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 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 = rndm (map->width  - xsize - 2) + 1;
      j = rndm (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 = rndm (map->width  - xsize - 2) + 1;
          j = rndm (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);

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

  object *fountain = get_archetype ("fountain");
  object *potion = object::create ();

  fountain_style->pick_random_object ()->copy_to (potion);

  while (i < 0 && tries < 10)
    {
      ix = rndm (map->width  - 2) + 1;
      iy = 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);
}

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, "unabel to load stylemap /styles/misc obscure_exits\n");
      return;
    }

  object *the_exit = object::create ();

  if (!exit_style)
    return;

  exit_style->pick_random_object ()->copy_to (the_exit);

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

      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 = rndm (NR_OF_HOLE_TYPES) + 1;

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

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

      case MINING_ZONE:        /* hole with orcs in it. */
        {
          g_xsize = rndm (9) + 4 + RP->difficulty / 4;
          g_ysize = 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)
{
  maptile *special_map;
  int ix, iy;                   /* map insertion locatons */
  int special_type;             /* type of special to make */

  special_type = rndm (NUM_OF_SPECIAL_TYPES);

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

        if (!special_map)
          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;

      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:	1.27
Committed:	Fri Apr 11 21:09:53 2008 UTC (16 years, 2 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.26:	+6 -12 lines
Log Message:	* empty log message *
#	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 objects: a rectangular area of xsize, ysize
43	is cleared with the top left corner at xstart, ystart */
44
45	void
46	nuke_map_region (maptile *map, int xstart, int ystart, int xsize, int ysize)
47	{
48	int i, j;
49	object *tmp;
50
51	for (i = xstart; i < xstart + xsize; i++)
52	for (j = ystart; j < ystart + ysize; j++)
53	{
54	for (tmp = GET_MAP_OB (map, i, j); tmp != NULL; tmp = tmp->above)
55	{
56	if (!QUERY_FLAG (tmp, FLAG_IS_FLOOR))
57	{
58	if (tmp->head)
59	tmp = tmp->head;
60	tmp->remove ();
61	tmp->destroy ();
62	tmp = GET_MAP_OB (map, i, j);
63	}
64	if (tmp == NULL)
65	break;
66	}
67	}
68	}
69
70	/* copy in_map into dest_map at point x,y */
71	void
72	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
73	{
74	int i, j;
75	object *tmp;
76	object *new_ob;
77
78	/* First, splatter everything in the dest map at the location */
79	nuke_map_region (dest_map, x, y, in_map->width, in_map->height);
80
81	for (i = 0; i < in_map->width; i++)
82	for (j = 0; j < in_map->height; j++)
83	{
84	for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above)
85	{
86	/* don't copy things with multiple squares: must be dealt with
87	specially. */
88	if (tmp->head != NULL)
89	continue;
90	new_ob = arch_to_object (tmp->arch);
91	copy_object_with_inv (tmp, new_ob);
92	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
93	add_button_link (new_ob, dest_map, tmp->path_attuned);
94	new_ob->x = i + x;
95	new_ob->y = j + y;
96	insert_multisquare_ob_in_map (new_ob, dest_map);
97	}
98	}
99	}
100
101	int
102	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
103	{
104	int tries;
105	int i = 0, j = 0; /* initialization may not be needed but prevents compiler warnings */
106	int is_occupied = 0;
107	int l, m;
108
109	/* don't even try to place a submap into a map if the big map isn't
110	sufficiently large. */
111	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
112	return 0;
113
114	/* search a bit for a completely free spot. */
115	for (tries = 0; tries < 20; tries++)
116	{
117	/* pick a random location in the layout */
118	i = rndm (map->width - xsize - 2) + 1;
119	j = rndm (map->height - ysize - 2) + 1;
120	is_occupied = 0;
121	for (l = i; l < i + xsize; l++)
122	for (m = j; m < j + ysize; m++)
123	is_occupied \|= layout[l][m];
124	if (!is_occupied)
125	break;
126	}
127
128
129	/* if we failed, relax the restrictions */
130
131	if (is_occupied)
132	{ /* failure, try a relaxed placer. */
133	/* pick a random location in the layout */
134	for (tries = 0; tries < 10; tries++)
135	{
136	i = rndm (map->width - xsize - 2) + 1;
137	j = rndm (map->height - ysize - 2) + 1;
138	is_occupied = 0;
139	for (l = i; l < i + xsize; l++)
140	for (m = j; m < j + ysize; m++)
141	if (layout[l][m] == 'C' \|\| layout[l][m] == '>' \|\| layout[l][m] == '<')
