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sprite.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 The ScummVM project
 *
 * The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
 *
 * 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.
 *
 * $Header: /cvsroot/scummvm/scummvm/saga/sprite.h,v 1.7 2004/10/27 21:32:28 aquadran Exp $
 *
 */

// Sprite management module private header file

#ifndef SAGA_SPRITE_H__
#define SAGA_SPRITE_H__

namespace Saga {

#define APPENDMAX 4

#define SPRITE_ZMAX  16
#define SPRITE_ZMASK 0x0F

#define DECODE_BUF_LEN 64000

struct SPRITELIST_ENTRY {
      int x_align;
      int y_align;
      int width;
      int height;

};

struct SPRITELIST_OFFSET {
      uint16 data_idx;
      size_t offset;
};

struct SPRITELIST {
      int append_count;
      int sprite_count;
      SPRITELIST_OFFSET *offset_list;
      int slist_rn;
      byte *sprite_data[APPENDMAX];
};


class Sprite {
 public:
      Sprite(SagaEngine *vm);
      ~Sprite(void);
      int loadList(int resource_num, SPRITELIST **sprite_list_p);
      int appendList(int resource_num, SPRITELIST *spritelist);
      int getListLen(SPRITELIST *spritelist);
      int freeSprite(SPRITELIST *spritelist);
      int draw(SURFACE *ds, SPRITELIST *sprite_list, int sprite_num, int spr_x, int spr_y);
      int drawOccluded(SURFACE *ds, SPRITELIST *sprite_list, int sprite_num, int spr_x, int spr_y);

 private:
      int decodeRLESprite(const byte *inbuf, size_t inbuf_len, byte *outbuf, size_t outbuf_len);

      SagaEngine *_vm;
      bool _initialized;
      RSCFILE_CONTEXT *_spriteContext;
      byte *_decodeBuf;
      size_t _decodeBufLen;
};

} // End of namespace Saga

#endif

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