mirror of
https://github.com/Yonokid/PyTaiko.git
synced 2026-02-04 19:50:12 +01:00
434 lines
15 KiB
Python
434 lines
15 KiB
Python
import time
|
|
from typing import Any, Optional
|
|
|
|
|
|
def rounded(num: float) -> int:
|
|
sign = 1 if (num >= 0) else -1
|
|
num = abs(num)
|
|
result = int(num)
|
|
if (num - result >= 0.5):
|
|
result += 1
|
|
return sign * result
|
|
|
|
def get_current_ms() -> int:
|
|
return rounded(time.time() * 1000)
|
|
|
|
|
|
class BaseAnimation():
|
|
def __init__(self, duration: float, delay: float = 0.0) -> None:
|
|
"""
|
|
Initialize a base animation.
|
|
|
|
Args:
|
|
duration: Length of the animation in milliseconds
|
|
delay: Time to wait before starting the animation
|
|
reverse_delay: If provided, animation will play in reverse after this delay
|
|
"""
|
|
self.duration = duration
|
|
self.delay = delay
|
|
self.delay_saved = delay
|
|
self.start_ms = get_current_ms()
|
|
self.is_finished = False
|
|
self.attribute = 0
|
|
self.is_started = False
|
|
|
|
def __repr__(self):
|
|
return str(self.__dict__)
|
|
|
|
def __str__(self):
|
|
return str(self.__dict__)
|
|
|
|
def update(self, current_time_ms: float) -> None:
|
|
"""Update the animation based on the current time."""
|
|
|
|
def restart(self) -> None:
|
|
self.start_ms = get_current_ms()
|
|
self.is_finished = False
|
|
self.delay = self.delay_saved
|
|
|
|
def start(self) -> None:
|
|
self.is_started = True
|
|
self.restart()
|
|
|
|
def pause(self):
|
|
self.is_started = False
|
|
|
|
def unpause(self):
|
|
self.is_started = True
|
|
|
|
def reset(self):
|
|
self.restart()
|
|
self.pause()
|
|
|
|
def _ease_in(self, progress: float, ease_type: str) -> float:
|
|
if ease_type == "quadratic":
|
|
return progress * progress
|
|
elif ease_type == "cubic":
|
|
return progress * progress * progress
|
|
elif ease_type == "exponential":
|
|
return 0 if progress == 0 else pow(2, 10 * (progress - 1))
|
|
return progress
|
|
|
|
def _ease_out(self, progress: float, ease_type: str) -> float:
|
|
if ease_type == "quadratic":
|
|
return progress * (2 - progress)
|
|
elif ease_type == "cubic":
|
|
return 1 - pow(1 - progress, 3)
|
|
elif ease_type == "exponential":
|
|
return 1 if progress == 1 else 1 - pow(2, -10 * progress)
|
|
return progress
|
|
|
|
def _apply_easing(self, progress: float, ease_in: Optional[str] = None,
|
|
ease_out: Optional[str] = None) -> float:
|
|
if ease_in:
|
|
return self._ease_in(progress, ease_in)
|
|
elif ease_out:
|
|
return self._ease_out(progress, ease_out)
|
|
return progress
|
|
|
|
class FadeAnimation(BaseAnimation):
|
|
def __init__(self, duration: float, initial_opacity: float = 1.0,
|
|
final_opacity: float = 0.0, delay: float = 0.0,
|
|
ease_in: Optional[str] = None, ease_out: Optional[str] = None,
|
|
reverse_delay: Optional[float] = None) -> None:
|
|
super().__init__(duration, delay)
|
|
self.initial_opacity = initial_opacity
|
|
self.attribute = initial_opacity
|
|
self.final_opacity = final_opacity
|
|
self.initial_opacity_saved = initial_opacity
|
|
self.final_opacity_saved = final_opacity
|
|
self.ease_in = ease_in
|
|
self.ease_out = ease_out
|
|
self.reverse_delay = reverse_delay
|
|
self.reverse_delay_saved = reverse_delay
|
|
|
|
def restart(self) -> None:
|
|
super().restart()
|
|
self.reverse_delay = self.reverse_delay_saved
|
|
self.initial_opacity = self.initial_opacity_saved
|
|
self.final_opacity = self.final_opacity_saved
|
|
self.attribute = self.initial_opacity
|
|
|
|
def update(self, current_time_ms: float) -> None:
|
|
if not self.is_started:
|
|
return
|
|
else:
|
|
self.is_started = not self.is_finished
|
|
elapsed_time = current_time_ms - self.start_ms
|
|
|
|
if elapsed_time <= self.delay:
|
|
self.attribute = self.initial_opacity
|
