server/random_maps/special.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Deliantra 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 3 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, see <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

/*  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 !floor objects:
 * a rectangular area of xsize, ysize
 * is cleared with the top left corner at xstart, ystart
 */
static void
nuke_map_region (maptile *map, char **layout, int xstart, int ystart, int xsize, int ysize)
{
  for (int i = xstart; i < xstart + xsize; i++)
    for (int j = ystart; j < ystart + ysize; j++)
      {
        layout[i][j] = 'S';

        for (object *tmp = map->at (i, j).bot; tmp; )
          if (tmp->flag [FLAG_IS_FLOOR])
            tmp = tmp->above;
          else
            {
              object *head = tmp->head_ ();
              tmp = tmp->above;
              head->destroy (true);
            }
      }
}

/* copy in_map into dest_map at point x,y */
static void
include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y)
{
  for (int i = 0; i < in_map->width; i++)
    for (int j = 0; j < in_map->height; j++)
      for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above)
        {
          /* don't copy tails: must be dealt with specially. */
          if (!tmp->is_head ())
            continue;

          object *new_ob = tmp->deep_clone ();

          if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
            add_button_link (new_ob, dest_map, tmp->path_attuned);

          dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE | INS_NO_WALK_ON);
        }
}

static int
find_spot_for_submap (maptile *map, char **layout, int *ix, int *iy, int xsize, int ysize)
{
  int blocked, i, j;

  /* 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 (int tries = 0; tries < 20; tries++)
    {
      blocked = 0;

      /* pick a random location in the layout */
      i = rmg_rndm (1, map->width  - xsize - 2);
      j = rmg_rndm (1, map->height - ysize - 2);

      for (int l = i; l < i + xsize; l++)
        for (int m = j; m < j + ysize; m++)
          {
            blocked = 1;
            break;
          }

      if (!blocked)
        break;
    }

  /* if we failed, relax the restrictions */
  if (blocked)
    {                           /* failure, try a relaxed placer. */
      /* pick a random location in the layout */
      for (int tries = 0; tries < 10; tries++)
        {
          i = rmg_rndm (1, map->width  - xsize - 2);
          j = rmg_rndm (1, map->height - ysize - 2);

          blocked = 0;

          for (int l = i; l < i + xsize; l++)
            for (int m = j; m < j + ysize; m++)
              if (layout[l][m] != '#' && layout[l][m] != 'D' && layout[l][m] != 0)
                {
                  blocked = 1;
                  break;
                }
        }
    }

  if (blocked)
    return 0;

  *ix = i;
  *iy = j;

  return 1;
}

static void
place_fountain_with_specials (maptile *map)
{
  int ix, iy, i = -1, tries = 0;
  maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);

  if (!fountain_style)
    {
      LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
      return;
    }

  object *fountain = archetype::get (shstr_fountain);
  object *potion = fountain_style->pick_random_object (rmg_rndm)->clone ();

  while (i < 0 && tries < 10)
    {
      ix = rmg_rndm (map->width  - 2) + 1;
      iy = rmg_rndm (map->height - 2) + 1;
      i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
      tries++;
    }

  if (i == -1)
    {                           /* can't place fountain */
      fountain->destroy (true);
      potion->destroy (true);
      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->materialname = "adamantium";
  fountain->x = ix;
  fountain->y = iy;
  insert_ob_in_map (fountain, map, NULL, 0);
  insert_ob_in_map (potion, map, NULL, 0);
}

static void
place_special_exit (maptile *map, int hole_type, random_map_params *RP)
{
  int ix, iy, i = -1;
  char buf[16384];
  const char *style, *decor, *mon;
  maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
  int g_xsize, g_ysize;

  if (!exit_style)
    {
      LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
      return;
    }

  if (!exit_style)
    return;

  object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();

