server/socket/info.C


/*
    CrossFire, A Multiplayer game for X-windows

    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>
*/

/**
 * \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>

/**
 * 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 (NewSocket * ns, int color, const char *str)
{
  char buf[HUGE_BUF];

  if (ns->status == Ns_Old)
    {
      snprintf (buf, HUGE_BUF, "%s\n", str);
    }
  else
    {
      snprintf (buf, HUGE_BUF, "drawinfo %d %s", color, str);
    }

/*    LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
  Write_String_To_Socket (ns, buf, strlen (buf));
}

/**
 * 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 (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
{
  char buf[HUGE_BUF];

  snprintf (buf, HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
  Write_String_To_Socket (ns, buf, strlen (buf));

/*    LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/

}

/**
 * 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->socket, colr, (char *) tmp);
      return;
    }
}

/**
 * Prints out the contents of specified buffer structures,
 * and clears the string.
 */

void
flush_output_element (const object *pl, Output_Buf * outputs)
{
  char tbuf[MAX_BUF];

  if (outputs->buf == NULL)
    return;
  if (outputs->count > 1)
    {
      snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
      print_message (NDI_BLACK, pl, tbuf);
    }
  else
    print_message (NDI_BLACK, pl, &outputs->buf);

  outputs->buf = NULL;
  outputs->first_update = 0;    /* This way, it will be reused */
}

/**
 * Sends message to player through output buffers.
 * \param pl player to send message
 * \param buf message to send
 *
 * If player's output_count is 1, sends message directly.
 *
 * Else checks output buffers for specified message.
 *
 * If found, checks if message should be sent now.
 *
 * If message not already in buffers, flushes olders buffer,
 * and adds message to queue.
 */

static void
check_output_buffers (const object *pl, const char *buf)
{
  int i, oldest = 0;

  if (pl->contr->outputs_count < 2)
    {
      print_message (NDI_BLACK, pl, buf);
      return;
    }
  else
    {
      for (i = 0; i < NUM_OUTPUT_BUFS; i++)
        {
          if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
            break;
          else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
            oldest = i;
        }
      /* We found a match */
      if (i < NUM_OUTPUT_BUFS)
        {
          pl->contr->outputs[i].count++;
          if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
            {
              flush_output_element (pl, &pl->contr->outputs[i]);
            }
        }
      /* No match - flush the oldest, and put the new one in */
      else
        {
          flush_output_element (pl, &pl->contr->outputs[oldest]);

          pl->contr->outputs[oldest].first_update = pticks;
          pl->contr->outputs[oldest].count = 1;
          pl->contr->outputs[oldest].buf = buf;
        }
    }
}


/**
 * 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 *pl, const char *buf)
{

  if (flags & NDI_ALL)
    {
      player *tmppl;

      for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
        new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);

      return;
    }

  if (!pl || (pl->type == PLAYER && pl->contr == NULL))
    {
      /* Write to the socket? */
      print_message (0, NULL, buf);
      return;
    }

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

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

  if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
    /* following prints stuff out, as appropriate */
    check_output_buffers (pl, buf);
  else
    print_message (flags & NDI_COLOR_MASK, pl, 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->socket, 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->socket, 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->socket, 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->socket, 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)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    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)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    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)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    if (pl->ob != NULL && pl->ob->map == map)
      {
        new_draw_info (color, 0, pl->ob, str);
      }
}


/**
 * This does nothing now.  However, in theory, we should probably send
 * something to the client and let the client figure out how it might want
 * to handle this
 */
void
clear_win_info (object *op)
{
}

/**
 * Get player's current range attack in obuf.
 */
void
rangetostring (object *pl, char *obuf)
{
  switch (pl->contr->shoottype)
    {
      case range_none:
        strcpy (obuf, "Range: nothing");
        break;

      case range_bow:
        {
          object *op;

          for (op = pl->inv; op; op = op->below)
            if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
              break;

          if (op == NULL)
            break;

          sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
        }
        break;

      case range_magic:
        if (settings.casting_time == TRUE)
          {
            if (pl->casting_time > -1)
              {
                if (pl->casting_time == 0)
                  sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
                else
                  sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
              }
            else
              sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
          }
        else
          sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
        break;

      case range_misc:
        sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
        break;

