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_socket * ns, int color, const char *str)
{
  packet sl;
  sl.printf ("drawinfo %d %s", color, str);
  ns->send_packet (sl);
}

/**
 * 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_socket * ns, int color, uint8 type, uint8 subtype, const char *message)
{
  packet sl;

  sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
  ns->send_packet (sl);
}

/**
 * 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->socket, colr, (char *) tmp);
}

/**
 * Prints out the contents of specified buffer structures,
 * and clears the string.
 */

void
flush_output_element (const object *pl, Output_Buf * outputs)
{
  char tbuf[MAX_BUF];

  if (outputs->buf == NULL)
    return;
  if (outputs->count > 1)
    {
      snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
      print_message (NDI_BLACK, pl, tbuf);
    }
  else
    print_message (NDI_BLACK, pl, &outputs->buf);

  outputs->buf = NULL;
  outputs->first_update = 0;    /* This way, it will be reused */
}

/**
 * Sends message to player through output buffers.
 * \param pl player to send message
 * \param buf message to send
 *
 * If player's output_count is 1, sends message directly.
 *
 * Else checks output buffers for specified message.
 *
 * If found, checks if message should be sent now.
 *
 * If message not already in buffers, flushes olders buffer,
 * and adds message to queue.
 */

static void
check_output_buffers (const object *pl, const char *buf)
{
  int i, oldest = 0;

  if (pl->contr->outputs_count < 2)
    {
      print_message (NDI_BLACK, pl, buf);
      return;
    }
  else
    {
      for (i = 0; i < NUM_OUTPUT_BUFS; i++)
        {
          if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
            break;
          else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
            oldest = i;
        }
      /* We found a match */
      if (i < NUM_OUTPUT_BUFS)
        {
          pl->contr->outputs[i].count++;
          if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
            {
              flush_output_element (pl, &pl->contr->outputs[i]);
            }
        }
      /* No match - flush the oldest, and put the new one in */
      else
        {
          flush_output_element (pl, &pl->contr->outputs[oldest]);

          pl->contr->outputs[oldest].first_update = pticks;
          pl->contr->outputs[oldest].count = 1;
          pl->contr->outputs[oldest].buf = buf;
        }
    }
}


/**
 * Sends message to player(s).
 *
 * flags is various flags - mostly color, plus a few specials.
 *
 * pri is priority.  It is a little odd - the lower the value, the more
 * important it is.  Thus, 0 gets sent no matter what.  Otherwise, the
 * value must be less than the listening level that the player has set.
 * Unfortunately, there is no clear guideline on what each level does what.
 *
 * pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
 * in the flags.
 *
 * If message is black, and not NDI_UNIQUE, gets sent through output buffers.
 *
 */

void
new_draw_info (int flags, int pri, const object *pl, const char *buf)
{

  if (flags & NDI_ALL)
    {
      player *tmppl;

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

      return;
    }

  if (!pl || (pl->type == PLAYER && pl->contr == NULL))
    {
      /* Write to the socket? */
      print_message (0, NULL, buf);
      return;
    }

  if (pl->type != PLAYER)
    return;

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

  if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
    /* following prints stuff out, as appropriate */
    check_output_buffers (pl, buf);
  else
    print_message (flags & NDI_COLOR_MASK, pl, buf);
}

/**
 * Wrapper for new_draw_info printf-like.
 *
 * This is a pretty trivial function, but it allows us to use printf style
 * formatting, so instead of the calling function having to do it, we do
 * it here.  It may also have advantages in the future for reduction of
 * client/server bandwidth (client could keep track of various strings
 */

void
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...)
{
  char buf[HUGE_BUF];

  va_list ap;

  va_start (ap, format);

  vsnprintf (buf, HUGE_BUF, format, ap);

  va_end (ap);

  new_draw_info (flags, pri, pl, buf);
}


void
draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage)
{

  if (!pl || (pl->type != PLAYER) || (pl->contr == NULL))
    return;

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

  if (!CLIENT_SUPPORT_READABLES (pl->contr->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, maptile * map, object *op, const char *str)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
      {
        new_draw_info (color, 0, pl->ob, str);
      }
}

/**
 * Writes to everyone on the map except op1 and op2
 */

void
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
      {
        new_draw_info (color, 0, pl->ob, str);
      }
}

