1 /**************************************************************************
2 * tilecache.h -- routines to hancle scenery tile caching
4 * Written by Curtis Olson, started January 1998.
6 * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
38 #include <Scenery/bucketutils.h>
39 #include <Include/types.h>
42 #define FG_TILE_CACHE_SIZE 100 /* Must be > FG_LOCAL_X_Y */
45 /* Tile cache record */
47 struct fgBUCKET tile_bucket;
49 struct fgCartesianPoint local_ref;
54 extern struct fgTILE tile_cache[FG_TILE_CACHE_SIZE];
57 /* Initialize the tile cache subsystem */
58 void fgTileCacheInit( void );
60 /* Return index of next available slot in tile cache */
61 int fgTileCacheNextAvail( void );
63 /* Fill in a tile cache entry with real data for the specified bucket */
64 void fgTileCacheEntryFillIn( int index, struct fgBUCKET *p );
66 /* Return info for a tile cache entry */
67 void fgTileCacheEntryInfo( int index, GLint *display_list,
68 struct fgCartesianPoint *local_ref );
71 #endif /* _TILECACHE_H */
75 /* Revision 1.1 1998/01/24 00:03:29 curt