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)
{
  char buf[HUGE_BUF];

  if (ns->status == Ns_Old)
    {
      snprintf (buf, HUGE_BUF, "%s\n", str);
    }
  else
    {
      snprintf (buf, HUGE_BUF, "drawinfo %d %s", color, str);
    }

/*    LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
  Write_String_To_Socket (ns, buf, strlen (buf));
}

/**
 * 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)
{
  char buf[HUGE_BUF];

  snprintf (buf, HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
  Write_String_To_Socket (ns, buf, strlen (buf));

/*    LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/

}

/**
 * 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 == (char *) NULL)
    {
      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;
      int i;

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

      for (i = 1; i < socket_info.allocated_sockets; i++)
        {
          if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri < 10)
            {
              cs_write_string (&init_sockets[i], buf, strlen (buf));
              /* Most messages don't have a newline, so add one */
              cs_write_string (&init_sockets[i], "\n", 1);
            }
        }

      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, mapstruct *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, mapstruct *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, mapstruct *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)", (const char *) pl->spell->name);
                  else
                    sprintf (obuf, "Range: Casting spell (%s)", (const char *) 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;
  mapstruct *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;
  mapstruct *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)
{
  int x, y;
  char *map_mark = (char *) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
  int xmin, xmax, ymin, ymax;
  SockList sl;

  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 (x = 0; x < MAGIC_MAP_SIZE; x++)
    {
      for (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;
            }
        }
    }

  sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
  snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
            MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
  sl.len = strlen ((char *) sl.buf);

  for (y = ymin; y <= ymax; y++)
    {
      for (x = xmin; x <= xmax; x++)
        {
          sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
        }                       /* x loop */
    }                           /* y loop */

