server/random_maps/random_map.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 (©) 2001 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>
 */

#include <time.h>
#include <stdio.h>
#include <global.h>
#include <random_map.h>
#include <rproto.h>
#include <sproto.h>

#define CEDE coroapi::cede_to_tick ()

noinline SV *
random_map_params::get_sv (const char *option) const
{
  SV **he = hv_fetch (hv, option, strlen (option), 0);

  return he ? *he : 0;
}

noinline const_utf8_string
random_map_params::get_str (const char *option, const_utf8_string fallback) const
{
  SV *sv = get_sv (option);
  return sv ? cfSvPVutf8_nolen (sv) : fallback;
}

noinline IV
random_map_params::get_iv (const char *option, IV fallback) const
{
  SV *sv = get_sv (option);
  return sv ? SvIV (sv) : fallback;
}

noinline UV
random_map_params::get_uv (const char *option, UV fallback) const
{
  SV *sv = get_sv (option);
  return sv ? SvUV (sv) : fallback;
}

noinline NV
random_map_params::get_nv (const char *option, NV fallback) const
{
  SV *sv = get_sv (option);
  return sv ? SvNV (sv) : fallback;
}

noinline void
random_map_params::set (const char *option, SV *value) const
{
  int len = strlen (option);

  if (value)
    hv_store  (hv, option, len, value, 0);
  else
    hv_delete (hv, option, len, G_DISCARD);
}

noinline void
random_map_params::set (const char *option, const_utf8_string value) const
{
  set (option, value && *value ? newSVpvn_utf8 (value, strlen (value), 1) : 0);
}

void
random_map_params::set (const char *option, IV value) const
{
  set (option, newSViv (value));
}

void
random_map_params::set (const char *option, UV value) const
{
  set (option, newSVuv (value));
}

void
random_map_params::set (const char *option, NV value) const
{
  set (option, newSVnv (value));
}

void
random_map_params::hv_clone ()
{
  HV *copy = newHV ();

  hv_iterinit (hv);

  // does not work for utf-8 keys
  while (HE *he = hv_iternext (hv))
    {
      STRLEN klen; const char *key = HePV (he, klen);
      hv_store (copy, key, klen, newSVsv (HeVAL (he)), HeHASH (he));
    }

  SvREFCNT_dec (hv);
  hv = copy;
}

shstr_tmp
random_map_params::as_shstr () const
{
  set ("xsize"              , xsize);
  set ("ysize"              , ysize);
  set ("layoutoptions1"     , layoutoptions1);
  set ("layoutoptions2"     , layoutoptions2);
  set ("layoutoptions3"     , layoutoptions3);
  set ("symmetry"           , symmetry);
  set ("dungeon_depth"      , dungeon_depth);
  set ("orientation"        , orientation);
  set ("random_seed"        , (UV)random_seed);
  set ("difficulty"         , difficulty && difficulty_given ? difficulty : 0);
  set ("difficulty_increase", difficulty_increase);
  set ("dungeon_level"      , dungeon_level);

  dynbuf_text buf;
  hv_iterinit (hv);

  // does not work for utf-8 keys
  while (HE *he = hv_iternext (hv))
    {
      STRLEN klen; const char *key   = HePV (he, klen);
      STRLEN vlen; const char *value = SvPVutf8 (HeVAL (he), vlen);

      buf.fadd (key, klen);
      buf << ' ';
      buf.fadd (value, vlen);
      buf << '\n';
    }

  return shstr (buf);
}

random_map_params::~random_map_params ()
{
  SvREFCNT_dec (hv);
}

bool
maptile::generate_random_map (random_map_params *RP)
{
  RP->Xsize = RP->xsize;
  RP->Ysize = RP->ysize;

  /* pick a random seed, or use the one from the input file */
  RP->random_seed = RP->random_seed
                       ? RP->random_seed + RP->dungeon_level
                       : time (0);

