Add support for models that use Cubism 2.1 style parameter IDs

[mouse-tracker-for-cubism.git] / example / demo.patch

diff -pruN --exclude build ./demo_clean/CMakeLists.txt ./demo_dev/CMakeLists.txt
--- ./demo_clean/CMakeLists.txt	2020-10-01 22:47:25.846828066 +0100
+++ ./demo_dev/CMakeLists.txt	2021-01-01 15:54:33.576439332 +0000
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.16)
 # Set app name.
 set(APP_NAME Demo)
 # Set directory paths.
-set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../..)
+set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../CubismSdkForNative-4-r.1)
 set(CORE_PATH ${SDK_ROOT_PATH}/Core)
 set(FRAMEWORK_PATH ${SDK_ROOT_PATH}/Framework)
 set(THIRD_PARTY_PATH ${SDK_ROOT_PATH}/Samples/OpenGL/thirdParty)
@@ -32,7 +32,7 @@ set(GLFW_INSTALL OFF CACHE BOOL "" FORCE
 set(BUILD_UTILS OFF CACHE BOOL "" FORCE)
 
 # Specify version of compiler.
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
@@ -64,6 +64,11 @@ target_link_libraries(Framework Live2DCu
 # Find opengl libraries.
 find_package(OpenGL REQUIRED)
 
+# Add MouseTrackerForCubism
+find_package(PkgConfig)
+pkg_check_modules(GTKMM gtkmm-3.0)
+add_subdirectory(../.. MouseTrackerForCubism_build)
+
 # Make executable app.
 add_executable(${APP_NAME})
 # Add source files.
@@ -73,9 +78,20 @@ target_link_libraries(${APP_NAME}
   Framework
   glfw
   ${OPENGL_LIBRARIES}
+  MouseTrackerForCubism
+  stdc++fs
 )
 # Specify include directories.
-target_include_directories(${APP_NAME} PRIVATE ${STB_PATH})
+target_include_directories(${APP_NAME} PRIVATE ${STB_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/../../include ${GTKMM_INCLUDE_DIRS})
+
+# Copy GUI to build directory
+add_custom_command(
+  TARGET ${APP_NAME}
+  POST_BUILD
+  COMMAND
+    ${CMAKE_COMMAND} -E
+      copy ${CMAKE_CURRENT_SOURCE_DIR}/../../src/gui.glade $<TARGET_FILE_DIR:${APP_NAME}>/gui.glade
+)
 
 # Copy resource directory to build directory.
 add_custom_command(
diff -pruN --exclude build ./demo_clean/scripts/make_gcc ./demo_dev/scripts/make_gcc
--- ./demo_clean/scripts/make_gcc	2020-10-01 22:47:25.854827921 +0100
+++ ./demo_dev/scripts/make_gcc	2021-01-01 11:34:25.583684883 +0000
@@ -10,4 +10,4 @@ BUILD_PATH=$SCRIPT_PATH/../build/make_gc
 cmake -S "$CMAKE_PATH" \
   -B "$BUILD_PATH" \
   -D CMAKE_BUILD_TYPE=Release
-cd "$BUILD_PATH" && make
+cd "$BUILD_PATH" && make -j4
diff -pruN --exclude build ./demo_clean/src/CMakeLists.txt ./demo_dev/src/CMakeLists.txt
--- ./demo_clean/src/CMakeLists.txt	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/CMakeLists.txt	2020-10-01 22:47:24.842846271 +0100
@@ -19,6 +19,4 @@ target_sources(${APP_NAME}
     ${CMAKE_CURRENT_SOURCE_DIR}/LAppView.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/LAppView.hpp
     ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/TouchManager.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/TouchManager.hpp
 )
diff -pruN --exclude build ./demo_clean/src/LAppDefine.cpp ./demo_dev/src/LAppDefine.cpp
--- ./demo_clean/src/LAppDefine.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppDefine.cpp	2020-10-18 04:59:13.238452938 +0100
@@ -61,11 +61,11 @@ namespace LAppDefine {
     const csmInt32 PriorityForce = 3;
 
     // デバッグ用ログの表示オプション
-    const csmBool DebugLogEnable = true;
+    const csmBool DebugLogEnable = false;
     const csmBool DebugTouchLogEnable = false;
 
     // Frameworkから出力するログのレベル設定
-    const CubismFramework::Option::LogLevel CubismLoggingLevel = CubismFramework::Option::LogLevel_Verbose;
+    const CubismFramework::Option::LogLevel CubismLoggingLevel = CubismFramework::Option::LogLevel_Warning;
 
     // デフォルトのレンダーターゲットサイズ
     const csmInt32 RenderTargetWidth = 1900;
diff -pruN --exclude build ./demo_clean/src/LAppDelegate.cpp ./demo_dev/src/LAppDelegate.cpp
--- ./demo_clean/src/LAppDelegate.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppDelegate.cpp	2020-10-01 22:47:24.698848890 +0100
@@ -45,7 +45,8 @@ void LAppDelegate::ReleaseInstance()
     s_instance = NULL;
 }
 
-bool LAppDelegate::Initialize()
+bool LAppDelegate::Initialize(int initWindowWidth, int initWindowHeight,
+                              const char *windowTitle)
 {
     if (DebugLogEnable)
     {
@@ -63,7 +64,13 @@ bool LAppDelegate::Initialize()
     }
 
     // Windowの生成_
-    _window = glfwCreateWindow(RenderTargetWidth, RenderTargetHeight, "SAMPLE", NULL, NULL);
+    _window = glfwCreateWindow(
+        initWindowWidth ? initWindowWidth : RenderTargetWidth,
+        initWindowHeight ? initWindowHeight : RenderTargetHeight,
+        windowTitle ? windowTitle : "SAMPLE",
+        NULL,
+        NULL);
+
     if (_window == NULL)
     {
         if (DebugLogEnable)
@@ -95,10 +102,6 @@ bool LAppDelegate::Initialize()
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-    //コールバック関数の登録
-    glfwSetMouseButtonCallback(_window, EventHandler::OnMouseCallBack);
-    glfwSetCursorPosCallback(_window, EventHandler::OnMouseCallBack);
-
     // ウィンドウサイズ記憶
     int width, height;
     glfwGetWindowSize(LAppDelegate::GetInstance()->GetWindow(), &width, &height);
@@ -111,8 +114,6 @@ bool LAppDelegate::Initialize()
     // Cubism3の初期化
     InitializeCubism();
 
-    SetRootDirectory();
-
     //load model
     LAppLive2DManager::GetInstance();
 
@@ -214,49 +215,6 @@ void LAppDelegate::InitializeCubism()
     LAppPal::UpdateTime();
 }
 
