server/socket/info.C

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
    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 || !pl->contr->ns)
    return;

  if (pri >= pl->contr->listening)
    return;

  if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
    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 initialised
 * 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:	1.30
Committed:	Sat Jan 6 14:42:31 2007 UTC (17 years, 4 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.29:	+1 -1 lines
Log Message:	added some copyrights
#	User	Rev	Content
1	elmex	1.1	/*
2			CrossFire, A Multiplayer game for X-windows
3
4	pippijn	1.30	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5	elmex	1.1	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6			Copyright (C) 1992 Frank Tore Johansen
7
8			This program is free software; you can redistribute it and/or modify
9			it under the terms of the GNU General Public License as published by
10			the Free Software Foundation; either version 2 of the License, or
11			(at your option) any later version.
12
13			This program is distributed in the hope that it will be useful,
14			but WITHOUT ANY WARRANTY; without even the implied warranty of
15			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			GNU General Public License for more details.
17
18			You should have received a copy of the GNU General Public License
19			along with this program; if not, write to the Free Software
20			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21
22	root	1.6	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	elmex	1.1	*/
24
25			/**
26			* \file
27			* Basic client output functions.
28			*
29			* \date 2003-12-02
30			*
31			* This file implements some of the simpler output functions to the
32			* client. Basically, things like sending text strings along
33			*/
34
35			#include <global.h>
36			#include <sproto.h>
37			#include <stdarg.h>
38			#include <spells.h>
39			#include <skills.h>
40
41			/**
42			* Draws a normal message on the client. It is pretty
43			* much the same thing as the draw_info above, but takes a color
44			* parameter. the esrv_drawinfo functions should probably be
45			* replaced with this, just using black as the color.
46			*/
47	root	1.5	static void
48	root	1.22	esrv_print_msg (client ns, int color, const char str)
49	elmex	1.1	{
50	root	1.21	ns->send_packet_printf ("drawinfo %d %s", color, str);
51	elmex	1.1	}
52
53			/**
54			* Draws an extended message on the client.
55			* ns the socket to send message to
56			* color color informations (used mainly if client does not support message type)
57			* type,
58			* subtype type and subtype of text message
59			* intro Intro message to send with main message if client does not support the message type
60			* message The main message
61			*/
62	root	1.5	static void
63	root	1.22	esrv_print_ext_msg (client ns, int color, uint8 type, uint8 subtype, const char message)
64	elmex	1.1	{
65	root	1.21	ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
66	elmex	1.1	}
67
68			/**
69			* Frontend for esrv_print_msg
70			* \param colr message color
71			* \param pl player to send to. Can be NULL
72			* \param tmp message to send. Can be NULL
73			*
74			* If pl is NULL or without contr set, writes message to log.
75			*
76			* Else sends message to player via esrv_print_msg
77			*/
78	root	1.5	static void
79			print_message (int colr, const object pl, const char tmp)
80			{
81	root	1.11	if (!tmp)
82			tmp = "[NULL]";
83	elmex	1.1
84			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
85			return;
86
87	root	1.5	if (pl->type == PLAYER)
88	root	1.23	esrv_print_msg (pl->contr->ns, colr, (char *) tmp);
89	elmex	1.1	}
90
91			/**
92			* Prints out the contents of specified buffer structures,
93			* and clears the string.
94			*/
95	root	1.5	void
96			flush_output_element (const object pl, Output_Buf outputs)
97	elmex	1.1	{
98	root	1.5	char tbuf[MAX_BUF];
99	elmex	1.1
100	root	1.5	if (outputs->buf == NULL)
101			return;
102			if (outputs->count > 1)
103			{
104			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
105			print_message (NDI_BLACK, pl, tbuf);
106			}
107			else
108			print_message (NDI_BLACK, pl, &outputs->buf);
109	elmex	1.1
110	root	1.5	outputs->buf = NULL;
111			outputs->first_update = 0; /* This way, it will be reused */
112	elmex	1.1	}
113
114			/**
115			* Sends message to player through output buffers.
116			* \param pl player to send message
117			* \param buf message to send
118			*
119			* If player's output_count is 1, sends message directly.
120			*
121			* Else checks output buffers for specified message.
122			*
123			* If found, checks if message should be sent now.
124			*
125			* If message not already in buffers, flushes olders buffer,
126			* and adds message to queue.