/**
 * Writes to everyone on the specified map
 */

void
new_info_map (int color, maptile * map, const char *str)
{
  player *pl;

  for (pl = first_player; pl != NULL; pl = pl->next)
    if (pl->ob != NULL && pl->ob->map == map)
      {
        new_draw_info (color, 0, pl->ob, str);
      }
}


/**
 * This does nothing now.  However, in theory, we should probably send
 * something to the client and let the client figure out how it might want
 * to handle this
 */
void
clear_win_info (object *op)
{
}

/**
 * Get player's current range attack in obuf.
 */
void
rangetostring (object *pl, char *obuf)
{
  switch (pl->contr->shoottype)
    {
      case range_none:
        strcpy (obuf, "Range: nothing");
        break;

      case range_bow:
        {
          object *op;

          for (op = pl->inv; op; op = op->below)
            if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
              break;

          if (op == NULL)
            break;

          sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
        }
        break;

      case range_magic:
        if (settings.casting_time == TRUE)
          {
            if (pl->casting_time > -1)
              {
                if (pl->casting_time == 0)
                  sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
                else
                  sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
              }
            else
              sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
          }
        else
          sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
        break;

      case range_misc:
        sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
        break;

        /* range_scroll is only used for controlling golems.  If the
         * the player does not have a golem, reset some things.
         */
      case range_golem:
        if (pl->contr->ranges[range_golem] != NULL)
          sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
        else
          {
            pl->contr->shoottype = range_none;
            strcpy (obuf, "Range: nothing");
          }
        break;

      case range_skill:
        sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
        break;

      case range_builder:
        sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
        break;

      default:
        strcpy (obuf, "Range: illegal");
    }
}

/**
 * Sets player title.
 */
void
set_title (object *pl, char *buf)
{
  /* Eneq(@csd.uu.se): Let players define their own titles. */
  if (pl->contr->own_title[0] == '\0')
    sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title);
  else
    sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title);
}


/**
 * Helper for magic map creation.
 *
 * Takes a player, the map_mark array and an x and y starting position.
 * pl is the player.
 * px, py are offsets from the player.
 *
 * This function examines all the adjacant spaces next to px, py.
 * It updates the map_mark arrow with the color and high bits set
 * for various code values.
 */
static void
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py)
{
  int x, y, dx, dy, mflags;
  sint16 nx, ny;
  maptile *mp;
  New_Face *f;

  for (dx = -1; dx <= 1; dx++)
    {
      for (dy = -1; dy <= 1; dy++)
        {
          x = px + dx;
          y = py + dy;

          if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF)
            continue;

          mp = pl->map;
          nx = pl->x + x;
          ny = pl->y + y;

          mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
          if (mflags & P_OUT_OF_MAP)
            continue;

          if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
            {
              f = GET_MAP_FACE (mp, nx, ny, 0);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 1);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 2);

              /* Should probably have P_NO_MAGIC here also, but then shops don't
               * work.
               */
              if (mflags & P_BLOCKSVIEW)
                map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0);
              else
                {
                  map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
                  magic_mapping_mark_recursive (pl, map_mark, x, y);
                }
            }
        }
    }
}


/**
 * Creates magic map for player.
 *
 * Note:  For improved magic mapping display, the space that blocks
 * the view is now marked with value 2.  Any dependencies of map_mark
 * being nonzero have been changed to check for 1.  Also, since
 * map_mark is a char value, putting 2 in should cause no problems.
 *
 * This function examines the map the player is on, and determines what
 * is visible.  2 is set for walls or objects that blocks view.  1
 * is for open spaces.  map_mark should already have been initialized
 * to zero before this is called.
 * strength is an initial strength*2 rectangular area that we automatically
 * see in/penetrate through.
 */

void
magic_mapping_mark (object *pl, char *map_mark, int strength)
{
  int x, y, mflags;
  sint16 nx, ny;
  maptile *mp;
  New_Face *f;

  for (x = -strength; x < strength; x++)
    {
      for (y = -strength; y < strength; y++)
        {
          mp = pl->map;
          nx = pl->x + x;
          ny = pl->y + y;
          mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
          if (mflags & P_OUT_OF_MAP)
            continue;
          else
            {
              f = GET_MAP_FACE (mp, nx, ny, 0);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 1);
              if (f == blank_face)
                f = GET_MAP_FACE (mp, nx, ny, 2);
            }

          if (mflags & P_BLOCKSVIEW)
            map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0);
          else
            {
              map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0);
              magic_mapping_mark_recursive (pl, map_mark, x, y);
            }
        }
    }
}


