server/server/init.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 *
 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 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>
 */

#include <global.h>
#include <material.h>
#include <sproto.h>

/* This loads the settings file.  There could be debate whether this should
 * be here or in the common directory - but since only the server needs this
 * information, having it here probably makes more sense.
 */
void
load_settings ()
{
  object_thawer thawer (settings.confdir, "settings");

  if (!thawer)
    {
      LOG (llevError, "Error: No settings file found\n");
      exit (1);
    }

  while (thawer.kw)
    {
      const char *buf = thawer.kw_str;
      const char *cp  = thawer.value_nn;

      if (!strcmp (buf, "not_permadeth"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.not_permadeth = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.not_permadeth = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for not_permadeth" ": %s\n", cp);
            }
        }
      else if (!strcmp (buf, "resurrection"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.resurrection = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.resurrection = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for resurrection" ": %s\n", cp);
            }
        }
      else if (!strcmp (buf, "set_title"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.set_title = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.set_title = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for set_title" ": %s\n", cp);
            }
        }
      else if (!strcmp (buf, "search_items"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.search_items = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.search_items = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for search_items" ": %s\n", cp);
            }
        }
      else if (!strcmp (buf, "spell_encumbrance"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.spell_encumbrance = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.spell_encumbrance = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for " "spell_encumbrance: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "spell_failure_effects"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.spell_failure_effects = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.spell_failure_effects = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for " "spell_failure_effects: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "spellpoint_level_depend"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.spellpoint_level_depend = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.spellpoint_level_depend = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for " "spellpoint_level_depend: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "stat_loss_on_death"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.stat_loss_on_death = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.stat_loss_on_death = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for " "stat_loss_on_death: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "use_permanent_experience"))
        {
          LOG (llevError, "use_permanent_experience is deprecated, use" "permenent_experience_percentage instead\n");
        }
      else if (!strcmp (buf, "permanent_experience_percentage"))
        {
          int val = atoi (cp);

          if (val < 0 || val > 100)
            LOG (llevError, "load_settings: permenent_experience_percentage" "must be between 0 and 100, %d is invalid\n", val);
          else
            settings.permanent_exp_ratio = val;
        }
      else if (!strcmp (buf, "death_penalty_percentage"))
        {
          int val = atoi (cp);

          if (val < 0 || val > 100)
            LOG (llevError, "load_settings: death_penalty_percentage" "must be between 0 and 100, %d is invalid\n", val);
          else
            settings.death_penalty_ratio = val;
        }
      else if (!strcmp (buf, "death_penalty_levels"))
        {
          int val = atoi (cp);

          if (val < 0 || val > 255)
            LOG (llevError, "load_settings: death_penalty_levels" "can not be negative, %d is invalid\n", val);
          else
            settings.death_penalty_level = val;
        }
      else if (!strcmp (buf, "balanced_stat_loss"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.balanced_stat_loss = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.balanced_stat_loss = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for " "balanced_stat_loss: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "simple_exp"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.simple_exp = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.simple_exp = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: Unknown value for simple_exp: %s\n", cp);
            }
        }
      else if (!strcmp (buf, "item_power_factor"))
        {
          float tmp = atof (cp);

          if (tmp < 0)
            LOG (llevError, "load_settings: item_power_factor must be a positive number (%f < 0)\n", tmp);
          else
            settings.item_power_factor = tmp;
        }
      else if (!strcmp (buf, "pk_luck_penalty"))
        {
          sint16 val = atoi (cp);

          if (val < -100 || val > 100)
            LOG (llevError, "load_settings: pk_luck_penalty must be between -100 and 100" ", %d is invalid\n", val);
          else
            settings.pk_luck_penalty = val;
        }
      else if (!strcmp (buf, "set_friendly_fire"))
        {
          int val = atoi (cp);

          if (val < 0 || val > 100)
            LOG (llevError, "load_settings: set_friendly_fire must be between 0 an 100" ", %d is invalid\n", val);
          else
            settings.set_friendly_fire = val;
        }
      else if (!strcmp (buf, "armor_max_enchant"))
        {
          int max_e = atoi (cp);