127			*/
128	root	1.5	static void
129			check_output_buffers (const object pl, const char buf)
130	elmex	1.1	{
131	root	1.5	int i, oldest = 0;
132	elmex	1.1
133	root	1.5	if (pl->contr->outputs_count < 2)
134			{
135			print_message (NDI_BLACK, pl, buf);
136			return;
137			}
138			else
139			{
140			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
141			{
142			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
143			break;
144			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
145			oldest = i;
146	root	1.2	}
147	root	1.5	/* We found a match */
148			if (i < NUM_OUTPUT_BUFS)
149			{
150			pl->contr->outputs[i].count++;
151			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
152			{
153			flush_output_element (pl, &pl->contr->outputs[i]);
154	root	1.2	}
155			}
156	root	1.5	/* No match - flush the oldest, and put the new one in */
157			else
158			{
159			flush_output_element (pl, &pl->contr->outputs[oldest]);
160
161			pl->contr->outputs[oldest].first_update = pticks;
162			pl->contr->outputs[oldest].count = 1;
163			pl->contr->outputs[oldest].buf = buf;
164	root	1.2	}
165	elmex	1.1	}
166			}
167	root	1.5
168	elmex	1.1	/**
169			* Sends message to player(s).
170			*
171			* flags is various flags - mostly color, plus a few specials.
172			*
173			* pri is priority. It is a little odd - the lower the value, the more
174			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
175			* value must be less than the listening level that the player has set.
176			* Unfortunately, there is no clear guideline on what each level does what.
177			*
178			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
179			* in the flags.
180			*
181			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
182			*
183			*/
184
185	root	1.5	void
186			new_draw_info (int flags, int pri, const object pl, const char buf)
187	elmex	1.1	{
188	root	1.5	if (flags & NDI_ALL)
189			{
190	root	1.27	for_all_players (pl)
191			new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf);
192	elmex	1.1
193	root	1.5	return;
194	elmex	1.1	}
195	root	1.11
196	root	1.28	if (!pl \|\| pl->type != PLAYER \|\| !pl->contr \|\| !pl->contr->ns)
197	root	1.5	return;
198	root	1.11
199	root	1.5	if (pri >= pl->contr->listening)
200			return;
201
202			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
203	root	1.11	check_output_buffers (pl, buf);
204	root	1.5	else
205	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
206	elmex	1.1	}
207
208			/**
209			* Wrapper for new_draw_info printf-like.
210			*
211			* This is a pretty trivial function, but it allows us to use printf style
212			* formatting, so instead of the calling function having to do it, we do
213			* it here. It may also have advantages in the future for reduction of
214			* client/server bandwidth (client could keep track of various strings
215			*/
216	root	1.5	void
217			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
218	elmex	1.1	{
219	root	1.5	char buf[HUGE_BUF];
220
221			va_list ap;
222			va_start (ap, format);
223			vsnprintf (buf, HUGE_BUF, format, ap);
224			va_end (ap);
225	elmex	1.1
226	root	1.5	new_draw_info (flags, pri, pl, buf);
227	elmex	1.1	}
228
229	root	1.5	void
230			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
231			{
232
233			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
234			return;
235
236			if (pri >= pl->contr->listening)
237			return;
238	root	1.17
239	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
240	root	1.5	{
241			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
242
243			if (buf == NULL)
244			LOG (llevError, "info::draw_ext_info -> Out of memory!");
245			else
246			{
247			strcpy (buf, oldmessage == NULL ? message : oldmessage);
248			strip_media_tag (buf);
249			new_draw_info (flags, pri, pl, buf);
250			free (buf);
251	elmex	1.1	}
252	root	1.5	}
253			else
254	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message);
255	elmex	1.1	}
256
257	root	1.5	void
258			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
259			{
260
261			char buf[HUGE_BUF];
262
263			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
264			return;
265
266			if (pri >= pl->contr->listening)
267			return;
268	root	1.17
269	root	1.23	if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type))
270	root	1.5	{
271			va_list ap;
272
273			LOG (llevDebug, "Non supported extension text type for client.\n");
274			va_start (ap, new_format);
275			vsnprintf (buf, HUGE_BUF, old_format, ap);
276			va_end (ap);
277			new_draw_info (flags, pri, pl, buf);
278			return;
279			}
280			else
281			{
282			va_list ap;
283
284			va_start (ap, new_format);
285			vsnprintf (buf, HUGE_BUF, new_format, ap);
286			va_end (ap);
287			strip_media_tag (buf);
288	root	1.23	esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf);
289	elmex	1.1	}
290			}
291	root	1.5
292	elmex	1.1	/**
293			* Writes to everyone on the map except op. This is useful for emotions.
