server/socket/info.C

/*
 * static char *rcsid_sock_info_c =
 *   "$Id: info.C,v 1.3 2006-08-31 17:54:15 root Exp $";
 */

/*
    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-devel@real-time.com
*/

/**
 * \file
 * Basic client output functions.
 *
 * \date 2003-12-02
 *
 * This file implements some of the simpler output functions to the
 * client.  Basically, things like sending text strings along
 */

#include <global.h>
#include <sproto.h>
#include <stdarg.h>
#include <spells.h>
#include <skills.h>

/**
 * Draws a normal message on the client.  It is pretty 
 * much the same thing as the draw_info above, but takes a color
 * parameter.  the esrv_drawinfo functions should probably be
 * replaced with this, just using black as the color.
 */
static void esrv_print_msg(NewSocket *ns,int color, const char *str)
{
    char buf[HUGE_BUF];

    if (ns->status == Ns_Old) {
        snprintf(buf,HUGE_BUF,"%s\n", str);
    } else {
        snprintf(buf,HUGE_BUF, "drawinfo %d %s", color, str);
    }
/*    LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
    Write_String_To_Socket(ns, buf, strlen(buf));
}

/**
 * Draws   an extended message on the client. 
 * ns      the socket to send message to
 * color   color informations (used mainly if client does not support message type)
 * type,
 * subtype type and subtype of text message
 * intro   Intro message to send with main message if client does not support the message type
 * message The main message
 */
static void esrv_print_ext_msg(NewSocket *ns,int color,uint8 type, uint8 subtype, const char *message)
{
    char buf[HUGE_BUF];
    snprintf(buf,HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
        Write_String_To_Socket(ns, buf, strlen(buf));
/*    LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/

}

/**
 * Frontend for esrv_print_msg
 * \param colr message color
 * \param pl player to send to. Can be NULL
 * \param tmp message to send. Can be NULL
 *
 * If pl is NULL or without contr set, writes message to log.
 *
 * Else sends message to player via esrv_print_msg
 */

static void print_message(int colr, const object *pl, const char *tmp) {

  if(tmp == (char *) NULL) {
    tmp="[NULL]";
  }

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

  if (pl->type == PLAYER) {
    esrv_print_msg(&pl->contr->socket,colr,(char*) tmp);
    return;
  }
}


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

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

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

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

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

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

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

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

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

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

    if (flags & NDI_ALL) {
        player  *tmppl;
        int i;

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

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

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

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

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

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

    va_list ap;
    va_start(ap, format);

    vsnprintf(buf, HUGE_BUF, format, ap);

    va_end(ap);

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


void draw_ext_info(
        int flags, int pri, const object *pl, uint8 type, 
        uint8 subtype, const char* message, const char* oldmessage){
            
    if(!pl || (pl->type!=PLAYER) || (pl->contr==NULL))
        return;
        
    if (pri>=pl->contr->listening) return;
    if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
        char *buf = (char*)malloc(strlen(oldmessage==NULL?message:oldmessage)+1);
        if (buf==NULL)
            LOG(llevError,"info::draw_ext_info -> Out of memory!");
        else{
            strcpy(buf,oldmessage==NULL?message:oldmessage);
            strip_media_tag(buf);
            new_draw_info(flags, pri, pl, buf);
            free(buf);
        }
    }else{
        esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,message);
    }
}

void draw_ext_info_format(
        int flags, int pri, const object *pl, uint8 type, 
        uint8 subtype, const char* old_format, 
        char* new_format, ...){
            
    char buf[HUGE_BUF];
        if(!pl || (pl->type!=PLAYER) || (pl->contr==NULL))
                return;
                
    if (pri>=pl->contr->listening) return;
        if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
        va_list ap;
        LOG(llevDebug,"Non supported extension text type for client.\n");
        va_start(ap, new_format);
        vsnprintf(buf, HUGE_BUF, old_format, ap);
        va_end(ap);
        new_draw_info(flags, pri, pl, buf);
                return;
        }else{
        va_list ap;
        va_start(ap, new_format);
        vsnprintf(buf, HUGE_BUF, new_format, ap);
        va_end(ap);
        strip_media_tag(buf);
        esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,buf);
    }
}
/**
 * Writes to everyone on the map *except* op.  This is useful for emotions.
 */

void new_info_map_except(int color, mapstruct *map, object *op, const char *str) {
    player *pl;