  // we run "single-threaded"
  rmg_rndm.seed (RP->random_seed);

  shstr buf = RP->as_shstr ();

  if (RP->difficulty == 0)
    {
      RP->difficulty = RP->dungeon_level;       /* use this instead of a map difficulty  */

      if (RP->difficulty_increase > 0.001)
        RP->difficulty = (int) ((float) RP->dungeon_level * RP->difficulty_increase);

      if (RP->difficulty < 1)
        RP->difficulty = 1;
    }
  else
    RP->difficulty_given = 1;

  if (RP->Xsize < MIN_RANDOM_MAP_SIZE)
    RP->Xsize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;

  if (RP->Ysize < MIN_RANDOM_MAP_SIZE)
    RP->Ysize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;

  min_it (RP->Xsize, MAX_RANDOM_MAP_SIZE);
  min_it (RP->Ysize, MAX_RANDOM_MAP_SIZE);

  if (RP->symmetry == SYMMETRY_RANDOM)
    RP->symmetry_used = rmg_rndm (SYMMETRY_XY) + 1;
  else
    RP->symmetry_used = RP->symmetry;

  if (RP->symmetry_used == SYMMETRY_Y || RP->symmetry_used == SYMMETRY_XY)
    RP->Ysize = RP->Ysize / 2 + 1;

  if (RP->symmetry_used == SYMMETRY_X || RP->symmetry_used == SYMMETRY_XY)
    RP->Xsize = RP->Xsize / 2 + 1;

  if (RP->expand2x > 0)
    {
      RP->Xsize /= 2;
      RP->Ysize /= 2;
    }

  const char *layoutstyle = RP->get_str ("layoutstyle", "");

  if (strstr (layoutstyle, "onion"))
    RP->map_layout_style = LAYOUT_ONION;
  else if (strstr (layoutstyle, "maze"))
    RP->map_layout_style = LAYOUT_MAZE;
  else if (strstr (layoutstyle, "spiral"))
    RP->map_layout_style = LAYOUT_SPIRAL;
  else if (strstr (layoutstyle, "rogue"))
    RP->map_layout_style = LAYOUT_ROGUELIKE;
  else if (strstr (layoutstyle, "snake"))
    RP->map_layout_style = LAYOUT_SNAKE;
  else if (strstr (layoutstyle, "squarespiral"))
    RP->map_layout_style = LAYOUT_SQUARE_SPIRAL;
  else if (strstr (layoutstyle, "cave"))
    RP->map_layout_style = LAYOUT_CAVE;
  else
    RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 1) + 1; /* No style found - choose one randomly */

  layout maze (RP->Xsize, RP->Ysize);
  maze.generate (RP);

  /* increment these for the current map */
  ++RP->dungeon_level;

  // need to patch RP becasue following code doesn't use the layout object
  RP->Xsize = maze.w;
  RP->Ysize = maze.h;

  /* allocate the map and set the floor */
  make_map_floor (maze, RP->get_str ("floorstyle", ""), RP);

  /* set region */
  default_region = RP->region;

  CEDE;

  place_specials_in_map (this, maze, RP);

  CEDE;

  const char *wallstyle = RP->get_str ("wallstyle", "");

  /* create walls unless the wallstyle is "none" */
  if (strcmp (wallstyle, "none"))
    {
      make_map_walls (this, maze, wallstyle, RP->get_str ("miningstyle", ""), RP);

      const char *doorstyle = RP->get_str ("doorstyle", "");

      /* place doors unless doorstyle or wallstyle is "none" */
      if (strcmp (doorstyle, "none"))
        put_doors (this, maze, doorstyle, RP);
    }

  CEDE;

  const char *exitstyle = RP->get_str ("exitstyle", "");

  /* create exits unless the exitstyle is "none" */
  if (strcmp (exitstyle, "none"))
    place_exits (this, maze, exitstyle, RP->orientation, RP);

  CEDE;

  const char *monsterstyle = RP->get_str ("monsterstyle", "");

  /* create monsters unless the monsterstyle is "none" */
  if (strcmp (monsterstyle, "none"))
    place_monsters (this, monsterstyle, RP->difficulty, RP);

  CEDE;

  /* treasures needs to have a proper difficulty set for the map. */
  difficulty = estimate_difficulty ();

  CEDE;

  const char *treasurestyle = RP->get_str ("treasurestyle", "");

