server/common/player.C

/*
 * CrossFire, A Multiplayer game for X-windows
 *
 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team
 * Copyright (C) 1992 Frank Tore Johansen
 *
 * This program 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 2 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * The authors can be reached via e-mail at <crossfire@schmorp.de>
 */

#include <global.h>
#include <funcpoint.h>

/* Determine if the attacktype represented by the
 * specified attack-number is enabled for dragon players.
 * A dragon player (quetzal) can gain resistances for
 * all enabled attacktypes.
 */
int
atnr_is_dragon_enabled (int attacknr)
{
  if (attacknr == ATNR_MAGIC || attacknr == ATNR_FIRE ||
      attacknr == ATNR_ELECTRICITY || attacknr == ATNR_COLD || attacknr == ATNR_ACID || attacknr == ATNR_POISON)
    return 1;

  return 0;
}

/*
 * returns true if the adressed object 'ob' is a player
 * of the dragon race.
 */
int
is_dragon_pl (const object *op)
{
  if (op != NULL && op->type == PLAYER && op->arch != NULL && op->arch->clone.race != NULL && strcmp (op->arch->clone.race, "dragon") == 0)
    return 1;

  return 0;
}

/*
 * If final is set, it a clean/final save, not a backup, ie dont remove objects from inventory
 */
bool
player::save_pl (object_freezer &freezer)
{
  INVOKE_PLAYER (SAVE, ob->contr);

  int wiz = ob->flag [FLAG_WIZ];

  /* Eneq(@csd.uu.se): If we have an open container hide it. */
  object *container = ob->container;
  ob->container = 0;

  if (ob->map)
    maplevel = ob->map->path;

#define PL_OUT(k)    freezer.put (KW_ ## k, k)
#define PL_OUT2(k,v) freezer.put (KW_ ## k, v)

  PL_OUT  (password);
  PL_OUT2 (title, own_title);
  PL_OUT  (gen_hp);
  PL_OUT  (gen_sp);
  PL_OUT  (gen_grace);
  PL_OUT  (listening);
  PL_OUT  (shoottype);
  PL_OUT  (bowtype);
  PL_OUT  (petmode);
  PL_OUT  (peaceful);
  PL_OUT  (digestion);
  PL_OUT2 (pickup, mode);
  PL_OUT  (outputs_sync);
  PL_OUT  (outputs_count);

  freezer.put (KW_usekeys, usekeys == key_inventory    ? "key_inventory"    : (usekeys == keyrings      ? "keyrings"      : "containers"));
  freezer.put (KW_unapply, unapply == unapply_nochoice ? "unapply_nochoice" : (unapply == unapply_never ? "unapply_never" : "unapply_always"));

  PL_OUT2 (map, maplevel);
  PL_OUT  (savebed_map);
  PL_OUT  (bed_x);
  PL_OUT  (bed_y);
  PL_OUT  (weapon_sp);
  PL_OUT2 (Str, orig_stats.Str);
  PL_OUT2 (Dex, orig_stats.Dex);
  PL_OUT2 (Con, orig_stats.Con);
  PL_OUT2 (Int, orig_stats.Int);
  PL_OUT2 (Pow, orig_stats.Pow);
  PL_OUT2 (Wis, orig_stats.Wis);
  PL_OUT2 (Cha, orig_stats.Cha);

  PL_OUT2 (lev_array, 10);

  for (int i = 1; i <= 10; i++)
    {
      fprintf (freezer, "%d\n", levhp   [i]);
      fprintf (freezer, "%d\n", levsp   [i]);
      fprintf (freezer, "%d\n", levgrace[i]);
    }

  freezer.put (ob->contr);
  freezer.put (KW_endplst);

  SET_FLAG (ob, FLAG_NO_FIX_PLAYER);
  CLEAR_FLAG (ob, FLAG_WIZ);
  ob->write (freezer);

  CLEAR_FLAG (ob, FLAG_NO_FIX_PLAYER);

  /* Eneq(@csd.uu.se): Reveal the container if we have one. */
  ob->container = container;

  ob->flag [FLAG_WIZ] = wiz;

