server/random_maps/square_spiral.C

/*
 * static char *rcsid_map_c =
 *   "$Id$";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2001 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at crossfire-devel@real-time.com
*/


/* peterm@langmuir.eecs.berkeley.edu:  this function generates a random
snake-type layout.

input:  xsize, ysize;
output:  a char** array with # and . for closed and open respectively.

a char value of 0 represents a blank space:  a '#' is
a wall.

*/


#include <stdio.h>
#include <global.h>
#include <time.h>

#include <maze_gen.h>
#include <room_gen.h>
#include <random_map.h>
#include <sproto.h>
#include <rproto.h>


char **map_gen_onion(int xsize, int ysize, int option, int layers);


/* These are some helper functions which help with
   manipulating a centered onion and turning it into
   a square spiral */

/* this starts from within a centered onion layer (or between two layers),
   and looks up until it finds a wall, and then looks right until it
   finds a vertical wall, i.e., the corner.  It sets cx and cy to that.
   it also starts from cx and cy. */

void find_top_left_corner(char **maze,int *cx, int *cy) {

  (*cy)--;
  /* find the top wall. */
  while(maze[*cx][*cy]==0) (*cy)--;
  /* proceed right until a corner is detected */
  while(maze[*cx][*cy+1]==0) (*cx)++;
  
  /* cx and cy should now be the top-right corner of the onion layer */
}


char **make_square_spiral_layout(int xsize, int ysize,int options) {
  int i,j;
  int cx,cy;
  int tx,ty;

  /* generate and allocate a doorless, centered onion */
  char **maze = map_gen_onion(xsize,ysize,OPT_CENTERED | OPT_NO_DOORS,0);

  /* find the layout center.  */
  cx = 0; cy = 0;
  for(i=0;i<xsize;i++)
    for(j=0;j<ysize;j++) {
      if(maze[i][j]=='C' ) {
        cx = i; cy=j;
      }
    }
  tx = cx; ty = cy;
  while(1) {
    find_top_left_corner(maze,&tx,&ty);

    if(ty < 2 || tx < 2 || tx > xsize -2 || ty > ysize-2 ) break;
    make_wall(maze,tx,ty-1,1);  /* make a vertical wall with a door */

    maze[tx][ty-1]='#'; /* convert the door that make_wall puts here to a wall */
    maze[tx-1][ty]='D';/* make a doorway out of this layer */

    /* walk left until we find the top-left corner */
    while((tx>2) && maze[tx-1][ty]) tx--;

    make_wall(maze,tx-1,ty,0);     /* make a horizontal wall with a door */

    /* walk down until we find the bottom-left corner */
    while(((ty+1) < ysize) && maze[tx][ty+1] ) ty++;

    make_wall(maze,tx,ty+1,1);    /* make a vertical wall with a door */

    /* walk rightuntil we find the bottom-right corner */
    while(((tx + 1) < xsize) && maze[tx+1][ty]) tx++;
    
    make_wall(maze,tx+1,ty,0);   /* make a horizontal wall with a door */
    tx++;  /* set up for next layer. */
  }
      
  /* place the exits.  */

  if(RANDOM() %2) {
    maze[cx][cy]='>';
    maze[xsize-2][1]='<';
  }
  else {
    maze[cx][cy]='<';
    maze[xsize-2][1]='>';
  }
    
