From b88c8865926f20ee2ca140c6d07bc77a071680f3 Mon Sep 17 00:00:00 2001
From: firestarsdog <229254897+firestarsdog@users.noreply.github.com>
Date: Sat, 23 May 2026 02:19:23 -0400
Subject: [PATCH] BigUI WIP: Aethergauge

---
 selfdrive/ui/onroad/starpilot/aethergauge.py  | 135 ++++++++++++++++++
 .../onroad/starpilot/starpilot_onroad_view.py |   3 +
 2 files changed, 138 insertions(+)
 create mode 100644 selfdrive/ui/onroad/starpilot/aethergauge.py

diff --git a/selfdrive/ui/onroad/starpilot/aethergauge.py b/selfdrive/ui/onroad/starpilot/aethergauge.py
new file mode 100644
index 000000000..f86cdfcc7
--- /dev/null
+++ b/selfdrive/ui/onroad/starpilot/aethergauge.py
@@ -0,0 +1,135 @@
+from dataclasses import dataclass
+import math
+import pyray as rl
+from openpilot.common.constants import CV
+from openpilot.selfdrive.ui.ui_state import ui_state
+from openpilot.system.ui.lib.text_measure import measure_text_cached
+from openpilot.selfdrive.ui.onroad.starpilot.starpilot_border import _csc_state, _intensity, _glow_color
+
+@dataclass
+class AetherGaugeData:
+  text: str
+  unit: str = ""
+  label: str = ""
+  animation: str = "none" # e.g. "down_arrows"
+  color: rl.Color = rl.WHITE
+
+class AetherGaugeSource:
+  def is_active(self) -> bool:
+    return False
+
+  def get_gauge_data(self) -> AetherGaugeData:
+    raise NotImplementedError
+
+class CurveSpeedSource(AetherGaugeSource):
+  def is_active(self) -> bool:
+    state = _csc_state()
+    return state is not None and state['active']
+
+  def get_gauge_data(self) -> AetherGaugeData:
+    state = _csc_state()
+    if state is None:
+      return AetherGaugeData(text="")
+      
+    plan = ui_state.sm["starpilotPlan"]
+    car_state = ui_state.sm["carState"]
+    
+    speed_conversion = CV.MS_TO_KPH if ui_state.is_metric else CV.MS_TO_MPH
+    speed_unit = "km/h" if ui_state.is_metric else "mph"
+    
+    csc_speed = getattr(plan, "cscSpeed", 0.0)
+    v_ego = car_state.vEgo if car_state else 0.0
+    
+    csc_speed_val = int(round(min(v_ego, csc_speed) * speed_conversion))
+    
+    intensity = _intensity(state['curvature'])
+    color = _glow_color(intensity)
+    
+    return AetherGaugeData(
+      text=str(csc_speed_val),
+      unit=speed_unit,
+      label="CURVE",
+      animation="down_arrows",
+      color=color
+    )
+
+class AetherGauge:
+  def __init__(self):
+    self.sources: list[AetherGaugeSource] = [CurveSpeedSource()]
+
+  def get_active_data(self) -> AetherGaugeData | None:
+    for source in self.sources:
+      if source.is_active():
+        return source.get_gauge_data()
+    return None
+
+  def render(self, rect: rl.Rectangle, font_bold: rl.Font, font_medium: rl.Font):
+    data = self.get_active_data()
+    if not data:
+      return
+
+    cx = rect.x + rect.width / 2
+    cy = rect.y + 340
+
+    if data.animation == "down_arrows":
+      self._render_down_arrows(cx, cy, data.color)
+      text_y = cy + 50
+    else:
+      text_y = cy
+
+    self._render_text(cx, text_y, data, font_bold, font_medium)
+
+  def _render_down_arrows(self, cx: float, cy: float, color: rl.Color):
+    progress = (rl.get_time() * 1.5) % 1.0
+    spacing = 16.0
+    chevron_w = 20.0
+    chevron_h = 10.0
+    thickness = 4.0
+
+    for i in range(3):
+      y_off = (i + progress) * spacing
+      y = cy + y_off
+
+      dist_normalized = (i + progress) / 3.0
+      alpha_factor = math.sin(dist_normalized * math.pi)
+      alpha = int(color.a * alpha_factor)
+
+      chevron_color = rl.Color(color.r, color.g, color.b, alpha)
+
+      # Drop shadow (black with half of chevron's alpha)