  // put an upper bound here, just in case
  for (int repeat = 8192; --repeat; )
    {
      ix = rmg_rndm (1, map->width  - 2);
      iy = rmg_rndm (1, map->height - 2);

      i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
      if (i >= 0)
        {
          ix += freearr_x[i];
          iy += freearr_y[i];
          break;
        }
    }

  the_exit->x = ix;
  the_exit->y = iy;

  if (!hole_type)
    hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;

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

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

      case MINING_ZONE:        /* hole with orcs in it. */
        {
          g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
          g_ysize = rmg_rndm (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,
                              RMOPT_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, random_map_params *RP)
{
  switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
    {
      case SPECIAL_SUBMAP:
        {
          /* includes a special map into the random map being made. */
          maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);

          if (!special_map)
            break;

          int ix, iy; /* map insertion locatons */

          if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
            {
              /* First, splatter everything in the dest map at the location */
              nuke_map_region (map, layout, ix, iy, special_map->width, special_map->height);
              include_map_in_map (map, special_map, ix, iy);
            }
        }

        break;

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

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

Revision:	1.34
Committed:	Mon Sep 29 09:04:51 2008 UTC (15 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.33:	+3 -3 lines
Log Message:	Replace all destroy calls by destroy (true) (after checking), add temporary debugging code for lost objects, fix some minor issues in random_maps.
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.26	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	pippijn	1.16	*
4	root	1.27	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	root	1.24	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6			* Copyright (©) 1992,2007 Frank Tore Johansen
7	pippijn	1.16	*
8	root	1.26	* Deliantra is free software: you can redistribute it and/or modify
9	pippijn	1.16	* it under the terms of the GNU General Public License as published by
10	root	1.24	* the Free Software Foundation, either version 3 of the License, or
11	pippijn	1.16	* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	root	1.24	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	pippijn	1.16	* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19	root	1.24	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20			*
21	root	1.26	* The authors can be reached via e-mail to <support@deliantra.net>
22	pippijn	1.16	*/
23	elmex	1.1
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	root	1.32	/* clear map completely of all !floor objects:
43			* a rectangular area of xsize, ysize
44			* is cleared with the top left corner at xstart, ystart
45			*/
46			static void
47			nuke_map_region (maptile map, char *layout, int xstart, int ystart, int xsize, int ysize)
48	root	1.4	{
49	root	1.32	for (int i = xstart; i < xstart + xsize; i++)
50			for (int j = ystart; j < ystart + ysize; j++)
51			{
52			layout[i][j] = 'S';
53	root	1.4
54	root	1.32	for (object *tmp = map->at (i, j).bot; tmp; )
55			if (tmp->flag [FLAG_IS_FLOOR])
56			tmp = tmp->above;
57			else
58			{
59			object *head = tmp->head_ ();
60			tmp = tmp->above;
61	root	1.34	head->destroy (true);
62	root	1.32	}
63	elmex	1.1	}
64			}
65
66	root	1.4	/* copy in_map into dest_map at point x,y */
67	root	1.32	static void
68	root	1.6	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
69	root	1.4	{
70	root	1.30	for (int i = 0; i < in_map->width; i++)
71			for (int j = 0; j < in_map->height; j++)