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

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

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

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

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

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

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


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

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

        case range_bow:
            {
            object *op;

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

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

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

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

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

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

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

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

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


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

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

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

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

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

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

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


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

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

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

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


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

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

    if (pl->type!=PLAYER) {
        LOG(llevError,"Non player object called draw_map.\n");
        return;
    }
   
    /* First, we figure out what spaces are 'reachable' by the player */
    magic_mapping_mark(pl, map_mark, 3);

    /* We now go through and figure out what spaces have been
     * marked, and thus figure out rectangular region we send
     * to the client (eg, if only a 10x10 area is visible, we only
     * want to send those 100 spaces.)
     */
    xmin = MAGIC_MAP_SIZE;
    ymin = MAGIC_MAP_SIZE;
    xmax = 0;
    ymax = 0;
    for(x = 0; x < MAGIC_MAP_SIZE ; x++) {
        for(y = 0; y < MAGIC_MAP_SIZE; y++) {
            if (map_mark[x + MAP_WIDTH(pl->map) * y] | FACE_FLOOR) {
                xmin = x < xmin ? x : xmin;
                xmax = x > xmax ? x : xmax;
                ymin = y < ymin ? y : ymin;
                ymax = y > ymax ? y : ymax;
            }
        }
    }

    sl.buf= (unsigned char*) malloc(MAXSOCKBUF);
    snprintf((char*)sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax-xmin+1), (ymax-ymin+1),
            MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
    sl.len=strlen((char*)sl.buf);
    
    for (y = ymin; y <= ymax; y++) {
        for (x = xmin; x <= xmax; x++) {
            sl.buf[sl.len++]= map_mark[x+MAGIC_MAP_SIZE*y] & ~FACE_FLOOR;
        } /* x loop */
    } /* y loop */
    
    Send_With_Handling(&pl->contr->socket, &sl);
    free(sl.buf);
    free(map_mark);
}


/**
 * Send a kill log record to sockets
 */

void Log_Kill(const char *Who,
            const char *What, int WhatType,
            const char *With, int WithType)
{
    int i;
    size_t len;
    char buf[MAX_BUF];

