server/socket/info.c

/*
 * static char *rcsid_sock_info_c =
 *   "$Id$";
 */

/*
    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)) {
      fprintf(logfile,"%s\n",tmp);
    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);

    free_string(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;
            if (pl->contr->outputs[oldest].buf!=NULL)
                free_string(pl->contr->outputs[oldest].buf);
            pl->contr->outputs[oldest].buf = add_string(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 ? 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 ?
                    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",pl->name,pl->contr->title);
    else
        sprintf(buf,"Player: %s %s",pl->name,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=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:	1.2
Committed:	Sat Mar 18 15:40:21 2006 UTC (20 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+14 -10 lines
Log Message:	"1 times It gets darker." Save miniscule amounts of bandwidth - and ridicule.
#	User	Rev	Content
1	root	1.1	/*
2			* static char *rcsid_sock_info_c =
3	root	1.2	* "$Id$";
4	root	1.1	*/
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	root	1.2	static void print_message(int colr, const object pl, const char tmp) {
94	root	1.1
95			if(tmp == (char *) NULL) {
96			tmp="[NULL]";
97			}
98
99			if(!pl \|\| (pl->type==PLAYER && pl->contr==NULL)) {
100			fprintf(logfile,"%s\n",tmp);
101			return;
102			}
103			if (pl->type == PLAYER) {
104			esrv_print_msg(&pl->contr->socket,colr,(char*) tmp);
105			return;
106			}
107			}
108
109
110			/**
111			* Prints out the contents of specified buffer structures,
112			* and clears the string.
113			*/
114
115	root	1.2	void flush_output_element(const object pl, Output_Buf outputs)
116	root	1.1	{
117			char tbuf[MAX_BUF];
118
119			if (outputs->buf==NULL) return;
120	root	1.2	if (outputs->count > 1) {
121			snprintf(tbuf,MAX_BUF, "%d times %s", outputs->count, outputs->buf);
122			print_message(NDI_BLACK, pl, tbuf);
123			} else
124			print_message(NDI_BLACK, pl, outputs->buf);
125
126	root	1.1	free_string(outputs->buf);
127			outputs->buf=NULL;
128			outputs->first_update=0; /* This way, it will be reused */
129			}
130
131			/**
132			* Sends message to player through output buffers.
133			* \param pl player to send message
134			* \param buf message to send
135			*
136			* If player's output_count is 1, sends message directly.
137			*
138			* Else checks output buffers for specified message.
139			*
140			* If found, checks if message should be sent now.
141			*
142			* If message not already in buffers, flushes olders buffer,
143			* and adds message to queue.
144			*/
145
146	root	1.2	static void check_output_buffers(const object pl, const char buf)
147	root	1.1	{
148			int i, oldest=0;
149
150			if (pl->contr->outputs_count<2) {
151			print_message(NDI_BLACK, pl, buf);
152			return;
153			}
154			else {
155			for (i=0; i<NUM_OUTPUT_BUFS; i++) {
156			if (pl->contr->outputs[i].buf &&
157			!strcmp(buf, pl->contr->outputs[i].buf)) break;
158			else if (pl->contr->outputs[i].first_update <
159			pl->contr->outputs[oldest].first_update)
160			oldest=i;
161			}
162			/* We found a match */
163			if (i<NUM_OUTPUT_BUFS) {
164			pl->contr->outputs[i].count++;
165			if (pl->contr->outputs[i].count>=pl->contr->outputs_count) {
166			flush_output_element(pl, &pl->contr->outputs[i]);
167			}
168			}
169			/* No match - flush the oldest, and put the new one in */
170			else {
171			flush_output_element(pl, &pl->contr->outputs[oldest]);
172
173			pl->contr->outputs[oldest].first_update = pticks;
174			pl->contr->outputs[oldest].count = 1;
175			if (pl->contr->outputs[oldest].buf!=NULL)
176			free_string(pl->contr->outputs[oldest].buf);
177			pl->contr->outputs[oldest].buf = add_string(buf);
178			}
179			}
180			}
181
182
183
184			/**
185			* Sends message to player(s).
186			*
187			* flags is various flags - mostly color, plus a few specials.
188			*
189			* pri is priority. It is a little odd - the lower the value, the more
190			* important it is. Thus, 0 gets sent no matter what. Otherwise, the
191			* value must be less than the listening level that the player has set.
192			* Unfortunately, there is no clear guideline on what each level does what.
193			*
194			* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set
195			* in the flags.