72			for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above)
73			{
74	root	1.32	/* don't copy tails: must be dealt with specially. */
75	root	1.30	if (!tmp->is_head ())
76			continue;
77
78	root	1.31	object *new_ob = tmp->deep_clone ();
79	root	1.30
80			if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
81			add_button_link (new_ob, dest_map, tmp->path_attuned);
82
83	root	1.31	dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE \| INS_NO_WALK_ON);
84	root	1.30	}
85	elmex	1.1	}
86
87	root	1.32	static int
88	root	1.6	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
89	root	1.4	{
90	root	1.32	int blocked, i, j;
91	root	1.4
92	elmex	1.1	/* don't even try to place a submap into a map if the big map isn't
93			sufficiently large. */
94	root	1.10	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
95	root	1.4	return 0;
96
97	elmex	1.1	/* search a bit for a completely free spot. */
98	root	1.32	for (int tries = 0; tries < 20; tries++)
99	root	1.4	{
100	root	1.32	blocked = 0;
101
102	root	1.4	/* pick a random location in the layout */
103	root	1.33	i = rmg_rndm (1, map->width - xsize - 2);
104			j = rmg_rndm (1, map->height - ysize - 2);
105	root	1.32
106			for (int l = i; l < i + xsize; l++)
107			for (int m = j; m < j + ysize; m++)
108			{
109			blocked = 1;
110			break;
111			}
112
113			if (!blocked)
114	root	1.4	break;
115			}
116
117	elmex	1.1	/* if we failed, relax the restrictions */
118	root	1.32	if (blocked)
119	root	1.4	{ /* failure, try a relaxed placer. */
120			/* pick a random location in the layout */
121	root	1.32	for (int tries = 0; tries < 10; tries++)
122	root	1.4	{
123	root	1.33	i = rmg_rndm (1, map->width - xsize - 2);
124			j = rmg_rndm (1, map->height - ysize - 2);
125	root	1.32
126			blocked = 0;
127
128			for (int l = i; l < i + xsize; l++)
129			for (int m = j; m < j + ysize; m++)
130			if (layout[l][m] != '#' && layout[l][m] != 'D' && layout[l][m] != 0)
131			{
132			blocked = 1;
133			break;
134			}
135	root	1.4	}
136	elmex	1.1	}
137	root	1.27
138	root	1.32	if (blocked)
139	root	1.4	return 0;
140	root	1.27
141	root	1.4	*ix = i;
142			*iy = j;
143	root	1.32
144	elmex	1.1	return 1;
145	root	1.4	}
146	elmex	1.1
147	root	1.32	static void
148	root	1.6	place_fountain_with_specials (maptile *map)
149	root	1.4	{
150			int ix, iy, i = -1, tries = 0;
151	root	1.6	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
152	root	1.18
153			if (!fountain_style)
154	root	1.19	{
155	pippijn	1.20	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
156	root	1.19	return;
157			}
158	root	1.18
159	root	1.32	object *fountain = archetype::get (shstr_fountain);
160			object *potion = fountain_style->pick_random_object (rmg_rndm)->clone ();
161	root	1.4
162			while (i < 0 && tries < 10)
163			{
164	root	1.32	ix = rmg_rndm (map->width - 2) + 1;
165			iy = rmg_rndm (map->height - 2) + 1;
166	root	1.15	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
167	root	1.4	tries++;
168	root	1.8	}
169
170	root	1.4	if (i == -1)
171			{ /* can't place fountain */
172	root	1.34	fountain->destroy (true);
173			potion->destroy (true);
174	root	1.4	return;
175			}
176	root	1.8
177	elmex	1.1	ix += freearr_x[i];
178			iy += freearr_y[i];
179	root	1.4	potion->face = fountain->face;
180			SET_FLAG (potion, FLAG_NO_PICK);
181			SET_FLAG (potion, FLAG_IDENTIFIED);
182	root	1.3	potion->name = potion->name_pl = "fountain";
183	elmex	1.1	potion->x = ix;
184			potion->y = iy;
185	root	1.21	potion->materialname = "adamantium";
186	elmex	1.1	fountain->x = ix;
187			fountain->y = iy;
188	root	1.4	insert_ob_in_map (fountain, map, NULL, 0);
189			insert_ob_in_map (potion, map, NULL, 0);
190	elmex	1.1	}
191
192	root	1.32	static void
193	root	1.12	place_special_exit (maptile map, int hole_type, random_map_params RP)
194	root	1.4	{
195			int ix, iy, i = -1;
196	root	1.23	char buf[16384];
197			const char style, decor, *mon;
198	root	1.6	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
199	root	1.4	int g_xsize, g_ysize;
200
