server/random_maps/wall.C


/*
 * static char *rcsid_wall_c =
 *   "$Id: wall.C,v 1.3 2006-09-03 00:18:42 root Exp $";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002 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
*/

#include <global.h>
#include <random_map.h>
#include <rproto.h>

/*  Put in the walls and autojoin them.  */


/* given a layout and a coordinate, tell me which squares up/down/right/left
        are occupied. */

int
surround_flag (char **layout, int i, int j, RMParms * RP)
{
  /* 1 = wall to left,
     2 = wall to right,
     4 = wall above
     8 = wall below */
  int surround_index = 0;

  if ((i > 0) && layout[i - 1][j] != 0)
    surround_index |= 1;
  if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0)
    surround_index |= 2;
  if ((j > 0) && layout[i][j - 1] != 0)
    surround_index |= 4;
  if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0)
    surround_index |= 8;
  return surround_index;
}


/* like surround_flag, but only walls count.
        */

int
surround_flag2 (char **layout, int i, int j, RMParms * RP)
{
  /* 1 = wall to left,
     2 = wall to right,
     4 = wall above
     8 = wall below */
  int surround_index = 0;

  if ((i > 0) && layout[i - 1][j] == '#')
    surround_index |= 1;
  if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#')
    surround_index |= 2;
  if ((j > 0) && layout[i][j - 1] == '#')
    surround_index |= 4;
  if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#')
    surround_index |= 8;
  return surround_index;
}


/* like surround_flag, except it checks  a map, not a layout.
 * Since this is part of the random map code, presumption
 * is that this is not a tiled map.
 * What is considered blocking and not is somewhat hard coded.
 */
int
surround_flag3 (mapstruct *map, sint16 i, sint16 j, RMParms * RP)
{
  /*
   * 1 =  blocked to left,
   * 2 = blocked to right,
   * 4 = blocked above
   * 8 = blocked below 
   */

  int surround_index = 0;

  if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & ~MOVE_BLOCK_DEFAULT))
    surround_index |= 1;
  if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & ~MOVE_BLOCK_DEFAULT))
    surround_index |= 2;
  if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & ~MOVE_BLOCK_DEFAULT))
    surround_index |= 4;
  if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & ~MOVE_BLOCK_DEFAULT))
    surround_index |= 8;

  return surround_index;
}

/* like surround_flag2, except it checks  a map, not a layout. */

int
surround_flag4 (mapstruct *map, int i, int j, RMParms * RP)
{
  /* 1 =  blocked to left,
     2 = blocked to right,
     4 = blocked above
     8 = blocked below */
  int surround_index = 0;

  if ((i > 0) && wall_blocked (map, i - 1, j))
    surround_index |= 1;
  if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j))
    surround_index |= 2;
  if ((j > 0) && wall_blocked (map, i, j - 1))
    surround_index |= 4;
  if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1))
    surround_index |= 8;

  return surround_index;
}

/* takes a map and a layout, and puts walls in the map (picked from
        w_style) at '#' marks. */

void
make_map_walls (mapstruct *map, char **layout, char *w_style, RMParms * RP)
{
  char styledirname[256];
  char stylefilepath[256];
  mapstruct *style_map = 0;
  object *the_wall;

  /* get the style map */
  if (!strcmp (w_style, "none"))
    return;
  sprintf (styledirname, "%s", "/styles/wallstyles");
  sprintf (stylefilepath, "%s/%s", styledirname, w_style);
  style_map = find_style (styledirname, w_style, -1);
  if (style_map == 0)
    return;

  /* fill up the map with the given floor style */
  if ((the_wall = pick_random_object (style_map)) != NULL)
    {
      int i, j;
      char *cp;
      int joinedwalls = 0;
      object *thiswall;

      sprintf (RP->wall_name, "%s", &the_wall->arch->name);
      if ((cp = strchr (RP->wall_name, '_')) != NULL)
        {
          *cp = 0;
          joinedwalls = 1;
        }

      for (i = 0; i < RP->Xsize; i++)
        for (j = 0; j < RP->Ysize; j++)
          {
            if (layout[i][j] == '#')
              {
                if (joinedwalls)
                  thiswall = pick_joined_wall (the_wall, layout, i, j, RP);
                else
                  thiswall = arch_to_object (the_wall->arch);
                thiswall->x = i;
                thiswall->y = j;
                thiswall->move_block = MOVE_ALL;
                insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE | INS_NO_WALK_ON);
              }
          }
    }
}


