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 == (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, 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)
{
  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:	1.9
Committed:	Tue Sep 19 10:12:41 2006 UTC (17 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.8:	+2 -2 lines
Log Message:	indent
#	User	Rev	Content
1	root	1.8
2	elmex	1.1	/*
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	root	1.6	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	elmex	1.1	*/
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	root	1.5	static void
48			esrv_print_msg (NewSocket * ns, int color, const char *str)
49	elmex	1.1	{
50	root	1.5	char buf[HUGE_BUF];
51	elmex	1.1
52	root	1.5	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	elmex	1.1	}
60	root	1.5
61	elmex	1.1	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
62	root	1.5	Write_String_To_Socket (ns, buf, strlen (buf));
63	elmex	1.1	}
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	root	1.5	static void
75			esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
76	elmex	1.1	{
77	root	1.5	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	elmex	1.1	/* 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	root	1.5	static void
98			print_message (int colr, const object pl, const char tmp)
99			{
100	elmex	1.1
101	root	1.5	if (tmp == (char *) NULL)
102			{
103			tmp = "[NULL]";
104			}
105	elmex	1.1
106			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
107			return;
108
109	root	1.5	if (pl->type == PLAYER)
110			{
111			esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
112			return;
113			}
114	elmex	1.1	}
115
116
117			/**
118			* Prints out the contents of specified buffer structures,
119			* and clears the string.
120			*/
121
122	root	1.5	void
123			flush_output_element (const object pl, Output_Buf outputs)
124	elmex	1.1	{
125	root	1.5	char tbuf[MAX_BUF];
126	elmex	1.1
127	root	1.5	if (outputs->buf == NULL)
128			return;
129			if (outputs->count > 1)
130			{
131			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
132			print_message (NDI_BLACK, pl, tbuf);
133			}
134			else
135			print_message (NDI_BLACK, pl, &outputs->buf);
136	elmex	1.1
137	root	1.5	outputs->buf = NULL;
138			outputs->first_update = 0; /* This way, it will be reused */
139	elmex	1.1	}
140
141			/**
142			* Sends message to player through output buffers.
143			* \param pl player to send message
144			* \param buf message to send
145			*
146			* If player's output_count is 1, sends message directly.
147			*
148			* Else checks output buffers for specified message.
149			*
150			* If found, checks if message should be sent now.
151			*
152			* If message not already in buffers, flushes olders buffer,
153			* and adds message to queue.
154			*/
155
156	root	1.5	static void
157			check_output_buffers (const object pl, const char buf)
158	elmex	1.1	{
159	root	1.5	int i, oldest = 0;
160	elmex	1.1
161	root	1.5	if (pl->contr->outputs_count < 2)
162			{
163			print_message (NDI_BLACK, pl, buf);
164			return;
165			}
166			else
167			{
168			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
169			{
170			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
171			break;
172			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
173			oldest = i;
174	root	1.2	}
175	root	1.5	/* We found a match */
176			if (i < NUM_OUTPUT_BUFS)
177			{
178			pl->contr->outputs[i].count++;
179			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
180			{
181			flush_output_element (pl, &pl->contr->outputs[i]);
182	root	1.2	}
183			}
184	root	1.5	/* No match - flush the oldest, and put the new one in */
185			else
186			{
187			flush_output_element (pl, &pl->contr->outputs[oldest]);
188
189			pl->contr->outputs[oldest].first_update = pticks;
190			pl->contr->outputs[oldest].count = 1;
191			pl->contr->outputs[oldest].buf = buf;
192	root	1.2	}
193	elmex	1.1	}
194			}
195	root	1.5
196	elmex	1.1
197
198			/**
199			* Sends message to player(s).
200			*
201			* flags is various flags - mostly color, plus a few specials.
202			*
203			* pri is priority. It is a little odd - the lower the value, the more
204			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
205			* value must be less than the listening level that the player has set.
206			* Unfortunately, there is no clear guideline on what each level does what.
207			*
208			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
209			* in the flags.