201	root	1.18	if (!exit_style)
202	root	1.19	{
203	root	1.28	LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
204	root	1.19	return;
205			}
206	root	1.18
207	root	1.4	if (!exit_style)
208			return;
209
210	root	1.32	object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();
211	root	1.4
212	root	1.25	// put an upper bound here, just in case
213			for (int repeat = 8192; --repeat; )
214	root	1.4	{
215	root	1.33	ix = rmg_rndm (1, map->width - 2);
216			iy = rmg_rndm (1, map->height - 2);
217	root	1.25
218	root	1.15	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
219	root	1.25	if (i >= 0)
220			{
221			ix += freearr_x[i];
222			iy += freearr_y[i];
223			break;
224			}
225	elmex	1.1	}
226	root	1.4
227			the_exit->x = ix;
228			the_exit->y = iy;
229
230			if (!hole_type)
231	root	1.32	hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;
232	root	1.4
233			switch (hole_type)
234			{
235	root	1.12	case GLORY_HOLE: /* treasures */
236			{
237	root	1.32	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
238			g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
239	root	1.12	style = "onion";
240			decor = "wealth2";
241			mon = "none";
242			break;
243			}
244	root	1.4
245	root	1.12	case ORC_ZONE: /* hole with orcs in it. */
246			{
247	root	1.32	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
248			g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
249	root	1.12	style = "onion";
250			decor = "wealth2";
251			mon = "orc";
252			break;
253			}
254	root	1.4
255	root	1.12	case MINING_ZONE: /* hole with orcs in it. */
256			{
257	root	1.32	g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
258			g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4;
259	root	1.12	style = "maze";
260			decor = "minerals2";
261			mon = "none";
262			break;
263			}
264	root	1.4
265	root	1.12	default: /* undefined */
266			LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
267			return;
268			break;
269	elmex	1.1	}
270
271	root	1.4	/* Need to be at least this size, otherwise the load
272			* code will generate new size values which are too large.
273			*/
274	root	1.27	if (g_xsize < MIN_RANDOM_MAP_SIZE) g_xsize = MIN_RANDOM_MAP_SIZE;
275			if (g_ysize < MIN_RANDOM_MAP_SIZE) g_ysize = MIN_RANDOM_MAP_SIZE;
276	root	1.4
277			write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
278			"none", style, decor, "none", RP->exitstyle, 0, 0, 0,
279	root	1.11	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
280	root	1.4	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
281			the_exit->slaying = "/!";
282			the_exit->msg = buf;
283	elmex	1.1
284	root	1.4	insert_ob_in_map (the_exit, map, NULL, 0);
285	elmex	1.1	}
286	root	1.4
287			void
288	root	1.12	place_specials_in_map (maptile map, char layout, random_map_params RP)
289	root	1.4	{
290	root	1.32	switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
291	root	1.4	{
292	root	1.19	case SPECIAL_SUBMAP:
293	root	1.32	{
294			/* includes a special map into the random map being made. */
295			maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
296
297			if (!special_map)
298			break;
299	root	1.4
300	root	1.32	int ix, iy; /* map insertion locatons */
301	root	1.19
302	root	1.32	if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
303			{
304			/* First, splatter everything in the dest map at the location */
305			nuke_map_region (map, layout, ix, iy, special_map->width, special_map->height);
306			include_map_in_map (map, special_map, ix, iy);
307			}
308			}
309	root	1.12
310	root	1.19	break;
311	root	1.4
312	root	1.19	case SPECIAL_FOUNTAIN:
313	root	1.12	/* Make a special fountain: an unpickable potion disguised as
314			a fountain, or rather, colocated with a fountain. */
315	root	1.19	place_fountain_with_specials (map);
316			break;
317	root	1.4
318	root	1.19	case SPECIAL_EXIT:
319	root	1.12	/* Make an exit to another random map, e.g. a gloryhole. */
320	root	1.19	place_special_exit (map, 0, RP);
321			break;
322	root	1.4	}
323	root	1.27	}
324	elmex	1.1