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_socket * ns, int color, const char *str)
{
  packet sl;

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

  ns->send_packet (sl);
}

/**
 * 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_socket * ns, int color, uint8 type, uint8 subtype, const char *message)
{
  packet sl;

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

/**
 * 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);

  Send_With_Handling (pl->contr->socket, &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:	1.17
Committed:	Thu Dec 14 04:30:33 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.16:	+8 -12 lines
Log Message:	- rewrote most of the socket loop code - moved connection accept into tcp.ext - no evil socket copying anymore, needs more cleanups
#	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	1.16	esrv_print_msg (client_socket * ns, int color, const char *str)
49	elmex	1.1	{
50	root	1.15	packet sl;
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	elmex	1.1	}
59
60			/**
61			* Draws an extended message on the client.
62			* ns the socket to send message to
63			* color color informations (used mainly if client does not support message type)
64			* type,
65			* subtype type and subtype of text message
66			* intro Intro message to send with main message if client does not support the message type
67			* message The main message
68			*/
69	root	1.5	static void
70	root	1.16	esrv_print_ext_msg (client_socket * ns, int color, uint8 type, uint8 subtype, const char *message)
71	elmex	1.1	{
72	root	1.15	packet sl;
73	elmex	1.1
74	root	1.14	sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
75			ns->send_packet (sl);
76	elmex	1.1	}
77
78			/**
79			* Frontend for esrv_print_msg
80			* \param colr message color
81			* \param pl player to send to. Can be NULL
82			* \param tmp message to send. Can be NULL
83			*
84			* If pl is NULL or without contr set, writes message to log.
85			*
86			* Else sends message to player via esrv_print_msg
87			*/
88
89	root	1.5	static void
90			print_message (int colr, const object pl, const char tmp)
91			{
92	elmex	1.1
93	root	1.11	if (!tmp)
94			tmp = "[NULL]";
95	elmex	1.1
96			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
97			return;
98
99	root	1.5	if (pl->type == PLAYER)
100	root	1.17	esrv_print_msg (pl->contr->socket, colr, (char *) tmp);
101	elmex	1.1	}
102
103			/**
104			* Prints out the contents of specified buffer structures,
105			* and clears the string.
106			*/
107
108	root	1.5	void
109			flush_output_element (const object pl, Output_Buf outputs)
110	elmex	1.1	{
111	root	1.5	char tbuf[MAX_BUF];
112	elmex	1.1
113	root	1.5	if (outputs->buf == NULL)
114			return;
115			if (outputs->count > 1)
116			{
117			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
118			print_message (NDI_BLACK, pl, tbuf);
119			}
120			else
121			print_message (NDI_BLACK, pl, &outputs->buf);
122	elmex	1.1
123	root	1.5	outputs->buf = NULL;
124			outputs->first_update = 0; /* This way, it will be reused */
125	elmex	1.1	}
126
127			/**
128			* Sends message to player through output buffers.
129			* \param pl player to send message
130			* \param buf message to send
131			*
132			* If player's output_count is 1, sends message directly.
133			*
134			* Else checks output buffers for specified message.
135			*
136			* If found, checks if message should be sent now.
137			*
138			* If message not already in buffers, flushes olders buffer,
139			* and adds message to queue.
140			*/
141
142	root	1.5	static void
143			check_output_buffers (const object pl, const char buf)
144	elmex	1.1	{
145	root	1.5	int i, oldest = 0;
146	elmex	1.1
147	root	1.5	if (pl->contr->outputs_count < 2)
148			{
149			print_message (NDI_BLACK, pl, buf);
150			return;
151			}
152			else
153			{
154			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
155			{
156			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
157			break;
158			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
159			oldest = i;
160	root	1.2	}
161	root	1.5	/* We found a match */
162			if (i < NUM_OUTPUT_BUFS)
163			{
164			pl->contr->outputs[i].count++;
165			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
166			{
167			flush_output_element (pl, &pl->contr->outputs[i]);
168	root	1.2	}
169			}
170	root	1.5	/* No match - flush the oldest, and put the new one in */
171			else
172			{
173			flush_output_element (pl, &pl->contr->outputs[oldest]);
174
175			pl->contr->outputs[oldest].first_update = pticks;
176			pl->contr->outputs[oldest].count = 1;
177			pl->contr->outputs[oldest].buf = buf;
178	root	1.2	}
179	elmex	1.1	}
180			}
181	root	1.5
182	elmex	1.1
183
184			/**
185			* Sends message to player(s).
