server/socket/info.C


/*
 * static char *rcsid_sock_info_c =
 *   "$Id: info.C,v 1.4 2006-09-03 00:18:43 root Exp $";
 */

/*
    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-devel@real-time.com
*/

/**
 * \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 == (char *) NULL)
    {
      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;
      int i;

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

      for (i = 1; i < socket_info.allocated_sockets; i++)
        {
          if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri < 10)
            {
              cs_write_string (&init_sockets[i], buf, strlen (buf));
              /* Most messages don't have a newline, so add one */
              cs_write_string (&init_sockets[i], "\n", 1);
            }
        }

      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, mapstruct *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, mapstruct *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, mapstruct *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)", (const char *) pl->spell->name);
                  else
                    sprintf (obuf, "Range: Casting spell (%s)", (const char *) 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;
  mapstruct *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;
  mapstruct *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)
{
  int i;
  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);
  for (i = 1; i < socket_info.allocated_sockets; i++)
    {
      if (init_sockets[i].old_mode == Old_Listen)
        {
          cs_write_string (&init_sockets[i], buf, len);
        }
    }
}
Revision:	1.5
Committed:	Sun Sep 10 13:43:33 2006 UTC (17 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+409 -328 lines
Log Message:	indent
#	User	Rev	Content
1	root	1.5
2	elmex	1.1	/*
3			* static char *rcsid_sock_info_c =
4	root	1.5	* "$Id: info.C,v 1.4 2006-09-03 00:18:43 root Exp $";
5	elmex	1.1	*/
6
7			/*
8			CrossFire, A Multiplayer game for X-windows
9
10			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
11			Copyright (C) 1992 Frank Tore Johansen
12
13			This program is free software; you can redistribute it and/or modify
14			it under the terms of the GNU General Public License as published by
15			the Free Software Foundation; either version 2 of the License, or
16			(at your option) any later version.
17
18			This program is distributed in the hope that it will be useful,
19			but WITHOUT ANY WARRANTY; without even the implied warranty of
20			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21			GNU General Public License for more details.
22
23			You should have received a copy of the GNU General Public License
24			along with this program; if not, write to the Free Software
25			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26
27			The authors can be reached via e-mail at crossfire-devel@real-time.com
28			*/
29
30			/**
31			* \file
32			* Basic client output functions.
33			*
34			* \date 2003-12-02
35			*
36			* This file implements some of the simpler output functions to the
37			* client. Basically, things like sending text strings along
38			*/
39
40			#include <global.h>
41			#include <sproto.h>
42			#include <stdarg.h>
43			#include <spells.h>
44			#include <skills.h>
45
46			/**
47			* Draws a normal message on the client. It is pretty
48			* much the same thing as the draw_info above, but takes a color
49			* parameter. the esrv_drawinfo functions should probably be
50			* replaced with this, just using black as the color.
51			*/
52	root	1.5	static void
53			esrv_print_msg (NewSocket * ns, int color, const char *str)
54	elmex	1.1	{
55	root	1.5	char buf[HUGE_BUF];
56	elmex	1.1
57	root	1.5	if (ns->status == Ns_Old)
58			{
59			snprintf (buf, HUGE_BUF, "%s\n", str);
60			}
61			else
62			{
63			snprintf (buf, HUGE_BUF, "drawinfo %d %s", color, str);
64	elmex	1.1	}
65	root	1.5
66	elmex	1.1	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
67	root	1.5	Write_String_To_Socket (ns, buf, strlen (buf));
68	elmex	1.1	}
69
70			/**
71			* Draws an extended message on the client.
72			* ns the socket to send message to
73			* color color informations (used mainly if client does not support message type)
74			* type,
75			* subtype type and subtype of text message
76			* intro Intro message to send with main message if client does not support the message type
77			* message The main message
78			*/
79	root	1.5	static void
80			esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
81	elmex	1.1	{
82	root	1.5	char buf[HUGE_BUF];
83
84			snprintf (buf, HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
85			Write_String_To_Socket (ns, buf, strlen (buf));
86
87	elmex	1.1	/* LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/
88
89			}
90
91			/**
92			* Frontend for esrv_print_msg
93			* \param colr message color
94			* \param pl player to send to. Can be NULL
95			* \param tmp message to send. Can be NULL
96			*
97			* If pl is NULL or without contr set, writes message to log.
