tile.h

/***************************************************************************
                           tile.h
                           -------------------
    begin                : 2004-04-18
    copyright            : (C) 2004-2005 by Michael Menne
    email                : menne@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 ***************************************************************************/

#ifndef TILE_H
#define TILE_H

#include "global.h"

namespace WDS
{

// Forward declarations
class CTexture;
class CGLCanvas;


enum
{
    RACE_MENSCH=0,      // Menschen
    RACE_ELF,           // Elfen
    RACE_ZWERG,         // Zwerge
    RACE_ORK,           // Orks
    RACE_NUMOF
};

enum
{
    PATH_NONE=0,
    PATH_OPEN,
    PATH_CLOSE,
    PATH_ACTIVE
};

class CTile
{
public:
    CTile();
    ~CTile();

    static void Init();     // Läd alle benötigten Graphiken
    static void Shut();     // Löscht alle geladenen Graphiken

    void Draw( Rect &rcTile, bool bFOW );
    void DrawOverlay( Rect &rcTile );

    void SetFrame   ( int nID );
    void SetTerrain ( int nID, int nBorder );
    void SetFogOfWar( int nFOW );
    void SetBuilding( int nID );
    void SetBorder  ( int nID );
    void SetUnit    ( int nID );
    void SetStreet  ( int nID );
    void Reset      ( );

    bool  IsStreet() { return (m_nStreet > 0 ); }

    float   GetWeigth( );

    // Variablen
    char  m_Parent, m_State, m_nTerrain1;           //  3 Byte
    BYTE  m_nTerrain2;                              //  1 Byte
    short m_nBuilding;                              //  2 Byte
    BYTE  m_nFrame  : 4;                            //  4 Bit
    BYTE  m_nBorder : 4;                            //  4 Bit
    BYTE  m_nStreet : 4;                            //  4 Bit
    BYTE  m_nUnit   : 4;                            //  4 Bit
    BYTE  m_nFOW    : 1;                            //  1 Bit => 1 Byte

    float m_CostF,  m_CostG;                        //  8 Byte
                                                    // -------
                                                    // 15 Byte => 16 Byte pro Tile

protected:
    void DrawTile( Rect &rcTile, CTexture *pTex );

    static CGLCanvas* GetGLCanvas();

    // Statische Felder fuer die geladenen Graphiken
    static bool m_bLoaded;
    static CTexture *m_pTerrains[9][241];
    static CTexture *m_pFrames[8];
    static CTexture *m_pBuildings[500];
    static CTexture *m_pStreets[15];
    static CTexture *m_pBorders[15];
    static CTexture *m_pUnits[RACE_NUMOF];
};

}

#endif // TILE_H

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