boxes/src/shape.h
Thomas Jensen 4deed5e8f5 Added genshape(), freeshape(), and findshape() prototypes
Added on_side() prototype back again
Added isdeepempty() prototype
Changed first parameter of empty_side() prototype
1999-08-14 19:08:34 +00:00

97 lines
3.1 KiB
C

/*
* File: shape.h
* Project Main: boxes.c
* Date created: June 23, 1999 (Wednesday, 13:45h)
* Author: Copyright (C) 1999 Thomas Jensen
* tsjensen@stud.informatik.uni-erlangen.de
* Version: $Id: shape.h,v 1.3 1999/07/23 16:36:33 tsjensen Exp tsjensen $
* Language: ANSI C
* Purpose: Shape handling and information functions
*
* Remarks: o 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.
* o 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.
* o 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
*
* Revision History:
*
* $Log: shape.h,v $
* Revision 1.3 1999/07/23 16:36:33 tsjensen
* Added GNU GPL disclaimer
* Removed prototypes of iscorner(), on_side(), shapecmp(), both_on_side(),
* and shape_distance() - nobody was using those anyway.
*
* Revision 1.2 1999/06/25 18:52:59 tsjensen
* Added empty_side() prototype
*
* Revision 1.1 1999/06/23 12:27:06 tsjensen
* Initial revision
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
#ifndef SHAPE_H
#define SHAPE_H
typedef enum {
NW, NNW, N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW
} shape_t;
extern char *shape_name[];
#define ANZ_SHAPES 16
#define SHAPES_PER_SIDE 5
#define ANZ_SIDES 4
#define ANZ_CORNERS 4
extern shape_t north_side[SHAPES_PER_SIDE]; /* groups of shapes, clockwise */
extern shape_t east_side[SHAPES_PER_SIDE];
extern shape_t south_side[SHAPES_PER_SIDE];
extern shape_t west_side[SHAPES_PER_SIDE];
extern shape_t corners[ANZ_CORNERS];
extern shape_t *sides[ANZ_SIDES];
typedef struct {
char **chars;
size_t height;
size_t width;
int elastic; /* elastic is used only in orginial definition */
} sentry_t;
#define SENTRY_INITIALIZER (sentry_t) {NULL, 0, 0, 0}
int genshape (const size_t width, const size_t height, char ***chars);
void freeshape (sentry_t *shape);
shape_t findshape (const sentry_t *sarr, const int num);
int on_side (const shape_t s, const int idx);
int isempty (const sentry_t *shape);
int isdeepempty (const sentry_t *shape);
size_t highest (const sentry_t *sarr, const int n, ...);
size_t widest (const sentry_t *sarr, const int n, ...);
shape_t leftmost (const int aside, const int cnt);
int empty_side (sentry_t *sarr, const int aside);
#endif /*SHAPE_H*/
/*EOF*/ /* vim: set cindent sw=4: */