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 (client * ns, int color, const char *str)
{
  ns->send_packet_printf ("drawinfo %d %s", color, str);
}

/**
 * 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 (client * ns, int color, uint8 type, uint8 subtype, const char *message)
{
  ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
}

/**
 * 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);
}

/**
 * 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;
        }

  packet sl;
  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);

  pl->contr->socket->send_packet (sl);

  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:	1.21
Committed:	Sat Dec 16 03:08:26 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.20:	+2 -7 lines
Log Message:	- socket i/o is completely asynchronous now - some command sare handled immediately - others (most palying related commands) are queued for later (as of now synchronous) processing - specifying a max queue length (in seconds) is possible, but disabled - also add some syntax sugar for network code
#	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	root	1.20	esrv_print_msg (client * ns, int color, const char *str)
49	elmex	1.1	{
50	root	1.21	ns->send_packet_printf ("drawinfo %d %s", color, str);
51	elmex	1.1	}
52
53			/**
54			* Draws an extended message on the client.
55			* ns the socket to send message to
56			* color color informations (used mainly if client does not support message type)
57			* type,
58			* subtype type and subtype of text message
59			* intro Intro message to send with main message if client does not support the message type
60			* message The main message
61			*/
62	root	1.5	static void
63	root	1.20	esrv_print_ext_msg (client * ns, int color, uint8 type, uint8 subtype, const char *message)
64	elmex	1.1	{
65	root	1.21	ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
66	elmex	1.1	}
67
68			/**
69			* Frontend for esrv_print_msg
70			* \param colr message color
71			* \param pl player to send to. Can be NULL
72			* \param tmp message to send. Can be NULL
73			*
74			* If pl is NULL or without contr set, writes message to log.
75			*
76			* Else sends message to player via esrv_print_msg
77			*/
78
79	root	1.5	static void
80			print_message (int colr, const object pl, const char tmp)
81			{
82	elmex	1.1
83	root	1.11	if (!tmp)
84			tmp = "[NULL]";
85	elmex	1.1
86			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
87			return;
88
89	root	1.5	if (pl->type == PLAYER)
90	root	1.17	esrv_print_msg (pl->contr->socket, colr, (char *) tmp);
91	elmex	1.1	}
92
93			/**
94			* Prints out the contents of specified buffer structures,
95			* and clears the string.
96			*/
97
98	root	1.5	void
99			flush_output_element (const object pl, Output_Buf outputs)
100	elmex	1.1	{
101	root	1.5	char tbuf[MAX_BUF];
102	elmex	1.1
103	root	1.5	if (outputs->buf == NULL)
104			return;
105			if (outputs->count > 1)
106			{
107			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
108			print_message (NDI_BLACK, pl, tbuf);
109			}
110			else
111			print_message (NDI_BLACK, pl, &outputs->buf);
112	elmex	1.1
113	root	1.5	outputs->buf = NULL;
114			outputs->first_update = 0; /* This way, it will be reused */
115	elmex	1.1	}
116
117			/**
118			* Sends message to player through output buffers.
119			* \param pl player to send message
120			* \param buf message to send
121			*
122			* If player's output_count is 1, sends message directly.
123			*
124			* Else checks output buffers for specified message.
125			*
126			* If found, checks if message should be sent now.
127			*
128			* If message not already in buffers, flushes olders buffer,
129			* and adds message to queue.
130			*/
131
132	root	1.5	static void
133			check_output_buffers (const object pl, const char buf)
134	elmex	1.1	{
135	root	1.5	int i, oldest = 0;
136	elmex	1.1
137	root	1.5	if (pl->contr->outputs_count < 2)
138			{
139			print_message (NDI_BLACK, pl, buf);
140			return;
141			}
142			else
143			{
144			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
145			{
146			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
147			break;
148			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
149			oldest = i;
150	root	1.2	}
151	root	1.5	/* We found a match */
152			if (i < NUM_OUTPUT_BUFS)
153			{
154			pl->contr->outputs[i].count++;
155			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
156			{
157			flush_output_element (pl, &pl->contr->outputs[i]);
158	root	1.2	}
159			}
160	root	1.5	/* No match - flush the oldest, and put the new one in */
161			else
162			{
163			flush_output_element (pl, &pl->contr->outputs[oldest]);
164
165			pl->contr->outputs[oldest].first_update = pticks;
166			pl->contr->outputs[oldest].count = 1;
167			pl->contr->outputs[oldest].buf = buf;
168	root	1.2	}
169	elmex	1.1	}
170			}
171	root	1.5
172	elmex	1.1
173
174			/**
175			* Sends message to player(s).