  INVOKE_PLAYER (SAVE_DONE, ob->contr);

  return true;
}

bool
player::save_pl (const char *path)
{
  object_freezer freezer;

  if (!save_pl (freezer))
    return false;

  return freezer.save (path);
}

player *
player::load_pl (object_thawer &f)
{
  int maxerrs = 20;

  player *pl = new player;

  pl->savebed_map = first_map_path;

  /* Loop through the file, loading the rest of the values */
  for (;;)
    {
      switch (f.kw)
        {
          case KW_EOF:
            LOG (llevError, "%s: unexpected EOF while reading player header\n", f.name);
            goto failure;

          default:
            LOG (llevError, "%s: skipping unknown key in player header: %s\n", f.name, f.kw_str);
            if (!--maxerrs) goto failure;
            break;

          case KW_ERROR:
            LOG (llevError, "%s: parse error while reading player header, skipping (%s,%s).\n", f.name, f.kw_str, f.value);
            if (!--maxerrs) goto failure;
            break;

          case KW_endplst:
            f.next ();

            if (object *op = pl->ob->read (f))
              pl->set_object (op);
            else
              goto failure;

            INVOKE_PLAYER (LOAD, pl);

            return pl;

          case KW_oid:           f.get (pl, f.get_sint32 ()); break;
          case KW_password:      assign (pl->password , f.get_str ()); break;
          case KW_title:         assign (pl->own_title, f.get_str ()); break;
          case KW_shoottype:     pl->shoottype = (rangetype) f.get_sint32 (); break;
          case KW_bowtype:       pl->bowtype   = (bowtype_t) f.get_sint32 (); break;
          case KW_petmode:       pl->petmode   = (petmode_t) f.get_sint32 (); break;
          case KW_listening:     f.get (pl->listening); break;
          case KW_peaceful:      f.get (pl->peaceful); break;
          case KW_digestion:     f.get (pl->digestion); break;
          case KW_pickup:        f.get (pl->mode); break;
          case KW_outputs_sync:  f.get (pl->outputs_sync); break;
          case KW_outputs_count: f.get (pl->outputs_count); break;
          case KW_map:           f.get (pl->maplevel); break;
          case KW_savebed_map:   f.get (pl->savebed_map); break;
          case KW_bed_x:         f.get (pl->bed_x); break;
          case KW_bed_y:         f.get (pl->bed_y); break;
          case KW_weapon_sp:     f.get (pl->weapon_sp); break;
          case KW_Str:           f.get (pl->orig_stats.Str); break;
          case KW_Dex:           f.get (pl->orig_stats.Dex); break;
          case KW_Con:           f.get (pl->orig_stats.Con); break;
          case KW_Int:           f.get (pl->orig_stats.Int); break;
          case KW_Pow:           f.get (pl->orig_stats.Pow); break;
          case KW_Wis:           f.get (pl->orig_stats.Wis); break;
          case KW_Cha:           f.get (pl->orig_stats.Cha); break;
          case KW_gen_hp:        f.get (pl->gen_hp); break;
          case KW_gen_sp:        f.get (pl->gen_sp); break;
          case KW_gen_grace:     f.get (pl->gen_grace); break;

          case KW_usekeys:
            if (!strcmp (f.get_str (), "key_inventory"))
              pl->usekeys = key_inventory;
            else if (!strcmp (f.get_str (), "keyrings"))
              pl->usekeys = keyrings;
            else if (!strcmp (f.get_str (), "containers"))
              pl->usekeys = containers;
            else
              LOG (llevDebug, "load_player: got unknown usekeys type: %s\n", f.get_str ());
            break;

          case KW_unapply:
            if (!strcmp (f.get_str (), "unapply_nochoice"))
              pl->unapply = unapply_nochoice;
            else if (!strcmp (f.get_str (), "unapply_never"))
              pl->unapply = unapply_never;
            else if (!strcmp (f.get_str (), "unapply_always"))
              pl->unapply = unapply_always;
            else
              LOG (llevDebug, "load_player: got unknown unapply type: %s\n", f.get_str ());
            break;

