server/socket/info.C

/*
 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT 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 Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

/**
 * \file
 * Basic client output functions.
 *
 * \date 2003-12-02
 *
 * This file implements some of the simpler output functions to the
 * client.  Basically, things like sending text strings along
 */

#include <global.h>
#include <sproto.h>
#include <stdarg.h>
#include <spells.h>
#include <skills.h>

#include <cstring>

/**
 * Draws a normal message on the client.  It is pretty 
 * much the same thing as the draw_info above, but takes a color
 * parameter.  the esrv_drawinfo functions should probably be
 * replaced with this, just using black as the color.
 */
static void
esrv_print_msg (client *ns, int color, const char *str)
{
  ns->send_msg (color, "info", str);
}

/**
 * Draws   an extended message on the client. 
 * ns      the socket to send message to
 * color   color informations (used mainly if client does not support message type)
 * type,
 * subtype type and subtype of text message
 * intro   Intro message to send with main message if client does not support the message type
 * message The main message
 */
static void
esrv_print_ext_msg (client *ns, int color, uint8 type, uint8 subtype, const char *message)
{
  ns->send_packet_printf ("drawextinfo %d %u %u %s", color, type, subtype, message);
}

/**
 * Frontend for esrv_print_msg
 * \param colr message color
 * \param pl player to send to. Can be NULL
 * \param tmp message to send. Can be NULL
 *
 * If pl is NULL or without contr set, writes message to log.
 *
 * Else sends message to player via esrv_print_msg
 */
static void
print_message (int colr, const object *pl, const char *tmp)
{
  if (!tmp)
    tmp = "[NULL]";

  if (!pl || (pl->type == PLAYER && pl->contr == NULL))
    return;

  if (pl->type == PLAYER)
    esrv_print_msg (pl->contr->ns, colr, (char *)tmp);
}

bool
client::msg_suppressed (const char *msg)
{
  if (!pl)
    return false;

  if (pl->outputs_count <= 1 || !pl->outputs_sync)
    return false;

  int len = strlen (msg);

  if (len > MSG_BUF_SIZE)
    return false;

  msg_buf *lru = msgbuf;
  for (msg_buf *buf = msgbuf; buf < msgbuf + MSG_BUF_COUNT; ++buf)
    {
      if (len == buf->len && !memcmp (msg, buf->msg, len))
        {
          // found matching buf, see if expired
          if (buf->expire <= pticks || !buf->count)
            {
              // yes, take over matching buffer, print
              buf->expire = pticks + pl->outputs_sync;
              buf->count  = pl->outputs_count;

              return false;
            }

          // no, suppress
          --buf->count;
          return true;
        }

      if (lru->expire > buf->expire)
        lru = buf;
    }

  // new message, evoke oldest buffer
  lru->expire = pticks + pl->outputs_sync;
  lru->count  = pl->outputs_count;
  lru->len    = len;
  memcpy (lru->msg, msg, len);

  return false;
}

/**
 * Sends message to player(s).
 *
 * flags is various flags - mostly color, plus a few specials.
 *
 * pri is priority.  It is a little odd - the lower the value, the more
 * important it is.  Thus, 0 gets sent no matter what.  Otherwise, the
 * value must be less than the listening level that the player has set.
 * Unfortunately, there is no clear guideline on what each level does what.
 *
 * pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
 * in the flags.
 *
 * If message is black, and not NDI_UNIQUE, gets sent through output buffers.
 *
 */
void
new_draw_info (int flags, int pri, const object *op, const char *buf)
{
  if (flags & NDI_ALL)
    {
      for_all_players (pl)
        new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf);
    }
  else
    {
      if (!op || !op->contr || !op->contr->ns)
        return;

      if (pri >= op->contr->listening)
        return;

      if ((flags & (NDI_COLOR_MASK | NDI_UNIQUE)) != NDI_BLACK
          || !op->contr->ns->msg_suppressed (buf))
        print_message (flags & NDI_COLOR_MASK, op, buf);
    }
}

