From 6a0963908dbb316f00818822065e26777621bdcc Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Thu, 29 May 2025 23:28:16 -0500
Subject: DolphinQt: Make Calibration autocomplete when data is "sensible" and
 stick is returned to neutral position.

---
 Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp')

diff --git a/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp b/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
index 2852291021..8b8a22e400 100644
--- a/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
@@ -5,6 +5,7 @@
 
 #include <algorithm>
 #include <chrono>
+#include <cmath>
 #include <ranges>
 #include <string>
 #include <vector>
@@ -277,6 +278,16 @@ bool CalibrationBuilder::IsCalibrationDataSensible() const
   return stats.StandardDeviation() < REASONABLE_DEVIATION;
 }
 
+bool CalibrationBuilder::IsComplete() const
+{
+  if (!IsCalibrationDataSensible())
+    return false;
+
+  const auto half_calibration =
+      0.5 * GetCalibrationRadiusAtAngle(std::atan2(m_prev_point.y, m_prev_point.x) + MathUtil::TAU);
+  return m_prev_point.LengthSquared() < (half_calibration * half_calibration);
+}
+
 ControlState CalibrationBuilder::GetCalibrationRadiusAtAngle(double angle) const
 {
   return ControllerEmu::ReshapableInput::GetCalibrationDataRadiusAtAngle(m_calibration_data, angle);
-- 
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