|
elif elapsed_time >= self.delay + self.duration:
|
|
self.attribute = self.final_opacity
|
|
|
|
if self.reverse_delay is not None:
|
|
self.start_ms = current_time_ms
|
|
self.delay = self.reverse_delay
|
|
self.initial_opacity, self.final_opacity = self.final_opacity, self.initial_opacity
|
|
self.reverse_delay = None
|
|
else:
|
|
self.is_finished = True
|
|
else:
|
|
animation_time = elapsed_time - self.delay
|
|
progress = animation_time / self.duration
|
|
progress = max(0.0, min(1.0, progress))
|
|
progress = self._apply_easing(progress, self.ease_in, self.ease_out)
|
|
self.attribute = self.initial_opacity + progress * (self.final_opacity - self.initial_opacity)
|
|
|
|
class MoveAnimation(BaseAnimation):
|
|
def __init__(self, duration: float, total_distance: int = 0,
|
|
start_position: int = 0, delay: float = 0.0,
|
|
reverse_delay: Optional[float] = None,
|
|
ease_in: Optional[str] = None, ease_out: Optional[str] = None) -> None:
|
|
super().__init__(duration, delay)
|
|
self.reverse_delay = reverse_delay
|
|
self.reverse_delay_saved = reverse_delay
|
|
self.total_distance = total_distance
|
|
self.start_position = start_position
|
|
self.total_distance_saved = total_distance
|
|
self.start_position_saved = start_position
|
|
self.ease_in = ease_in
|
|
self.ease_out = ease_out
|
|
|
|
def restart(self) -> None:
|
|
super().restart()
|
|
self.reverse_delay = self.reverse_delay_saved
|
|
self.total_distance = self.total_distance_saved
|
|
self.start_position = self.start_position_saved
|
|
self.attribute = self.start_position
|
|
|
|
def update(self, current_time_ms: float) -> None:
|
|
if not self.is_started:
|
|
return
|
|
else:
|
|
self.is_started = not self.is_finished
|
|
elapsed_time = current_time_ms - self.start_ms
|
|
if elapsed_time < self.delay:
|
|
self.attribute = self.start_position
|
|
|
|
elif elapsed_time >= self.delay + self.duration:
|
|
self.attribute = self.start_position + self.total_distance
|
|
if self.reverse_delay is not None:
|
|
self.start_ms = current_time_ms
|
|
self.delay = self.reverse_delay
|
|
self.start_position = self.start_position + self.total_distance
|
|
self.total_distance = -(self.total_distance)
|
|
self.reverse_delay = None
|
|
else:
|
|
self.is_finished = True
|
|
else:
|
|
progress = (elapsed_time - self.delay) / self.duration
|
|
progress = self._apply_easing(progress, self.ease_in, self.ease_out)
|
|
self.attribute = self.start_position + (self.total_distance * progress)
|
|
|
|
class TextureChangeAnimation(BaseAnimation):
|
|
def __init__(self, duration: float, textures: list[tuple[float, float, int]], delay: float = 0.0) -> None:
|
|
super().__init__(duration)
|
|
self.textures = textures
|
|
self.delay = delay
|
|
self.delay_saved = delay
|
|
|
|
def update(self, current_time_ms: float) -> None:
|
|
super().update(current_time_ms)
|
|
if not self.is_started:
|
|
return
|
|
else:
|
|
self.is_started = not self.is_finished
|
|
elapsed_time = current_time_ms - self.start_ms
|
|
if elapsed_time < self.delay:
|
|
return
|
|
|
|
animation_time = elapsed_time - self.delay
|
|
if animation_time <= self.duration:
|
|
for start, end, index in self.textures:
|
|
if start < animation_time <= end:
|
|
self.attribute = index
|
|
else:
|
|
self.is_finished = True
|
|
|
|
class TextStretchAnimation(BaseAnimation):
|
|
def __init__(self, duration: float) -> None:
|
|
super().__init__(duration)
|
|
def update(self, current_time_ms: float) -> None:
|
|
if not self.is_started:
|
|
return
|
|
else:
|
|
self.is_started = not self.is_finished
|
|
elapsed_time = current_time_ms - self.start_ms
|
|
if elapsed_time <= self.duration:
|
|
self.attribute = 2 + 5 * (elapsed_time // 25)
|
|
elif elapsed_time <= self.duration + 116:
|
|