/* picks the right wall type for this square, to make it look nice,
        and have everything nicely joined.  It uses the layout.  */

object *
pick_joined_wall (object *the_wall, char **layout, int i, int j, RMParms * RP)
{
  /* 1 = wall to left,
     2 = wall to right,
     4 = wall above
     8 = wall below */
  int surround_index = 0;
  int l;
  char wall_name[64];
  archetype *wall_arch = 0;

  strcpy (wall_name, the_wall->arch->name);

  /* conventionally, walls are named like this:
     wallname_wallcode, where wallcode indicates
     a joinedness, and wallname is the wall.
     this code depends on the convention for
     finding the right wall. */

  /* extract the wall name, which is the text up to the leading _ */
  for (l = 0; l < 64; l++)
    {
      if (wall_name[l] == '_')
        {
          wall_name[l] = 0;
          break;
        }
    }

  surround_index = surround_flag2 (layout, i, j, RP);

  switch (surround_index)
    {
        case 0:
          strcat (wall_name, "_0");
          break;
        case 1:
          strcat (wall_name, "_1_3");
          break;
        case 2:
          strcat (wall_name, "_1_4");
          break;
        case 3:
          strcat (wall_name, "_2_1_2");
          break;
        case 4:
          strcat (wall_name, "_1_2");
          break;
        case 5:
          strcat (wall_name, "_2_2_4");
          break;
        case 6:
          strcat (wall_name, "_2_2_1");
          break;
        case 7:
          strcat (wall_name, "_3_1");
          break;
        case 8:
          strcat (wall_name, "_1_1");
          break;
        case 9:
          strcat (wall_name, "_2_2_3");
          break;
        case 10:
          strcat (wall_name, "_2_2_2");
          break;
        case 11:
          strcat (wall_name, "_3_3");
          break;
        case 12:
          strcat (wall_name, "_2_1_1");
          break;
        case 13:
          strcat (wall_name, "_3_4");
          break;
        case 14:
          strcat (wall_name, "_3_2");
          break;
        case 15:
          strcat (wall_name, "_4");
          break;
    }
  wall_arch = find_archetype (wall_name);
  if (wall_arch)
    return arch_to_object (wall_arch);
  else
    {
      nroferrors--;
      return arch_to_object (the_wall->arch);
    }


}


/* this takes a map, and changes an existing wall to match what's blocked
 * around it, counting only doors and walls as blocked.  If insert_flag is
 * 1, it will go ahead and insert the wall into the map.  If not, it
 * will only return the wall which would belong there, and doesn't
 * remove anything.  It depends on the
 * global, previously-set variable, "wall_name"  
 */

object *
retrofit_joined_wall (mapstruct *the_map, int i, int j, int insert_flag, RMParms * RP)
{
  /* 1 = wall to left,
   * 2 = wall to right,
   * 4 = wall above
   * 8 = wall below 
   */
  int surround_index = 0;
  int l;
  object *the_wall = 0;
  object *new_wall = 0;
  archetype *wall_arch = 0;

  /* first find the wall */
  for (the_wall = get_map_ob (the_map, i, j); the_wall != NULL; the_wall = the_wall->above)
    if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER)
      break;


  /* if what we found is a door, don't remove it, set the_wall to NULL to
   * signal that later. 
   */
  if (the_wall && (the_wall->type == DOOR || the_wall->type == LOCKED_DOOR))
    {
      the_wall = NULL;
      /* if we're not supposed to insert a new wall where there wasn't one, 
       * we've gotta leave. 
       */
      if (insert_flag == 0)
        return 0;
    }
  else if (the_wall == NULL)
    return NULL;