          case KW_lev_array:
            {
              int count = f.get_sint32 ();

              for (int i = 1; i <= count; i++)
                {
                  char line [32];

                  fgets (line, 32, f); pl->levhp   [i] = atoi (line);
                  fgets (line, 32, f); pl->levsp   [i] = atoi (line);
                  fgets (line, 32, f); pl->levgrace[i] = atoi (line);
                }
            }
            break;
        }

      f.next ();
    }

failure:
  LOG (llevError, "%s: too many or too grave errors, aborting player load.\n", f.name);

  if (pl->ob)
    pl->ob->destroy ();

  pl->destroy ();

  return 0;
}

player *
player::load_pl (const char *path)
{
  object_thawer f (path);

  if (!f)
    return 0;

  f.next ();

  return load_pl (f);
}

Revision:	1.22
Committed:	Thu Mar 1 20:25:06 2007 UTC (17 years, 2 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_0
Changes since 1.21:	+3 -1 lines
Log Message:	do not crash when trying to load nonexistant or broken players
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.14	* CrossFire, A Multiplayer game for X-windows
3			*
4			* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5			* Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6			* Copyright (C) 1992 Frank Tore Johansen
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* (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			* 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 GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21			*
22			* The authors can be reached via e-mail at <crossfire@schmorp.de>
23			*/
24	elmex	1.1
25			#include <global.h>
26			#include <funcpoint.h>
27
28			/* Determine if the attacktype represented by the
29			* specified attack-number is enabled for dragon players.
30			* A dragon player (quetzal) can gain resistances for
31			* all enabled attacktypes.
32			*/
33	root	1.4	int
34			atnr_is_dragon_enabled (int attacknr)
35			{
36	elmex	1.1	if (attacknr == ATNR_MAGIC \|\| attacknr == ATNR_FIRE \|\|
37	root	1.4	attacknr == ATNR_ELECTRICITY \|\| attacknr == ATNR_COLD \|\| attacknr == ATNR_ACID \|\| attacknr == ATNR_POISON)
38	elmex	1.1	return 1;
39	root	1.10
40	elmex	1.1	return 0;
41			}
42
43			/*
44			* returns true if the adressed object 'ob' is a player
45			* of the dragon race.
46			*/
47	root	1.4	int
48			is_dragon_pl (const object *op)
49			{
50			if (op != NULL && op->type == PLAYER && op->arch != NULL && op->arch->clone.race != NULL && strcmp (op->arch->clone.race, "dragon") == 0)
51	elmex	1.1	return 1;
52	root	1.18
53	elmex	1.1	return 0;
54			}
55	root	1.14
56			/*
57			* If final is set, it a clean/final save, not a backup, ie dont remove objects from inventory
58			*/
59			bool
60			player::save_pl (object_freezer &freezer)
61			{
62			INVOKE_PLAYER (SAVE, ob->contr);
63
64			int wiz = ob->flag [FLAG_WIZ];
65
66			/* Eneq(@csd.uu.se): If we have an open container hide it. */
67			object *container = ob->container;
68			ob->container = 0;
69
70	root	1.19	if (ob->map)
71			maplevel = ob->map->path;
72
73	root	1.14	#define PL_OUT(k) freezer.put (KW_ ## k, k)
74			#define PL_OUT2(k,v) freezer.put (KW_ ## k, v)
75
76			PL_OUT (password);
77			PL_OUT2 (title, own_title);