/**
 * Creates and sends magic map to player.
 *
 * The following function is a lot messier than it really should be,
 * but there is no real easy solution.
 *
 * Mark Wedel
 */

void
draw_magic_map (object *pl)
{
  char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
  int xmin, xmax, ymin, ymax;

  if (pl->type != PLAYER)
    {
      LOG (llevError, "Non player object called draw_map.\n");
      return;
    }

  /* First, we figure out what spaces are 'reachable' by the player */
  magic_mapping_mark (pl, map_mark, 3);

  /* We now go through and figure out what spaces have been
   * marked, and thus figure out rectangular region we send
   * to the client (eg, if only a 10x10 area is visible, we only
   * want to send those 100 spaces.)
   */
  xmin = MAGIC_MAP_SIZE;
  ymin = MAGIC_MAP_SIZE;
  xmax = 0;
  ymax = 0;

  for (int x = 0; x < MAGIC_MAP_SIZE; x++)
    for (int y = 0; y < MAGIC_MAP_SIZE; y++)
      if (map_mark[x + MAP_WIDTH (pl->map) * y] | FACE_FLOOR)
        {
          xmin = x < xmin ? x : xmin;
          xmax = x > xmax ? x : xmax;
          ymin = y < ymin ? y : ymin;
          ymax = y > ymax ? y : ymax;
        }

  packet sl;
  sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
             MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);

  for (int y = ymin; y <= ymax; y++)
    for (int x = xmin; x <= xmax; x++)
      sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);

