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-rw-r--r--src/citra/config.cpp3
-rw-r--r--src/citra/default_ini.h8
-rw-r--r--src/citra/emu_window/emu_window_sdl2.cpp10
-rw-r--r--src/citra/emu_window/emu_window_sdl2.h4
-rw-r--r--src/citra_qt/bootmanager.cpp10
-rw-r--r--src/citra_qt/bootmanager.h4
-rw-r--r--src/citra_qt/configuration/config.cpp6
-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/frontend/emu_window.cpp23
-rw-r--r--src/core/frontend/emu_window.h83
-rw-r--r--src/core/frontend/input.h9
-rw-r--r--src/core/frontend/motion_emu.cpp89
-rw-r--r--src/input_common/CMakeLists.txt2
-rw-r--r--src/input_common/main.cpp15
-rw-r--r--src/input_common/main.h5
-rw-r--r--src/input_common/motion_emu.cpp159
-rw-r--r--src/input_common/motion_emu.h (renamed from src/core/frontend/motion_emu.h)33
17 files changed, 221 insertions, 244 deletions
diff --git a/src/citra/config.cpp b/src/citra/config.cpp
index 69247b166..73846ed91 100644
--- a/src/citra/config.cpp
+++ b/src/citra/config.cpp
@@ -76,6 +76,9 @@ void Config::ReadValues() {
Settings::values.analogs[i] = default_param;
}
+ Settings::values.motion_device = sdl2_config->Get(
+ "Controls", "motion_device", "engine:motion_emu,update_period:100,sensitivity:0.01");
+
// Core
Settings::values.use_cpu_jit = sdl2_config->GetBoolean("Core", "use_cpu_jit", true);
diff --git a/src/citra/default_ini.h b/src/citra/default_ini.h
index b0a0ebd3b..9ea779dd8 100644
--- a/src/citra/default_ini.h
+++ b/src/citra/default_ini.h
@@ -43,7 +43,7 @@ button_zr=
button_home=
# for analog input, the following devices are available:
-# - "analog_from_button" (default) for emulating analog input from direction buttons. Required parameters:
+# - "analog_from_button" (default) for emulating analog input from direction buttons. Required parameters:
# - "up", "down", "left", "right": sub-devices for each direction.
# Should be in the format as a button input devices using escape characters, for example, "engine$0keyboard$1code$00"
# - "modifier": sub-devices as a modifier.
@@ -56,6 +56,12 @@ button_home=
circle_pad=
c_stick=
+# for motion input, the following devices are available:
+# - "motion_emu" (default) for emulating motion input from mouse input. Required parameters:
+# - "update_period": update period in milliseconds (default to 100)
+# - "sensitivity": the coefficient converting mouse movement to tilting angle (default to 0.01)
+motion_device=
+
[Core]
# Whether to use the Just-In-Time (JIT) compiler for CPU emulation
# 0: Interpreter (slow), 1 (default): JIT (fast)
diff --git a/src/citra/emu_window/emu_window_sdl2.cpp b/src/citra/emu_window/emu_window_sdl2.cpp
index b0f808399..25643715a 100644
--- a/src/citra/emu_window/emu_window_sdl2.cpp
+++ b/src/citra/emu_window/emu_window_sdl2.cpp
@@ -16,11 +16,12 @@
#include "core/settings.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
+#include "input_common/motion_emu.h"
#include "network/network.h"
void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
- motion_emu->Tilt(x, y);
+ InputCommon::GetMotionEmu()->Tilt(x, y);
}
void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
@@ -32,9 +33,9 @@ void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
}
} else if (button == SDL_BUTTON_RIGHT) {
if (state == SDL_PRESSED) {
- motion_emu->BeginTilt(x, y);
+ InputCommon::GetMotionEmu()->BeginTilt(x, y);
} else {
- motion_emu->EndTilt();
+ InputCommon::GetMotionEmu()->EndTilt();
}
}
}
@@ -61,8 +62,6 @@ EmuWindow_SDL2::EmuWindow_SDL2() {
InputCommon::Init();
Network::Init();
- motion_emu = std::make_unique<Motion::MotionEmu>(*this);
-
SDL_SetMainReady();
// Initialize the window
@@ -117,7 +116,6 @@ EmuWindow_SDL2::EmuWindow_SDL2() {
EmuWindow_SDL2::~EmuWindow_SDL2() {
SDL_GL_DeleteContext(gl_context);