          if (max_e <= 0)
            LOG (llevError, "load_settings: armor_max_enchant is %d\n", max_e);
          else
            settings.armor_max_enchant = max_e;
        }
      else if (!strcmp (buf, "armor_weight_reduction"))
        {
          int wr = atoi (cp);

          if (wr < 0)
            LOG (llevError, "load_settings: armor_weight_reduction is %d\n", wr);
          else
            settings.armor_weight_reduction = wr;
        }
      else if (!strcmp (buf, "armor_weight_linear"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.armor_weight_linear = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.armor_weight_linear = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: unknown value for armor_weight_linear: %s\n", cp);
            }

        }
      else if (!strcmp (buf, "armor_speed_improvement"))
        {
          int wr = atoi (cp);

          if (wr < 0)
            LOG (llevError, "load_settings: armor_speed_improvement is %d\n", wr);
          else
            settings.armor_speed_improvement = wr;
        }
      else if (!strcmp (buf, "armor_speed_linear"))
        {
          if (!strcmp (cp, "on") || !strcmp (cp, "true"))
            {
              settings.armor_speed_linear = TRUE;
            }
          else if (!strcmp (cp, "off") || !strcmp (cp, "false"))
            {
              settings.armor_speed_linear = FALSE;
            }
          else
            {
              LOG (llevError, "load_settings: unknown value for armor_speed_linear: %s\n", cp);
            }

        }
      else
        thawer.parse_error ("settings file");

      thawer.next ();
    }
}

/*
 * init() is called only once, when starting the program.
 */
void
init (int argc, char **argv)
{
  init_done = 0;                /* Must be done before init_signal() */

  init_environ ();
  cfperl_init ();
  init_done = 1;
}

/* Signal handlers: */

static void
rec_sigabrt (int i)
{
  signal (SIGABRT, SIG_DFL);

  LOG (llevError, "SIGABRT received.\n");
  cleanup ("SIGABRT received", 1);
}

static void
rec_sigquit (int i)
{
  signal (SIGQUIT, SIG_IGN);

  LOG (llevInfo, "SIGQUIT received\n");
  cleanup ("SIGQUIT received", 1);
}

static void
rec_sigsegv (int i)
{
  signal (SIGSEGV, SIG_DFL);

  LOG (llevError, "SIGSEGV received.\n");
  cleanup ("SIGSEGV received", 1);
}

static void
rec_sigbus (int i)
{
  signal (SIGBUS, SIG_DFL);

  LOG (llevError, "SIGBUS received\n");
  cleanup ("SIGBUS received", 1);
}

static void
rec_sigfpe (int i)
{
  signal (SIGFPE, SIG_DFL);

  LOG (llevError, "SIGFPE received.\n");
  cleanup ("SIGFPE received", 1);
}

void
reset_signals ()
{
  signal (SIGABRT, SIG_DFL);
  signal (SIGQUIT, SIG_DFL);
  signal (SIGSEGV, SIG_DFL);
#ifdef SIGBUS
  signal (SIGBUS , SIG_DFL);
#endif
  signal (SIGFPE , SIG_DFL);
  signal (SIGINT , SIG_DFL);
  signal (SIGTERM, SIG_DFL);
}

void
init_signals ()
{
  // large stack, but it's important data we want to save, and it is not usually
  // being physically allocated anyways
  const size_t stacksize = 8 * 1024 * 1024 + SIGSTKSZ;

  stack_t ss;
  ss.ss_sp = malloc (stacksize);
  ss.ss_flags = 0;
  ss.ss_size = stacksize;
  sigaltstack (&ss, 0);

  struct sigaction sa;

  sigfillset (&sa.sa_mask);
  sa.sa_flags = SA_RESTART;

  sa.sa_handler = SIG_IGN;     sigaction (SIGPIPE, &sa, 0);
  sa.sa_handler = rec_sigabrt; sigaction (SIGABRT, &sa, 0);
  sa.sa_handler = rec_sigquit; sigaction (SIGQUIT, &sa, 0);
#ifdef SIGBUS
  sa.sa_handler = rec_sigbus;  sigaction (SIGBUS,  &sa, 0);
#endif
  sa.sa_handler = rec_sigfpe;  sigaction (SIGFPE,  &sa, 0);

