server/common/player.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>
 */

#include <global.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
      && op->type == PLAYER
      && op->arch
      && op->arch->race
      && !strcmp (op->arch->race, "dragon"))
    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  (gender);
  PL_OUT  (hintmode);
  PL_OUT  (gen_hp);
  PL_OUT  (gen_sp);
  PL_OUT  (gen_grace);
  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_OUT  (weapon_sp_left);
  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++)
    {
      freezer.add (levhp   [i]); freezer.add ('\n');
      freezer.add (levsp   [i]); freezer.add ('\n');
      freezer.add (levgrace[i]); freezer.add ('\n');
    }

  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_bowtype:       pl->bowtype   = (bowtype_t) f.get_sint32 (); break;
          case KW_petmode:       pl->petmode   = (petmode_t) f.get_sint32 (); break;
          case KW_gender:        f.get (pl->gender); break;
          case KW_hintmode:      f.get (pl->hintmode); break;
          case KW_listening:     /*TODO*/; 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_weapon_sp_left:f.get (pl->weapon_sp_left); 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;
}

const char *
player::killer_name () const
{
  static char buf [2048];

  if (!killer)
    return "a dungeon collapse";
  else if (killer->contr)
    snprintf (buf, sizeof (buf), "%s the %s", &killer->name,
              *killer->contr->own_title ? killer->contr->own_title : killer->contr->title);
  else if (killer->type == DEEP_SWAMP)
    snprintf (buf, sizeof (buf), "drowning in a %s", &killer->name);
  else if (killer->owner)
    snprintf (buf, sizeof (buf), "%s's %s", &killer->outer_owner ()->name, &killer->name);
  else
    return &killer->name;

  return buf;
}

// expand one level of cfpod
// end == -2, till '\n'
// end == -1, till '>'
// end == 0, till eos
// end >= 1, levels of " >>>"
static const char *
expand_cfpod (const player *pl, dynbuf_text &buf, const char *cfpod, int end = 0)
{
  static dynbuf_text nest(128, 128);

  for (;;)
    switch (char ch = *cfpod++)
      {
        case 0:
          return cfpod - 1;

        case ' ':
          // verbatim block?
          if (!buf.size () && !end)
            {
              --cfpod;
              goto verbatim;
            }

          if (end < 1)
            goto passthrough;

          for (int i = 0; i < end; ++i)
            if (cfpod [i] != '>')
              goto passthrough;

          return cfpod + end;

        case '>':
          if (end != -1)
            {
              buf << "&gt;";
              break;
            }

          return cfpod;

        case '&':
          buf << "&amp;";
          break;

        case '<':
          buf << "&lt;";
          break;

        case '\r':
          buf << '\n';
          break;

        case '\n':
          if (end == -2)
            return cfpod;

          // \n\  => newline, tt
          // \n\n => \n\n
          // \n   => single space

          // two or more newlines will be copied verbatim, one is replaced by space
          if (*cfpod == '\n')
            {
              --cfpod;
              do
                buf << *cfpod++;
              while (*cfpod == '\n');
            }
          else if (*cfpod != ' ')
            buf << ' ';

          // verbatim block?
          if (*cfpod == ' ')
            goto verbatim;

          break;

        case 'B': case 'C': case 'E': case 'G':
        case 'H': case 'I': case 'T': case 'U':
        case 'Z':
          {
            int end = 0;

            while (cfpod [end] == '<')
              ++end;

            if (!end)
              goto passthrough;

            if (end == 1 || cfpod [end] != ' ')
              {
                end = -1;
                ++cfpod;
              }
            else
              cfpod += end + 1;

            const char *pfx, *sfx;

            switch (ch)
              {
                case 'B': pfx = "<b>"     ; sfx = "</b>"      ; break;
                case 'C': pfx = "<tt>"    ; sfx = "</tt>"     ; break;
                case 'E': pfx = "&"       ; sfx = ";"         ; break;
                case 'I': pfx = "<i>"     ; sfx = "</i>"      ; break;
                case 'U': pfx = "<u>"     ; sfx = "</u>"      ; break;
                case 'T': pfx = "<big><b>"; sfx = "</b></big>"; break;

                case 'H': // hint
                  {
                    if (pl->hintmode)
                      {
                        cfpod = expand_cfpod (pl, nest, cfpod, end);
                        nest.clear ();

