1 /**************************************************************************
2 * tilecache.h -- routines to handle 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/fg_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;
55 extern struct fgTILE tile_cache[FG_TILE_CACHE_SIZE];
58 /* Initialize the tile cache subsystem */
59 void fgTileCacheInit( void );
61 /* Return index of next available slot in tile cache */
62 int fgTileCacheNextAvail( void );
64 /* Fill in a tile cache entry with real data for the specified bucket */
65 void fgTileCacheEntryFillIn( int index, struct fgBUCKET *p );
67 /* Return info for a tile cache entry */
68 void fgTileCacheEntryInfo( int index, GLint *display_list,
69 struct fgCartesianPoint *local_ref );
72 #endif /* _TILECACHE_H */
76 /* Revision 1.2 1998/01/27 00:48:04 curt
77 /* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
78 /* system and commandline/config file processing code.
80 * Revision 1.1 1998/01/24 00:03:29 curt