  sa.sa_flags |= SA_ONSTACK;
  sa.sa_handler = rec_sigsegv; sigaction (SIGSEGV, &sa, 0);
}

static racelink *
get_racelist ()
{
  racelink *list = new racelink;

  list->name = 0;
  list->nrof = 0;
  list->next = 0;
  list->member = get_objectlink ();

  return list;
}

 racelink *
find_racelink (const char *name)
{
  if (name)
    for (racelink *link = first_race; link; link = link->next)
      if (!link->name || !strcmp (name, link->name))
        return link;

  return 0;
}

static void
add_to_racelist (const char *race_name, object *op)
{
  racelink *race;

  if (!op || !race_name)
    return;

  race = find_racelink (race_name);

  if (!race)
    {                           /* add in a new race list */
      race = get_racelist ();
      race->next = first_race;
      first_race = race;
      race->name = race_name;
    }

  if (race->member->ob)
    {
      objectlink *tmp = get_objectlink ();

      tmp->next = race->member;
      race->member = tmp;
    }

  race->nrof++;
  race->member->ob = op;
}

/* init_races() - reads the races file in the lib/ directory, then
 * overwrites old 'race' entries. This routine allow us to quickly
 * re-configure the 'alignment' of monsters, objects. Useful for
 * putting together lists of creatures, etc that belong to gods.
 */
static void
init_races ()
{
  FILE *file;
  char race[MAX_BUF], fname[MAX_BUF], buf[MAX_BUF], *cp, variable[MAX_BUF];
  archetype *mon = NULL;
  static int init_done = 0;

  if (init_done)
    return;
  init_done = 1;
  first_race = 0;

  sprintf (fname, "%s/races", settings.datadir);
  LOG (llevDebug, "Reading races from %s...\n", fname);
  if (!(file = fopen (fname, "r")))
    {
      LOG (llevError, "Cannot open races file %s: %s\n", fname, strerror (errno));
      return;
    }

  while (fgets (buf, MAX_BUF, file) != NULL)
    {
      int set_race = 1, set_list = 1;

      if (*buf == '#')
        continue;

      if ((cp = strchr (buf, '\n')) != NULL)
        *cp = '\0';

      cp = buf;
      while (*cp == ' ' || *cp == '!' || *cp == '@')
        {
          if (*cp == '!') set_race = 0;
          if (*cp == '@') set_list = 0;

          cp++;
        }

      if (sscanf (cp, "RACE %s", variable))
        /* set new race value */
        strcpy (race, variable);
      else
        {
          char *cp1;

          /* Take out beginning spaces */
          for (cp1 = cp; *cp1 == ' '; cp1++)
            ;
          /* Remove newline and trailing spaces */
          for (cp1 = cp + strlen (cp) - 1; *cp1 == '\n' || *cp1 == ' '; cp1--)
            {
              *cp1 = '\0';
              if (cp == cp1)
                break;
            }

          if (cp[strlen (cp) - 1] == '\n')
            cp[strlen (cp) - 1] = '\0';

          /* set creature race to race value */
          if ((mon = archetype::find (cp)) == NULL)
            LOG (llevError, "Creature %s in race file lacks archetype\n", cp);
          else
            {
              if (set_race && (!mon->race || strcmp (&mon->race, race)))
                {
                  if (mon->race)
                    LOG (llevDebug, "Resetting race to %s from %s for archetype %s\n", race, &mon->race, &mon->archname);

                  mon->race = race;
                }

              /* if the arch is a monster, add it to the race list */
              if (set_list && mon->flag [FLAG_MONSTER])
                add_to_racelist (race, mon);
            }
        }
    }

  fclose (file);
  LOG (llevDebug, "done.\n");
}

void
init_beforeplay ()
{
  init_artifacts ();            /* If not called before, reads all artifacts from file */
  init_races ();                /* overwrite race designations using entries in lib/races file */
  init_gods ();                 /* init linked list of gods from archs */
  init_readable ();             /* inits useful arrays for readable texts */
  init_formulae ();             /* If not called before, reads formulae from file */
}

