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Diffstat (limited to 'engines/sky/grid.h')
-rw-r--r-- | engines/sky/grid.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/engines/sky/grid.h b/engines/sky/grid.h new file mode 100644 index 0000000000..7c2ba557c0 --- /dev/null +++ b/engines/sky/grid.h @@ -0,0 +1,68 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003-2006 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef SKYGRID_H +#define SKYGRID_H + +#include "common/stdafx.h" +#include "common/scummsys.h" +#include "skydefs.h" + +namespace Sky { + +struct Compact; +class Disk; +class SkyCompact; + +class Grid { +public: + Grid(Disk *pDisk, SkyCompact *skyCompact); + ~Grid(void); + + // grid.asm routines + void loadGrids(void); + void removeObjectFromWalk(Compact *cpt); + void objectToWalk(Compact *cpt); + + // function.asm + // note that this routine does the same as objectToWalk, it just doesn't get + // its x, y, width parameters from cpt. + void plotGrid(uint32 x, uint32 y, uint32 width, Compact *cpt); + // same here, it's basically the same as removeObjectFromWalk + void removeGrid(uint32 x, uint32 y, uint32 width, Compact *cpt); + uint8 *giveGrid(uint32 pScreen); + +private: + void objectToWalk(uint8 gridIdx, uint32 bitNum, uint32 width); + void removeObjectFromWalk(uint8 gridIdx, uint32 bitNum, uint32 width); + bool getGridValues(Compact *cpt, uint8 *resGrid, uint32 *resBitNum, uint32 *resWidth); + bool getGridValues(uint32 x, uint32 y, uint32 width, Compact *cpt, uint8 *resGrid, uint32 *resBitNum, uint32 *resWidth); + + static int8 _gridConvertTable[]; + uint8 *_gameGrids[TOT_NO_GRIDS]; + Disk *_skyDisk; + SkyCompact *_skyCompact; +}; + +} // End of namespace Sky + +#endif //SKYGRID_H |