210			*
211			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
212			*
213			*/
214
215	root	1.5	void
216			new_draw_info (int flags, int pri, const object pl, const char buf)
217	elmex	1.1	{
218
219	root	1.5	if (flags & NDI_ALL)
220			{
221			player *tmppl;
222			int i;
223	elmex	1.1
224	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
225			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
226	elmex	1.1
227	root	1.5	for (i = 1; i < socket_info.allocated_sockets; i++)
228			{
229			if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri < 10)
230			{
231			cs_write_string (&init_sockets[i], buf, strlen (buf));
232			/* Most messages don't have a newline, so add one */
233			cs_write_string (&init_sockets[i], "\n", 1);
234	root	1.2	}
235			}
236	elmex	1.1
237	root	1.5	return;
238	elmex	1.1	}
239	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
240			{
241			/* Write to the socket? */
242			print_message (0, NULL, buf);
243			return;
244	elmex	1.1	}
245	root	1.5	if (pl->type != PLAYER)
246			return;
247			if (pri >= pl->contr->listening)
248			return;
249
250			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
251			{
252			/* following prints stuff out, as appropriate */
253			check_output_buffers (pl, buf);
254			}
255			else
256			{
257			print_message (flags & NDI_COLOR_MASK, pl, buf);
258	elmex	1.1	}
259			}
260
261			/**
262			* Wrapper for new_draw_info printf-like.
263			*
264			* This is a pretty trivial function, but it allows us to use printf style
265			* formatting, so instead of the calling function having to do it, we do
266			* it here. It may also have advantages in the future for reduction of
267			* client/server bandwidth (client could keep track of various strings
268			*/
269
270	root	1.5	void
271			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
272	elmex	1.1	{
273	root	1.5	char buf[HUGE_BUF];
274
275			va_list ap;
276
277			va_start (ap, format);
278	elmex	1.1
279	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
280	elmex	1.1
281	root	1.5	va_end (ap);
282	elmex	1.1
283	root	1.5	new_draw_info (flags, pri, pl, buf);
284	elmex	1.1	}
285
286
287	root	1.5	void
288			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
289			{
290
291			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
292			return;
293
294			if (pri >= pl->contr->listening)
295			return;
296			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
297			{
298			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
299
300			if (buf == NULL)
301			LOG (llevError, "info::draw_ext_info -> Out of memory!");
302			else
303			{
304			strcpy (buf, oldmessage == NULL ? message : oldmessage);
305			strip_media_tag (buf);
306			new_draw_info (flags, pri, pl, buf);
307			free (buf);
308	elmex	1.1	}
309	root	1.5	}
310			else
311			{
312			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
313	elmex	1.1	}
314			}
315
316	root	1.5	void
317			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
318			{
319
320			char buf[HUGE_BUF];
321
322			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
323			return;
324
325			if (pri >= pl->contr->listening)
326			return;
327			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
328			{
329			va_list ap;
330
331			LOG (llevDebug, "Non supported extension text type for client.\n");
332			va_start (ap, new_format);
333			vsnprintf (buf, HUGE_BUF, old_format, ap);
334			va_end (ap);
335			new_draw_info (flags, pri, pl, buf);
336			return;
337			}
338			else
339			{
340			va_list ap;
341
342			va_start (ap, new_format);
343			vsnprintf (buf, HUGE_BUF, new_format, ap);
344			va_end (ap);
345			strip_media_tag (buf);
346			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
347	elmex	1.1	}
348			}
349	root	1.5
350	elmex	1.1	/**
351			* Writes to everyone on the map except op. This is useful for emotions.
352			*/
353
354	root	1.5	void
355	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
356	root	1.5	{
357			player *pl;
358	elmex	1.1
359	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
360			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
361			{
362			new_draw_info (color, 0, pl->ob, str);
363			}
364	elmex	1.1	}
365
366			/**
367			* Writes to everyone on the map except op1 and op2
368			*/
369
370	root	1.5	void
371	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
372	root	1.5	{
373			player *pl;
374
375			for (pl = first_player; pl != NULL; pl = pl->next)
376			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
377			{
378			new_draw_info (color, 0, pl->ob, str);
379			}
380	elmex	1.1	}
381
382			/**
383			* Writes to everyone on the specified map
384			*/
385
386	root	1.5	void
387	root	1.8	new_info_map (int color, maptile * map, const char *str)
388	root	1.5	{
389			player *pl;
390	elmex	1.1
391	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
392			if (pl->ob != NULL && pl->ob->map == map)
393			{
394			new_draw_info (color, 0, pl->ob, str);
395			}
396	elmex	1.1	}
397
398
399			/**
400			* This does nothing now. However, in theory, we should probably send
401			* something to the client and let the client figure out how it might want
402			* to handle this
403			*/
404	root	1.5	void
405			clear_win_info (object *op)
406	elmex	1.1	{
407			}
408
409			/**
410			* Get player's current range attack in obuf.