-void LAppDelegate::OnMouseCallBack(GLFWwindow* window, int button, int action, int modify)
-{
-    if (_view == NULL)
-    {
-        return;
-    }
-    if (GLFW_MOUSE_BUTTON_LEFT != button)
-    {
-        return;
-    }
-
-    if (GLFW_PRESS == action)
-    {
-        _captured = true;
-        _view->OnTouchesBegan(_mouseX, _mouseY);
-    }
-    else if (GLFW_RELEASE == action)
-    {
-        if (_captured)
-        {
-            _captured = false;
-            _view->OnTouchesEnded(_mouseX, _mouseY);
-        }
-    }
-}
-
-void LAppDelegate::OnMouseCallBack(GLFWwindow* window, double x, double y)
-{
-    _mouseX = static_cast<float>(x);
-    _mouseY = static_cast<float>(y);
-
-    if (!_captured)
-    {
-        return;
-    }
-    if (_view == NULL)
-    {
-        return;
-    }
-
-    _view->OnTouchesMoved(_mouseX, _mouseY);
-}
-
 GLuint LAppDelegate::CreateShader()
 {
     //バーテックスシェーダのコンパイル
@@ -299,29 +257,9 @@ GLuint LAppDelegate::CreateShader()
     return programId;
 }
 
-void LAppDelegate::SetRootDirectory()
+void LAppDelegate::SetRootDirectory(std::string rootDir)
 {
-    char path[1024];
-    ssize_t len = readlink("/proc/self/exe", path, 1024 - 1);
-
-    if (len != -1)
-    {
-        path[len] = '\0';
-    }
-
-    std::string pathString(path);
-
-    pathString = pathString.substr(0, pathString.rfind("Demo"));
-    Csm::csmVector<string> splitStrings = this->Split(pathString, '/');
-
-    this->_rootDirectory = "";
-
-    for(int i = 0; i < splitStrings.GetSize(); i++)
-    {
-        this->_rootDirectory = this->_rootDirectory + "/" +splitStrings[i];
-    }
-
-    this->_rootDirectory += "/";
+    this->_rootDirectory = rootDir + "/";
 }
 
 Csm::csmVector<string> LAppDelegate::Split(const std::string& baseString, char delimiter)
diff -pruN --exclude build ./demo_clean/src/LAppDelegate.hpp ./demo_dev/src/LAppDelegate.hpp
--- ./demo_clean/src/LAppDelegate.hpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppDelegate.hpp	2020-10-01 22:47:24.842846271 +0100
@@ -40,7 +40,8 @@ public:
     /**
     * @brief   APPに必要なものを初期化する。
     */
-    bool Initialize();
+    bool Initialize(int initWindowWidth = 0, int initWindowHeight = 0,
+                    const char *windowTitle = "SAMPLE");
 
     /**
     * @brief   解放する。
@@ -53,25 +54,6 @@ public:
     void Run();
 
     /**
-    * @brief   OpenGL用 glfwSetMouseButtonCallback用関数。
-    *
-    * @param[in]       window            コールバックを呼んだWindow情報
-    * @param[in]       button            ボタン種類
-    * @param[in]       action            実行結果
-    * @param[in]       modify
-    */
-    void OnMouseCallBack(GLFWwindow* window, int button, int action, int modify);
-
-    /**
-    * @brief   OpenGL用 glfwSetCursorPosCallback用関数。
-    *
-    * @param[in]       window            コールバックを呼んだWindow情報
-    * @param[in]       x                 x座標
-    * @param[in]       y                 x座標
-    */
-    void OnMouseCallBack(GLFWwindow* window, double x, double y);
-
-    /**
     * @brief シェーダーを登録する。
     */
     GLuint CreateShader();
@@ -98,8 +80,10 @@ public:
 
     /**
      * @brief   ルートディレクトリを設定する。
+     *
+     * @param[in] rootDir : The root directory to set to.
      */
-    void SetRootDirectory();
+    void SetRootDirectory(std::string rootDir);
 
     /**
      * @brief   ルートディレクトリを取得する。
@@ -146,24 +130,3 @@ private:
     int _windowWidth;                            ///< Initialize関数で設定したウィンドウ幅
     int _windowHeight;                           ///< Initialize関数で設定したウィンドウ高さ
 };
-
-class EventHandler
-{
-public:
-    /**
-    * @brief   glfwSetMouseButtonCallback用コールバック関数。
-    */
-    static void OnMouseCallBack(GLFWwindow* window, int button, int action, int modify)
-    {
-        LAppDelegate::GetInstance()->OnMouseCallBack(window, button, action, modify);
-    }
-
-    /**
-    * @brief   glfwSetCursorPosCallback用コールバック関数。
-    */
-    static void OnMouseCallBack(GLFWwindow* window, double x, double y)
-    {
-         LAppDelegate::GetInstance()->OnMouseCallBack(window, x, y);
-    }
-
-};
diff -pruN --exclude build ./demo_clean/src/LAppLive2DManager.cpp ./demo_dev/src/LAppLive2DManager.cpp
--- ./demo_clean/src/LAppLive2DManager.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppLive2DManager.cpp	2021-01-02 11:34:29.022662427 +0000
@@ -52,9 +52,10 @@ void LAppLive2DManager::ReleaseInstance(
 
 LAppLive2DManager::LAppLive2DManager()
     : _viewMatrix(NULL)
-    , _sceneIndex(0)
+    , _projScaleFactor(1.0f)
+    , _translateX(0.0f)
+    , _translateY(0.0f)
 {
-    ChangeScene(_sceneIndex);
 }
 
 LAppLive2DManager::~LAppLive2DManager()
@@ -98,26 +99,6 @@ void LAppLive2DManager::OnTap(csmFloat32
     {
         LAppPal::PrintLog("[APP]tap point: {x:%.2f y:%.2f}", x, y);
     }
-
-    for (csmUint32 i = 0; i < _models.GetSize(); i++)
-    {
-        if (_models[i]->HitTest(HitAreaNameHead, x, y))
-        {
-            if (DebugLogEnable)
-            {
-                LAppPal::PrintLog("[APP]hit area: [%s]", HitAreaNameHead);
-            }
-            _models[i]->SetRandomExpression();
-        }
-        else if (_models[i]->HitTest(HitAreaNameBody, x, y))
-        {
-            if (DebugLogEnable)
-            {
-                LAppPal::PrintLog("[APP]hit area: [%s]", HitAreaNameBody);
-            }
-            _models[i]->StartRandomMotion(MotionGroupTapBody, PriorityNormal, FinishedMotion);
-        }
-    }
 }
 
 void LAppLive2DManager::OnUpdate() const
@@ -125,7 +106,9 @@ void LAppLive2DManager::OnUpdate() const
     CubismMatrix44 projection;
     int width, height;
     glfwGetWindowSize(LAppDelegate::GetInstance()->GetWindow(), &width, &height);
-    projection.Scale(1.0f, static_cast<float>(width) / static_cast<float>(height));
+    projection.Scale(_projScaleFactor,
+                     _projScaleFactor * static_cast<float>(width) / static_cast<float>(height));
+    projection.Translate(_translateX, _translateY);
 
     if (_viewMatrix != NULL)
     {
@@ -148,30 +131,14 @@ void LAppLive2DManager::OnUpdate() const
     }
 }
 
