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)
    {
      for_all_players (pl)
        new_draw_info (flags & ~NDI_ALL, pri, pl->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_all_players (pl)
    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_all_players (pl)
    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_all_players (pl)
    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 + pl->map->width * 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:	1.27
Committed:	Tue Dec 26 17:11:40 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.26:	+2 -4 lines
Log Message:	reformat
#	Content
1
2	/*
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	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/
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	static void
48	esrv_print_msg (client ns, int color, const char str)
49	{
50	ns->send_packet_printf ("drawinfo %d %s", color, str);
51	}
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	static void
63	esrv_print_ext_msg (client ns, int color, uint8 type, uint8 subtype, const char message)
64	{
65	ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
66	}
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	static void
79	print_message (int colr, const object pl, const char tmp)
80	{
81	if (!tmp)
82	tmp = "[NULL]";
83
84	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
85	return;
86
87	if (pl->type == PLAYER)
88	esrv_print_msg (pl->contr->ns, colr, (char *) tmp);
89	}
90
91	/**
92	* Prints out the contents of specified buffer structures,
93	* and clears the string.
94	*/
95	void
96	flush_output_element (const object pl, Output_Buf outputs)
97	{
98	char tbuf[MAX_BUF];
99
100	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
110	outputs->buf = NULL;
111	outputs->first_update = 0; /* This way, it will be reused */
112	}
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	static void
129	check_output_buffers (const object pl, const char buf)
130	{
131	int i, oldest = 0;
132
133	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	}
147	/* 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	}
155	}
156	/* 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	}
165	}
166	}
167
168	/**
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	void
186	new_draw_info (int flags, int pri, const object pl, const char buf)
187	{
188	if (flags & NDI_ALL)
189	{
190	for_all_players (pl)
191	new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf);
192
193	return;
194	}
195
196	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
197	{
198	/* Write to the socket? */
199	print_message (0, NULL, buf);
200	return;
201	}
202
203	if (pl->type != PLAYER)
204	return;
205
206	if (pri >= pl->contr->listening)
207	return;
208
209	if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
210	/* following prints stuff out, as appropriate */
211	check_output_buffers (pl, buf);
212	else
213	print_message (flags & NDI_COLOR_MASK, pl, buf);
214	}
215
216	/**
217	* Wrapper for new_draw_info printf-like.
218	*
219	* This is a pretty trivial function, but it allows us to use printf style
220	* formatting, so instead of the calling function having to do it, we do
221	* it here. It may also have advantages in the future for reduction of
222	* client/server bandwidth (client could keep track of various strings
223	*/
224	void
225	new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
226	{
227	char buf[HUGE_BUF];
228
229	va_list ap;
230
231	va_start (ap, format);
232
233	vsnprintf (buf, HUGE_BUF, format, ap);
234
235	va_end (ap);
236
237	new_draw_info (flags, pri, pl, buf);
238	}
239
240	void
241	draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
242	{
243
244	if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
245	return;
246
247	if (pri >= pl->contr->listening)
248	return;
249
250	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
251	{
252	char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
253
254	if (buf == NULL)
255	LOG (llevError, "info::draw_ext_info -> Out of memory!");
256	else
257	{
258	strcpy (buf, oldmessage == NULL ? message : oldmessage);
259	strip_media_tag (buf);
260	new_draw_info (flags, pri, pl, buf);
261	free (buf);
262	}
263	}
264	else
265	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message);
266	}
267
268	void
269	draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
270	{
271
272	char buf[HUGE_BUF];
273
274	if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
275	return;
276
277	if (pri >= pl->contr->listening)
278	return;
279
280	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
281	{
282	va_list ap;
283
284	LOG (llevDebug, "Non supported extension text type for client.\n");
285	va_start (ap, new_format);
286	vsnprintf (buf, HUGE_BUF, old_format, ap);
287	va_end (ap);
288	new_draw_info (flags, pri, pl, buf);
289	return;
290	}
291	else
292	{
293	va_list ap;
294
295	va_start (ap, new_format);
296	vsnprintf (buf, HUGE_BUF, new_format, ap);
297	va_end (ap);
298	strip_media_tag (buf);
299	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf);
300	}
301	}
302
303	/**
304	* Writes to everyone on the map except op. This is useful for emotions.