frame_time = (elapsed_time - self.duration) // 16.57
|
|
self.attribute = 2 + 10 - (2 * (frame_time + 1))
|
|
else:
|
|
self.attribute = 0
|
|
self.is_finished = True
|
|
|
|
class TextureResizeAnimation(BaseAnimation):
|
|
def __init__(self, duration: float, initial_size: float = 1.0,
|
|
final_size: float = 0.0, delay: float = 0.0,
|
|
reverse_delay: Optional[float] = None,
|
|
ease_in: Optional[str] = None, ease_out: Optional[str] = None) -> None:
|
|
super().__init__(duration, delay)
|
|
self.initial_size = initial_size
|
|
self.final_size = final_size
|
|
self.reverse_delay = reverse_delay
|
|
self.initial_size_saved = initial_size
|
|
self.final_size_saved = final_size
|
|
self.reverse_delay_saved = reverse_delay
|
|
self.ease_in = ease_in
|
|
self.ease_out = ease_out
|
|
|
|
def restart(self) -> None:
|
|
super().restart()
|
|
self.reverse_delay = self.reverse_delay_saved
|
|
self.initial_size = self.initial_size_saved
|
|
self.final_size = self.final_size_saved
|
|
|
|
|
|
def update(self, current_time_ms: float) -> None:
|
|
if not self.is_started:
|
|
return
|
|
else:
|
|
self.is_started = not self.is_finished
|
|
elapsed_time = current_time_ms - self.start_ms
|
|
|
|
if elapsed_time <= self.delay:
|
|
self.attribute = self.initial_size
|
|
elif elapsed_time >= self.delay + self.duration:
|
|
self.attribute = self.final_size
|
|
|
|
if self.reverse_delay is not None:
|
|
self.start_ms = current_time_ms
|
|
self.delay = self.reverse_delay
|
|
self.initial_size, self.final_size = self.final_size, self.initial_size
|
|
self.reverse_delay = None
|
|
else:
|
|
self.is_finished = True
|
|
else:
|
|
animation_time = elapsed_time - self.delay
|
|
progress = animation_time / self.duration
|
|
progress = self._apply_easing(progress, self.ease_in, self.ease_out)
|
|
self.attribute = self.initial_size + ((self.final_size - self.initial_size) * progress)
|
|
|
|
|
|
class Animation:
|
|
"""Factory for creating different types of animations."""
|
|
|
|
@staticmethod
|
|
def create_fade(duration: float, **kwargs) -> FadeAnimation:
|
|
"""Create a fade animation.
|
|
|
|
Args:
|
|
duration: Length of the fade in milliseconds
|
|
delay: Time to wait before starting the fade
|
|
initial_opacity: Default is 1.0
|
|
final_opacity: Default is 0.0
|
|
reverse_delay: If provided, fade will play in reverse after this delay
|
|
ease_in: Control ease into the fade
|
|
ease_out: Control ease out of the fade
|
|
|
|
Easing options:
|
|
quadratic,
|
|
cubic,
|
|
exponential
|
|
"""
|
|
return FadeAnimation(duration, **kwargs)
|
|
|
|
@staticmethod
|
|
def create_move(duration: float, **kwargs) -> MoveAnimation:
|
|
"""Create a movement animation.
|
|
|
|
Args:
|
|
duration: Length of the move in milliseconds
|
|
start_position: The coordinates of the object before the move
|
|
total_distance: The distance travelled from the start to end position
|
|
reverse_delay: If provided, move will play in reverse after this delay
|
|
delay: Time to wait before starting the move
|
|
ease_in: Control ease into the move
|
|
ease_out: Control ease out of the move
|
|
|
|
Easing options:
|
|
quadratic,
|
|
cubic,
|
|
exponential
|
|
"""
|
|
return MoveAnimation(duration, **kwargs)
|
|
|
|
|
|
@staticmethod
|
|
def create_texture_change(duration: float, **kwargs) -> TextureChangeAnimation:
|
|
"""Create a texture change animation
|
|
|
|
Args:
|
|
duration: Length of the change in milliseconds
|
|
textures: Passed in as a tuple of the starting millisecond, ending millisecond, and texture index
|
|
delay: Time to wait before starting the change
|
|
"""
|
|
return TextureChangeAnimation(duration, **kwargs)
|
|
|
|
@staticmethod
|
|
def create_text_stretch(duration: float) -> TextStretchAnimation:
|
|
"""Create a text stretch animation.