176			*
177			* flags is various flags - mostly color, plus a few specials.
178			*
179			* pri is priority. It is a little odd - the lower the value, the more
180			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
181			* value must be less than the listening level that the player has set.
182			* Unfortunately, there is no clear guideline on what each level does what.
183			*
184			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
185			* in the flags.
186			*
187			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
188			*
189			*/
190
191	root	1.5	void
192			new_draw_info (int flags, int pri, const object pl, const char buf)
193	elmex	1.1	{
194
195	root	1.5	if (flags & NDI_ALL)
196			{
197			player *tmppl;
198	elmex	1.1
199	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
200			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
201	elmex	1.1
202	root	1.5	return;
203	elmex	1.1	}
204	root	1.11
205	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
206			{
207			/* Write to the socket? */
208			print_message (0, NULL, buf);
209			return;
210	elmex	1.1	}
211	root	1.11
212	root	1.5	if (pl->type != PLAYER)
213			return;
214	root	1.11
215	root	1.5	if (pri >= pl->contr->listening)
216			return;
217
218			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
219	root	1.11	/* following prints stuff out, as appropriate */
220			check_output_buffers (pl, buf);
221	root	1.5	else
222	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
223	elmex	1.1	}
224
225			/**
226			* Wrapper for new_draw_info printf-like.
227			*
228			* This is a pretty trivial function, but it allows us to use printf style
229			* formatting, so instead of the calling function having to do it, we do
230			* it here. It may also have advantages in the future for reduction of
231			* client/server bandwidth (client could keep track of various strings
232			*/
233
234	root	1.5	void
235			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
236	elmex	1.1	{
237	root	1.5	char buf[HUGE_BUF];
238
239			va_list ap;
240
241			va_start (ap, format);
242	elmex	1.1
243	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
244	elmex	1.1
245	root	1.5	va_end (ap);
246	elmex	1.1
247	root	1.5	new_draw_info (flags, pri, pl, buf);
248	elmex	1.1	}
249
250
251	root	1.5	void
252			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
253			{
254
255			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
256			return;
257
258			if (pri >= pl->contr->listening)
259			return;
260	root	1.17
261			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
262	root	1.5	{
263			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
264
265			if (buf == NULL)
266			LOG (llevError, "info::draw_ext_info -> Out of memory!");
267			else
268			{
269			strcpy (buf, oldmessage == NULL ? message : oldmessage);
270			strip_media_tag (buf);
271			new_draw_info (flags, pri, pl, buf);
272			free (buf);
273	elmex	1.1	}
274	root	1.5	}
275			else
276	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
277	elmex	1.1	}
278
279	root	1.5	void
280			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
281			{
282
283			char buf[HUGE_BUF];
284
285			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
286			return;
287
288			if (pri >= pl->contr->listening)
289			return;
290	root	1.17
291			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
292	root	1.5	{
293			va_list ap;
294
295			LOG (llevDebug, "Non supported extension text type for client.\n");
296			va_start (ap, new_format);
297			vsnprintf (buf, HUGE_BUF, old_format, ap);
298			va_end (ap);
299			new_draw_info (flags, pri, pl, buf);
300			return;
301			}
302			else
303			{
304			va_list ap;
305
306			va_start (ap, new_format);
307			vsnprintf (buf, HUGE_BUF, new_format, ap);
308			va_end (ap);
309			strip_media_tag (buf);
310	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
311	elmex	1.1	}
312			}
313	root	1.5
314	elmex	1.1	/**
315			* Writes to everyone on the map except op. This is useful for emotions.