  Send_With_Handling (pl->contr->socket, &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:	1.18
Committed:	Thu Dec 14 05:09:32 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.17:	+1 -6 lines
Log Message:	- remove some old socket mode cruft - preliminarily added attachable client_socket interface to perl (untested but also unreachable from perl code atm)
#	User	Rev	Content
1	root	1.8
2	elmex	1.1	/*
3			CrossFire, A Multiplayer game for X-windows
4
5			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6			Copyright (C) 1992 Frank Tore Johansen
7
8			This program is free software; you can redistribute it and/or modify
9			it under the terms of the GNU General Public License as published by
10			the Free Software Foundation; either version 2 of the License, or
11			(at your option) any later version.
12
13			This program is distributed in the hope that it will be useful,
14			but WITHOUT ANY WARRANTY; without even the implied warranty of
15			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			GNU General Public License for more details.
17
18			You should have received a copy of the GNU General Public License
19			along with this program; if not, write to the Free Software
20			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21
22	root	1.6	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	elmex	1.1	*/
24
25			/**
26			* \file
27			* Basic client output functions.
28			*
29			* \date 2003-12-02
30			*
31			* This file implements some of the simpler output functions to the
32			* client. Basically, things like sending text strings along
33			*/
34
35			#include <global.h>
36			#include <sproto.h>
37			#include <stdarg.h>
38			#include <spells.h>
39			#include <skills.h>
40
41			/**
42			* Draws a normal message on the client. It is pretty
43			* much the same thing as the draw_info above, but takes a color
44			* parameter. the esrv_drawinfo functions should probably be
45			* replaced with this, just using black as the color.
46			*/
47	root	1.5	static void
48	root	1.16	esrv_print_msg (client_socket * ns, int color, const char *str)
49	elmex	1.1	{
50	root	1.15	packet sl;
51	root	1.18	sl.printf ("drawinfo %d %s", color, str);
52	root	1.14	ns->send_packet (sl);
53	elmex	1.1	}
54
55			/**
56			* Draws an extended message on the client.
57			* ns the socket to send message to
58			* color color informations (used mainly if client does not support message type)
59			* type,
60			* subtype type and subtype of text message
61			* intro Intro message to send with main message if client does not support the message type
62			* message The main message
63			*/
64	root	1.5	static void
65	root	1.16	esrv_print_ext_msg (client_socket * ns, int color, uint8 type, uint8 subtype, const char *message)
66	elmex	1.1	{
67	root	1.15	packet sl;
68	elmex	1.1
69	root	1.14	sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
70			ns->send_packet (sl);
71	elmex	1.1	}
72
73			/**
74			* Frontend for esrv_print_msg
75			* \param colr message color
76			* \param pl player to send to. Can be NULL
77			* \param tmp message to send. Can be NULL
78			*
79			* If pl is NULL or without contr set, writes message to log.
80			*
81			* Else sends message to player via esrv_print_msg
82			*/
83
84	root	1.5	static void
85			print_message (int colr, const object pl, const char tmp)
86			{
87	elmex	1.1
88	root	1.11	if (!tmp)
89			tmp = "[NULL]";
90	elmex	1.1
91			if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
92			return;
93
94	root	1.5	if (pl->type == PLAYER)
95	root	1.17	esrv_print_msg (pl->contr->socket, colr, (char *) tmp);
96	elmex	1.1	}
97
98			/**
99			* Prints out the contents of specified buffer structures,
100			* and clears the string.
101			*/
102
103	root	1.5	void
104			flush_output_element (const object pl, Output_Buf outputs)
105	elmex	1.1	{
106	root	1.5	char tbuf[MAX_BUF];
107	elmex	1.1
108	root	1.5	if (outputs->buf == NULL)
109			return;
110			if (outputs->count > 1)
111			{
112			snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
113			print_message (NDI_BLACK, pl, tbuf);
114			}
115			else
116			print_message (NDI_BLACK, pl, &outputs->buf);
117	elmex	1.1
118	root	1.5	outputs->buf = NULL;
119			outputs->first_update = 0; /* This way, it will be reused */
120	elmex	1.1	}
121
122			/**
123			* Sends message to player through output buffers.
124			* \param pl player to send message
125			* \param buf message to send
126			*
127			* If player's output_count is 1, sends message directly.
128			*
129			* Else checks output buffers for specified message.
130			*
131			* If found, checks if message should be sent now.
132			*
133			* If message not already in buffers, flushes olders buffer,
134			* and adds message to queue.
135			*/
136
137	root	1.5	static void
138			check_output_buffers (const object pl, const char buf)
139	elmex	1.1	{
140	root	1.5	int i, oldest = 0;
141	elmex	1.1
142	root	1.5	if (pl->contr->outputs_count < 2)
143			{
144			print_message (NDI_BLACK, pl, buf);