  /* create treasure unless the treasurestyle is "none" */
  place_treasure (this, maze, treasurestyle, RP->get_iv ("treasureoptions"), RP);

  CEDE;

  const char *decorstyle = RP->get_str ("treasurestyle", "");

  /* create decor unless the decorstyle is "none" */
  if (strcmp (decorstyle, "none"))
    put_decor (this, maze, decorstyle, RP->get_iv ("decoroptions"), RP);

  CEDE;

  /* generate treasures, etc. */
  fix_auto_apply ();

  CEDE;

  unblock_exits (this, maze, RP);

  msg = buf;
  in_memory = MAP_ACTIVE;

  CEDE;

  return 1;
}

Revision:	1.62
Committed:	Sat Jul 3 01:12:45 2010 UTC (16 years, 3 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.61:	+18 -21 lines
Log Message:	things might not be simpler than they appear
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.31	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	pippijn	1.20	*
4	root	1.47	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	root	1.46	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6			* Copyright (©) 1992 Frank Tore Johansen
7	pippijn	1.20	*
8	root	1.42	* 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	pippijn	1.20	*
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	1.30	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	pippijn	1.20	* GNU General Public License for more details.
17			*
18	root	1.42	* 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	root	1.30	*
22	root	1.31	* The authors can be reached via e-mail to <support@deliantra.net>
23	pippijn	1.20	*/
24	elmex	1.1
25			#include <time.h>
26			#include <stdio.h>
27			#include <global.h>
28			#include <random_map.h>
29			#include <rproto.h>
30			#include <sproto.h>
31
32	root	1.39	#define CEDE coroapi::cede_to_tick ()
33	root	1.22
34	root	1.55	noinline SV *
35			random_map_params::get_sv (const char *option) const
36	root	1.51	{
37			SV **he = hv_fetch (hv, option, strlen (option), 0);
38
39	root	1.55	return he ? *he : 0;
40	root	1.51	}
41
42	root	1.55	noinline const_utf8_string
43			random_map_params::get_str (const char *option, const_utf8_string fallback) const
44			{
45			SV *sv = get_sv (option);
46			return sv ? cfSvPVutf8_nolen (sv) : fallback;
47			}
48
49			noinline IV
50	root	1.51	random_map_params::get_iv (const char *option, IV fallback) const
51			{
52	root	1.55	SV *sv = get_sv (option);
53			return sv ? SvIV (sv) : fallback;
54			}
55
56			noinline UV
57			random_map_params::get_uv (const char *option, UV fallback) const
58			{
59			SV *sv = get_sv (option);
60			return sv ? SvUV (sv) : fallback;
61			}
62
63			noinline NV
64			random_map_params::get_nv (const char *option, NV fallback) const
65			{
66			SV *sv = get_sv (option);
67			return sv ? SvNV (sv) : fallback;
68			}
69
70			noinline void
71			random_map_params::set (const char option, SV value) const
72			{
73			int len = strlen (option);
74
75			if (value)
76			hv_store (hv, option, len, value, 0);
77			else
78			hv_delete (hv, option, len, G_DISCARD);
79			}
80
81			noinline void
82			random_map_params::set (const char *option, const_utf8_string value) const
83			{
84			set (option, value && *value ? newSVpvn_utf8 (value, strlen (value), 1) : 0);
85			}
86
87			void
88			random_map_params::set (const char *option, IV value) const
89			{
90			set (option, newSViv (value));
91			}
92
93			void
94			random_map_params::set (const char *option, UV value) const
95			{
96			set (option, newSVuv (value));
97			}
98
99			void
100			random_map_params::set (const char *option, NV value) const