Revision:	1.87
Committed:	Wed Nov 16 23:42:02 2016 UTC (7 years, 6 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.86:	+1 -1 lines
Log Message:	copyright update 2016
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 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	#include <global.h>
26	#include <material.h>
27	#include <sproto.h>
28
29	/* This loads the settings file. There could be debate whether this should
30	* be here or in the common directory - but since only the server needs this
31	* information, having it here probably makes more sense.
32	*/
33	void
34	load_settings ()
35	{
36	object_thawer thawer (settings.confdir, "settings");
37
38	if (!thawer)
39	{
40	LOG (llevError, "Error: No settings file found\n");
41	exit (1);
42	}
43
44	while (thawer.kw)
45	{
46	const char *buf = thawer.kw_str;
47	const char *cp = thawer.value_nn;
48
49	if (!strcmp (buf, "not_permadeth"))
50	{
51	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
52	{
53	settings.not_permadeth = TRUE;
54	}
55	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
56	{
57	settings.not_permadeth = FALSE;
58	}
59	else
60	{
61	LOG (llevError, "load_settings: Unknown value for not_permadeth" ": %s\n", cp);
62	}
63	}
64	else if (!strcmp (buf, "resurrection"))
65	{
66	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
67	{
68	settings.resurrection = TRUE;
69	}
70	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
71	{
72	settings.resurrection = FALSE;
73	}
74	else
75	{
76	LOG (llevError, "load_settings: Unknown value for resurrection" ": %s\n", cp);
77	}
78	}
79	else if (!strcmp (buf, "set_title"))
80	{
81	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
82	{
83	settings.set_title = TRUE;
84	}
85	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
86	{
87	settings.set_title = FALSE;
88	}
89	else
90	{
91	LOG (llevError, "load_settings: Unknown value for set_title" ": %s\n", cp);
92	}
93	}
94	else if (!strcmp (buf, "search_items"))
95	{
96	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
97	{
98	settings.search_items = TRUE;
99	}
100	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
101	{
102	settings.search_items = FALSE;
103	}
104	else
105	{
106	LOG (llevError, "load_settings: Unknown value for search_items" ": %s\n", cp);
107	}
108	}
109	else if (!strcmp (buf, "spell_encumbrance"))
110	{
111	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
112	{
113	settings.spell_encumbrance = TRUE;
114	}
115	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
116	{
117	settings.spell_encumbrance = FALSE;
118	}
119	else
120	{
121	LOG (llevError, "load_settings: Unknown value for " "spell_encumbrance: %s\n", cp);
122	}
123	}
124	else if (!strcmp (buf, "spell_failure_effects"))
125	{
126	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
127	{
128	settings.spell_failure_effects = TRUE;
129	}
130	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
131	{
132	settings.spell_failure_effects = FALSE;
133	}
134	else
135	{
136	LOG (llevError, "load_settings: Unknown value for " "spell_failure_effects: %s\n", cp);
137	}
138	}
139	else if (!strcmp (buf, "spellpoint_level_depend"))
140	{
141	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
142	{
143	settings.spellpoint_level_depend = TRUE;
144	}
145	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
146	{
147	settings.spellpoint_level_depend = FALSE;
148	}
149	else
150	{
151	LOG (llevError, "load_settings: Unknown value for " "spellpoint_level_depend: %s\n", cp);
152	}
153	}
154	else if (!strcmp (buf, "stat_loss_on_death"))