316			*/
317
318	root	1.5	void
319	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
320	root	1.5	{
321			player *pl;
322	elmex	1.1
323	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
324			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
325			{
326			new_draw_info (color, 0, pl->ob, str);
327			}
328	elmex	1.1	}
329
330			/**
331			* Writes to everyone on the map except op1 and op2
332			*/
333
334	root	1.5	void
335	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
336	root	1.5	{
337			player *pl;
338
339			for (pl = first_player; pl != NULL; pl = pl->next)
340			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
341			{
342			new_draw_info (color, 0, pl->ob, str);
343			}
344	elmex	1.1	}
345
346			/**
347			* Writes to everyone on the specified map
348			*/
349
350	root	1.5	void
351	root	1.8	new_info_map (int color, maptile * map, const char *str)
352	root	1.5	{
353			player *pl;
354	elmex	1.1
355	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
356			if (pl->ob != NULL && pl->ob->map == map)
357			{
358			new_draw_info (color, 0, pl->ob, str);
359			}
360	elmex	1.1	}
361
362
363			/**
364			* This does nothing now. However, in theory, we should probably send
365			* something to the client and let the client figure out how it might want
366			* to handle this
367			*/
368	root	1.5	void
369			clear_win_info (object *op)
370	elmex	1.1	{
371			}
372
373			/**
374			* Get player's current range attack in obuf.
375			*/
376	root	1.5	void
377			rangetostring (object pl, char obuf)
378	elmex	1.1	{
379	root	1.5	switch (pl->contr->shoottype)
380			{
381	root	1.8	case range_none:
382			strcpy (obuf, "Range: nothing");
383			break;
384	root	1.2
385	root	1.8	case range_bow:
386			{
387			object *op;
388	root	1.2
389	root	1.8	for (op = pl->inv; op; op = op->below)
390			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
391	root	1.5	break;
392	root	1.10
393	root	1.8	if (op == NULL)
394			break;
395
396			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
397			}
398			break;
399	root	1.5
400	root	1.8	case range_magic:
401			if (settings.casting_time == TRUE)
402			{
403			if (pl->casting_time > -1)
404			{
405			if (pl->casting_time == 0)
406	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
407	root	1.8	else
408	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
409	root	1.8	}
410			else
411			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
412	root	1.5	}
413	root	1.8	else
414			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
415			break;
416
417			case range_misc:
418			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
419			break;
420
421			/* range_scroll is only used for controlling golems. If the
422			* the player does not have a golem, reset some things.
423			*/
424			case range_golem:
425			if (pl->contr->ranges[range_golem] != NULL)
426			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
427			else
428			{
429			pl->contr->shoottype = range_none;
430			strcpy (obuf, "Range: nothing");
431			}
432			break;
433	root	1.2
434	root	1.8	case range_skill:
435			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
436			break;
437
438			case range_builder:
439			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
440			break;
441	elmex	1.1
442	root	1.8	default:
443			strcpy (obuf, "Range: illegal");
444	elmex	1.1	}
445			}
446
447			/**
448			* Sets player title.
449			*/
450	root	1.5	void
451			set_title (object pl, char buf)
452	elmex	1.1	{
453	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
454			if (pl->contr->own_title[0] == '\0')
455			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
456			else
457			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
458	elmex	1.1	}
459
460
461			/**
462			* Helper for magic map creation.
463			*
464			* Takes a player, the map_mark array and an x and y starting position.
465			* pl is the player.
466			* px, py are offsets from the player.
467			*
468			* This function examines all the adjacant spaces next to px, py.
469			* It updates the map_mark arrow with the color and high bits set
470			* for various code values.
471			*/
472	root	1.5	static void
473			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
474	elmex	1.1	{
475	root	1.5	int x, y, dx, dy, mflags;
476			sint16 nx, ny;
477	root	1.7	maptile *mp;
478	root	1.5	New_Face *f;
479
480			for (dx = -1; dx <= 1; dx++)
481			{
482			for (dy = -1; dy <= 1; dy++)
483			{
484			x = px + dx;
485			y = py + dy;
486
487			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
488			continue;
489
490			mp = pl->map;
491			nx = pl->x + x;
492			ny = pl->y + y;
493
494			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
495			if (mflags & P_OUT_OF_MAP)
496			continue;
497
498			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
499			{
500			f = GET_MAP_FACE (mp, nx, ny, 0);
501			if (f == blank_face)
502			f = GET_MAP_FACE (mp, nx, ny, 1);
503			if (f == blank_face)
504			f = GET_MAP_FACE (mp, nx, ny, 2);
505
506			/* Should probably have P_NO_MAGIC here also, but then shops don't
507			* work.
