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)
{
  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 (NewSocket * 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);
      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;
        }

  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:	1.15
Committed:	Thu Dec 14 01:21:58 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+3 -6 lines
Log Message:	moar rewrite
#	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	1.15	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			esrv_print_ext_msg (NewSocket * 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			{
101			esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
102			return;
103			}
104	elmex	1.1	}
105
106			/**
107			* Prints out the contents of specified buffer structures,
108			* and clears the string.
109			*/
110
111	root	1.5	void
112			flush_output_element (const object pl, Output_Buf outputs)
113	elmex	1.1	{
114	root	1.5	char tbuf[MAX_BUF];
115	elmex	1.1
116	root	1.5	if (outputs->buf == NULL)
117			return;
118			if (outputs->count > 1)
119			{
120			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
121			print_message (NDI_BLACK, pl, tbuf);
122			}
123			else
124			print_message (NDI_BLACK, pl, &outputs->buf);
125	elmex	1.1
126	root	1.5	outputs->buf = NULL;
127			outputs->first_update = 0; /* This way, it will be reused */
128	elmex	1.1	}
129
130			/**
131			* Sends message to player through output buffers.
132			* \param pl player to send message
133			* \param buf message to send
134			*
135			* If player's output_count is 1, sends message directly.
136			*
137			* Else checks output buffers for specified message.
138			*
139			* If found, checks if message should be sent now.
140			*
141			* If message not already in buffers, flushes olders buffer,
142			* and adds message to queue.
143			*/
144
145	root	1.5	static void
146			check_output_buffers (const object pl, const char buf)
147	elmex	1.1	{
148	root	1.5	int i, oldest = 0;
149	elmex	1.1
150	root	1.5	if (pl->contr->outputs_count < 2)
151			{
152			print_message (NDI_BLACK, pl, buf);
153			return;
154			}
155			else
156			{
157			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
158			{
159			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
160			break;
161			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
162			oldest = i;
163	root	1.2	}
164	root	1.5	/* We found a match */
165			if (i < NUM_OUTPUT_BUFS)
166			{
167			pl->contr->outputs[i].count++;
168			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
169			{
170			flush_output_element (pl, &pl->contr->outputs[i]);
171	root	1.2	}
172			}
173	root	1.5	/* No match - flush the oldest, and put the new one in */
174			else
175			{
176			flush_output_element (pl, &pl->contr->outputs[oldest]);
177
178			pl->contr->outputs[oldest].first_update = pticks;
179			pl->contr->outputs[oldest].count = 1;
180			pl->contr->outputs[oldest].buf = buf;
181	root	1.2	}
182	elmex	1.1	}
183			}
184	root	1.5
185	elmex	1.1
186
187			/**
188			* Sends message to player(s).
189			*
190			* flags is various flags - mostly color, plus a few specials.
191			*
192			* pri is priority. It is a little odd - the lower the value, the more
193			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
194			* value must be less than the listening level that the player has set.
195			* Unfortunately, there is no clear guideline on what each level does what.
196			*
197			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
198			* in the flags.
199			*
200			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
201			*
202			*/
203
204	root	1.5	void
205			new_draw_info (int flags, int pri, const object pl, const char buf)
206	elmex	1.1	{
207
208	root	1.5	if (flags & NDI_ALL)
209			{
210			player *tmppl;
211	elmex	1.1
212	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
213			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
214	elmex	1.1
215	root	1.5	return;
216	elmex	1.1	}
217	root	1.11
218	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
219			{
220			/* Write to the socket? */
221			print_message (0, NULL, buf);
222			return;
223	elmex	1.1	}
224	root	1.11
225	root	1.5	if (pl->type != PLAYER)
226			return;
227	root	1.11
228	root	1.5	if (pri >= pl->contr->listening)
229			return;
230
231			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
232	root	1.11	/* following prints stuff out, as appropriate */
233			check_output_buffers (pl, buf);
234	root	1.5	else
235	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
236	elmex	1.1	}
237
238			/**
239			* Wrapper for new_draw_info printf-like.