78			PL_OUT (gen_hp);
79			PL_OUT (gen_sp);
80			PL_OUT (gen_grace);
81			PL_OUT (listening);
82			PL_OUT (shoottype);
83			PL_OUT (bowtype);
84			PL_OUT (petmode);
85			PL_OUT (peaceful);
86			PL_OUT (digestion);
87			PL_OUT2 (pickup, mode);
88			PL_OUT (outputs_sync);
89			PL_OUT (outputs_count);
90
91	root	1.18	freezer.put (KW_usekeys, usekeys == key_inventory ? "key_inventory" : (usekeys == keyrings ? "keyrings" : "containers"));
92	root	1.14	freezer.put (KW_unapply, unapply == unapply_nochoice ? "unapply_nochoice" : (unapply == unapply_never ? "unapply_never" : "unapply_always"));
93
94	root	1.17	PL_OUT2 (map, maplevel);
95	root	1.14	PL_OUT (savebed_map);
96			PL_OUT (bed_x);
97			PL_OUT (bed_y);
98			PL_OUT (weapon_sp);
99			PL_OUT2 (Str, orig_stats.Str);
100			PL_OUT2 (Dex, orig_stats.Dex);
101			PL_OUT2 (Con, orig_stats.Con);
102			PL_OUT2 (Int, orig_stats.Int);
103			PL_OUT2 (Pow, orig_stats.Pow);
104			PL_OUT2 (Wis, orig_stats.Wis);
105			PL_OUT2 (Cha, orig_stats.Cha);
106
107	root	1.15	PL_OUT2 (lev_array, 10);
108	root	1.14
109	root	1.15	for (int i = 1; i <= 10; i++)
110	root	1.14	{
111	root	1.15	fprintf (freezer, "%d\n", levhp [i]);
112			fprintf (freezer, "%d\n", levsp [i]);
113	root	1.14	fprintf (freezer, "%d\n", levgrace[i]);
114			}
115
116			freezer.put (ob->contr);
117			freezer.put (KW_endplst);
118
119			SET_FLAG (ob, FLAG_NO_FIX_PLAYER);
120			CLEAR_FLAG (ob, FLAG_WIZ);
121	root	1.21	ob->write (freezer);
122	root	1.14
123			CLEAR_FLAG (ob, FLAG_NO_FIX_PLAYER);
124
125			/* Eneq(@csd.uu.se): Reveal the container if we have one. */
126			ob->container = container;
127
128			ob->flag [FLAG_WIZ] = wiz;
129
130			INVOKE_PLAYER (SAVE_DONE, ob->contr);
131
132			return true;
133			}
134
135			bool
136			player::save_pl (const char *path)
137			{
138			object_freezer freezer;
139
140			if (!save_pl (freezer))
141			return false;
142
143			return freezer.save (path);
144			}
145
146			player *
147	root	1.21	player::load_pl (object_thawer &f)
148	root	1.14	{
149	root	1.21	int maxerrs = 20;
150	root	1.18
151	root	1.14	player *pl = new player;
152
153			pl->savebed_map = first_map_path;
154
155			/* Loop through the file, loading the rest of the values */
156			for (;;)
157			{
158	root	1.21	switch (f.kw)
159	root	1.14	{
160			case KW_EOF:
161	root	1.21	LOG (llevError, "%s: unexpected EOF while reading player header\n", f.name);
162	root	1.18	goto failure;
163
164			default:
165	root	1.21	LOG (llevError, "%s: skipping unknown key in player header: %s\n", f.name, f.kw_str);
166	root	1.18	if (!--maxerrs) goto failure;
167			break;
168	root	1.14
169			case KW_ERROR:
170	root	1.21	LOG (llevError, "%s: parse error while reading player header, skipping (%s,%s).\n", f.name, f.kw_str, f.value);
171	root	1.18	if (!--maxerrs) goto failure;
172	root	1.14	break;
173
174			case KW_endplst:
175	root	1.21	f.next ();
176
177			if (object *op = pl->ob->read (f))
178			pl->set_object (op);
179			else
180			goto failure;
181
182			INVOKE_PLAYER (LOAD, pl);
183	root	1.14
184	root	1.21	return pl;
185
186			case KW_oid: f.get (pl, f.get_sint32 ()); break;
187			case KW_password: assign (pl->password , f.get_str ()); break;
188			case KW_title: assign (pl->own_title, f.get_str ()); break;
