server/random_maps/special.C

/*
    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@schmorp.de>
*/

/*  Specials in this file:
         included maps */

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

#define NUM_OF_SPECIAL_TYPES 4
#define NO_SPECIAL 0
#define SPECIAL_SUBMAP 1
#define SPECIAL_FOUNTAIN 2
#define SPECIAL_EXIT 3

#define GLORY_HOLE 1
#define ORC_ZONE 2
#define MINING_ZONE 3
#define NR_OF_HOLE_TYPES 3

/* clear map completely of all objects:  a rectangular area of xsize, ysize
is cleared with the top left corner at xstart, ystart */

void
nuke_map_region (maptile *map, int xstart, int ystart, int xsize, int ysize)
{
  int i, j;
  object *tmp;

  for (i = xstart; i < xstart + xsize; i++)
    for (j = ystart; j < ystart + ysize; j++)
      {
        for (tmp = GET_MAP_OB (map, i, j); tmp != NULL; tmp = tmp->above)
          {
            if (!QUERY_FLAG (tmp, FLAG_IS_FLOOR))
              {
                if (tmp->head)
                  tmp = tmp->head;
                tmp->remove ();
                tmp->destroy ();
                tmp = GET_MAP_OB (map, i, j);
              }
            if (tmp == NULL)
              break;
          }
      }
}


/* copy in_map into dest_map at point x,y */


void
include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y)
{
  int i, j;
  object *tmp;
  object *new_ob;

  /* First, splatter everything in the dest map at the location */
  nuke_map_region (dest_map, x, y, in_map->width, in_map->height);

  for (i = 0; i < in_map->width; i++)
    for (j = 0; j < in_map->height; j++)
      {
        for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above)
          {
            /* don't copy things with multiple squares:  must be dealt with
               specially. */
            if (tmp->head != NULL)
              continue;
            new_ob = arch_to_object (tmp->arch);
            copy_object_with_inv (tmp, new_ob);
            if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
              add_button_link (new_ob, dest_map, tmp->path_attuned);
            new_ob->x = i + x;
            new_ob->y = j + y;
            insert_multisquare_ob_in_map (new_ob, dest_map);
          }
      }
}

int
find_spot_for_submap (maptile *map, char **layout, int *ix, int *iy, int xsize, int ysize)
{
  int tries;
  int i = 0, j = 0;             /* initialization may not be needed but prevents compiler warnings */
  int is_occupied = 0;
  int l, m;

  /* don't even try to place a submap into a map if the big map isn't
     sufficiently large. */
  if (2 * xsize > map->width || 2 * ysize > map->height)
    return 0;

  /* search a bit for a completely free spot. */
  for (tries = 0; tries < 20; tries++)
    {
      /* pick a random location in the layout */
      i = RANDOM () % (map->width - xsize - 2) + 1;
      j = RANDOM () % (map->height - ysize - 2) + 1;
      is_occupied = 0;
      for (l = i; l < i + xsize; l++)
        for (m = j; m < j + ysize; m++)
          is_occupied |= layout[l][m];
      if (!is_occupied)
        break;
    }


  /* if we failed, relax the restrictions */

  if (is_occupied)
    {                           /* failure, try a relaxed placer. */
      /* pick a random location in the layout */
      for (tries = 0; tries < 10; tries++)
        {
          i = RANDOM () % (map->width - xsize - 2) + 1;
          j = RANDOM () % (map->height - ysize - 2) + 1;
          is_occupied = 0;
          for (l = i; l < i + xsize; l++)
            for (m = j; m < j + ysize; m++)
              if (layout[l][m] == 'C' || layout[l][m] == '>' || layout[l][m] == '<')
                is_occupied |= 1;
        }
    }
  if (is_occupied)
    return 0;
  *ix = i;
  *iy = j;
  return 1;
}


void
place_fountain_with_specials (maptile *map)
{
  int ix, iy, i = -1, tries = 0;
  maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
  object *fountain = get_archetype ("fountain");
  object *potion = object::create ();

