server/common/player.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002,2007 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 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>

//+GPL

/* 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;
}

/*
 * 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    ? CS(key_inventory)    : (usekeys == keyrings      ? CS(keyrings)      : CS(containers)));
  freezer.put (KW(unapply), unapply == unapply_nochoice ? CS(unapply_nochoice) : (unapply == unapply_never ? CS(unapply_never) : CS(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));

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

  /* 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;
}

//-GPL

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_utf8_string
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';
          /* \r\n+ becomes one or more newlines */
          while (*cfpod == '\n')
            buf << *cfpod++;
          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 << '\n';
          else
            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 'Z': pfx = ""        ; sfx = ""          ; 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 available]</fg>";
                        else
                          while (*cfpod <= ' '&& *cfpod) // eat trailing whitespace
                            ++cfpod;

                        goto skip;
                      }
                    else
                      {
                        pfx = "<fg name=\"lightblue\">[Hint: ";
                        sfx = "]</fg>";
                      }
                  }
                  break;

                case 'G': // gender
                  {
                    cfpod = 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)
                          buf.add (sep + 1, nest.size () - (sep - str) - 2);
                        else
                          buf.add (str, sep - str);
                      }

                    nest.clear ();

                    goto skip;
                  }

                default:
                   pfx = "UNKNOWN_DIRECTIVE{";
                   sfx = "}";
                   break;
              }