155	{
156	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
157	{
158	settings.stat_loss_on_death = TRUE;
159	}
160	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
161	{
162	settings.stat_loss_on_death = FALSE;
163	}
164	else
165	{
166	LOG (llevError, "load_settings: Unknown value for " "stat_loss_on_death: %s\n", cp);
167	}
168	}
169	else if (!strcmp (buf, "use_permanent_experience"))
170	{
171	LOG (llevError, "use_permanent_experience is deprecated, use" "permenent_experience_percentage instead\n");
172	}
173	else if (!strcmp (buf, "permanent_experience_percentage"))
174	{
175	int val = atoi (cp);
176
177	if (val < 0 \|\| val > 100)
178	LOG (llevError, "load_settings: permenent_experience_percentage" "must be between 0 and 100, %d is invalid\n", val);
179	else
180	settings.permanent_exp_ratio = val;
181	}
182	else if (!strcmp (buf, "death_penalty_percentage"))
183	{
184	int val = atoi (cp);
185
186	if (val < 0 \|\| val > 100)
187	LOG (llevError, "load_settings: death_penalty_percentage" "must be between 0 and 100, %d is invalid\n", val);
188	else
189	settings.death_penalty_ratio = val;
190	}
191	else if (!strcmp (buf, "death_penalty_levels"))
192	{
193	int val = atoi (cp);
194
195	if (val < 0 \|\| val > 255)
196	LOG (llevError, "load_settings: death_penalty_levels" "can not be negative, %d is invalid\n", val);
197	else
198	settings.death_penalty_level = val;
199	}
200	else if (!strcmp (buf, "balanced_stat_loss"))
201	{
202	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
203	{
204	settings.balanced_stat_loss = TRUE;
205	}
206	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
207	{
208	settings.balanced_stat_loss = FALSE;
209	}
210	else
211	{
212	LOG (llevError, "load_settings: Unknown value for " "balanced_stat_loss: %s\n", cp);
213	}
214	}
215	else if (!strcmp (buf, "simple_exp"))
216	{
217	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
218	{
219	settings.simple_exp = TRUE;
220	}
221	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
222	{
223	settings.simple_exp = FALSE;
224	}
225	else
226	{
227	LOG (llevError, "load_settings: Unknown value for simple_exp: %s\n", cp);
228	}
229	}
230	else if (!strcmp (buf, "item_power_factor"))
231	{
232	float tmp = atof (cp);
233
234	if (tmp < 0)
235	LOG (llevError, "load_settings: item_power_factor must be a positive number (%f < 0)\n", tmp);
236	else
237	settings.item_power_factor = tmp;
238	}
239	else if (!strcmp (buf, "pk_luck_penalty"))
240	{
241	sint16 val = atoi (cp);
242
243	if (val < -100 \|\| val > 100)
244	LOG (llevError, "load_settings: pk_luck_penalty must be between -100 and 100" ", %d is invalid\n", val);
245	else
246	settings.pk_luck_penalty = val;
247	}
248	else if (!strcmp (buf, "set_friendly_fire"))
249	{
250	int val = atoi (cp);
251
252	if (val < 0 \|\| val > 100)
253	LOG (llevError, "load_settings: set_friendly_fire must be between 0 an 100" ", %d is invalid\n", val);
254	else
255	settings.set_friendly_fire = val;
256	}
257	else if (!strcmp (buf, "armor_max_enchant"))
258	{
259	int max_e = atoi (cp);
260
261	if (max_e <= 0)
262	LOG (llevError, "load_settings: armor_max_enchant is %d\n", max_e);
263	else
264	settings.armor_max_enchant = max_e;
265	}
266	else if (!strcmp (buf, "armor_weight_reduction"))
267	{
268	int wr = atoi (cp);
269
270	if (wr < 0)
271	LOG (llevError, "load_settings: armor_weight_reduction is %d\n", wr);
272	else
273	settings.armor_weight_reduction = wr;
274	}
275	else if (!strcmp (buf, "armor_weight_linear"))
276	{