        /* range_scroll is only used for controlling golems.  If the
         * the player does not have a golem, reset some things.
         */
      case range_golem:
        if (pl->contr->ranges[range_golem] != NULL)
          sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
        else
          {
            pl->contr->shoottype = range_none;
            strcpy (obuf, "Range: nothing");
          }
        break;

      case range_skill:
        sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
        break;

      case range_builder:
        sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
        break;

      default:
        strcpy (obuf, "Range: illegal");
    }
}

/**
 * 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);
}


/**
 * 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;
  New_Face *f;

  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)
            {
              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);

              /* 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 | (f ? f->magicmap : 0);
              else
                {
                  map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
                  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 initialized
 * 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;
  New_Face *f;

  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;
          else
            {
              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);
            }

          if (mflags & P_BLOCKSVIEW)
            map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0);
          else
            {
              map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
              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)
{
  int x, y;
  char *map_mark = (char *) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
  int xmin, xmax, ymin, ymax;
  SockList sl;

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

  sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
  snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
            MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
  sl.len = strlen ((char *) sl.buf);

  for (y = ymin; y <= ymax; y++)
    {
      for (x = xmin; x <= xmax; x++)
        {
          sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
        }                       /* x loop */
    }                           /* y loop */

  Send_With_Handling (&pl->contr->socket, &sl);
  free (sl.buf);
  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:	1.12
Committed:	Sat Dec 9 17:28:37 2006 UTC (17 years, 5 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+0 -2 lines
Log Message:	removed regex comparison. this is now done with perl
#	Content
1
2	/*
3	CrossFire, A Multiplayer game for X-windows
4
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
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	/**
42	* Draws a normal message on the client. It is pretty
43	* much the same thing as the draw_info above, but takes a color
44	* parameter. the esrv_drawinfo functions should probably be
45	* replaced with this, just using black as the color.
46	*/
47	static void
48	esrv_print_msg (NewSocket * ns, int color, const char *str)
49	{
50	char buf[HUGE_BUF];
51
52	if (ns->status == Ns_Old)
53	{
54	snprintf (buf, HUGE_BUF, "%s\n", str);
55	}
56	else
57	{
58	snprintf (buf, HUGE_BUF, "drawinfo %d %s", color, str);
59	}
60
61	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
62	Write_String_To_Socket (ns, buf, strlen (buf));
63	}
64
65	/**
66	* Draws an extended message on the client.
67	* ns the socket to send message to
68	* color color informations (used mainly if client does not support message type)
69	* type,
70	* subtype type and subtype of text message
71	* intro Intro message to send with main message if client does not support the message type
72	* message The main message
73	*/
74	static void
75	esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
76	{
77	char buf[HUGE_BUF];
78
79	snprintf (buf, HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
80	Write_String_To_Socket (ns, buf, strlen (buf));
81
82	/* LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/
83
84	}
85
86	/**
87	* Frontend for esrv_print_msg
88	* \param colr message color
89	* \param pl player to send to. Can be NULL
90	* \param tmp message to send. Can be NULL
91	*
92	* If pl is NULL or without contr set, writes message to log.
93	*
94	* Else sends message to player via esrv_print_msg
95	*/
96
97	static void
98	print_message (int colr, const object pl, const char tmp)
99	{
100
101	if (!tmp)
102	tmp = "[NULL]";
103
