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/* ScummVM - Graphic Adventure Engine
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 * 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
 * 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://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-1-0/engines/agi/sprite.h $
 * $Id: sprite.h 46942 2010-01-03 20:15:44Z sev $

#ifndef AGI_SPRITE_H
#define AGI_SPRITE_H

namespace Agi {

struct Sprite;
typedef Common::List<Sprite*> SpriteList;

class AgiEngine;
class GfxMgr;
class Obejcts;

class SpritesMgr {
      GfxMgr *_gfx;
      AgiEngine *_vm;

      uint8 *_spritePool;
      uint8 *_poolTop;

      // Sprite management functions

      SpriteList _sprUpd;
      SpriteList _sprNonupd;

      void *poolAlloc(int size);
      void poolRelease(void *s);
      void blitPixel(uint8 *p, uint8 *end, uint8 col, int spr, int width, int *hidden);
      int blitCel(int x, int y, int spr, ViewCel *c, bool agi256_2);
      void objsSaveArea(Sprite *s);
      void objsRestoreArea(Sprite *s);

      int prioToY(int p);
      Sprite *newSprite(VtEntry *v);
      void sprAddlist(SpriteList &l, VtEntry *v);
      void buildList(SpriteList &l, bool (*test)(VtEntry *, AgiEngine *));
      void buildUpdBlitlist();
      void buildNonupdBlitlist();
      void freeList(SpriteList &l);
      void commitSprites(SpriteList &l);
      void eraseSprites(SpriteList &l);
      void blitSprites(SpriteList &l);
      static bool testUpdating(VtEntry *v, AgiEngine *);
      static bool testNotUpdating(VtEntry *v, AgiEngine *);

      SpritesMgr(AgiEngine *agi, GfxMgr *gfx);

      int initSprites();
      void deinitSprites();
      void eraseUpdSprites();
      void eraseNonupdSprites();
      void eraseBoth();
      void blitUpdSprites();
      void blitNonupdSprites();
      void blitBoth();
      void commitUpdSprites();
      void commitNonupdSprites();
      void commitBoth();
      void addToPic(int, int, int, int, int, int, int);
      void showObj(int);
      void commitBlock(int, int, int, int);

} // End of namespace Agi

#endif /* AGI_SPRITE_H */

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