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BigUI WIP: Russian Nesting Tiles

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firestarsdog
2026-06-19 17:16:36 -04:00
parent 1f237019e7
commit f04b561f88
4 changed files with 526 additions and 244 deletions
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system/ui/lib/scroll_panel2.py
+69 -24
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@@ -56,6 +56,8 @@ class GuiScrollPanel2:
self._velocity = 0.0 # pixels per second
self._velocity_buffer: deque[float] = deque(maxlen=12 if TICI else 6)
self._enabled: bool | Callable[[], bool] = True
self.snap_interval: float | None = None
self._snap_target: float | None = None
def set_enabled(self, enabled: bool | Callable[[], bool]) -> None:
self._enabled = enabled
@@ -103,30 +105,52 @@ class GuiScrollPanel2:
# if we find ourselves out of bounds, scroll back in (from external layout dimension changes, etc.)
if self.get_offset() > max_offset or self.get_offset() < min_offset:
self._state = ScrollState.AUTO_SCROLL
elif self.snap_interval is not None and self.snap_interval > 0:
col_step = self.snap_interval
current_offset = self.get_offset()
idx = -current_offset / col_step
rounded_idx = round(idx)
if abs(current_offset - (-rounded_idx * col_step)) > 0.1:
max_col_idx = int(round(-min_offset / col_step))
target_idx = max(0, min(rounded_idx, max_col_idx))
self._snap_target = max(min_offset, min(0.0, -target_idx * col_step))
self._state = ScrollState.AUTO_SCROLL
elif self._state == ScrollState.AUTO_SCROLL:
# simple exponential return if out of bounds
out_of_bounds = self.get_offset() > max_offset or self.get_offset() < min_offset
if out_of_bounds and self._handle_out_of_bounds:
target = max_offset if self.get_offset() > max_offset else min_offset
if self.snap_interval is not None and self._snap_target is not None:
target = self._snap_target
dt = rl.get_frame_time() or 1e-6
factor = 1.0 - math.exp(-BOUNCE_RETURN_RATE * dt)
factor = 1.0 - math.exp(-12.0 * dt)
dist = target - self.get_offset()
self.set_offset(self.get_offset() + dist * factor) # ease toward the edge
self._velocity *= (1.0 - factor) # damp any leftover fling
# Steady once we are close enough to the target
if abs(dist) < 1 and abs(self._velocity) < MIN_VELOCITY:
self.set_offset(self.get_offset() + dist * factor)
self._velocity = 0.0
if abs(dist) < 0.5:
self.set_offset(target)
self._snap_target = None
self._state = ScrollState.STEADY
else:
# simple exponential return if out of bounds
out_of_bounds = self.get_offset() > max_offset or self.get_offset() < min_offset
if out_of_bounds and self._handle_out_of_bounds:
target = max_offset if self.get_offset() > max_offset else min_offset
dt = rl.get_frame_time() or 1e-6
factor = 1.0 - math.exp(-BOUNCE_RETURN_RATE * dt)
dist = target - self.get_offset()
self.set_offset(self.get_offset() + dist * factor) # ease toward the edge
self._velocity *= (1.0 - factor) # damp any leftover fling
# Steady once we are close enough to the target
if abs(dist) < 1 and abs(self._velocity) < MIN_VELOCITY:
self.set_offset(target)
self._velocity = 0.0
self._state = ScrollState.STEADY
elif abs(self._velocity) < MIN_VELOCITY:
self._velocity = 0.0
self._state = ScrollState.STEADY
elif abs(self._velocity) < MIN_VELOCITY:
self._velocity = 0.0
self._state = ScrollState.STEADY
# Update the offset based on the current velocity
dt = rl.get_frame_time()
self.set_offset(self.get_offset() + self._velocity * dt) # Adjust the offset based on velocity
@@ -135,6 +159,9 @@ class GuiScrollPanel2:
def _handle_mouse_event(self, mouse_event: MouseEvent, bounds: rl.Rectangle, bounds_size: float,
content_size: float) -> None:
if mouse_event.left_pressed:
self._snap_target = None
max_offset, min_offset = self._get_offset_bounds(bounds_size, content_size)
# simple exponential return if out of bounds
out_of_bounds = self.get_offset() > max_offset or self.get_offset() < min_offset
@@ -198,16 +225,34 @@ class GuiScrollPanel2:
self._velocity = weighted_velocity(self._velocity_buffer)
# If final velocity is below some threshold, switch to steady state too
low_speed = abs(self._velocity) <= MIN_VELOCITY_FOR_CLICKING * 1.5 # plus some margin
if out_of_bounds or not (high_decel or low_speed):
if self.snap_interval is not None and self.snap_interval > 0:
col_step = self.snap_interval
current_offset = self.get_offset()
idx = -current_offset / col_step
fling_threshold = 250.0
if self._velocity > fling_threshold:
target_idx = math.floor(idx)
elif self._velocity < -fling_threshold:
target_idx = math.ceil(idx)
else:
target_idx = round(idx)
max_col_idx = int(round(-min_offset / col_step))
target_idx = max(0, min(target_idx, max_col_idx))
self._snap_target = max(min_offset, min(0.0, -target_idx * col_step))
self._state = ScrollState.AUTO_SCROLL
else:
# TODO: we should just set velocity and let autoscroll go back to steady. delays one frame but who cares
self._velocity = 0.0
self._state = ScrollState.STEADY
self._velocity_buffer.clear()
self._velocity_buffer.clear()
else:
# If final velocity is below some threshold, switch to steady state too
low_speed = abs(self._velocity) <= MIN_VELOCITY_FOR_CLICKING * 1.5 # plus some margin
if out_of_bounds or not (high_decel or low_speed):
self._state = ScrollState.AUTO_SCROLL
else:
# TODO: we should just set velocity and let autoscroll go back to steady. delays one frame but who cares
self._velocity = 0.0
self._state = ScrollState.STEADY
self._velocity_buffer.clear()
else:
# Update velocity for when we release the mouse button.
# Do not update velocity on the same frame the mouse was released