    if (With!=NULL) {
        snprintf(buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n",Who,What,WhatType,With,WithType);
    }
    else {
        snprintf(buf,MAX_BUF, "%s\t%s\t%d\n",Who,What,WhatType);
    }
    len=strlen(buf);
    for(i=1; i<socket_info.allocated_sockets; i++) {
        if (init_sockets[i].old_mode == Old_Listen) {
            cs_write_string(&init_sockets[i], buf, len);
        }
    }
}
Revision:	1.4
Committed:	Sun Sep 3 00:18:43 2006 UTC (17 years, 9 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.3:	+9 -15 lines
Log Message:	THIS CODE WILL NOT COMPILE use the STABLE tag instead. - major changes in object lifetime and memory management - replaced manual refcounting by shstr class - removed quest system - many optimisations - major changes
#	Content
1	/*
2	* static char *rcsid_sock_info_c =
3	* "$Id: info.C,v 1.3 2006-08-31 17:54:15 root Exp $";
4	*/
5
6	/*
7	CrossFire, A Multiplayer game for X-windows
8
9	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
10	Copyright (C) 1992 Frank Tore Johansen
11
12	This program is free software; you can redistribute it and/or modify
13	it under the terms of the GNU General Public License as published by
14	the Free Software Foundation; either version 2 of the License, or
15	(at your option) any later version.
16
17	This program is distributed in the hope that it will be useful,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU General Public License for more details.
21
22	You should have received a copy of the GNU General Public License
23	along with this program; if not, write to the Free Software
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/
28
29	/**
30	* \file
31	* Basic client output functions.
32	*
33	* \date 2003-12-02
34	*
35	* This file implements some of the simpler output functions to the
36	* client. Basically, things like sending text strings along
37	*/
38
39	#include <global.h>
40	#include <sproto.h>
41	#include <stdarg.h>
42	#include <spells.h>
43	#include <skills.h>
44
45	/**
46	* Draws a normal message on the client. It is pretty
47	* much the same thing as the draw_info above, but takes a color
48	* parameter. the esrv_drawinfo functions should probably be
49	* replaced with this, just using black as the color.
50	*/
51	static void esrv_print_msg(NewSocket ns,int color, const char str)
52	{
53	char buf[HUGE_BUF];
54
55	if (ns->status == Ns_Old) {
56	snprintf(buf,HUGE_BUF,"%s\n", str);
57	} else {
58	snprintf(buf,HUGE_BUF, "drawinfo %d %s", color, str);
59	}
60	/* LOG(llevDebug,"sending %s to socket, len=%d\n", buf, strlen(buf));*/
61	Write_String_To_Socket(ns, buf, strlen(buf));
62	}
63
64	/**
65	* Draws an extended message on the client.
66	* ns the socket to send message to
67	* color color informations (used mainly if client does not support message type)
68	* type,
69	* subtype type and subtype of text message
70	* intro Intro message to send with main message if client does not support the message type
71	* message The main message
72	*/
73	static void esrv_print_ext_msg(NewSocket ns,int color,uint8 type, uint8 subtype, const char message)
74	{
75	char buf[HUGE_BUF];
76	snprintf(buf,HUGE_BUF, "drawextinfo %d %hhu %hhu %s", color, type, subtype, message);
77	Write_String_To_Socket(ns, buf, strlen(buf));
78	/* LOG(llevDebug,"sending %s to socket, len=%d", buf, strlen(buf));*/
79
80	}
81
82	/**
83	* Frontend for esrv_print_msg
84	* \param colr message color
85	* \param pl player to send to. Can be NULL
86	* \param tmp message to send. Can be NULL
87	*
88	* If pl is NULL or without contr set, writes message to log.
89	*
90	* Else sends message to player via esrv_print_msg
91	*/
92
93	static void print_message(int colr, const object pl, const char tmp) {
94
95	if(tmp == (char *) NULL) {
96	tmp="[NULL]";