/**
 * Wrapper for new_draw_info printf-like.
 *
 * This is a pretty trivial function, but it allows us to use printf style
 * formatting, so instead of the calling function having to do it, we do
 * it here.  It may also have advantages in the future for reduction of
 * client/server bandwidth (client could keep track of various strings
 */
void
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...)
{
  char buf[HUGE_BUF];

  va_list ap;
  va_start (ap, format);
  vsnprintf (buf, HUGE_BUF, format, ap);
  va_end (ap);

  new_draw_info (flags, pri, pl, buf);
}

void
draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage)
{

  if (!pl || (pl->type != PLAYER) || (pl->contr == NULL))
    return;

  if (pri >= pl->contr->listening)
    return;

  if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
    {
      char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);

      if (buf == NULL)
        LOG (llevError, "info::draw_ext_info -> Out of memory!");
      else
        {
          strcpy (buf, oldmessage == NULL ? message : oldmessage);
          strip_media_tag (buf);
          new_draw_info (flags, pri, pl, buf);
          free (buf);
        }
    }
  else
    esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message);
}

void
draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...)
{
  char buf[HUGE_BUF];

  if (!pl || (pl->type != PLAYER) || (pl->contr == NULL))
    return;

  if (pri >= pl->contr->listening)
    return;

  if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
    {
      va_list ap;

      LOG (llevDebug, "Non supported extension text type for client.\n");
      va_start (ap, new_format);
      vsnprintf (buf, HUGE_BUF, old_format, ap);
      va_end (ap);
      new_draw_info (flags, pri, pl, buf);
      return;
    }
  else
    {
      va_list ap;

      va_start (ap, new_format);
      vsnprintf (buf, HUGE_BUF, new_format, ap);
      va_end (ap);
      strip_media_tag (buf);
      esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf);
    }
}

/**
 * Writes to everyone on the map *except* op.  This is useful for emotions.
 */

void
new_info_map_except (int color, maptile * map, object *op, const char *str)
{
  for_all_players (pl)
    if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
      new_draw_info (color, 0, pl->ob, str);
}

/**
 * Writes to everyone on the map except op1 and op2
 */
void
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str)
{
  for_all_players (pl)
    if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
      new_draw_info (color, 0, pl->ob, str);
}

/**
 * Writes to everyone on the specified map
 */
void
new_info_map (int color, maptile * map, const char *str)
{
  for_all_players (pl)
    if (pl->ob != NULL && pl->ob->map == map)
      new_draw_info (color, 0, pl->ob, str);
}

/**
 * Sets player title.
 */
void
set_title (object *pl, char *buf)
{
  /* Eneq(@csd.uu.se): Let players define their own titles. */
  if (pl->contr->own_title[0] == '\0')
    sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title);
  else
    sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title);
}

// formerly a macro, used only by magic map, so optimised it out
static inline faceidx
GET_MAP_FACE (maptile *m, int x, int y, int layer)
{
  if (object *op = GET_MAP_FACE_OBJ (m, x, y, layer))
    return op->face;
  else
    return 0;
}

/**
 * Helper for magic map creation.
 *
 * Takes a player, the map_mark array and an x and y starting position.
 * pl is the player.
 * px, py are offsets from the player.
 *
 * This function examines all the adjacant spaces next to px, py.
 * It updates the map_mark arrow with the color and high bits set
 * for various code values.
 */
static void
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py)
{
  int x, y, dx, dy, mflags;
  sint16 nx, ny;
  maptile *mp;

  for (dx = -1; dx <= 1; dx++)
    {
      for (dy = -1; dy <= 1; dy++)
        {
          x = px + dx;
          y = py + dy;

          if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF)
            continue;

          mp = pl->map;
          nx = pl->x + x;
          ny = pl->y + y;

          mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
          if (mflags & P_OUT_OF_MAP)
            continue;

          if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
            {
              int f = GET_MAP_FACE (mp, nx, ny, 0);
              if (f == blank_face)
                {
                  f = GET_MAP_FACE (mp, nx, ny, 1);
                  if (f == blank_face)
                    f = GET_MAP_FACE (mp, nx, ny, 2);
                }

              int magicmap = faces [f].magicmap;

