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->ns, 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->ns, 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->ns, 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->ns, 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->ns, 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->ns->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:	1.23
Committed:	Thu Dec 21 23:37:06 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.22:	+6 -6 lines
Log Message:	- made state a per-client variable (that does not magically make state a per-client thing!) - rename player->socket to player->ns. its not a good name for "client", but it is an historical artifact, and better than "socket".
#	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	1.22	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	1.22	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	root	1.5	static void
79			print_message (int colr, const object pl, const char tmp)
80			{
81	root	1.11	if (!tmp)
82			tmp = "[NULL]";
83	elmex	1.1
84			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
85			return;
86
87	root	1.5	if (pl->type == PLAYER)
88	root	1.23	esrv_print_msg (pl->contr->ns, colr, (char *) tmp);
89	elmex	1.1	}
90
91			/**
92			* Prints out the contents of specified buffer structures,
93			* and clears the string.
94			*/
95	root	1.5	void
96			flush_output_element (const object pl, Output_Buf outputs)
97	elmex	1.1	{
98	root	1.5	char tbuf[MAX_BUF];
99	elmex	1.1
100	root	1.5	if (outputs->buf == NULL)
101			return;
102			if (outputs->count > 1)
103			{
104			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
105			print_message (NDI_BLACK, pl, tbuf);
106			}
107			else
108			print_message (NDI_BLACK, pl, &outputs->buf);
109	elmex	1.1
110	root	1.5	outputs->buf = NULL;
111			outputs->first_update = 0; /* This way, it will be reused */
112	elmex	1.1	}
113
114			/**
115			* Sends message to player through output buffers.
116			* \param pl player to send message
117			* \param buf message to send
118			*
119			* If player's output_count is 1, sends message directly.
120			*
121			* Else checks output buffers for specified message.
122			*
123			* If found, checks if message should be sent now.
124			*
125			* If message not already in buffers, flushes olders buffer,
126			* and adds message to queue.
127			*/
128	root	1.5	static void
129			check_output_buffers (const object pl, const char buf)
130	elmex	1.1	{
131	root	1.5	int i, oldest = 0;
132	elmex	1.1
133	root	1.5	if (pl->contr->outputs_count < 2)
134			{
135			print_message (NDI_BLACK, pl, buf);
136			return;
137			}
138			else
139			{
140			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
141			{
142			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
143			break;
144			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
145			oldest = i;
146	root	1.2	}
147	root	1.5	/* We found a match */
148			if (i < NUM_OUTPUT_BUFS)
149			{
150			pl->contr->outputs[i].count++;
151			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
152			{
153			flush_output_element (pl, &pl->contr->outputs[i]);
154	root	1.2	}
155			}
156	root	1.5	/* No match - flush the oldest, and put the new one in */
157			else
158			{
159			flush_output_element (pl, &pl->contr->outputs[oldest]);
160
161			pl->contr->outputs[oldest].first_update = pticks;
162			pl->contr->outputs[oldest].count = 1;
163			pl->contr->outputs[oldest].buf = buf;
164	root	1.2	}
165	elmex	1.1	}
166			}
167	root	1.5
168	elmex	1.1	/**
169			* Sends message to player(s).
170			*
171			* flags is various flags - mostly color, plus a few specials.
172			*
173			* pri is priority. It is a little odd - the lower the value, the more
174			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
175			* value must be less than the listening level that the player has set.
176			* Unfortunately, there is no clear guideline on what each level does what.
177			*
178			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
179			* in the flags.