-void LAppLive2DManager::NextScene()
-{
-    csmInt32 no = (_sceneIndex + 1) % ModelDirSize;
-    ChangeScene(no);
-}
-
-void LAppLive2DManager::ChangeScene(Csm::csmInt32 index)
+void LAppLive2DManager::SetModel(std::string modelName, bool useOldParamId)
 {
-    _sceneIndex = index;
-    if (DebugLogEnable)
-    {
-        LAppPal::PrintLog("[APP]model index: %d", _sceneIndex);
-    }
-
-    // ModelDir[]に保持したディレクトリ名から
-    // model3.jsonのパスを決定する.
-    // ディレクトリ名とmodel3.jsonの名前を一致させておくこと.
-    std::string model = ModelDir[index];
-    std::string modelPath = LAppDelegate::GetInstance()->GetRootDirectory() + ResourcesPath + model + "/";
-    std::string modelJsonName = ModelDir[index];
+    std::string modelPath = LAppDelegate::GetInstance()->GetRootDirectory() + ResourcesPath + modelName + "/";
+    std::string modelJsonName = modelName;
     modelJsonName += ".model3.json";
 
     ReleaseAllModel();
-    _models.PushBack(new LAppModel());
+    _models.PushBack(new LAppModel(useOldParamId));
     _models[0]->LoadAssets(modelPath.c_str(), modelJsonName.c_str());
 
     /*
@@ -193,7 +160,7 @@ void LAppLive2DManager::ChangeScene(Csm:
 
 #if defined(USE_RENDER_TARGET) || defined(USE_MODEL_RENDER_TARGET)
         // モデル個別にαを付けるサンプルとして、もう1体モデルを作成し、少し位置をずらす
-        _models.PushBack(new LAppModel());
+        _models.PushBack(new LAppModel(useOldParamId));
         _models[1]->LoadAssets(modelPath.c_str(), modelJsonName.c_str());
         _models[1]->GetModelMatrix()->TranslateX(0.2f);
 #endif
@@ -215,3 +182,20 @@ csmUint32 LAppLive2DManager::GetModelNum
 {
     return _models.GetSize();
 }
+
+void LAppLive2DManager::SetTracker(MouseCursorTracker *tracker)
+{
+    for (auto it = _models.Begin(); it != _models.End(); ++it)
+    {
+        (*it)->SetTracker(tracker);
+    }
+}
+
+void LAppLive2DManager::SetProjectionScaleTranslate(float scaleFactor,
+                                                    float translateX,
+                                                    float translateY)
+{
+    _projScaleFactor = scaleFactor;
+    _translateX = translateX;
+    _translateY = translateY;
+}
diff -pruN --exclude build ./demo_clean/src/LAppLive2DManager.hpp ./demo_dev/src/LAppLive2DManager.hpp
--- ./demo_clean/src/LAppLive2DManager.hpp	2020-10-01 22:47:25.846828066 +0100
+++ ./demo_dev/src/LAppLive2DManager.hpp	2021-01-02 11:29:57.666035355 +0000
@@ -6,12 +6,15 @@
  */
 #pragma once
 
+#include <string>
 #include <CubismFramework.hpp>
 #include <Math/CubismMatrix44.hpp>
 #include <Type/csmVector.hpp>
 
 class LAppModel;
 
+class MouseCursorTracker;
+
 /**
 * @brief サンプルアプリケーションにおいてCubismModelを管理するクラス<br>
 *         モデル生成と破棄、タップイベントの処理、モデル切り替えを行う。
@@ -72,16 +75,14 @@ public:
     void OnUpdate() const;
 
     /**
-    * @brief   次のシーンに切り替える<br>
-    *           サンプルアプリケーションではモデルセットの切り替えを行う。
-    */
-    void NextScene();
-
-    /**
-    * @brief   シーンを切り替える<br>
-    *           サンプルアプリケーションではモデルセットの切り替えを行う。
-    */
-    void ChangeScene(Csm::csmInt32 index);
+     * @brief Set model data
+     *
+     * @param[in] modelName : Name of model, should be the same for both
+     *                        the directory and the model3.json file
+     * @param[in] useOldParamId : If true, translate new (Cubism 3+)
+     *                            parameter IDs to old (Cubism 2.1) ones
+     */
+    void SetModel(std::string modelName, bool useOldParamId);
 
     /**
      * @brief   モデル個数を得る
@@ -89,6 +90,24 @@ public:
      */
     Csm::csmUint32 GetModelNum() const;
 
+    /**
+     * @brief Set the pointer to the MouseCursorTracker instance
+     *
+     * @param[in] tracker : Pointer to MouseCursorTracker instance
+     */
+    void SetTracker(MouseCursorTracker *tracker);
+
+    /**
+     * @brief Set projection scale factor and translation parameters
+     *
+     * @param[in] scaleFactor : Scale factor applied in both X and Y directions
+     * @param[in] translateX : Translation in X direction
+     * @param[in] translateY : Translation in Y direction
+     */
+    void SetProjectionScaleTranslate(float scaleFactor,
+                                     float translateX,
+                                     float translateY);
+
 private:
     /**
     * @brief  コンストラクタ
@@ -102,5 +121,8 @@ private:
 
     Csm::CubismMatrix44*        _viewMatrix; ///< モデル描画に用いるView行列
     Csm::csmVector<LAppModel*>  _models; ///< モデルインスタンスのコンテナ
-    Csm::csmInt32               _sceneIndex; ///< 表示するシーンのインデックス値
+
+    float _projScaleFactor;
+    float _translateX;
+    float _translateY;
 };
diff -pruN --exclude build ./demo_clean/src/LAppModel.cpp ./demo_dev/src/LAppModel.cpp
--- ./demo_clean/src/LAppModel.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppModel.cpp	2021-01-02 11:32:50.632989855 +0000
@@ -21,6 +21,10 @@
 #include "LAppTextureManager.hpp"
 #include "LAppDelegate.hpp"
 