  /* canonicalize the wall name */
  for (l = 0; l < 64; l++)
    {
      if (RP->wall_name[l] == '_')
        {
          RP->wall_name[l] = 0;
          break;
        }
    }

  surround_index = surround_flag4 (the_map, i, j, RP);
  /* This would be a lot cleaner to just us a lookup table,
   * eg, wall_suffix[surround_index]
   */
  switch (surround_index)
    {
        case 0:
          strcat (RP->wall_name, "_0");
          break;
        case 1:
          strcat (RP->wall_name, "_1_3");
          break;
        case 2:
          strcat (RP->wall_name, "_1_4");
          break;
        case 3:
          strcat (RP->wall_name, "_2_1_2");
          break;
        case 4:
          strcat (RP->wall_name, "_1_2");
          break;
        case 5:
          strcat (RP->wall_name, "_2_2_4");
          break;
        case 6:
          strcat (RP->wall_name, "_2_2_1");
          break;
        case 7:
          strcat (RP->wall_name, "_3_1");
          break;
        case 8:
          strcat (RP->wall_name, "_1_1");
          break;
        case 9:
          strcat (RP->wall_name, "_2_2_3");
          break;
        case 10:
          strcat (RP->wall_name, "_2_2_2");
          break;
        case 11:
          strcat (RP->wall_name, "_3_3");
          break;
        case 12:
          strcat (RP->wall_name, "_2_1_1");
          break;
        case 13:
          strcat (RP->wall_name, "_3_4");
          break;
        case 14:
          strcat (RP->wall_name, "_3_2");
          break;
        case 15:
          strcat (RP->wall_name, "_4");
          break;
    }
  wall_arch = find_archetype (RP->wall_name);
  if (wall_arch != NULL)
    {
      new_wall = arch_to_object (wall_arch);
      new_wall->x = i;
      new_wall->y = j;
      if (the_wall && the_wall->map)
        {
          remove_ob (the_wall);
          free_object (the_wall);
        }
      the_wall->move_block = MOVE_ALL;
      insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON);
    }
  else
    nroferrors--;               /* it's OK not to find an arch. */
  return new_wall;
}
Revision:	1.4
Committed:	Sun Sep 10 16:06:37 2006 UTC (17 years, 9 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.3:	+290 -244 lines
Log Message:	indent
#	User	Rev	Content
1	root	1.4
2	elmex	1.1	/*
3			* static char *rcsid_wall_c =
4	root	1.4	* "$Id: wall.C,v 1.3 2006-09-03 00:18:42 root Exp $";
5	elmex	1.1	*/
6
7			/*
8			CrossFire, A Multiplayer game for X-windows
9
10			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
11			Copyright (C) 1992 Frank Tore Johansen
12
13			This program is free software; you can redistribute it and/or modify
14			it under the terms of the GNU General Public License as published by
15			the Free Software Foundation; either version 2 of the License, or
16			(at your option) any later version.
17
18			This program is distributed in the hope that it will be useful,
19			but WITHOUT ANY WARRANTY; without even the implied warranty of
20			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21			GNU General Public License for more details.
22
23			You should have received a copy of the GNU General Public License
24			along with this program; if not, write to the Free Software
25			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26
27			The authors can be reached via e-mail at crossfire-devel@real-time.com
28			*/
29
30			#include <global.h>
31			#include <random_map.h>
32			#include <rproto.h>
33
34			/* Put in the walls and autojoin them. */
35
36
37			/* given a layout and a coordinate, tell me which squares up/down/right/left