240			*
241			* This is a pretty trivial function, but it allows us to use printf style
242			* formatting, so instead of the calling function having to do it, we do
243			* it here. It may also have advantages in the future for reduction of
244			* client/server bandwidth (client could keep track of various strings
245			*/
246
247	root	1.5	void
248			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
249	elmex	1.1	{
250	root	1.5	char buf[HUGE_BUF];
251
252			va_list ap;
253
254			va_start (ap, format);
255	elmex	1.1
256	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
257	elmex	1.1
258	root	1.5	va_end (ap);
259	elmex	1.1
260	root	1.5	new_draw_info (flags, pri, pl, buf);
261	elmex	1.1	}
262
263
264	root	1.5	void
265			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
266			{
267
268			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
269			return;
270
271			if (pri >= pl->contr->listening)
272			return;
273			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
274			{
275			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
276
277			if (buf == NULL)
278			LOG (llevError, "info::draw_ext_info -> Out of memory!");
279			else
280			{
281			strcpy (buf, oldmessage == NULL ? message : oldmessage);
282			strip_media_tag (buf);
283			new_draw_info (flags, pri, pl, buf);
284			free (buf);
285	elmex	1.1	}
286	root	1.5	}
287			else
288			{
289			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
290	elmex	1.1	}
291			}
292
293	root	1.5	void
294			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
295			{
296
297			char buf[HUGE_BUF];
298
299			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
300			return;
301
302			if (pri >= pl->contr->listening)
303			return;
304			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
305			{
306			va_list ap;
307
308			LOG (llevDebug, "Non supported extension text type for client.\n");
309			va_start (ap, new_format);
310			vsnprintf (buf, HUGE_BUF, old_format, ap);
311			va_end (ap);
312			new_draw_info (flags, pri, pl, buf);
313			return;
314			}
315			else
316			{
317			va_list ap;
318
319			va_start (ap, new_format);
320			vsnprintf (buf, HUGE_BUF, new_format, ap);
321			va_end (ap);
322			strip_media_tag (buf);
323			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
324	elmex	1.1	}
325			}
326	root	1.5
327	elmex	1.1	/**
328			* Writes to everyone on the map except op. This is useful for emotions.
329			*/
330
331	root	1.5	void
332	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
333	root	1.5	{
334			player *pl;
335	elmex	1.1
336	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
337			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
338			{
339			new_draw_info (color, 0, pl->ob, str);
340			}
341	elmex	1.1	}
342
343			/**
344			* Writes to everyone on the map except op1 and op2
345			*/
346
347	root	1.5	void
348	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
349	root	1.5	{
350			player *pl;
351
352			for (pl = first_player; pl != NULL; pl = pl->next)
353			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
354			{
355			new_draw_info (color, 0, pl->ob, str);
356			}
357	elmex	1.1	}
358
359			/**
360			* Writes to everyone on the specified map
361			*/
362
363	root	1.5	void
364	root	1.8	new_info_map (int color, maptile * map, const char *str)
365	root	1.5	{
366			player *pl;
367	elmex	1.1
368	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
369			if (pl->ob != NULL && pl->ob->map == map)
370			{
371			new_draw_info (color, 0, pl->ob, str);
372			}
373	elmex	1.1	}
374
375
376			/**
377			* This does nothing now. However, in theory, we should probably send
378			* something to the client and let the client figure out how it might want
379			* to handle this
380			*/
381	root	1.5	void
382			clear_win_info (object *op)
383	elmex	1.1	{
384			}
385
386			/**
387			* Get player's current range attack in obuf.
388			*/
389	root	1.5	void
390			rangetostring (object pl, char obuf)
391	elmex	1.1	{
392	root	1.5	switch (pl->contr->shoottype)
393			{
394	root	1.8	case range_none:
395			strcpy (obuf, "Range: nothing");
396			break;
397	root	1.2
398	root	1.8	case range_bow:
399			{
400			object *op;
401	root	1.2
402	root	1.8	for (op = pl->inv; op; op = op->below)
403			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
404	root	1.5	break;
405	root	1.10
406	root	1.8	if (op == NULL)
407			break;
408
409			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
410			}
411			break;
412	root	1.5
413	root	1.8	case range_magic:
414			if (settings.casting_time == TRUE)
415			{
416			if (pl->casting_time > -1)
417			{
418			if (pl->casting_time == 0)
419	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
420	root	1.8	else
421	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
422	root	1.8	}
423			else
424			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
425	root	1.5	}
426	root	1.8	else
427			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
428			break;
429
430			case range_misc:
431			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
432			break;
433
434			/* range_scroll is only used for controlling golems. If the
435			* the player does not have a golem, reset some things.
436			*/
437			case range_golem:
438			if (pl->contr->ranges[range_golem] != NULL)
439			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
440			else
441			{
442			pl->contr->shoottype = range_none;
443			strcpy (obuf, "Range: nothing");
444			}
445			break;
446	root	1.2
447	root	1.8	case range_skill:
448			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
449			break;
450
451			case range_builder:
452			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
453			break;
454	elmex	1.1
455	root	1.8	default:
456			strcpy (obuf, "Range: illegal");
457	elmex	1.1	}
458			}
459
460			/**
461			* Sets player title.
462			*/
463	root	1.5	void
464			set_title (object pl, char buf)
465	elmex	1.1	{
466	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
467			if (pl->contr->own_title[0] == '\0')
468			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
469			else
470			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
471	elmex	1.1	}
472
473
474			/**
475			* Helper for magic map creation.
476			*
477			* Takes a player, the map_mark array and an x and y starting position.
478			* pl is the player.
479			* px, py are offsets from the player.
480			*
481			* This function examines all the adjacant spaces next to px, py.
482			* It updates the map_mark arrow with the color and high bits set
483			* for various code values.