104	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
105	return;
106
107	if (pl->type == PLAYER)
108	{
109	esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
110	return;
111	}
112	}
113
114	/**
115	* Prints out the contents of specified buffer structures,
116	* and clears the string.
117	*/
118
119	void
120	flush_output_element (const object pl, Output_Buf outputs)
121	{
122	char tbuf[MAX_BUF];
123
124	if (outputs->buf == NULL)
125	return;
126	if (outputs->count > 1)
127	{
128	snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
129	print_message (NDI_BLACK, pl, tbuf);
130	}
131	else
132	print_message (NDI_BLACK, pl, &outputs->buf);
133
134	outputs->buf = NULL;
135	outputs->first_update = 0; /* This way, it will be reused */
136	}
137
138	/**
139	* Sends message to player through output buffers.
140	* \param pl player to send message
141	* \param buf message to send
142	*
143	* If player's output_count is 1, sends message directly.
144	*
145	* Else checks output buffers for specified message.
146	*
147	* If found, checks if message should be sent now.
148	*
149	* If message not already in buffers, flushes olders buffer,
150	* and adds message to queue.
151	*/
152
153	static void
154	check_output_buffers (const object pl, const char buf)
155	{
156	int i, oldest = 0;
157
158	if (pl->contr->outputs_count < 2)
159	{
160	print_message (NDI_BLACK, pl, buf);
161	return;
162	}
163	else
164	{
165	for (i = 0; i < NUM_OUTPUT_BUFS; i++)
166	{
167	if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
168	break;
169	else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
170	oldest = i;
171	}
172	/* We found a match */
173	if (i < NUM_OUTPUT_BUFS)
174	{
175	pl->contr->outputs[i].count++;
176	if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
177	{
178	flush_output_element (pl, &pl->contr->outputs[i]);
179	}
180	}
181	/* No match - flush the oldest, and put the new one in */
182	else
183	{
184	flush_output_element (pl, &pl->contr->outputs[oldest]);
185
186	pl->contr->outputs[oldest].first_update = pticks;
187	pl->contr->outputs[oldest].count = 1;
188	pl->contr->outputs[oldest].buf = buf;
189	}
190	}
191	}
192
193
194
195	/**
196	* Sends message to player(s).
197	*
198	* flags is various flags - mostly color, plus a few specials.
199	*
200	* pri is priority. It is a little odd - the lower the value, the more
201	* important it is. Thus, 0 gets sent no matter what. Otherwise, the
202	* value must be less than the listening level that the player has set.
203	* Unfortunately, there is no clear guideline on what each level does what.
204	*
205	* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
206	* in the flags.
207	*
208	* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
209	*
210	*/
211
212	void
213	new_draw_info (int flags, int pri, const object pl, const char buf)
214	{
215
216	if (flags & NDI_ALL)
217	{
218	player *tmppl;
219
220	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
221	new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
222
223	return;
224	}
225
226	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
227	{
228	/* Write to the socket? */
229	print_message (0, NULL, buf);
230	return;
231	}
232
233	if (pl->type != PLAYER)
234	return;
235
236	if (pri >= pl->contr->listening)
237	return;
238
239	if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
240	/* following prints stuff out, as appropriate */
241	check_output_buffers (pl, buf);
242	else
243	print_message (flags & NDI_COLOR_MASK, pl, buf);
244	}
245
246	/**
247	* Wrapper for new_draw_info printf-like.
248	*
249	* This is a pretty trivial function, but it allows us to use printf style
250	* formatting, so instead of the calling function having to do it, we do
251	* it here. It may also have advantages in the future for reduction of
252	* client/server bandwidth (client could keep track of various strings
253	*/
254
255	void
256	new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
257	{
258	char buf[HUGE_BUF];
259
260	va_list ap;
261
262	va_start (ap, format);
263
264	vsnprintf (buf, HUGE_BUF, format, ap);
265
266	va_end (ap);
267
268	new_draw_info (flags, pri, pl, buf);
269	}
270
271
272	void
273	draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
274	{
275
276	if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
277	return;
278
279	if (pri >= pl->contr->listening)
280	return;
281	if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
282	{
283	char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
284
285	if (buf == NULL)
286	LOG (llevError, "info::draw_ext_info -> Out of memory!");
287	else
288	{
289	strcpy (buf, oldmessage == NULL ? message : oldmessage);
290	strip_media_tag (buf);
291	new_draw_info (flags, pri, pl, buf);
