server/random_maps/wall.C


/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
    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@schmorp.de>
*/

#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, random_map_params *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, random_map_params *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 (maptile *map, sint16 i, sint16 j, random_map_params *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 (maptile *map, int i, int j, random_map_params *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 (maptile *map, char **layout, char *w_style, random_map_params *RP)
{
  char styledirname[1024];
  char stylefilepath[1024];
  maptile *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, random_map_params *RP)
{
  /* 1 = wall to left,
     2 = wall to right,
     4 = wall above
     8 = wall below */
  int surround_index = 0;
  int l;
  char wall_name[1024];
  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 = archetype::find (wall_name);

  return wall_arch ? arch_to_object (wall_arch) : 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 (maptile *the_map, int i, int j, int insert_flag, random_map_params *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 = archetype::find (RP->wall_name);

  if (!wall_arch)
    {
      new_wall = arch_to_object (wall_arch);
      new_wall->x = i;
      new_wall->y = j;

      if (the_wall && the_wall->map)
        {
          the_wall->remove ();
          the_wall->destroy ();
        }

      the_wall->move_block = MOVE_ALL;
      insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON);
    }

  return new_wall;
}
Revision:	1.15
Committed:	Sat Jan 6 14:42:30 2007 UTC (17 years, 5 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+1 -0 lines
Log Message:	added some copyrights
#	User	Rev	Content
1	root	1.13
2	elmex	1.1	/*
3			CrossFire, A Multiplayer game for X-windows
4
5	pippijn	1.15	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
6	elmex	1.1	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
7			Copyright (C) 1992 Frank Tore Johansen
8
9			This program is free software; you can redistribute it and/or modify
10			it under the terms of the GNU General Public License as published by
11			the Free Software Foundation; either version 2 of the License, or
12			(at your option) any later version.
13
14			This program is distributed in the hope that it will be useful,
15			but WITHOUT ANY WARRANTY; without even the implied warranty of
16			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			GNU General Public License for more details.
18
19			You should have received a copy of the GNU General Public License
20			along with this program; if not, write to the Free Software
21			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22
23	root	1.6	The authors can be reached via e-mail at <crossfire@schmorp.de>
24	elmex	1.1	*/
25
26			#include <global.h>
27			#include <random_map.h>
28			#include <rproto.h>
29
30			/* Put in the walls and autojoin them. */
31
32
33			/* given a layout and a coordinate, tell me which squares up/down/right/left
34	root	1.2	are occupied. */
35	elmex	1.1
36	root	1.4	int
37	root	1.13	surround_flag (char *layout, int i, int j, random_map_params RP)
38	root	1.4	{
39	elmex	1.1	/* 1 = wall to left,
40	root	1.4	2 = wall to right,
41			4 = wall above
42			8 = wall below */
43	elmex	1.1	int surround_index = 0;
44	root	1.4
45			if ((i > 0) && layout[i - 1][j] != 0)
46			surround_index \|= 1;
47			if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0)
48			surround_index \|= 2;
49			if ((j > 0) && layout[i][j - 1] != 0)
50			surround_index \|= 4;
51			if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0)
52			surround_index \|= 8;
53	elmex	1.1	return surround_index;
54			}
55
56
57			/* like surround_flag, but only walls count.
58	root	1.2	*/
59	elmex	1.1
60	root	1.4	int
61	root	1.13	surround_flag2 (char *layout, int i, int j, random_map_params RP)
62	root	1.4	{
63	elmex	1.1	/* 1 = wall to left,
64	root	1.4	2 = wall to right,
65			4 = wall above
66			8 = wall below */
67	elmex	1.1	int surround_index = 0;
68	root	1.4
69			if ((i > 0) && layout[i - 1][j] == '#')
70			surround_index \|= 1;
71			if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#')
72			surround_index \|= 2;
73			if ((j > 0) && layout[i][j - 1] == '#')
74			surround_index \|= 4;
75			if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#')
76			surround_index \|= 8;
77	elmex	1.1	return surround_index;
78			}
79
80
81			/* like surround_flag, except it checks a map, not a layout.
82			* Since this is part of the random map code, presumption