97	}
98
99	if (!pl \|\| (pl->type == PLAYER && pl->contr == NULL))
100	return;
101
102	if (pl->type == PLAYER) {
103	esrv_print_msg(&pl->contr->socket,colr,(char*) tmp);
104	return;
105	}
106	}
107
108
109	/**
110	* Prints out the contents of specified buffer structures,
111	* and clears the string.
112	*/
113
114	void flush_output_element(const object pl, Output_Buf outputs)
115	{
116	char tbuf[MAX_BUF];
117
118	if (outputs->buf==NULL) return;
119	if (outputs->count > 1) {
120	snprintf(tbuf,MAX_BUF, "%d times %s", outputs->count, &outputs->buf);
121	print_message(NDI_BLACK, pl, tbuf);
122	} else
123	print_message(NDI_BLACK, pl, &outputs->buf);
124
125	outputs->buf=NULL;
126	outputs->first_update=0; /* This way, it will be reused */
127	}
128
129	/**
130	* Sends message to player through output buffers.
131	* \param pl player to send message
132	* \param buf message to send
133	*
134	* If player's output_count is 1, sends message directly.
135	*
136	* Else checks output buffers for specified message.
137	*
138	* If found, checks if message should be sent now.
139	*
140	* If message not already in buffers, flushes olders buffer,
141	* and adds message to queue.
142	*/
143
144	static void check_output_buffers(const object pl, const char buf)
145	{
146	int i, oldest=0;
147
148	if (pl->contr->outputs_count<2) {
149	print_message(NDI_BLACK, pl, buf);
150	return;
151	}
152	else {
153	for (i=0; i<NUM_OUTPUT_BUFS; i++) {
154	if (pl->contr->outputs[i].buf &&
155	!strcmp(buf, pl->contr->outputs[i].buf)) break;
156	else if (pl->contr->outputs[i].first_update <
157	pl->contr->outputs[oldest].first_update)
158	oldest=i;
159	}
160	/* We found a match */
161	if (i<NUM_OUTPUT_BUFS) {
162	pl->contr->outputs[i].count++;
163	if (pl->contr->outputs[i].count>=pl->contr->outputs_count) {
164	flush_output_element(pl, &pl->contr->outputs[i]);
165	}
166	}
167	/* No match - flush the oldest, and put the new one in */
168	else {
169	flush_output_element(pl, &pl->contr->outputs[oldest]);
170
171	pl->contr->outputs[oldest].first_update = pticks;
172	pl->contr->outputs[oldest].count = 1;
173	pl->contr->outputs[oldest].buf = buf;
174	}
175	}
176	}
177
178
179
180	/**
181	* Sends message to player(s).
182	*
183	* flags is various flags - mostly color, plus a few specials.
184	*
185	* pri is priority. It is a little odd - the lower the value, the more
186	* important it is. Thus, 0 gets sent no matter what. Otherwise, the
187	* value must be less than the listening level that the player has set.
188	* Unfortunately, there is no clear guideline on what each level does what.
189	*
190	* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
191	* in the flags.
192	*
193	* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
194	*
195	*/
196
197	void new_draw_info(int flags, int pri, const object pl, const char buf)
198	{
199
200	if (flags & NDI_ALL) {
201	player *tmppl;
202	int i;
203
204	for (tmppl=first_player; tmppl!=NULL; tmppl=tmppl->next)
205	new_draw_info((flags & ~NDI_ALL), pri, tmppl->ob, buf);
206
207	for (i=1; i<socket_info.allocated_sockets; i++) {
208	if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri< 10) {
209	cs_write_string(&init_sockets[i], buf, strlen(buf));
210	/* Most messages don't have a newline, so add one */
211	cs_write_string(&init_sockets[i], "\n", 1);
212	}
213	}
214
215	return;
216	}
217	if(!pl \|\| (pl->type==PLAYER && pl->contr==NULL)) {
218	/* Write to the socket? */
219	print_message(0, NULL, buf);
220	return;
221	}
222	if (pl->type!=PLAYER) return;
223	if (pri>=pl->contr->listening) return;
224
225	if ((flags&NDI_COLOR_MASK)==NDI_BLACK && !(flags &NDI_UNIQUE)) {
226	/* following prints stuff out, as appropriate */
227	check_output_buffers(pl, buf);
228	}
229	else {
230	print_message(flags&NDI_COLOR_MASK, pl, buf);