101			{
102			set (option, newSVnv (value));
103			}
104
105			void
106			random_map_params::hv_clone ()
107			{
108			HV *copy = newHV ();
109
110			hv_iterinit (hv);
111
112			// does not work for utf-8 keys
113			while (HE *he = hv_iternext (hv))
114			{
115			STRLEN klen; const char *key = HePV (he, klen);
116			hv_store (copy, key, klen, newSVsv (HeVAL (he)), HeHASH (he));
117			}
118
119			SvREFCNT_dec (hv);
120			hv = copy;
121			}
122
123			shstr_tmp
124			random_map_params::as_shstr () const
125			{
126			set ("xsize" , xsize);
127			set ("ysize" , ysize);
128			set ("layoutoptions1" , layoutoptions1);
129			set ("layoutoptions2" , layoutoptions2);
130			set ("layoutoptions3" , layoutoptions3);
131			set ("symmetry" , symmetry);
132			set ("dungeon_depth" , dungeon_depth);
133			set ("orientation" , orientation);
134			set ("random_seed" , (UV)random_seed);
135			set ("difficulty" , difficulty && difficulty_given ? difficulty : 0);
136			set ("difficulty_increase", difficulty_increase);
137			set ("dungeon_level" , dungeon_level);
138
139			dynbuf_text buf;
140			hv_iterinit (hv);
141
142			// does not work for utf-8 keys
143			while (HE *he = hv_iternext (hv))
144			{
145			STRLEN klen; const char *key = HePV (he, klen);
146			STRLEN vlen; const char *value = SvPVutf8 (HeVAL (he), vlen);
147
148			buf.fadd (key, klen);
149			buf << ' ';
150			buf.fadd (value, vlen);
151			buf << '\n';
152			}
153	root	1.51
154	root	1.55	return shstr (buf);
155	root	1.51	}
156
157			random_map_params::~random_map_params ()
158			{
159			SvREFCNT_dec (hv);
160			}
161
162	root	1.43	bool
163			maptile::generate_random_map (random_map_params *RP)
164			{
165			RP->Xsize = RP->xsize;
166			RP->Ysize = RP->ysize;
167
168			/* pick a random seed, or use the one from the input file */
169			RP->random_seed = RP->random_seed
170			? RP->random_seed + RP->dungeon_level
171			: time (0);
172
173			// we run "single-threaded"
174			rmg_rndm.seed (RP->random_seed);
175
176	root	1.55	shstr buf = RP->as_shstr ();
177	root	1.43
178			if (RP->difficulty == 0)
179			{
180			RP->difficulty = RP->dungeon_level; /* use this instead of a map difficulty */
181
182			if (RP->difficulty_increase > 0.001)
183			RP->difficulty = (int) ((float) RP->dungeon_level * RP->difficulty_increase);
184
185			if (RP->difficulty < 1)
186			RP->difficulty = 1;
187			}
188			else
189			RP->difficulty_given = 1;
190
191			if (RP->Xsize < MIN_RANDOM_MAP_SIZE)
192			RP->Xsize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;
193
194			if (RP->Ysize < MIN_RANDOM_MAP_SIZE)
195			RP->Ysize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;
196
197	root	1.58	min_it (RP->Xsize, MAX_RANDOM_MAP_SIZE);
198			min_it (RP->Ysize, MAX_RANDOM_MAP_SIZE);
199
200	root	1.43	if (RP->symmetry == SYMMETRY_RANDOM)
201			RP->symmetry_used = rmg_rndm (SYMMETRY_XY) + 1;
202			else
203			RP->symmetry_used = RP->symmetry;
204
205			if (RP->symmetry_used == SYMMETRY_Y \|\| RP->symmetry_used == SYMMETRY_XY)
206			RP->Ysize = RP->Ysize / 2 + 1;
207
208			if (RP->symmetry_used == SYMMETRY_X \|\| RP->symmetry_used == SYMMETRY_XY)
209			RP->Xsize = RP->Xsize / 2 + 1;
210
211			if (RP->expand2x > 0)
212			{
213			RP->Xsize /= 2;
214			RP->Ysize /= 2;
215			}
216
217	root	1.62	const char *layoutstyle = RP->get_str ("layoutstyle", "");
218
219			if (strstr (layoutstyle, "onion"))
220	root	1.43	RP->map_layout_style = LAYOUT_ONION;
221	root	1.62	else if (strstr (layoutstyle, "maze"))