SDL_Quit();
- motion_emu = nullptr;
Network::Shutdown();
InputCommon::Shutdown();
diff --git a/src/citra/emu_window/emu_window_sdl2.h b/src/citra/emu_window/emu_window_sdl2.h
index 1ce2991f7..3664d2fbe 100644
--- a/src/citra/emu_window/emu_window_sdl2.h
+++ b/src/citra/emu_window/emu_window_sdl2.h
@@ -7,7 +7,6 @@
#include <memory>
#include <utility>
#include "core/frontend/emu_window.h"
-#include "core/frontend/motion_emu.h"
struct SDL_Window;
@@ -57,7 +56,4 @@ private:
using SDL_GLContext = void*;
/// The OpenGL context associated with the window
SDL_GLContext gl_context;
-
- /// Motion sensors emulation
- std::unique_ptr<Motion::MotionEmu> motion_emu;
};
diff --git a/src/citra_qt/bootmanager.cpp b/src/citra_qt/bootmanager.cpp
index 30554890f..7107bfc60 100644
--- a/src/citra_qt/bootmanager.cpp
+++ b/src/citra_qt/bootmanager.cpp
@@ -17,6 +17,7 @@
#include "core/settings.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
+#include "input_common/motion_emu.h"
#include "network/network.h"
EmuThread::EmuThread(GRenderWindow* render_window)
@@ -201,7 +202,6 @@ qreal GRenderWindow::windowPixelRatio() {
}
void GRenderWindow::closeEvent(QCloseEvent* event) {
- motion_emu = nullptr;
emit Closed();
QWidget::closeEvent(event);
}
@@ -221,7 +221,7 @@ void GRenderWindow::mousePressEvent(QMouseEvent* event) {
this->TouchPressed(static_cast<unsigned>(pos.x() * pixelRatio),
static_cast<unsigned>(pos.y() * pixelRatio));
} else if (event->button() == Qt::RightButton) {
- motion_emu->BeginTilt(pos.x(), pos.y());
+ InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
}
}
@@ -230,14 +230,14 @@ void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
qreal pixelRatio = windowPixelRatio();
this->TouchMoved(std::max(static_cast<unsigned>(pos.x() * pixelRatio), 0u),
std::max(static_cast<unsigned>(pos.y() * pixelRatio), 0u));
- motion_emu->Tilt(pos.x(), pos.y());
+ InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
}
void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
if (event->button() == Qt::LeftButton)
this->TouchReleased();
else if (event->button() == Qt::RightButton)
- motion_emu->EndTilt();
+ InputCommon::GetMotionEmu()->EndTilt();
}
void GRenderWindow::focusOutEvent(QFocusEvent* event) {
@@ -290,13 +290,11 @@ void GRenderWindow::OnMinimalClientAreaChangeRequest(
}
void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
- motion_emu = std::make_unique<Motion::MotionEmu>(*this);
this->emu_thread = emu_thread;
child->DisablePainting();
}
void GRenderWindow::OnEmulationStopping() {
- motion_emu = nullptr;
emu_thread = nullptr;
child->EnablePainting();
}
diff --git a/src/citra_qt/bootmanager.h b/src/citra_qt/bootmanager.h
index 4b3a3b3cc..6974edcbb 100644
--- a/src/citra_qt/bootmanager.h
+++ b/src/citra_qt/bootmanager.h
@@ -12,7 +12,6 @@
#include "common/thread.h"
#include "core/core.h"
#include "core/frontend/emu_window.h"
-#include "core/frontend/motion_emu.h"
class QKeyEvent;
class QScreen;
@@ -158,9 +157,6 @@ private:
EmuThread* emu_thread;
- /// Motion sensors emulation
- std::unique_ptr<Motion::MotionEmu> motion_emu;
-
protected:
void showEvent(QShowEvent* event) override;
};
diff --git a/src/citra_qt/configuration/config.cpp b/src/citra_qt/configuration/config.cpp
index 75abb4ce6..6e42db007 100644
--- a/src/citra_qt/configuration/config.cpp
+++ b/src/citra_qt/configuration/config.cpp
@@ -57,6 +57,11 @@ void Config::ReadValues() {
Settings::values.analogs[i] = default_param;
}
+ Settings::values.motion_device =
+ qt_config->value("motion_device", "engine:motion_emu,update_period:100,sensitivity:0.01")
+ .toString()
+ .toStdString();
+
qt_config->endGroup();
qt_config->beginGroup("Core");
@@ -203,6 +208,7 @@ void Config::SaveValues() {