83			* is that this is not a tiled map.
84			* What is considered blocking and not is somewhat hard coded.
85			*/
86	root	1.4	int
87	root	1.13	surround_flag3 (maptile map, sint16 i, sint16 j, random_map_params RP)
88	root	1.4	{
89			/*
90			* 1 = blocked to left,
91			* 2 = blocked to right,
92			* 4 = blocked above
93			* 8 = blocked below
94			*/
95
96			int surround_index = 0;
97	elmex	1.1
98	root	1.4	if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & ~MOVE_BLOCK_DEFAULT))
99			surround_index \|= 1;
100			if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & ~MOVE_BLOCK_DEFAULT))
101			surround_index \|= 2;
102			if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & ~MOVE_BLOCK_DEFAULT))
103			surround_index \|= 4;
104			if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & ~MOVE_BLOCK_DEFAULT))
105			surround_index \|= 8;
106
107			return surround_index;
108	elmex	1.1	}
109
110			/* like surround_flag2, except it checks a map, not a layout. */
111
112	root	1.4	int
113	root	1.13	surround_flag4 (maptile map, int i, int j, random_map_params RP)
114	root	1.4	{
115	elmex	1.1	/* 1 = blocked to left,
116	root	1.4	2 = blocked to right,
117			4 = blocked above
118			8 = blocked below */
119	elmex	1.1	int surround_index = 0;
120
121	root	1.4	if ((i > 0) && wall_blocked (map, i - 1, j))
122			surround_index \|= 1;
123			if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j))
124			surround_index \|= 2;
125			if ((j > 0) && wall_blocked (map, i, j - 1))
126			surround_index \|= 4;
127			if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1))
128			surround_index \|= 8;
129	elmex	1.1
130			return surround_index;
131			}
132
133			/* takes a map and a layout, and puts walls in the map (picked from
134	root	1.2	w_style) at '#' marks. */
135	elmex	1.1
136	root	1.4	void
137	root	1.13	make_map_walls (maptile map, char layout, char w_style, random_map_params *RP)
138	root	1.4	{
139	root	1.14	char styledirname[1024];
140			char stylefilepath[1024];
141	root	1.7	maptile *style_map = 0;
142	root	1.4	object *the_wall;
143
144			/* get the style map */
145			if (!strcmp (w_style, "none"))
146			return;
147			sprintf (styledirname, "%s", "/styles/wallstyles");
148			sprintf (stylefilepath, "%s/%s", styledirname, w_style);
149			style_map = find_style (styledirname, w_style, -1);
150			if (style_map == 0)
151			return;
152
153			/* fill up the map with the given floor style */
154			if ((the_wall = pick_random_object (style_map)) != NULL)
155			{
156			int i, j;
157			char *cp;
158			int joinedwalls = 0;
159			object *thiswall;
160
161			sprintf (RP->wall_name, "%s", &the_wall->arch->name);
162			if ((cp = strchr (RP->wall_name, '_')) != NULL)
163			{
164			*cp = 0;
165			joinedwalls = 1;
166	root	1.2	}
167
168	root	1.4	for (i = 0; i < RP->Xsize; i++)
169			for (j = 0; j < RP->Ysize; j++)
170			{
171			if (layout[i][j] == '#')
172			{
173			if (joinedwalls)
174			thiswall = pick_joined_wall (the_wall, layout, i, j, RP);
175			else
176			thiswall = arch_to_object (the_wall->arch);
177			thiswall->x = i;
178			thiswall->y = j;
179			thiswall->move_block = MOVE_ALL;
180			insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE \| INS_NO_WALK_ON);
181			}
182			}
183	elmex	1.1	}
184			}
185
186
187			/* picks the right wall type for this square, to make it look nice,
188	root	1.2	and have everything nicely joined. It uses the layout. */
189	elmex	1.1
190	root	1.4	object *
191	root	1.13	pick_joined_wall (object the_wall, char layout, int i, int j, random_map_params RP)
192	root	1.4	{
193	elmex	1.1	/* 1 = wall to left,
194	root	1.4	2 = wall to right,
195			4 = wall above
196			8 = wall below */
197			int surround_index = 0;
198	elmex	1.1	int l;
199	root	1.14	char wall_name[1024];
200	root	1.4	archetype *wall_arch = 0;
201	elmex	1.1
202	root	1.4	strcpy (wall_name, the_wall->arch->name);
203	elmex	1.1
204			/* conventionally, walls are named like this:
205	root	1.4	wallname_wallcode, where wallcode indicates
206			a joinedness, and wallname is the wall.
207			this code depends on the convention for
208			finding the right wall. */
209	elmex	1.1
210			/* extract the wall name, which is the text up to the leading _ */
211	root	1.4	for (l = 0; l < 64; l++)
212			{
213			if (wall_name[l] == '_')
214			{
215			wall_name[l] = 0;
216			break;
217			}
218			}
219
220			surround_index = surround_flag2 (layout, i, j, RP);
221
222			switch (surround_index)
223			{
224	root	1.13	case 0:
225			strcat (wall_name, "_0");
226			break;
227			case 1:
228			strcat (wall_name, "_1_3");
229			break;
230			case 2:
231			strcat (wall_name, "_1_4");
