From 188194908c2785bd1e03485941b9148777cdddd7 Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Mon, 7 Aug 2017 00:04:06 +0300
Subject: move MotionEmu from core/frontend to input_common as a InputDevice

---
 src/core/frontend/motion_emu.cpp | 89 ----------------------------------------
 1 file changed, 89 deletions(-)
 delete mode 100644 src/core/frontend/motion_emu.cpp

(limited to 'src/core/frontend/motion_emu.cpp')

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
-- 
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