145			return;
146			}
147			else
148			{
149			for (i = 0; i < NUM_OUTPUT_BUFS; i++)
150			{
151			if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf))
152			break;
153			else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update)
154			oldest = i;
155	root	1.2	}
156	root	1.5	/* We found a match */
157			if (i < NUM_OUTPUT_BUFS)
158			{
159			pl->contr->outputs[i].count++;
160			if (pl->contr->outputs[i].count >= pl->contr->outputs_count)
161			{
162			flush_output_element (pl, &pl->contr->outputs[i]);
163	root	1.2	}
164			}
165	root	1.5	/* No match - flush the oldest, and put the new one in */
166			else
167			{
168			flush_output_element (pl, &pl->contr->outputs[oldest]);
169
170			pl->contr->outputs[oldest].first_update = pticks;
171			pl->contr->outputs[oldest].count = 1;
172			pl->contr->outputs[oldest].buf = buf;
173	root	1.2	}
174	elmex	1.1	}
175			}
176	root	1.5
177	elmex	1.1
178
179			/**
180			* Sends message to player(s).
181			*
182			* flags is various flags - mostly color, plus a few specials.
183			*
184			* pri is priority. It is a little odd - the lower the value, the more
185			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
186			* value must be less than the listening level that the player has set.
187			* Unfortunately, there is no clear guideline on what each level does what.
188			*
189			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
190			* in the flags.
191			*
192			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
193			*
194			*/
195
196	root	1.5	void
197			new_draw_info (int flags, int pri, const object pl, const char buf)
198	elmex	1.1	{
199
200	root	1.5	if (flags & NDI_ALL)
201			{
202			player *tmppl;
203	elmex	1.1
204	root	1.5	for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next)
205			new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf);
206	elmex	1.1
207	root	1.5	return;
208	elmex	1.1	}
209	root	1.11
210	root	1.5	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
211			{
212			/* Write to the socket? */
213			print_message (0, NULL, buf);
214			return;
215	elmex	1.1	}
216	root	1.11
217	root	1.5	if (pl->type != PLAYER)
218			return;
219	root	1.11
220	root	1.5	if (pri >= pl->contr->listening)
221			return;
222
223			if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE))
224	root	1.11	/* following prints stuff out, as appropriate */
225			check_output_buffers (pl, buf);
226	root	1.5	else
227	root	1.11	print_message (flags & NDI_COLOR_MASK, pl, buf);
228	elmex	1.1	}
229
230			/**
231			* Wrapper for new_draw_info printf-like.
232			*
233			* This is a pretty trivial function, but it allows us to use printf style
234			* formatting, so instead of the calling function having to do it, we do
235			* it here. It may also have advantages in the future for reduction of
236			* client/server bandwidth (client could keep track of various strings
237			*/
238
239	root	1.5	void
240			new_draw_info_format (int flags, int pri, const object pl, const char format, ...)
241	elmex	1.1	{
242	root	1.5	char buf[HUGE_BUF];
243
244			va_list ap;
245
246			va_start (ap, format);
247	elmex	1.1
248	root	1.5	vsnprintf (buf, HUGE_BUF, format, ap);
249	elmex	1.1
250	root	1.5	va_end (ap);
251	elmex	1.1
252	root	1.5	new_draw_info (flags, pri, pl, buf);
253	elmex	1.1	}
254
255
256	root	1.5	void
257			draw_ext_info (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char message, const char *oldmessage)
258			{
259
260			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
261			return;
262
263			if (pri >= pl->contr->listening)
264			return;
265	root	1.17
266			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
267	root	1.5	{
268			char buf = (char ) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1);
269
270			if (buf == NULL)
271			LOG (llevError, "info::draw_ext_info -> Out of memory!");
272			else
273			{
274			strcpy (buf, oldmessage == NULL ? message : oldmessage);
275			strip_media_tag (buf);
276			new_draw_info (flags, pri, pl, buf);
277			free (buf);
278	elmex	1.1	}
279	root	1.5	}
280			else
281	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message);
282	elmex	1.1	}
283
284	root	1.5	void
285			draw_ext_info_format (int flags, int pri, const object pl, uint8 type, uint8 subtype, const char old_format, char *new_format, ...)
286			{
287
288			char buf[HUGE_BUF];
289
290			if (!pl \|\| (pl->type != PLAYER) \|\| (pl->contr == NULL))
291			return;
292
293			if (pri >= pl->contr->listening)
294			return;
295	root	1.17
296			if (!CLIENT_SUPPORT_READABLES (pl->contr->socket, type))
297	root	1.5	{
298			va_list ap;
299
300			LOG (llevDebug, "Non supported extension text type for client.\n");
301			va_start (ap, new_format);
302			vsnprintf (buf, HUGE_BUF, old_format, ap);
303			va_end (ap);
304			new_draw_info (flags, pri, pl, buf);
305			return;
306			}
307			else
308			{
309			va_list ap;
310
311			va_start (ap, new_format);
312			vsnprintf (buf, HUGE_BUF, new_format, ap);
313			va_end (ap);