294			*/
295
296	root	1.5	void
297	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
298	root	1.5	{
299			player *pl;
300	elmex	1.1
301	root	1.24	for_all_players (pl)
302	root	1.5	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
303			{
304			new_draw_info (color, 0, pl->ob, str);
305			}
306	elmex	1.1	}
307
308			/**
309			* Writes to everyone on the map except op1 and op2
310			*/
311
312	root	1.5	void
313	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
314	root	1.5	{
315			player *pl;
316
317	root	1.24	for_all_players (pl)
318	root	1.5	if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
319			{
320			new_draw_info (color, 0, pl->ob, str);
321			}
322	elmex	1.1	}
323
324			/**
325			* Writes to everyone on the specified map
326			*/
327
328	root	1.5	void
329	root	1.8	new_info_map (int color, maptile * map, const char *str)
330	root	1.5	{
331			player *pl;
332	elmex	1.1
333	root	1.24	for_all_players (pl)
334	root	1.5	if (pl->ob != NULL && pl->ob->map == map)
335			{
336			new_draw_info (color, 0, pl->ob, str);
337			}
338	elmex	1.1	}
339
340
341			/**
342			* This does nothing now. However, in theory, we should probably send
343			* something to the client and let the client figure out how it might want
344			* to handle this
345			*/
346	root	1.5	void
347			clear_win_info (object *op)
348	elmex	1.1	{
349			}
350
351			/**
352			* Get player's current range attack in obuf.
353			*/
354	root	1.5	void
355			rangetostring (object pl, char obuf)
356	elmex	1.1	{
357	root	1.5	switch (pl->contr->shoottype)
358			{
359	root	1.8	case range_none:
360			strcpy (obuf, "Range: nothing");
361			break;
362	root	1.2
363	root	1.8	case range_bow:
364			{
365			object *op;
366	root	1.2
367	root	1.8	for (op = pl->inv; op; op = op->below)
368			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
369	root	1.5	break;
370	root	1.10
371	root	1.8	if (op == NULL)
372			break;
373
374			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
375			}
376			break;
377	root	1.5
378	root	1.8	case range_magic:
379			if (settings.casting_time == TRUE)
380			{
381			if (pl->casting_time > -1)
382			{
383			if (pl->casting_time == 0)
384	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
385	root	1.8	else
386	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
387	root	1.8	}
388			else
389			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
390	root	1.5	}
391	root	1.8	else
392			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
393			break;
394
395			case range_misc:
396			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
397			break;
398
399			/* range_scroll is only used for controlling golems. If the
400			* the player does not have a golem, reset some things.
401			*/
402			case range_golem:
403			if (pl->contr->ranges[range_golem] != NULL)
404			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
405			else
406			{
407			pl->contr->shoottype = range_none;
408			strcpy (obuf, "Range: nothing");
409			}
410			break;
411	root	1.2
412	root	1.8	case range_skill:
413			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
414			break;
415
416			case range_builder:
417			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
418			break;
419	elmex	1.1
420	root	1.8	default:
421			strcpy (obuf, "Range: illegal");
422	elmex	1.1	}
423			}
424
425			/**
426			* Sets player title.
427			*/
428	root	1.5	void
429			set_title (object pl, char buf)
430	elmex	1.1	{
431	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
432			if (pl->contr->own_title[0] == '\0')
433			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
434			else
435			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
436	elmex	1.1	}
437
438
439			/**
440			* Helper for magic map creation.
441			*
442			* Takes a player, the map_mark array and an x and y starting position.
443			* pl is the player.
444			* px, py are offsets from the player.
445			*
446			* This function examines all the adjacant spaces next to px, py.
447			* It updates the map_mark arrow with the color and high bits set
448			* for various code values.
449			*/
450	root	1.5	static void
451			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
452	elmex	1.1	{
453	root	1.5	int x, y, dx, dy, mflags;
454			sint16 nx, ny;
455	root	1.7	maptile *mp;
456	root	1.5	New_Face *f;
457
458			for (dx = -1; dx <= 1; dx++)
459			{
460			for (dy = -1; dy <= 1; dy++)
461			{
462			x = px + dx;
463			y = py + dy;
464
465			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
466			continue;
467
468			mp = pl->map;
469			nx = pl->x + x;
470			ny = pl->y + y;
471
472			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
473			if (mflags & P_OUT_OF_MAP)
474			continue;
475
476			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
477			{
478			f = GET_MAP_FACE (mp, nx, ny, 0);
479			if (f == blank_face)
480			f = GET_MAP_FACE (mp, nx, ny, 1);
481			if (f == blank_face)
482			f = GET_MAP_FACE (mp, nx, ny, 2);
483
484			/* Should probably have P_NO_MAGIC here also, but then shops don't
485			* work.