              /* Should probably have P_NO_MAGIC here also, but then shops don't
               * work.
               */
              if (mflags & P_BLOCKSVIEW)
                map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap;
              else
                {
                  map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap;
                  magic_mapping_mark_recursive (pl, map_mark, x, y);
                }
            }
        }
    }
}

/**
 * Creates magic map for player.
 *
 * Note:  For improved magic mapping display, the space that blocks
 * the view is now marked with value 2.  Any dependencies of map_mark
 * being nonzero have been changed to check for 1.  Also, since
 * map_mark is a char value, putting 2 in should cause no problems.
 *
 * This function examines the map the player is on, and determines what
 * is visible.  2 is set for walls or objects that blocks view.  1
 * is for open spaces.  map_mark should already have been initialised
 * to zero before this is called.
 * strength is an initial strength*2 rectangular area that we automatically
 * see in/penetrate through.
 */
void
magic_mapping_mark (object *pl, char *map_mark, int strength)
{
  int x, y, mflags;
  sint16 nx, ny;
  maptile *mp;

  for (x = -strength; x < strength; x++)
    {
      for (y = -strength; y < strength; y++)
        {
          mp = pl->map;
          nx = pl->x + x;
          ny = pl->y + y;

          mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
          if (mflags & P_OUT_OF_MAP)
            continue;

          int f = GET_MAP_FACE (mp, nx, ny, 0);
          if (f == blank_face)
            {
              f = GET_MAP_FACE (mp, nx, ny, 1);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 2);
            }

          int magicmap = faces [f].magicmap;

          if (mflags & P_BLOCKSVIEW)
            map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap;
          else
            {
              map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap;
              magic_mapping_mark_recursive (pl, map_mark, x, y);
            }
        }
    }
}

/**
 * Creates and sends magic map to player.
 *
 * The following function is a lot messier than it really should be,
 * but there is no real easy solution.
 *
 * Mark Wedel
 */
void
draw_magic_map (object *pl)
{
  char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
  int xmin, xmax, ymin, ymax;

  if (pl->type != PLAYER)
    {
      LOG (llevError, "Non player object called draw_map.\n");
      return;
    }

  /* First, we figure out what spaces are 'reachable' by the player */
  magic_mapping_mark (pl, map_mark, 3);

  /* We now go through and figure out what spaces have been
   * marked, and thus figure out rectangular region we send
   * to the client (eg, if only a 10x10 area is visible, we only
   * want to send those 100 spaces.)
   */
  xmin = MAGIC_MAP_SIZE;
  ymin = MAGIC_MAP_SIZE;
  xmax = 0;
  ymax = 0;

  for (int x = 0; x < MAGIC_MAP_SIZE; x++)
    for (int y = 0; y < MAGIC_MAP_SIZE; y++)
      if (map_mark[x + pl->map->width * y] | FACE_FLOOR)
        {
          xmin = x < xmin ? x : xmin;
          xmax = x > xmax ? x : xmax;
          ymin = y < ymin ? y : ymin;
          ymax = y > ymax ? y : ymax;
        }

  packet sl;
  sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
             MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);

  for (int y = ymin; y <= ymax; y++)
    for (int x = xmin; x <= xmax; x++)
      sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);

  pl->contr->ns->send_packet (sl);

  free (map_mark);
}

/**
 * Send a kill log record to sockets
 */
void
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType)
{
  size_t len;
  char buf[MAX_BUF];

  if (With != NULL)
    snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
  else
    snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);