|
|
|
|
Args:
|
|
duration: Length of the stretch in milliseconds
|
|
"""
|
|
return TextStretchAnimation(duration)
|
|
|
|
@staticmethod
|
|
def create_texture_resize(duration: float, **kwargs) -> TextureResizeAnimation:
|
|
"""Create a texture resize animation.
|
|
|
|
Args:
|
|
duration: Length of the change in milliseconds
|
|
initial_size: Default is 1.0
|
|
final_size: Default is 0.0
|
|
delay: Time to wait before starting the resize
|
|
reverse_delay: If provided, resize will play in reverse after this delay
|
|
"""
|
|
return TextureResizeAnimation(duration, **kwargs)
|
|
|
|
ANIMATION_CLASSES = {
|
|
"fade": FadeAnimation,
|
|
"move": MoveAnimation,
|
|
"texture_change": TextureChangeAnimation,
|
|
"text_stretch": TextStretchAnimation,
|
|
"texture_resize": TextureResizeAnimation
|
|
}
|
|
|
|
def parse_animations(animation_json):
|
|
raw_anims = {}
|
|
for item in animation_json:
|
|
if "id" not in item:
|
|
raise Exception("Animation requires id")
|
|
if "type" not in item:
|
|
raise Exception("Animation requires type")
|
|
|
|
raw_anims[item["id"]] = item.copy()
|
|
|
|
def find_refs(anim_id: int, visited: Optional[set] = None):
|
|
if visited is None:
|
|
visited = set()
|
|
|
|
if anim_id in visited:
|
|
raise Exception(f"Circular reference detected involving animation {anim_id}")
|
|
|
|
visited.add(anim_id)
|
|
animation = raw_anims[anim_id].copy()
|
|
|
|
for key, value in animation.items():
|
|
if isinstance(value, dict) and "reference_id" in value:
|
|
animation[key] = resolve_value(value, visited.copy())
|
|
|
|
visited.remove(anim_id)
|
|
return animation
|
|
|
|
def resolve_value(ref_obj: dict[str, Any], visited: set):
|
|
if "property" not in ref_obj:
|
|
raise Exception("Reference requires 'property' field")
|
|
|
|
ref_id = ref_obj["reference_id"]
|
|
ref_property = ref_obj["property"]
|
|
|
|
if ref_id not in raw_anims:
|
|
raise Exception(f"Referenced animation {ref_id} not found")
|
|
|
|
resolved_ref_animation = find_refs(ref_id, visited)
|
|
|
|
if ref_property not in resolved_ref_animation:
|
|
raise Exception(f"Property '{ref_property}' not found in animation {ref_id}")
|
|
|
|
base_value = resolved_ref_animation[ref_property]
|
|
|
|
if "init_val" in ref_obj:
|
|
init_val = ref_obj["init_val"]
|
|
|
|
if isinstance(init_val, dict) and "reference_id" in init_val:
|
|
init_val = resolve_value(init_val, visited)
|
|
|
|
try:
|
|
return base_value + init_val
|
|
except TypeError:
|
|
raise Exception(f"Cannot add init_val {init_val} to referenced value {base_value}")
|
|
|
|
return base_value
|
|
|
|
anim_dict = dict()
|
|
|
|
for id in raw_anims:
|
|
absolute_anim = find_refs(id)
|
|
type = absolute_anim.pop("type")
|
|
id_val = absolute_anim.pop("id")
|
|
if "comment" in absolute_anim:
|
|
absolute_anim.pop("comment")
|
|
if type not in ANIMATION_CLASSES:
|
|
raise Exception(f"Unknown Animation type: {type}")
|
|
|
|
anim_class = ANIMATION_CLASSES[type]
|
|
|
|
anim_object = anim_class(**absolute_anim)
|
|
anim_dict[id_val] = anim_object
|
|
|
|
return anim_dict
|