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)
{
  SockList sl (MAXSOCKBUF);

  if (ns->status == Ns_Old)
    sl.printf ("%s\n", str);
  else
    sl.printf ("drawinfo %d %s", color, str);

  ns->send_packet (sl);
  sl.free ();
}

/**
 * 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)
{
  SockList sl (MAXSOCKBUF);

  sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
  ns->send_packet (sl);
  sl.free ();
}

/**
 * Frontend for esrv_print_msg
 * \param colr message color
 * \param pl player to send to. Can be NULL
 * \param tmp message to send. Can be NULL
 *
 * If pl is NULL or without contr set, writes message to log.
 *
 * Else sends message to player via esrv_print_msg
 */

static void
print_message (int colr, const object *pl, const char *tmp)
{

  if (!tmp)
    tmp = "[NULL]";

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

  if (pl->type == PLAYER)
    {
      esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
      return;
    }
}

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

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

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

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

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

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

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

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


/**
 * Sends message to player(s).
 *
 * flags is various flags - mostly color, plus a few specials.
 *
 * pri is priority.  It is a little odd - the lower the value, the more
 * important it is.  Thus, 0 gets sent no matter what.  Otherwise, the
 * value must be less than the listening level that the player has set.
 * Unfortunately, there is no clear guideline on what each level does what.
 *
 * pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
 * in the flags.
 *
 * If message is black, and not NDI_UNIQUE, gets sent through output buffers.
 *
 */

void
new_draw_info (int flags, int pri, const object *pl, const char *buf)
{

  if (flags & NDI_ALL)
    {
      player *tmppl;

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

      return;
    }

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

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

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

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

/**
 * Wrapper for new_draw_info printf-like.
 *
 * This is a pretty trivial function, but it allows us to use printf style
 * formatting, so instead of the calling function having to do it, we do
 * it here.  It may also have advantages in the future for reduction of
 * client/server bandwidth (client could keep track of various strings
 */

void
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...)
{
  char buf[HUGE_BUF];

  va_list ap;

  va_start (ap, format);

  vsnprintf (buf, HUGE_BUF, format, ap);

  va_end (ap);

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


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

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

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

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

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

  char buf[HUGE_BUF];

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

  if (pri >= pl->contr->listening)
    return;
  if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
    {
      va_list ap;

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

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

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

void
new_info_map_except (int color, maptile * map, object *op, const char *str)
{
  player *pl;

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

/**
 * Writes to everyone on the map except op1 and op2
 */

void
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
      {
        new_draw_info (color, 0, pl->ob, str);
      }
}

/**
 * Writes to everyone on the specified map
 */

void
new_info_map (int color, maptile * map, const char *str)
{
  player *pl;

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


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

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

      case range_bow:
        {
          object *op;

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

          if (op == NULL)
            break;

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

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

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

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

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

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

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

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


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

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

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

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

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

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

              /* Should probably have P_NO_MAGIC here also, but then shops don't
               * work.
               */
              if (mflags & P_BLOCKSVIEW)
                map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0);
              else
                {
                  map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
                  magic_mapping_mark_recursive (pl, map_mark, x, y);
                }
            }
        }
    }
}


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

void
magic_mapping_mark (object *pl, char *map_mark, int strength)
{
  int x, y, mflags;
  sint16 nx, ny;
  maptile *mp;
  New_Face *f;

  for (x = -strength; x < strength; x++)
    {
      for (y = -strength; y < strength; y++)
        {
          mp = pl->map;
          nx = pl->x + x;
          ny = pl->y + y;
          mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
          if (mflags & P_OUT_OF_MAP)
            continue;
          else
            {
              f = GET_MAP_FACE (mp, nx, ny, 0);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 1);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 2);
            }

          if (mflags & P_BLOCKSVIEW)
            map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0);
          else
            {
              map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
              magic_mapping_mark_recursive (pl, map_mark, x, y);
            }
        }
    }
}


/**
 * Creates and sends magic map to player.
 *
 * The following function is a lot messier than it really should be,
 * but there is no real easy solution.
 *
 * Mark Wedel
 */

void
draw_magic_map (object *pl)
{
  char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
  int xmin, xmax, ymin, ymax;