  len = strlen (buf);
}

Revision:	1.45
Committed:	Sun Jun 24 04:09:29 2007 UTC (16 years, 11 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.44:	+5 -3 lines
Log Message:	first rough cut of msg rewriting, introducing cfpod, a haxored pod variant for crossfire messgaes. where will it end?
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.43	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3	pippijn	1.33	*
4	root	1.43	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5			* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6			* Copyright (©) 1992,2007 Frank Tore Johansen
7	pippijn	1.33	*
8	root	1.43	* Crossfire TRT is free software; you can redistribute it and/or modify it
9			* under the terms of the GNU General Public License as published by the Free
10			* Software Foundation; either version 2 of the License, or (at your option)
11			* any later version.
12	pippijn	1.33	*
13	root	1.43	* This program is distributed in the hope that it will be useful, but
14			* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15			* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16			* for more details.
17	pippijn	1.33	*
18	root	1.43	* You should have received a copy of the GNU General Public License along
19			* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20			* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21			*
22			* The authors can be reached via e-mail to <crossfire@schmorp.de>
23	pippijn	1.33	*/
24	elmex	1.1
25			/**
26			* \file
27			* Basic client output functions.
28			*
29			* \date 2003-12-02
30			*
31			* This file implements some of the simpler output functions to the
32			* client. Basically, things like sending text strings along
33			*/
34
35			#include <global.h>
36			#include <sproto.h>
37			#include <stdarg.h>
38			#include <spells.h>
39			#include <skills.h>
40
41	root	1.45	#include <cstring>
42
43	elmex	1.1	/**
44			* Draws a normal message on the client. It is pretty
45			* much the same thing as the draw_info above, but takes a color
46			* parameter. the esrv_drawinfo functions should probably be
47			* replaced with this, just using black as the color.
48			*/
49	root	1.5	static void
50	root	1.22	esrv_print_msg (client ns, int color, const char str)
51	elmex	1.1	{
52	root	1.45	ns->send_msg (color, "info", str);
53	elmex	1.1	}
54
55			/**
56			* Draws an extended message on the client.
57			* ns the socket to send message to
58			* color color informations (used mainly if client does not support message type)
59			* type,
60			* subtype type and subtype of text message
61			* intro Intro message to send with main message if client does not support the message type
62			* message The main message
63			*/
64	root	1.5	static void
65	root	1.22	esrv_print_ext_msg (client ns, int color, uint8 type, uint8 subtype, const char message)
66	elmex	1.1	{
67	root	1.45	ns->send_packet_printf ("drawextinfo %d %u %u %s", color, type, subtype, message);
68	elmex	1.1	}
69
70			/**
71			* Frontend for esrv_print_msg
72			* \param colr message color
73			* \param pl player to send to. Can be NULL
74			* \param tmp message to send. Can be NULL
75			*
76			* If pl is NULL or without contr set, writes message to log.
77			*
78			* Else sends message to player via esrv_print_msg
79			*/
80	root	1.5	static void
81			print_message (int colr, const object pl, const char tmp)
82			{
83	root	1.11	if (!tmp)
84			tmp = "[NULL]";
85	elmex	1.1
86			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
87			return;
88
89	root	1.5	if (pl->type == PLAYER)
90	root	1.45	esrv_print_msg (pl->contr->ns, colr, (char *)tmp);
91	elmex	1.1	}
92
93	root	1.38	bool
94			client::msg_suppressed (const char *msg)
95	elmex	1.1	{
96	root	1.38	if (!pl)
97			return false;
98	elmex	1.1
99	root	1.38	if (pl->outputs_count <= 1 \|\| !pl->outputs_sync)
100			return false;
101	elmex	1.1
102	root	1.38	int len = strlen (msg);
103	elmex	1.1
104	root	1.38	if (len > MSG_BUF_SIZE)
105			return false;
106	elmex	1.1
107	root	1.38	msg_buf *lru = msgbuf;