508			*/
509			if (mflags & P_BLOCKSVIEW)
510			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
511			else
512			{
513			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
514			magic_mapping_mark_recursive (pl, map_mark, x, y);
515	root	1.2	}
516			}
517			}
518	elmex	1.1	}
519			}
520
521
522			/**
523			* Creates magic map for player.
524			*
525			* Note: For improved magic mapping display, the space that blocks
526			* the view is now marked with value 2. Any dependencies of map_mark
527			* being nonzero have been changed to check for 1. Also, since
528			* map_mark is a char value, putting 2 in should cause no problems.
529			*
530			* This function examines the map the player is on, and determines what
531			* is visible. 2 is set for walls or objects that blocks view. 1
532			* is for open spaces. map_mark should already have been initialized
533			* to zero before this is called.
534			* strength is an initial strength*2 rectangular area that we automatically
535			* see in/penetrate through.
536			*/
537
538	root	1.5	void
539			magic_mapping_mark (object pl, char map_mark, int strength)
540	elmex	1.1	{
541	root	1.5	int x, y, mflags;
542			sint16 nx, ny;
543	root	1.7	maptile *mp;
544	root	1.5	New_Face *f;
545
546			for (x = -strength; x < strength; x++)
547			{
548			for (y = -strength; y < strength; y++)
549			{
550			mp = pl->map;
551			nx = pl->x + x;
552			ny = pl->y + y;
553			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
554			if (mflags & P_OUT_OF_MAP)
555			continue;
556			else
557			{
558			f = GET_MAP_FACE (mp, nx, ny, 0);
559			if (f == blank_face)
560			f = GET_MAP_FACE (mp, nx, ny, 1);
561			if (f == blank_face)
562			f = GET_MAP_FACE (mp, nx, ny, 2);
563	root	1.2	}
564
565	root	1.5	if (mflags & P_BLOCKSVIEW)
566			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
567			else
568			{
569			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
570			magic_mapping_mark_recursive (pl, map_mark, x, y);
571	root	1.2	}
572			}
573	elmex	1.1	}
574			}
575
576
577			/**
578			* Creates and sends magic map to player.
579			*
580			* The following function is a lot messier than it really should be,
581			* but there is no real easy solution.
582			*
583			* Mark Wedel
584			*/
585
586	root	1.5	void
587			draw_magic_map (object *pl)
588	elmex	1.1	{
589	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
590	root	1.5	int xmin, xmax, ymin, ymax;
591
592			if (pl->type != PLAYER)
593			{
594			LOG (llevError, "Non player object called draw_map.\n");
595			return;
596			}
597
598			/* First, we figure out what spaces are 'reachable' by the player */
599			magic_mapping_mark (pl, map_mark, 3);
600
601			/* We now go through and figure out what spaces have been
602			* marked, and thus figure out rectangular region we send
603			* to the client (eg, if only a 10x10 area is visible, we only
604			* want to send those 100 spaces.)
605			*/
606			xmin = MAGIC_MAP_SIZE;
607			ymin = MAGIC_MAP_SIZE;
608			xmax = 0;
609			ymax = 0;
610	root	1.13
611			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
612			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
613			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
614	root	1.5	{
615	root	1.13	xmin = x < xmin ? x : xmin;
616			xmax = x > xmax ? x : xmax;
617			ymin = y < ymin ? y : ymin;
618			ymax = y > ymax ? y : ymax;
619	root	1.2	}
620	elmex	1.1
621	root	1.15	packet sl;
622	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
623			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
624
625			for (int y = ymin; y <= ymax; y++)
626			for (int x = xmin; x <= xmax; x++)
627			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
628
629	root	1.19	pl->contr->socket->send_packet (sl);
630	root	1.5
631			free (map_mark);
632	elmex	1.1	}
633
634
635			/**
636			* Send a kill log record to sockets
637			*/
638
639	root	1.5	void
640			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
641			{
642			size_t len;
643			char buf[MAX_BUF];
644
645			if (With != NULL)
646	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
647	root	1.5	else
648	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
649
650	root	1.5	len = strlen (buf);
651	elmex	1.1	}