+#include "mouse_cursor_tracker.h"
+
+#include <iostream>
+
 using namespace Live2D::Cubism::Framework;
 using namespace Live2D::Cubism::Framework::DefaultParameterId;
 using namespace LAppDefine;
@@ -45,22 +49,24 @@ namespace {
     }
 }
 
-LAppModel::LAppModel()
+LAppModel::LAppModel(bool useOldParamId)
     : CubismUserModel()
     , _modelSetting(NULL)
     , _userTimeSeconds(0.0f)
+    , _tracker(nullptr)
+    , _useOldParamId(useOldParamId)
 {
     if (DebugLogEnable)
     {
         _debugMode = true;
     }
 
-    _idParamAngleX = CubismFramework::GetIdManager()->GetId(ParamAngleX);
-    _idParamAngleY = CubismFramework::GetIdManager()->GetId(ParamAngleY);
-    _idParamAngleZ = CubismFramework::GetIdManager()->GetId(ParamAngleZ);
-    _idParamBodyAngleX = CubismFramework::GetIdManager()->GetId(ParamBodyAngleX);
-    _idParamEyeBallX = CubismFramework::GetIdManager()->GetId(ParamEyeBallX);
-    _idParamEyeBallY = CubismFramework::GetIdManager()->GetId(ParamEyeBallY);
+    _idParamAngleX = CubismFramework::GetIdManager()->GetId(_(ParamAngleX));
+    _idParamAngleY = CubismFramework::GetIdManager()->GetId(_(ParamAngleY));
+    _idParamAngleZ = CubismFramework::GetIdManager()->GetId(_(ParamAngleZ));
+    _idParamBodyAngleX = CubismFramework::GetIdManager()->GetId(_(ParamBodyAngleX));
+    _idParamEyeBallX = CubismFramework::GetIdManager()->GetId(_(ParamEyeBallX));
+    _idParamEyeBallY = CubismFramework::GetIdManager()->GetId(_(ParamEyeBallY));
 }
 
 LAppModel::~LAppModel()
@@ -190,7 +196,7 @@ void LAppModel::SetupModel(ICubismModelS
         breathParameters.PushBack(CubismBreath::BreathParameterData(_idParamAngleY, 0.0f, 8.0f, 3.5345f, 0.5f));
         breathParameters.PushBack(CubismBreath::BreathParameterData(_idParamAngleZ, 0.0f, 10.0f, 5.5345f, 0.5f));
         breathParameters.PushBack(CubismBreath::BreathParameterData(_idParamBodyAngleX, 0.0f, 4.0f, 15.5345f, 0.5f));
-        breathParameters.PushBack(CubismBreath::BreathParameterData(CubismFramework::GetIdManager()->GetId(ParamBreath), 0.5f, 0.5f, 3.2345f, 0.5f));
+        breathParameters.PushBack(CubismBreath::BreathParameterData(CubismFramework::GetIdManager()->GetId(_(ParamBreath)), 0.5f, 0.5f, 3.2345f, 0.5f));
 
         _breath->SetParameters(breathParameters);
     }
@@ -335,59 +341,110 @@ void LAppModel::Update()
     const csmFloat32 deltaTimeSeconds = LAppPal::GetDeltaTime();
     _userTimeSeconds += deltaTimeSeconds;
 
-    _dragManager->Update(deltaTimeSeconds);
-    _dragX = _dragManager->GetX();
-    _dragY = _dragManager->GetY();
-
-    // モーションによるパラメータ更新の有無
-    csmBool motionUpdated = false;
-
-    //-----------------------------------------------------------------
-    _model->LoadParameters(); // 前回セーブされた状態をロード
-    if (_motionManager->IsFinished())
-    {
-        // モーションの再生がない場合、待機モーションの中からランダムで再生する
-        StartRandomMotion(MotionGroupIdle, PriorityIdle);
-    }
-    else
+    if (_tracker)
     {
-        motionUpdated = _motionManager->UpdateMotion(_model, deltaTimeSeconds); // モーションを更新
-    }
-    _model->SaveParameters(); // 状態を保存
-    //-----------------------------------------------------------------
+        auto idMan = CubismFramework::GetIdManager();
+        auto params = _tracker->getParams();
 
-    // まばたき
-    if (!motionUpdated)
-    {
-        if (_eyeBlink != NULL)
+        _model->LoadParameters(); // 前回セーブされた状態をロード
+
+        int paramsMotionPriority = static_cast<int>(params.motionPriority);
+
+        if (paramsMotionPriority != PriorityNone)
         {
-            // メインモーションの更新がないとき
-            _eyeBlink->UpdateParameters(_model, deltaTimeSeconds); // 目パチ
+            StartMotion(params.motionGroup.c_str(), params.motionNumber,
+                        paramsMotionPriority);
+        }
+        else if (params.randomIdleMotion && _motionManager->IsFinished())
+        {
+            // モーションの再生がない場合、待機モーションの中からランダムで再生する
+            StartRandomMotion(MotionGroupIdle, PriorityIdle);
         }
-    }
 
-    if (_expressionManager != NULL)
-    {
-        _expressionManager->UpdateMotion(_model, deltaTimeSeconds); // 表情でパラメータ更新（相対変化）
-    }
+        // FIXME pose does not return to normal after motion
+        // if we don't have randomIdleMotion set
+        else
+        {
+            _motionManager->UpdateMotion(_model, deltaTimeSeconds); // モーションを更新
+        }
+        _model->SaveParameters(); // 状態を保存
 
-    //ドラッグによる変化
-    //ドラッグによる顔の向きの調整
-    _model->AddParameterValue(_idParamAngleX, _dragX * 30); // -30から30の値を加える
-    _model->AddParameterValue(_idParamAngleY, _dragY * 30);
-    _model->AddParameterValue(_idParamAngleZ, _dragX * _dragY * -30);
+        if (params.expression != "")
+        {
+            SetExpression(params.expression.c_str());
+        }
+        if (_expressionManager != NULL)
+        {
+            _expressionManager->UpdateMotion(_model, deltaTimeSeconds); // 表情でパラメータ更新（相対変化）
+        }
 
-    //ドラッグによる体の向きの調整
-    _model->AddParameterValue(_idParamBodyAngleX, _dragX * 10); // -10から10の値を加える
+        bool autoBlink = params.autoBlink && _eyeBlink;
+        auto eyeLOpenIt = params.live2d.find("ParamEyeLOpen");
+        auto eyeROpenIt = params.live2d.find("ParamEyeROpen");
 
