7 files changed, 151 insertions, 4 deletions

diff --git a/src/common/vector_math.h b/src/common/vector_math.h
index 0e2095c45..9a7d50abd 100644
--- a/src/common/vector_math.h
+++ b/src/common/vector_math.h
@@ -259,6 +259,20 @@ public:
         return *this;
     }
 
+    void RotateFromOrigin(float roll, float pitch, float yaw) {
+        float temp = y;
+        y = std::cos(roll) * y - std::sin(roll) * z;
+        z = std::sin(roll) * temp + std::cos(roll) * z;
+
+        temp = x;
+        x = std::cosf(pitch) * x + std::sin(pitch) * z;
+        z = -std::sin(pitch) * temp + std::cos(pitch) * z;
+
+        temp = x;
+        x = std::cos(yaw) * x - std::sin(yaw) * y;
+        y = std::sin(yaw) * temp + std::cos(yaw) * y;
+    }
+
     [[nodiscard]] constexpr T Length2() const {
         return x * x + y * y + z * z;
     }
diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
index a70f8807c..a5c2e3db8 100644
--- a/src/core/hid/emulated_controller.cpp
+++ b/src/core/hid/emulated_controller.cpp
@@ -376,6 +376,7 @@ void EmulatedController::ReloadInput() {
         motion.accel = emulated_motion.GetAcceleration();
         motion.gyro = emulated_motion.GetGyroscope();
         motion.rotation = emulated_motion.GetRotations();
+        motion.euler = emulated_motion.GetEulerAngles();
         motion.orientation = emulated_motion.GetOrientation();
         motion.is_at_rest = !emulated_motion.IsMoving(motion_sensitivity);
     }
@@ -976,14 +977,11 @@ void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback
     emulated.UpdateOrientation(raw_status.delta_timestamp);
     force_update_motion = raw_status.force_update;
 
-    if (is_configuring) {
-        return;
-    }
-
     auto& motion = controller.motion_state[index];
     motion.accel = emulated.GetAcceleration();
     motion.gyro = emulated.GetGyroscope();
     motion.rotation = emulated.GetRotations();
+    motion.euler = emulated.GetEulerAngles();
     motion.orientation = emulated.GetOrientation();
     motion.is_at_rest = !emulated.IsMoving(motion_sensitivity);
 }
diff --git a/src/core/hid/emulated_controller.h b/src/core/hid/emulated_controller.h
index 429655355..6e01f4e12 100644
--- a/src/core/hid/emulated_controller.h
+++ b/src/core/hid/emulated_controller.h
@@ -106,6 +106,7 @@ struct ControllerMotion {
     Common::Vec3f accel{};
     Common::Vec3f gyro{};
     Common::Vec3f rotation{};
+    Common::Vec3f euler{};
     std::array<Common::Vec3f, 3> orientation{};
     bool is_at_rest{};
 };
diff --git a/src/core/hid/motion_input.cpp b/src/core/hid/motion_input.cpp
index 0dd66c1cc..b60478dbb 100644
--- a/src/core/hid/motion_input.cpp
+++ b/src/core/hid/motion_input.cpp
@@ -1,6 +1,8 @@
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <cmath>
+
 #include "common/math_util.h"
 #include "core/hid/motion_input.h"
 
@@ -51,6 +53,20 @@ void MotionInput::SetQuaternion(const Common::Quaternion<f32>& quaternion) {
     quat = quaternion;
 }
 
+void MotionInput::SetEulerAngles(const Common::Vec3f& euler_angles) {
+    const float cr = std::cos(euler_angles.x * 0.5f);
+    const float sr = std::sin(euler_angles.x * 0.5f);
+    const float cp = std::cos(euler_angles.y * 0.5f);
+    const float sp = std::sin(euler_angles.y * 0.5f);
+    const float cy = std::cos(euler_angles.z * 0.5f);
+    const float sy = std::sin(euler_angles.z * 0.5f);
+
+    quat.w = cr * cp * cy + sr * sp * sy;
+    quat.xyz.x = sr * cp * cy - cr * sp * sy;
+    quat.xyz.y = cr * sp * cy + sr * cp * sy;
+    quat.xyz.z = cr * cp * sy - sr * sp * cy;
+}
+
 void MotionInput::SetGyroBias(const Common::Vec3f& bias) {
     gyro_bias = bias;
 }
@@ -222,6 +238,26 @@ Common::Vec3f MotionInput::GetRotations() const {
     return rotations;
 }
 