411			*/
412	root	1.5	void
413			rangetostring (object pl, char obuf)
414	elmex	1.1	{
415	root	1.5	switch (pl->contr->shoottype)
416			{
417	root	1.8	case range_none:
418			strcpy (obuf, "Range: nothing");
419			break;
420	root	1.2
421	root	1.8	case range_bow:
422			{
423			object *op;
424	root	1.2
425	root	1.8	for (op = pl->inv; op; op = op->below)
426			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
427	root	1.5	break;
428	root	1.8	if (op == NULL)
429			break;
430
431			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
432			}
433			break;
434	root	1.5
435	root	1.8	case range_magic:
436			if (settings.casting_time == TRUE)
437			{
438			if (pl->casting_time > -1)
439			{
440			if (pl->casting_time == 0)
441	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
442	root	1.8	else
443	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
444	root	1.8	}
445			else
446			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
447	root	1.5	}
448	root	1.8	else
449			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
450			break;
451
452			case range_misc:
453			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
454			break;
455
456			/* range_scroll is only used for controlling golems. If the
457			* the player does not have a golem, reset some things.
458			*/
459			case range_golem:
460			if (pl->contr->ranges[range_golem] != NULL)
461			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
462			else
463			{
464			pl->contr->shoottype = range_none;
465			strcpy (obuf, "Range: nothing");
466			}
467			break;
468	root	1.2
469	root	1.8	case range_skill:
470			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
471			break;
472
473			case range_builder:
474			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
475			break;
476	elmex	1.1
477	root	1.8	default:
478			strcpy (obuf, "Range: illegal");
479	elmex	1.1	}
480			}
481
482			/**
483			* Sets player title.
484			*/
485	root	1.5	void
486			set_title (object pl, char buf)
487	elmex	1.1	{
488	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
489			if (pl->contr->own_title[0] == '\0')
490			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
491			else
492			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
493	elmex	1.1	}
494
495
496			/**
497			* Helper for magic map creation.
498			*
499			* Takes a player, the map_mark array and an x and y starting position.
500			* pl is the player.
501			* px, py are offsets from the player.
502			*
503			* This function examines all the adjacant spaces next to px, py.
504			* It updates the map_mark arrow with the color and high bits set
505			* for various code values.
506			*/
507	root	1.5	static void
508			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
509	elmex	1.1	{
510	root	1.5	int x, y, dx, dy, mflags;
511			sint16 nx, ny;
512	root	1.7	maptile *mp;
513	root	1.5	New_Face *f;
514
515			for (dx = -1; dx <= 1; dx++)
516			{
517			for (dy = -1; dy <= 1; dy++)
518			{
519			x = px + dx;
520			y = py + dy;
521
522			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
523			continue;
524
525			mp = pl->map;
526			nx = pl->x + x;
527			ny = pl->y + y;
528
529			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
530			if (mflags & P_OUT_OF_MAP)
531			continue;
532
533			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
534			{
535			f = GET_MAP_FACE (mp, nx, ny, 0);
536			if (f == blank_face)
537			f = GET_MAP_FACE (mp, nx, ny, 1);
538			if (f == blank_face)
539			f = GET_MAP_FACE (mp, nx, ny, 2);
540
541			/* Should probably have P_NO_MAGIC here also, but then shops don't
542			* work.
543			*/
544			if (mflags & P_BLOCKSVIEW)
545			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
546			else
547			{
548			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
549			magic_mapping_mark_recursive (pl, map_mark, x, y);
550	root	1.2	}
551			}
552			}
553	elmex	1.1	}
554			}
555
556
557			/**
558			* Creates magic map for player.
559			*
560			* Note: For improved magic mapping display, the space that blocks
561			* the view is now marked with value 2. Any dependencies of map_mark
562			* being nonzero have been changed to check for 1. Also, since
563			* map_mark is a char value, putting 2 in should cause no problems.