qt_config->setValue(QString::fromStdString(Settings::NativeAnalog::mapping[i]),
QString::fromStdString(Settings::values.analogs[i]));
}
+ qt_config->setValue("motion_device", QString::fromStdString(Settings::values.motion_device));
qt_config->endGroup();
qt_config->beginGroup("Core");
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 360f407f3..ea36b7d95 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -33,7 +33,6 @@ set(SRCS
frontend/camera/interface.cpp
frontend/emu_window.cpp
frontend/framebuffer_layout.cpp
- frontend/motion_emu.cpp
gdbstub/gdbstub.cpp
hle/config_mem.cpp
hle/applets/applet.cpp
@@ -226,7 +225,6 @@ set(HEADERS
frontend/emu_window.h
frontend/framebuffer_layout.h
frontend/input.h
- frontend/motion_emu.h
gdbstub/gdbstub.h
hle/config_mem.h
hle/function_wrappers.h
diff --git a/src/core/frontend/emu_window.cpp b/src/core/frontend/emu_window.cpp
index 4f7d54a33..60b20d4e2 100644
--- a/src/core/frontend/emu_window.cpp
+++ b/src/core/frontend/emu_window.cpp
@@ -62,29 +62,6 @@ void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
TouchPressed(framebuffer_x, framebuffer_y);
}
-void EmuWindow::AccelerometerChanged(float x, float y, float z) {
- constexpr float coef = 512;
-
- std::lock_guard<std::mutex> lock(accel_mutex);
-
- // TODO(wwylele): do a time stretch as it in GyroscopeChanged
- // The time stretch formula should be like
- // stretched_vector = (raw_vector - gravity) * stretch_ratio + gravity
- accel_x = static_cast<s16>(x * coef);
- accel_y = static_cast<s16>(y * coef);
- accel_z = static_cast<s16>(z * coef);
-}
-
-void EmuWindow::GyroscopeChanged(float x, float y, float z) {
- constexpr float FULL_FPS = 60;
- float coef = GetGyroscopeRawToDpsCoefficient();
- float stretch = Core::System::GetInstance().perf_stats.GetLastFrameTimeScale();
- std::lock_guard<std::mutex> lock(gyro_mutex);
- gyro_x = static_cast<s16>(x * coef * stretch);
- gyro_y = static_cast<s16>(y * coef * stretch);
- gyro_z = static_cast<s16>(z * coef * stretch);
-}
-
void EmuWindow::UpdateCurrentFramebufferLayout(unsigned width, unsigned height) {
Layout::FramebufferLayout layout;
if (Settings::values.custom_layout == true) {
diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h
index 9414123a4..7bdee251c 100644
--- a/src/core/frontend/emu_window.h
+++ b/src/core/frontend/emu_window.h
@@ -69,27 +69,6 @@ public:
void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y);
/**
- * Signal accelerometer state has changed.
- * @param x X-axis accelerometer value
- * @param y Y-axis accelerometer value
- * @param z Z-axis accelerometer value
- * @note all values are in unit of g (gravitational acceleration).
- * e.g. x = 1.0 means 9.8m/s^2 in x direction.
- * @see GetAccelerometerState for axis explanation.
- */
- void AccelerometerChanged(float x, float y, float z);
-
- /**
- * Signal gyroscope state has changed.
- * @param x X-axis accelerometer value
- * @param y Y-axis accelerometer value
- * @param z Z-axis accelerometer value
- * @note all values are in deg/sec.
- * @see GetGyroscopeState for axis explanation.
- */
- void GyroscopeChanged(float x, float y, float z);
-
- /**
* Gets the current touch screen state (touch X/Y coordinates and whether or not it is pressed).
* @note This should be called by the core emu thread to get a state set by the window thread.
* @todo Fix this function to be thread-safe.
@@ -101,52 +80,6 @@ public:
}
/**
- * Gets the current accelerometer state (acceleration along each three axis).
- * Axis explained:
- * +x is the same direction as LEFT on D-pad.
- * +y is normal to the touch screen, pointing outward.
- * +z is the same direction as UP on D-pad.
- * Units:
- * 1 unit of return value = 1/512 g (measured by hw test),
- * where g is the gravitational acceleration (9.8 m/sec2).