-    //ドラッグによる目の向きの調整
-    _model->AddParameterValue(_idParamEyeBallX, _dragX); // -1から1の値を加える
-    _model->AddParameterValue(_idParamEyeBallY, _dragY);
+        if (autoBlink)
+        {
+            // Handle blink first
+            _eyeBlink->UpdateParameters(_model, deltaTimeSeconds);
+        }
 
-    // 呼吸など
-    if (_breath != NULL)
-    {
-        _breath->UpdateParameters(_model, deltaTimeSeconds);
+        if (eyeLOpenIt != params.live2d.end())
+        {
+            // If value specified, override blinking
+            _model->SetParameterValue(idMan->GetId(_("ParamEyeLOpen")),
+                                      eyeLOpenIt->second);
+        }
+        else if (!autoBlink)
+        {
+            // If no value specified and no auto blink, set to 1
+            _model->SetParameterValue(idMan->GetId(_("ParamEyeLOpen")), 1);
+
+        }
+
+        if (eyeROpenIt != params.live2d.end())
+        {
+            _model->SetParameterValue(idMan->GetId(_("ParamEyeROpen")),
+                                      eyeROpenIt->second);
+        }
+        else if (!autoBlink)
+        {
+            _model->SetParameterValue(idMan->GetId(_("ParamEyeROpen")), 1);
+        }
+
+
+        if (params.useLipSync && _lipSync)
+        {
+            csmFloat32 value = params.lipSyncParam; // 0 to 1
+
+            for (csmUint32 i = 0; i < _lipSyncIds.GetSize(); ++i)
+            {
+                _model->AddParameterValue(_lipSyncIds[i], value, 0.8f);
+            }
+        }
+        else
+        {
+            _model->SetParameterValue(idMan->GetId(_("ParamMouthOpenY")),
+                                      params.live2d["ParamMouthOpenY"]);
+        }
+
+        for (auto const &entry : params.live2d)
+        {
+            std::string key = entry.first;
+            double val = entry.second;
+
+            if (key != "ParamEyeLOpen" && key != "ParamEyeROpen" &&
+                key != "ParamMouthOpenY")
+            {
+                _model->SetParameterValue(idMan->GetId(_(key)), val);
+            }
+        }
+
+        if (params.autoBreath && _breath)
+        {
+            // Note: _model->LoadParameters and SaveParameters is needed
+            // before - see above.
+            _breath->UpdateParameters(_model, deltaTimeSeconds);
+        }
     }
 
     // 物理演算の設定
@@ -396,17 +453,6 @@ void LAppModel::Update()
         _physics->Evaluate(_model, deltaTimeSeconds);
     }
 
-    // リップシンクの設定
-    if (_lipSync)
-    {
-        csmFloat32 value = 0; // リアルタイムでリップシンクを行う場合、システムから音量を取得して0〜1の範囲で値を入力します。
-
-        for (csmUint32 i = 0; i < _lipSyncIds.GetSize(); ++i)
-        {
-            _model->AddParameterValue(_lipSyncIds[i], value, 0.8f);
-        }
-    }
-
     // ポーズの設定
     if (_pose != NULL)
     {
@@ -626,3 +672,42 @@ Csm::Rendering::CubismOffscreenFrame_Ope
 {
     return _renderBuffer;
 }
+
+void LAppModel::SetTracker(MouseCursorTracker *tracker)
+{
+    _tracker = tracker;
+}
+
+Csm::ICubismModelSetting* LAppModel::GetModelSetting(void) const
+{
+    return _modelSetting;
+}
+
+Csm::csmString LAppModel::_(std::string s)
+{
+    std::string ans;
+    if (_useOldParamId)
+    {
+        if (s == "ParamTere")
+        {
+            ans = "PARAM_CHEEK";
+        }
+        else
+        {
+            for (size_t i = 0; i < s.size(); i++)
+            {
+                if (std::isupper(s[i]) && i != 0)
+                {
+                    ans += '_';
+                }
+                ans += std::toupper(s[i]);
+            }
+        }
+    }
+    else
+    {
+        ans = s;
+    }
+    return csmString(ans.c_str());
+}
+
diff -pruN --exclude build ./demo_clean/src/LAppModel.hpp ./demo_dev/src/LAppModel.hpp
--- ./demo_clean/src/LAppModel.hpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppModel.hpp	2021-01-02 11:33:23.417547739 +0000
@@ -13,6 +13,7 @@
 #include <Type/csmRectF.hpp>
 #include <Rendering/OpenGL/CubismOffscreenSurface_OpenGLES2.hpp>
 
+#include "mouse_cursor_tracker.h"
 
 /**
  * @brief ユーザーが実際に使用するモデルの実装クラス<br>
@@ -24,8 +25,11 @@ class LAppModel : public Csm::CubismUser
 public:
     /**
      * @brief コンストラクタ
+     *
+     * @param[in] useOldParamId : If true, translate new (Cubism 3+)
+     *                            parameter IDs to old (Cubism 2.1)  ones
      */
-    LAppModel();
+    LAppModel(bool useOldParamId);
 
     /**
      * @brief デストラクタ
@@ -113,6 +117,15 @@ public:
      */
     Csm::Rendering::CubismOffscreenFrame_OpenGLES2& GetRenderBuffer();
 
+    /**
+     * @brief Set the pointer to the MouseCursorTracker instance
+     *
+     * @param[in] tracker : Pointer to MouseCursorTracker instance
+     */
+    void SetTracker(MouseCursorTracker *tracker);
+
+    Csm::ICubismModelSetting* GetModelSetting(void) const;
+
 protected:
     /**
      *  @brief  モデルを描画する処理。モデルを描画する空間のView-Projection行列を渡す。
@@ -166,6 +179,17 @@ private:
     */
     void ReleaseExpressions();
 
+    /**
+     * @brief Translate new (Cubism 3+) parameter IDs to old (Cubism 2.1) ones
+     *
+     * @param[in] s : New parameter ID
+     *
+     * @return Old parameter ID
+     */
+    Csm::csmString _(std::string s);
+
+    bool _useOldParamId;
+
     Csm::ICubismModelSetting* _modelSetting; ///< モデルセッティング情報
     Csm::csmString _modelHomeDir; ///< モデルセッティングが置かれたディレクトリ
     Csm::csmFloat32 _userTimeSeconds; ///< デルタ時間の積算値[秒]
@@ -183,6 +207,8 @@ private:
     const Csm::CubismId* _idParamEyeBallY; ///< パラメータID: ParamEyeBallXY
 