292	free (buf);
293	}
294	}
295	else
296	{
297	esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
298	}
299	}
300
301	void
302	draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
303	{
304
305	char buf[HUGE_BUF];
306
307	if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
308	return;
309
310	if (pri >= pl->contr->listening)
311	return;
312	if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
313	{
314	va_list ap;
315
316	LOG (llevDebug, "Non supported extension text type for client.\n");
317	va_start (ap, new_format);
318	vsnprintf (buf, HUGE_BUF, old_format, ap);
319	va_end (ap);
320	new_draw_info (flags, pri, pl, buf);
321	return;
322	}
323	else
324	{
325	va_list ap;
326
327	va_start (ap, new_format);
328	vsnprintf (buf, HUGE_BUF, new_format, ap);
329	va_end (ap);
330	strip_media_tag (buf);
331	esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
332	}
333	}
334
335	/**
336	* Writes to everyone on the map except op. This is useful for emotions.
337	*/
338
339	void
340	new_info_map_except (int color, maptile * map, object op, const char str)
341	{
342	player *pl;
343
344	for (pl = first_player; pl != NULL; pl = pl->next)
345	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
346	{
347	new_draw_info (color, 0, pl->ob, str);
348	}
349	}
350
351	/**
352	* Writes to everyone on the map except op1 and op2
353	*/
354
355	void
356	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
357	{
358	player *pl;
359
360	for (pl = first_player; pl != NULL; pl = pl->next)
361	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
362	{
363	new_draw_info (color, 0, pl->ob, str);
364	}
365	}
366
367	/**
368	* Writes to everyone on the specified map
369	*/
370
371	void
372	new_info_map (int color, maptile * map, const char *str)
373	{
374	player *pl;
375
376	for (pl = first_player; pl != NULL; pl = pl->next)
377	if (pl->ob != NULL && pl->ob->map == map)
378	{
379	new_draw_info (color, 0, pl->ob, str);
380	}
381	}
382
383
384	/**
385	* This does nothing now. However, in theory, we should probably send
386	* something to the client and let the client figure out how it might want
387	* to handle this
388	*/
389	void
390	clear_win_info (object *op)
391	{
392	}
393
394	/**
395	* Get player's current range attack in obuf.
396	*/
397	void
398	rangetostring (object pl, char obuf)
399	{
400	switch (pl->contr->shoottype)
401	{
402	case range_none:
403	strcpy (obuf, "Range: nothing");
404	break;
405
406	case range_bow:
407	{
408	object *op;
409
410	for (op = pl->inv; op; op = op->below)
411	if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
412	break;
413
414	if (op == NULL)
415	break;
416
417	sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
418	}
419	break;
420
421	case range_magic:
422	if (settings.casting_time == TRUE)
423	{
424	if (pl->casting_time > -1)
425	{
426	if (pl->casting_time == 0)
427	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
428	else
429	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
430	}
431	else
432	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
433	}
434	else
435	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
436	break;
437
438	case range_misc:
439	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
440	break;
441
442	/* range_scroll is only used for controlling golems. If the
443	* the player does not have a golem, reset some things.
444	*/
445	case range_golem:
446	if (pl->contr->ranges[range_golem] != NULL)
447	sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
448	else
449	{
450	pl->contr->shoottype = range_none;
451	strcpy (obuf, "Range: nothing");
452	}
453	break;
454
455	case range_skill:
456	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
457	break;
458
459	case range_builder:
460	sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
461	break;
462
463	default:
464	strcpy (obuf, "Range: illegal");
465	}
466	}
467
468	/**
469	* Sets player title.
470	*/
471	void
472	set_title (object pl, char buf)
473	{
474	/* Eneq(@csd.uu.se): Let players define their own titles. */
475	if (pl->contr->own_title[0] == '\0')
476	sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
477	else
478	sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
479	}
480
481
482	/**
483	* Helper for magic map creation.
484	*
485	* Takes a player, the map_mark array and an x and y starting position.
486	* pl is the player.
487	* px, py are offsets from the player.
488	*
489	* This function examines all the adjacant spaces next to px, py.
490	* It updates the map_mark arrow with the color and high bits set
491	* for various code values.
492	*/
493	static void
494	magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
495	{
496	int x, y, dx, dy, mflags;
