server/random_maps/special.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify it under
 * the terms of the Affero 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 Affero GNU General Public License
 * and 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 = shstr_fountain;
  potion->x = ix;
  potion->y = iy;
  potion->material = name_to_material (shstr_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 = shstr_random_map_exit;
  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:	1.41
Committed:	Fri Mar 26 01:04:44 2010 UTC (14 years, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.40:	+1 -1 lines
Log Message:	update copyright for up to 2010
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* the terms of the Affero GNU General Public License as published by the
10	* Free Software Foundation, either version 3 of the License, or (at your
11	* 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 Affero GNU General Public License
19	* and the GNU General Public License along with this program. If not, see
20	* <http://www.gnu.org/licenses/>.
21	*
22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/
24
25	/* Specials in this file:
26	included maps */
27
28	#include <global.h>
29	#include <random_map.h>
30	#include <rproto.h>
31
32	#define NUM_OF_SPECIAL_TYPES 4
33	#define NO_SPECIAL 0
34	#define SPECIAL_SUBMAP 1
35	#define SPECIAL_FOUNTAIN 2
36	#define SPECIAL_EXIT 3
37
38	#define GLORY_HOLE 1
39	#define ORC_ZONE 2
40	#define MINING_ZONE 3
41	#define NR_OF_HOLE_TYPES 3
42
43	/* clear map completely of all !floor objects:
44	* a rectangular area of xsize, ysize
45	* is cleared with the top left corner at xstart, ystart
46	*/
47	static void
48	nuke_map_region (maptile map, char *layout, int xstart, int ystart, int xsize, int ysize)
49	{
50	for (int i = xstart; i < xstart + xsize; i++)
51	for (int j = ystart; j < ystart + ysize; j++)
52	{
53	layout[i][j] = 'S';
54
55	for (object *tmp = map->at (i, j).bot; tmp; )
56	if (tmp->flag [FLAG_IS_FLOOR])
57	tmp = tmp->above;
58	else
59	{
60	object *head = tmp->head_ ();
61	tmp = tmp->above;
62	head->destroy ();
63	}
64	}
65	}
66
67	/* copy in_map into dest_map at point x,y */
68	static void
69	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
70	{
71	for (int i = 0; i < in_map->width; i++)
72	for (int j = 0; j < in_map->height; j++)
73	for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above)
74	{
75	/* don't copy tails: must be dealt with specially. */
76	if (!tmp->is_head ())
77	continue;
78
79	object *new_ob = tmp->deep_clone ();
80
81	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
82	new_ob->add_link (dest_map, tmp->find_link ()->id);
83
84	dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE \| INS_NO_WALK_ON);
85	}
86	}
87
88	static int
89	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
90	{
91	int blocked, i, j;
92
93	/* don't even try to place a submap into a map if the big map isn't
94	sufficiently large. */
95	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
96	return 0;
97
98	/* search a bit for a completely free spot. */
99	for (int tries = 0; tries < 20; tries++)
100	{
101	blocked = 0;
102
103	/* pick a random location in the layout */
104	i = rmg_rndm (1, map->width - xsize - 2);
105	j = rmg_rndm (1, map->height - ysize - 2);
106
107	for (int l = i; l < i + xsize; l++)
108	for (int m = j; m < j + ysize; m++)
109	{
110	blocked = 1;
111	break;
112	}
113
114	if (!blocked)
115	break;
116	}
117
118	/* if we failed, relax the restrictions */
119	if (blocked)
120	{ /* failure, try a relaxed placer. */
121	/* pick a random location in the layout */
122	for (int tries = 0; tries < 10; tries++)
123	{
124	i = rmg_rndm (1, map->width - xsize - 2);
125	j = rmg_rndm (1, map->height - ysize - 2);
126
127	blocked = 0;
128
129	for (int l = i; l < i + xsize; l++)
130	for (int m = j; m < j + ysize; m++)
131	if (layout[l][m] != '#' && layout[l][m] != 'D' && layout[l][m] != 0)
132	{
133	blocked = 1;
134	break;
135	}
136	}
137	}
138
139	if (blocked)
140	return 0;
141
142	*ix = i;
143	*iy = j;
144
145	return 1;
146	}
147
148	static void
149	place_fountain_with_specials (maptile *map)
150	{
151	int ix, iy, i = -1, tries = 0;
152	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
153
154	if (!fountain_style)
155	{
156	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
157	return;
158	}
159
160	object *fountain = archetype::get (shstr_fountain);