                        if (pl->hintmode == 1)
                          buf << "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>";
                        else
                          while (*cfpod == ' ') // eat trailing whitespace
                            ++cfpod;

                        goto skip;
                      }
                    else
                      {
                        pfx = "<fg name=\"lightblue\">[";
                        sfx = " (Use hintmode to suppress hints)]</fg>";
                      }
                  }
                  break;

                case 'G': // gender
                  {
                    expand_cfpod (pl, nest, cfpod, end);
                    nest << '\0'; // zero-terminate

                    const char *str = nest.linearise ();
                    const char *sep = strchr (str, '|');

                    if (sep)
                      {
                        if (pl->gender || 1)
                          buf.add (sep + 1, nest.size () - (sep - str) - 2);
                        else
                          buf.add (str, sep - str);
                      }

                    nest.clear ();

                    goto skip;
                  }
              }

            buf << pfx;
            cfpod = expand_cfpod (pl, buf, cfpod, end);
            buf << sfx;
          }

          break;

        default:
          passthrough:
            buf << ch;
          skip:
            break;

        verbatim:
          // elements cannot currently span multiple lines
          do
            {
              buf << "<tt>";
              cfpod = expand_cfpod (pl, buf, cfpod, -2);
              buf << "</tt>\n";
            }
          while (*cfpod == ' ');

          while (*cfpod == '\n')
            buf << *cfpod++;

          break;
      }
}

dynbuf_text *
player::expand_cfpod (const char *cfpod) const
{
  static dynbuf_text buf(1024, 1024);
  buf.clear ();

  ::expand_cfpod (this, buf, cfpod);