     Csm::Rendering::CubismOffscreenFrame_OpenGLES2 _renderBuffer;   ///< フレームバッファ以外の描画先
+
+    MouseCursorTracker *_tracker;
 };
 
 
diff -pruN --exclude build ./demo_clean/src/LAppPal.cpp ./demo_dev/src/LAppPal.cpp
--- ./demo_clean/src/LAppPal.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppPal.cpp	2020-10-18 04:57:43.289600308 +0100
@@ -6,6 +6,7 @@
  */
 
 #include "LAppPal.hpp"
+#include <stdexcept>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -36,7 +37,6 @@ csmByte* LAppPal::LoadFileAsBytes(const
     if (stat(path, &statBuf) == 0)
     {
         size = statBuf.st_size;
-        PrintLog(path);
     }
 
     std::fstream file;
@@ -45,10 +45,7 @@ csmByte* LAppPal::LoadFileAsBytes(const
     file.open(path, std::ios::in | std::ios::binary);
     if (!file.is_open())
     {
-        if (DebugLogEnable)
-        {
-            PrintLog("file open error");
-        }
+        throw std::runtime_error("Failed to open file " + filePath);
         return NULL;
     }
     file.read(buf, size);
diff -pruN --exclude build ./demo_clean/src/LAppTextureManager.cpp ./demo_dev/src/LAppTextureManager.cpp
--- ./demo_clean/src/LAppTextureManager.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppTextureManager.cpp	2020-10-01 22:47:24.654849690 +0100
@@ -96,6 +96,46 @@ LAppTextureManager::TextureInfo* LAppTex
 
 }
 
+LAppTextureManager::TextureInfo* LAppTextureManager::CreateTextureFromColor(
+    uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha
+)
+{
+    int width = 8, height = 8;
+
+    uint8_t pixels[height][width][4];
+    for (std::size_t h = 0; h < height; h++)
+    {
+        for (std::size_t w = 0; w < width; w++)
+        {
+            pixels[h][w][0] = red;
+            pixels[h][w][1] = green;
+            pixels[h][w][2] = blue;
+            pixels[h][w][3] = alpha;
+        }
+    }
+
+    GLuint textureId;
+    glGenTextures(1, &textureId);
+    glBindTexture(GL_TEXTURE_2D, textureId);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+
+    glGenerateMipmap(GL_TEXTURE_2D);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+
+    LAppTextureManager::TextureInfo* textureInfo = new LAppTextureManager::TextureInfo();
+    textureInfo->fileName = "";
+    textureInfo->width = width;
+    textureInfo->height = height;
+    textureInfo->id = textureId;
+
+    _textures.PushBack(textureInfo);
+
+    return textureInfo;
+}
+
 void LAppTextureManager::ReleaseTextures()
 {
     for (Csm::csmUint32 i = 0; i < _textures.GetSize(); i++)
diff -pruN --exclude build ./demo_clean/src/LAppTextureManager.hpp ./demo_dev/src/LAppTextureManager.hpp
--- ./demo_clean/src/LAppTextureManager.hpp	2020-10-01 22:47:25.846828066 +0100
+++ ./demo_dev/src/LAppTextureManager.hpp	2020-10-01 22:47:24.786847290 +0100
@@ -72,6 +72,8 @@ public:
     */
     TextureInfo* CreateTextureFromPngFile(std::string fileName);
 
+    TextureInfo *CreateTextureFromColor(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha = 255);
+
     /**
     * @brief 画像の解放
     *
diff -pruN --exclude build ./demo_clean/src/LAppView.cpp ./demo_dev/src/LAppView.cpp
--- ./demo_clean/src/LAppView.cpp	2020-10-01 22:47:25.850827994 +0100
+++ ./demo_dev/src/LAppView.cpp	2020-10-01 22:47:24.602850636 +0100
@@ -13,7 +13,6 @@
 #include "LAppLive2DManager.hpp"
 #include "LAppTextureManager.hpp"
 #include "LAppDefine.hpp"
-#include "TouchManager.hpp"
 #include "LAppSprite.hpp"
 #include "LAppModel.hpp"
 
@@ -26,8 +25,6 @@ using namespace LAppDefine;
 LAppView::LAppView():
     _programId(0),
     _back(NULL),
-    _gear(NULL),
-    _power(NULL),
     _renderSprite(NULL),
     _renderTarget(SelectTarget_None)
 {
@@ -35,8 +32,6 @@ LAppView::LAppView():
     _clearColor[1] = 1.0f;
     _clearColor[2] = 1.0f;
     _clearColor[3] = 0.0f;
-    // タッチ関係のイベント管理
-    _touchManager = new TouchManager();
 
     // デバイス座標からスクリーン座標に変換するための
     _deviceToScreen = new CubismMatrix44();
@@ -52,10 +47,7 @@ LAppView::~LAppView()
 
     delete _viewMatrix;
     delete _deviceToScreen;
-    delete _touchManager;
     delete _back;
-    delete _gear;
-    delete _power;
 }
 
 void LAppView::Initialize()
@@ -97,9 +89,6 @@ void LAppView::Initialize()
 void LAppView::Render()
 {
     _back->Render();
-    _gear->Render();
-    _power->Render();
-
 
     LAppLive2DManager* Live2DManager = LAppLive2DManager::GetInstance();
 
@@ -139,35 +128,17 @@ void LAppView::InitializeSprite()
     glfwGetWindowSize(LAppDelegate::GetInstance()->GetWindow(), &width, &height);
 
     LAppTextureManager* textureManager = LAppDelegate::GetInstance()->GetTextureManager();
-    const string resourcesPath = LAppDelegate::GetInstance()->GetRootDirectory() + ResourcesPath;
 
-    string imageName = BackImageName;
-    LAppTextureManager::TextureInfo* backgroundTexture = textureManager->CreateTextureFromPngFile(resourcesPath + imageName);
+
+    LAppTextureManager::TextureInfo* backgroundTexture =
+        textureManager->CreateTextureFromColor(0, 255, 0);
 
     float x = width * 0.5f;
     float y = height * 0.5f;
-    float fWidth = static_cast<float>(backgroundTexture->width * 2.0f);
-    float fHeight = static_cast<float>(height) * 0.95f;
+    float fWidth = static_cast<float>(width);
+    float fHeight = static_cast<float>(height);
     _back = new LAppSprite(x, y, fWidth, fHeight, backgroundTexture->id, _programId);
 
