def update(self, events, world):
context = world.find_component("context")
settings = world.find_component("settings")
context["paused"] = True
exiting = False
for event in events:
if event.type == PAUSE_QUIT_TO_MENU:
context["paused"] = False
exiting = True
elif event.type == PAUSE_SAVE_AND_QUIT:
self._save(settings["save_file"], world)
context["paused"] = False
world.inject_event({
"type": "sound",
"action": "stop",
"sound": "background_music",
})
self.teardown(world)
return SceneManager.replace(scenes.equip.EquipScene())
if exiting:
world.inject_event({
"type": "sound",
"action": "stop",
"sound": "background_music",
})
return SceneManager.new_root(scenes.title.TitleScene())
world.process_all_systems(events)
def update(self, events, world):
for event in events:
if event.type == VICTORY:
return SceneManager.replace(VictoryScene())
if event.type == SCENE_REFOCUS:
self.teardown(world)
self.setup(world)
# Loading should happen only AFTER refocusing, if both events have fired this frame
for event in events:
if event.type == LOAD:
load(world)
context = world.find_component("context")
screen = context["screen"]
# There will only ever be one player entity, unless scope drastically changes
player_entity = world.filter("player")[0]
# No physics until the player has jumped
if player_entity.player.has_jumped:
# First, clear out per-frame physics values
world.inject_event({"type": "physics_frame_reset"})
# TODO: Simulate gravity as a force, instead of just doing it in the movement system
# world.inject_event({"type": "physics_force", "magnitude": 0, "angle": 90})
# Then gliding, which translates rotation into acceleration
world.inject_event({"type": "glide"})
# Finally, we add movement after any events that could affect acceleration
world.inject_event({"type": "move"})
if calculate_altitude(player_entity, screen) > 0:
# allow the deafening silence to emphasize the player's deadly mistake
world.inject_event(
{
"type": "sound",
"action": "stop",
"sound": "background_music",
}
)
# also make a funny sound effect
world.inject_event(
{
"type": "sound",
"action": "play",
"sound": "crash",
}
)
for sys in self.systems:
world.unregister_system(sys)
return SceneManager.push(CrashResultsScene())
world.process_all_systems(events)
keys = pygame.key.get_pressed()
mods = pygame.key.get_mods()
# # Win button for debugging
# if keys[pygame.K_v]:
# pygame.event.post(pygame.event.Event(VICTORY))
# Before doing anything else, the player must jump off the cliff
if not player_entity.player.has_jumped:
if keys[pygame.K_SPACE] and not player_entity.player.jumping:
# Tell everyone we've jumped
player_entity.player.has_jumped = True
player_entity.player.jumping = True
# The jump itself
world.inject_event(
{"type": "physics_force", "magnitude": 20, "angle": -20}
)
# Start background music
world.inject_event(
{
"type": "sound",
"action": "start",
"sound": "background_music",
}
)
# We don't want to rotate before jumping. TODO: or do we?
else:
if player_entity.player.jumping:
player_entity.rotation.angle += 0.5
if player_entity.rotation.angle > 0:
player_entity.player.jumping = False
rotation_speed = 1
# If you have the wings upgrade, you can use shift to go back to slower rotation
if player_entity.player.hasWings and not mods & pygame.KMOD_SHIFT:
rotation_speed = 2
# The player only has direct control over their angle from the ground.
# Our rudimentary physics takes care of the rest.
# Also, clamp the angle from straight up to straight down.
if keys[pygame.K_RIGHT]:
player_entity.player.jumping = False
angle = player_entity.rotation.angle + rotation_speed
player_entity.rotation.angle = min(angle, 90)
if keys[pygame.K_LEFT]:
player_entity.player.jumping = False
angle = player_entity.rotation.angle - rotation_speed
player_entity.rotation.angle = max(angle, -90)
for event in events:
if (
event.type == pygame.KEYDOWN
and event.key == pygame.K_SPACE
and player_entity.player.has_jumped
and player_entity.player.hasJetBoots
and player_entity.player.numBoosts > 0
):
player_entity.player.jumping = False
player_entity.player.numBoosts -= 1
world.inject_event(
{
"type": "physics_force",
"magnitude": 15,
"angle": player_entity.rotation.angle,
}
)
for event in events:
# Use keyup here as a simple way to only trigger once and not repeatedly
if event.type == pygame.KEYUP and event.key == pygame.K_ESCAPE:
return SceneManager.push(PauseScene())