  return &buf;
}

Revision:	1.44
Committed:	Tue Sep 9 10:51:59 2008 UTC (15 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.43:	+26 -16 lines
Log Message:	improve parser, nice switch statement
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*
8	* Deliantra 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 3 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, see <http://www.gnu.org/licenses/>.
20	*
21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/
23
24	#include <global.h>
25
26	/* Determine if the attacktype represented by the
27	* specified attack-number is enabled for dragon players.
28	* A dragon player (quetzal) can gain resistances for
29	* all enabled attacktypes.
30	*/
31	int
32	atnr_is_dragon_enabled (int attacknr)
33	{
34	if (attacknr == ATNR_MAGIC \|\| attacknr == ATNR_FIRE \|\|
35	attacknr == ATNR_ELECTRICITY \|\| attacknr == ATNR_COLD \|\| attacknr == ATNR_ACID \|\| attacknr == ATNR_POISON)
36	return 1;
37
38	return 0;
39	}
40
41	/*
42	* returns true if the adressed object 'ob' is a player
43	* of the dragon race.
44	*/
45	int
46	is_dragon_pl (const object *op)
47	{
48	if (op
49	&& op->type == PLAYER
50	&& op->arch
51	&& op->arch->race
52	&& !strcmp (op->arch->race, "dragon"))
53	return 1;
54
55	return 0;
56	}
57
58	/*
59	* If final is set, it a clean/final save, not a backup, ie dont remove objects from inventory
60	*/
61	bool
62	player::save_pl (object_freezer &freezer)
63	{
64	INVOKE_PLAYER (SAVE, ob->contr);
65
66	int wiz = ob->flag [FLAG_WIZ];
67
68	/* Eneq(@csd.uu.se): If we have an open container hide it. */
69	object *container = ob->container;
70	ob->container = 0;
71
72	if (ob->map)
73	maplevel = ob->map->path;
74
75	#define PL_OUT(k) freezer.put (KW_ ## k, k)
76	#define PL_OUT2(k,v) freezer.put (KW_ ## k, v)
77
78	PL_OUT (password);
79	PL_OUT2 (title, own_title);
80	PL_OUT (gender);
81	PL_OUT (hintmode);
82	PL_OUT (gen_hp);
83	PL_OUT (gen_sp);
84	PL_OUT (gen_grace);
85	PL_OUT (bowtype);
86	PL_OUT (petmode);
87	PL_OUT (peaceful);
88	PL_OUT (digestion);
89	PL_OUT2 (pickup, mode);
90	PL_OUT (outputs_sync);
91	PL_OUT (outputs_count);
92
93	freezer.put (KW_usekeys, usekeys == key_inventory ? "key_inventory" : (usekeys == keyrings ? "keyrings" : "containers"));
94	freezer.put (KW_unapply, unapply == unapply_nochoice ? "unapply_nochoice" : (unapply == unapply_never ? "unapply_never" : "unapply_always"));
95
96	PL_OUT2 (map, maplevel);
97	PL_OUT (savebed_map);
98	PL_OUT (bed_x);
99	PL_OUT (bed_y);
100	PL_OUT (weapon_sp);
101	PL_OUT (weapon_sp_left);
102	PL_OUT2 (Str, orig_stats.Str);
103	PL_OUT2 (Dex, orig_stats.Dex);
104	PL_OUT2 (Con, orig_stats.Con);
105	PL_OUT2 (Int, orig_stats.Int);
106	PL_OUT2 (Pow, orig_stats.Pow);
107	PL_OUT2 (Wis, orig_stats.Wis);
108	PL_OUT2 (Cha, orig_stats.Cha);
109
110	PL_OUT2 (lev_array, 10);
111
112	for (int i = 1; i <= 10; i++)
113	{
114	freezer.add (levhp [i]); freezer.add ('\n');
115	freezer.add (levsp [i]); freezer.add ('\n');
116	freezer.add (levgrace[i]); freezer.add ('\n');
117	}
118
119	freezer.put (ob->contr);
120	freezer.put (KW_endplst);
121
122	SET_FLAG (ob, FLAG_NO_FIX_PLAYER);
123	CLEAR_FLAG (ob, FLAG_WIZ);
124	ob->write (freezer);
125
126	CLEAR_FLAG (ob, FLAG_NO_FIX_PLAYER);
127
128	/* Eneq(@csd.uu.se): Reveal the container if we have one. */
129	ob->container = container;
130
131	ob->flag [FLAG_WIZ] = wiz;
132
133	INVOKE_PLAYER (SAVE_DONE, ob->contr);
134
135	return true;
136	}
137
138	bool
139	player::save_pl (const char *path)
140	{
141	object_freezer freezer;
142
143	if (!save_pl (freezer))
144	return false;
145
146	return freezer.save (path);
147	}
148
149	player *
150	player::load_pl (object_thawer &f)
151	{
152	int maxerrs = 20;
153
154	player *pl = new player;
155
156	pl->savebed_map = first_map_path;
157
158	/* Loop through the file, loading the rest of the values */
159	for (;;)
160	{