98			*
99			* Else sends message to player via esrv_print_msg
100			*/
101
102	root	1.5	static void
103			print_message (int colr, const object pl, const char tmp)
104			{
105	elmex	1.1
106	root	1.5	if (tmp == (char *) NULL)
107			{
108			tmp = "[NULL]";
109			}
110	elmex	1.1
111			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
112			return;
113
114	root	1.5	if (pl->type == PLAYER)
115			{
116			esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
117			return;
118			}
119	elmex	1.1	}
120
121
122			/**
123			* Prints out the contents of specified buffer structures,
124			* and clears the string.
125			*/
126
127	root	1.5	void
128			flush_output_element (const object pl, Output_Buf outputs)
129	elmex	1.1	{
130	root	1.5	char tbuf[MAX_BUF];
131	elmex	1.1
132	root	1.5	if (outputs->buf == NULL)
133			return;
134			if (outputs->count > 1)
135			{
136			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
137			print_message (NDI_BLACK, pl, tbuf);
138			}
139			else
140			print_message (NDI_BLACK, pl, &outputs->buf);
141	elmex	1.1
142	root	1.5	outputs->buf = NULL;
143			outputs->first_update = 0; /* This way, it will be reused */
144	elmex	1.1	}
145
146			/**
147			* Sends message to player through output buffers.
148			* \param pl player to send message
149			* \param buf message to send
150			*
151			* If player's output_count is 1, sends message directly.
152			*
153			* Else checks output buffers for specified message.
154			*
155			* If found, checks if message should be sent now.
156			*
157			* If message not already in buffers, flushes olders buffer,
158			* and adds message to queue.
159			*/
160
161	root	1.5	static void
162			check_output_buffers (const object pl, const char buf)
163	elmex	1.1	{
164	root	1.5	int i, oldest = 0;
165	elmex	1.1
166	root	1.5	if (pl->contr->outputs_count < 2)
167			{
168			print_message (NDI_BLACK, pl, buf);
169			return;
170			}
171			else
172			{
173			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
174			{
175			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
176			break;
177			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
178			oldest = i;
179	root	1.2	}
180	root	1.5	/* We found a match */
181			if (i < NUM_OUTPUT_BUFS)
182			{
183			pl->contr->outputs[i].count++;
184			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
185			{
186			flush_output_element (pl, &pl->contr->outputs[i]);
187	root	1.2	}
188			}
189	root	1.5	/* No match - flush the oldest, and put the new one in */
190			else
191			{
192			flush_output_element (pl, &pl->contr->outputs[oldest]);
193
194			pl->contr->outputs[oldest].first_update = pticks;
195			pl->contr->outputs[oldest].count = 1;
196			pl->contr->outputs[oldest].buf = buf;
197	root	1.2	}
198	elmex	1.1	}
199			}
200	root	1.5
201	elmex	1.1
202
203			/**
204			* Sends message to player(s).
205			*
206			* flags is various flags - mostly color, plus a few specials.
207			*
208			* pri is priority. It is a little odd - the lower the value, the more
209			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
210			* value must be less than the listening level that the player has set.
211			* Unfortunately, there is no clear guideline on what each level does what.
212			*
213			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
214			* in the flags.
215			*
216			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
217			*
218			*/
219
220	root	1.5	void
221			new_draw_info (int flags, int pri, const object pl, const char buf)
222	elmex	1.1	{
223
224	root	1.5	if (flags & NDI_ALL)
225			{
226			player *tmppl;
227			int i;
228	elmex	1.1
229	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
230			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
231	elmex	1.1
232	root	1.5	for (i = 1; i < socket_info.allocated_sockets; i++)
233			{
234			if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri < 10)
235			{
236			cs_write_string (&init_sockets[i], buf, strlen (buf));
237			/* Most messages don't have a newline, so add one */
238			cs_write_string (&init_sockets[i], "\n", 1);
239	root	1.2	}
240			}
241	elmex	1.1
242	root	1.5	return;
243	elmex	1.1	}
244	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
245			{
246			/* Write to the socket? */
247			print_message (0, NULL, buf);
248			return;
249	elmex	1.1	}
250	root	1.5	if (pl->type != PLAYER)
251			return;
252			if (pri >= pl->contr->listening)
253			return;
254
255			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
256			{
257			/* following prints stuff out, as appropriate */
258			check_output_buffers (pl, buf);
259			}
260			else
261			{
262			print_message (flags & NDI_COLOR_MASK, pl, buf);
263	elmex	1.1	}
264			}
265
266			/**
267			* Wrapper for new_draw_info printf-like.