305	*/
306
307	void
308	new_info_map_except (int color, maptile * map, object op, const char str)
309	{
310	player *pl;
311
312	for_all_players (pl)
313	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
314	{
315	new_draw_info (color, 0, pl->ob, str);
316	}
317	}
318
319	/**
320	* Writes to everyone on the map except op1 and op2
321	*/
322
323	void
324	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
325	{
326	player *pl;
327
328	for_all_players (pl)
329	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
330	{
331	new_draw_info (color, 0, pl->ob, str);
332	}
333	}
334
335	/**
336	* Writes to everyone on the specified map
337	*/
338
339	void
340	new_info_map (int color, maptile * map, const char *str)
341	{
342	player *pl;
343
344	for_all_players (pl)
345	if (pl->ob != NULL && pl->ob->map == map)
346	{
347	new_draw_info (color, 0, pl->ob, str);
348	}
349	}
350
351
352	/**
353	* This does nothing now. However, in theory, we should probably send
354	* something to the client and let the client figure out how it might want
355	* to handle this
356	*/
357	void
358	clear_win_info (object *op)
359	{
360	}
361
362	/**
363	* Get player's current range attack in obuf.
364	*/
365	void
366	rangetostring (object pl, char obuf)
367	{
368	switch (pl->contr->shoottype)
369	{
370	case range_none:
371	strcpy (obuf, "Range: nothing");
372	break;
373
374	case range_bow:
375	{
376	object *op;
377
378	for (op = pl->inv; op; op = op->below)
379	if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
380	break;
381
382	if (op == NULL)
383	break;
384
385	sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
386	}
387	break;
388
389	case range_magic:
390	if (settings.casting_time == TRUE)
391	{
392	if (pl->casting_time > -1)
393	{
394	if (pl->casting_time == 0)
395	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
396	else
397	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
398	}
399	else
400	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
401	}
402	else
403	sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
404	break;
405
406	case range_misc:
407	sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
408	break;
409
410	/* range_scroll is only used for controlling golems. If the
411	* the player does not have a golem, reset some things.
412	*/
413	case range_golem:
414	if (pl->contr->ranges[range_golem] != NULL)
415	sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
416	else
417	{
418	pl->contr->shoottype = range_none;
419	strcpy (obuf, "Range: nothing");
420	}
421	break;
422
423	case range_skill:
424	sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
425	break;
426
427	case range_builder:
428	sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
429	break;
430
431	default:
432	strcpy (obuf, "Range: illegal");
433	}
434	}
435
436	/**
437	* Sets player title.
438	*/
439	void
440	set_title (object pl, char buf)
441	{
442	/* Eneq(@csd.uu.se): Let players define their own titles. */
443	if (pl->contr->own_title[0] == '\0')
444	sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
445	else
446	sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
447	}
448
449
450	/**
451	* Helper for magic map creation.
452	*
453	* Takes a player, the map_mark array and an x and y starting position.
454	* pl is the player.
455	* px, py are offsets from the player.
456	*
457	* This function examines all the adjacant spaces next to px, py.
458	* It updates the map_mark arrow with the color and high bits set
459	* for various code values.
460	*/
461	static void
462	magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
463	{
464	int x, y, dx, dy, mflags;
465	sint16 nx, ny;
466	maptile *mp;
467	New_Face *f;
468
469	for (dx = -1; dx <= 1; dx++)
470	{
471	for (dy = -1; dy <= 1; dy++)
472	{
473	x = px + dx;
474	y = py + dy;
475
476	if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
477	continue;
478
479	mp = pl->map;
480	nx = pl->x + x;
481	ny = pl->y + y;
482
483	mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
484	if (mflags & P_OUT_OF_MAP)
485	continue;
486
487	if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
488	{
489	f = GET_MAP_FACE (mp, nx, ny, 0);
490	if (f == blank_face)
491	f = GET_MAP_FACE (mp, nx, ny, 1);
492	if (f == blank_face)
493	f = GET_MAP_FACE (mp, nx, ny, 2);
494
495	/* Should probably have P_NO_MAGIC here also, but then shops don't
496	* work.