484			*/
485	root	1.5	static void
486			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
487	elmex	1.1	{
488	root	1.5	int x, y, dx, dy, mflags;
489			sint16 nx, ny;
490	root	1.7	maptile *mp;
491	root	1.5	New_Face *f;
492
493			for (dx = -1; dx <= 1; dx++)
494			{
495			for (dy = -1; dy <= 1; dy++)
496			{
497			x = px + dx;
498			y = py + dy;
499
500			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
501			continue;
502
503			mp = pl->map;
504			nx = pl->x + x;
505			ny = pl->y + y;
506
507			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
508			if (mflags & P_OUT_OF_MAP)
509			continue;
510
511			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
512			{
513			f = GET_MAP_FACE (mp, nx, ny, 0);
514			if (f == blank_face)
515			f = GET_MAP_FACE (mp, nx, ny, 1);
516			if (f == blank_face)
517			f = GET_MAP_FACE (mp, nx, ny, 2);
518
519			/* Should probably have P_NO_MAGIC here also, but then shops don't
520			* work.
521			*/
522			if (mflags & P_BLOCKSVIEW)
523			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
524			else
525			{
526			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
527			magic_mapping_mark_recursive (pl, map_mark, x, y);
528	root	1.2	}
529			}
530			}
531	elmex	1.1	}
532			}
533
534
535			/**
536			* Creates magic map for player.
537			*
538			* Note: For improved magic mapping display, the space that blocks
539			* the view is now marked with value 2. Any dependencies of map_mark
540			* being nonzero have been changed to check for 1. Also, since
541			* map_mark is a char value, putting 2 in should cause no problems.
542			*
543			* This function examines the map the player is on, and determines what
544			* is visible. 2 is set for walls or objects that blocks view. 1
545			* is for open spaces. map_mark should already have been initialized
546			* to zero before this is called.
547			* strength is an initial strength*2 rectangular area that we automatically
548			* see in/penetrate through.
549			*/
550
551	root	1.5	void
552			magic_mapping_mark (object pl, char map_mark, int strength)
553	elmex	1.1	{
554	root	1.5	int x, y, mflags;
555			sint16 nx, ny;
556	root	1.7	maptile *mp;
557	root	1.5	New_Face *f;
558
559			for (x = -strength; x < strength; x++)
560			{
561			for (y = -strength; y < strength; y++)
562			{
563			mp = pl->map;
564			nx = pl->x + x;
565			ny = pl->y + y;
566			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
567			if (mflags & P_OUT_OF_MAP)
568			continue;
569			else
570			{
571			f = GET_MAP_FACE (mp, nx, ny, 0);
572			if (f == blank_face)
573			f = GET_MAP_FACE (mp, nx, ny, 1);
574			if (f == blank_face)
575			f = GET_MAP_FACE (mp, nx, ny, 2);
576	root	1.2	}
577
578	root	1.5	if (mflags & P_BLOCKSVIEW)
579			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
580			else
581			{
582			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
583			magic_mapping_mark_recursive (pl, map_mark, x, y);
584	root	1.2	}
585			}
586	elmex	1.1	}
587			}
588
589
590			/**
591			* Creates and sends magic map to player.
592			*
593			* The following function is a lot messier than it really should be,
594			* but there is no real easy solution.
595			*
596			* Mark Wedel
597			*/
598
599	root	1.5	void
600			draw_magic_map (object *pl)
601	elmex	1.1	{
602	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
603	root	1.5	int xmin, xmax, ymin, ymax;
604
605			if (pl->type != PLAYER)
606			{
607			LOG (llevError, "Non player object called draw_map.\n");
608			return;
609			}
610
611			/* First, we figure out what spaces are 'reachable' by the player */
612			magic_mapping_mark (pl, map_mark, 3);
613
614			/* We now go through and figure out what spaces have been
615			* marked, and thus figure out rectangular region we send
616			* to the client (eg, if only a 10x10 area is visible, we only
617			* want to send those 100 spaces.)
618			*/
619			xmin = MAGIC_MAP_SIZE;
620			ymin = MAGIC_MAP_SIZE;
621			xmax = 0;
622			ymax = 0;
623	root	1.13
624			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
625			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
626			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
627	root	1.5	{
628	root	1.13	xmin = x < xmin ? x : xmin;
629			xmax = x > xmax ? x : xmax;
630			ymin = y < ymin ? y : ymin;
631			ymax = y > ymax ? y : ymax;
632	root	1.2	}
633	elmex	1.1
634	root	1.15	packet sl;
635	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
636			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
637
638			for (int y = ymin; y <= ymax; y++)
639			for (int x = xmin; x <= xmax; x++)
640			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
641
642			Send_With_Handling (&pl->contr->socket, &sl);
643	root	1.5
644
645			free (map_mark);
646	elmex	1.1	}
647
648
649			/**
650			* Send a kill log record to sockets
651			*/
652
653	root	1.5	void
654			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
655			{
656			size_t len;
657			char buf[MAX_BUF];
658
659			if (With != NULL)
660	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
661	root	1.5	else
662	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
663
664	root	1.5	len = strlen (buf);
665	elmex	1.1	}