  pick_random_object (fountain_style)->copy_to (potion);

  while (i < 0 && tries < 10)
    {
      ix = RANDOM () % (map->width - 2) + 1;
      iy = RANDOM () % (map->height - 2) + 1;
      i = find_first_free_spot (fountain, map, ix, iy);
      tries++;
    }

  if (i == -1)
    {                           /* can't place fountain */
      fountain->destroy ();
      potion->destroy ();
      return;
    }

  ix += freearr_x[i];
  iy += freearr_y[i];
  potion->face = fountain->face;
  SET_FLAG (potion, FLAG_NO_PICK);
  SET_FLAG (potion, FLAG_IDENTIFIED);
  potion->name = potion->name_pl = "fountain";
  potion->x = ix;
  potion->y = iy;
  potion->material = M_ADAMANT;
  fountain->x = ix;
  fountain->y = iy;
  insert_ob_in_map (fountain, map, NULL, 0);
  insert_ob_in_map (potion, map, NULL, 0);

}

void
place_special_exit (maptile *map, int hole_type, RMParms * RP)
{
  int ix, iy, i = -1;
  char buf[HUGE_BUF], *style, *decor, *mon;
  maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
  int g_xsize, g_ysize;

  object *the_exit = object::create ();

  if (!exit_style)
    return;

  pick_random_object (exit_style)->copy_to (the_exit);

  while (i < 0)
    {
      ix = RANDOM () % (map->width - 2) + 1;
      iy = RANDOM () % (map->height - 2) + 1;
      i = find_first_free_spot (the_exit, map, ix, iy);
    }

  ix += freearr_x[i];
  iy += freearr_y[i];
  the_exit->x = ix;
  the_exit->y = iy;

  if (!hole_type)
    hole_type = RANDOM () % NR_OF_HOLE_TYPES + 1;

  switch (hole_type)
    {
        case GLORY_HOLE:       /* treasures */
          {
            g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4;
            g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4;
            style = "onion";
            decor = "wealth2";
            mon = "none";
            break;
          }

        case ORC_ZONE:         /* hole with orcs in it. */
          {
            g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4;
            g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4;
            style = "onion";
            decor = "wealth2";
            mon = "orc";
            break;
          }

        case MINING_ZONE:      /* hole with orcs in it. */
          {
            g_xsize = RANDOM () % 9 + 4 + RP->difficulty / 4;
            g_ysize = RANDOM () % 9 + 4 + RP->difficulty / 4;
            style = "maze";
            decor = "minerals2";
            mon = "none";
            break;
          }

        default:               /* undefined */
          LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
          return;
          break;
    }

  /* Need to be at least this size, otherwise the load
   * code will generate new size values which are too large.
   */
  if (g_xsize < MIN_RANDOM_MAP_SIZE)
    g_xsize = MIN_RANDOM_MAP_SIZE;
  if (g_ysize < MIN_RANDOM_MAP_SIZE)
    g_ysize = MIN_RANDOM_MAP_SIZE;

  write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
                              "none", style, decor, "none", RP->exitstyle, 0, 0, 0,
                              OPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
                              RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
  the_exit->slaying = "/!";
  the_exit->msg = buf;

  insert_ob_in_map (the_exit, map, NULL, 0);
}


void
place_specials_in_map (maptile *map, char **layout, RMParms * RP)
{
  maptile *special_map;
  int ix, iy;                   /* map insertion locatons */
  int special_type;             /* type of special to make */


  special_type = RANDOM () % NUM_OF_SPECIAL_TYPES;
  switch (special_type)
    {

          /* includes a special map into the random map being made. */
        case SPECIAL_SUBMAP:
          {
            special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
            if (special_map == NULL)
              return;

            if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
              include_map_in_map (map, special_map, ix, iy);
            break;
          }