108			for (msg_buf *buf = msgbuf; buf < msgbuf + MSG_BUF_COUNT; ++buf)
109	root	1.5	{
110	root	1.38	if (len == buf->len && !memcmp (msg, buf->msg, len))
111	root	1.5	{
112	root	1.38	// found matching buf, see if expired
113			if (buf->expire <= pticks \|\| !buf->count)
114	root	1.5	{
115	root	1.38	// yes, take over matching buffer, print
116			buf->expire = pticks + pl->outputs_sync;
117			buf->count = pl->outputs_count;
118
119			return false;
120	root	1.2	}
121	root	1.38
122			// no, suppress
123			--buf->count;
124			return true;
125	root	1.2	}
126	root	1.5
127	root	1.38	if (lru->expire > buf->expire)
128			lru = buf;
129	elmex	1.1	}
130	root	1.38
131			// new message, evoke oldest buffer
132			lru->expire = pticks + pl->outputs_sync;
133			lru->count = pl->outputs_count;
134			lru->len = len;
135			memcpy (lru->msg, msg, len);
136
137			return false;
138	elmex	1.1	}
139	root	1.5
140	elmex	1.1	/**
141			* Sends message to player(s).
142			*
143			* flags is various flags - mostly color, plus a few specials.
144			*
145			* pri is priority. It is a little odd - the lower the value, the more
146			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
147			* value must be less than the listening level that the player has set.
148			* Unfortunately, there is no clear guideline on what each level does what.
149			*
150			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
151			* in the flags.
152			*
153			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
154			*
155			*/
156	root	1.5	void
157	root	1.41	new_draw_info (int flags, int pri, const object op, const char buf)
158	elmex	1.1	{
159	root	1.5	if (flags & NDI_ALL)
160	root	1.42	{
161			for_all_players (pl)
162			new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf);
163			}
164	root	1.41	else
165	root	1.5	{
166	root	1.41	if (!op \|\| !op->contr \|\| !op->contr->ns)
167			return;
168
169			if (pri >= op->contr->listening)
170			return;
171	elmex	1.1
172	root	1.41	if ((flags & (NDI_COLOR_MASK \| NDI_UNIQUE)) != NDI_BLACK
173			\|\| !op->contr->ns->msg_suppressed (buf))
174			print_message (flags & NDI_COLOR_MASK, op, buf);
175	elmex	1.1	}
176			}
177
178			/**
179			* Wrapper for new_draw_info printf-like.
180			*
181			* This is a pretty trivial function, but it allows us to use printf style
182			* formatting, so instead of the calling function having to do it, we do
183			* it here. It may also have advantages in the future for reduction of
184			* client/server bandwidth (client could keep track of various strings
185			*/
186	root	1.5	void
187			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
188	elmex	1.1	{
189	root	1.5	char buf[HUGE_BUF];
190
191			va_list ap;
192			va_start (ap, format);
193			vsnprintf (buf, HUGE_BUF, format, ap);
194			va_end (ap);
195	elmex	1.1
196	root	1.5	new_draw_info (flags, pri, pl, buf);
197	elmex	1.1	}
198
199	root	1.5	void
200			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
201			{
202
203			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
204			return;
205
206			if (pri >= pl->contr->listening)
207			return;
208	root	1.17
209	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
210	root	1.5	{
211			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
212
213			if (buf == NULL)
214			LOG (llevError, "info::draw_ext_info -> Out of memory!");
215			else
216			{
217			strcpy (buf, oldmessage == NULL ? message : oldmessage);
218			strip_media_tag (buf);
219			new_draw_info (flags, pri, pl, buf);
220			free (buf);
221	elmex	1.1	}
222	root	1.5	}
223			else
224	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message);
225	elmex	1.1	}
226
227	root	1.5	void
228			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
229			{
230			char buf[HUGE_BUF];
231
232			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
233			return;
234
235			if (pri >= pl->contr->listening)
236			return;
237	root	1.17
238	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
239	root	1.5	{
240			va_list ap;
241