277	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
278	{
279	settings.armor_weight_linear = TRUE;
280	}
281	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
282	{
283	settings.armor_weight_linear = FALSE;
284	}
285	else
286	{
287	LOG (llevError, "load_settings: unknown value for armor_weight_linear: %s\n", cp);
288	}
289
290	}
291	else if (!strcmp (buf, "armor_speed_improvement"))
292	{
293	int wr = atoi (cp);
294
295	if (wr < 0)
296	LOG (llevError, "load_settings: armor_speed_improvement is %d\n", wr);
297	else
298	settings.armor_speed_improvement = wr;
299	}
300	else if (!strcmp (buf, "armor_speed_linear"))
301	{
302	if (!strcmp (cp, "on") \|\| !strcmp (cp, "true"))
303	{
304	settings.armor_speed_linear = TRUE;
305	}
306	else if (!strcmp (cp, "off") \|\| !strcmp (cp, "false"))
307	{
308	settings.armor_speed_linear = FALSE;
309	}
310	else
311	{
312	LOG (llevError, "load_settings: unknown value for armor_speed_linear: %s\n", cp);
313	}
314
315	}
316	else
317	thawer.parse_error ("settings file");
318
319	thawer.next ();
320	}
321	}
322
323	/*
324	* init() is called only once, when starting the program.
325	*/
326	void
327	init (int argc, char **argv)
328	{
329	init_done = 0; /* Must be done before init_signal() */
330
331	init_environ ();
332	cfperl_init ();
333	init_done = 1;
334	}
335
336	/* Signal handlers: */
337
338	static void
339	rec_sigabrt (int i)
340	{
341	signal (SIGABRT, SIG_DFL);
342
343	LOG (llevError, "SIGABRT received.\n");
344	cleanup ("SIGABRT received", 1);
345	}
346
347	static void
348	rec_sigquit (int i)
349	{
350	signal (SIGQUIT, SIG_IGN);
351
352	LOG (llevInfo, "SIGQUIT received\n");
353	cleanup ("SIGQUIT received", 1);
354	}
355
356	static void
357	rec_sigsegv (int i)
358	{
359	signal (SIGSEGV, SIG_DFL);
360
361	LOG (llevError, "SIGSEGV received.\n");
362	cleanup ("SIGSEGV received", 1);
363	}
364
365	static void
366	rec_sigbus (int i)
367	{
368	signal (SIGBUS, SIG_DFL);
369
370	LOG (llevError, "SIGBUS received\n");
371	cleanup ("SIGBUS received", 1);
372	}
373
374	static void
375	rec_sigfpe (int i)
376	{
377	signal (SIGFPE, SIG_DFL);
378
379	LOG (llevError, "SIGFPE received.\n");
380	cleanup ("SIGFPE received", 1);
381	}
382
383	void
384	reset_signals ()
385	{
386	signal (SIGABRT, SIG_DFL);
387	signal (SIGQUIT, SIG_DFL);
388	signal (SIGSEGV, SIG_DFL);
389	#ifdef SIGBUS
390	signal (SIGBUS , SIG_DFL);
391	#endif
392	signal (SIGFPE , SIG_DFL);
393	signal (SIGINT , SIG_DFL);
394	signal (SIGTERM, SIG_DFL);
395	}
396
397	void
398	init_signals ()
399	{
400	// large stack, but it's important data we want to save, and it is not usually
401	// being physically allocated anyways
402	const size_t stacksize = 8 * 1024 * 1024 + SIGSTKSZ;
403
404	stack_t ss;
405	ss.ss_sp = malloc (stacksize);
406	ss.ss_flags = 0;
407	ss.ss_size = stacksize;
408	sigaltstack (&ss, 0);
409
410	struct sigaction sa;
411
412	sigfillset (&sa.sa_mask);
413	sa.sa_flags = SA_RESTART;
414
415	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
416	sa.sa_handler = rec_sigabrt; sigaction (SIGABRT, &sa, 0);
417	sa.sa_handler = rec_sigquit; sigaction (SIGQUIT, &sa, 0);
418	#ifdef SIGBUS
419	sa.sa_handler = rec_sigbus; sigaction (SIGBUS, &sa, 0);
420	#endif
421	sa.sa_handler = rec_sigfpe; sigaction (SIGFPE, &sa, 0);
422
423	sa.sa_flags \|= SA_ONSTACK;
424	sa.sa_handler = rec_sigsegv; sigaction (SIGSEGV, &sa, 0);
425	}
426
427	static racelink *
428	get_racelist ()
429	{
430	racelink *list = new racelink;
431
432	list->name = 0;
433	list->nrof = 0;
434	list->next = 0;