+Common::Vec3f MotionInput::GetEulerAngles() const {
+    // roll (x-axis rotation)
+    const float sinr_cosp = 2 * (quat.w * quat.xyz.x + quat.xyz.y * quat.xyz.z);
+    const float cosr_cosp = 1 - 2 * (quat.xyz.x * quat.xyz.x + quat.xyz.y * quat.xyz.y);
+
+    // pitch (y-axis rotation)
+    const float sinp = std::sqrt(1 + 2 * (quat.w * quat.xyz.y - quat.xyz.x * quat.xyz.z));
+    const float cosp = std::sqrt(1 - 2 * (quat.w * quat.xyz.y - quat.xyz.x * quat.xyz.z));
+
+    // yaw (z-axis rotation)
+    const float siny_cosp = 2 * (quat.w * quat.xyz.z + quat.xyz.x * quat.xyz.y);
+    const float cosy_cosp = 1 - 2 * (quat.xyz.y * quat.xyz.y + quat.xyz.z * quat.xyz.z);
+
+    return {
+        std::atan2(sinr_cosp, cosr_cosp),
+        2 * std::atan2(sinp, cosp) - Common::PI / 2,
+        std::atan2(siny_cosp, cosy_cosp),
+    };
+}
+
 void MotionInput::ResetOrientation() {
     if (!reset_enabled || only_accelerometer) {
         return;
diff --git a/src/core/hid/motion_input.h b/src/core/hid/motion_input.h
index 9f3fc1cf7..482719359 100644
--- a/src/core/hid/motion_input.h
+++ b/src/core/hid/motion_input.h
@@ -35,6 +35,7 @@ public:
     void SetAcceleration(const Common::Vec3f& acceleration);
     void SetGyroscope(const Common::Vec3f& gyroscope);
     void SetQuaternion(const Common::Quaternion<f32>& quaternion);
+    void SetEulerAngles(const Common::Vec3f& euler_angles);
     void SetGyroBias(const Common::Vec3f& bias);
     void SetGyroThreshold(f32 threshold);
 
@@ -54,6 +55,7 @@ public:
     [[nodiscard]] Common::Vec3f GetGyroBias() const;
     [[nodiscard]] Common::Vec3f GetRotations() const;
     [[nodiscard]] Common::Quaternion<f32> GetQuaternion() const;
+    [[nodiscard]] Common::Vec3f GetEulerAngles() const;
 
     [[nodiscard]] bool IsMoving(f32 sensitivity) const;
     [[nodiscard]] bool IsCalibrated(f32 sensitivity) const;
diff --git a/src/yuzu/configuration/configure_input_player_widget.cpp b/src/yuzu/configuration/configure_input_player_widget.cpp
index c287220fc..fe1ee2289 100644
--- a/src/yuzu/configuration/configure_input_player_widget.cpp
+++ b/src/yuzu/configuration/configure_input_player_widget.cpp
@@ -180,6 +180,10 @@ void PlayerControlPreview::ControllerUpdate(Core::HID::ControllerTriggerType typ
         battery_values = controller->GetBatteryValues();
         needs_redraw = true;
         break;
+    case Core::HID::ControllerTriggerType::Motion:
+        motion_values = controller->GetMotions();
+        needs_redraw = true;
+        break;
     default:
         break;
     }
@@ -313,6 +317,15 @@ void PlayerControlPreview::DrawLeftController(QPainter& p, const QPointF center)
         DrawRawJoystick(p, center + QPointF(-140, 90), QPointF(0, 0));
     }
 
+    {
+        // Draw motion cubes
+        using namespace Settings::NativeMotion;
+        p.setPen(colors.outline);
+        p.setBrush(colors.transparent);
+        Draw3dCube(p, center + QPointF(-140, 90),
+                   motion_values[Settings::NativeMotion::MotionLeft].euler, 20.0f);
+    }
+
     using namespace Settings::NativeButton;
 
     // D-pad constants
@@ -435,6 +448,15 @@ void PlayerControlPreview::DrawRightController(QPainter& p, const QPointF center
         DrawRawJoystick(p, QPointF(0, 0), center + QPointF(140, 90));
     }
 
+    {
+        // Draw motion cubes
+        using namespace Settings::NativeMotion;
+        p.setPen(colors.outline);
+        p.setBrush(colors.transparent);
+        Draw3dCube(p, center + QPointF(140, 90),
+                   motion_values[Settings::NativeMotion::MotionRight].euler, 20.0f);
+    }
+
     using namespace Settings::NativeButton;
 
     // Face buttons constants
@@ -555,6 +577,17 @@ void PlayerControlPreview::DrawDualController(QPainter& p, const QPointF center)
         DrawRawJoystick(p, center + QPointF(-180, 90), center + QPointF(180, 90));
     }
 
+    {
+        // Draw motion cubes
+        using namespace Settings::NativeMotion;
+        p.setPen(colors.outline);
+        p.setBrush(colors.transparent);
+        Draw3dCube(p, center + QPointF(-180, -5),
+                   motion_values[Settings::NativeMotion::MotionLeft].euler, 20.0f);
+        Draw3dCube(p, center + QPointF(180, -5),
+                   motion_values[Settings::NativeMotion::MotionRight].euler, 20.0f);
+    }
+
     using namespace Settings::NativeButton;
 