38	root	1.2	are occupied. */
39	elmex	1.1
40	root	1.4	int
41			surround_flag (char *layout, int i, int j, RMParms RP)
42			{
43	elmex	1.1	/* 1 = wall to left,
44	root	1.4	2 = wall to right,
45			4 = wall above
46			8 = wall below */
47	elmex	1.1	int surround_index = 0;
48	root	1.4
49			if ((i > 0) && layout[i - 1][j] != 0)
50			surround_index \|= 1;
51			if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0)
52			surround_index \|= 2;
53			if ((j > 0) && layout[i][j - 1] != 0)
54			surround_index \|= 4;
55			if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0)
56			surround_index \|= 8;
57	elmex	1.1	return surround_index;
58			}
59
60
61			/* like surround_flag, but only walls count.
62	root	1.2	*/
63	elmex	1.1
64	root	1.4	int
65			surround_flag2 (char *layout, int i, int j, RMParms RP)
66			{
67	elmex	1.1	/* 1 = wall to left,
68	root	1.4	2 = wall to right,
69			4 = wall above
70			8 = wall below */
71	elmex	1.1	int surround_index = 0;
72	root	1.4
73			if ((i > 0) && layout[i - 1][j] == '#')
74			surround_index \|= 1;
75			if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#')
76			surround_index \|= 2;
77			if ((j > 0) && layout[i][j - 1] == '#')
78			surround_index \|= 4;
79			if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#')
80			surround_index \|= 8;
81	elmex	1.1	return surround_index;
82			}
83
84
85			/* like surround_flag, except it checks a map, not a layout.
86			* Since this is part of the random map code, presumption
87			* is that this is not a tiled map.
88			* What is considered blocking and not is somewhat hard coded.
89			*/
90	root	1.4	int
91			surround_flag3 (mapstruct map, sint16 i, sint16 j, RMParms RP)
92			{
93			/*
94			* 1 = blocked to left,
95			* 2 = blocked to right,
96			* 4 = blocked above
97			* 8 = blocked below
98			*/
99
100			int surround_index = 0;
101	elmex	1.1
102	root	1.4	if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & ~MOVE_BLOCK_DEFAULT))
103			surround_index \|= 1;
104			if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & ~MOVE_BLOCK_DEFAULT))
105			surround_index \|= 2;
106			if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & ~MOVE_BLOCK_DEFAULT))
107			surround_index \|= 4;
108			if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & ~MOVE_BLOCK_DEFAULT))
109			surround_index \|= 8;
110
111			return surround_index;
112	elmex	1.1	}
113
114			/* like surround_flag2, except it checks a map, not a layout. */
115
116	root	1.4	int
117			surround_flag4 (mapstruct map, int i, int j, RMParms RP)
118			{
119	elmex	1.1	/* 1 = blocked to left,
120	root	1.4	2 = blocked to right,
121			4 = blocked above
122			8 = blocked below */
123	elmex	1.1	int surround_index = 0;
124
125	root	1.4	if ((i > 0) && wall_blocked (map, i - 1, j))
126			surround_index \|= 1;
127			if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j))
128			surround_index \|= 2;
129			if ((j > 0) && wall_blocked (map, i, j - 1))
130			surround_index \|= 4;
131			if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1))
132			surround_index \|= 8;
133	elmex	1.1
134			return surround_index;
135			}
136
137			/* takes a map and a layout, and puts walls in the map (picked from
138	root	1.2	w_style) at '#' marks. */
139	elmex	1.1
140	root	1.4	void
141			make_map_walls (mapstruct map, char layout, char w_style, RMParms * RP)
142			{
143			char styledirname[256];
144			char stylefilepath[256];
145			mapstruct *style_map = 0;
146			object *the_wall;
147
148			/* get the style map */
149			if (!strcmp (w_style, "none"))
150			return;
151			sprintf (styledirname, "%s", "/styles/wallstyles");