564			*
565			* This function examines the map the player is on, and determines what
566			* is visible. 2 is set for walls or objects that blocks view. 1
567			* is for open spaces. map_mark should already have been initialized
568			* to zero before this is called.
569			* strength is an initial strength*2 rectangular area that we automatically
570			* see in/penetrate through.
571			*/
572
573	root	1.5	void
574			magic_mapping_mark (object pl, char map_mark, int strength)
575	elmex	1.1	{
576	root	1.5	int x, y, mflags;
577			sint16 nx, ny;
578	root	1.7	maptile *mp;
579	root	1.5	New_Face *f;
580
581			for (x = -strength; x < strength; x++)
582			{
583			for (y = -strength; y < strength; y++)
584			{
585			mp = pl->map;
586			nx = pl->x + x;
587			ny = pl->y + y;
588			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
589			if (mflags & P_OUT_OF_MAP)
590			continue;
591			else
592			{
593			f = GET_MAP_FACE (mp, nx, ny, 0);
594			if (f == blank_face)
595			f = GET_MAP_FACE (mp, nx, ny, 1);
596			if (f == blank_face)
597			f = GET_MAP_FACE (mp, nx, ny, 2);
598	root	1.2	}
599
600	root	1.5	if (mflags & P_BLOCKSVIEW)
601			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
602			else
603			{
604			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
605			magic_mapping_mark_recursive (pl, map_mark, x, y);
606	root	1.2	}
607			}
608	elmex	1.1	}
609			}
610
611
612			/**
613			* Creates and sends magic map to player.
614			*
615			* The following function is a lot messier than it really should be,
616			* but there is no real easy solution.
617			*
618			* Mark Wedel
619			*/
620
621	root	1.5	void
622			draw_magic_map (object *pl)
623	elmex	1.1	{
624	root	1.5	int x, y;
625			char map_mark = (char ) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
626			int xmin, xmax, ymin, ymax;
627			SockList sl;
628
629			if (pl->type != PLAYER)
630			{
631			LOG (llevError, "Non player object called draw_map.\n");
632			return;
633			}
634
635			/* First, we figure out what spaces are 'reachable' by the player */
636			magic_mapping_mark (pl, map_mark, 3);
637
638			/* We now go through and figure out what spaces have been
639			* marked, and thus figure out rectangular region we send
640			* to the client (eg, if only a 10x10 area is visible, we only
641			* want to send those 100 spaces.)
642			*/
643			xmin = MAGIC_MAP_SIZE;
644			ymin = MAGIC_MAP_SIZE;
645			xmax = 0;
646			ymax = 0;
647			for (x = 0; x < MAGIC_MAP_SIZE; x++)
648			{
649			for (y = 0; y < MAGIC_MAP_SIZE; y++)
650			{
651			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
652			{
653			xmin = x < xmin ? x : xmin;
654			xmax = x > xmax ? x : xmax;
655			ymin = y < ymin ? y : ymin;
656			ymax = y > ymax ? y : ymax;
657	root	1.2	}
658			}
659	elmex	1.1	}
660
661	root	1.5	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
662			snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
663	root	1.2	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
664	root	1.5	sl.len = strlen ((char *) sl.buf);
665
666			for (y = ymin; y <= ymax; y++)
667			{
668			for (x = xmin; x <= xmax; x++)
669			{
670			sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
671			} /* x loop */
672			} /* y loop */
673
674			Send_With_Handling (&pl->contr->socket, &sl);
675			free (sl.buf);
676			free (map_mark);
677	elmex	1.1	}
678
679
680			/**
681			* Send a kill log record to sockets
682			*/
683
684	root	1.5	void
685			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
686			{
687			int i;
688			size_t len;
689			char buf[MAX_BUF];
690
691			if (With != NULL)
692			{
693			snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
694			}
695			else
696			{
697			snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
698			}
699			len = strlen (buf);
700			for (i = 1; i < socket_info.allocated_sockets; i++)
701			{
702			if (init_sockets[i].old_mode == Old_Listen)
703			{
704			cs_write_string (&init_sockets[i], buf, len);
705	root	1.2	}
706	elmex	1.1	}
707			}