180			*
181			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
182			*
183			*/
184
185	root	1.5	void
186			new_draw_info (int flags, int pri, const object pl, const char buf)
187	elmex	1.1	{
188	root	1.5	if (flags & NDI_ALL)
189			{
190			player *tmppl;
191	elmex	1.1
192	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
193			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
194	elmex	1.1
195	root	1.5	return;
196	elmex	1.1	}
197	root	1.11
198	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
199			{
200			/* Write to the socket? */
201			print_message (0, NULL, buf);
202			return;
203	elmex	1.1	}
204	root	1.11
205	root	1.5	if (pl->type != PLAYER)
206			return;
207	root	1.11
208	root	1.5	if (pri >= pl->contr->listening)
209			return;
210
211			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
212	root	1.11	/* following prints stuff out, as appropriate */
213			check_output_buffers (pl, buf);
214	root	1.5	else
215	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
216	elmex	1.1	}
217
218			/**
219			* Wrapper for new_draw_info printf-like.
220			*
221			* This is a pretty trivial function, but it allows us to use printf style
222			* formatting, so instead of the calling function having to do it, we do
223			* it here. It may also have advantages in the future for reduction of
224			* client/server bandwidth (client could keep track of various strings
225			*/
226	root	1.5	void
227			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
228	elmex	1.1	{
229	root	1.5	char buf[HUGE_BUF];
230
231			va_list ap;
232
233			va_start (ap, format);
234	elmex	1.1
235	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
236	elmex	1.1
237	root	1.5	va_end (ap);
238	elmex	1.1
239	root	1.5	new_draw_info (flags, pri, pl, buf);
240	elmex	1.1	}
241
242	root	1.5	void
243			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
244			{
245
246			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
247			return;
248
249			if (pri >= pl->contr->listening)
250			return;
251	root	1.17
252	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
253	root	1.5	{
254			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
255
256			if (buf == NULL)
257			LOG (llevError, "info::draw_ext_info -> Out of memory!");
258			else
259			{
260			strcpy (buf, oldmessage == NULL ? message : oldmessage);
261			strip_media_tag (buf);
262			new_draw_info (flags, pri, pl, buf);
263			free (buf);
264	elmex	1.1	}
265	root	1.5	}
266			else
267	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message);
268	elmex	1.1	}
269
270	root	1.5	void
271			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
272			{
273
274			char buf[HUGE_BUF];
275
276			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
277			return;
278
279			if (pri >= pl->contr->listening)
280			return;
281	root	1.17
282	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
283	root	1.5	{
284			va_list ap;
285
286			LOG (llevDebug, "Non supported extension text type for client.\n");
287			va_start (ap, new_format);
288			vsnprintf (buf, HUGE_BUF, old_format, ap);
289			va_end (ap);
290			new_draw_info (flags, pri, pl, buf);
291			return;
292			}
293			else
294			{
295			va_list ap;
296
297			va_start (ap, new_format);
298			vsnprintf (buf, HUGE_BUF, new_format, ap);
299			va_end (ap);
300			strip_media_tag (buf);
301	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf);
302	elmex	1.1	}
303			}
304	root	1.5
305	elmex	1.1	/**
306			* Writes to everyone on the map except op. This is useful for emotions.
307			*/
308
309	root	1.5	void
310	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
311	root	1.5	{
312			player *pl;
313	elmex	1.1
314	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
315			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
316			{
317			new_draw_info (color, 0, pl->ob, str);
318			}
319	elmex	1.1	}
320
321			/**
322			* Writes to everyone on the map except op1 and op2
323			*/
324
325	root	1.5	void
326	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
327	root	1.5	{
328			player *pl;
329
330			for (pl = first_player; pl != NULL; pl = pl->next)
331			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
332			{
333			new_draw_info (color, 0, pl->ob, str);
334			}
335	elmex	1.1	}
336
337			/**
338			* Writes to everyone on the specified map
339			*/
340
341	root	1.5	void
342	root	1.8	new_info_map (int color, maptile * map, const char *str)
343	root	1.5	{
344			player *pl;
345	elmex	1.1
346	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
347			if (pl->ob != NULL && pl->ob->map == map)
348			{
349			new_draw_info (color, 0, pl->ob, str);
350			}
351	elmex	1.1	}
352
353
354			/**
355			* This does nothing now. However, in theory, we should probably send
356			* something to the client and let the client figure out how it might want
357			* to handle this
358			*/
359	root	1.5	void
360			clear_win_info (object *op)
361	elmex	1.1	{
362			}
363
364			/**
365			* Get player's current range attack in obuf.
