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 ();
            }
      }
}

/* 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))
            new_ob->add_link (dest_map, tmp->find_link ()->id);

          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 ();
      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->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:	1.36
Committed:	Thu Jan 8 03:03:24 2009 UTC (17 years, 2 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_80, rel-2_76, rel-2_77, rel-2_75, rel-2_79, rel-2_78
Changes since 1.35:	+1 -1 lines
Log Message:	connected => shstr, beginning of mapscript
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or
11	* (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	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*
21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/
23
24	/* Specials in this file:
25	included maps */
26
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 !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	{
49	for (int i = xstart; i < xstart + xsize; i++)
50	for (int j = ystart; j < ystart + ysize; j++)
51	{
52	layout[i][j] = 'S';
53
54	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	head->destroy ();
62	}
63	}
64	}
65
66	/* copy in_map into dest_map at point x,y */
67	static void
68	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
69	{
70	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	/* don't copy tails: must be dealt with specially. */
75	if (!tmp->is_head ())
76	continue;
77
78	object *new_ob = tmp->deep_clone ();
79
80	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
81	new_ob->add_link (dest_map, tmp->find_link ()->id);
82
83	dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE \| INS_NO_WALK_ON);
84	}
85	}
86
87	static int
88	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
89	{
90	int blocked, i, j;
91
92	/* don't even try to place a submap into a map if the big map isn't
93	sufficiently large. */
94	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
95	return 0;
96
97	/* search a bit for a completely free spot. */
98	for (int tries = 0; tries < 20; tries++)
99	{
100	blocked = 0;
101
102	/* pick a random location in the layout */
103	i = rmg_rndm (1, map->width - xsize - 2);
104	j = rmg_rndm (1, map->height - ysize - 2);
105
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	break;
115	}
116
117	/* if we failed, relax the restrictions */
118	if (blocked)
119	{ /* failure, try a relaxed placer. */
120	/* pick a random location in the layout */
121	for (int tries = 0; tries < 10; tries++)
122	{
123	i = rmg_rndm (1, map->width - xsize - 2);
124	j = rmg_rndm (1, map->height - ysize - 2);
125
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	}
136	}
137
138	if (blocked)
139	return 0;
140
141	*ix = i;
142	*iy = j;
143
144	return 1;
145	}
146
147	static void
148	place_fountain_with_specials (maptile *map)
149	{
150	int ix, iy, i = -1, tries = 0;
151	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
152
153	if (!fountain_style)
154	{
155	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
156	return;
157	}
158
159	object *fountain = archetype::get (shstr_fountain);
160	object *potion = fountain_style->pick_random_object (rmg_rndm)->clone ();
161
162	while (i < 0 && tries < 10)
163	{
164	ix = rmg_rndm (map->width - 2) + 1;
165	iy = rmg_rndm (map->height - 2) + 1;
166	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
167	tries++;
168	}
169
170	if (i == -1)
171	{ /* can't place fountain */
172	fountain->destroy ();
173	potion->destroy ();
174	return;
175	}
176
177	ix += freearr_x[i];
178	iy += freearr_y[i];
179	potion->face = fountain->face;
180	SET_FLAG (potion, FLAG_NO_PICK);
181	SET_FLAG (potion, FLAG_IDENTIFIED);
182	potion->name = potion->name_pl = "fountain";
183	potion->x = ix;
184	potion->y = iy;
185	potion->materialname = "adamantium";
186	fountain->x = ix;
187	fountain->y = iy;
188	insert_ob_in_map (fountain, map, NULL, 0);
189	insert_ob_in_map (potion, map, NULL, 0);
190	}
191
192	static void
193	place_special_exit (maptile map, int hole_type, random_map_params RP)
194	{
195	int ix, iy, i = -1;
196	char buf[16384];
197	const char style, decor, *mon;
198	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
199	int g_xsize, g_ysize;
200
201	if (!exit_style)
202	{
203	LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
204	return;
205	}
206
207	if (!exit_style)
208	return;
209
210	object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();
211
212	// put an upper bound here, just in case
213	for (int repeat = 8192; --repeat; )
214	{
215	ix = rmg_rndm (1, map->width - 2);
216	iy = rmg_rndm (1, map->height - 2);
217
218	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
219	if (i >= 0)
220	{
221	ix += freearr_x[i];
222	iy += freearr_y[i];
223	break;
224	}
225	}
226
227	the_exit->x = ix;
228	the_exit->y = iy;
229
230	if (!hole_type)
231	hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;
232
233	switch (hole_type)
234	{
235	case GLORY_HOLE: /* treasures */
236	{
237	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
238	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
239	style = "onion";
240	decor = "wealth2";
241	mon = "none";
242	break;
243	}
244
245	case ORC_ZONE: /* hole with orcs in it. */
246	{
247	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
248	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
249	style = "onion";
250	decor = "wealth2";
251	mon = "orc";
252	break;
253	}
254
255	case MINING_ZONE: /* hole with orcs in it. */
256	{
257	g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
258	g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4;
259	style = "maze";
260	decor = "minerals2";
261	mon = "none";
262	break;
263	}
264
265	default: /* undefined */
266	LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
267	return;
268	break;
269	}
270
271	/* Need to be at least this size, otherwise the load
272	* code will generate new size values which are too large.
273	*/
274	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
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	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
280	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
281	the_exit->slaying = "/!";
282	the_exit->msg = buf;
283
284	insert_ob_in_map (the_exit, map, NULL, 0);
285	}
286
287	void
288	place_specials_in_map (maptile map, char layout, random_map_params RP)
289	{
290	switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
291	{
292	case SPECIAL_SUBMAP:
293	{
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
300	int ix, iy; /* map insertion locatons */
301
302	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
310	break;
311
312	case SPECIAL_FOUNTAIN:
313	/* Make a special fountain: an unpickable potion disguised as
314	a fountain, or rather, colocated with a fountain. */
315	place_fountain_with_specials (map);
316	break;
317
318	case SPECIAL_EXIT:
319	/* Make an exit to another random map, e.g. a gloryhole. */
320	place_special_exit (map, 0, RP);
321	break;
322	}
323	}
324