            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 == '\n')
                buf << *cfpod++;
            }
          while (*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:	1.63
Committed:	Sat Jan 30 23:30:26 2010 UTC (14 years, 3 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_93
Changes since 1.62:	+0 -16 lines
Log Message:	* empty log message *
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 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 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
27	//+GPL
28
29	/* Determine if the attacktype represented by the
30	* specified attack-number is enabled for dragon players.
31	* A dragon player (quetzal) can gain resistances for
32	* all enabled attacktypes.
33	*/
34	int
35	atnr_is_dragon_enabled (int attacknr)
36	{
37	if (attacknr == ATNR_MAGIC \|\| attacknr == ATNR_FIRE \|\|
38	attacknr == ATNR_ELECTRICITY \|\| attacknr == ATNR_COLD \|\| attacknr == ATNR_ACID \|\| attacknr == ATNR_POISON)
39	return 1;
40
41	return 0;
42	}
43
44	/*
45	* If final is set, it a clean/final save, not a backup, ie dont remove objects from inventory
46	*/
47	bool
48	player::save_pl (object_freezer &freezer)
49	{
50	INVOKE_PLAYER (SAVE, ob->contr);
51
52	int wiz = ob->flag [FLAG_WIZ];
53
54	/* Eneq(@csd.uu.se): If we have an open container hide it. */
55	object *container = ob->container_ ();
56	ob->container = 0;
57
58	if (ob->map)
59	maplevel = ob->map->path;
60
61	#define PL_OUT(k) freezer.put (KW(k), k)
62	#define PL_OUT2(k,v) freezer.put (KW(k), v)
63
64	PL_OUT (password);
65	PL_OUT2 (title, own_title);
66	PL_OUT (gender);
67	PL_OUT (hintmode);
68	PL_OUT (gen_hp);
69	PL_OUT (gen_sp);
70	PL_OUT (gen_grace);
71	PL_OUT (bowtype);
72	PL_OUT (petmode);
73	PL_OUT (peaceful);
74	PL_OUT (digestion);
75	PL_OUT2 (pickup, mode);
76	PL_OUT (outputs_sync);
77	PL_OUT (outputs_count);
78
79	freezer.put (KW(usekeys), usekeys == key_inventory ? CS(key_inventory) : (usekeys == keyrings ? CS(keyrings) : CS(containers)));
80	freezer.put (KW(unapply), unapply == unapply_nochoice ? CS(unapply_nochoice) : (unapply == unapply_never ? CS(unapply_never) : CS(unapply_always)));
81
82	PL_OUT2 (map, maplevel);
83	PL_OUT (savebed_map);
84	PL_OUT (bed_x);
85	PL_OUT (bed_y);
86	PL_OUT (weapon_sp);
87	PL_OUT (weapon_sp_left);
88	PL_OUT2 (Str, orig_stats.Str);
89	PL_OUT2 (Dex, orig_stats.Dex);
90	PL_OUT2 (Con, orig_stats.Con);
91	PL_OUT2 (Int, orig_stats.Int);
92	PL_OUT2 (Pow, orig_stats.Pow);
93	PL_OUT2 (Wis, orig_stats.Wis);
94	PL_OUT2 (Cha, orig_stats.Cha);
95
96	PL_OUT2 (lev_array, 10);
97
98	for (int i = 1; i <= 10; i++)
99	{
100	freezer.add (levhp [i]); freezer.add ('\n');
101	freezer.add (levsp [i]); freezer.add ('\n');
102	freezer.add (levgrace[i]); freezer.add ('\n');
103	}
104
105	freezer.put (ob->contr);
106	freezer.put (KW(endplst));
107
108	CLEAR_FLAG (ob, FLAG_WIZ);
109	ob->write (freezer);
110
111	/* Eneq(@csd.uu.se): Reveal the container if we have one. */
112	ob->container = container;
113
114	ob->flag [FLAG_WIZ] = wiz;
115
116	INVOKE_PLAYER (SAVE_DONE, ob->contr);
117
118	return true;
119	}
120
121	//-GPL
122
123	bool
124	player::save_pl (const char *path)
125	{
126	object_freezer freezer;
127
128	if (!save_pl (freezer))
129	return false;
130
131	return freezer.save (path);
132	}
133
134	player *
135	player::load_pl (object_thawer &f)
136	{
137	int maxerrs = 20;
138
139	player *pl = new player;
140
141	pl->savebed_map = first_map_path;
142
143	/* Loop through the file, loading the rest of the values */
144	for (;;)
145	{
146	switch (f.kw)
147	{
148	case KW_EOF:
149	LOG (llevError, "%s: unexpected EOF while reading player header\n", f.name);
150	goto failure;
151
152	default:
153	LOG (llevError, "%s: skipping unknown key in player header: %s\n", f.name, f.kw_str);
154	if (!--maxerrs) goto failure;