  Send_With_Handling (&pl->contr->socket, &sl);
  free (sl.buf);
  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)
{
  int i;
  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);
  for (i = 1; i < socket_info.allocated_sockets; i++)
    {
      if (init_sockets[i].old_mode == Old_Listen)
        {
          cs_write_string (&init_sockets[i], buf, len);
        }
    }
}
Revision:	1.6
Committed:	Thu Sep 14 22:34:05 2006 UTC (17 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+1 -7 lines
Log Message:	indent
#	User	Rev	Content
1	elmex	1.1	/*
2			CrossFire, A Multiplayer game for X-windows
3
4			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
5			Copyright (C) 1992 Frank Tore Johansen
6
7			This program is free software; you can redistribute it and/or modify
8			it under the terms of the GNU General Public License as published by
9			the Free Software Foundation; either version 2 of the License, or
10			(at your option) any later version.
11
12			This program is distributed in the hope that it will be useful,
13			but WITHOUT ANY WARRANTY; without even the implied warranty of
14			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			GNU General Public License for more details.
16
17			You should have received a copy of the GNU General Public License
18			along with this program; if not, write to the Free Software
19			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21	root	1.6	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	elmex	1.1	*/
23
24			/**
25			* \file
26			* Basic client output functions.
27			*
28			* \date 2003-12-02
29			*
30			* This file implements some of the simpler output functions to the
31			* client. Basically, things like sending text strings along
32			*/
33
34			#include <global.h>
35			#include <sproto.h>
36			#include <stdarg.h>
37			#include <spells.h>
38			#include <skills.h>
39
40			/**
41			* Draws a normal message on the client. It is pretty
42			* much the same thing as the draw_info above, but takes a color
43			* parameter. the esrv_drawinfo functions should probably be
44			* replaced with this, just using black as the color.
45			*/
46	root	1.5	static void
47			esrv_print_msg (NewSocket * ns, int color, const char *str)
48	elmex	1.1	{
49	root	1.5	char buf[HUGE_BUF];
50	elmex	1.1
51	root	1.5	if (ns->status == Ns_Old)
52			{
53			snprintf (buf, HUGE_BUF, "%s\n", str);
54			}
55			else
56			{
57			snprintf (buf, HUGE_BUF, "drawinfo %d %s", color, str);
58	elmex	1.1	}
59	root	1.5
60	elmex	1.1	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
61	root	1.5	Write_String_To_Socket (ns, buf, strlen (buf));
62	elmex	1.1	}
63
64			/**
65			* Draws an extended message on the client.
66			* ns the socket to send message to
67			* color color informations (used mainly if client does not support message type)
68			* type,
69			* subtype type and subtype of text message
70			* intro Intro message to send with main message if client does not support the message type
71			* message The main message
72			*/
73	root	1.5	static void
74			esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
75	elmex	1.1	{
76	root	1.5	char buf[HUGE_BUF];
77
78			snprintf (buf, HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
79			Write_String_To_Socket (ns, buf, strlen (buf));
80
81	elmex	1.1	/* LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/
82
83			}
84
85			/**
86			* Frontend for esrv_print_msg
87			* \param colr message color
88			* \param pl player to send to. Can be NULL
89			* \param tmp message to send. Can be NULL
90			*
91			* If pl is NULL or without contr set, writes message to log.
92			*
93			* Else sends message to player via esrv_print_msg
94			*/
95
96	root	1.5	static void
97			print_message (int colr, const object pl, const char tmp)
98			{
99	elmex	1.1
100	root	1.5	if (tmp == (char *) NULL)
101			{
102			tmp = "[NULL]";
103			}
104	elmex	1.1
105			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
106			return;
107
108	root	1.5	if (pl->type == PLAYER)
109			{
110			esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
111			return;
112			}
113	elmex	1.1	}
114
115
116			/**
117			* Prints out the contents of specified buffer structures,
118			* and clears the string.
119			*/
120
121	root	1.5	void
122			flush_output_element (const object pl, Output_Buf outputs)
123	elmex	1.1	{
124	root	1.5	char tbuf[MAX_BUF];
125	elmex	1.1
126	root	1.5	if (outputs->buf == NULL)
127			return;
128			if (outputs->count > 1)
129			{
130			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
131			print_message (NDI_BLACK, pl, tbuf);
132			}
133			else
134			print_message (NDI_BLACK, pl, &outputs->buf);
135	elmex	1.1
136	root	1.5	outputs->buf = NULL;
137			outputs->first_update = 0; /* This way, it will be reused */
138	elmex	1.1	}
139
140			/**
141			* Sends message to player through output buffers.
142			* \param pl player to send message
143			* \param buf message to send
144			*
145			* If player's output_count is 1, sends message directly.
146			*
147			* Else checks output buffers for specified message.
148			*
149			* If found, checks if message should be sent now.
150			*