231	}
232	}
233
234	/**
235	* Wrapper for new_draw_info printf-like.
236	*
237	* This is a pretty trivial function, but it allows us to use printf style
238	* formatting, so instead of the calling function having to do it, we do
239	* it here. It may also have advantages in the future for reduction of
240	* client/server bandwidth (client could keep track of various strings
241	*/
242
243	void new_draw_info_format(int flags, int pri, const object pl, const char format, ...)
244	{
245	char buf[HUGE_BUF];
246
247	va_list ap;
248	va_start(ap, format);
249
250	vsnprintf(buf, HUGE_BUF, format, ap);
251
252	va_end(ap);
253
254	new_draw_info(flags, pri, pl, buf);
255	}
256
257
258	void draw_ext_info(
259	int flags, int pri, const object *pl, uint8 type,
260	uint8 subtype, const char* message, const char* oldmessage){
261
262	if(!pl \|\| (pl->type!=PLAYER) \|\| (pl->contr==NULL))
263	return;
264
265	if (pri>=pl->contr->listening) return;
266	if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
267	char buf = (char)malloc(strlen(oldmessage==NULL?message:oldmessage)+1);
268	if (buf==NULL)
269	LOG(llevError,"info::draw_ext_info -> Out of memory!");
270	else{
271	strcpy(buf,oldmessage==NULL?message:oldmessage);
272	strip_media_tag(buf);
273	new_draw_info(flags, pri, pl, buf);
274	free(buf);
275	}
276	}else{
277	esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,message);
278	}
279	}
280
281	void draw_ext_info_format(
282	int flags, int pri, const object *pl, uint8 type,
283	uint8 subtype, const char* old_format,
284	char* new_format, ...){
285
286	char buf[HUGE_BUF];
287	if(!pl \|\| (pl->type!=PLAYER) \|\| (pl->contr==NULL))
288	return;
289
290	if (pri>=pl->contr->listening) return;
291	if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
292	va_list ap;
293	LOG(llevDebug,"Non supported extension text type for client.\n");
294	va_start(ap, new_format);
295	vsnprintf(buf, HUGE_BUF, old_format, ap);
296	va_end(ap);
297	new_draw_info(flags, pri, pl, buf);
298	return;
299	}else{
300	va_list ap;
301	va_start(ap, new_format);
302	vsnprintf(buf, HUGE_BUF, new_format, ap);
303	va_end(ap);
304	strip_media_tag(buf);
305	esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,buf);
306	}
307	}
308	/**
309	* Writes to everyone on the map except op. This is useful for emotions.
310	*/
311
312	void new_info_map_except(int color, mapstruct map, object op, const char *str) {
313	player *pl;
314
315	for(pl = first_player; pl != NULL; pl = pl->next)
316	if(pl->ob != NULL && pl->ob->map == map && pl->ob != op) {
317	new_draw_info(color, 0, pl->ob, str);
318	}
319	}
320
321	/**
322	* Writes to everyone on the map except op1 and op2
323	*/
324
325	void new_info_map_except2(int color, mapstruct map, object op1, object *op2,
326	const char *str) {
327	player *pl;
328
329	for(pl = first_player; pl != NULL; pl = pl->next)
330	if(pl->ob != NULL && pl->ob->map == map
331	&& pl->ob != op1 && pl->ob != op2) {
332	new_draw_info(color, 0, pl->ob, str);
333	}
334	}
335
336	/**
337	* Writes to everyone on the specified map
338	*/
339
340	void new_info_map(int color, mapstruct map, const char str) {
341	player *pl;
342
343	for(pl = first_player; pl != NULL; pl = pl->next)
344	if(pl->ob != NULL && pl->ob->map == map) {
345	new_draw_info(color, 0, pl->ob, str);
346	}
347	}
348
349
350	/**
351	* This does nothing now. However, in theory, we should probably send
352	* something to the client and let the client figure out how it might want
353	* to handle this
354	*/
355	void clear_win_info(object *op)
356	{
357	}
358
359	/**
360	* Get player's current range attack in obuf.
361	*/
362	void rangetostring(object pl,char obuf)
363	{
364	switch(pl->contr->shoottype) {
365	case range_none:
366	strcpy(obuf,"Range: nothing");
367	break;
368