186			*
187			* flags is various flags - mostly color, plus a few specials.
188			*
189			* pri is priority. It is a little odd - the lower the value, the more
190			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
191			* value must be less than the listening level that the player has set.
192			* Unfortunately, there is no clear guideline on what each level does what.
193			*
194			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
195			* in the flags.
196			*
197			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
198			*
199			*/
200
201	root	1.5	void
202			new_draw_info (int flags, int pri, const object pl, const char buf)
203	elmex	1.1	{
204
205	root	1.5	if (flags & NDI_ALL)
206			{
207			player *tmppl;
208	elmex	1.1
209	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
210			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
211	elmex	1.1
212	root	1.5	return;
213	elmex	1.1	}
214	root	1.11
215	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
216			{
217			/* Write to the socket? */
218			print_message (0, NULL, buf);
219			return;
220	elmex	1.1	}
221	root	1.11
222	root	1.5	if (pl->type != PLAYER)
223			return;
224	root	1.11
225	root	1.5	if (pri >= pl->contr->listening)
226			return;
227
228			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
229	root	1.11	/* following prints stuff out, as appropriate */
230			check_output_buffers (pl, buf);
231	root	1.5	else
232	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
233	elmex	1.1	}
234
235			/**
236			* Wrapper for new_draw_info printf-like.
237			*
238			* This is a pretty trivial function, but it allows us to use printf style
239			* formatting, so instead of the calling function having to do it, we do
240			* it here. It may also have advantages in the future for reduction of
241			* client/server bandwidth (client could keep track of various strings
242			*/
243
244	root	1.5	void
245			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
246	elmex	1.1	{
247	root	1.5	char buf[HUGE_BUF];
248
249			va_list ap;
250
251			va_start (ap, format);
252	elmex	1.1
253	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
254	elmex	1.1
255	root	1.5	va_end (ap);
256	elmex	1.1
257	root	1.5	new_draw_info (flags, pri, pl, buf);
258	elmex	1.1	}
259
260
261	root	1.5	void
262			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
263			{
264
265			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
266			return;
267
268			if (pri >= pl->contr->listening)
269			return;
270	root	1.17
271			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
272	root	1.5	{
273			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
274
275			if (buf == NULL)
276			LOG (llevError, "info::draw_ext_info -> Out of memory!");
277			else
278			{
279			strcpy (buf, oldmessage == NULL ? message : oldmessage);
280			strip_media_tag (buf);
281			new_draw_info (flags, pri, pl, buf);
282			free (buf);
283	elmex	1.1	}
284	root	1.5	}
285			else
286	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
287	elmex	1.1	}
288
289	root	1.5	void
290			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
291			{
292
293			char buf[HUGE_BUF];
294
295			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
296			return;
297
298			if (pri >= pl->contr->listening)
299			return;
300	root	1.17
301			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
302	root	1.5	{
303			va_list ap;
304
305			LOG (llevDebug, "Non supported extension text type for client.\n");
306			va_start (ap, new_format);
307			vsnprintf (buf, HUGE_BUF, old_format, ap);
308			va_end (ap);
309			new_draw_info (flags, pri, pl, buf);
310			return;
311			}
312			else
313			{
314			va_list ap;
315
316			va_start (ap, new_format);
317			vsnprintf (buf, HUGE_BUF, new_format, ap);
318			va_end (ap);
319			strip_media_tag (buf);
320	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
321	elmex	1.1	}
322			}
323	root	1.5
324	elmex	1.1	/**
325			* Writes to everyone on the map except op. This is useful for emotions.