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

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

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

  for (int x = 0; x < MAGIC_MAP_SIZE; x++)
    for (int y = 0; y < MAGIC_MAP_SIZE; y++)
      if (map_mark[x + 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;
        }

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

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

  Send_With_Handling (&pl->contr->socket, &sl);

  sl.free ();

  free (map_mark);
}


/**
 * Send a kill log record to sockets
 */

void
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType)
{
  size_t len;
  char buf[MAX_BUF];

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

  len = strlen (buf);
}
Revision:	1.14
Committed:	Thu Dec 14 01:12:35 2006 UTC (17 years, 6 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.13:	+9 -15 lines
Log Message:	(intermediate check-in for recoverability)
#	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	1.14	SockList sl (MAXSOCKBUF);
51	elmex	1.1
52	root	1.5	if (ns->status == Ns_Old)
53	root	1.14	sl.printf ("%s\n", str);
54	root	1.5	else
55	root	1.14	sl.printf ("drawinfo %d %s", color, str);
56	root	1.5
57	root	1.14	ns->send_packet (sl);
58			sl.free ();
59	elmex	1.1	}
60
61			/**
62			* Draws an extended message on the client.
63			* ns the socket to send message to
64			* color color informations (used mainly if client does not support message type)
65			* type,
66			* subtype type and subtype of text message
67			* intro Intro message to send with main message if client does not support the message type
68			* message The main message
69			*/
70	root	1.5	static void
71			esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
72	elmex	1.1	{
73	root	1.14	SockList sl (MAXSOCKBUF);
74	elmex	1.1
75	root	1.14	sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
76			ns->send_packet (sl);
77			sl.free ();
78	elmex	1.1	}
79
80			/**
81			* Frontend for esrv_print_msg
82			* \param colr message color
83			* \param pl player to send to. Can be NULL
84			* \param tmp message to send. Can be NULL
85			*
86			* If pl is NULL or without contr set, writes message to log.
87			*
88			* Else sends message to player via esrv_print_msg
89			*/
90
91	root	1.5	static void
92			print_message (int colr, const object pl, const char tmp)
93			{
94	elmex	1.1
95	root	1.11	if (!tmp)
96			tmp = "[NULL]";
97	elmex	1.1
98			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
99			return;
100
101	root	1.5	if (pl->type == PLAYER)
102			{
103			esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
104			return;
105			}
106	elmex	1.1	}
107
108			/**
109			* Prints out the contents of specified buffer structures,
110			* and clears the string.
111			*/
112
113	root	1.5	void
114			flush_output_element (const object pl, Output_Buf outputs)
115	elmex	1.1	{
116	root	1.5	char tbuf[MAX_BUF];
117	elmex	1.1
118	root	1.5	if (outputs->buf == NULL)
119			return;
120			if (outputs->count > 1)
121			{
122			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
123			print_message (NDI_BLACK, pl, tbuf);
124			}
125			else
126			print_message (NDI_BLACK, pl, &outputs->buf);
127	elmex	1.1
128	root	1.5	outputs->buf = NULL;
129			outputs->first_update = 0; /* This way, it will be reused */
130	elmex	1.1	}
131
132			/**
133			* Sends message to player through output buffers.
134			* \param pl player to send message
135			* \param buf message to send
136			*
137			* If player's output_count is 1, sends message directly.
138			*
139			* Else checks output buffers for specified message.
140			*
141			* If found, checks if message should be sent now.
142			*
143			* If message not already in buffers, flushes olders buffer,
144			* and adds message to queue.
145			*/
146
147	root	1.5	static void
148			check_output_buffers (const object pl, const char buf)
149	elmex	1.1	{
150	root	1.5	int i, oldest = 0;
151	elmex	1.1
152	root	1.5	if (pl->contr->outputs_count < 2)
153			{
154			print_message (NDI_BLACK, pl, buf);
155			return;
156			}
157			else
158			{
159			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
160			{
161			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
162			break;
163			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
164			oldest = i;
165	root	1.2	}
166	root	1.5	/* We found a match */
167			if (i < NUM_OUTPUT_BUFS)
168			{
169			pl->contr->outputs[i].count++;
170			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
171			{
172			flush_output_element (pl, &pl->contr->outputs[i]);
173	root	1.2	}