369	case range_bow:
370	{
371	object *op;
372
373	for (op = pl->inv; op; op=op->below)
374	if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
375	break;
376	if(op==NULL) break;
377
378	sprintf (obuf, "Range: %s (%s)", query_base_name(op, 0),
379	op->race ? (const char *)op->race : "nothing");
380	}
381	break;
382
383	case range_magic:
384	if (settings.casting_time == TRUE) {
385	if (pl->casting_time > -1) {
386	if (pl->casting_time == 0)
387	sprintf(obuf,"Range: Holding spell (%s)",
388	(const char *)pl->spell->name);
389	else
390	sprintf(obuf,"Range: Casting spell (%s)",
391	(const char *)pl->spell->name);
392	} else
393	sprintf(obuf,"Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
394	} else
395	sprintf(obuf,"Range: spell (%s)", &pl->contr->ranges[range_magic]->name);
396	break;
397
398	case range_misc:
399	sprintf(obuf,"Range: %s", pl->contr->ranges[range_misc] ?
400	query_base_name(pl->contr->ranges[range_misc],0) : "none");
401	break;
402
403	/* range_scroll is only used for controlling golems. If the
404	* the player does not have a golem, reset some things.
405	*/
406	case range_golem:
407	if (pl->contr->ranges[range_golem]!=NULL)
408	sprintf(obuf,"Range: golem (%s)", &pl->contr->ranges[range_golem]->name);
409	else {
410	pl->contr->shoottype = range_none;
411	strcpy(obuf,"Range: nothing");
412	}
413	break;
414
415	case range_skill:
416	sprintf(obuf,"Skill: %s", pl->chosen_skill!=NULL ?
417	(const char *)pl->chosen_skill->name : "none");
418	break;
419
420	case range_builder:
421	sprintf( obuf, "Builder: %s", query_base_name( pl->contr->ranges[ range_builder ], 0 ) );
422	break;
423
424	default:
425	strcpy(obuf,"Range: illegal");
426	}
427	}
428
429	/**
430	* Sets player title.
431	*/
432	void set_title(object pl, char buf)
433	{
434	/* Eneq(@csd.uu.se): Let players define their own titles. */
435	if (pl->contr->own_title[0]=='\0')
436	sprintf(buf,"Player: %s the %s",(const char )pl->name,(const char )pl->contr->title);
437	else
438	sprintf(buf,"Player: %s %s",(const char )pl->name,(const char )pl->contr->own_title);
439	}
440
441
442	/**
443	* Helper for magic map creation.
444	*
445	* Takes a player, the map_mark array and an x and y starting position.
446	* pl is the player.
447	* px, py are offsets from the player.
448	*
449	* This function examines all the adjacant spaces next to px, py.
450	* It updates the map_mark arrow with the color and high bits set
451	* for various code values.
452	*/
453	static void magic_mapping_mark_recursive(object pl, char map_mark, int px, int py)
454	{
455	int x, y, dx, dy,mflags;
456	sint16 nx, ny;
457	mapstruct *mp;
458	New_Face *f;
459
460	for (dx = -1; dx <= 1; dx++) {
461	for (dy = -1; dy <= 1; dy++) {
462	x = px + dx;
463	y = py + dy;
464
465	if (FABS(x) >= MAGIC_MAP_HALF \|\| FABS(y) >= MAGIC_MAP_HALF) continue;
466
467	mp = pl->map;
468	nx = pl->x + x;
469	ny = pl->y + y;
470
471	mflags = get_map_flags(pl->map, &mp, nx, ny, &nx, &ny);
472	if (mflags & P_OUT_OF_MAP) continue;
473
474	if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] == 0) {
475	f= GET_MAP_FACE(mp, nx, ny, 0);
476	if (f == blank_face)
477	f= GET_MAP_FACE(mp, nx, ny, 1);
478	if (f == blank_face)
479	f= GET_MAP_FACE(mp, nx, ny, 2);
480
481	/* Should probably have P_NO_MAGIC here also, but then shops don't
482	* work.
483	*/
484	if (mflags & P_BLOCKSVIEW)
485	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f?f->magicmap:0);
486	else {
487	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f?f->magicmap:0);
488	magic_mapping_mark_recursive(pl, map_mark, x, y);
489	}
490	}
491	}
492	}
493	}
494
495
496	/**
497	* Creates magic map for player.
498	*
499	* Note: For improved magic mapping display, the space that blocks
500	* the view is now marked with value 2. Any dependencies of map_mark