151			* If message not already in buffers, flushes olders buffer,
152			* and adds message to queue.
153			*/
154
155	root	1.5	static void
156			check_output_buffers (const object pl, const char buf)
157	elmex	1.1	{
158	root	1.5	int i, oldest = 0;
159	elmex	1.1
160	root	1.5	if (pl->contr->outputs_count < 2)
161			{
162			print_message (NDI_BLACK, pl, buf);
163			return;
164			}
165			else
166			{
167			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
168			{
169			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
170			break;
171			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
172			oldest = i;
173	root	1.2	}
174	root	1.5	/* We found a match */
175			if (i < NUM_OUTPUT_BUFS)
176			{
177			pl->contr->outputs[i].count++;
178			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
179			{
180			flush_output_element (pl, &pl->contr->outputs[i]);
181	root	1.2	}
182			}
183	root	1.5	/* No match - flush the oldest, and put the new one in */
184			else
185			{
186			flush_output_element (pl, &pl->contr->outputs[oldest]);
187
188			pl->contr->outputs[oldest].first_update = pticks;
189			pl->contr->outputs[oldest].count = 1;
190			pl->contr->outputs[oldest].buf = buf;
191	root	1.2	}
192	elmex	1.1	}
193			}
194	root	1.5
195	elmex	1.1
196
197			/**
198			* Sends message to player(s).
199			*
200			* flags is various flags - mostly color, plus a few specials.
201			*
202			* pri is priority. It is a little odd - the lower the value, the more
203			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
204			* value must be less than the listening level that the player has set.
205			* Unfortunately, there is no clear guideline on what each level does what.
206			*
207			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
208			* in the flags.
209			*
210			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
211			*
212			*/
213
214	root	1.5	void
215			new_draw_info (int flags, int pri, const object pl, const char buf)
216	elmex	1.1	{
217
218	root	1.5	if (flags & NDI_ALL)
219			{
220			player *tmppl;
221			int i;
222	elmex	1.1
223	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
224			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
225	elmex	1.1
226	root	1.5	for (i = 1; i < socket_info.allocated_sockets; i++)
227			{
228			if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri < 10)
229			{
230			cs_write_string (&init_sockets[i], buf, strlen (buf));
231			/* Most messages don't have a newline, so add one */
232			cs_write_string (&init_sockets[i], "\n", 1);
233	root	1.2	}
234			}
235	elmex	1.1
236	root	1.5	return;
237	elmex	1.1	}
238	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
239			{
240			/* Write to the socket? */
241			print_message (0, NULL, buf);
242			return;
243	elmex	1.1	}
244	root	1.5	if (pl->type != PLAYER)
245			return;
246			if (pri >= pl->contr->listening)
247			return;
248
249			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
250			{
251			/* following prints stuff out, as appropriate */
252			check_output_buffers (pl, buf);
253			}
254			else
255			{
256			print_message (flags & NDI_COLOR_MASK, pl, buf);
257	elmex	1.1	}
258			}
259
260			/**
261			* Wrapper for new_draw_info printf-like.
262			*
263			* This is a pretty trivial function, but it allows us to use printf style
264			* formatting, so instead of the calling function having to do it, we do
265			* it here. It may also have advantages in the future for reduction of
266			* client/server bandwidth (client could keep track of various strings
267			*/
268
269	root	1.5	void
270			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
271	elmex	1.1	{
272	root	1.5	char buf[HUGE_BUF];
273
274			va_list ap;
275
276			va_start (ap, format);
277	elmex	1.1
278	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
279	elmex	1.1
280	root	1.5	va_end (ap);
281	elmex	1.1
282	root	1.5	new_draw_info (flags, pri, pl, buf);
283	elmex	1.1	}
284
285
286	root	1.5	void
287			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
288			{
289
290			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
291			return;
292
293			if (pri >= pl->contr->listening)
294			return;
295			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
296			{
297			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
298
299			if (buf == NULL)
300			LOG (llevError, "info::draw_ext_info -> Out of memory!");
301			else
302			{
303			strcpy (buf, oldmessage == NULL ? message : oldmessage);
304			strip_media_tag (buf);
305			new_draw_info (flags, pri, pl, buf);
306			free (buf);
307	elmex	1.1	}
308	root	1.5	}
309			else
310			{
311			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
312	elmex	1.1	}
313			}
314
315	root	1.5	void
316			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
317			{
318
319			char buf[HUGE_BUF];
320
321			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
322			return;
323
324			if (pri >= pl->contr->listening)
325			return;
326			if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type))
327			{
328			va_list ap;
329
330			LOG (llevDebug, "Non supported extension text type for client.\n");
331			va_start (ap, new_format);
332			vsnprintf (buf, HUGE_BUF, old_format, ap);
