def create_bullet(dispatcher, entity_id, x, y, vx, vy):
bullet = Entity(entity_id)
bullet.add_component(
WidgetComponent(dispatcher, Widget([['*']], [['red']])))
bullet.add_component(PositionComponent(dispatcher, x, y, vx, vy))
bullet.add_component(ProjectileCollisionComponent(dispatcher, damage=1))
bullet.add_component(DestructorComponent(dispatcher))
dispatcher.add_event(BearEvent('ecs_create', bullet))
dispatcher.add_event(
BearEvent('ecs_add',
(bullet.id, bullet.position.x, bullet.position.y)))
return bullet
def create_spawner_house(dispatcher, atlas, x, y):
house = Entity('house')
house.add_component(
WidgetComponent(dispatcher, Widget(*atlas.get_element('spawner'))))
house.add_component(DestructorComponent(dispatcher))
house.add_component(PositionComponent(dispatcher, x, y))
dispatcher.add_event(BearEvent('ecs_create', house))
dispatcher.add_event(
BearEvent('ecs_add', (house.id, house.position.x, house.position.y)))
def create_wall(dispatcher, atlas, entity_id, x, y):
wall = Entity(entity_id)
wall.add_component(PositionComponent(dispatcher, x, y))
wall.add_component(CollisionComponent(dispatcher))
wall.add_component(PassingComponent(dispatcher))
wall.add_component(DestructorComponent(dispatcher))
images_dict = {
'wall_3': atlas.get_element('wall_3'),
'wall_2': atlas.get_element('wall_2'),
'wall_1': atlas.get_element('wall_1')
}
wall.add_component(
SwitchWidgetComponent(
dispatcher,
SwitchingWidget(images_dict=images_dict, initial_image='wall_3')))
wall.add_component(
VisualDamageHealthComponent(dispatcher,
hitpoints=3,
widgets_dict={
3: 'wall_3',
2: 'wall_2',
1: 'wall_1'
}))
dispatcher.add_event(BearEvent('ecs_create', wall))
dispatcher.add_event(
BearEvent('ecs_add', (wall.id, wall.position.x, wall.position.y)))
pass
def create_enemy_tank(dispatcher, atlas, entity_id, x, y):
# ControllerComponent
# DestructorHealthComponent
# WalkerCollisionComponent
# SwitchWidgetComponent
enemy = Entity(id=entity_id)
# Adding all necessary components, in our case input (which also spawns
# bullets), two collision-related ones, position, health and a destructor
# for orderly entity removal.
enemy.add_component(WalkerCollisionComponent(dispatcher))
enemy.add_component(PassingComponent(dispatcher))
enemy.add_component(PositionComponent(dispatcher, x, y))
enemy.add_component(DestructorHealthComponent(dispatcher, hitpoints=1))
enemy.add_component(DestructorComponent(dispatcher))
enemy.add_component(ControllerComponent(dispatcher))
# Also a WidgetComponent, which requires a Widget
images_dict = {
'enemy_r': atlas.get_element('enemy_r'),
'enemy_l': atlas.get_element('enemy_l'),
'enemy_d': atlas.get_element('enemy_d'),
'enemy_u': atlas.get_element('enemy_u')
}
enemy.add_component(
SwitchWidgetComponent(
dispatcher,
SwitchingWidget(images_dict=images_dict, initial_image='enemy_r')))
dispatcher.add_event(BearEvent('ecs_create', enemy))
dispatcher.add_event(
BearEvent('ecs_add', (enemy.id, enemy.position.x, enemy.position.y)))
return enemy
def create_player_tank(dispatcher, atlas, x, y):
# Creating the actual entity, which currently has only a name
player = Entity(id='player')
# Adding all necessary components, in our case input (which also spawns
# bullets), two collision-related ones, position, health and a destructor
# for orderly entity removal.
player.add_component(InputComponent(dispatcher))
player.add_component(WalkerCollisionComponent(dispatcher))
player.add_component(PassingComponent(dispatcher))
player.add_component(PositionComponent(dispatcher, x, y))
player.add_component(DestructorHealthComponent(dispatcher, hitpoints=5))
player.add_component(DestructorComponent(dispatcher))
# Also a WidgetComponent, which requires a Widget
images_dict = {
'player_r': atlas.get_element('player_r'),
'player_l': atlas.get_element('player_l'),
'player_d': atlas.get_element('player_d'),
'player_u': atlas.get_element('player_u')
}
player.add_component(
SwitchWidgetComponent(
dispatcher,
SwitchingWidget(images_dict=images_dict,
initial_image='player_r')))
dispatcher.add_event(BearEvent('ecs_create', player))
dispatcher.add_event(
BearEvent('ecs_add',
(player.id, player.position.x, player.position.y)))
return player