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 (tmp->flag [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 = rmg_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;
  potion->set_flag (FLAG_NO_PICK);
  potion->set_flag (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)
{
  maptile *exit_style = find_style ("/styles/misc", "obscure_exits", RP->difficulty);
  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; )
    {
      int ix = rmg_rndm (1, map->width  - 2);
      int iy = rmg_rndm (1, map->height - 2);

      int i = rmg_find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
      if (i >= 0)
        {
          the_exit->x = ix + freearr_x[i];
          the_exit->y = iy + freearr_y[i];
          break;
        }
    }

  if (!hole_type)
    hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;

  const char *style, *decor, *mon;
  int g_xsize, g_ysize;

  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 = "special_wealth";
          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 = "special_wealth";
          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;
    }

  /* Need to be at least this size, otherwise the load
   * code will generate new size values which are too large.
   */
  max_it (g_xsize, MIN_RANDOM_MAP_SIZE);
  max_it (g_ysize, MIN_RANDOM_MAP_SIZE);

  dynbuf_text buf;

  {
    random_map_params &rp = *new random_map_params; // for zero_intiialised to work...

    //TODO: deep copy
    rp.hv                  = (HV *)SvREFCNT_inc_NN ((SV *)RP->hv);

    rp.xsize               = g_xsize;
    rp.ysize               = g_ysize;

    assign (rp.monsterstyle , mon);
    assign (rp.treasurestyle, "none");
    assign (rp.layoutstyle  , style);
    assign (rp.decorstyle   , decor);

    rp.layoutoptions1      = RMOPT_WALLS_ONLY;
    rp.symmetry            = SYMMETRY_NONE;
    rp.dungeon_depth       = RP->dungeon_level;
    rp.dungeon_level       = RP->dungeon_level;
    rp.difficulty          = RP->difficulty;
    rp.difficulty_given    = RP->difficulty;
    rp.difficulty_increase = RP->difficulty_increase;
    rp.decoroptions        = -1;
    rp.orientation         =  1;
    rp.random_seed         = RP->random_seed + 0xdeadbeef;
    rp.region              = RP->region;

    write_map_parameters_to_string (buf, &rp);
    delete &rp;
  }

  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, true);

          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:	1.50
Committed:	Sat Jun 26 22:10:18 2010 UTC (14 years ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.49:	+6 -5 lines
Log Message:	* empty log message *
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008,2009,2010 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 (tmp->flag [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 = rmg_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	potion->set_flag (FLAG_NO_PICK);
182	potion->set_flag (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	maptile *exit_style = find_style ("/styles/misc", "obscure_exits", RP->difficulty);
197	if (!exit_style)
198	{
199	LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
200	return;
201	}
202
203	if (!exit_style)
204	return;
205
206	object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();
207
208	// put an upper bound here, just in case
209	for (int repeat = 8192; --repeat; )
210	{
211	int ix = rmg_rndm (1, map->width - 2);
212	int iy = rmg_rndm (1, map->height - 2);
213
214	int i = rmg_find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
215	if (i >= 0)
216	{
217	the_exit->x = ix + freearr_x[i];
218	the_exit->y = iy + freearr_y[i];
219	break;
220	}
221	}
222
223	if (!hole_type)
224	hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;
225
226	const char style, decor, *mon;
227	int g_xsize, g_ysize;
228
229	switch (hole_type)
230	{
231	case GLORY_HOLE: /* treasures */
232	{
233	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
234	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
235	style = "onion";
236	decor = "special_wealth";
237	mon = "none";
238	break;
239	}
240
241	case ORC_ZONE: /* hole with orcs in it. */
242	{
243	g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
244	g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
245	style = "onion";
246	decor = "special_wealth";
247	mon = "orc";
248	break;
249	}
250
251	case MINING_ZONE: /* hole with orcs in it. */
252	{
253	g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
254	g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4;
255	style = "maze";
256	decor = "minerals2";
257	mon = "none";
258	break;
259	}
260
261	default: /* undefined */
262	LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
263	return;
264	}
265
266	/* Need to be at least this size, otherwise the load
267	* code will generate new size values which are too large.
268	*/
269	max_it (g_xsize, MIN_RANDOM_MAP_SIZE);
270	max_it (g_ysize, MIN_RANDOM_MAP_SIZE);
271
272	dynbuf_text buf;
273
274	{
275	random_map_params &rp = *new random_map_params; // for zero_intiialised to work...
276
277	//TODO: deep copy
278	rp.hv = (HV )SvREFCNT_inc_NN ((SV )RP->hv);
279
280	rp.xsize = g_xsize;
281	rp.ysize = g_ysize;
282
283	assign (rp.monsterstyle , mon);
284	assign (rp.treasurestyle, "none");
285	assign (rp.layoutstyle , style);
286	assign (rp.decorstyle , decor);
287
288	rp.layoutoptions1 = RMOPT_WALLS_ONLY;
289	rp.symmetry = SYMMETRY_NONE;
290	rp.dungeon_depth = RP->dungeon_level;
291	rp.dungeon_level = RP->dungeon_level;
292	rp.difficulty = RP->difficulty;
293	rp.difficulty_given = RP->difficulty;
294	rp.difficulty_increase = RP->difficulty_increase;
295	rp.decoroptions = -1;
296	rp.orientation = 1;
297	rp.random_seed = RP->random_seed + 0xdeadbeef;
298	rp.region = RP->region;
299
300	write_map_parameters_to_string (buf, &rp);
301	delete &rp;
302	}
303
304	the_exit->slaying = shstr_random_map_exit;
305	the_exit->msg = buf;
306
307	insert_ob_in_map (the_exit, map, NULL, 0);
308	}
309
310	void
311	place_specials_in_map (maptile map, char layout, random_map_params RP)
312	{
313	switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
314	{
315	case SPECIAL_SUBMAP:
316	{
317	/* includes a special map into the random map being made. */
318	maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty, true);
319
320	if (!special_map)
321	break;
322
323	int ix, iy; /* map insertion locatons */
324
325	if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
326	{
327	/* First, splatter everything in the dest map at the location */
328	nuke_map_region (map, layout, ix, iy, special_map->width, special_map->height);
329	include_map_in_map (map, special_map, ix, iy);
330	}
331	}
332
333	break;
334
335	case SPECIAL_FOUNTAIN:
336	/* Make a special fountain: an unpickable potion disguised as
337	a fountain, or rather, colocated with a fountain. */
338	place_fountain_with_specials (map);
339	break;
340
341	case SPECIAL_EXIT:
342	/* Make an exit to another random map, e.g. a gloryhole. */
343	place_special_exit (map, 0, RP);
344	break;
345	}
346	}
347