435	list->member = get_objectlink ();
436
437	return list;
438	}
439
440	racelink *
441	find_racelink (const char *name)
442	{
443	if (name)
444	for (racelink *link = first_race; link; link = link->next)
445	if (!link->name \|\| !strcmp (name, link->name))
446	return link;
447
448	return 0;
449	}
450
451	static void
452	add_to_racelist (const char race_name, object op)
453	{
454	racelink *race;
455
456	if (!op \|\| !race_name)
457	return;
458
459	race = find_racelink (race_name);
460
461	if (!race)
462	{ /* add in a new race list */
463	race = get_racelist ();
464	race->next = first_race;
465	first_race = race;
466	race->name = race_name;
467	}
468
469	if (race->member->ob)
470	{
471	objectlink *tmp = get_objectlink ();
472
473	tmp->next = race->member;
474	race->member = tmp;
475	}
476
477	race->nrof++;
478	race->member->ob = op;
479	}
480
481	/* init_races() - reads the races file in the lib/ directory, then
482	* overwrites old 'race' entries. This routine allow us to quickly
483	* re-configure the 'alignment' of monsters, objects. Useful for
484	* putting together lists of creatures, etc that belong to gods.
485	*/
486	static void
487	init_races ()
488	{
489	FILE *file;
490	char race[MAX_BUF], fname[MAX_BUF], buf[MAX_BUF], *cp, variable[MAX_BUF];
491	archetype *mon = NULL;
492	static int init_done = 0;
493
494	if (init_done)
495	return;
496	init_done = 1;
497	first_race = 0;
498
499	sprintf (fname, "%s/races", settings.datadir);
500	LOG (llevDebug, "Reading races from %s...\n", fname);
501	if (!(file = fopen (fname, "r")))
502	{
503	LOG (llevError, "Cannot open races file %s: %s\n", fname, strerror (errno));
504	return;
505	}
506
507	while (fgets (buf, MAX_BUF, file) != NULL)
508	{
509	int set_race = 1, set_list = 1;
510
511	if (*buf == '#')
512	continue;
513
514	if ((cp = strchr (buf, '\n')) != NULL)
515	*cp = '\0';
516
517	cp = buf;
518	while (cp == ' ' \|\| cp == '!' \|\| *cp == '@')
519	{
520	if (*cp == '!') set_race = 0;
521	if (*cp == '@') set_list = 0;
522
523	cp++;
524	}
525
526	if (sscanf (cp, "RACE %s", variable))
527	/* set new race value */
528	strcpy (race, variable);
529	else
530	{
531	char *cp1;
532
533	/* Take out beginning spaces */
534	for (cp1 = cp; *cp1 == ' '; cp1++)
535	;
536	/* Remove newline and trailing spaces */
537	for (cp1 = cp + strlen (cp) - 1; cp1 == '\n' \|\| cp1 == ' '; cp1--)
538	{
539	*cp1 = '\0';
540	if (cp == cp1)
541	break;
542	}
543
544	if (cp[strlen (cp) - 1] == '\n')
545	cp[strlen (cp) - 1] = '\0';
546
547	/* set creature race to race value */
548	if ((mon = archetype::find (cp)) == NULL)
549	LOG (llevError, "Creature %s in race file lacks archetype\n", cp);
550	else
551	{
552	if (set_race && (!mon->race \|\| strcmp (&mon->race, race)))
553	{
554	if (mon->race)
555	LOG (llevDebug, "Resetting race to %s from %s for archetype %s\n", race, &mon->race, &mon->archname);
556
557	mon->race = race;
558	}
559
560	/* if the arch is a monster, add it to the race list */
561	if (set_list && mon->flag [FLAG_MONSTER])
562	add_to_racelist (race, mon);
563	}
564	}
565	}
566
567	fclose (file);
568	LOG (llevDebug, "done.\n");
569	}
570
571	void
572	init_beforeplay ()
573	{
574	init_artifacts (); /* If not called before, reads all artifacts from file */
575	init_races (); /* overwrite race designations using entries in lib/races file */
576	init_gods (); /* init linked list of gods from archs */
577	init_readable (); /* inits useful arrays for readable texts */
578	init_formulae (); /* If not called before, reads formulae from file */
579	}
580