152			sprintf (stylefilepath, "%s/%s", styledirname, w_style);
153			style_map = find_style (styledirname, w_style, -1);
154			if (style_map == 0)
155			return;
156
157			/* fill up the map with the given floor style */
158			if ((the_wall = pick_random_object (style_map)) != NULL)
159			{
160			int i, j;
161			char *cp;
162			int joinedwalls = 0;
163			object *thiswall;
164
165			sprintf (RP->wall_name, "%s", &the_wall->arch->name);
166			if ((cp = strchr (RP->wall_name, '_')) != NULL)
167			{
168			*cp = 0;
169			joinedwalls = 1;
170	root	1.2	}
171
172	root	1.4	for (i = 0; i < RP->Xsize; i++)
173			for (j = 0; j < RP->Ysize; j++)
174			{
175			if (layout[i][j] == '#')
176			{
177			if (joinedwalls)
178			thiswall = pick_joined_wall (the_wall, layout, i, j, RP);
179			else
180			thiswall = arch_to_object (the_wall->arch);
181			thiswall->x = i;
182			thiswall->y = j;
183			thiswall->move_block = MOVE_ALL;
184			insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE \| INS_NO_WALK_ON);
185			}
186			}
187	elmex	1.1	}
188			}
189
190
191			/* picks the right wall type for this square, to make it look nice,
192	root	1.2	and have everything nicely joined. It uses the layout. */
193	elmex	1.1
194	root	1.4	object *
195			pick_joined_wall (object the_wall, char layout, int i, int j, RMParms RP)
196			{
197	elmex	1.1	/* 1 = wall to left,
198	root	1.4	2 = wall to right,
199			4 = wall above
200			8 = wall below */
201			int surround_index = 0;
202	elmex	1.1	int l;
203			char wall_name[64];
204	root	1.4	archetype *wall_arch = 0;
205	elmex	1.1
206	root	1.4	strcpy (wall_name, the_wall->arch->name);
207	elmex	1.1
208			/* conventionally, walls are named like this:
209	root	1.4	wallname_wallcode, where wallcode indicates
210			a joinedness, and wallname is the wall.
211			this code depends on the convention for
212			finding the right wall. */
213	elmex	1.1
214			/* extract the wall name, which is the text up to the leading _ */
215	root	1.4	for (l = 0; l < 64; l++)
216			{
217			if (wall_name[l] == '_')
218			{
219			wall_name[l] = 0;
220			break;
221			}
222			}
223
224			surround_index = surround_flag2 (layout, i, j, RP);
225
226			switch (surround_index)
227			{
228			case 0:
229			strcat (wall_name, "_0");
230			break;
231			case 1:
232			strcat (wall_name, "_1_3");
233			break;
234			case 2:
235			strcat (wall_name, "_1_4");
236			break;
237			case 3:
238			strcat (wall_name, "_2_1_2");
239			break;
240			case 4:
241			strcat (wall_name, "_1_2");
242			break;
243			case 5:
244			strcat (wall_name, "_2_2_4");
245			break;
246			case 6:
247			strcat (wall_name, "_2_2_1");
248			break;
249			case 7:
250			strcat (wall_name, "_3_1");
251			break;
252			case 8:
253			strcat (wall_name, "_1_1");
254			break;
255			case 9:
256			strcat (wall_name, "_2_2_3");
257			break;
258			case 10:
259			strcat (wall_name, "_2_2_2");
260			break;
261			case 11:
262			strcat (wall_name, "_3_3");
263			break;
264			case 12:
265			strcat (wall_name, "_2_1_1");
266			break;
267			case 13:
268			strcat (wall_name, "_3_4");
269			break;
270			case 14:
271			strcat (wall_name, "_3_2");
272			break;
273			case 15:
274			strcat (wall_name, "_4");
275			break;
276			}
277			wall_arch = find_archetype (wall_name);
278			if (wall_arch)
279			return arch_to_object (wall_arch);
280			else
281			{
282			nroferrors--;
283			return arch_to_object (the_wall->arch);
284			}
285
286	elmex	1.1
287			}
288	root	1.4
289	elmex	1.1
290			/* this takes a map, and changes an existing wall to match what's blocked
291			* around it, counting only doors and walls as blocked. If insert_flag is