366			*/
367	root	1.5	void
368			rangetostring (object pl, char obuf)
369	elmex	1.1	{
370	root	1.5	switch (pl->contr->shoottype)
371			{
372	root	1.8	case range_none:
373			strcpy (obuf, "Range: nothing");
374			break;
375	root	1.2
376	root	1.8	case range_bow:
377			{
378			object *op;
379	root	1.2
380	root	1.8	for (op = pl->inv; op; op = op->below)
381			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
382	root	1.5	break;
383	root	1.10
384	root	1.8	if (op == NULL)
385			break;
386
387			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
388			}
389			break;
390	root	1.5
391	root	1.8	case range_magic:
392			if (settings.casting_time == TRUE)
393			{
394			if (pl->casting_time > -1)
395			{
396			if (pl->casting_time == 0)
397	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
398	root	1.8	else
399	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
400	root	1.8	}
401			else
402			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
403	root	1.5	}
404	root	1.8	else
405			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
406			break;
407
408			case range_misc:
409			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
410			break;
411
412			/* range_scroll is only used for controlling golems. If the
413			* the player does not have a golem, reset some things.
414			*/
415			case range_golem:
416			if (pl->contr->ranges[range_golem] != NULL)
417			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
418			else
419			{
420			pl->contr->shoottype = range_none;
421			strcpy (obuf, "Range: nothing");
422			}
423			break;
424	root	1.2
425	root	1.8	case range_skill:
426			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
427			break;
428
429			case range_builder:
430			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
431			break;
432	elmex	1.1
433	root	1.8	default:
434			strcpy (obuf, "Range: illegal");
435	elmex	1.1	}
436			}
437
438			/**
439			* Sets player title.
440			*/
441	root	1.5	void
442			set_title (object pl, char buf)
443	elmex	1.1	{
444	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
445			if (pl->contr->own_title[0] == '\0')
446			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
447			else
448			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
449	elmex	1.1	}
450
451
452			/**
453			* Helper for magic map creation.
454			*
455			* Takes a player, the map_mark array and an x and y starting position.
456			* pl is the player.
457			* px, py are offsets from the player.
458			*
459			* This function examines all the adjacant spaces next to px, py.
460			* It updates the map_mark arrow with the color and high bits set
461			* for various code values.
462			*/
463	root	1.5	static void
464			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
465	elmex	1.1	{
466	root	1.5	int x, y, dx, dy, mflags;
467			sint16 nx, ny;
468	root	1.7	maptile *mp;
469	root	1.5	New_Face *f;
470
471			for (dx = -1; dx <= 1; dx++)
472			{
473			for (dy = -1; dy <= 1; dy++)
474			{
475			x = px + dx;
476			y = py + dy;
477
478			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
479			continue;
480
481			mp = pl->map;
482			nx = pl->x + x;
483			ny = pl->y + y;
484
485			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
486			if (mflags & P_OUT_OF_MAP)
487			continue;
488
489			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
490			{
491			f = GET_MAP_FACE (mp, nx, ny, 0);
492			if (f == blank_face)
493			f = GET_MAP_FACE (mp, nx, ny, 1);
494			if (f == blank_face)
495			f = GET_MAP_FACE (mp, nx, ny, 2);
496
497			/* Should probably have P_NO_MAGIC here also, but then shops don't
498			* work.
499			*/
500			if (mflags & P_BLOCKSVIEW)
501			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
502			else
503			{
504			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
505			magic_mapping_mark_recursive (pl, map_mark, x, y);
506	root	1.2	}
507			}
508			}
509	elmex	1.1	}
510			}
511
512
513			/**
514			* Creates magic map for player.