242			LOG (llevDebug, "Non supported extension text type for client.\n");
243			va_start (ap, new_format);
244			vsnprintf (buf, HUGE_BUF, old_format, ap);
245			va_end (ap);
246			new_draw_info (flags, pri, pl, buf);
247			return;
248			}
249			else
250			{
251			va_list ap;
252
253			va_start (ap, new_format);
254			vsnprintf (buf, HUGE_BUF, new_format, ap);
255			va_end (ap);
256			strip_media_tag (buf);
257	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf);
258	elmex	1.1	}
259			}
260	root	1.5
261	elmex	1.1	/**
262			* Writes to everyone on the map except op. This is useful for emotions.
263			*/
264
265	root	1.5	void
266	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
267	root	1.5	{
268	root	1.24	for_all_players (pl)
269	root	1.5	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
270	root	1.31	new_draw_info (color, 0, pl->ob, str);
271	elmex	1.1	}
272
273			/**
274			* Writes to everyone on the map except op1 and op2
275			*/
276	root	1.5	void
277	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
278	root	1.5	{
279	root	1.24	for_all_players (pl)
280	root	1.5	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
281	root	1.31	new_draw_info (color, 0, pl->ob, str);
282	elmex	1.1	}
283
284			/**
285			* Writes to everyone on the specified map
286			*/
287	root	1.5	void
288	root	1.8	new_info_map (int color, maptile * map, const char *str)
289	root	1.5	{
290	root	1.24	for_all_players (pl)
291	root	1.5	if (pl->ob != NULL && pl->ob->map == map)
292	root	1.31	new_draw_info (color, 0, pl->ob, str);
293	elmex	1.1	}
294
295			/**
296			* Sets player title.
297			*/
298	root	1.5	void
299			set_title (object pl, char buf)
300	elmex	1.1	{
301	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
302			if (pl->contr->own_title[0] == '\0')
303			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
304			else
305			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
306	elmex	1.1	}
307
308	root	1.36	// formerly a macro, used only by magic map, so optimised it out
309			static inline faceidx
310			GET_MAP_FACE (maptile *m, int x, int y, int layer)
311			{
312			if (object *op = GET_MAP_FACE_OBJ (m, x, y, layer))
313			return op->face;
314			else
315			return 0;
316			}
317
318	elmex	1.1	/**
319			* Helper for magic map creation.
320			*
321			* Takes a player, the map_mark array and an x and y starting position.
322			* pl is the player.
323			* px, py are offsets from the player.
324			*
325			* This function examines all the adjacant spaces next to px, py.
326			* It updates the map_mark arrow with the color and high bits set
327			* for various code values.
328			*/
329	root	1.5	static void
330			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
331	elmex	1.1	{
332	root	1.5	int x, y, dx, dy, mflags;
333			sint16 nx, ny;
334	root	1.7	maptile *mp;
335	root	1.5
336			for (dx = -1; dx <= 1; dx++)
337			{
338			for (dy = -1; dy <= 1; dy++)
339			{
340			x = px + dx;
341			y = py + dy;
342
343			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
344			continue;
345
346			mp = pl->map;
347			nx = pl->x + x;
348			ny = pl->y + y;
349
350			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
351			if (mflags & P_OUT_OF_MAP)
352			continue;
353
354			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
355			{
356	root	1.35	int f = GET_MAP_FACE (mp, nx, ny, 0);
357	root	1.5	if (f == blank_face)
358	root	1.35	{
359			f = GET_MAP_FACE (mp, nx, ny, 1);
360			if (f == blank_face)
361			f = GET_MAP_FACE (mp, nx, ny, 2);
362			}
363
364			int magicmap = faces [f].magicmap;
365	root	1.5
366			/* Should probably have P_NO_MAGIC here also, but then shops don't
367			* work.
368			*/
369			if (mflags & P_BLOCKSVIEW)
370	root	1.35	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| magicmap;
371	root	1.5	else
372			{
373	root	1.35	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| magicmap;
374	root	1.5	magic_mapping_mark_recursive (pl, map_mark, x, y);
375	root	1.2	}
376			}
377			}
378	elmex	1.1	}
379			}
380
381			/**
382			* Creates magic map for player.