268			*
269			* This is a pretty trivial function, but it allows us to use printf style
270			* formatting, so instead of the calling function having to do it, we do
271			* it here. It may also have advantages in the future for reduction of
272			* client/server bandwidth (client could keep track of various strings
273			*/
274
275	root	1.5	void
276			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
277	elmex	1.1	{
278	root	1.5	char buf[HUGE_BUF];
279
280			va_list ap;
281
282			va_start (ap, format);
283	elmex	1.1
284	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
285	elmex	1.1
286	root	1.5	va_end (ap);
287	elmex	1.1
288	root	1.5	new_draw_info (flags, pri, pl, buf);
289	elmex	1.1	}
290
291
292	root	1.5	void
293			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
294			{
295
296			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
297			return;
298
299			if (pri >= pl->contr->listening)
300			return;
301			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
302			{
303			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
304
305			if (buf == NULL)
306			LOG (llevError, "info::draw_ext_info -> Out of memory!");
307			else
308			{
309			strcpy (buf, oldmessage == NULL ? message : oldmessage);
310			strip_media_tag (buf);
311			new_draw_info (flags, pri, pl, buf);
312			free (buf);
313	elmex	1.1	}
314	root	1.5	}
315			else
316			{
317			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
318	elmex	1.1	}
319			}
320
321	root	1.5	void
322			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
323			{
324
325			char buf[HUGE_BUF];
326
327			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
328			return;
329
330			if (pri >= pl->contr->listening)
331			return;
332			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
333			{
334			va_list ap;
335
336			LOG (llevDebug, "Non supported extension text type for client.\n");
337			va_start (ap, new_format);
338			vsnprintf (buf, HUGE_BUF, old_format, ap);
339			va_end (ap);
340			new_draw_info (flags, pri, pl, buf);
341			return;
342			}
343			else
344			{
345			va_list ap;
346
347			va_start (ap, new_format);
348			vsnprintf (buf, HUGE_BUF, new_format, ap);
349			va_end (ap);
350			strip_media_tag (buf);
351			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
352	elmex	1.1	}
353			}
354	root	1.5
355	elmex	1.1	/**
356			* Writes to everyone on the map except op. This is useful for emotions.
357			*/
358
359	root	1.5	void
360			new_info_map_except (int color, mapstruct map, object op, const char *str)
361			{
362			player *pl;
363	elmex	1.1
364	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
365			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
366			{
367			new_draw_info (color, 0, pl->ob, str);
368			}
369	elmex	1.1	}
370
371			/**
372			* Writes to everyone on the map except op1 and op2
373			*/
374
375	root	1.5	void
376			new_info_map_except2 (int color, mapstruct map, object op1, object op2, const char str)
377			{
378			player *pl;
379
380			for (pl = first_player; pl != NULL; pl = pl->next)
381			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
382			{
383			new_draw_info (color, 0, pl->ob, str);
384			}
385	elmex	1.1	}
386
387			/**
388			* Writes to everyone on the specified map
389			*/
390
391	root	1.5	void
392			new_info_map (int color, mapstruct map, const char str)
393			{
394			player *pl;
395	elmex	1.1
396	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
397			if (pl->ob != NULL && pl->ob->map == map)
398			{
399			new_draw_info (color, 0, pl->ob, str);
400			}
401	elmex	1.1	}
402
403
404			/**
405			* This does nothing now. However, in theory, we should probably send
406			* something to the client and let the client figure out how it might want
407			* to handle this
408			*/
409	root	1.5	void
410			clear_win_info (object *op)
411	elmex	1.1	{
412			}
413
414			/**
415			* Get player's current range attack in obuf.