161	object *potion = fountain_style->pick_random_object (rmg_rndm)->clone ();
162
163	while (i < 0 && tries < 10)
164	{
165	ix = rmg_rndm (map->width - 2) + 1;
166	iy = rmg_rndm (map->height - 2) + 1;
167	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
168	tries++;
169	}
170
171	if (i == -1)
172	{ /* can't place fountain */
173	fountain->destroy ();
174	potion->destroy ();
175	return;
176	}
177
178	ix += freearr_x[i];
179	iy += freearr_y[i];
180	potion->face = fountain->face;
181	SET_FLAG (potion, FLAG_NO_PICK);
182	SET_FLAG (potion, FLAG_IDENTIFIED);
183	potion->name = potion->name_pl = shstr_fountain;
184	potion->x = ix;
185	potion->y = iy;
186	potion->material = name_to_material (shstr_adamantium);
187	fountain->x = ix;
188	fountain->y = iy;
189	insert_ob_in_map (fountain, map, NULL, 0);
190	insert_ob_in_map (potion, map, NULL, 0);
191	}
192
193	static void
194	place_special_exit (maptile map, int hole_type, random_map_params RP)
195	{
196	int ix, iy, i = -1;
197	char buf[16384];
198	const char style, decor, *mon;
199	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
200	int g_xsize, g_ysize;
201
202	if (!exit_style)
203	{
204	LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
205	return;
206	}
207
208	if (!exit_style)
209	return;
210
211	object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();
212
213	// put an upper bound here, just in case
214	for (int repeat = 8192; --repeat; )
215	{
216	ix = rmg_rndm (1, map->width - 2);
217	iy = rmg_rndm (1, map->height - 2);
218
219	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
220	if (i >= 0)
221	{
222	ix += freearr_x[i];
223	iy += freearr_y[i];
224	break;
225	}
226	}
227
228	the_exit->x = ix;
229	the_exit->y = iy;
230
231	if (!hole_type)
232	hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;
233
234	switch (hole_type)
235	{
236	case GLORY_HOLE: /* treasures */
237	{
238	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
239	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
240	style = "onion";
241	decor = "wealth2";
242	mon = "none";
243	break;
244	}
245
246	case ORC_ZONE: /* hole with orcs in it. */
247	{
248	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
249	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
250	style = "onion";
251	decor = "wealth2";
252	mon = "orc";
253	break;
254	}
255
256	case MINING_ZONE: /* hole with orcs in it. */
257	{
258	g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
259	g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4;
260	style = "maze";
261	decor = "minerals2";
262	mon = "none";
263	break;
264	}
265
266	default: /* undefined */
267	LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
268	return;
269	break;
270	}
271
272	/* Need to be at least this size, otherwise the load
273	* code will generate new size values which are too large.
274	*/
275	if (g_xsize < MIN_RANDOM_MAP_SIZE) g_xsize = MIN_RANDOM_MAP_SIZE;
276	if (g_ysize < MIN_RANDOM_MAP_SIZE) g_ysize = MIN_RANDOM_MAP_SIZE;
277
278	write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
279	"none", style, decor, "none", RP->exitstyle, 0, 0, 0,
280	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
281	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
282	the_exit->slaying = shstr_random_map_exit;
283	the_exit->msg = buf;
284
285	insert_ob_in_map (the_exit, map, NULL, 0);
286	}
287
288	void
289	place_specials_in_map (maptile map, char layout, random_map_params RP)
290	{
291	switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
292	{
293	case SPECIAL_SUBMAP:
294	{
295	/* includes a special map into the random map being made. */
296	maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
297
298	if (!special_map)
299	break;
300
301	int ix, iy; /* map insertion locatons */
302
303	if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
304	{
305	/* First, splatter everything in the dest map at the location */
306	nuke_map_region (map, layout, ix, iy, special_map->width, special_map->height);
307	include_map_in_map (map, special_map, ix, iy);
308	}
309	}
310
311	break;
312
313	case SPECIAL_FOUNTAIN:
314	/* Make a special fountain: an unpickable potion disguised as
315	a fountain, or rather, colocated with a fountain. */
316	place_fountain_with_specials (map);
317	break;
318
319	case SPECIAL_EXIT:
320	/* Make an exit to another random map, e.g. a gloryhole. */
321	place_special_exit (map, 0, RP);
322	break;
323	}
324	}
325