333			va_end (ap);
334			new_draw_info (flags, pri, pl, buf);
335			return;
336			}
337			else
338			{
339			va_list ap;
340
341			va_start (ap, new_format);
342			vsnprintf (buf, HUGE_BUF, new_format, ap);
343			va_end (ap);
344			strip_media_tag (buf);
345			esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
346	elmex	1.1	}
347			}
348	root	1.5
349	elmex	1.1	/**
350			* Writes to everyone on the map except op. This is useful for emotions.
351			*/
352
353	root	1.5	void
354			new_info_map_except (int color, mapstruct map, object op, const char *str)
355			{
356			player *pl;
357	elmex	1.1
358	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
359			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
360			{
361			new_draw_info (color, 0, pl->ob, str);
362			}
363	elmex	1.1	}
364
365			/**
366			* Writes to everyone on the map except op1 and op2
367			*/
368
369	root	1.5	void
370			new_info_map_except2 (int color, mapstruct map, object op1, object op2, const char str)
371			{
372			player *pl;
373
374			for (pl = first_player; pl != NULL; pl = pl->next)
375			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
376			{
377			new_draw_info (color, 0, pl->ob, str);
378			}
379	elmex	1.1	}
380
381			/**
382			* Writes to everyone on the specified map
383			*/
384
385	root	1.5	void
386			new_info_map (int color, mapstruct map, const char str)
387			{
388			player *pl;
389	elmex	1.1
390	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
391			if (pl->ob != NULL && pl->ob->map == map)
392			{
393			new_draw_info (color, 0, pl->ob, str);
394			}
395	elmex	1.1	}
396
397
398			/**
399			* This does nothing now. However, in theory, we should probably send
400			* something to the client and let the client figure out how it might want
401			* to handle this
402			*/
403	root	1.5	void
404			clear_win_info (object *op)
405	elmex	1.1	{
406			}
407
408			/**
409			* Get player's current range attack in obuf.
410			*/
411	root	1.5	void
412			rangetostring (object pl, char obuf)
413	elmex	1.1	{
414	root	1.5	switch (pl->contr->shoottype)
415			{
416	root	1.2	case range_none:
417	root	1.5	strcpy (obuf, "Range: nothing");
418			break;
419	root	1.2
420			case range_bow:
421	root	1.5	{
422	root	1.2	object *op;
423
424	root	1.5	for (op = pl->inv; op; op = op->below)
425			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
426			break;
427			if (op == NULL)
428			break;
429
430			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
431			}
432			break;
433	root	1.2
434	root	1.5	case range_magic:
435			if (settings.casting_time == TRUE)
436			{
437			if (pl->casting_time > -1)
438			{
439			if (pl->casting_time == 0)
440			sprintf (obuf, "Range: Holding spell (%s)", (const char *) pl->spell->name);
441			else
442			sprintf (obuf, "Range: Casting spell (%s)", (const char *) pl->spell->name);
443			}
444			else
445			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
446	root	1.2	}
447	root	1.5	else
448			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
449			break;
450	root	1.2
451			case range_misc:
452	root	1.5	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
453			break;
454	root	1.2
455	root	1.5	/* range_scroll is only used for controlling golems. If the
456			* the player does not have a golem, reset some things.
457			*/
458	root	1.2	case range_golem:
459	root	1.5	if (pl->contr->ranges[range_golem] != NULL)
460			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
461			else
462			{
463			pl->contr->shoottype = range_none;
464			strcpy (obuf, "Range: nothing");
465	root	1.2	}
466	root	1.5	break;
467	root	1.2
468			case range_skill:
469	root	1.5	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
470			break;
471	elmex	1.1
472	root	1.5	case range_builder:
473			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
474			break;
475	elmex	1.1
476	root	1.2	default:
477	root	1.5	strcpy (obuf, "Range: illegal");
478	elmex	1.1	}
479			}
480
481			/**
482			* Sets player title.
483			*/
484	root	1.5	void
485			set_title (object pl, char buf)
486	elmex	1.1	{
487	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
488			if (pl->contr->own_title[0] == '\0')
489			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
490			else
491			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
492	elmex	1.1	}
493
494
495			/**
496			* Helper for magic map creation.
497			*
498			* Takes a player, the map_mark array and an x and y starting position.
499			* pl is the player.
500			* px, py are offsets from the player.
501			*
502			* This function examines all the adjacant spaces next to px, py.
503			* It updates the map_mark arrow with the color and high bits set
504			* for various code values.
505			*/
506	root	1.5	static void
507			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
508	elmex	1.1	{
509	root	1.5	int x, y, dx, dy, mflags;
510			sint16 nx, ny;
511			mapstruct *mp;
512			New_Face *f;
513
514			for (dx = -1; dx <= 1; dx++)
515			{
516			for (dy = -1; dy <= 1; dy++)
517			{
518			x = px + dx;
519			y = py + dy;
520
521			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
522			continue;
523
524			mp = pl->map;
