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
#	Content
1
2	/*
3	* static char *rcsid_sock_info_c =
4	* "$Id: info.C,v 1.4 2006-09-03 00:18:43 root Exp $";
5	*/
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	static void
53	esrv_print_msg (NewSocket * ns, int color, const char *str)
54	{
55	char buf[HUGE_BUF];
56
57	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	}
65
66	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
67	Write_String_To_Socket (ns, buf, strlen (buf));
68	}
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	static void
80	esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
81	{
82	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	/* 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	static void
103	print_message (int colr, const object pl, const char tmp)
104	{
105
106	if (tmp == (char *) NULL)
107	{
108	tmp = "[NULL]";
109	}
110
111	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
112	return;
113
114	if (pl->type == PLAYER)
115	{
116	esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
117	return;
118	}
119	}
120
121
122	/**
123	* Prints out the contents of specified buffer structures,
124	* and clears the string.
125	*/
126
127	void
128	flush_output_element (const object pl, Output_Buf outputs)
129	{
130	char tbuf[MAX_BUF];
131
132	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
142	outputs->buf = NULL;
143	outputs->first_update = 0; /* This way, it will be reused */
144	}
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	static void
162	check_output_buffers (const object pl, const char buf)
163	{
164	int i, oldest = 0;
165
166	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	}
180	/* 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	}
188	}
189	/* 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	}
198	}
199	}
200
201
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	void
221	new_draw_info (int flags, int pri, const object pl, const char buf)
222	{
223
224	if (flags & NDI_ALL)
225	{
226	player *tmppl;
227	int i;
228
229	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
230	new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
231
232	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	}
240	}
241
242	return;
243	}
244	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
245	{
246	/* Write to the socket? */
247	print_message (0, NULL, buf);
248	return;
249	}
250	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	}
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	void
276	new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
277	{
278	char buf[HUGE_BUF];
279
280	va_list ap;
281
282	va_start (ap, format);
283
284	vsnprintf (buf, HUGE_BUF, format, ap);
285
286	va_end (ap);
287
288	new_draw_info (flags, pri, pl, buf);
289	}
290
291
292	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	}
314	}
315	else
316	{
317	esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
318	}
319	}
320
321	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	}
353	}
354
355	/**
356	* Writes to everyone on the map except op. This is useful for emotions.
357	*/
358
359	void
360	new_info_map_except (int color, mapstruct map, object op, const char *str)
361	{
362	player *pl;
363
364	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	}
370
371	/**
372	* Writes to everyone on the map except op1 and op2
373	*/
374
375	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	}
386
387	/**
388	* Writes to everyone on the specified map
389	*/
390
391	void
392	new_info_map (int color, mapstruct map, const char str)
393	{
394	player *pl;
395
396	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	}
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	void
410	clear_win_info (object *op)
411	{
412	}
413
414	/**
415	* Get player's current range attack in obuf.
416	*/
417	void
418	rangetostring (object pl, char obuf)
419	{
420	switch (pl->contr->shoottype)
421	{
422	case range_none:
423	strcpy (obuf, "Range: nothing");
424	break;
425
426	case range_bow:
427	{
428	object *op;
429
430	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
440	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	}
453	else
454	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
455	break;
456
457	case range_misc:
458	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
459	break;
460
461	/* range_scroll is only used for controlling golems. If the
462	* the player does not have a golem, reset some things.
463	*/
464	case range_golem:
465	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	}
472	break;
473
474	case range_skill:
475	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
476	break;
477
478	case range_builder:
479	sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
480	break;
481
482	default:
483	strcpy (obuf, "Range: illegal");
484	}
485	}
486
487	/**
488	* Sets player title.
489	*/
490	void
491	set_title (object pl, char buf)
492	{
493	/* 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	}
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	static void
513	magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
514	{
515	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	}
556	}
557	}
558	}
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	void
579	magic_mapping_mark (object pl, char map_mark, int strength)
580	{
581	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	}
604
605	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	}
612	}
613	}
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	void
627	draw_magic_map (object *pl)
628	{
629	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	}
663	}
664	}
665
666	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
667	snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
668	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
669	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	}
683
684
685	/**
686	* Send a kill log record to sockets
687	*/
688
689	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	}
711	}
712	}