Separate out accelerometer events from joystick axis events

Common/Input/InputState.h

@@ -31,7 +31,7 @@ enum InputDeviceID {
 	DEVICE_ID_XINPUT_1 = 21,
 	DEVICE_ID_XINPUT_2 = 22,
 	DEVICE_ID_XINPUT_3 = 23,
-	DEVICE_ID_ACCELEROMETER = 30,
+	DEVICE_ID_ACCELEROMETER = 30,  // no longer used
 	DEVICE_ID_XR_HMD = 39,
 	DEVICE_ID_XR_CONTROLLER_LEFT = 40,
 	DEVICE_ID_XR_CONTROLLER_RIGHT = 41,

Common/Input/KeyCodes.h

@@ -305,7 +305,7 @@ enum InputAxis {
 	JOYSTICK_AXIS_MOUSE_REL_X = 26,
 	JOYSTICK_AXIS_MOUSE_REL_Y = 27,
 
-	// Mobile device accelerometer/gyro
+	// Mobile device accelerometer/gyro. NOTE: These are no longer passed around internally, only used for the plugin API.
 	JOYSTICK_AXIS_ACCELEROMETER_X = 40,
 	JOYSTICK_AXIS_ACCELEROMETER_Y = 41,
 	JOYSTICK_AXIS_ACCELEROMETER_Z = 42,

Common/System/NativeApp.h

@@ -55,6 +55,7 @@ bool NativeIsRestarting();
 void NativeTouch(const TouchInput &touch);
 bool NativeKey(const KeyInput &key);
 void NativeAxis(const AxisInput *axis, size_t count);
+void NativeAccelerometer(float tiltX, float tiltY, float tiltZ);
 
 // Called when it's process a frame, including rendering. If the device can keep up, this
 // will be called sixty times per second. Main thread.

Core/TiltEventProcessor.cpp

@@ -19,6 +19,12 @@ static u32 tiltButtonsDown = 0;
 float rawTiltAnalogX;
 float rawTiltAnalogY;
 
+float g_currentYAngle = 0.0f;
+
+float GetCurrentYAngle() {
+	return g_currentYAngle;
+}
+
 // These functions generate tilt events given the current Tilt amount,
 // and the deadzone radius.
 void GenerateAnalogStickEvent(float analogX, float analogY);
@@ -73,6 +79,7 @@ void ProcessTilt(bool landscape, float calibrationAngle, float x, float y, float
 	Lin::Vec3 down = Lin::Vec3(x, y, z).normalized();
 
 	float angleAroundX = atan2(down.z, down.y);
+	g_currentYAngle = angleAroundX;  // TODO: Should smooth this out over time a bit.
 	float yAngle = angleAroundX - calibrationAngle;
 	float xAngle = asinf(down.x);
 

Core/TiltEventProcessor.h

@@ -1,12 +1,16 @@
 #pragma once
 
+#include "Common/Math/lin/vec3.h"
+
 namespace TiltEventProcessor {
 
 // generates a tilt in the correct coordinate system based on
 // calibration. x, y, z is the current accelerometer reading (with no conversion).
 void ProcessTilt(bool landscape, const float calibrationAngle, float x, float y, float z, bool invertX, bool invertY, float xSensitivity, float ySensitivity);
 void ResetTiltEvents();
 
+float GetCurrentYAngle();
+
 // Lets you preview the amount of tilt in TiltAnalogSettingsScreen.
 extern float rawTiltAnalogX;
 extern float rawTiltAnalogY;

Qt/QtMain.cpp

@@ -731,18 +731,7 @@ void MainUI::updateAccelerometer() {
 	// TODO: Toggle it depending on whether it is enabled
 	QAccelerometerReading *reading = acc->reading();
 	if (reading) {
-		AxisInput axis[3];
-		for (int i = 0; i < 3; i++) {
-			axis[i].deviceId = DEVICE_ID_ACCELEROMETER;
-		}
-
-		axis[0].axisId = JOYSTICK_AXIS_ACCELEROMETER_X;
-		axis[0].value = reading->x();
-		axis[1].axisId = JOYSTICK_AXIS_ACCELEROMETER_Y;
-		axis[1].value = reading->y();
-		axis[2].axisId = JOYSTICK_AXIS_ACCELEROMETER_Z;
-		axis[2].value = reading->z();
-		NativeAxis(axis, 3);
+		NativeAccelerometer(reading->x(), reading->y(), reading->z());
 	}
 #endif
 }

