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)
{
  /* First, splatter everything in the dest map at the location */
  nuke_map_region (dest_map, x, y, in_map->width, in_map->height);

  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 things with multiple squares:  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);
        }
}

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

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

  if (!exit_style)
    return;

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

  // 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:	1.31
Committed:	Sun May 4 08:25:33 2008 UTC (18 years, 4 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.30:	+2 -4 lines
Log Message:	rewrite objetc_create_clone to deep_clone and fix randfom map generator bug
#	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	elmex	1.1	/* First, splatter everything in the dest map at the location */
75	root	1.10	nuke_map_region (dest_map, x, y, in_map->width, in_map->height);
76	root	1.4
77	root	1.30	for (int i = 0; i < in_map->width; i++)
78			for (int j = 0; j < in_map->height; j++)
79			for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above)
80			{
81			/* don't copy things with multiple squares: must be dealt with
82			specially. */
83			if (!tmp->is_head ())
84			continue;
85
86	root	1.31	object *new_ob = tmp->deep_clone ();
87	root	1.30
88			if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
89			add_button_link (new_ob, dest_map, tmp->path_attuned);
90
91	root	1.31	dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE \| INS_NO_WALK_ON);
92	root	1.30	}
93	elmex	1.1	}
94
95	root	1.4	int
96	root	1.6	find_spot_for_submap (maptile map, char layout, int ix, int *iy, int xsize, int ysize)
97	root	1.4	{
98	elmex	1.1	int tries;
99	root	1.4	int i = 0, j = 0; /* initialization may not be needed but prevents compiler warnings */
100			int is_occupied = 0;
101			int l, m;
102
103	elmex	1.1	/* don't even try to place a submap into a map if the big map isn't
104			sufficiently large. */
105	root	1.10	if (2 * xsize > map->width \|\| 2 * ysize > map->height)
106	root	1.4	return 0;
107
108	elmex	1.1	/* search a bit for a completely free spot. */
109	root	1.4	for (tries = 0; tries < 20; tries++)
110			{
111			/* pick a random location in the layout */
112	root	1.19	i = rndm (map->width - xsize - 2) + 1;
113			j = rndm (map->height - ysize - 2) + 1;
114	root	1.4	is_occupied = 0;
115			for (l = i; l < i + xsize; l++)
116			for (m = j; m < j + ysize; m++)
117			is_occupied \|= layout[l][m];
118			if (!is_occupied)
119			break;
120			}
121
122	elmex	1.1
123			/* if we failed, relax the restrictions */
124	root	1.4
125			if (is_occupied)
126			{ /* failure, try a relaxed placer. */
127			/* pick a random location in the layout */
128			for (tries = 0; tries < 10; tries++)
129			{
130	root	1.19	i = rndm (map->width - xsize - 2) + 1;
131			j = rndm (map->height - ysize - 2) + 1;
132	root	1.4	is_occupied = 0;
133			for (l = i; l < i + xsize; l++)
134			for (m = j; m < j + ysize; m++)
135			if (layout[l][m] == 'C' \|\| layout[l][m] == '>' \|\| layout[l][m] == '<')
136			is_occupied \|= 1;
137			}
138	elmex	1.1	}
139	root	1.27
140	root	1.4	if (is_occupied)
141			return 0;
142	root	1.27
143	root	1.4	*ix = i;
144			*iy = j;
145	elmex	1.1	return 1;
146	root	1.4	}
147	elmex	1.1
148	root	1.4	void
149	root	1.6	place_fountain_with_specials (maptile *map)
150	root	1.4	{
151			int ix, iy, i = -1, tries = 0;
152	root	1.6	maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
153	root	1.18
154			if (!fountain_style)
155	root	1.19	{
156	pippijn	1.20	LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
157	root	1.19	return;
158			}
159	root	1.18
160	root	1.29	object *fountain = archetype::get ("fountain");
161			object *potion = fountain_style->pick_random_object ()->clone ();
162	root	1.4
163			while (i < 0 && tries < 10)
164			{
165	root	1.19	ix = rndm (map->width - 2) + 1;
166			iy = rndm (map->height - 2) + 1;
167	root	1.15	i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
168	root	1.4	tries++;
169	root	1.8	}
170
171	root	1.4	if (i == -1)
172			{ /* can't place fountain */
173	root	1.8	fountain->destroy ();
174			potion->destroy ();
175	root	1.4	return;
176			}
177	root	1.8
178	elmex	1.1	ix += freearr_x[i];