292			* 1, it will go ahead and insert the wall into the map. If not, it
293			* will only return the wall which would belong there, and doesn't
294			* remove anything. It depends on the
295			* global, previously-set variable, "wall_name"
296			*/
297
298	root	1.4	object *
299			retrofit_joined_wall (mapstruct the_map, int i, int j, int insert_flag, RMParms RP)
300			{
301			/* 1 = wall to left,
302			* 2 = wall to right,
303			* 4 = wall above
304			* 8 = wall below
305			*/
306			int surround_index = 0;
307			int l;
308			object *the_wall = 0;
309			object *new_wall = 0;
310			archetype *wall_arch = 0;
311
312			/* first find the wall */
313			for (the_wall = get_map_ob (the_map, i, j); the_wall != NULL; the_wall = the_wall->above)
314			if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER)
315			break;
316
317
318			/* if what we found is a door, don't remove it, set the_wall to NULL to
319			* signal that later.
320			*/
321			if (the_wall && (the_wall->type == DOOR \|\| the_wall->type == LOCKED_DOOR))
322			{
323			the_wall = NULL;
324			/* if we're not supposed to insert a new wall where there wasn't one,
325			* we've gotta leave.
326			*/
327			if (insert_flag == 0)
328			return 0;
329	elmex	1.1	}
330	root	1.4	else if (the_wall == NULL)
331			return NULL;
332	elmex	1.1
333	root	1.4	/* canonicalize the wall name */
334			for (l = 0; l < 64; l++)
335			{
336			if (RP->wall_name[l] == '_')
337			{
338			RP->wall_name[l] = 0;
339			break;
340	root	1.2	}
341	elmex	1.1	}
342
343	root	1.4	surround_index = surround_flag4 (the_map, i, j, RP);
344			/* This would be a lot cleaner to just us a lookup table,
345			* eg, wall_suffix[surround_index]
346			*/
347			switch (surround_index)
348			{
349	root	1.2	case 0:
350	root	1.4	strcat (RP->wall_name, "_0");
351			break;
352	root	1.2	case 1:
353	root	1.4	strcat (RP->wall_name, "_1_3");
354			break;
355	root	1.2	case 2:
356	root	1.4	strcat (RP->wall_name, "_1_4");
357			break;
358	root	1.2	case 3:
359	root	1.4	strcat (RP->wall_name, "_2_1_2");
360			break;
361	root	1.2	case 4:
362	root	1.4	strcat (RP->wall_name, "_1_2");
363			break;
364	root	1.2	case 5:
365	root	1.4	strcat (RP->wall_name, "_2_2_4");
366			break;
367	root	1.2	case 6:
368	root	1.4	strcat (RP->wall_name, "_2_2_1");
369			break;
370	root	1.2	case 7:
371	root	1.4	strcat (RP->wall_name, "_3_1");
372			break;
373	root	1.2	case 8:
374	root	1.4	strcat (RP->wall_name, "_1_1");
375			break;
376	root	1.2	case 9:
377	root	1.4	strcat (RP->wall_name, "_2_2_3");
378			break;
379	root	1.2	case 10:
380	root	1.4	strcat (RP->wall_name, "_2_2_2");
381			break;
382	root	1.2	case 11:
383	root	1.4	strcat (RP->wall_name, "_3_3");
384			break;
385	root	1.2	case 12:
386	root	1.4	strcat (RP->wall_name, "_2_1_1");
387			break;
388	root	1.2	case 13:
389	root	1.4	strcat (RP->wall_name, "_3_4");
390			break;
391	root	1.2	case 14:
392	root	1.4	strcat (RP->wall_name, "_3_2");
393			break;
394	root	1.2	case 15:
395	root	1.4	strcat (RP->wall_name, "_4");
396			break;
397	elmex	1.1	}
398	root	1.4	wall_arch = find_archetype (RP->wall_name);
399			if (wall_arch != NULL)
400			{
401			new_wall = arch_to_object (wall_arch);
402			new_wall->x = i;
403			new_wall->y = j;
404			if (the_wall && the_wall->map)
405			{
406			remove_ob (the_wall);
407			free_object (the_wall);
408	root	1.2	}
409	root	1.4	the_wall->move_block = MOVE_ALL;
410			insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE \| INS_NO_WALK_ON);
411	elmex	1.1	}
412	root	1.4	else
413			nroferrors--; /* it's OK not to find an arch. */
414			return new_wall;
415	elmex	1.1	}