515			*
516			* Note: For improved magic mapping display, the space that blocks
517			* the view is now marked with value 2. Any dependencies of map_mark
518			* being nonzero have been changed to check for 1. Also, since
519			* map_mark is a char value, putting 2 in should cause no problems.
520			*
521			* This function examines the map the player is on, and determines what
522			* is visible. 2 is set for walls or objects that blocks view. 1
523			* is for open spaces. map_mark should already have been initialized
524			* to zero before this is called.
525			* strength is an initial strength*2 rectangular area that we automatically
526			* see in/penetrate through.
527			*/
528
529	root	1.5	void
530			magic_mapping_mark (object pl, char map_mark, int strength)
531	elmex	1.1	{
532	root	1.5	int x, y, mflags;
533			sint16 nx, ny;
534	root	1.7	maptile *mp;
535	root	1.5	New_Face *f;
536
537			for (x = -strength; x < strength; x++)
538			{
539			for (y = -strength; y < strength; y++)
540			{
541			mp = pl->map;
542			nx = pl->x + x;
543			ny = pl->y + y;
544			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
545			if (mflags & P_OUT_OF_MAP)
546			continue;
547			else
548			{
549			f = GET_MAP_FACE (mp, nx, ny, 0);
550			if (f == blank_face)
551			f = GET_MAP_FACE (mp, nx, ny, 1);
552			if (f == blank_face)
553			f = GET_MAP_FACE (mp, nx, ny, 2);
554	root	1.2	}
555
556	root	1.5	if (mflags & P_BLOCKSVIEW)
557			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
558			else
559			{
560			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
561			magic_mapping_mark_recursive (pl, map_mark, x, y);
562	root	1.2	}
563			}
564	elmex	1.1	}
565			}
566
567			/**
568			* Creates and sends magic map to player.
569			*
570			* The following function is a lot messier than it really should be,
571			* but there is no real easy solution.
572			*
573			* Mark Wedel
574			*/
575
576	root	1.5	void
577			draw_magic_map (object *pl)
578	elmex	1.1	{
579	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
580	root	1.5	int xmin, xmax, ymin, ymax;
581
582			if (pl->type != PLAYER)
583			{
584			LOG (llevError, "Non player object called draw_map.\n");
585			return;
586			}
587
588			/* First, we figure out what spaces are 'reachable' by the player */
589			magic_mapping_mark (pl, map_mark, 3);
590
591			/* We now go through and figure out what spaces have been
592			* marked, and thus figure out rectangular region we send
593			* to the client (eg, if only a 10x10 area is visible, we only
594			* want to send those 100 spaces.)
595			*/
596			xmin = MAGIC_MAP_SIZE;
597			ymin = MAGIC_MAP_SIZE;
598			xmax = 0;
599			ymax = 0;
600	root	1.13
601			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
602			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
603			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
604	root	1.5	{
605	root	1.13	xmin = x < xmin ? x : xmin;
606			xmax = x > xmax ? x : xmax;
607			ymin = y < ymin ? y : ymin;
608			ymax = y > ymax ? y : ymax;
609	root	1.2	}
610	elmex	1.1
611	root	1.15	packet sl;
612	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
613			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
614
615			for (int y = ymin; y <= ymax; y++)
616			for (int x = xmin; x <= xmax; x++)
617			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
618
619	root	1.23	pl->contr->ns->send_packet (sl);
620	root	1.5
621			free (map_mark);
622	elmex	1.1	}
623
624			/**
625			* Send a kill log record to sockets
626			*/
627	root	1.5	void
628			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
629			{
630			size_t len;
631			char buf[MAX_BUF];
632
633			if (With != NULL)
634	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
635	root	1.5	else
636	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
637
638	root	1.5	len = strlen (buf);
639	elmex	1.1	}
640	root	1.22