326			*/
327
328	root	1.5	void
329	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
330	root	1.5	{
331			player *pl;
332	elmex	1.1
333	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
334			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
335			{
336			new_draw_info (color, 0, pl->ob, str);
337			}
338	elmex	1.1	}
339
340			/**
341			* Writes to everyone on the map except op1 and op2
342			*/
343
344	root	1.5	void
345	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
346	root	1.5	{
347			player *pl;
348
349			for (pl = first_player; pl != NULL; pl = pl->next)
350			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
351			{
352			new_draw_info (color, 0, pl->ob, str);
353			}
354	elmex	1.1	}
355
356			/**
357			* Writes to everyone on the specified map
358			*/
359
360	root	1.5	void
361	root	1.8	new_info_map (int color, maptile * map, const char *str)
362	root	1.5	{
363			player *pl;
364	elmex	1.1
365	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
366			if (pl->ob != NULL && pl->ob->map == map)
367			{
368			new_draw_info (color, 0, pl->ob, str);
369			}
370	elmex	1.1	}
371
372
373			/**
374			* This does nothing now. However, in theory, we should probably send
375			* something to the client and let the client figure out how it might want
376			* to handle this
377			*/
378	root	1.5	void
379			clear_win_info (object *op)
380	elmex	1.1	{
381			}
382
383			/**
384			* Get player's current range attack in obuf.
385			*/
386	root	1.5	void
387			rangetostring (object pl, char obuf)
388	elmex	1.1	{
389	root	1.5	switch (pl->contr->shoottype)
390			{
391	root	1.8	case range_none:
392			strcpy (obuf, "Range: nothing");
393			break;
394	root	1.2
395	root	1.8	case range_bow:
396			{
397			object *op;
398	root	1.2
399	root	1.8	for (op = pl->inv; op; op = op->below)
400			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
401	root	1.5	break;
402	root	1.10
403	root	1.8	if (op == NULL)
404			break;
405
406			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
407			}
408			break;
409	root	1.5
410	root	1.8	case range_magic:
411			if (settings.casting_time == TRUE)
412			{
413			if (pl->casting_time > -1)
414			{
415			if (pl->casting_time == 0)
416	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
417	root	1.8	else
418	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
419	root	1.8	}
420			else
421			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
422	root	1.5	}
423	root	1.8	else
424			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
425			break;
426
427			case range_misc:
428			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
429			break;
430
431			/* range_scroll is only used for controlling golems. If the
432			* the player does not have a golem, reset some things.
433			*/
434			case range_golem:
435			if (pl->contr->ranges[range_golem] != NULL)
436			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
437			else
438			{
439			pl->contr->shoottype = range_none;
440			strcpy (obuf, "Range: nothing");
441			}
442			break;
443	root	1.2
444	root	1.8	case range_skill:
445			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
446			break;
447
448			case range_builder:
449			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
450			break;
451	elmex	1.1
452	root	1.8	default:
453			strcpy (obuf, "Range: illegal");
454	elmex	1.1	}
455			}
456
457			/**
458			* Sets player title.
459			*/
460	root	1.5	void
461			set_title (object pl, char buf)
462	elmex	1.1	{
463	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
464			if (pl->contr->own_title[0] == '\0')
465			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
466			else
467			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
468	elmex	1.1	}
469
470
471			/**
472			* Helper for magic map creation.
473			*
474			* Takes a player, the map_mark array and an x and y starting position.
475			* pl is the player.
476			* px, py are offsets from the player.
477			*
478			* This function examines all the adjacant spaces next to px, py.
479			* It updates the map_mark arrow with the color and high bits set
480			* for various code values.
481			*/
482	root	1.5	static void
483			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
484	elmex	1.1	{
485	root	1.5	int x, y, dx, dy, mflags;
486			sint16 nx, ny;
487	root	1.7	maptile *mp;
488	root	1.5	New_Face *f;
489
490			for (dx = -1; dx <= 1; dx++)
491			{
492			for (dy = -1; dy <= 1; dy++)
493			{
494			x = px + dx;
495			y = py + dy;
496
497			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
498			continue;
499
500			mp = pl->map;
501			nx = pl->x + x;
502			ny = pl->y + y;
503
504			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
505			if (mflags & P_OUT_OF_MAP)
506			continue;
507
508			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
509			{
510			f = GET_MAP_FACE (mp, nx, ny, 0);
511			if (f == blank_face)
512			f = GET_MAP_FACE (mp, nx, ny, 1);
513			if (f == blank_face)
514			f = GET_MAP_FACE (mp, nx, ny, 2);
515
516			/* Should probably have P_NO_MAGIC here also, but then shops don't
517			* work.