174			}
175	root	1.5	/* No match - flush the oldest, and put the new one in */
176			else
177			{
178			flush_output_element (pl, &pl->contr->outputs[oldest]);
179
180			pl->contr->outputs[oldest].first_update = pticks;
181			pl->contr->outputs[oldest].count = 1;
182			pl->contr->outputs[oldest].buf = buf;
183	root	1.2	}
184	elmex	1.1	}
185			}
186	root	1.5
187	elmex	1.1
188
189			/**
190			* Sends message to player(s).
191			*
192			* flags is various flags - mostly color, plus a few specials.
193			*
194			* pri is priority. It is a little odd - the lower the value, the more
195			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
196			* value must be less than the listening level that the player has set.
197			* Unfortunately, there is no clear guideline on what each level does what.
198			*
199			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
200			* in the flags.
201			*
202			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
203			*
204			*/
205
206	root	1.5	void
207			new_draw_info (int flags, int pri, const object pl, const char buf)
208	elmex	1.1	{
209
210	root	1.5	if (flags & NDI_ALL)
211			{
212			player *tmppl;
213	elmex	1.1
214	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
215			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
216	elmex	1.1
217	root	1.5	return;
218	elmex	1.1	}
219	root	1.11
220	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
221			{
222			/* Write to the socket? */
223			print_message (0, NULL, buf);
224			return;
225	elmex	1.1	}
226	root	1.11
227	root	1.5	if (pl->type != PLAYER)
228			return;
229	root	1.11
230	root	1.5	if (pri >= pl->contr->listening)
231			return;
232
233			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
234	root	1.11	/* following prints stuff out, as appropriate */
235			check_output_buffers (pl, buf);
236	root	1.5	else
237	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
238	elmex	1.1	}
239
240			/**
241			* Wrapper for new_draw_info printf-like.
242			*
243			* This is a pretty trivial function, but it allows us to use printf style
244			* formatting, so instead of the calling function having to do it, we do
245			* it here. It may also have advantages in the future for reduction of
246			* client/server bandwidth (client could keep track of various strings
247			*/
248
249	root	1.5	void
250			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
251	elmex	1.1	{
252	root	1.5	char buf[HUGE_BUF];
253
254			va_list ap;
255
256			va_start (ap, format);
257	elmex	1.1
258	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
259	elmex	1.1
260	root	1.5	va_end (ap);
261	elmex	1.1
262	root	1.5	new_draw_info (flags, pri, pl, buf);
263	elmex	1.1	}
264
265
266	root	1.5	void
267			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
268			{
269
270			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
271			return;
272
273			if (pri >= pl->contr->listening)
274			return;
275			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
276			{
277			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
278
279			if (buf == NULL)
280			LOG (llevError, "info::draw_ext_info -> Out of memory!");
281			else
282			{
283			strcpy (buf, oldmessage == NULL ? message : oldmessage);
284			strip_media_tag (buf);
285			new_draw_info (flags, pri, pl, buf);
286			free (buf);
287	elmex	1.1	}
288	root	1.5	}
289			else
290			{
291			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
292	elmex	1.1	}
293			}
294
295	root	1.5	void
296			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
297			{
298
299			char buf[HUGE_BUF];
300
301			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
302			return;
303
304			if (pri >= pl->contr->listening)
305			return;
306			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
307			{
308			va_list ap;
309
310			LOG (llevDebug, "Non supported extension text type for client.\n");
311			va_start (ap, new_format);
312			vsnprintf (buf, HUGE_BUF, old_format, ap);
313			va_end (ap);
314			new_draw_info (flags, pri, pl, buf);
315			return;
316			}
317			else
318			{
319			va_list ap;
320
321			va_start (ap, new_format);
322			vsnprintf (buf, HUGE_BUF, new_format, ap);
323			va_end (ap);
324			strip_media_tag (buf);
325			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
326	elmex	1.1	}
327			}
328	root	1.5
329	elmex	1.1	/**
330			* Writes to everyone on the map except op. This is useful for emotions.
331			*/
332
333	root	1.5	void
334	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
335	root	1.5	{
336			player *pl;
337	elmex	1.1
338	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