-    imageName = GearImageName;
-    LAppTextureManager::TextureInfo* gearTexture = textureManager->CreateTextureFromPngFile(resourcesPath + imageName);
-
-    x = static_cast<float>(width - gearTexture->width * 0.5f);
-    y = static_cast<float>(height - gearTexture->height * 0.5f);
-    fWidth = static_cast<float>(gearTexture->width);
-    fHeight = static_cast<float>(gearTexture->height);
-    _gear = new LAppSprite(x, y, fWidth, fHeight, gearTexture->id, _programId);
-
-    imageName = PowerImageName;
-    LAppTextureManager::TextureInfo* powerTexture = textureManager->CreateTextureFromPngFile(resourcesPath + imageName);
-
-    x = static_cast<float>(width - powerTexture->width * 0.5f);
-    y = static_cast<float>(powerTexture->height * 0.5f);
-    fWidth = static_cast<float>(powerTexture->width);
-    fHeight = static_cast<float>(powerTexture->height);
-    _power = new LAppSprite(x, y, fWidth, fHeight, powerTexture->id, _programId);
-
     // 画面全体を覆うサイズ
     x = width * 0.5f;
     y = height * 0.5f;
@@ -175,52 +146,6 @@ void LAppView::InitializeSprite()
 
 }
 
-void LAppView::OnTouchesBegan(float px, float py) const
-{
-    _touchManager->TouchesBegan(px, py);
-}
-
-void LAppView::OnTouchesMoved(float px, float py) const
-{
-    float viewX = this->TransformViewX(_touchManager->GetX());
-    float viewY = this->TransformViewY(_touchManager->GetY());
-
-    _touchManager->TouchesMoved(px, py);
-
-    LAppLive2DManager* Live2DManager = LAppLive2DManager::GetInstance();
-    Live2DManager->OnDrag(viewX, viewY);
-}
-
-void LAppView::OnTouchesEnded(float px, float py) const
-{
-    // タッチ終了
-    LAppLive2DManager* live2DManager = LAppLive2DManager::GetInstance();
-    live2DManager->OnDrag(0.0f, 0.0f);
-    {
-
-        // シングルタップ
-        float x = _deviceToScreen->TransformX(_touchManager->GetX()); // 論理座標変換した座標を取得。
-        float y = _deviceToScreen->TransformY(_touchManager->GetY()); // 論理座標変換した座標を取得。
-        if (DebugTouchLogEnable)
-        {
-            LAppPal::PrintLog("[APP]touchesEnded x:%.2f y:%.2f", x, y);
-        }
-        live2DManager->OnTap(x, y);
-
-        // 歯車にタップしたか
-        if (_gear->IsHit(px, py))
-        {
-            live2DManager->NextScene();
-        }
-
-        // 電源ボタンにタップしたか
-        if (_power->IsHit(px, py))
-        {
-            LAppDelegate::GetInstance()->AppEnd();
-        }
-    }
-}
-
 float LAppView::TransformViewX(float deviceX) const
 {
     float screenX = _deviceToScreen->TransformX(deviceX); // 論理座標変換した座標を取得。
@@ -362,32 +287,4 @@ void LAppView::ResizeSprite()
             _back->ResetRect(x, y, fWidth, fHeight);
         }
     }
-
-    if (_power)
-    {
-        GLuint id = _power->GetTextureId();
-        LAppTextureManager::TextureInfo* texInfo = textureManager->GetTextureInfoById(id);
-        if (texInfo)
-        {
-            x = static_cast<float>(width - texInfo->width * 0.5f);
-            y = static_cast<float>(texInfo->height * 0.5f);
-            fWidth = static_cast<float>(texInfo->width);
-            fHeight = static_cast<float>(texInfo->height);
-            _power->ResetRect(x, y, fWidth, fHeight);
-        }
-    }
-
-    if (_gear)
-    {
-        GLuint id = _gear->GetTextureId();
-        LAppTextureManager::TextureInfo* texInfo = textureManager->GetTextureInfoById(id);
-        if (texInfo)
-        {
-            x = static_cast<float>(width - texInfo->width * 0.5f);
-            y = static_cast<float>(height - texInfo->height * 0.5f);
-            fWidth = static_cast<float>(texInfo->width);
-            fHeight = static_cast<float>(texInfo->height);
-            _gear->ResetRect(x, y, fWidth, fHeight);
-        }
-    }
 }
diff -pruN --exclude build ./demo_clean/src/LAppView.hpp ./demo_dev/src/LAppView.hpp
--- ./demo_clean/src/LAppView.hpp	2020-10-01 22:47:25.846828066 +0100
+++ ./demo_dev/src/LAppView.hpp	2020-10-01 22:47:24.802846999 +0100
@@ -14,7 +14,6 @@
 #include "CubismFramework.hpp"
 #include <Rendering/OpenGL/CubismOffscreenSurface_OpenGLES2.hpp>
 
-class TouchManager;
 class LAppSprite;
 class LAppModel;
 
@@ -66,30 +65,6 @@ public:
     void ResizeSprite();
 
     /**
-    * @brief タッチされたときに呼ばれる。
-    *
-    * @param[in]       pointX            スクリーンX座標
-    * @param[in]       pointY            スクリーンY座標
-    */
-    void OnTouchesBegan(float pointX, float pointY) const;
-
-    /**
-    * @brief タッチしているときにポインタが動いたら呼ばれる。
-    *
-    * @param[in]       pointX            スクリーンX座標
-    * @param[in]       pointY            スクリーンY座標
-    */
-    void OnTouchesMoved(float pointX, float pointY) const;
-
-    /**
-    * @brief タッチが終了したら呼ばれる。
-    *
-    * @param[in]       pointX            スクリーンX座標
-    * @param[in]       pointY            スクリーンY座標
-    */
-    void OnTouchesEnded(float pointX, float pointY) const;
-
-    /**
     * @brief X座標をView座標に変換する。
     *
     * @param[in]       deviceX            デバイスX座標
@@ -147,13 +122,10 @@ public:
     void SetRenderTargetClearColor(float r, float g, float b);
 
 private:
-    TouchManager* _touchManager;                 ///< タッチマネージャー
     Csm::CubismMatrix44* _deviceToScreen;    ///< デバイスからスクリーンへの行列
     Csm::CubismViewMatrix* _viewMatrix;      ///< viewMatrix
     GLuint _programId;                       ///< シェーダID
     LAppSprite* _back;                       ///< 背景画像
-    LAppSprite* _gear;                       ///< ギア画像
-    LAppSprite* _power;                      ///< 電源画像
 
     // レンダリング先を別ターゲットにする方式の場合に使用
     LAppSprite* _renderSprite;                                  ///< モードによっては_renderBufferのテクスチャを描画
diff -pruN --exclude build ./demo_clean/src/main.cpp ./demo_dev/src/main.cpp
--- ./demo_clean/src/main.cpp	2020-10-01 22:47:25.846828066 +0100
+++ ./demo_dev/src/main.cpp	2021-01-02 11:41:01.033288228 +0000
@@ -5,18 +5,188 @@
  * that can be found at https://www.live2d.com/eula/live2d-open-software-license-agreement_en.html.
  */
 
