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Visibility.h

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * 可視フラグヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef VISIBILITY_H_
00026 #define VISIBILITY_H_
00027 
00028 namespace Lamp{
00029 
00030 //------------------------------------------------------------------------------
00031 /**
00032  * 可視フラグ
00033  */
00034 class Visibility{
00035 public:
00036     //--------------------------------------------------------------------------
00037     /// 見えない
00038     static const Visibility invisible;
00039 
00040     /// 解らない
00041     static const Visibility understand;
00042 
00043     /// 見える
00044     static const Visibility visible;
00045 
00046     //--------------------------------------------------------------------------
00047     /**
00048      * コンストラクタ
00049      */
00050     Visibility() : flag_(visibleValue){}
00051 
00052     /**
00053      * コピーコンストラクタ
00054      * @param copy コピー元オブジェクト
00055      */
00056     inline Visibility(const Visibility& copy) : flag_(copy.flag_){}
00057 
00058     /**
00059      * 代入コピー
00060      * @param copy コピー元オブジェクト
00061      */
00062     inline void operator =(const Visibility& copy){ flag_ = copy.flag_; }
00063 
00064     //--------------------------------------------------------------------------
00065     /**
00066      * 同じかどうか
00067      * @param target 比較対象
00068      * @return 同じ値であればtrueを返す
00069      */
00070     inline bool operator ==(const Visibility& target) const{
00071         return (flag_ == target.flag_);
00072     }
00073 
00074     /**
00075      * 同じでないかどうか
00076      * @param target 比較対象
00077      * @return 同じでない値であればtrueを返す
00078      */
00079     inline bool operator !=(const Visibility& target) const{
00080         return (flag_ != target.flag_);
00081     }
00082 
00083     //--------------------------------------------------------------------------
00084 
00085 private:
00086     // コンストラクタ
00087     Visibility(char flag){ flag_ = flag; }
00088 
00089     // フラグ
00090     char flag_;
00091     // 見えないの値
00092     static const char invisibleValue = 0;
00093     // 解らないの値
00094     static const char understandValue = 1;
00095     // 見えるの値
00096     static const char visibleValue = 3;
00097 };
00098 
00099 //------------------------------------------------------------------------------
00100 } // End of namespace Lamp
00101 #endif // End of VISIBILITY_H_
00102 //------------------------------------------------------------------------------

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