314			strip_media_tag (buf);
315	root	1.17	esrv_print_ext_msg (pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf);
316	elmex	1.1	}
317			}
318	root	1.5
319	elmex	1.1	/**
320			* Writes to everyone on the map except op. This is useful for emotions.
321			*/
322
323	root	1.5	void
324	root	1.8	new_info_map_except (int color, maptile * map, object op, const char str)
325	root	1.5	{
326			player *pl;
327	elmex	1.1
328	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
329			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op)
330			{
331			new_draw_info (color, 0, pl->ob, str);
332			}
333	elmex	1.1	}
334
335			/**
336			* Writes to everyone on the map except op1 and op2
337			*/
338
339	root	1.5	void
340	root	1.8	new_info_map_except2 (int color, maptile * map, object op1, object op2, const char *str)
341	root	1.5	{
342			player *pl;
343
344			for (pl = first_player; pl != NULL; pl = pl->next)
345			if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2)
346			{
347			new_draw_info (color, 0, pl->ob, str);
348			}
349	elmex	1.1	}
350
351			/**
352			* Writes to everyone on the specified map
353			*/
354
355	root	1.5	void
356	root	1.8	new_info_map (int color, maptile * map, const char *str)
357	root	1.5	{
358			player *pl;
359	elmex	1.1
360	root	1.5	for (pl = first_player; pl != NULL; pl = pl->next)
361			if (pl->ob != NULL && pl->ob->map == map)
362			{
363			new_draw_info (color, 0, pl->ob, str);
364			}
365	elmex	1.1	}
366
367
368			/**
369			* This does nothing now. However, in theory, we should probably send
370			* something to the client and let the client figure out how it might want
371			* to handle this
372			*/
373	root	1.5	void
374			clear_win_info (object *op)
375	elmex	1.1	{
376			}
377
378			/**
379			* Get player's current range attack in obuf.
380			*/
381	root	1.5	void
382			rangetostring (object pl, char obuf)
383	elmex	1.1	{
384	root	1.5	switch (pl->contr->shoottype)
385			{
386	root	1.8	case range_none:
387			strcpy (obuf, "Range: nothing");
388			break;
389	root	1.2
390	root	1.8	case range_bow:
391			{
392			object *op;
393	root	1.2
394	root	1.8	for (op = pl->inv; op; op = op->below)
395			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
396	root	1.5	break;
397	root	1.10
398	root	1.8	if (op == NULL)
399			break;
400
401			sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing");
402			}
403			break;
404	root	1.5
405	root	1.8	case range_magic:
406			if (settings.casting_time == TRUE)
407			{
408			if (pl->casting_time > -1)
409			{
410			if (pl->casting_time == 0)
411	root	1.9	sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name);
412	root	1.8	else
413	root	1.9	sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name);
414	root	1.8	}
415			else
416			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
417	root	1.5	}
418	root	1.8	else
419			sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
420			break;
421
422			case range_misc:
423			sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none");
424			break;
425
426			/* range_scroll is only used for controlling golems. If the
427			* the player does not have a golem, reset some things.
428			*/
429			case range_golem:
430			if (pl->contr->ranges[range_golem] != NULL)
431			sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
432			else
433			{
434			pl->contr->shoottype = range_none;
435			strcpy (obuf, "Range: nothing");
436			}
437			break;
438	root	1.2
439	root	1.8	case range_skill:
440			sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none");
441			break;
442
443			case range_builder:
444			sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0));
445			break;
446	elmex	1.1
447	root	1.8	default:
448			strcpy (obuf, "Range: illegal");
449	elmex	1.1	}
450			}
451
452			/**
453			* Sets player title.
454			*/
455	root	1.5	void
456			set_title (object pl, char buf)
457	elmex	1.1	{
458	root	1.5	/* Eneq(@csd.uu.se): Let players define their own titles. */
459			if (pl->contr->own_title[0] == '\0')
460			sprintf (buf, "Player: %s the %s", (const char ) pl->name, (const char ) pl->contr->title);
461			else
462			sprintf (buf, "Player: %s %s", (const char ) pl->name, (const char ) pl->contr->own_title);
463	elmex	1.1	}
464
465
466			/**
467			* Helper for magic map creation.
468			*
469			* Takes a player, the map_mark array and an x and y starting position.
470			* pl is the player.
471			* px, py are offsets from the player.
472			*
473			* This function examines all the adjacant spaces next to px, py.
474			* It updates the map_mark arrow with the color and high bits set
475			* for various code values.
476			*/
477	root	1.5	static void
478			magic_mapping_mark_recursive (object pl, char map_mark, int px, int py)
479	elmex	1.1	{
480	root	1.5	int x, y, dx, dy, mflags;
481			sint16 nx, ny;
482	root	1.7	maptile *mp;
483	root	1.5	New_Face *f;
484
485			for (dx = -1; dx <= 1; dx++)
486			{
487			for (dy = -1; dy <= 1; dy++)
488			{
489			x = px + dx;
490			y = py + dy;