155	break;
156
157	case KW_ERROR:
158	LOG (llevError, "%s: parse error while reading player header, skipping (%s,%s).\n", f.name, f.kw_str, f.value);
159	if (!--maxerrs) goto failure;
160	break;
161
162	case KW_endplst:
163	f.next ();
164
165	if (object *op = pl->ob->read (f))
166	pl->set_object (op);
167	else
168	goto failure;
169
170	INVOKE_PLAYER (LOAD, pl);
171
172	return pl;
173
174	case KW_oid: f.get (pl, f.get_sint32 ()); break;
175	case KW_password: assign (pl->password , f.get_str ()); break;
176	case KW_title: assign (pl->own_title, f.get_str ()); break;
177	case KW_bowtype: pl->bowtype = (bowtype_t) f.get_sint32 (); break;
178	case KW_petmode: pl->petmode = (petmode_t) f.get_sint32 (); break;
179	case KW_gender: f.get (pl->gender); break;
180	case KW_hintmode: f.get (pl->hintmode); break;
181	case KW_listening: /TODO/; break;
182	case KW_peaceful: f.get (pl->peaceful); break;
183	case KW_digestion: f.get (pl->digestion); break;
184	case KW_pickup: f.get (pl->mode); break;
185	case KW_outputs_sync: f.get (pl->outputs_sync); break;
186	case KW_outputs_count: f.get (pl->outputs_count); break;
187	case KW_map: f.get (pl->maplevel); break;
188	case KW_savebed_map: f.get (pl->savebed_map); break;
189	case KW_bed_x: f.get (pl->bed_x); break;
190	case KW_bed_y: f.get (pl->bed_y); break;
191	case KW_weapon_sp: f.get (pl->weapon_sp); break;
192	case KW_weapon_sp_left:f.get (pl->weapon_sp_left); break;
193	case KW_Str: f.get (pl->orig_stats.Str); break;
194	case KW_Dex: f.get (pl->orig_stats.Dex); break;
195	case KW_Con: f.get (pl->orig_stats.Con); break;
196	case KW_Int: f.get (pl->orig_stats.Int); break;
197	case KW_Pow: f.get (pl->orig_stats.Pow); break;
198	case KW_Wis: f.get (pl->orig_stats.Wis); break;
199	case KW_Cha: f.get (pl->orig_stats.Cha); break;
200	case KW_gen_hp: f.get (pl->gen_hp); break;
201	case KW_gen_sp: f.get (pl->gen_sp); break;
202	case KW_gen_grace: f.get (pl->gen_grace); break;
203
204	case KW_usekeys:
205	if (!strcmp (f.get_str (), "key_inventory"))
206	pl->usekeys = key_inventory;
207	else if (!strcmp (f.get_str (), "keyrings"))
208	pl->usekeys = keyrings;
209	else if (!strcmp (f.get_str (), "containers"))
210	pl->usekeys = containers;
211	else
212	LOG (llevDebug, "load_player: got unknown usekeys type: %s\n", f.get_str ());
213	break;
214
215	case KW_unapply:
216	if (!strcmp (f.get_str (), "unapply_nochoice"))
217	pl->unapply = unapply_nochoice;
218	else if (!strcmp (f.get_str (), "unapply_never"))
219	pl->unapply = unapply_never;
220	else if (!strcmp (f.get_str (), "unapply_always"))
221	pl->unapply = unapply_always;
222	else
223	LOG (llevDebug, "load_player: got unknown unapply type: %s\n", f.get_str ());
224	break;
225
226	case KW_lev_array:
227	{
228	int count = f.get_sint32 ();
229
230	for (int i = 1; i <= count; i++)
231	{
232	char line [32];
233
234	fgets (line, 32, f); pl->levhp [i] = atoi (line);
235	fgets (line, 32, f); pl->levsp [i] = atoi (line);
236	fgets (line, 32, f); pl->levgrace[i] = atoi (line);
237	}
238	}
239	break;
240	}
241
242	f.next ();
243	}
244
245	failure:
246	LOG (llevError, "%s: too many or too grave errors, aborting player load.\n", f.name);
247
248	if (pl->ob)
249	pl->ob->destroy ();
250
251	pl->destroy ();
252
253	return 0;
254	}
255
256	const_utf8_string
257	player::killer_name () const
258	{
259	static char buf [2048];
260
261	if (!killer)
262	return "a dungeon collapse";
263	else if (killer->contr)
264	snprintf (buf, sizeof (buf), "%s the %s", &killer->name,
265	*killer->contr->own_title ? killer->contr->own_title : killer->contr->title);
266	else if (killer->type == DEEP_SWAMP)
267	snprintf (buf, sizeof (buf), "drowning in a %s", &killer->name);
268	else if (killer->owner)
269	snprintf (buf, sizeof (buf), "%s's %s", &killer->outer_owner ()->name, &killer->name);
270	else