- * @note This should be called by the core emu thread to get a state set by the window thread.
- * @return std::tuple of (x, y, z)
- */
- std::tuple<s16, s16, s16> GetAccelerometerState() {
- std::lock_guard<std::mutex> lock(accel_mutex);
- return std::make_tuple(accel_x, accel_y, accel_z);
- }
-
- /**
- * Gets the current gyroscope state (angular rates about each three axis).
- * Axis explained:
- * +x is the same direction as LEFT on D-pad.
- * +y is normal to the touch screen, pointing outward.
- * +z is the same direction as UP on D-pad.
- * Orientation is determined by right-hand rule.
- * Units:
- * 1 unit of return value = (1/coef) deg/sec,
- * where coef is the return value of GetGyroscopeRawToDpsCoefficient().
- * @note This should be called by the core emu thread to get a state set by the window thread.
- * @return std::tuple of (x, y, z)
- */
- std::tuple<s16, s16, s16> GetGyroscopeState() {
- std::lock_guard<std::mutex> lock(gyro_mutex);
- return std::make_tuple(gyro_x, gyro_y, gyro_z);
- }
-
- /**
- * Gets the coefficient for units conversion of gyroscope state.
- * The conversion formula is r = coefficient * v,
- * where v is angular rate in deg/sec,
- * and r is the gyroscope state.
- * @return float-type coefficient
- */
- f32 GetGyroscopeRawToDpsCoefficient() const {
- return 14.375f; // taken from hw test, and gyroscope's document
- }
-
- /**
* Returns currently active configuration.
* @note Accesses to the returned object need not be consistent because it may be modified in
* another thread
@@ -187,12 +120,6 @@ protected:
touch_x = 0;
touch_y = 0;
touch_pressed = false;
- accel_x = 0;
- accel_y = -512;
- accel_z = 0;
- gyro_x = 0;
- gyro_y = 0;
- gyro_z = 0;
}
virtual ~EmuWindow() {}
@@ -255,16 +182,6 @@ private:
u16 touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320)
u16 touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240)
- std::mutex accel_mutex;
- s16 accel_x; ///< Accelerometer X-axis value in native 3DS units
- s16 accel_y; ///< Accelerometer Y-axis value in native 3DS units
- s16 accel_z; ///< Accelerometer Z-axis value in native 3DS units
-
- std::mutex gyro_mutex;
- s16 gyro_x; ///< Gyroscope X-axis value in native 3DS units
- s16 gyro_y; ///< Gyroscope Y-axis value in native 3DS units
- s16 gyro_z; ///< Gyroscope Z-axis value in native 3DS units
-
/**
* Clip the provided coordinates to be inside the touchscreen area.
*/
diff --git a/src/core/frontend/input.h b/src/core/frontend/input.h
index a8be49440..5916a901d 100644
--- a/src/core/frontend/input.h
+++ b/src/core/frontend/input.h
@@ -112,16 +112,15 @@ using AnalogDevice = InputDevice<std::tuple<float, float>>;
* A motion device is an input device that returns a tuple of accelerometer state vector and
* gyroscope state vector.
*
- * For accelerometer state vector:
+ * For both vectors:
* x+ is the same direction as LEFT on D-pad.
* y+ is normal to the touch screen, pointing outward.
* z+ is the same direction as UP on D-pad.
- * Units: measured in unit of gravitational acceleration
+ *
+ * For accelerometer state vector
+ * Units: g (gravitational acceleration)
*
* For gyroscope state vector:
- * x+ is the same direction as LEFT on D-pad.
- * y+ is normal to the touch screen, pointing outward.
- * z+ is the same direction as UP on D-pad.
* Orientation is determined by right-hand rule.