518			*/
519			if (mflags & P_BLOCKSVIEW)
520			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
521			else
522			{
523			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
524			magic_mapping_mark_recursive (pl, map_mark, x, y);
525	root	1.2	}
526			}
527			}
528	elmex	1.1	}
529			}
530
531
532			/**
533			* Creates magic map for player.
534			*
535			* Note: For improved magic mapping display, the space that blocks
536			* the view is now marked with value 2. Any dependencies of map_mark
537			* being nonzero have been changed to check for 1. Also, since
538			* map_mark is a char value, putting 2 in should cause no problems.
539			*
540			* This function examines the map the player is on, and determines what
541			* is visible. 2 is set for walls or objects that blocks view. 1
542			* is for open spaces. map_mark should already have been initialized
543			* to zero before this is called.
544			* strength is an initial strength*2 rectangular area that we automatically
545			* see in/penetrate through.
546			*/
547
548	root	1.5	void
549			magic_mapping_mark (object pl, char map_mark, int strength)
550	elmex	1.1	{
551	root	1.5	int x, y, mflags;
552			sint16 nx, ny;
553	root	1.7	maptile *mp;
554	root	1.5	New_Face *f;
555
556			for (x = -strength; x < strength; x++)
557			{
558			for (y = -strength; y < strength; y++)
559			{
560			mp = pl->map;
561			nx = pl->x + x;
562			ny = pl->y + y;
563			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
564			if (mflags & P_OUT_OF_MAP)
565			continue;
566			else
567			{
568			f = GET_MAP_FACE (mp, nx, ny, 0);
569			if (f == blank_face)
570			f = GET_MAP_FACE (mp, nx, ny, 1);
571			if (f == blank_face)
572			f = GET_MAP_FACE (mp, nx, ny, 2);
573	root	1.2	}
574
575	root	1.5	if (mflags & P_BLOCKSVIEW)
576			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
577			else
578			{
579			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
580			magic_mapping_mark_recursive (pl, map_mark, x, y);
581	root	1.2	}
582			}
583	elmex	1.1	}
584			}
585
586
587			/**
588			* Creates and sends magic map to player.
589			*
590			* The following function is a lot messier than it really should be,
591			* but there is no real easy solution.
592			*
593			* Mark Wedel
594			*/
595
596	root	1.5	void
597			draw_magic_map (object *pl)
598	elmex	1.1	{
599	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
600	root	1.5	int xmin, xmax, ymin, ymax;
601
602			if (pl->type != PLAYER)
603			{
604			LOG (llevError, "Non player object called draw_map.\n");
605			return;
606			}
607
608			/* First, we figure out what spaces are 'reachable' by the player */
609			magic_mapping_mark (pl, map_mark, 3);
610
611			/* We now go through and figure out what spaces have been
612			* marked, and thus figure out rectangular region we send
613			* to the client (eg, if only a 10x10 area is visible, we only
614			* want to send those 100 spaces.)
615			*/
616			xmin = MAGIC_MAP_SIZE;
617			ymin = MAGIC_MAP_SIZE;
618			xmax = 0;
619			ymax = 0;
620	root	1.13
621			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
622			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
623			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
624	root	1.5	{
625	root	1.13	xmin = x < xmin ? x : xmin;
626			xmax = x > xmax ? x : xmax;
627			ymin = y < ymin ? y : ymin;
628			ymax = y > ymax ? y : ymax;
629	root	1.2	}
630	elmex	1.1
631	root	1.15	packet sl;
632	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
633			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
634
635			for (int y = ymin; y <= ymax; y++)
636			for (int x = xmin; x <= xmax; x++)
637			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
638
639	root	1.17	Send_With_Handling (pl->contr->socket, &sl);
640	root	1.5
641			free (map_mark);
642	elmex	1.1	}
643
644
645			/**
646			* Send a kill log record to sockets
647			*/
648
649	root	1.5	void
650			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
651			{
652			size_t len;
653			char buf[MAX_BUF];
654
655			if (With != NULL)
656	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
657	root	1.5	else
658	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
659
660	root	1.5	len = strlen (buf);
661	elmex	1.1	}