UI/NativeApp.cpp

@@ -1336,22 +1336,12 @@ static void ProcessOneAxisEvent(const AxisInput &axis) {
 }
 
 void NativeAxis(const AxisInput *axes, size_t count) {
-	// figure out what the current tilt orientation is by checking the axis event
-	// This is static, since we need to remember where we last were (in terms of orientation)
-	static float tiltX;
-	static float tiltY;
-	static float tiltZ;
-
 	for (size_t i = 0; i < count; i++) {
 		ProcessOneAxisEvent(axes[i]);
-		switch (axes[i].axisId) {
-		case JOYSTICK_AXIS_ACCELEROMETER_X: tiltX = axes[i].value; break;
-		case JOYSTICK_AXIS_ACCELEROMETER_Y: tiltY = axes[i].value; break;
-		case JOYSTICK_AXIS_ACCELEROMETER_Z: tiltZ = axes[i].value; break;
-		default: break;
-		}
 	}
+}
 
+void NativeAccelerometer(float tiltX, float tiltY, float tiltZ) {
 	if (g_Config.iTiltInputType == TILT_NULL) {
 		// if tilt events are disabled, don't do anything special.
 		return;
@@ -1377,6 +1367,10 @@ void NativeAxis(const AxisInput *axes, size_t count) {
 	TiltEventProcessor::ProcessTilt(landscape, tiltBaseAngleY, tiltX, tiltY, tiltZ,
 		g_Config.bInvertTiltX, g_Config.bInvertTiltY,
 		xSensitivity, ySensitivity);
+
+	HLEPlugins::PluginDataAxis[JOYSTICK_AXIS_ACCELEROMETER_X] = tiltX;
+	HLEPlugins::PluginDataAxis[JOYSTICK_AXIS_ACCELEROMETER_Y] = tiltY;
+	HLEPlugins::PluginDataAxis[JOYSTICK_AXIS_ACCELEROMETER_Z] = tiltZ;
 }
 
 void System_PostUIMessage(const std::string &message, const std::string &value) {

UI/TiltAnalogSettingsScreen.cpp

@@ -137,22 +137,8 @@ void TiltAnalogSettingsScreen::CreateViews() {
 	settings->Add(new Choice(di->T("Back")))->OnClick.Handle<UIScreen>(this, &UIScreen::OnBack);
 }
 
-void TiltAnalogSettingsScreen::axis(const AxisInput &axis) {
-	UIDialogScreenWithGameBackground::axis(axis);
-
-	if (axis.deviceId == DEVICE_ID_ACCELEROMETER) {
-		switch (axis.axisId) {
-		case JOYSTICK_AXIS_ACCELEROMETER_X: down_.x = axis.value; break;
-		case JOYSTICK_AXIS_ACCELEROMETER_Y: down_.y = axis.value; break;
-		case JOYSTICK_AXIS_ACCELEROMETER_Z: down_.z = axis.value; break;
-		default: break;
-		}
-	}
-}
-
 UI::EventReturn TiltAnalogSettingsScreen::OnCalibrate(UI::EventParams &e) {
-	Lin::Vec3 down = down_.normalized();
-	g_Config.fTiltBaseAngleY = atan2(down.z, down.x);
+	g_Config.fTiltBaseAngleY = TiltEventProcessor::GetCurrentYAngle();
 	return UI::EVENT_DONE;
 }
 

UI/TiltAnalogSettingsScreen.h

@@ -29,7 +29,6 @@ class TiltAnalogSettingsScreen : public UIDialogScreenWithGameBackground {
 	TiltAnalogSettingsScreen(const Path &gamePath) : UIDialogScreenWithGameBackground(gamePath) {}
 
 	void CreateViews() override;
-	void axis(const AxisInput &axis) override;
 	void update() override;
 	const char *tag() const override { return "TiltAnalogSettings"; }
 

android/jni/app-android.cpp

@@ -1240,18 +1240,7 @@ extern "C" jboolean Java_org_ppsspp_ppsspp_NativeApp_mouseWheelEvent(
 extern "C" void JNICALL Java_org_ppsspp_ppsspp_NativeApp_accelerometer(JNIEnv *, jclass, float x, float y, float z) {
 	if (!renderer_inited)
 		return;
-
-	AxisInput axis[3];
-	for (int i = 0; i < 3; i++) {
-		axis[i].deviceId = DEVICE_ID_ACCELEROMETER;
-	}
-	axis[0].axisId = JOYSTICK_AXIS_ACCELEROMETER_X;
-	axis[0].value = x;
-	axis[1].axisId = JOYSTICK_AXIS_ACCELEROMETER_Y;
-	axis[1].value = y;
-	axis[2].axisId = JOYSTICK_AXIS_ACCELEROMETER_Z;
-	axis[2].value = z;
-	NativeAxis(axis, 3);
+	NativeAccelerometer(x, y, z);
 }
 
 extern "C" void JNICALL Java_org_ppsspp_ppsspp_NativeApp_sendMessageFromJava(JNIEnv *env, jclass, jstring message, jstring param) {