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, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.26:	+6 -12 lines
Log Message:	* empty log message *
#	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			/* 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	root	1.4	/* copy in_map into dest_map at point x,y */
71			void
72	root	1.6	include_map_in_map (maptile dest_map, maptile in_map, int x, int y)
73	root	1.4	{
74			int i, j;
75	elmex	1.1	object *tmp;
76			object *new_ob;
77	root	1.4
78	elmex	1.1	/* First, splatter everything in the dest map at the location */
79	root	1.10	nuke_map_region (dest_map, x, y, in_map->width, in_map->height);
80	root	1.4
81	root	1.10	for (i = 0; i < in_map->width; i++)
82			for (j = 0; j < in_map->height; j++)
83	root	1.4	{
84	root	1.9	for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above)
85	root	1.4	{
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	elmex	1.1	}
99			}
100
101	root	1.4	int
102	root	1.6	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
103	root	1.4	{
104	elmex	1.1	int tries;
105	root	1.4	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	elmex	1.1	/* don't even try to place a submap into a map if the big map isn't
110			sufficiently large. */
111	root	1.10	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
112	root	1.4	return 0;
113
114	elmex	1.1	/* search a bit for a completely free spot. */
115	root	1.4	for (tries = 0; tries < 20; tries++)
116			{
117			/* pick a random location in the layout */
118	root	1.19	i = rndm (map->width - xsize - 2) + 1;
119			j = rndm (map->height - ysize - 2) + 1;
120	root	1.4	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	elmex	1.1
129			/* if we failed, relax the restrictions */
130	root	1.4
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	root	1.19	i = rndm (map->width - xsize - 2) + 1;
137			j = rndm (map->height - ysize - 2) + 1;
138	root	1.4	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	elmex	1.1	}
145	root	1.27
146	root	1.4	if (is_occupied)
147			return 0;
148	root	1.27
149	root	1.4	*ix = i;
150			*iy = j;
151	elmex	1.1	return 1;
152	root	1.4	}
153	elmex	1.1
154	root	1.4	void
155	root	1.6	place_fountain_with_specials (maptile *map)
156	root	1.4	{
157			int ix, iy, i = -1, tries = 0;
158	root	1.6	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
159	root	1.18
160			if (!fountain_style)
161	root	1.19	{
162	pippijn	1.20	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
163	root	1.19	return;
164			}
165	root	1.18
166	root	1.4	object *fountain = get_archetype ("fountain");
167	root	1.8	object *potion = object::create ();
168
169	root	1.22	fountain_style->pick_random_object ()->copy_to (potion);
170	root	1.4
171			while (i < 0 && tries < 10)
172			{
173	root	1.19	ix = rndm (map->width - 2) + 1;
174			iy = rndm (map->height - 2) + 1;
175	root	1.15	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
176	root	1.4	tries++;
177	root	1.8	}
178
179	root	1.4	if (i == -1)
180			{ /* can't place fountain */
181	root	1.8	fountain->destroy ();
182			potion->destroy ();
183	root	1.4	return;
184			}
185	root	1.8
186	elmex	1.1	ix += freearr_x[i];
187			iy += freearr_y[i];
188	root	1.4	potion->face = fountain->face;
189			SET_FLAG (potion, FLAG_NO_PICK);
190			SET_FLAG (potion, FLAG_IDENTIFIED);
191	root	1.3	potion->name = potion->name_pl = "fountain";
192	elmex	1.1	potion->x = ix;
193			potion->y = iy;
194	root	1.21	potion->materialname = "adamantium";
195	elmex	1.1	fountain->x = ix;
196			fountain->y = iy;
197	root	1.4	insert_ob_in_map (fountain, map, NULL, 0);
198			insert_ob_in_map (potion, map, NULL, 0);
199	elmex	1.1	}
200
201	root	1.4	void
202	root	1.12	place_special_exit (maptile map, int hole_type, random_map_params RP)