          /* Make a special fountain:  an unpickable potion disguised as
             a fountain, or rather, colocated with a fountain. */
        case SPECIAL_FOUNTAIN:
          {
            place_fountain_with_specials (map);
            break;
          }

          /* Make an exit to another random map, e.g. a gloryhole. */
        case SPECIAL_EXIT:
          {
            place_special_exit (map, 0, RP);
            break;
          }
    }

}
Revision:	1.10
Committed:	Mon Dec 25 14:43:23 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.9:	+13 -13 lines
Log Message:	interim.checkin
#	User	Rev	Content
1	elmex	1.1	/*
2			CrossFire, A Multiplayer game for X-windows
3
4			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
5			Copyright (C) 1992 Frank Tore Johansen
6
7			This program is free software; you can redistribute it and/or modify
8			it under the terms of the GNU General Public License as published by
9			the Free Software Foundation; either version 2 of the License, or
10			(at your option) any later version.
11
12			This program is distributed in the hope that it will be useful,
13			but WITHOUT ANY WARRANTY; without even the implied warranty of
14			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			GNU General Public License for more details.
16
17			You should have received a copy of the GNU General Public License
18			along with this program; if not, write to the Free Software
19			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21	root	1.5	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	elmex	1.1	*/
23
24			/* Specials in this file:
25	root	1.2	included maps */
26	elmex	1.1
27			#include <global.h>
28			#include <random_map.h>
29			#include <rproto.h>
30
31			#define NUM_OF_SPECIAL_TYPES 4
32			#define NO_SPECIAL 0
33			#define SPECIAL_SUBMAP 1
34			#define SPECIAL_FOUNTAIN 2
35			#define SPECIAL_EXIT 3
36
37			#define GLORY_HOLE 1
38			#define ORC_ZONE 2
39			#define MINING_ZONE 3
40			#define NR_OF_HOLE_TYPES 3
41
42			/* clear map completely of all objects: a rectangular area of xsize, ysize
43			is cleared with the top left corner at xstart, ystart */
44
45	root	1.4	void
46	root	1.6	nuke_map_region (maptile *map, int xstart, int ystart, int xsize, int ysize)
47	root	1.4	{
48			int i, j;
49	elmex	1.1	object *tmp;
50	root	1.4
51			for (i = xstart; i < xstart + xsize; i++)
52			for (j = ystart; j < ystart + ysize; j++)
53			{
54	root	1.9	for (tmp = GET_MAP_OB (map, i, j); tmp != NULL; tmp = tmp->above)
55	root	1.4	{
56			if (!QUERY_FLAG (tmp, FLAG_IS_FLOOR))
57			{
58			if (tmp->head)
59			tmp = tmp->head;
60	root	1.7	tmp->remove ();
61	root	1.8	tmp->destroy ();
62	root	1.9	tmp = GET_MAP_OB (map, i, j);
63	root	1.4	}
64			if (tmp == NULL)
65			break;
66			}
67	elmex	1.1	}
68			}
69
70
71
72	root	1.4	/* copy in_map into dest_map at point x,y */
73	elmex	1.1
74
75	root	1.4	void
76	root	1.6	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
77	root	1.4	{
78			int i, j;
79	elmex	1.1	object *tmp;
80			object *new_ob;
81	root	1.4
82	elmex	1.1	/* First, splatter everything in the dest map at the location */
83	root	1.10	nuke_map_region (dest_map, x, y, in_map->width, in_map->height);
84	root	1.4
85	root	1.10	for (i = 0; i < in_map->width; i++)
86			for (j = 0; j < in_map->height; j++)
87	root	1.4	{
88	root	1.9	for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above)
89	root	1.4	{
90			/* don't copy things with multiple squares: must be dealt with
91			specially. */
92			if (tmp->head != NULL)
93			continue;