     // Face buttons constants
@@ -647,6 +680,15 @@ void PlayerControlPreview::DrawHandheldController(QPainter& p, const QPointF cen
         DrawRawJoystick(p, center + QPointF(-50, 0), center + QPointF(50, 0));
     }
 
+    {
+        // Draw motion cubes
+        using namespace Settings::NativeMotion;
+        p.setPen(colors.outline);
+        p.setBrush(colors.transparent);
+        Draw3dCube(p, center + QPointF(0, -115),
+                   motion_values[Settings::NativeMotion::MotionLeft].euler, 15.0f);
+    }
+
     using namespace Settings::NativeButton;
 
     // Face buttons constants
@@ -750,6 +792,15 @@ void PlayerControlPreview::DrawProController(QPainter& p, const QPointF center)
         DrawRawJoystick(p, center + QPointF(-50, 105), center + QPointF(50, 105));
     }
 
+    {
+        // Draw motion cubes
+        using namespace Settings::NativeMotion;
+        p.setPen(colors.button);
+        p.setBrush(colors.transparent);
+        Draw3dCube(p, center + QPointF(0, -100),
+                   motion_values[Settings::NativeMotion::MotionLeft].euler, 15.0f);
+    }
+
     using namespace Settings::NativeButton;
 
     // Face buttons constants
@@ -2871,6 +2922,46 @@ void PlayerControlPreview::DrawArrow(QPainter& p, const QPointF center, const Di
     DrawPolygon(p, arrow_symbol);
 }
 
+// Draw motion functions
+void PlayerControlPreview::Draw3dCube(QPainter& p, QPointF center, const Common::Vec3f& euler,
+                                      float size) {
+    std::array<Common::Vec3f, 8> cube{
+        Common::Vec3f{-1, -1, -1},
+        {-1, 1, -1},
+        {1, 1, -1},
+        {1, -1, -1},
+        {-1, -1, 1},
+        {-1, 1, 1},
+        {1, 1, 1},
+        {1, -1, 1},
+    };
+
+    for (Common::Vec3f& point : cube) {
+        point.RotateFromOrigin(euler.x, euler.y, euler.z);
+        point *= size;
+    }
+
+    const std::array<QPointF, 4> front_face{
+        center + QPointF{cube[0].x, cube[0].y},
+        center + QPointF{cube[1].x, cube[1].y},
+        center + QPointF{cube[2].x, cube[2].y},
+        center + QPointF{cube[3].x, cube[3].y},
+    };
+    const std::array<QPointF, 4> back_face{
+        center + QPointF{cube[4].x, cube[4].y},
+        center + QPointF{cube[5].x, cube[5].y},
+        center + QPointF{cube[6].x, cube[6].y},
+        center + QPointF{cube[7].x, cube[7].y},
+    };
+
+    DrawPolygon(p, front_face);
+    DrawPolygon(p, back_face);
+    p.drawLine(center + QPointF{cube[0].x, cube[0].y}, center + QPointF{cube[4].x, cube[4].y});
+    p.drawLine(center + QPointF{cube[1].x, cube[1].y}, center + QPointF{cube[5].x, cube[5].y});
+    p.drawLine(center + QPointF{cube[2].x, cube[2].y}, center + QPointF{cube[6].x, cube[6].y});
+    p.drawLine(center + QPointF{cube[3].x, cube[3].y}, center + QPointF{cube[7].x, cube[7].y});
+}
+
 template <size_t N>
 void PlayerControlPreview::DrawPolygon(QPainter& p, const std::array<QPointF, N>& polygon) {
     p.drawPolygon(polygon.data(), static_cast<int>(polygon.size()));
diff --git a/src/yuzu/configuration/configure_input_player_widget.h b/src/yuzu/configuration/configure_input_player_widget.h
index 267d134de..a16943c3c 100644
--- a/src/yuzu/configuration/configure_input_player_widget.h
+++ b/src/yuzu/configuration/configure_input_player_widget.h
@@ -9,6 +9,7 @@
 
 #include "common/input.h"
 #include "common/settings_input.h"
+#include "common/vector_math.h"
 #include "core/hid/emulated_controller.h"
 #include "core/hid/hid_types.h"
 
@@ -193,6 +194,9 @@ private:
     void DrawSymbol(QPainter& p, QPointF center, Symbol symbol, float icon_size);
     void DrawArrow(QPainter& p, QPointF center, Direction direction, float size);
 
+    // Draw motion functions
+    void Draw3dCube(QPainter& p, QPointF center, const Common::Vec3f& euler, float size);
+
     // Draw primitive types
     template <size_t N>
     void DrawPolygon(QPainter& p, const std::array<QPointF, N>& polygon);
@@ -222,4 +226,5 @@ private:
     Core::HID::SticksValues stick_values{};
     Core::HID::TriggerValues trigger_values{};
     Core::HID::BatteryValues battery_values{};
+    Core::HID::MotionState motion_values{};
 };