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def.rm.h revision 1.2 
      1 /*
      2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
      3  *
      4  *	$Id: def.rm.h,v 1.2 1993/08/02 17:16:53 mycroft Exp $
      5  */
      6 
      7 /* Level location types */
      8 #define	HWALL 1
      9 #define	VWALL 2
     10 #define	SDOOR 3
     11 #define	SCORR 4
     12 #define	LDOOR 5
     13 #define	POOL	6	/* not yet fully implemented */
     14 			/* this should in fact be a bit like lit */
     15 #define	DOOR 7
     16 #define	CORR 8
     17 #define	ROOM 9
     18 #define	STAIRS 10
     19 
     20 /*
     21  * Avoid using the level types in inequalities:
     22  *  these types are subject to change.
     23  * Instead, use one of the macros below.
     24  */
     25 #define	IS_WALL(typ)	((typ) <= VWALL)
     26 #define IS_ROCK(typ)	((typ) < POOL)		/* absolutely nonaccessible */
     27 #define	ACCESSIBLE(typ)	((typ) >= DOOR)			/* good position */
     28 #define	IS_ROOM(typ)		((typ) >= ROOM)		/* ROOM or STAIRS */
     29 #define	ZAP_POS(typ)		((typ) > DOOR)
     30 
     31 /*
     32  * A few of the associated symbols are not hardwired.
     33  */
     34 #ifdef QUEST
     35 #define	CORR_SYM	':'
     36 #else
     37 #define	CORR_SYM	'#'
     38 #endif QUEST
     39 #define	POOL_SYM	'}'
     40 
     41 #define	ERRCHAR	'{'
     42 
     43 /*
     44  * The structure describing a coordinate position.
     45  * Before adding fields, remember that this will significantly affect
     46  * the size of temporary files and save files.
     47  */
     48 struct rm {
     49 	char scrsym;
     50 	unsigned typ:5;
     51 	unsigned new:1;
     52 	unsigned seen:1;
     53 	unsigned lit:1;
     54 };
     55 extern struct rm levl[COLNO][ROWNO];
     56