94			new_ob = arch_to_object (tmp->arch);
95			copy_object_with_inv (tmp, new_ob);
96			if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
97			add_button_link (new_ob, dest_map, tmp->path_attuned);
98			new_ob->x = i + x;
99			new_ob->y = j + y;
100			insert_multisquare_ob_in_map (new_ob, dest_map);
101			}
102	elmex	1.1	}
103			}
104
105	root	1.4	int
106	root	1.6	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
107	root	1.4	{
108	elmex	1.1	int tries;
109	root	1.4	int i = 0, j = 0; /* initialization may not be needed but prevents compiler warnings */
110			int is_occupied = 0;
111			int l, m;
112
113	elmex	1.1	/* don't even try to place a submap into a map if the big map isn't
114			sufficiently large. */
115	root	1.10	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
116	root	1.4	return 0;
117
118	elmex	1.1	/* search a bit for a completely free spot. */
119	root	1.4	for (tries = 0; tries < 20; tries++)
120			{
121			/* pick a random location in the layout */
122	root	1.10	i = RANDOM () % (map->width - xsize - 2) + 1;
123			j = RANDOM () % (map->height - ysize - 2) + 1;
124	root	1.4	is_occupied = 0;
125			for (l = i; l < i + xsize; l++)
126			for (m = j; m < j + ysize; m++)
127			is_occupied \|= layout[l][m];
128			if (!is_occupied)
129			break;
130			}
131
132	elmex	1.1
133			/* if we failed, relax the restrictions */
134	root	1.4
135			if (is_occupied)
136			{ /* failure, try a relaxed placer. */
137			/* pick a random location in the layout */
138			for (tries = 0; tries < 10; tries++)
139			{
140	root	1.10	i = RANDOM () % (map->width - xsize - 2) + 1;
141			j = RANDOM () % (map->height - ysize - 2) + 1;
142	root	1.4	is_occupied = 0;
143			for (l = i; l < i + xsize; l++)
144			for (m = j; m < j + ysize; m++)
145			if (layout[l][m] == 'C' \|\| layout[l][m] == '>' \|\| layout[l][m] == '<')
146			is_occupied \|= 1;
147			}
148	elmex	1.1	}
149	root	1.4	if (is_occupied)
150			return 0;
151			*ix = i;
152			*iy = j;
153	elmex	1.1	return 1;
154	root	1.4	}
155	elmex	1.1
156
157	root	1.4	void
158	root	1.6	place_fountain_with_specials (maptile *map)
159	root	1.4	{
160			int ix, iy, i = -1, tries = 0;
161	root	1.6	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
162	root	1.4	object *fountain = get_archetype ("fountain");
163	root	1.8	object *potion = object::create ();
164
165			pick_random_object (fountain_style)->copy_to (potion);
166	root	1.4
167			while (i < 0 && tries < 10)
168			{
169	root	1.10	ix = RANDOM () % (map->width - 2) + 1;
170			iy = RANDOM () % (map->height - 2) + 1;
171	root	1.4	i = find_first_free_spot (fountain, map, ix, iy);
172			tries++;
173	root	1.8	}
174
175	root	1.4	if (i == -1)
176			{ /* can't place fountain */
177	root	1.8	fountain->destroy ();
178			potion->destroy ();
179	root	1.4	return;
180			}
181	root	1.8
182	elmex	1.1	ix += freearr_x[i];
183			iy += freearr_y[i];
184	root	1.4	potion->face = fountain->face;
185			SET_FLAG (potion, FLAG_NO_PICK);
186			SET_FLAG (potion, FLAG_IDENTIFIED);
187	root	1.3	potion->name = potion->name_pl = "fountain";
188	elmex	1.1	potion->x = ix;
189			potion->y = iy;
190	root	1.4	potion->material = M_ADAMANT;
191	elmex	1.1	fountain->x = ix;
192			fountain->y = iy;
193	root	1.4	insert_ob_in_map (fountain, map, NULL, 0);
194			insert_ob_in_map (potion, map, NULL, 0);
195	elmex	1.1
196			}
197
198	root	1.4	void
199	root	1.6	place_special_exit (maptile map, int hole_type, RMParms RP)
200	root	1.4	{
201			int ix, iy, i = -1;
202			char buf[HUGE_BUF], style, decor, *mon;