486			*/
487			if (mflags & P_BLOCKSVIEW)
488			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
489			else
490			{
491			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
492			magic_mapping_mark_recursive (pl, map_mark, x, y);
493	root	1.2	}
494			}
495			}
496	elmex	1.1	}
497			}
498
499
500			/**
501			* Creates magic map for player.
502			*
503			* Note: For improved magic mapping display, the space that blocks
504			* the view is now marked with value 2. Any dependencies of map_mark
505			* being nonzero have been changed to check for 1. Also, since
506			* map_mark is a char value, putting 2 in should cause no problems.
507			*
508			* This function examines the map the player is on, and determines what
509			* is visible. 2 is set for walls or objects that blocks view. 1
510	pippijn	1.29	* is for open spaces. map_mark should already have been initialised
511	elmex	1.1	* to zero before this is called.
512			* strength is an initial strength*2 rectangular area that we automatically
513			* see in/penetrate through.
514			*/
515
516	root	1.5	void
517			magic_mapping_mark (object pl, char map_mark, int strength)
518	elmex	1.1	{
519	root	1.5	int x, y, mflags;
520			sint16 nx, ny;
521	root	1.7	maptile *mp;
522	root	1.5	New_Face *f;
523
524			for (x = -strength; x < strength; x++)
525			{
526			for (y = -strength; y < strength; y++)
527			{
528			mp = pl->map;
529			nx = pl->x + x;
530			ny = pl->y + y;
531			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
532			if (mflags & P_OUT_OF_MAP)
533			continue;
534			else
535			{
536			f = GET_MAP_FACE (mp, nx, ny, 0);
537			if (f == blank_face)
538			f = GET_MAP_FACE (mp, nx, ny, 1);
539			if (f == blank_face)
540			f = GET_MAP_FACE (mp, nx, ny, 2);
541	root	1.2	}
542
543	root	1.5	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	elmex	1.1	}
552			}
553
554			/**
555			* Creates and sends magic map to player.
556			*
557			* The following function is a lot messier than it really should be,
558			* but there is no real easy solution.
559			*
560			* Mark Wedel
561			*/
562
563	root	1.5	void
564			draw_magic_map (object *pl)
565	elmex	1.1	{
566	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
567	root	1.5	int xmin, xmax, ymin, ymax;
568
569			if (pl->type != PLAYER)
570			{
571			LOG (llevError, "Non player object called draw_map.\n");
572			return;
573			}
574
575			/* First, we figure out what spaces are 'reachable' by the player */
576			magic_mapping_mark (pl, map_mark, 3);
577
578			/* We now go through and figure out what spaces have been
579			* marked, and thus figure out rectangular region we send
580			* to the client (eg, if only a 10x10 area is visible, we only
581			* want to send those 100 spaces.)
582			*/
583			xmin = MAGIC_MAP_SIZE;
584			ymin = MAGIC_MAP_SIZE;
585			xmax = 0;
586			ymax = 0;
587	root	1.13
588			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
589			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
590	root	1.25	if (map_mark[x + pl->map->width * y] \| FACE_FLOOR)
591	root	1.5	{
592	root	1.13	xmin = x < xmin ? x : xmin;
593			xmax = x > xmax ? x : xmax;
594			ymin = y < ymin ? y : ymin;
595			ymax = y > ymax ? y : ymax;
596	root	1.2	}
597	elmex	1.1
598	root	1.15	packet sl;
599	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
600			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
601
602			for (int y = ymin; y <= ymax; y++)
603			for (int x = xmin; x <= xmax; x++)
604			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
605
606	root	1.23	pl->contr->ns->send_packet (sl);
607	root	1.5
608			free (map_mark);
609	elmex	1.1	}
610
611			/**
612			* Send a kill log record to sockets
613			*/
614	root	1.5	void
615			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
616			{
617			size_t len;
618			char buf[MAX_BUF];
619
620			if (With != NULL)
621	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
622	root	1.5	else
623	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
624
625	root	1.5	len = strlen (buf);
626	elmex	1.1	}
627	root	1.22