339			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
340			{
341			new_draw_info (color, 0, pl->ob, str);
342			}
343	elmex	1.1	}
344
345			/**
346			* Writes to everyone on the map except op1 and op2
347			*/
348
349	root	1.5	void
350	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
351	root	1.5	{
352			player *pl;
353
354			for (pl = first_player; pl != NULL; pl = pl->next)
355			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
356			{
357			new_draw_info (color, 0, pl->ob, str);
358			}
359	elmex	1.1	}
360
361			/**
362			* Writes to everyone on the specified map
363			*/
364
365	root	1.5	void
366	root	1.8	new_info_map (int color, maptile * map, const char *str)
367	root	1.5	{
368			player *pl;
369	elmex	1.1
370	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
371			if (pl->ob != NULL && pl->ob->map == map)
372			{
373			new_draw_info (color, 0, pl->ob, str);
374			}
375	elmex	1.1	}
376
377
378			/**
379			* This does nothing now. However, in theory, we should probably send
380			* something to the client and let the client figure out how it might want
381			* to handle this
382			*/
383	root	1.5	void
384			clear_win_info (object *op)
385	elmex	1.1	{
386			}
387
388			/**
389			* Get player's current range attack in obuf.
390			*/
391	root	1.5	void
392			rangetostring (object pl, char obuf)
393	elmex	1.1	{
394	root	1.5	switch (pl->contr->shoottype)
395			{
396	root	1.8	case range_none:
397			strcpy (obuf, "Range: nothing");
398			break;
399	root	1.2
400	root	1.8	case range_bow:
401			{
402			object *op;
403	root	1.2
404	root	1.8	for (op = pl->inv; op; op = op->below)
405			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
406	root	1.5	break;
407	root	1.10
408	root	1.8	if (op == NULL)
409			break;
410
411			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
412			}
413			break;
414	root	1.5
415	root	1.8	case range_magic:
416			if (settings.casting_time == TRUE)
417			{
418			if (pl->casting_time > -1)
419			{
420			if (pl->casting_time == 0)
421	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
422	root	1.8	else
423	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
424	root	1.8	}
425			else
426			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
427	root	1.5	}
428	root	1.8	else
429			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
430			break;
431
432			case range_misc:
433			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
434			break;
435
436			/* range_scroll is only used for controlling golems. If the
437			* the player does not have a golem, reset some things.
438			*/
439			case range_golem:
440			if (pl->contr->ranges[range_golem] != NULL)
441			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
442			else
443			{
444			pl->contr->shoottype = range_none;
445			strcpy (obuf, "Range: nothing");
446			}
447			break;
448	root	1.2
449	root	1.8	case range_skill:
450			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
451			break;
452
453			case range_builder:
454			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
455			break;
456	elmex	1.1
457	root	1.8	default:
458			strcpy (obuf, "Range: illegal");
459	elmex	1.1	}
460			}
461
462			/**
463			* Sets player title.
464			*/
465	root	1.5	void
466			set_title (object pl, char buf)
467	elmex	1.1	{
468	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
469			if (pl->contr->own_title[0] == '\0')
470			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
471			else
472			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
473	elmex	1.1	}
474
475
476			/**
477			* Helper for magic map creation.
478			*
479			* Takes a player, the map_mark array and an x and y starting position.
480			* pl is the player.
481			* px, py are offsets from the player.
482			*
483			* This function examines all the adjacant spaces next to px, py.
484			* It updates the map_mark arrow with the color and high bits set
485			* for various code values.
486			*/
487	root	1.5	static void
488			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
489	elmex	1.1	{
490	root	1.5	int x, y, dx, dy, mflags;
491			sint16 nx, ny;
492	root	1.7	maptile *mp;
493	root	1.5	New_Face *f;
494
495			for (dx = -1; dx <= 1; dx++)
496			{
497			for (dy = -1; dy <= 1; dy++)
498			{
499			x = px + dx;
500			y = py + dy;
501
502			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
503			continue;
504
505			mp = pl->map;
506			nx = pl->x + x;
507			ny = pl->y + y;
508
509			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
510			if (mflags & P_OUT_OF_MAP)
511			continue;
512