491
492			if (FABS (x) >= MAGIC_MAP_HALF \|\| FABS (y) >= MAGIC_MAP_HALF)
493			continue;
494
495			mp = pl->map;
496			nx = pl->x + x;
497			ny = pl->y + y;
498
499			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
500			if (mflags & P_OUT_OF_MAP)
501			continue;
502
503			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0)
504			{
505			f = GET_MAP_FACE (mp, nx, ny, 0);
506			if (f == blank_face)
507			f = GET_MAP_FACE (mp, nx, ny, 1);
508			if (f == blank_face)
509			f = GET_MAP_FACE (mp, nx, ny, 2);
510
511			/* Should probably have P_NO_MAGIC here also, but then shops don't
512			* work.
513			*/
514			if (mflags & P_BLOCKSVIEW)
515			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
516			else
517			{
518			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
519			magic_mapping_mark_recursive (pl, map_mark, x, y);
520	root	1.2	}
521			}
522			}
523	elmex	1.1	}
524			}
525
526
527			/**
528			* Creates magic map for player.
529			*
530			* Note: For improved magic mapping display, the space that blocks
531			* the view is now marked with value 2. Any dependencies of map_mark
532			* being nonzero have been changed to check for 1. Also, since
533			* map_mark is a char value, putting 2 in should cause no problems.
534			*
535			* This function examines the map the player is on, and determines what
536			* is visible. 2 is set for walls or objects that blocks view. 1
537			* is for open spaces. map_mark should already have been initialized
538			* to zero before this is called.
539			* strength is an initial strength*2 rectangular area that we automatically
540			* see in/penetrate through.
541			*/
542
543	root	1.5	void
544			magic_mapping_mark (object pl, char map_mark, int strength)
545	elmex	1.1	{
546	root	1.5	int x, y, mflags;
547			sint16 nx, ny;
548	root	1.7	maptile *mp;
549	root	1.5	New_Face *f;
550
551			for (x = -strength; x < strength; x++)
552			{
553			for (y = -strength; y < strength; y++)
554			{
555			mp = pl->map;
556			nx = pl->x + x;
557			ny = pl->y + y;
558			mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny);
559			if (mflags & P_OUT_OF_MAP)
560			continue;
561			else
562			{
563			f = GET_MAP_FACE (mp, nx, ny, 0);
564			if (f == blank_face)
565			f = GET_MAP_FACE (mp, nx, ny, 1);
566			if (f == blank_face)
567			f = GET_MAP_FACE (mp, nx, ny, 2);
568	root	1.2	}
569
570	root	1.5	if (mflags & P_BLOCKSVIEW)
571			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f ? f->magicmap : 0);
572			else
573			{
574			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f ? f->magicmap : 0);
575			magic_mapping_mark_recursive (pl, map_mark, x, y);
576	root	1.2	}
577			}
578	elmex	1.1	}
579			}
580
581
582			/**
583			* Creates and sends magic map to player.
584			*
585			* The following function is a lot messier than it really should be,
586			* but there is no real easy solution.
587			*
588			* Mark Wedel
589			*/
590
591	root	1.5	void
592			draw_magic_map (object *pl)
593	elmex	1.1	{
594	root	1.13	char map_mark = (char )calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1);
595	root	1.5	int xmin, xmax, ymin, ymax;
596
597			if (pl->type != PLAYER)
598			{
599			LOG (llevError, "Non player object called draw_map.\n");
600			return;
601			}
602
603			/* First, we figure out what spaces are 'reachable' by the player */
604			magic_mapping_mark (pl, map_mark, 3);
605
606			/* We now go through and figure out what spaces have been
607			* marked, and thus figure out rectangular region we send
608			* to the client (eg, if only a 10x10 area is visible, we only
609			* want to send those 100 spaces.)
610			*/
611			xmin = MAGIC_MAP_SIZE;
612			ymin = MAGIC_MAP_SIZE;
613			xmax = 0;
614			ymax = 0;
615	root	1.13
616			for (int x = 0; x < MAGIC_MAP_SIZE; x++)
617			for (int y = 0; y < MAGIC_MAP_SIZE; y++)
618			if (map_mark[x + MAP_WIDTH (pl->map) * y] \| FACE_FLOOR)
619	root	1.5	{
620	root	1.13	xmin = x < xmin ? x : xmin;
621			xmax = x > xmax ? x : xmax;
622			ymin = y < ymin ? y : ymin;
623			ymax = y > ymax ? y : ymax;
624	root	1.2	}
625	elmex	1.1
626	root	1.15	packet sl;
627	root	1.13	sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1),
628			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
629
630			for (int y = ymin; y <= ymax; y++)
631			for (int x = xmin; x <= xmax; x++)
632			sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR);
633
634	root	1.17	Send_With_Handling (pl->contr->socket, &sl);
635	root	1.5
636			free (map_mark);
637	elmex	1.1	}
638
639
640			/**
641			* Send a kill log record to sockets
642			*/
643
644	root	1.5	void
645			Log_Kill (const char Who, const char What, int WhatType, const char *With, int WithType)
646			{
647			size_t len;
648			char buf[MAX_BUF];
649
650			if (With != NULL)
651	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType);
652	root	1.5	else
653	root	1.11	snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType);
654
655	root	1.5	len = strlen (buf);
656	elmex	1.1	}