/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     SmTouchPanelCamera.h
  
  Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc.  All rights reserved.
  
  These coded instructions, statements, and computer programs contain proprietary
  information of Nintendo and/or its licensed developers and are protected by
  national and international copyright laws. They may not be disclosed to third
  parties or copied or duplicated in any form, in whole or in part, without the
  prior written consent of Nintendo.
  
  The content herein is highly confidential and should be handled accordingly.
  
  $Revision: $
 *---------------------------------------------------------------------------*/
#ifndef SM_TOUCHPANEL_CAMERA_H_
#define SM_TOUCHPANEL_CAMERA_H_

#include <nw/os.h>
#include <nw/gfx.h>
#include "../include/SmMessage.h"
#include "../include/SmCamera.h"
#include "../include/SmButton.h"
#include "../include/SmRectCollision.h"

//------------------------------------------------------------------------------
// タッチパネルカメラクラス
class SmTouchPanelCamera : public SmMessage
{
    enum
    {
        SM_TOUCH_PANEL_CAMERA_SLIDER = 0
    };

public:
    // コンストラクタ
    SmTouchPanelCamera( SmCamera* smcamera );

    // デストラクタ
    ~SmTouchPanelCamera(){}

    // メッセージ受信
    virtual bool ReceveMessage( SmMessageType type, void* object, uint targetId );

    // 描画
    virtual void Render();

    // 有効/無効
    virtual void SetEnable( bool enable )
    {
        SmMessage::SetEnable( enable );
        
        // m_Camera の状態を引き継ぐ
         if ( GetEnable() )
        {
            // カメラ視点
            m_SmCamera->GetPosition( &m_CameraPos );

            // カメラ注視点
            m_SmCamera->GetTarget( &m_CameraTarget );

            // カメラ向き
            m_CameraToward.x = m_CameraTarget.x - m_CameraPos.x;
            m_CameraToward.y = m_CameraTarget.y - m_CameraPos.y;
            m_CameraToward.z = m_CameraTarget.z - m_CameraPos.z;
            m_CameraToward.Normalize();

            // 左右首振り値も初期化
            m_DegX = m_DegY = 0.f;
        }
    }

private:
    void calcCamera();
    void updateCamera();

private:
    SmCamera*           m_SmCamera;

    nw::math::VEC3      m_CameraPos;
    nw::math::VEC3      m_CameraTarget;
    nw::math::VEC3      m_CameraToward; // 向き

    SmRectCollision     m_Collision;

    bool                m_IsGrab;

    s32                 m_TouchPanelPosLastX;
    s32                 m_TouchPanelPosLastY;
    s32                 m_TouchPanelPosX;
    s32                 m_TouchPanelPosY;
    f32                 m_DegX;
    f32                 m_DegY;
};


#endif  // SM_TOUCHPANEL_CAMERA_H_