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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005 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.
*
* $Header$
*
*/
// 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, const Point &screenCoord, int scale);
int drawOccluded(SURFACE *ds, SPRITELIST *sprite_list, int sprite_num, const Point &screenCoord, int scale, int depth);
private:
int decodeRLESprite(const byte *inbuf, size_t inbuf_len, byte *outbuf, size_t outbuf_len);
void scaleSprite(byte *buf, int width, int height, int scale);
void scaleSpriteCoords(int scale, int *width, int *height, int *x_align, int *y_align);
SagaEngine *_vm;
bool _initialized;
RSCFILE_CONTEXT *_spriteContext;
byte *_decodeBuf;
size_t _decodeBufLen;
};
} // End of namespace Saga
#endif
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