416			*/
417	root	1.5	void
418			rangetostring (object pl, char obuf)
419	elmex	1.1	{
420	root	1.5	switch (pl->contr->shoottype)
421			{
422	root	1.2	case range_none:
423	root	1.5	strcpy (obuf, "Range: nothing");
424			break;
425	root	1.2
426			case range_bow:
427	root	1.5	{
428	root	1.2	object *op;
429
430	root	1.5	for (op = pl->inv; op; op = op->below)
431			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
432			break;
433			if (op == NULL)
434			break;
435
436			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
437			}
438			break;
439	root	1.2
440	root	1.5	case range_magic:
441			if (settings.casting_time == TRUE)
442			{
443			if (pl->casting_time > -1)
444			{
445			if (pl->casting_time == 0)
446			sprintf (obuf, "Range: Holding spell (%s)", (const char *) pl->spell->name);
447			else
448			sprintf (obuf, "Range: Casting spell (%s)", (const char *) pl->spell->name);
449			}
450			else
451			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
452	root	1.2	}
453	root	1.5	else
454			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
455			break;
456	root	1.2
457			case range_misc:
458	root	1.5	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
459			break;
460	root	1.2
461	root	1.5	/* range_scroll is only used for controlling golems. If the
462			* the player does not have a golem, reset some things.
463			*/
464	root	1.2	case range_golem:
465	root	1.5	if (pl->contr->ranges[range_golem] != NULL)
466			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
467			else
468			{
469			pl->contr->shoottype = range_none;
470			strcpy (obuf, "Range: nothing");
471	root	1.2	}
472	root	1.5	break;
473	root	1.2
474			case range_skill:
475	root	1.5	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
476			break;
477	elmex	1.1
478	root	1.5	case range_builder:
479			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
480			break;
481	elmex	1.1
482	root	1.2	default:
483	root	1.5	strcpy (obuf, "Range: illegal");
484	elmex	1.1	}
485			}
486
487			/**
488			* Sets player title.
489			*/
490	root	1.5	void
491			set_title (object pl, char buf)
492	elmex	1.1	{
493	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
494			if (pl->contr->own_title[0] == '\0')
495			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
496			else
497			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
498	elmex	1.1	}
499
500
501			/**
502			* Helper for magic map creation.
503			*
504			* Takes a player, the map_mark array and an x and y starting position.
505			* pl is the player.
506			* px, py are offsets from the player.
507			*
508			* This function examines all the adjacant spaces next to px, py.
509			* It updates the map_mark arrow with the color and high bits set
510			* for various code values.
511			*/
512	root	1.5	static void
513			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
514	elmex	1.1	{
515	root	1.5	int x, y, dx, dy, mflags;
516			sint16 nx, ny;
517			mapstruct *mp;
518			New_Face *f;
519
520			for (dx = -1; dx <= 1; dx++)
521			{
522			for (dy = -1; dy <= 1; dy++)
523			{
524			x = px + dx;
525			y = py + dy;
526
527			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
528			continue;
529
530			mp = pl->map;
531			nx = pl->x + x;
532			ny = pl->y + y;
533
534			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
535			if (mflags & P_OUT_OF_MAP)
536			continue;
537
538			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
539			{
540			f = GET_MAP_FACE (mp, nx, ny, 0);
541			if (f == blank_face)
542			f = GET_MAP_FACE (mp, nx, ny, 1);
543			if (f == blank_face)
544			f = GET_MAP_FACE (mp, nx, ny, 2);
545
546			/* Should probably have P_NO_MAGIC here also, but then shops don't
547			* work.
548			*/
549			if (mflags & P_BLOCKSVIEW)
550			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
551			else
552			{
553			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
554			magic_mapping_mark_recursive (pl, map_mark, x, y);
555	root	1.2	}
556			}
557			}
558	elmex	1.1	}
559			}
560
561
562			/**
563			* Creates magic map for player.
564			*
565			* Note: For improved magic mapping display, the space that blocks
566			* the view is now marked with value 2. Any dependencies of map_mark
567			* being nonzero have been changed to check for 1. Also, since
568			* map_mark is a char value, putting 2 in should cause no problems.