271	return &killer->name;
272
273	return buf;
274	}
275
276	// expand one level of cfpod
277	// end == -2, till '\n'
278	// end == -1, till '>'
279	// end == 0, till eos
280	// end >= 1, levels of " >>>"
281	static const char *
282	expand_cfpod (const player pl, dynbuf_text &buf, const char cfpod, int end = 0)
283	{
284	static dynbuf_text nest(128, 128);
285
286	for (;;)
287	switch (char ch = *cfpod++)
288	{
289	case 0:
290	return cfpod - 1;
291
292	case ' ':
293	// verbatim block?
294	if (!buf.size () && !end)
295	{
296	--cfpod;
297	goto verbatim;
298	}
299
300	if (end < 1)
301	goto passthrough;
302
303	for (int i = 0; i < end; ++i)
304	if (cfpod [i] != '>')
305	goto passthrough;
306
307	return cfpod + end;
308
309	case '>':
310	if (end != -1)
311	{
312	buf << ">";
313	break;
314	}
315
316	return cfpod;
317
318	case '&':
319	buf << "&";
320	break;
321
322	case '<':
323	buf << "<";
324	break;
325
326	case '\r':
327	buf << '\n';
328	/* \r\n+ becomes one or more newlines */
329	while (*cfpod == '\n')
330	buf << *cfpod++;
331	break;
332
333	case '\n':
334	if (end == -2)
335	return cfpod;
336
337	// \n\ => newline, tt
338	// \n\n => \n\n
339	// \n => single space
340
341	// two or more newlines will be copied verbatim, one is replaced by space
342	if (*cfpod == '\n')
343	{
344	--cfpod;
345	do
346	buf << *cfpod++;
347	while (*cfpod == '\n');
348	}
349	else if (*cfpod == ' ')
350	buf << '\n';
351	else
352	buf << ' ';
353
354	// verbatim block?
355	if (*cfpod == ' ')
356	goto verbatim;
357
358	break;
359
360	case 'B': case 'C': case 'E': case 'G':
361	case 'H': case 'I': case 'T': case 'U':
362	case 'Z':
363	{
364	int end = 0;
365
366	while (cfpod [end] == '<')
367	++end;
368
369	if (!end)
370	goto passthrough;
371
372	if (end == 1 \|\| cfpod [end] != ' ')
373	{
374	end = -1;
375	++cfpod;
376	}
377	else
378	cfpod += end + 1;
379
380	const char pfx, sfx;
381
382	switch (ch)
383	{
384	case 'B': pfx = "<b>" ; sfx = "</b>" ; break;
385	case 'C': pfx = "<tt>" ; sfx = "</tt>" ; break;
386	case 'E': pfx = "&" ; sfx = ";" ; break;
387	case 'I': pfx = "<i>" ; sfx = "</i>" ; break;
388	case 'U': pfx = "<u>" ; sfx = "</u>" ; break;
389	case 'T': pfx = "<big><b>"; sfx = "</b></big>"; break;
390	case 'Z': pfx = "" ; sfx = "" ; break;
391
392	case 'H': // hint
393	{
394	if (pl->hintmode)
395	{
396	cfpod = expand_cfpod (pl, nest, cfpod, end);
397	nest.clear ();
398
399	if (pl->hintmode == 1)
400	buf << "<fg name=\"lightblue\">[Hint available]</fg>";
401	else
402	while (cfpod <= ' '&& cfpod) // eat trailing whitespace
403	++cfpod;
404
405	goto skip;
406	}
407	else
408	{
409	pfx = "<fg name=\"lightblue\">[Hint: ";
410	sfx = "]</fg>";
411	}
412	}
413	break;
414
415	case 'G': // gender
416	{
417	cfpod = expand_cfpod (pl, nest, cfpod, end);
418	nest << '\0'; // zero-terminate
419
420	const char *str = nest.linearise ();
421	const char *sep = strchr (str, '\|');
422
423	if (sep)
424	{
425	if (pl->gender)
426	buf.add (sep + 1, nest.size () - (sep - str) - 2);
427	else
428	buf.add (str, sep - str);
429	}
430
431	nest.clear ();
432
433	goto skip;
434	}
435
436	default:
437	pfx = "UNKNOWN_DIRECTIVE{";
438	sfx = "}";
439	break;
440	}
441
442	buf << pfx;
443	cfpod = expand_cfpod (pl, buf, cfpod, end);
444	buf << sfx;
445	}
446
447	break;
448
449	default:
450	passthrough:
451	buf << ch;
452	skip:
453	break;
454
455	verbatim:
456	// elements cannot currently span multiple lines
457	do
458	{
459	buf << "<tt>";
460	cfpod = expand_cfpod (pl, buf, cfpod, -2);
461	buf << "</tt>\n";
462
463	while (*cfpod == '\n')
464	buf << *cfpod++;
465	}
466	while (*cfpod == ' ');
467
468	break;
469	}
470	}
471
472	dynbuf_text *
473	player::expand_cfpod (const char *cfpod) const
474	{
475	static dynbuf_text buf(1024, 1024);
476	buf.clear ();
477
478	::expand_cfpod (this, buf, cfpod);
479
480	return &buf;
481	}
482