497	*/
498	if (mflags & P_BLOCKSVIEW)
499	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
500	else
501	{
502	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
503	magic_mapping_mark_recursive (pl, map_mark, x, y);
504	}
505	}
506	}
507	}
508	}
509
510
511	/**
512	* Creates magic map for player.
513	*
514	* Note: For improved magic mapping display, the space that blocks
515	* the view is now marked with value 2. Any dependencies of map_mark
516	* being nonzero have been changed to check for 1. Also, since
517	* map_mark is a char value, putting 2 in should cause no problems.
518	*
519	* This function examines the map the player is on, and determines what
520	* is visible. 2 is set for walls or objects that blocks view. 1
521	* is for open spaces. map_mark should already have been initialized
522	* to zero before this is called.
523	* strength is an initial strength*2 rectangular area that we automatically
524	* see in/penetrate through.
525	*/
526
527	void
528	magic_mapping_mark (object pl, char map_mark, int strength)
529	{
530	int x, y, mflags;
531	sint16 nx, ny;
532	maptile *mp;
533	New_Face *f;
534
535	for (x = -strength; x < strength; x++)
536	{
537	for (y = -strength; y < strength; y++)
538	{
539	mp = pl->map;
540	nx = pl->x + x;
541	ny = pl->y + y;
542	mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
543	if (mflags & P_OUT_OF_MAP)
544	continue;
545	else
546	{
547	f = GET_MAP_FACE (mp, nx, ny, 0);
548	if (f == blank_face)
549	f = GET_MAP_FACE (mp, nx, ny, 1);
550	if (f == blank_face)
551	f = GET_MAP_FACE (mp, nx, ny, 2);
552	}
553
554	if (mflags & P_BLOCKSVIEW)
555	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
556	else
557	{
558	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
559	magic_mapping_mark_recursive (pl, map_mark, x, y);
560	}
561	}
562	}
563	}
564
565	/**
566	* Creates and sends magic map to player.
567	*
568	* The following function is a lot messier than it really should be,
569	* but there is no real easy solution.
570	*
571	* Mark Wedel
572	*/
573
574	void
575	draw_magic_map (object *pl)
576	{
577	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
578	int xmin, xmax, ymin, ymax;
579
580	if (pl->type != PLAYER)
581	{
582	LOG (llevError, "Non player object called draw_map.\n");
583	return;
584	}
585
586	/* First, we figure out what spaces are 'reachable' by the player */
587	magic_mapping_mark (pl, map_mark, 3);
588
589	/* We now go through and figure out what spaces have been
590	* marked, and thus figure out rectangular region we send
591	* to the client (eg, if only a 10x10 area is visible, we only
592	* want to send those 100 spaces.)
593	*/
594	xmin = MAGIC_MAP_SIZE;
595	ymin = MAGIC_MAP_SIZE;
596	xmax = 0;
597	ymax = 0;
598
599	for (int x = 0; x < MAGIC_MAP_SIZE; x++)
600	for (int y = 0; y < MAGIC_MAP_SIZE; y++)
601	if (map_mark[x + pl->map->width * y] \| FACE_FLOOR)
602	{
603	xmin = x < xmin ? x : xmin;
604	xmax = x > xmax ? x : xmax;
605	ymin = y < ymin ? y : ymin;
606	ymax = y > ymax ? y : ymax;
607	}
608
609	packet sl;
610	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
611	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
612
613	for (int y = ymin; y <= ymax; y++)
614	for (int x = xmin; x <= xmax; x++)
615	sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
616
617	pl->contr->ns->send_packet (sl);
618
619	free (map_mark);
620	}
621
622	/**
623	* Send a kill log record to sockets
624	*/
625	void
626	Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
627	{
628	size_t len;
629	char buf[MAX_BUF];
630
631	if (With != NULL)
632	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
633	else
634	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
635
636	len = strlen (buf);
637	}
638