189			case KW_shoottype: pl->shoottype = (rangetype) f.get_sint32 (); break;
190			case KW_bowtype: pl->bowtype = (bowtype_t) f.get_sint32 (); break;
191			case KW_petmode: pl->petmode = (petmode_t) f.get_sint32 (); break;
192			case KW_listening: f.get (pl->listening); break;
193			case KW_peaceful: f.get (pl->peaceful); break;
194			case KW_digestion: f.get (pl->digestion); break;
195			case KW_pickup: f.get (pl->mode); break;
196			case KW_outputs_sync: f.get (pl->outputs_sync); break;
197			case KW_outputs_count: f.get (pl->outputs_count); break;
198			case KW_map: f.get (pl->maplevel); break;
199			case KW_savebed_map: f.get (pl->savebed_map); break;
200			case KW_bed_x: f.get (pl->bed_x); break;
201			case KW_bed_y: f.get (pl->bed_y); break;
202			case KW_weapon_sp: f.get (pl->weapon_sp); break;
203			case KW_Str: f.get (pl->orig_stats.Str); break;
204			case KW_Dex: f.get (pl->orig_stats.Dex); break;
205			case KW_Con: f.get (pl->orig_stats.Con); break;
206			case KW_Int: f.get (pl->orig_stats.Int); break;
207			case KW_Pow: f.get (pl->orig_stats.Pow); break;
208			case KW_Wis: f.get (pl->orig_stats.Wis); break;
209			case KW_Cha: f.get (pl->orig_stats.Cha); break;
210			case KW_gen_hp: f.get (pl->gen_hp); break;
211			case KW_gen_sp: f.get (pl->gen_sp); break;
212			case KW_gen_grace: f.get (pl->gen_grace); break;
213	root	1.14
214			case KW_usekeys:
215	root	1.21	if (!strcmp (f.get_str (), "key_inventory"))
216	root	1.14	pl->usekeys = key_inventory;
217	root	1.21	else if (!strcmp (f.get_str (), "keyrings"))
218	root	1.14	pl->usekeys = keyrings;
219	root	1.21	else if (!strcmp (f.get_str (), "containers"))
220	root	1.14	pl->usekeys = containers;
221			else
222	root	1.21	LOG (llevDebug, "load_player: got unknown usekeys type: %s\n", f.get_str ());
223	root	1.14	break;
224
225			case KW_unapply:
226	root	1.21	if (!strcmp (f.get_str (), "unapply_nochoice"))
227	root	1.14	pl->unapply = unapply_nochoice;
228	root	1.21	else if (!strcmp (f.get_str (), "unapply_never"))
229	root	1.14	pl->unapply = unapply_never;
230	root	1.21	else if (!strcmp (f.get_str (), "unapply_always"))
231	root	1.14	pl->unapply = unapply_always;
232			else
233	root	1.21	LOG (llevDebug, "load_player: got unknown unapply type: %s\n", f.get_str ());
234	root	1.14	break;
235
236			case KW_lev_array:
237			{
238	root	1.21	int count = f.get_sint32 ();
239	root	1.14
240			for (int i = 1; i <= count; i++)
241			{
242	root	1.16	char line [32];
243	root	1.14
244	root	1.21	fgets (line, 32, f); pl->levhp [i] = atoi (line);
245			fgets (line, 32, f); pl->levsp [i] = atoi (line);
246			fgets (line, 32, f); pl->levgrace[i] = atoi (line);
247	root	1.14	}
248			}
249			break;
250			}
251
252	root	1.21	f.next ();
253	root	1.14	}
254
255	root	1.18	failure:
256	root	1.21	LOG (llevError, "%s: too many or too grave errors, aborting player load.\n", f.name);
257	root	1.18
258	root	1.22	if (pl->ob)
259			pl->ob->destroy ();
260
261	root	1.18	pl->destroy ();
262
263			return 0;
264	root	1.14	}
265
266			player *
267			player::load_pl (const char *path)
268			{
269	root	1.21	object_thawer f (path);
270	root	1.14
271	root	1.21	if (!f)
272	root	1.14	return 0;
273
274	root	1.21	f.next ();
275
276			return load_pl (f);
277	root	1.14	}
278