497	sint16 nx, ny;
498	maptile *mp;
499	New_Face *f;
500
501	for (dx = -1; dx <= 1; dx++)
502	{
503	for (dy = -1; dy <= 1; dy++)
504	{
505	x = px + dx;
506	y = py + dy;
507
508	if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
509	continue;
510
511	mp = pl->map;
512	nx = pl->x + x;
513	ny = pl->y + y;
514
515	mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
516	if (mflags & P_OUT_OF_MAP)
517	continue;
518
519	if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
520	{
521	f = GET_MAP_FACE (mp, nx, ny, 0);
522	if (f == blank_face)
523	f = GET_MAP_FACE (mp, nx, ny, 1);
524	if (f == blank_face)
525	f = GET_MAP_FACE (mp, nx, ny, 2);
526
527	/* Should probably have P_NO_MAGIC here also, but then shops don't
528	* work.
529	*/
530	if (mflags & P_BLOCKSVIEW)
531	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
532	else
533	{
534	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
535	magic_mapping_mark_recursive (pl, map_mark, x, y);
536	}
537	}
538	}
539	}
540	}
541
542
543	/**
544	* Creates magic map for player.
545	*
546	* Note: For improved magic mapping display, the space that blocks
547	* the view is now marked with value 2. Any dependencies of map_mark
548	* being nonzero have been changed to check for 1. Also, since
549	* map_mark is a char value, putting 2 in should cause no problems.
550	*
551	* This function examines the map the player is on, and determines what
552	* is visible. 2 is set for walls or objects that blocks view. 1
553	* is for open spaces. map_mark should already have been initialized
554	* to zero before this is called.
555	* strength is an initial strength*2 rectangular area that we automatically
556	* see in/penetrate through.
557	*/
558
559	void
560	magic_mapping_mark (object pl, char map_mark, int strength)
561	{
562	int x, y, mflags;
563	sint16 nx, ny;
564	maptile *mp;
565	New_Face *f;
566
567	for (x = -strength; x < strength; x++)
568	{
569	for (y = -strength; y < strength; y++)
570	{
571	mp = pl->map;
572	nx = pl->x + x;
573	ny = pl->y + y;
574	mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
575	if (mflags & P_OUT_OF_MAP)
576	continue;
577	else
578	{
579	f = GET_MAP_FACE (mp, nx, ny, 0);
580	if (f == blank_face)
581	f = GET_MAP_FACE (mp, nx, ny, 1);
582	if (f == blank_face)
583	f = GET_MAP_FACE (mp, nx, ny, 2);
584	}
585
586	if (mflags & P_BLOCKSVIEW)
587	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
588	else
589	{
590	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
591	magic_mapping_mark_recursive (pl, map_mark, x, y);
592	}
593	}
594	}
595	}
596
597
598	/**
599	* Creates and sends magic map to player.
600	*
601	* The following function is a lot messier than it really should be,
602	* but there is no real easy solution.
603	*
604	* Mark Wedel
605	*/
606
607	void
608	draw_magic_map (object *pl)
609	{
610	int x, y;
611	char map_mark = (char ) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
612	int xmin, xmax, ymin, ymax;
613	SockList sl;
614
615	if (pl->type != PLAYER)
616	{
617	LOG (llevError, "Non player object called draw_map.\n");
618	return;
619	}
620
621	/* First, we figure out what spaces are 'reachable' by the player */
622	magic_mapping_mark (pl, map_mark, 3);
623
624	/* We now go through and figure out what spaces have been
625	* marked, and thus figure out rectangular region we send
626	* to the client (eg, if only a 10x10 area is visible, we only
627	* want to send those 100 spaces.)
628	*/
629	xmin = MAGIC_MAP_SIZE;
630	ymin = MAGIC_MAP_SIZE;
631	xmax = 0;
632	ymax = 0;
633	for (x = 0; x < MAGIC_MAP_SIZE; x++)
634	{
635	for (y = 0; y < MAGIC_MAP_SIZE; y++)
636	{
637	if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
638	{
639	xmin = x < xmin ? x : xmin;
640	xmax = x > xmax ? x : xmax;
641	ymin = y < ymin ? y : ymin;
642	ymax = y > ymax ? y : ymax;
643	}
644	}
645	}
646
647	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
648	snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
649	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
650	sl.len = strlen ((char *) sl.buf);
651
652	for (y = ymin; y <= ymax; y++)
653	{
654	for (x = xmin; x <= xmax; x++)
655	{
656	sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
657	} /* x loop */
658	} /* y loop */
659
660	Send_With_Handling (&pl->contr->socket, &sl);
661	free (sl.buf);
662	free (map_mark);
663	}
664
665
666	/**
667	* Send a kill log record to sockets
668	*/
669
670	void
671	Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
672	{
673	size_t len;
674	char buf[MAX_BUF];
675
676	if (With != NULL)
677	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
678	else
679	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
680
681	len = strlen (buf);
682	}