383			*
384			* Note: For improved magic mapping display, the space that blocks
385			* the view is now marked with value 2. Any dependencies of map_mark
386			* being nonzero have been changed to check for 1. Also, since
387			* map_mark is a char value, putting 2 in should cause no problems.
388			*
389			* This function examines the map the player is on, and determines what
390			* is visible. 2 is set for walls or objects that blocks view. 1
391	pippijn	1.29	* is for open spaces. map_mark should already have been initialised
392	elmex	1.1	* to zero before this is called.
393			* strength is an initial strength*2 rectangular area that we automatically
394			* see in/penetrate through.
395			*/
396	root	1.5	void
397			magic_mapping_mark (object pl, char map_mark, int strength)
398	elmex	1.1	{
399	root	1.5	int x, y, mflags;
400			sint16 nx, ny;
401	root	1.7	maptile *mp;
402	root	1.5
403			for (x = -strength; x < strength; x++)
404			{
405			for (y = -strength; y < strength; y++)
406			{
407			mp = pl->map;
408			nx = pl->x + x;
409			ny = pl->y + y;
410	root	1.35
411	root	1.5	mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
412			if (mflags & P_OUT_OF_MAP)
413			continue;
414	root	1.35
415			int f = GET_MAP_FACE (mp, nx, ny, 0);
416			if (f == blank_face)
417	root	1.5	{
418	root	1.35	f = GET_MAP_FACE (mp, nx, ny, 1);
419	root	1.5	if (f == blank_face)
420			f = GET_MAP_FACE (mp, nx, ny, 2);
421	root	1.2	}
422
423	root	1.35	int magicmap = faces [f].magicmap;
424
425	root	1.5	if (mflags & P_BLOCKSVIEW)
426	root	1.35	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| magicmap;
427	root	1.5	else
428			{
429	root	1.35	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| magicmap;
430	root	1.5	magic_mapping_mark_recursive (pl, map_mark, x, y);
431	root	1.2	}
432			}
433	elmex	1.1	}
434			}
435
436			/**
437			* Creates and sends magic map to player.
438			*
439			* The following function is a lot messier than it really should be,
440			* but there is no real easy solution.
441			*
442			* Mark Wedel
443			*/
444	root	1.5	void
445			draw_magic_map (object *pl)
446	elmex	1.1	{
447	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
448	root	1.5	int xmin, xmax, ymin, ymax;
449
450			if (pl->type != PLAYER)
451			{
452			LOG (llevError, "Non player object called draw_map.\n");
453			return;
454			}
455
456			/* First, we figure out what spaces are 'reachable' by the player */
457			magic_mapping_mark (pl, map_mark, 3);
458
459			/* We now go through and figure out what spaces have been
460			* marked, and thus figure out rectangular region we send
461			* to the client (eg, if only a 10x10 area is visible, we only
462			* want to send those 100 spaces.)
463			*/
464			xmin = MAGIC_MAP_SIZE;
465			ymin = MAGIC_MAP_SIZE;
466			xmax = 0;
467			ymax = 0;
468	root	1.13
469			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
470			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
471	root	1.25	if (map_mark[x + pl->map->width * y] \| FACE_FLOOR)
472	root	1.5	{
473	root	1.13	xmin = x < xmin ? x : xmin;
474			xmax = x > xmax ? x : xmax;
475			ymin = y < ymin ? y : ymin;
476			ymax = y > ymax ? y : ymax;
477	root	1.2	}
478	elmex	1.1
479	root	1.15	packet sl;
480	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
481			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
482
483			for (int y = ymin; y <= ymax; y++)
484			for (int x = xmin; x <= xmax; x++)
485			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
486
487	root	1.23	pl->contr->ns->send_packet (sl);
488	root	1.5
489			free (map_mark);
490	elmex	1.1	}
491
492			/**
493			* Send a kill log record to sockets
494			*/
495	root	1.5	void
496			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
497			{
498			size_t len;
499			char buf[MAX_BUF];
500
501			if (With != NULL)
502	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
503	root	1.5	else
504	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
505
506	root	1.5	len = strlen (buf);
507	elmex	1.1	}
508	root	1.22