  return maze;
}


Revision:	1.1
Committed:	Sun Aug 13 17:16:03 2006 UTC (17 years, 9 months ago) by elmex
Content type:	text/plain
Branch:	MAIN
Log Message:	Made server compile with C++. Removed cfanim plugin and crossedit. C++ here we come.
#	User	Rev	Content
1	elmex	1.1	/*
2			* static char *rcsid_map_c =
3			* "$Id$";
4			*/
5
6			/*
7			CrossFire, A Multiplayer game for X-windows
8
9			Copyright (C) 2001 Mark Wedel & Crossfire Development Team
10			Copyright (C) 1992 Frank Tore Johansen
11
12			This program is free software; you can redistribute it and/or modify
13			it under the terms of the GNU General Public License as published by
14			the Free Software Foundation; either version 2 of the License, or
15			(at your option) any later version.
16
17			This program is distributed in the hope that it will be useful,
18			but WITHOUT ANY WARRANTY; without even the implied warranty of
19			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20			GNU General Public License for more details.
21
22			You should have received a copy of the GNU General Public License
23			along with this program; if not, write to the Free Software
24			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26			The authors can be reached via e-mail at crossfire-devel@real-time.com
27			*/
28
29
30			/* peterm@langmuir.eecs.berkeley.edu: this function generates a random
31			snake-type layout.
32
33			input: xsize, ysize;
34			output: a char** array with # and . for closed and open respectively.
35
36			a char value of 0 represents a blank space: a '#' is
37			a wall.
38
39			*/
40
41
42			#include <stdio.h>
43			#include <global.h>
44			#include <time.h>
45
46			#include <maze_gen.h>
47			#include <room_gen.h>
48			#include <random_map.h>
49			#include <sproto.h>
50			#include <rproto.h>
51
52
53			char **map_gen_onion(int xsize, int ysize, int option, int layers);
54
55
56			/* These are some helper functions which help with
57			manipulating a centered onion and turning it into
58			a square spiral */
59
60			/* this starts from within a centered onion layer (or between two layers),
61			and looks up until it finds a wall, and then looks right until it
62			finds a vertical wall, i.e., the corner. It sets cx and cy to that.
63			it also starts from cx and cy. */
64
65			void find_top_left_corner(char *maze,int cx, int *cy) {
66
67			(*cy)--;
68			/* find the top wall. */
69			while(maze[cx][cy]==0) (*cy)--;
70			/* proceed right until a corner is detected */
71			while(maze[cx][cy+1]==0) (*cx)++;
72
73			/* cx and cy should now be the top-right corner of the onion layer */
74			}
75
76
77			char **make_square_spiral_layout(int xsize, int ysize,int options) {
78			int i,j;
79			int cx,cy;
80			int tx,ty;
81
82			/* generate and allocate a doorless, centered onion */
83			char **maze = map_gen_onion(xsize,ysize,OPT_CENTERED \| OPT_NO_DOORS,0);
84
85			/* find the layout center. */
86			cx = 0; cy = 0;
87			for(i=0;i<xsize;i++)
88			for(j=0;j<ysize;j++) {
89			if(maze[i][j]=='C' ) {
90			cx = i; cy=j;
91			}
92			}
93			tx = cx; ty = cy;
94			while(1) {
95			find_top_left_corner(maze,&tx,&ty);
96
97			if(ty < 2 \|\| tx < 2 \|\| tx > xsize -2 \|\| ty > ysize-2 ) break;
98			make_wall(maze,tx,ty-1,1); /* make a vertical wall with a door */
99
100			maze[tx][ty-1]='#'; /* convert the door that make_wall puts here to a wall */
101			maze[tx-1][ty]='D';/* make a doorway out of this layer */
102
103			/* walk left until we find the top-left corner */
104			while((tx>2) && maze[tx-1][ty]) tx--;
105
106			make_wall(maze,tx-1,ty,0); /* make a horizontal wall with a door */
107
108			/* walk down until we find the bottom-left corner */
109			while(((ty+1) < ysize) && maze[tx][ty+1] ) ty++;
110
111			make_wall(maze,tx,ty+1,1); /* make a vertical wall with a door */
112
113			/* walk rightuntil we find the bottom-right corner */
114			while(((tx + 1) < xsize) && maze[tx+1][ty]) tx++;
115
116			make_wall(maze,tx+1,ty,0); /* make a horizontal wall with a door */
117			tx++; /* set up for next layer. */
118			}
119
120			/* place the exits. */
121
122			if(RANDOM() %2) {
123			maze[cx][cy]='>';
124			maze[xsize-2][1]='<';
125			}
126			else {
127			maze[cx][cy]='<';
128			maze[xsize-2][1]='>';
129			}
130
131			return maze;
132			}
133
134
135