232			break;
233			case 3:
234			strcat (wall_name, "_2_1_2");
235			break;
236			case 4:
237			strcat (wall_name, "_1_2");
238			break;
239			case 5:
240			strcat (wall_name, "_2_2_4");
241			break;
242			case 6:
243			strcat (wall_name, "_2_2_1");
244			break;
245			case 7:
246			strcat (wall_name, "_3_1");
247			break;
248			case 8:
249			strcat (wall_name, "_1_1");
250			break;
251			case 9:
252			strcat (wall_name, "_2_2_3");
253			break;
254			case 10:
255			strcat (wall_name, "_2_2_2");
256			break;
257			case 11:
258			strcat (wall_name, "_3_3");
259			break;
260			case 12:
261			strcat (wall_name, "_2_1_1");
262			break;
263			case 13:
264			strcat (wall_name, "_3_4");
265			break;
266			case 14:
267			strcat (wall_name, "_3_2");
268			break;
269			case 15:
270			strcat (wall_name, "_4");
271			break;
272	root	1.4	}
273	root	1.5	wall_arch = archetype::find (wall_name);
274	elmex	1.1
275	root	1.13	return wall_arch ? arch_to_object (wall_arch) : arch_to_object (the_wall->arch);
276	elmex	1.1	}
277	root	1.4
278	elmex	1.1
279			/* this takes a map, and changes an existing wall to match what's blocked
280			* around it, counting only doors and walls as blocked. If insert_flag is
281			* 1, it will go ahead and insert the wall into the map. If not, it
282			* will only return the wall which would belong there, and doesn't
283			* remove anything. It depends on the
284			* global, previously-set variable, "wall_name"
285			*/
286
287	root	1.4	object *
288	root	1.13	retrofit_joined_wall (maptile the_map, int i, int j, int insert_flag, random_map_params RP)
289	root	1.4	{
290			/* 1 = wall to left,
291			* 2 = wall to right,
292			* 4 = wall above
293			* 8 = wall below
294			*/
295			int surround_index = 0;
296			int l;
297			object *the_wall = 0;
298			object *new_wall = 0;
299			archetype *wall_arch = 0;
300
301			/* first find the wall */
302	root	1.10	for (the_wall = GET_MAP_OB (the_map, i, j); the_wall != NULL; the_wall = the_wall->above)
303	root	1.4	if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER)
304			break;
305
306
307			/* if what we found is a door, don't remove it, set the_wall to NULL to
308			* signal that later.
309			*/
310			if (the_wall && (the_wall->type == DOOR \|\| the_wall->type == LOCKED_DOOR))
311			{
312			the_wall = NULL;
313			/* if we're not supposed to insert a new wall where there wasn't one,
314			* we've gotta leave.
315			*/
316			if (insert_flag == 0)
317			return 0;
318	elmex	1.1	}
319	root	1.4	else if (the_wall == NULL)
320			return NULL;
321	elmex	1.1
322	root	1.4	/* canonicalize the wall name */
323			for (l = 0; l < 64; l++)
324			{
325			if (RP->wall_name[l] == '_')
326			{
327			RP->wall_name[l] = 0;
328			break;
329	root	1.2	}
330	elmex	1.1	}
331
332	root	1.4	surround_index = surround_flag4 (the_map, i, j, RP);
333			/* This would be a lot cleaner to just us a lookup table,
334			* eg, wall_suffix[surround_index]
335			*/
336			switch (surround_index)
337			{
338	root	1.13	case 0:
339			strcat (RP->wall_name, "_0");
340			break;
341			case 1:
342			strcat (RP->wall_name, "_1_3");
343			break;
344			case 2:
345			strcat (RP->wall_name, "_1_4");
346			break;
347			case 3:
348			strcat (RP->wall_name, "_2_1_2");
349			break;
350			case 4:
351			strcat (RP->wall_name, "_1_2");
352			break;
353			case 5:
354			strcat (RP->wall_name, "_2_2_4");
355			break;
356			case 6:
357			strcat (RP->wall_name, "_2_2_1");
358			break;
359			case 7:
360			strcat (RP->wall_name, "_3_1");
361			break;
362			case 8:
363			strcat (RP->wall_name, "_1_1");
364			break;
365			case 9:
366			strcat (RP->wall_name, "_2_2_3");
367			break;
368			case 10:
369			strcat (RP->wall_name, "_2_2_2");
370			break;
371			case 11:
372			strcat (RP->wall_name, "_3_3");
373			break;
374			case 12:
375			strcat (RP->wall_name, "_2_1_1");
376			break;
377			case 13:
378			strcat (RP->wall_name, "_3_4");
379			break;
380			case 14:
381			strcat (RP->wall_name, "_3_2");
382			break;
383			case 15:
384			strcat (RP->wall_name, "_4");
385			break;
386	elmex	1.1	}
387	root	1.11
388	root	1.5	wall_arch = archetype::find (RP->wall_name);
389	root	1.11
390			if (!wall_arch)
391	root	1.4	{
392			new_wall = arch_to_object (wall_arch);
393			new_wall->x = i;
394			new_wall->y = j;
395	root	1.11
396	root	1.4	if (the_wall && the_wall->map)
397			{
398	root	1.8	the_wall->remove ();
399	root	1.9	the_wall->destroy ();
400	root	1.2	}
401	root	1.11
402	root	1.4	the_wall->move_block = MOVE_ALL;
403			insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE \| INS_NO_WALK_ON);
404	elmex	1.1	}
405	root	1.11
406	root	1.4	return new_wall;
407	elmex	1.1	}