513			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
514			{
515			f = GET_MAP_FACE (mp, nx, ny, 0);
516			if (f == blank_face)
517			f = GET_MAP_FACE (mp, nx, ny, 1);
518			if (f == blank_face)
519			f = GET_MAP_FACE (mp, nx, ny, 2);
520
521			/* Should probably have P_NO_MAGIC here also, but then shops don't
522			* work.
523			*/
524			if (mflags & P_BLOCKSVIEW)
525			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
526			else
527			{
528			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
529			magic_mapping_mark_recursive (pl, map_mark, x, y);
530	root	1.2	}
531			}
532			}
533	elmex	1.1	}
534			}
535
536
537			/**
538			* Creates magic map for player.
539			*
540			* Note: For improved magic mapping display, the space that blocks
541			* the view is now marked with value 2. Any dependencies of map_mark
542			* being nonzero have been changed to check for 1. Also, since
543			* map_mark is a char value, putting 2 in should cause no problems.
544			*
545			* This function examines the map the player is on, and determines what
546			* is visible. 2 is set for walls or objects that blocks view. 1
547			* is for open spaces. map_mark should already have been initialized
548			* to zero before this is called.
549			* strength is an initial strength*2 rectangular area that we automatically
550			* see in/penetrate through.
551			*/
552
553	root	1.5	void
554			magic_mapping_mark (object pl, char map_mark, int strength)
555	elmex	1.1	{
556	root	1.5	int x, y, mflags;
557			sint16 nx, ny;
558	root	1.7	maptile *mp;
559	root	1.5	New_Face *f;
560
561			for (x = -strength; x < strength; x++)
562			{
563			for (y = -strength; y < strength; y++)
564			{
565			mp = pl->map;
566			nx = pl->x + x;
567			ny = pl->y + y;
568			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
569			if (mflags & P_OUT_OF_MAP)
570			continue;
571			else
572			{
573			f = GET_MAP_FACE (mp, nx, ny, 0);
574			if (f == blank_face)
575			f = GET_MAP_FACE (mp, nx, ny, 1);
576			if (f == blank_face)
577			f = GET_MAP_FACE (mp, nx, ny, 2);
578	root	1.2	}
579
580	root	1.5	if (mflags & P_BLOCKSVIEW)
581			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
582			else
583			{
584			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
585			magic_mapping_mark_recursive (pl, map_mark, x, y);
586	root	1.2	}
587			}
588	elmex	1.1	}
589			}
590
591
592			/**
593			* Creates and sends magic map to player.
594			*
595			* The following function is a lot messier than it really should be,
596			* but there is no real easy solution.
597			*
598			* Mark Wedel
599			*/
600
601	root	1.5	void
602			draw_magic_map (object *pl)
603	elmex	1.1	{
604	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
605	root	1.5	int xmin, xmax, ymin, ymax;
606
607			if (pl->type != PLAYER)
608			{
609			LOG (llevError, "Non player object called draw_map.\n");
610			return;
611			}
612
613			/* First, we figure out what spaces are 'reachable' by the player */
614			magic_mapping_mark (pl, map_mark, 3);
615
616			/* We now go through and figure out what spaces have been
617			* marked, and thus figure out rectangular region we send
618			* to the client (eg, if only a 10x10 area is visible, we only
619			* want to send those 100 spaces.)
620			*/
621			xmin = MAGIC_MAP_SIZE;
622			ymin = MAGIC_MAP_SIZE;
623			xmax = 0;
624			ymax = 0;
625	root	1.13
626			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
627			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
628			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
629	root	1.5	{
630	root	1.13	xmin = x < xmin ? x : xmin;
631			xmax = x > xmax ? x : xmax;
632			ymin = y < ymin ? y : ymin;
633			ymax = y > ymax ? y : ymax;
634	root	1.2	}
635	elmex	1.1
636	root	1.13	SockList sl (MAXSOCKBUF);
637			sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
638			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
639
640			for (int y = ymin; y <= ymax; y++)
641			for (int x = xmin; x <= xmax; x++)
642			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
643
644			Send_With_Handling (&pl->contr->socket, &sl);
645	root	1.5
646	root	1.13	sl.free ();
647	root	1.5
648			free (map_mark);
649	elmex	1.1	}
650
651
652			/**
653			* Send a kill log record to sockets
654			*/
655
656	root	1.5	void
657			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
658			{
659			size_t len;
660			char buf[MAX_BUF];
661
662			if (With != NULL)
663	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
664	root	1.5	else
665	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
666
667	root	1.5	len = strlen (buf);
668	elmex	1.1	}