161	switch (f.kw)
162	{
163	case KW_EOF:
164	LOG (llevError, "%s: unexpected EOF while reading player header\n", f.name);
165	goto failure;
166
167	default:
168	LOG (llevError, "%s: skipping unknown key in player header: %s\n", f.name, f.kw_str);
169	if (!--maxerrs) goto failure;
170	break;
171
172	case KW_ERROR:
173	LOG (llevError, "%s: parse error while reading player header, skipping (%s,%s).\n", f.name, f.kw_str, f.value);
174	if (!--maxerrs) goto failure;
175	break;
176
177	case KW_endplst:
178	f.next ();
179
180	if (object *op = pl->ob->read (f))
181	pl->set_object (op);
182	else
183	goto failure;
184
185	INVOKE_PLAYER (LOAD, pl);
186
187	return pl;
188
189	case KW_oid: f.get (pl, f.get_sint32 ()); break;
190	case KW_password: assign (pl->password , f.get_str ()); break;
191	case KW_title: assign (pl->own_title, f.get_str ()); break;
192	case KW_bowtype: pl->bowtype = (bowtype_t) f.get_sint32 (); break;
193	case KW_petmode: pl->petmode = (petmode_t) f.get_sint32 (); break;
194	case KW_gender: f.get (pl->gender); break;
195	case KW_hintmode: f.get (pl->hintmode); break;
196	case KW_listening: /TODO/; break;
197	case KW_peaceful: f.get (pl->peaceful); break;
198	case KW_digestion: f.get (pl->digestion); break;
199	case KW_pickup: f.get (pl->mode); break;
200	case KW_outputs_sync: f.get (pl->outputs_sync); break;
201	case KW_outputs_count: f.get (pl->outputs_count); break;
202	case KW_map: f.get (pl->maplevel); break;
203	case KW_savebed_map: f.get (pl->savebed_map); break;
204	case KW_bed_x: f.get (pl->bed_x); break;
205	case KW_bed_y: f.get (pl->bed_y); break;
206	case KW_weapon_sp: f.get (pl->weapon_sp); break;
207	case KW_weapon_sp_left:f.get (pl->weapon_sp_left); break;
208	case KW_Str: f.get (pl->orig_stats.Str); break;
209	case KW_Dex: f.get (pl->orig_stats.Dex); break;
210	case KW_Con: f.get (pl->orig_stats.Con); break;
211	case KW_Int: f.get (pl->orig_stats.Int); break;
212	case KW_Pow: f.get (pl->orig_stats.Pow); break;
213	case KW_Wis: f.get (pl->orig_stats.Wis); break;
214	case KW_Cha: f.get (pl->orig_stats.Cha); break;
215	case KW_gen_hp: f.get (pl->gen_hp); break;
216	case KW_gen_sp: f.get (pl->gen_sp); break;
217	case KW_gen_grace: f.get (pl->gen_grace); break;
218
219	case KW_usekeys:
220	if (!strcmp (f.get_str (), "key_inventory"))
221	pl->usekeys = key_inventory;
222	else if (!strcmp (f.get_str (), "keyrings"))
223	pl->usekeys = keyrings;
224	else if (!strcmp (f.get_str (), "containers"))
225	pl->usekeys = containers;
226	else
227	LOG (llevDebug, "load_player: got unknown usekeys type: %s\n", f.get_str ());
228	break;
229
230	case KW_unapply:
231	if (!strcmp (f.get_str (), "unapply_nochoice"))
232	pl->unapply = unapply_nochoice;
233	else if (!strcmp (f.get_str (), "unapply_never"))
234	pl->unapply = unapply_never;
235	else if (!strcmp (f.get_str (), "unapply_always"))
236	pl->unapply = unapply_always;
237	else
238	LOG (llevDebug, "load_player: got unknown unapply type: %s\n", f.get_str ());
239	break;
240
241	case KW_lev_array:
242	{
243	int count = f.get_sint32 ();
244
245	for (int i = 1; i <= count; i++)
246	{
247	char line [32];
248
249	fgets (line, 32, f); pl->levhp [i] = atoi (line);
250	fgets (line, 32, f); pl->levsp [i] = atoi (line);
251	fgets (line, 32, f); pl->levgrace[i] = atoi (line);
252	}
253	}
254	break;
255	}
256
257	f.next ();
258	}
259
260	failure:
261	LOG (llevError, "%s: too many or too grave errors, aborting player load.\n", f.name);
262
263	if (pl->ob)
264	pl->ob->destroy ();
265
266	pl->destroy ();
267
268	return 0;
269	}
270
271	const char *
272	player::killer_name () const
273	{
274	static char buf [2048];
275
276	if (!killer)
277	return "a dungeon collapse";
278	else if (killer->contr)
279	snprintf (buf, sizeof (buf), "%s the %s", &killer->name,
280	*killer->contr->own_title ? killer->contr->own_title : killer->contr->title);