203	root	1.6	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
204	root	1.4	int g_xsize, g_ysize;
205
206	root	1.8	object *the_exit = object::create ();
207	root	1.4
208			if (!exit_style)
209			return;
210
211	root	1.8	pick_random_object (exit_style)->copy_to (the_exit);
212	root	1.4
213			while (i < 0)
214			{
215	root	1.10	ix = RANDOM () % (map->width - 2) + 1;
216			iy = RANDOM () % (map->height - 2) + 1;
217	root	1.4	i = find_first_free_spot (the_exit, map, ix, iy);
218	elmex	1.1	}
219	root	1.4
220			ix += freearr_x[i];
221			iy += freearr_y[i];
222			the_exit->x = ix;
223			the_exit->y = iy;
224
225			if (!hole_type)
226			hole_type = RANDOM () % NR_OF_HOLE_TYPES + 1;
227
228			switch (hole_type)
229			{
230			case GLORY_HOLE: /* treasures */
231			{
232			g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4;
233			g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4;
234			style = "onion";
235			decor = "wealth2";
236			mon = "none";
237	root	1.2	break;
238	root	1.4	}
239
240			case ORC_ZONE: /* hole with orcs in it. */
241			{
242			g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4;
243			g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4;
244			style = "onion";
245			decor = "wealth2";
246			mon = "orc";
247			break;
248			}
249
250			case MINING_ZONE: /* hole with orcs in it. */
251			{
252			g_xsize = RANDOM () % 9 + 4 + RP->difficulty / 4;
253			g_ysize = RANDOM () % 9 + 4 + RP->difficulty / 4;
254			style = "maze";
255			decor = "minerals2";
256			mon = "none";
257			break;
258			}
259
260			default: /* undefined */
261			LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
262			return;
263			break;
264	elmex	1.1	}
265
266	root	1.4	/* Need to be at least this size, otherwise the load
267			* code will generate new size values which are too large.
268			*/
269			if (g_xsize < MIN_RANDOM_MAP_SIZE)
270			g_xsize = MIN_RANDOM_MAP_SIZE;
271			if (g_ysize < MIN_RANDOM_MAP_SIZE)
272			g_ysize = MIN_RANDOM_MAP_SIZE;
273
274			write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
275			"none", style, decor, "none", RP->exitstyle, 0, 0, 0,
276			OPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
277			RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
278			the_exit->slaying = "/!";
279			the_exit->msg = buf;
280	elmex	1.1
281	root	1.4	insert_ob_in_map (the_exit, map, NULL, 0);
282	elmex	1.1	}
283	root	1.4
284
285			void
286	root	1.6	place_specials_in_map (maptile map, char layout, RMParms RP)
287	root	1.4	{
288	root	1.6	maptile *special_map;
289	root	1.4	int ix, iy; /* map insertion locatons */
290			int special_type; /* type of special to make */
291
292
293			special_type = RANDOM () % NUM_OF_SPECIAL_TYPES;
294			switch (special_type)
295			{
296
297			/* includes a special map into the random map being made. */
298			case SPECIAL_SUBMAP:
299			{
300			special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
301			if (special_map == NULL)
302			return;
303
304	root	1.10	if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
305	root	1.4	include_map_in_map (map, special_map, ix, iy);
306			break;
307			}
308
309			/* Make a special fountain: an unpickable potion disguised as
310			a fountain, or rather, colocated with a fountain. */
311			case SPECIAL_FOUNTAIN:
312			{
313			place_fountain_with_specials (map);
314			break;
315			}
316
317			/* Make an exit to another random map, e.g. a gloryhole. */
318			case SPECIAL_EXIT:
319			{
320			place_special_exit (map, 0, RP);
321			break;
322			}
323			}
324	elmex	1.1
325			}