* Units: deg/sec
*/
diff --git a/src/core/frontend/motion_emu.cpp b/src/core/frontend/motion_emu.cpp
deleted file mode 100644
index 9a5b3185d..000000000
--- a/src/core/frontend/motion_emu.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/math_util.h"
-#include "common/quaternion.h"
-#include "core/frontend/emu_window.h"
-#include "core/frontend/motion_emu.h"
-
-namespace Motion {
-
-static constexpr int update_millisecond = 100;
-static constexpr auto update_duration =
- std::chrono::duration_cast<std::chrono::steady_clock::duration>(
- std::chrono::milliseconds(update_millisecond));
-
-MotionEmu::MotionEmu(EmuWindow& emu_window)
- : motion_emu_thread(&MotionEmu::MotionEmuThread, this, std::ref(emu_window)) {}
-
-MotionEmu::~MotionEmu() {
- if (motion_emu_thread.joinable()) {
- shutdown_event.Set();
- motion_emu_thread.join();
- }
-}
-
-void MotionEmu::MotionEmuThread(EmuWindow& emu_window) {
- auto update_time = std::chrono::steady_clock::now();
- Math::Quaternion<float> q = MakeQuaternion(Math::Vec3<float>(), 0);
- Math::Quaternion<float> old_q;
-
- while (!shutdown_event.WaitUntil(update_time)) {
- update_time += update_duration;
- old_q = q;
-
- {
- std::lock_guard<std::mutex> guard(tilt_mutex);
-
- // Find the quaternion describing current 3DS tilting
- q = MakeQuaternion(Math::MakeVec(-tilt_direction.y, 0.0f, tilt_direction.x),
- tilt_angle);
- }
-
- auto inv_q = q.Inverse();
-
- // Set the gravity vector in world space
- auto gravity = Math::MakeVec(0.0f, -1.0f, 0.0f);
-
- // Find the angular rate vector in world space
- auto angular_rate = ((q - old_q) * inv_q).xyz * 2;
- angular_rate *= 1000 / update_millisecond / MathUtil::PI * 180;
-
- // Transform the two vectors from world space to 3DS space
- gravity = QuaternionRotate(inv_q, gravity);
- angular_rate = QuaternionRotate(inv_q, angular_rate);
-
- // Update the sensor state
- emu_window.AccelerometerChanged(gravity.x, gravity.y, gravity.z);
- emu_window.GyroscopeChanged(angular_rate.x, angular_rate.y, angular_rate.z);
- }
-}
-
-void MotionEmu::BeginTilt(int x, int y) {
- mouse_origin = Math::MakeVec(x, y);
- is_tilting = true;
-}
-
-void MotionEmu::Tilt(int x, int y) {
- constexpr float SENSITIVITY = 0.01f;
- auto mouse_move = Math::MakeVec(x, y) - mouse_origin;
- if (is_tilting) {
- std::lock_guard<std::mutex> guard(tilt_mutex);
- if (mouse_move.x == 0 && mouse_move.y == 0) {
- tilt_angle = 0;
- } else {
- tilt_direction = mouse_move.Cast<float>();
- tilt_angle = MathUtil::Clamp(tilt_direction.Normalize() * SENSITIVITY, 0.0f,
- MathUtil::PI * 0.5f);
- }
- }
-}
-
-void MotionEmu::EndTilt() {
- std::lock_guard<std::mutex> guard(tilt_mutex);
- tilt_angle = 0;
- is_tilting = false;
-}
-
-} // namespace Motion
diff --git a/src/input_common/CMakeLists.txt b/src/input_common/CMakeLists.txt
index e3e36ada7..92792a702 100644
--- a/src/input_common/CMakeLists.txt
+++ b/src/input_common/CMakeLists.txt
@@ -2,12 +2,14 @@ set(SRCS
analog_from_button.cpp
keyboard.cpp
main.cpp
+ motion_emu.cpp
)
set(HEADERS
analog_from_button.h
keyboard.h
main.h
+ motion_emu.h
)
if(SDL2_FOUND)
diff --git a/src/input_common/main.cpp b/src/input_common/main.cpp
index 699f41e6b..557353740 100644
--- a/src/input_common/main.cpp
+++ b/src/input_common/main.cpp
@@ -7,6 +7,7 @@
#include "input_common/analog_from_button.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
+#include "input_common/motion_emu.h"
#ifdef HAVE_SDL2
#include "input_common/sdl/sdl.h"
#endif
@@ -14,12 +15,16 @@
namespace InputCommon {
static std::shared_ptr<Keyboard> keyboard;
+static std::shared_ptr<MotionEmu> motion_emu;
void Init() {
- keyboard = std::make_shared<InputCommon::Keyboard>();
+ keyboard = std::make_shared<Keyboard>();
Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
- std::make_shared<InputCommon::AnalogFromButton>());
+ std::make_shared<AnalogFromButton>());
+ motion_emu = std::make_shared<MotionEmu>();
+ Input::RegisterFactory<Input::MotionDevice>("motion_emu", motion_emu);
+
#ifdef HAVE_SDL2
SDL::Init();
#endif
@@ -29,6 +34,8 @@ void Shutdown() {
Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
keyboard.reset();
Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
+ Input::UnregisterFactory<Input::MotionDevice>("motion_emu");
+ motion_emu.reset();
#ifdef HAVE_SDL2
SDL::Shutdown();
@@ -39,6 +46,10 @@ Keyboard* GetKeyboard() {
return keyboard.get();
}
+MotionEmu* GetMotionEmu() {
+ return motion_emu.get();
+}
+
std::string GenerateKeyboardParam(int key_code) {
Common::ParamPackage param{
{"engine", "keyboard"}, {"code", std::to_string(key_code)},
diff --git a/src/input_common/main.h b/src/input_common/main.h
index 140bbd014..74283f7c6 100644
--- a/src/input_common/main.h
+++ b/src/input_common/main.h
@@ -19,6 +19,11 @@ class Keyboard;
/// Gets the keyboard button device factory.