281	else if (killer->type == DEEP_SWAMP)
282	snprintf (buf, sizeof (buf), "drowning in a %s", &killer->name);
283	else if (killer->owner)
284	snprintf (buf, sizeof (buf), "%s's %s", &killer->outer_owner ()->name, &killer->name);
285	else
286	return &killer->name;
287
288	return buf;
289	}
290
291	// expand one level of cfpod
292	// end == -2, till '\n'
293	// end == -1, till '>'
294	// end == 0, till eos
295	// end >= 1, levels of " >>>"
296	static const char *
297	expand_cfpod (const player pl, dynbuf_text &buf, const char cfpod, int end = 0)
298	{
299	static dynbuf_text nest(128, 128);
300
301	for (;;)
302	switch (char ch = *cfpod++)
303	{
304	case 0:
305	return cfpod - 1;
306
307	case ' ':
308	// verbatim block?
309	if (!buf.size () && !end)
310	{
311	--cfpod;
312	goto verbatim;
313	}
314
315	if (end < 1)
316	goto passthrough;
317
318	for (int i = 0; i < end; ++i)
319	if (cfpod [i] != '>')
320	goto passthrough;
321
322	return cfpod + end;
323
324	case '>':
325	if (end != -1)
326	{
327	buf << ">";
328	break;
329	}
330
331	return cfpod;
332
333	case '&':
334	buf << "&";
335	break;
336
337	case '<':
338	buf << "<";
339	break;
340
341	case '\r':
342	buf << '\n';
343	break;
344
345	case '\n':
346	if (end == -2)
347	return cfpod;
348
349	// \n\ => newline, tt
350	// \n\n => \n\n
351	// \n => single space
352
353	// two or more newlines will be copied verbatim, one is replaced by space
354	if (*cfpod == '\n')
355	{
356	--cfpod;
357	do
358	buf << *cfpod++;
359	while (*cfpod == '\n');
360	}
361	else if (*cfpod != ' ')
362	buf << ' ';
363
364	// verbatim block?
365	if (*cfpod == ' ')
366	goto verbatim;
367
368	break;
369
370	case 'B': case 'C': case 'E': case 'G':
371	case 'H': case 'I': case 'T': case 'U':
372	case 'Z':
373	{
374	int end = 0;
375
376	while (cfpod [end] == '<')
377	++end;
378
379	if (!end)
380	goto passthrough;
381
382	if (end == 1 \|\| cfpod [end] != ' ')
383	{
384	end = -1;
385	++cfpod;
386	}
387	else
388	cfpod += end + 1;
389
390	const char pfx, sfx;
391
392	switch (ch)
393	{
394	case 'B': pfx = "<b>" ; sfx = "</b>" ; break;
395	case 'C': pfx = "<tt>" ; sfx = "</tt>" ; break;
396	case 'E': pfx = "&" ; sfx = ";" ; break;
397	case 'I': pfx = "<i>" ; sfx = "</i>" ; break;
398	case 'U': pfx = "<u>" ; sfx = "</u>" ; break;
399	case 'T': pfx = "<big><b>"; sfx = "</b></big>"; break;
400
401	case 'H': // hint
402	{
403	if (pl->hintmode)
404	{
405	cfpod = expand_cfpod (pl, nest, cfpod, end);
406	nest.clear ();
407
408	if (pl->hintmode == 1)
409	buf << "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>";
410	else
411	while (*cfpod == ' ') // eat trailing whitespace
412	++cfpod;
413
414	goto skip;
415	}
416	else
417	{
418	pfx = "<fg name=\"lightblue\">[";
419	sfx = " (Use hintmode to suppress hints)]</fg>";
420	}
421	}
422	break;
423
424	case 'G': // gender
425	{
426	expand_cfpod (pl, nest, cfpod, end);
427	nest << '\0'; // zero-terminate
428
429	const char *str = nest.linearise ();
430	const char *sep = strchr (str, '\|');
431
432	if (sep)
433	{
434	if (pl->gender \|\| 1)
435	buf.add (sep + 1, nest.size () - (sep - str) - 2);
436	else
437	buf.add (str, sep - str);
438	}
439
440	nest.clear ();
441
442	goto skip;
443	}
444	}
445
446	buf << pfx;
447	cfpod = expand_cfpod (pl, buf, cfpod, end);
448	buf << sfx;
449	}
450
451	break;
452
453	default:
454	passthrough:
455	buf << ch;
456	skip:
457	break;
458
459	verbatim:
460	// elements cannot currently span multiple lines
461	do
462	{
463	buf << "<tt>";
464	cfpod = expand_cfpod (pl, buf, cfpod, -2);
465	buf << "</tt>\n";
466	}
467	while (*cfpod == ' ');
468
469	while (*cfpod == '\n')
470	buf << *cfpod++;
471
472	break;
473	}
474	}
475
476	dynbuf_text *
477	player::expand_cfpod (const char *cfpod) const
478	{
479	static dynbuf_text buf(1024, 1024);
480	buf.clear ();
481
482	::expand_cfpod (this, buf, cfpod);
483
484	return &buf;
485	}
486