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scenery.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 Ivan Dubrov
 * Copyright (C) 2004-2006 The ScummVM project
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/gob/scenery.h $
 * $Id: scenery.h 23079 2006-06-13 08:10:54Z drmccoy $
 *
 */
#ifndef GOB_SCENERY_H
#define GOB_SCENERY_H

namespace Gob {

class Scenery {
public:
#pragma START_PACK_STRUCTS
      struct PieceDesc {
            int16 left;       //NOTE:
            int16 right;            //These are stored in Little Endian format
            int16 top;        //And should be converted by client code when accessed
            int16 bottom;           //i.e. use FROM_LE_16()
      } GCC_PACK;

      struct StaticPlane {
            int8 pictIndex;
            int8 pieceIndex;
            int8 drawOrder;
            int16 destX;
            int16 destY;
            int8 transp;
      } GCC_PACK;

      struct StaticLayer {
            int16 backResId;
            int16 planeCount;
            StaticPlane *planes;
      } GCC_PACK;

      // Animations

      struct AnimFramePiece {
            byte pictIndex;
            byte pieceIndex;
            int8 destX;
            int8 destY;
            int8 notFinal;
      } GCC_PACK;

      struct AnimLayer {
            int16 unknown0;
            int16 posX;
            int16 posY;
            int16 animDeltaX;
            int16 animDeltaY;
            int8 transp;
            int16 framesCount;
            AnimFramePiece *frames;
      } GCC_PACK;
#pragma END_PACK_STRUCTS

      struct Static {
            int16 layersCount;
            StaticLayer *layers;
            PieceDesc **pieces;
            int8 *piecesFromExt;
            Static() : layersCount(0), layers(0), pieces(0),
                           piecesFromExt(0) {}
      };

      struct Animation {
            int16 layersCount;
            AnimLayer *layers;
            PieceDesc **pieces;
            int8 *piecesFromExt;
            Animation() : layersCount(0), layers(0), pieces(0),
                                piecesFromExt(0) {}
      };

      // Global variables

      char _spriteRefs[20];
      int16 _spriteResId[20];

      char _staticPictToSprite[70];
      int16 _staticPictCount[10];
      Static _statics[10];
      int16 _staticResId[10];

      char _animPictToSprite[70];
      int16 _animPictCount[10];
      Animation _animations[10];
      int16 _animResId[10];

      int16 _curStatic;
      int16 _curStaticLayer;

      int16 _toRedrawLeft;
      int16 _toRedrawRight;
      int16 _toRedrawTop;
      int16 _toRedrawBottom;

      int16 _animTop;
      int16 _animLeft;
      int16 _animBottom;
      int16 _animRight;

      int16 *_pCaptureCounter;

      // Functions

      int16 loadStatic(char search);
      void freeStatic(int16 index);
      void renderStatic(int16 scenery, int16 layer);
      void updateStatic(int16 orderFrom);
      int16 loadAnim(char search);
      void freeAnim(int16 animation);
      void interStoreParams(void);

      virtual void updateAnim(int16 layer, int16 frame, int16 animation,
                  int16 flags, int16 drawDeltaX, int16 drawDeltaY, char doDraw) = 0;

      Scenery(GobEngine *vm);
      virtual ~Scenery() {};

protected:
      GobEngine *_vm;
};

class Scenery_v1 : public Scenery {
public:
      virtual void updateAnim(int16 layer, int16 frame, int16 animation,
                  int16 flags, int16 drawDeltaX, int16 drawDeltaY, char doDraw);

      Scenery_v1(GobEngine *vm);
      virtual ~Scenery_v1() {};
};

class Scenery_v2 : public Scenery_v1 {
public:
      virtual void updateAnim(int16 layer, int16 frame, int16 animation,
                  int16 flags, int16 drawDeltaX, int16 drawDeltaY, char doDraw);

      Scenery_v2(GobEngine *vm);
      virtual ~Scenery_v2() {};
};

}                       // End of namespace Gob

#endif      /* __SCENERY_H */

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