222	root	1.43	RP->map_layout_style = LAYOUT_MAZE;
223	root	1.62	else if (strstr (layoutstyle, "spiral"))
224	root	1.43	RP->map_layout_style = LAYOUT_SPIRAL;
225	root	1.62	else if (strstr (layoutstyle, "rogue"))
226	root	1.43	RP->map_layout_style = LAYOUT_ROGUELIKE;
227	root	1.62	else if (strstr (layoutstyle, "snake"))
228	root	1.43	RP->map_layout_style = LAYOUT_SNAKE;
229	root	1.62	else if (strstr (layoutstyle, "squarespiral"))
230	root	1.43	RP->map_layout_style = LAYOUT_SQUARE_SPIRAL;
231	root	1.62	else if (strstr (layoutstyle, "cave"))
232	root	1.57	RP->map_layout_style = LAYOUT_CAVE;
233	root	1.43	else
234	root	1.59	RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 1) + 1; /* No style found - choose one randomly */
235	root	1.43
236	root	1.61	layout maze (RP->Xsize, RP->Ysize);
237			maze.generate (RP);
238	root	1.43
239			/* increment these for the current map */
240			++RP->dungeon_level;
241
242	root	1.61	// need to patch RP becasue following code doesn't use the layout object
243			RP->Xsize = maze.w;
244			RP->Ysize = maze.h;
245	root	1.43
246			/* allocate the map and set the floor */
247	root	1.61	make_map_floor (maze, RP->get_str ("floorstyle", ""), RP);
248	root	1.43
249			/* set region */
250			default_region = RP->region;
251
252			CEDE;
253
254	root	1.61	place_specials_in_map (this, maze, RP);
255	root	1.43
256			CEDE;
257
258	root	1.62	const char *wallstyle = RP->get_str ("wallstyle", "");
259	root	1.51
260	root	1.43	/* create walls unless the wallstyle is "none" */
261	root	1.51	if (strcmp (wallstyle, "none"))
262	root	1.43	{
263	root	1.61	make_map_walls (this, maze, wallstyle, RP->get_str ("miningstyle", ""), RP);
264	root	1.43
265	root	1.62	const char *doorstyle = RP->get_str ("doorstyle", "");
266
267	root	1.43	/* place doors unless doorstyle or wallstyle is "none" */
268	root	1.62	if (strcmp (doorstyle, "none"))
269			put_doors (this, maze, doorstyle, RP);
270	root	1.43	}
271
272			CEDE;
273
274	root	1.51	const char *exitstyle = RP->get_str ("exitstyle", "");
275
276	root	1.43	/* create exits unless the exitstyle is "none" */
277	root	1.51	if (strcmp (exitstyle, "none"))
278	root	1.61	place_exits (this, maze, exitstyle, RP->orientation, RP);
279	root	1.43
280			CEDE;
281
282	root	1.62	const char *monsterstyle = RP->get_str ("monsterstyle", "");
283
284	root	1.43	/* create monsters unless the monsterstyle is "none" */
285	root	1.62	if (strcmp (monsterstyle, "none"))
286			place_monsters (this, monsterstyle, RP->difficulty, RP);
287	root	1.43
288			CEDE;
289
290			/* treasures needs to have a proper difficulty set for the map. */
291			difficulty = estimate_difficulty ();
292
293			CEDE;
294
295	root	1.55	const char *treasurestyle = RP->get_str ("treasurestyle", "");
296
297	root	1.43	/* create treasure unless the treasurestyle is "none" */
298	root	1.61	place_treasure (this, maze, treasurestyle, RP->get_iv ("treasureoptions"), RP);
299	root	1.43
300			CEDE;
301
302	root	1.55	const char *decorstyle = RP->get_str ("treasurestyle", "");
303
304	root	1.43	/* create decor unless the decorstyle is "none" */
305	root	1.55	if (strcmp (decorstyle, "none"))
306	root	1.61	put_decor (this, maze, decorstyle, RP->get_iv ("decoroptions"), RP);
307	root	1.43
308			CEDE;
309
310			/* generate treasures, etc. */
311			fix_auto_apply ();
312
313			CEDE;
314
315	root	1.61	unblock_exits (this, maze, RP);
316	root	1.43
317	root	1.51	msg = buf;
318	root	1.43	in_memory = MAP_ACTIVE;
319
320			CEDE;
321
322			return 1;
323			}
324