Keyboard* GetKeyboard();
+class MotionEmu;
+
+/// Gets the motion emulation factory.
+MotionEmu* GetMotionEmu();
+
/// Generates a serialized param package for creating a keyboard button device
std::string GenerateKeyboardParam(int key_code);
diff --git a/src/input_common/motion_emu.cpp b/src/input_common/motion_emu.cpp
new file mode 100644
index 000000000..65e80529d
--- /dev/null
+++ b/src/input_common/motion_emu.cpp
@@ -0,0 +1,159 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/math_util.h"
+#include "common/quaternion.h"
+#include "input_common/motion_emu.h"
+
+namespace InputCommon {
+
+// Implementation class of the motion emulation device
+class MotionEmuDevice {
+public:
+ MotionEmuDevice(int update_millisecond, float sensitivity)
+ : update_millisecond(update_millisecond),
+ update_duration(std::chrono::duration_cast<std::chrono::steady_clock::duration>(
+ std::chrono::milliseconds(update_millisecond))),
+ sensitivity(sensitivity), motion_emu_thread(&MotionEmuDevice::MotionEmuThread, this) {}
+
+ ~MotionEmuDevice() {
+ if (motion_emu_thread.joinable()) {
+ shutdown_event.Set();
+ motion_emu_thread.join();
+ }
+ }
+
+ void BeginTilt(int x, int y) {
+ mouse_origin = Math::MakeVec(x, y);
+ is_tilting = true;
+ }
+
+ void Tilt(int x, int y) {
+ auto mouse_move = Math::MakeVec(x, y) - mouse_origin;
+ if (is_tilting) {
+ std::lock_guard<std::mutex> guard(tilt_mutex);
+ if (mouse_move.x == 0 && mouse_move.y == 0) {
+ tilt_angle = 0;
+ } else {
+ tilt_direction = mouse_move.Cast<float>();
+ tilt_angle = MathUtil::Clamp(tilt_direction.Normalize() * sensitivity, 0.0f,
+ MathUtil::PI * 0.5f);
+ }
+ }
+ }
+
+ void EndTilt() {
+ std::lock_guard<std::mutex> guard(tilt_mutex);
+ tilt_angle = 0;
+ is_tilting = false;
+ }
+
+ std::tuple<Math::Vec3<float>, Math::Vec3<float>> GetStatus() {
+ std::lock_guard<std::mutex> guard(status_mutex);
+ return status;
+ }
+
+private:
+ const int update_millisecond;
+ const std::chrono::steady_clock::duration update_duration;
+ const float sensitivity;
+
+ Math::Vec2<int> mouse_origin;
+
+ std::mutex tilt_mutex;
+ Math::Vec2<float> tilt_direction;
+ float tilt_angle = 0;
+
+ bool is_tilting = false;
+
+ Common::Event shutdown_event;
+ std::thread motion_emu_thread;
+
+ std::tuple<Math::Vec3<float>, Math::Vec3<float>> status;
+ std::mutex status_mutex;
+
+ void MotionEmuThread() {
+ auto update_time = std::chrono::steady_clock::now();
+ Math::Quaternion<float> q = MakeQuaternion(Math::Vec3<float>(), 0);
+ Math::Quaternion<float> old_q;
+
+ while (!shutdown_event.WaitUntil(update_time)) {
+ update_time += update_duration;
+ old_q = q;
+
+ {
+ std::lock_guard<std::mutex> guard(tilt_mutex);
+
+ // Find the quaternion describing current 3DS tilting
+ q = MakeQuaternion(Math::MakeVec(-tilt_direction.y, 0.0f, tilt_direction.x),
+ tilt_angle);
+ }
+
+ auto inv_q = q.Inverse();
+
+ // Set the gravity vector in world space
+ auto gravity = Math::MakeVec(0.0f, -1.0f, 0.0f);
+
+ // Find the angular rate vector in world space
+ auto angular_rate = ((q - old_q) * inv_q).xyz * 2;
+ angular_rate *= 1000 / update_millisecond / MathUtil::PI * 180;
+
+ // Transform the two vectors from world space to 3DS space
+ gravity = QuaternionRotate(inv_q, gravity);
+ angular_rate = QuaternionRotate(inv_q, angular_rate);
+
+ // Update the sensor state
+ {
+ std::lock_guard<std::mutex> guard(status_mutex);
+ status = std::make_tuple(gravity, angular_rate);
+ }
+ }
+ }
+};
+
+// Interface wrapper held by input receiver as a unique_ptr. It holds the implementation class as
+// a shared_ptr, which is also observed by the factory class as a weak_ptr. In this way the factory
+// can forward all the inputs to the implementation only when it is valid.