203	root	1.4	{
204			int ix, iy, i = -1;
205	root	1.23	char buf[16384];
206			const char style, decor, *mon;
207	root	1.6	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
208	root	1.4	int g_xsize, g_ysize;
209
210	root	1.18	if (!exit_style)
211	root	1.19	{
212			LOG (llevError, "unabel to load stylemap /styles/misc obscure_exits\n");
213			return;
214			}
215	root	1.18
216	root	1.8	object *the_exit = object::create ();
217	root	1.4
218			if (!exit_style)
219			return;
220
221	root	1.22	exit_style->pick_random_object ()->copy_to (the_exit);
222	root	1.4
223	root	1.25	// put an upper bound here, just in case
224			for (int repeat = 8192; --repeat; )
225	root	1.4	{
226	root	1.19	ix = rndm (map->width - 2) + 1;
227			iy = rndm (map->height - 2) + 1;
228	root	1.25
229	root	1.15	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
230	root	1.25	if (i >= 0)
231			{
232			ix += freearr_x[i];
233			iy += freearr_y[i];
234			break;
235			}
236	elmex	1.1	}
237	root	1.4
238			the_exit->x = ix;
239			the_exit->y = iy;
240
241			if (!hole_type)
242	root	1.19	hole_type = rndm (NR_OF_HOLE_TYPES) + 1;
243	root	1.4
244			switch (hole_type)
245			{
246	root	1.12	case GLORY_HOLE: /* treasures */
247			{
248	root	1.17	g_xsize = rndm (3) + 4 + RP->difficulty / 4;
249			g_ysize = rndm (3) + 4 + RP->difficulty / 4;
250	root	1.12	style = "onion";
251			decor = "wealth2";
252			mon = "none";
253			break;
254			}
255	root	1.4
256	root	1.12	case ORC_ZONE: /* hole with orcs in it. */
257			{
258	root	1.17	g_xsize = rndm (3) + 4 + RP->difficulty / 4;
259			g_ysize = rndm (3) + 4 + RP->difficulty / 4;
260	root	1.12	style = "onion";
261			decor = "wealth2";
262			mon = "orc";
263			break;
264			}
265	root	1.4
266	root	1.12	case MINING_ZONE: /* hole with orcs in it. */
267			{
268	root	1.17	g_xsize = rndm (9) + 4 + RP->difficulty / 4;
269			g_ysize = rndm (9) + 4 + RP->difficulty / 4;
270	root	1.12	style = "maze";
271			decor = "minerals2";
272			mon = "none";
273			break;
274			}
275	root	1.4
276	root	1.12	default: /* undefined */
277			LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
278			return;
279			break;
280	elmex	1.1	}
281
282	root	1.4	/* Need to be at least this size, otherwise the load
283			* code will generate new size values which are too large.
284			*/
285	root	1.27	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	root	1.4
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	root	1.11	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
291	root	1.4	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
292			the_exit->slaying = "/!";
293			the_exit->msg = buf;
294	elmex	1.1
295	root	1.4	insert_ob_in_map (the_exit, map, NULL, 0);
296	elmex	1.1	}
297	root	1.4
298			void
299	root	1.12	place_specials_in_map (maptile map, char layout, random_map_params RP)
300	root	1.4	{
301	root	1.6	maptile *special_map;
302	root	1.4	int ix, iy; /* map insertion locatons */
303			int special_type; /* type of special to make */
304
305	root	1.19	special_type = rndm (NUM_OF_SPECIAL_TYPES);
306	root	1.4
307			switch (special_type)
308			{
309	root	1.19	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	root	1.4
313	root	1.19	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	root	1.12
319	root	1.19	break;
320	root	1.4
321	root	1.19	case SPECIAL_FOUNTAIN:
322	root	1.12	/* Make a special fountain: an unpickable potion disguised as
323			a fountain, or rather, colocated with a fountain. */
324	root	1.19	place_fountain_with_specials (map);
325			break;
326	root	1.4
327	root	1.19	case SPECIAL_EXIT:
328	root	1.12	/* Make an exit to another random map, e.g. a gloryhole. */
329	root	1.19	place_special_exit (map, 0, RP);
330			break;
331	root	1.4	}
332	root	1.27	}
333	elmex	1.1