+      shadow_color = rl.Color(0, 0, 0, int(alpha * 0.5))
+      rl.draw_line_ex(rl.Vector2(int(cx - chevron_w), int(y - chevron_h + 2)), rl.Vector2(int(cx), int(y + 2)), thickness, shadow_color)
+      rl.draw_line_ex(rl.Vector2(int(cx + chevron_w), int(y - chevron_h + 2)), rl.Vector2(int(cx), int(y + 2)), thickness, shadow_color)
+
+      # Main chevron lines
+      rl.draw_line_ex(rl.Vector2(int(cx - chevron_w), int(y - chevron_h)), rl.Vector2(int(cx), int(y)), thickness, chevron_color)
+      rl.draw_line_ex(rl.Vector2(int(cx + chevron_w), int(y - chevron_h)), rl.Vector2(int(cx), int(y)), thickness, chevron_color)
+
+  def _render_text(self, cx: float, cy: float, data: AetherGaugeData, font_bold: rl.Font, font_medium: rl.Font):
+    speed_text = data.text
+    unit_text = data.unit
+
+    speed_size = measure_text_cached(font_bold, speed_text, 48)
+    unit_size = measure_text_cached(font_medium, unit_text, 24)
+
+    gap = 6
+    total_w = speed_size.x + gap + unit_size.x
+    start_x = cx - total_w / 2
+
+    # Draw outline for speed
+    speed_pos = rl.Vector2(int(start_x), int(cy))
+    rl.draw_text_ex(font_bold, speed_text, rl.Vector2(speed_pos.x - 1, speed_pos.y - 1), 48, 0, rl.BLACK)
+    rl.draw_text_ex(font_bold, speed_text, rl.Vector2(speed_pos.x + 1, speed_pos.y - 1), 48, 0, rl.BLACK)
+    rl.draw_text_ex(font_bold, speed_text, rl.Vector2(speed_pos.x - 1, speed_pos.y + 1), 48, 0, rl.BLACK)
+    rl.draw_text_ex(font_bold, speed_text, rl.Vector2(speed_pos.x + 1, speed_pos.y + 1), 48, 0, rl.BLACK)
+    rl.draw_text_ex(font_bold, speed_text, speed_pos, 48, 0, rl.WHITE)
+
+    # Draw outline for unit
+    unit_y = cy + (speed_size.y - unit_size.y) - 2
+    unit_pos = rl.Vector2(int(start_x + speed_size.x + gap), int(unit_y))
+
+    rl.draw_text_ex(font_medium, unit_text, rl.Vector2(unit_pos.x - 1, unit_pos.y - 1), 24, 0, rl.BLACK)
+    rl.draw_text_ex(font_medium, unit_text, rl.Vector2(unit_pos.x + 1, unit_pos.y - 1), 24, 0, rl.BLACK)
+    rl.draw_text_ex(font_medium, unit_text, rl.Vector2(unit_pos.x - 1, unit_pos.y + 1), 24, 0, rl.BLACK)
+    rl.draw_text_ex(font_medium, unit_text, rl.Vector2(unit_pos.x + 1, unit_pos.y + 1), 24, 0, rl.BLACK)
+    rl.draw_text_ex(font_medium, unit_text, unit_pos, 24, 0, data.color)
diff --git a/selfdrive/ui/onroad/starpilot/starpilot_onroad_view.py b/selfdrive/ui/onroad/starpilot/starpilot_onroad_view.py
index f1300ecf2..6eab56930 100644
--- a/selfdrive/ui/onroad/starpilot/starpilot_onroad_view.py
+++ b/selfdrive/ui/onroad/starpilot/starpilot_onroad_view.py
@@ -11,6 +11,7 @@ from openpilot.selfdrive.ui.onroad.starpilot.slc_speed_limit import (
   SET_SPEED_WIDTH_IMP, SET_SPEED_WIDTH_MET, SET_SPEED_HEIGHT, SIGN_MARGIN,
 )
 from openpilot.selfdrive.ui.ui_state import ui_state
+from openpilot.selfdrive.ui.onroad.starpilot.aethergauge import AetherGauge
 from openpilot.selfdrive.ui.lib.starpilot_status import (
     get_screen_edge_color, CEM_OVERRIDE_COLOR, ENGAGED_COLOR,
     EXPERIMENTAL_COLOR, TRAFFIC_COLOR,
@@ -29,6 +30,7 @@ class StarPilotOnroadView(AugmentedRoadView):
     self._font_medium = gui_app.font(FontWeight.MEDIUM)
     self._standstill_started_at = 0.0
     self._smoothed_steer = 0.0
+    self._aethergauge = AetherGauge()
 
   def _render(self, rect: rl.Rectangle):
     self._position_personality_button()
@@ -60,6 +62,7 @@ class StarPilotOnroadView(AugmentedRoadView):
     self._render_road_name()
     self._render_standstill_timer()
     self._render_developer_metrics()
+    self._aethergauge.render(self._content_rect, self._font_bold, self._font_medium)
     self._render_bottom_row_widgets()
     self._render_pedals()