual_effects += [
VisualCircle((0, 0, 0), enemy_center_pos, 25, 50,
Millis(200), 2, enemy_entity),
VisualLine((0, 100, 0), enemy_center_pos,
player_center_pos, Millis(200), 2),
VisualCircle((0, 100, 0), player_center_pos, 20, 40,
Millis(150), 2, player_entity),
VisualCircle((0, 150, 0), player_center_pos, 25, 50,
Millis(200), 2, player_entity),
VisualCircle((0, 200, 0), player_center_pos, 30, 60,
Millis(300), 2, player_entity),
]
if self._time_since_shield > self._shield_interval:
self._time_since_shield = 0
game_state.visual_effects.append(
VisualCircle((0, 0, 150), enemy_center_pos, 60, 20,
Millis(self._shield_duration), 2, enemy_entity))
npc.gain_buff_effect(get_buff_effect(BUFF_TYPE_INVULN),
Millis(self._shield_duration))
def control_npc(self, game_state: GameState, npc: NonPlayerCharacter, player_entity: WorldEntity,
_is_player_invisible: bool, time_passed: Millis):
self._time_since_decision += time_passed
self._time_since_summoning += time_passed
self._time_since_healing += time_passed
self._time_since_shoot += time_passed
if self._time_since_summoning > self._summoning_cooldown:
necro_center_pos = npc.world_entity.get_center_position()
self._time_since_summoning = 0
self._alive_summons = [summon for summon in self._alive_summons
if summon in game_state.non_player_characters]
if len(self._alive_summons) < 3:
relative_pos_from_summoner = (random.randint(-150, 150), random.randint(-150, 150))
summon_center_pos = sum_of_vectors(necro_center_pos, relative_pos_from_summoner)
summon_type = random.choice([NpcType.ZOMBIE, NpcType.MUMMY])
summon_size = NON_PLAYER_CHARACTERS[summon_type].size
summon_pos = game_state.get_within_world(
get_position_from_center_position(summon_center_pos, summon_size), summon_size)
summon_enemy = create_npc(summon_type, summon_pos)
is_wall_blocking = game_state.walls_state.does_rect_intersect_with_wall(
rect_from_corners(necro_center_pos, summon_center_pos))
is_position_blocked = game_state.would_entity_collide_if_new_pos(summon_enemy.world_entity, summon_pos)
if not is_wall_blocking and not is_position_blocked:
self._summoning_cooldown = self._random_summoning_cooldown()
game_state.add_non_player_character(summon_enemy)
self._alive_summons.append(summon_enemy)
game_state.visual_effects.append(
VisualCircle((80, 150, 100), necro_center_pos, 40, 70, Millis(120), 3))
game_state.visual_effects.append(
VisualCircle((80, 150, 100), summon_center_pos, 40, 70, Millis(120), 3))
play_sound(SoundId.ENEMY_NECROMANCER_SUMMON)
else:
# Failed to summon, so try again without waiting full duration
self._summoning_cooldown = 500
else:
self._summoning_cooldown = self._random_summoning_cooldown()
if self._time_since_healing > self._healing_cooldown:
self._time_since_healing = 0
self._healing_cooldown = self._random_healing_cooldown()
necro_center_pos = npc.world_entity.get_center_position()
nearby_hurt_enemies = [
e for e in game_state.non_player_characters
if e.is_enemy
and is_x_and_y_within_distance(necro_center_pos, e.world_entity.get_center_position(), 200)
and e != npc and not e.health_resource.is_at_max()
]
if nearby_hurt_enemies:
healing_target = nearby_hurt_enemies[0]
healing_target.health_resource.gain(5)
healing_target_pos = healing_target.world_entity.get_center_position()
visual_line = VisualLine((80, 200, 150), necro_center_pos, healing_target_pos, Millis(350), 3)
game_state.visual_effects.append(visual_line)
play_sound(SoundId.ENEMY_NECROMANCER_HEAL)
if self._time_since_shoot > self._shoot_cooldown:
self._time_since_shoot = 0
self._shoot_cooldown = self._random_shoot_cooldown()
npc.world_entity.direction = get_directions_to_position(npc.world_entity, player_entity.get_position())[0]
npc.world_entity.set_not_moving()
center_position = npc.world_entity.get_center_position()
distance_from_enemy = 35
projectile_pos = translate_in_direction(
get_position_from_center_position(center_position, PROJECTILE_SIZE),
npc.world_entity.direction, distance_from_enemy)
projectile_speed = 0.2
projectile_entity = WorldEntity(projectile_pos, PROJECTILE_SIZE, Sprite.NONE, npc.world_entity.direction,
projectile_speed)
projectile = Projectile(projectile_entity, create_projectile_controller(PROJECTILE_TYPE))
game_state.projectile_entities.append(projectile)
play_sound(SoundId.ENEMY_ATTACK_NECRO)
if self._time_since_decision > self._decision_interval:
self._time_since_decision = 0
if random.random() < 0.2:
direction = random_direction()
npc.world_entity.set_moving_in_dir(direction)
else:
npc.world_entity.set_not_moving()