142	is_occupied \|= 1;
143	}
144	}
145
146	if (is_occupied)
147	return 0;
148
149	*ix = i;
150	*iy = j;
151	return 1;
152	}
153
154	void
155	place_fountain_with_specials (maptile *map)
156	{
157	int ix, iy, i = -1, tries = 0;
158	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
159
160	if (!fountain_style)
161	{
162	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
163	return;
164	}
165
166	object *fountain = get_archetype ("fountain");
167	object *potion = object::create ();
168
169	fountain_style->pick_random_object ()->copy_to (potion);
170
171	while (i < 0 && tries < 10)
172	{
173	ix = rndm (map->width - 2) + 1;
174	iy = rndm (map->height - 2) + 1;
175	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
176	tries++;
177	}
178
179	if (i == -1)
180	{ /* can't place fountain */
181	fountain->destroy ();
182	potion->destroy ();
183	return;
184	}
185
186	ix += freearr_x[i];
187	iy += freearr_y[i];
188	potion->face = fountain->face;
189	SET_FLAG (potion, FLAG_NO_PICK);
190	SET_FLAG (potion, FLAG_IDENTIFIED);
191	potion->name = potion->name_pl = "fountain";
192	potion->x = ix;
193	potion->y = iy;
194	potion->materialname = "adamantium";
195	fountain->x = ix;
196	fountain->y = iy;
197	insert_ob_in_map (fountain, map, NULL, 0);
198	insert_ob_in_map (potion, map, NULL, 0);
199	}
200
201	void
202	place_special_exit (maptile map, int hole_type, random_map_params RP)
203	{
204	int ix, iy, i = -1;
205	char buf[16384];
206	const char style, decor, *mon;
207	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
208	int g_xsize, g_ysize;
209
210	if (!exit_style)
211	{
212	LOG (llevError, "unabel to load stylemap /styles/misc obscure_exits\n");
213	return;
214	}
215
216	object *the_exit = object::create ();
217
218	if (!exit_style)
219	return;
220
221	exit_style->pick_random_object ()->copy_to (the_exit);
222
223	// put an upper bound here, just in case
224	for (int repeat = 8192; --repeat; )
225	{
226	ix = rndm (map->width - 2) + 1;
227	iy = rndm (map->height - 2) + 1;
228
229	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
230	if (i >= 0)
231	{
232	ix += freearr_x[i];
233	iy += freearr_y[i];
234	break;
235	}
236	}
237
238	the_exit->x = ix;
239	the_exit->y = iy;
240
241	if (!hole_type)
242	hole_type = rndm (NR_OF_HOLE_TYPES) + 1;
243
244	switch (hole_type)
245	{
246	case GLORY_HOLE: /* treasures */
247	{
248	g_xsize = rndm (3) + 4 + RP->difficulty / 4;
249	g_ysize = rndm (3) + 4 + RP->difficulty / 4;
250	style = "onion";
251	decor = "wealth2";
252	mon = "none";
253	break;
254	}
255
256	case ORC_ZONE: /* hole with orcs in it. */
257	{
258	g_xsize = rndm (3) + 4 + RP->difficulty / 4;
259	g_ysize = rndm (3) + 4 + RP->difficulty / 4;
260	style = "onion";
261	decor = "wealth2";
262	mon = "orc";
263	break;
264	}
265
266	case MINING_ZONE: /* hole with orcs in it. */
267	{
268	g_xsize = rndm (9) + 4 + RP->difficulty / 4;
269	g_ysize = rndm (9) + 4 + RP->difficulty / 4;
270	style = "maze";
271	decor = "minerals2";
272	mon = "none";
273	break;
274	}
275
276	default: /* undefined */
277	LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
278	return;
279	break;
280	}
281
282	/* Need to be at least this size, otherwise the load
283	* code will generate new size values which are too large.
284	*/
285	if (g_xsize < MIN_RANDOM_MAP_SIZE) g_xsize = MIN_RANDOM_MAP_SIZE;
286	if (g_ysize < MIN_RANDOM_MAP_SIZE) g_ysize = MIN_RANDOM_MAP_SIZE;
287
288	write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
289	"none", style, decor, "none", RP->exitstyle, 0, 0, 0,
290	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
291	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
292	the_exit->slaying = "/!";
293	the_exit->msg = buf;
294
295	insert_ob_in_map (the_exit, map, NULL, 0);
296	}
297
298	void
299	place_specials_in_map (maptile map, char layout, random_map_params RP)
300	{
301	maptile *special_map;
302	int ix, iy; /* map insertion locatons */
303	int special_type; /* type of special to make */
304
305	special_type = rndm (NUM_OF_SPECIAL_TYPES);
306
307	switch (special_type)
308	{
309	case SPECIAL_SUBMAP:
310	/* includes a special map into the random map being made. */
311	special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
312
313	if (!special_map)
314	return;
315
316	if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
317	include_map_in_map (map, special_map, ix, iy);
318
319	break;
320
321	case SPECIAL_FOUNTAIN:
322	/* Make a special fountain: an unpickable potion disguised as
323	a fountain, or rather, colocated with a fountain. */
324	place_fountain_with_specials (map);
325	break;
326
327	case SPECIAL_EXIT:
328	/* Make an exit to another random map, e.g. a gloryhole. */
329	place_special_exit (map, 0, RP);
330	break;
331	}
332	}
333