501	* being nonzero have been changed to check for 1. Also, since
502	* map_mark is a char value, putting 2 in should cause no problems.
503	*
504	* This function examines the map the player is on, and determines what
505	* is visible. 2 is set for walls or objects that blocks view. 1
506	* is for open spaces. map_mark should already have been initialized
507	* to zero before this is called.
508	* strength is an initial strength*2 rectangular area that we automatically
509	* see in/penetrate through.
510	*/
511
512	void magic_mapping_mark(object pl, char map_mark, int strength)
513	{
514	int x, y, mflags;
515	sint16 nx, ny;
516	mapstruct *mp;
517	New_Face *f;
518
519	for (x = -strength; x <strength; x++) {
520	for (y = -strength; y <strength; y++) {
521	mp = pl->map;
522	nx = pl->x + x;
523	ny = pl->y + y;
524	mflags = get_map_flags(pl->map, &mp, nx, ny, &nx, &ny);
525	if (mflags & P_OUT_OF_MAP)
526	continue;
527	else {
528	f= GET_MAP_FACE(mp, nx, ny, 0);
529	if (f == blank_face)
530	f= GET_MAP_FACE(mp, nx, ny, 1);
531	if (f == blank_face)
532	f= GET_MAP_FACE(mp, nx, ny, 2);
533	}
534
535	if (mflags & P_BLOCKSVIEW)
536	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f?f->magicmap:0);
537	else {
538	map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f?f->magicmap:0);
539	magic_mapping_mark_recursive(pl, map_mark, x, y);
540	}
541	}
542	}
543	}
544
545
546	/**
547	* Creates and sends magic map to player.
548	*
549	* The following function is a lot messier than it really should be,
550	* but there is no real easy solution.
551	*
552	* Mark Wedel
553	*/
554
555	void draw_magic_map(object *pl)
556	{
557	int x,y;
558	char map_mark = (char ) calloc(MAGIC_MAP_SIZE*MAGIC_MAP_SIZE, 1);
559	int xmin, xmax, ymin, ymax;
560	SockList sl;
561
562	if (pl->type!=PLAYER) {
563	LOG(llevError,"Non player object called draw_map.\n");
564	return;
565	}
566
567	/* First, we figure out what spaces are 'reachable' by the player */
568	magic_mapping_mark(pl, map_mark, 3);
569
570	/* We now go through and figure out what spaces have been
571	* marked, and thus figure out rectangular region we send
572	* to the client (eg, if only a 10x10 area is visible, we only
573	* want to send those 100 spaces.)
574	*/
575	xmin = MAGIC_MAP_SIZE;
576	ymin = MAGIC_MAP_SIZE;
577	xmax = 0;
578	ymax = 0;
579	for(x = 0; x < MAGIC_MAP_SIZE ; x++) {
580	for(y = 0; y < MAGIC_MAP_SIZE; y++) {
581	if (map_mark[x + MAP_WIDTH(pl->map) * y] \| FACE_FLOOR) {
582	xmin = x < xmin ? x : xmin;
583	xmax = x > xmax ? x : xmax;
584	ymin = y < ymin ? y : ymin;
585	ymax = y > ymax ? y : ymax;
586	}
587	}
588	}
589
590	sl.buf= (unsigned char*) malloc(MAXSOCKBUF);
591	snprintf((char*)sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax-xmin+1), (ymax-ymin+1),
592	MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
593	sl.len=strlen((char*)sl.buf);
594
595	for (y = ymin; y <= ymax; y++) {
596	for (x = xmin; x <= xmax; x++) {
597	sl.buf[sl.len++]= map_mark[x+MAGIC_MAP_SIZE*y] & ~FACE_FLOOR;
598	} /* x loop */
599	} /* y loop */
600
601	Send_With_Handling(&pl->contr->socket, &sl);
602	free(sl.buf);
603	free(map_mark);
604	}
605
606
607	/**
608	* Send a kill log record to sockets
609	*/
610
611	void Log_Kill(const char *Who,
612	const char *What, int WhatType,
613	const char *With, int WithType)
614	{
615	int i;
616	size_t len;
617	char buf[MAX_BUF];
618
619	if (With!=NULL) {
620	snprintf(buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n",Who,What,WhatType,With,WithType);
621	}
622	else {
623	snprintf(buf,MAX_BUF, "%s\t%s\t%d\n",Who,What,WhatType);
624	}
625	len=strlen(buf);
626	for(i=1; i<socket_info.allocated_sockets; i++) {
627	if (init_sockets[i].old_mode == Old_Listen) {
628	cs_write_string(&init_sockets[i], buf, len);
629	}
630	}
631	}