+#include <thread>
+#include <stdexcept>
+#include <sstream>
+#include <vector>
+#include <utility>
+#include <string>
+
+#ifdef __cpp_lib_filesystem
+#include <filesystem>
+namespace fs = std::filesystem;
+#else
+#include <experimental/filesystem>
+namespace fs = std::experimental::filesystem;
+#endif
+
+#include "ICubismModelSetting.hpp"
 #include "LAppDelegate.hpp"
+#include "LAppLive2DManager.hpp"
+#include "LAppModel.hpp"
+#include "mouse_cursor_tracker.h"
+
+struct CmdArgs
+{
+    int windowWidth;
+    int windowHeight;
+    std::string windowTitle;
+    std::string rootDir;
+    float scaleFactor;
+    float translateX;
+    float translateY;
+    std::string modelName;
+    bool oldId; // If true, translate new (Cubism 3+) parameter IDs to old (Cubism 2.1) IDs
+    std::string cfgPath; // Path to config file for MouseCursorTracker
+};
+
+CmdArgs parseArgv(int argc, char *argv[])
+{
+    // I think the command-line args are simple enough to not justify using a library...
+    CmdArgs cmdArgs;
+    // Set default values
+    cmdArgs.windowWidth = 600;
+    cmdArgs.windowHeight = 600;
+    cmdArgs.windowTitle = "MouseTrackerForCubism example";
+    cmdArgs.rootDir = fs::current_path();
+    cmdArgs.scaleFactor = 8.0f;
+    cmdArgs.translateX = 0.0f;
+    cmdArgs.translateY = -2.8f;
+    cmdArgs.modelName = "Haru";
+    cmdArgs.oldId = false;
+    cmdArgs.cfgPath = "";
+
+    int i = 1;
+    while (i < argc)
+    {
+        std::string arg = argv[i];
+        std::stringstream ss;
+
+        if (arg == "--window-width" || arg == "-W") // capital W for consistency with height
+        {
+            ss << argv[i + 1];
+            if (!(ss >> cmdArgs.windowWidth))
+            {
+                throw std::runtime_error("Invalid argument for window width");
+            }
+        }
+        else if (arg == "--window-height" || arg == "-H") // avoiding "-h", typically for help
+        {
+            ss << argv[i + 1];
+            if (!(ss >> cmdArgs.windowHeight))
+            {
+                throw std::runtime_error("Invalid argument for window height");
+            }
+        }
+        else if (arg == "--window-title" || arg == "-t")
+        {
+            cmdArgs.windowTitle = argv[i + 1];
+        }
+        else if (arg == "--root-dir" || arg == "-d")
+        {
+            cmdArgs.rootDir = argv[i + 1];
+        }
+        else if (arg == "--scale-factor" || arg == "-f")
+        {
+            ss << argv[i + 1];
+            if (!(ss >> cmdArgs.scaleFactor))
+            {
+                throw std::runtime_error("Invalid argument for scale factor");
+            }
+        }
+        else if (arg == "--translate-x" || arg == "-x")
+        {
+            ss << argv[i + 1];
+            if (!(ss >> cmdArgs.translateX))
+            {
+                throw std::runtime_error("Invalid argument for translate X");
+            }
+        }
+        else if (arg == "--translate-y" || arg == "-y")
+        {
+            ss << argv[i + 1];
+            if (!(ss >> cmdArgs.translateY))
+            {
+                throw std::runtime_error("Invalid argument for translate Y");
+            }
+        }
+        else if (arg == "--model" || arg == "-m")
+        {
+            cmdArgs.modelName = argv[i + 1];
+        }
+        else if (arg == "--config" || arg == "-c")
+        {
+            cmdArgs.cfgPath = argv[i + 1];
+        }
+        else if (arg == "--old-param-id" || arg == "-o")
+        {
+            cmdArgs.oldId = (argv[i + 1][0] == '1');
+        }
+        else
+        {
+            throw std::runtime_error("Unrecognized argument: " + arg);
+        }
+
+        i += 2;
+    }
+
+    return cmdArgs;
+}
 
 int main(int argc, char* argv[])
 {
-    // create the application instance
-    if (LAppDelegate::GetInstance()->Initialize() == GL_FALSE)
+    auto cmdArgs = parseArgv(argc, argv);
+
+    LAppDelegate *delegate = LAppDelegate::GetInstance();
+
+    if (!delegate->Initialize(cmdArgs.windowWidth,
+                              cmdArgs.windowHeight,
+                              cmdArgs.windowTitle.c_str()))
     {
-        return 1;
+        throw std::runtime_error("Unable to initialize LAppDelegate");
     }
 
-    LAppDelegate::GetInstance()->Run();
+    delegate->SetRootDirectory(cmdArgs.rootDir);
+
+    LAppLive2DManager *manager = LAppLive2DManager::GetInstance();
+    manager->SetModel(cmdArgs.modelName, cmdArgs.oldId);
+
+    manager->SetProjectionScaleTranslate(cmdArgs.scaleFactor,
+                                         cmdArgs.translateX,
+                                         cmdArgs.translateY);
+
+    LAppModel *model = manager->GetModel(0);
+    if (!model) throw std::runtime_error("model is null");
+
+    Live2D::Cubism::Framework::ICubismModelSetting *modelSetting = model->GetModelSetting();
+    if (!modelSetting) throw std::runtime_error("modelSetting is null");
+
+    std::vector<std::pair<std::string, int> > motions;
+    int motionGroupCount = modelSetting->GetMotionGroupCount();
+    for (int i = 0; i < motionGroupCount; i++)
+    {
+        const char *motionGroup = modelSetting->GetMotionGroupName(i);
+        int motionCount = modelSetting->GetMotionCount(motionGroup);
+        motions.push_back(std::make_pair(std::string(motionGroup), motionCount));
+    }
+
+    std::vector<std::string> expressions;
+    int expCount = modelSetting->GetExpressionCount();
+    for (int i = 0; i < expCount; i++)
+    {
+        const char *expName = modelSetting->GetExpressionName(i);
+        expressions.push_back(std::string(expName));
+    }
+
+    MouseCursorTracker tracker(cmdArgs.cfgPath, motions, expressions);
+
+    std::thread trackerThread(&MouseCursorTracker::mainLoop, &tracker);
+    manager->SetTracker(&tracker);
+
+    delegate->Run();
+
+    tracker.stop();
+    trackerThread.join();
 
     return 0;
 }
-