569			*
570			* This function examines the map the player is on, and determines what
571			* is visible. 2 is set for walls or objects that blocks view. 1
572			* is for open spaces. map_mark should already have been initialized
573			* to zero before this is called.
574			* strength is an initial strength*2 rectangular area that we automatically
575			* see in/penetrate through.
576			*/
577
578	root	1.5	void
579			magic_mapping_mark (object pl, char map_mark, int strength)
580	elmex	1.1	{
581	root	1.5	int x, y, mflags;
582			sint16 nx, ny;
583			mapstruct *mp;
584			New_Face *f;
585
586			for (x = -strength; x < strength; x++)
587			{
588			for (y = -strength; y < strength; y++)
589			{
590			mp = pl->map;
591			nx = pl->x + x;
592			ny = pl->y + y;
593			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
594			if (mflags & P_OUT_OF_MAP)
595			continue;
596			else
597			{
598			f = GET_MAP_FACE (mp, nx, ny, 0);
599			if (f == blank_face)
600			f = GET_MAP_FACE (mp, nx, ny, 1);
601			if (f == blank_face)
602			f = GET_MAP_FACE (mp, nx, ny, 2);
603	root	1.2	}
604
605	root	1.5	if (mflags & P_BLOCKSVIEW)
606			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
607			else
608			{
609			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
610			magic_mapping_mark_recursive (pl, map_mark, x, y);
611	root	1.2	}
612			}
613	elmex	1.1	}
614			}
615
616
617			/**
618			* Creates and sends magic map to player.
619			*
620			* The following function is a lot messier than it really should be,
621			* but there is no real easy solution.
622			*
623			* Mark Wedel
624			*/
625
626	root	1.5	void
627			draw_magic_map (object *pl)
628	elmex	1.1	{
629	root	1.5	int x, y;
630			char map_mark = (char ) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
631			int xmin, xmax, ymin, ymax;
632			SockList sl;
633
634			if (pl->type != PLAYER)
635			{
636			LOG (llevError, "Non player object called draw_map.\n");
637			return;
638			}
639
640			/* First, we figure out what spaces are 'reachable' by the player */
641			magic_mapping_mark (pl, map_mark, 3);
642
643			/* We now go through and figure out what spaces have been
644			* marked, and thus figure out rectangular region we send
645			* to the client (eg, if only a 10x10 area is visible, we only
646			* want to send those 100 spaces.)
647			*/
648			xmin = MAGIC_MAP_SIZE;
649			ymin = MAGIC_MAP_SIZE;
650			xmax = 0;
651			ymax = 0;
652			for (x = 0; x < MAGIC_MAP_SIZE; x++)
653			{
654			for (y = 0; y < MAGIC_MAP_SIZE; y++)
655			{
656			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
657			{
658			xmin = x < xmin ? x : xmin;
659			xmax = x > xmax ? x : xmax;
660			ymin = y < ymin ? y : ymin;
661			ymax = y > ymax ? y : ymax;
662	root	1.2	}
663			}
664	elmex	1.1	}
665
666	root	1.5	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
667			snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
668	root	1.2	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
669	root	1.5	sl.len = strlen ((char *) sl.buf);
670
671			for (y = ymin; y <= ymax; y++)
672			{
673			for (x = xmin; x <= xmax; x++)
674			{
675			sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
676			} /* x loop */
677			} /* y loop */
678
679			Send_With_Handling (&pl->contr->socket, &sl);
680			free (sl.buf);
681			free (map_mark);
682	elmex	1.1	}
683
684
685			/**
686			* Send a kill log record to sockets
687			*/
688
689	root	1.5	void
690			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
691			{
692			int i;
693			size_t len;
694			char buf[MAX_BUF];
695
696			if (With != NULL)
697			{
698			snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
699			}
700			else
701			{
702			snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
703			}
704			len = strlen (buf);
705			for (i = 1; i < socket_info.allocated_sockets; i++)
706			{
707			if (init_sockets[i].old_mode == Old_Listen)
708			{
709			cs_write_string (&init_sockets[i], buf, len);
710	root	1.2	}
711	elmex	1.1	}
712			}