179			iy += freearr_y[i];
180	root	1.4	potion->face = fountain->face;
181			SET_FLAG (potion, FLAG_NO_PICK);
182			SET_FLAG (potion, FLAG_IDENTIFIED);
183	root	1.3	potion->name = potion->name_pl = "fountain";
184	elmex	1.1	potion->x = ix;
185			potion->y = iy;
186	root	1.21	potion->materialname = "adamantium";
187	elmex	1.1	fountain->x = ix;
188			fountain->y = iy;
189	root	1.4	insert_ob_in_map (fountain, map, NULL, 0);
190			insert_ob_in_map (potion, map, NULL, 0);
191	elmex	1.1	}
192
193	root	1.4	void
194	root	1.12	place_special_exit (maptile map, int hole_type, random_map_params RP)
195	root	1.4	{
196			int ix, iy, i = -1;
197	root	1.23	char buf[16384];
198			const char style, decor, *mon;
199	root	1.6	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
200	root	1.4	int g_xsize, g_ysize;
201
202	root	1.18	if (!exit_style)
203	root	1.19	{
204	root	1.28	LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
205	root	1.19	return;
206			}
207	root	1.18
208	root	1.4	if (!exit_style)
209			return;
210
211	root	1.29	object *the_exit = exit_style->pick_random_object ()->clone ();
212	root	1.4
213	root	1.25	// put an upper bound here, just in case
214			for (int repeat = 8192; --repeat; )
215	root	1.4	{
216	root	1.19	ix = rndm (map->width - 2) + 1;
217			iy = rndm (map->height - 2) + 1;
218	root	1.25
219	root	1.15	i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
220	root	1.25	if (i >= 0)
221			{
222			ix += freearr_x[i];
223			iy += freearr_y[i];
224			break;
225			}
226	elmex	1.1	}
227	root	1.4
228			the_exit->x = ix;
229			the_exit->y = iy;
230
231			if (!hole_type)
232	root	1.19	hole_type = rndm (NR_OF_HOLE_TYPES) + 1;
233	root	1.4
234			switch (hole_type)
235			{
236	root	1.12	case GLORY_HOLE: /* treasures */
237			{
238	root	1.17	g_xsize = rndm (3) + 4 + RP->difficulty / 4;
239			g_ysize = rndm (3) + 4 + RP->difficulty / 4;
240	root	1.12	style = "onion";
241			decor = "wealth2";
242			mon = "none";
243			break;
244			}
245	root	1.4
246	root	1.12	case ORC_ZONE: /* hole with orcs in it. */
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 = "orc";
253			break;
254			}
255	root	1.4
256	root	1.12	case MINING_ZONE: /* hole with orcs in it. */
257			{
258	root	1.17	g_xsize = rndm (9) + 4 + RP->difficulty / 4;
259			g_ysize = rndm (9) + 4 + RP->difficulty / 4;
260	root	1.12	style = "maze";
261			decor = "minerals2";
262			mon = "none";
263			break;
264			}
265	root	1.4
266	root	1.12	default: /* undefined */
267			LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
268			return;
269			break;
270	elmex	1.1	}
271
272	root	1.4	/* Need to be at least this size, otherwise the load
273			* code will generate new size values which are too large.
274			*/
275	root	1.27	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	root	1.4
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	root	1.11	RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
281	root	1.4	RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
282			the_exit->slaying = "/!";
283			the_exit->msg = buf;
284	elmex	1.1
285	root	1.4	insert_ob_in_map (the_exit, map, NULL, 0);
286	elmex	1.1	}
287	root	1.4
288			void
289	root	1.12	place_specials_in_map (maptile map, char layout, random_map_params RP)
290	root	1.4	{
291	root	1.6	maptile *special_map;
292	root	1.4	int ix, iy; /* map insertion locatons */
293			int special_type; /* type of special to make */
294
295	root	1.19	special_type = rndm (NUM_OF_SPECIAL_TYPES);
296	root	1.4
297			switch (special_type)
298			{
299	root	1.19	case SPECIAL_SUBMAP:
300			/* includes a special map into the random map being made. */
301			special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
302	root	1.4
303	root	1.19	if (!special_map)
304			return;
305
306			if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
307			include_map_in_map (map, special_map, ix, iy);
308	root	1.12
309	root	1.19	break;
310	root	1.4
311	root	1.19	case SPECIAL_FOUNTAIN:
312	root	1.12	/* Make a special fountain: an unpickable potion disguised as
313			a fountain, or rather, colocated with a fountain. */
314	root	1.19	place_fountain_with_specials (map);
315			break;
316	root	1.4
317	root	1.19	case SPECIAL_EXIT:
318	root	1.12	/* Make an exit to another random map, e.g. a gloryhole. */
319	root	1.19	place_special_exit (map, 0, RP);
320			break;
321	root	1.4	}
322	root	1.27	}
323	elmex	1.1