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
#	Content
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	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/
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	static void
47	esrv_print_msg (NewSocket * ns, int color, const char *str)
48	{
49	char buf[HUGE_BUF];
50
51	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	}
59
60	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
61	Write_String_To_Socket (ns, buf, strlen (buf));
62	}
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	static void
74	esrv_print_ext_msg (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message)
75	{
76	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	/* 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	static void
97	print_message (int colr, const object pl, const char tmp)
98	{
99
100	if (tmp == (char *) NULL)
101	{
102	tmp = "[NULL]";
103	}
104
105	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
106	return;
107
108	if (pl->type == PLAYER)
109	{
110	esrv_print_msg (&pl->contr->socket, colr, (char *) tmp);
111	return;
112	}
113	}
114
115
116	/**
117	* Prints out the contents of specified buffer structures,
118	* and clears the string.
119	*/
120
121	void
122	flush_output_element (const object pl, Output_Buf outputs)
123	{
124	char tbuf[MAX_BUF];
125
126	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
136	outputs->buf = NULL;
137	outputs->first_update = 0; /* This way, it will be reused */
138	}
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	static void
156	check_output_buffers (const object pl, const char buf)
157	{
158	int i, oldest = 0;
159
160	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	}
174	/* 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	}
182	}
183	/* 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	}
192	}
193	}
194
195
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	void
215	new_draw_info (int flags, int pri, const object pl, const char buf)
216	{
217
218	if (flags & NDI_ALL)
219	{
220	player *tmppl;
221	int i;
222
223	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
224	new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
225
226	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	}
234	}
235
236	return;
237	}
238	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
239	{
240	/* Write to the socket? */
241	print_message (0, NULL, buf);
242	return;
243	}
244	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	}
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	void
270	new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
271	{
272	char buf[HUGE_BUF];
273
274	va_list ap;
275
276	va_start (ap, format);
277
278	vsnprintf (buf, HUGE_BUF, format, ap);
279
280	va_end (ap);
281
282	new_draw_info (flags, pri, pl, buf);
283	}
284
285
286	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	}
308	}
309	else
310	{
311	esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
312	}
313	}
314
315	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	}
347	}
348
349	/**
350	* Writes to everyone on the map except op. This is useful for emotions.
351	*/
352
353	void
354	new_info_map_except (int color, mapstruct map, object op, const char *str)
355	{
356	player *pl;
357
358	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	}
364
365	/**
366	* Writes to everyone on the map except op1 and op2
367	*/
368
369	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	}
380
381	/**
382	* Writes to everyone on the specified map
383	*/
384
385	void
386	new_info_map (int color, mapstruct map, const char str)
387	{
388	player *pl;
389
390	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	}
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	void
404	clear_win_info (object *op)
405	{
406	}
407
408	/**
409	* Get player's current range attack in obuf.
410	*/
411	void
412	rangetostring (object pl, char obuf)
413	{
414	switch (pl->contr->shoottype)
415	{
416	case range_none:
417	strcpy (obuf, "Range: nothing");
418	break;
419
420	case range_bow:
421	{
422	object *op;
423
424	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
434	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	}
447	else
448	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
449	break;
450
451	case range_misc:
452	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
453	break;
454
455	/* range_scroll is only used for controlling golems. If the
456	* the player does not have a golem, reset some things.
457	*/
458	case range_golem:
459	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	}
466	break;
467
468	case range_skill:
469	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
470	break;
471
472	case range_builder:
473	sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
474	break;
475
476	default:
477	strcpy (obuf, "Range: illegal");
478	}
479	}
480
481	/**
482	* Sets player title.
483	*/
484	void
485	set_title (object pl, char buf)
486	{
487	/* 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	}
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	static void
507	magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
508	{
509	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	}
550	}
551	}
552	}
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	void
573	magic_mapping_mark (object pl, char map_mark, int strength)
574	{
575	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	}
598
599	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	}
606	}
607	}
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	void
621	draw_magic_map (object *pl)
622	{
623	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	}
657	}
658	}
659
660	sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
661	snprintf ((char *) sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
662	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
663	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	}
677
678
679	/**
680	* Send a kill log record to sockets
681	*/
682
683	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	}
705	}
706	}