+class MotionEmuDeviceWrapper : public Input::MotionDevice {
+public:
+ MotionEmuDeviceWrapper(int update_millisecond, float sensitivity) {
+ device = std::make_shared<MotionEmuDevice>(update_millisecond, sensitivity);
+ }
+
+ std::tuple<Math::Vec3<float>, Math::Vec3<float>> GetStatus() const {
+ return device->GetStatus();
+ }
+
+ std::shared_ptr<MotionEmuDevice> device;
+};
+
+std::unique_ptr<Input::MotionDevice> MotionEmu::Create(const Common::ParamPackage& params) {
+ int update_period = params.Get("update_period", 100);
+ float sensitivity = params.Get("sensitivity", 0.01f);
+ auto device_wrapper = std::make_unique<MotionEmuDeviceWrapper>(update_period, sensitivity);
+ // Previously created device is disconnected here. Having two motion devices for 3DS is not
+ // expected.
+ current_device = device_wrapper->device;
+ return std::move(device_wrapper);
+}
+
+void MotionEmu::BeginTilt(int x, int y) {
+ if (auto ptr = current_device.lock()) {
+ ptr->BeginTilt(x, y);
+ }
+}
+
+void MotionEmu::Tilt(int x, int y) {
+ if (auto ptr = current_device.lock()) {
+ ptr->Tilt(x, y);
+ }
+}
+
+void MotionEmu::EndTilt() {
+ if (auto ptr = current_device.lock()) {
+ ptr->EndTilt();
+ }
+}
+
+} // namespace InputCommon
diff --git a/src/core/frontend/motion_emu.h b/src/input_common/motion_emu.h
index 99d41a726..195fb69d2 100644
--- a/src/core/frontend/motion_emu.h
+++ b/src/input_common/motion_emu.h
@@ -1,19 +1,25 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/thread.h"
#include "common/vector_math.h"
+#include "core/frontend/input.h"
-class EmuWindow;
+namespace InputCommon {
-namespace Motion {
+class MotionEmuDevice;
-class MotionEmu final {
+class MotionEmu : public Input::Factory<Input::MotionDevice> {
public:
- MotionEmu(EmuWindow& emu_window);
- ~MotionEmu();
+ /**
+ * Creates a motion device emulated from mouse input
+ * @param params contains parameters for creating the device:
+ * - "update_period": update period in milliseconds
+ * - "sensitivity": the coefficient converting mouse movement to tilting angle
+ */
+ std::unique_ptr<Input::MotionDevice> Create(const Common::ParamPackage& params) override;
/**
* Signals that a motion sensor tilt has begun.
@@ -35,18 +41,7 @@ public:
void EndTilt();
private:
- Math::Vec2<int> mouse_origin;
-
- std::mutex tilt_mutex;
- Math::Vec2<float> tilt_direction;
- float tilt_angle = 0;
-
- bool is_tilting = false;
-
- Common::Event shutdown_event;
- std::thread motion_emu_thread;
-
- void MotionEmuThread(EmuWindow& emu_window);
+ std::weak_ptr<MotionEmuDevice> current_device;
};
-} // namespace Motion
+} // namespace InputCommon
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 11:06:12 +0000