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/*  Copyright (c) 2010-2013  hkrn                                    */
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#pragma once
#ifndef VPVL2_RENDER_QT_UI_H_
#define VPVL2_RENDER_QT_UI_H_

#include <vpvl2/vpvl2.h>
#include <vpvl2/IEffect.h>
#include <vpvl2/extensions/BaseTimeIndexHolder.h>
#include <vpvl2/extensions/FPSCounter.h>
#include <vpvl2/extensions/icu4c/Encoding.h>
#include <vpvl2/extensions/icu4c/StringMap.h>
#include <vpvl2/qt/RenderContext.h>

#include <QBasicTimer>
#include <QGLWidget>
#include <QProgressDialog>
#include <QSettings>

namespace vpvl2
{
class Factory;
class Scene;

namespace extensions
{
class AudioSource;
namespace gl
{
class SimpleShadowMap;
}
}
namespace qt
{
class DebugDrawer;
class TextureDrawHelper;
}

namespace render
{
namespace qt
{

using namespace vpvl2::extensions;
using namespace vpvl2::qt;

class UI : public QGLWidget
{
public:
    UI(const QGLFormat &format);
    ~UI();

    void load(const QString &filename);
    void rotate(float x, float y);
    void translate(float x, float y);

protected:
    void closeEvent(QCloseEvent *event);
    void initializeGL();
    void timerEvent(QTimerEvent *event);
    void keyPressEvent(QKeyEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void wheelEvent(QWheelEvent *event);
    void resizeGL(int w, int h);
    void paintGL();

private:
    class TimeIndexHolder : public BaseTimeIndexHolder {
    public:
        TimeIndexHolder()
            : BaseTimeIndexHolder()
        {
        }
        ~TimeIndexHolder() {
        }
    private:
        void timerStart() {
            m_timer.start();
        }
        void timerReset() {
            m_timer.restart();
        }
        int64_t timerElapsed() const {
            return m_timer.elapsed();
        }
        QElapsedTimer m_timer;
    };

    void renderDepth();
    void renderWindow();
    void seekScene(const IKeyframe::TimeIndex &timeIndex, const IKeyframe::TimeIndex &delta);
    void setMousePositions(QMouseEvent *event);
    bool loadScene();
    IModel *createModelAsync(const QString &path);
    IMotion *createMotionAsync(const QString &path, IModel *model);
    IModel *addModel(const QString &path, QProgressDialog &dialog, int index, bool enableEffect);
    IMotion *addMotion(const QString &path, IModel *model);
    IMotion *loadMotion(const QString &path, IModel *model);

    QScopedPointer<QSettings> m_settings;
    QScopedPointer<World> m_world;
    QScopedPointer<RenderContext> m_renderContext;
    QScopedPointer<Scene> m_scene;
    QScopedPointer<Factory> m_factory;
    QScopedPointer<IEncoding> m_encoding;
    QScopedPointer<TextureDrawHelper> m_helper;
    QScopedPointer<DebugDrawer> m_drawer;
    QScopedPointer<AudioSource> m_audioSource;
    QBasicTimer m_updateTimer;
    QPoint m_prevPos;
    FPSCounter m_counter;
    TimeIndexHolder m_timeHolder;
    StringMap m_stringMapRef;
    Encoding::Dictionary m_dictionary;
    IKeyframe::TimeIndex m_manualTimeIndex;
    int m_debugFlags;
    bool m_automaticMotion;
};

} /* namespace qt */
} /* namespace render */
} /* namespace vpvl2 */

#endif