525			nx = pl->x + x;
526			ny = pl->y + y;
527
528			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
529			if (mflags & P_OUT_OF_MAP)
530			continue;
531
532			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
533			{
534			f = GET_MAP_FACE (mp, nx, ny, 0);
535			if (f == blank_face)
536			f = GET_MAP_FACE (mp, nx, ny, 1);
537			if (f == blank_face)
538			f = GET_MAP_FACE (mp, nx, ny, 2);
539
540			/* Should probably have P_NO_MAGIC here also, but then shops don't
541			* work.
542			*/
543			if (mflags & P_BLOCKSVIEW)
544			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
545			else
546			{
547			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
548			magic_mapping_mark_recursive (pl, map_mark, x, y);
549	root	1.2	}
550			}
551			}
552	elmex	1.1	}
553			}
554
555
556			/**
557			* Creates magic map for player.
558			*
559			* Note: For improved magic mapping display, the space that blocks
560			* the view is now marked with value 2. Any dependencies of map_mark
561			* being nonzero have been changed to check for 1. Also, since
562			* map_mark is a char value, putting 2 in should cause no problems.
563			*
564			* This function examines the map the player is on, and determines what
565			* is visible. 2 is set for walls or objects that blocks view. 1
566			* is for open spaces. map_mark should already have been initialized
567			* to zero before this is called.
568			* strength is an initial strength*2 rectangular area that we automatically
569			* see in/penetrate through.
570			*/
571
572	root	1.5	void
573			magic_mapping_mark (object pl, char map_mark, int strength)
574	elmex	1.1	{
575	root	1.5	int x, y, mflags;
576			sint16 nx, ny;
577			mapstruct *mp;
578			New_Face *f;
579
580			for (x = -strength; x < strength; x++)
581			{
582			for (y = -strength; y < strength; y++)
583			{
584			mp = pl->map;
585			nx = pl->x + x;
586			ny = pl->y + y;
587			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
588			if (mflags & P_OUT_OF_MAP)
589			continue;
590			else
591			{
592			f = GET_MAP_FACE (mp, nx, ny, 0);
593			if (f == blank_face)
594			f = GET_MAP_FACE (mp, nx, ny, 1);
595			if (f == blank_face)
596			f = GET_MAP_FACE (mp, nx, ny, 2);
597	root	1.2	}
598
599	root	1.5	if (mflags & P_BLOCKSVIEW)
600			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
601			else
602			{
603			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
604			magic_mapping_mark_recursive (pl, map_mark, x, y);
605	root	1.2	}
606			}
607	elmex	1.1	}
608			}
609
610
611			/**
612			* Creates and sends magic map to player.
613			*
614			* The following function is a lot messier than it really should be,
615			* but there is no real easy solution.
616			*
617			* Mark Wedel
618			*/
619
620	root	1.5	void
621			draw_magic_map (object *pl)
622	elmex	1.1	{
623	root	1.5	int x, y;
624			char map_mark = (char ) calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
625			int xmin, xmax, ymin, ymax;
626			SockList sl;
627
628			if (pl->type != PLAYER)
629			{
630			LOG (llevError, "Non player object called draw_map.\n");
631			return;
632			}
633
634			/* First, we figure out what spaces are 'reachable' by the player */
635			magic_mapping_mark (pl, map_mark, 3);
636
637			/* We now go through and figure out what spaces have been
638			* marked, and thus figure out rectangular region we send
639			* to the client (eg, if only a 10x10 area is visible, we only
640			* want to send those 100 spaces.)
641			*/
642			xmin = MAGIC_MAP_SIZE;
643			ymin = MAGIC_MAP_SIZE;
644			xmax = 0;
645			ymax = 0;
646			for (x = 0; x < MAGIC_MAP_SIZE; x++)
647			{
648			for (y = 0; y < MAGIC_MAP_SIZE; y++)
649			{
650			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
651			{
652			xmin = x < xmin ? x : xmin;
653			xmax = x > xmax ? x : xmax;
654			ymin = y < ymin ? y : ymin;
655			ymax = y > ymax ? y : ymax;
656	root	1.2	}
657			}
658	elmex	1.1	}
659
660	root	1.5	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
661			snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
662	root	1.2	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
663	root	1.5	sl.len = strlen ((char *) sl.buf);
664
665			for (y = ymin; y <= ymax; y++)
666			{
667			for (x = xmin; x <= xmax; x++)
668			{
669			sl.buf[sl.len++] = map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR;
670			} /* x loop */
671			} /* y loop */
672
673			Send_With_Handling (&pl->contr->socket, &sl);
674			free (sl.buf);
675			free (map_mark);
676	elmex	1.1	}
677
678
679			/**
680			* Send a kill log record to sockets
681			*/
682
683	root	1.5	void
684			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
685			{
686			int i;
687			size_t len;
688			char buf[MAX_BUF];
689
690			if (With != NULL)
691			{
692			snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
693			}
694			else
695			{
696			snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
697			}
698			len = strlen (buf);
699			for (i = 1; i < socket_info.allocated_sockets; i++)
700			{
701			if (init_sockets[i].old_mode == Old_Listen)
702			{
703			cs_write_string (&init_sockets[i], buf, len);
704	root	1.2	}
705	elmex	1.1	}
706			}