196			*
197			* If message is black, and not NDI_UNIQUE, gets sent through output buffers.
198			*
199			*/
200
201	root	1.2	void new_draw_info(int flags, int pri, const object pl, const char buf)
202	root	1.1	{
203
204			if (flags & NDI_ALL) {
205			player *tmppl;
206			int i;
207
208			for (tmppl=first_player; tmppl!=NULL; tmppl=tmppl->next)
209			new_draw_info((flags & ~NDI_ALL), pri, tmppl->ob, buf);
210
211			for (i=1; i<socket_info.allocated_sockets; i++) {
212			if (init_sockets[i].status == Ns_Old && init_sockets[i].old_mode != Old_Listen && pri< 10) {
213			cs_write_string(&init_sockets[i], buf, strlen(buf));
214			/* Most messages don't have a newline, so add one */
215			cs_write_string(&init_sockets[i], "\n", 1);
216			}
217			}
218
219			return;
220			}
221			if(!pl \|\| (pl->type==PLAYER && pl->contr==NULL)) {
222			/* Write to the socket? */
223			print_message(0, NULL, buf);
224			return;
225			}
226			if (pl->type!=PLAYER) return;
227			if (pri>=pl->contr->listening) return;
228
229			if ((flags&NDI_COLOR_MASK)==NDI_BLACK && !(flags &NDI_UNIQUE)) {
230			/* following prints stuff out, as appropriate */
231			check_output_buffers(pl, buf);
232			}
233			else {
234			print_message(flags&NDI_COLOR_MASK, pl, buf);
235			}
236			}
237
238			/**
239			* Wrapper for new_draw_info printf-like.
240			*
241			* This is a pretty trivial function, but it allows us to use printf style
242			* formatting, so instead of the calling function having to do it, we do
243			* it here. It may also have advantages in the future for reduction of
244			* client/server bandwidth (client could keep track of various strings
245			*/
246
247	root	1.2	void new_draw_info_format(int flags, int pri, const object pl, const char format, ...)
248	root	1.1	{
249			char buf[HUGE_BUF];
250
251			va_list ap;
252			va_start(ap, format);
253
254			vsnprintf(buf, HUGE_BUF, format, ap);
255
256			va_end(ap);
257
258			new_draw_info(flags, pri, pl, buf);
259			}
260
261
262			void draw_ext_info(
263	root	1.2	int flags, int pri, const object *pl, uint8 type,
264	root	1.1	uint8 subtype, const char* message, const char* oldmessage){
265
266			if(!pl \|\| (pl->type!=PLAYER) \|\| (pl->contr==NULL))
267			return;
268
269			if (pri>=pl->contr->listening) return;
270			if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
271			char buf = (char)malloc(strlen(oldmessage==NULL?message:oldmessage)+1);
272			if (buf==NULL)
273			LOG(llevError,"info::draw_ext_info -> Out of memory!");
274			else{
275			strcpy(buf,oldmessage==NULL?message:oldmessage);
276			strip_media_tag(buf);
277			new_draw_info(flags, pri, pl, buf);
278			free(buf);
279			}
280			}else{
281			esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,message);
282			}
283			}
284
285			void draw_ext_info_format(
286	root	1.2	int flags, int pri, const object *pl, uint8 type,
287	root	1.1	uint8 subtype, const char* old_format,
288			char* new_format, ...){
289
290			char buf[HUGE_BUF];
291			if(!pl \|\| (pl->type!=PLAYER) \|\| (pl->contr==NULL))
292			return;
293
294			if (pri>=pl->contr->listening) return;
295			if (!CLIENT_SUPPORT_READABLES(&pl->contr->socket,type)){
296			va_list ap;
297			LOG(llevDebug,"Non supported extension text type for client.\n");
298			va_start(ap, new_format);
299			vsnprintf(buf, HUGE_BUF, old_format, ap);
300			va_end(ap);
301			new_draw_info(flags, pri, pl, buf);
302			return;
303			}else{
304			va_list ap;
305			va_start(ap, new_format);
306			vsnprintf(buf, HUGE_BUF, new_format, ap);
307			va_end(ap);
308			strip_media_tag(buf);
309			esrv_print_ext_msg(&pl->contr->socket,flags&NDI_COLOR_MASK,type,subtype,buf);
310			}
311			}
312			/**
313			* Writes to everyone on the map except op. This is useful for emotions.
314			*/
315
316			void new_info_map_except(int color, mapstruct map, object op, const char *str) {
317			player *pl;
318
319			for(pl = first_player; pl != NULL; pl = pl->next)
320			if(pl->ob != NULL && pl->ob->map == map && pl->ob != op) {
321			new_draw_info(color, 0, pl->ob, str);
322			}
323			}
324
325			/**
326			* Writes to everyone on the map except op1 and op2
327			*/
328
329			void new_info_map_except2(int color, mapstruct map, object op1, object *op2,
330			const char *str) {
331			player *pl;
332
333			for(pl = first_player; pl != NULL; pl = pl->next)
334			if(pl->ob != NULL && pl->ob->map == map
335			&& pl->ob != op1 && pl->ob != op2) {
336			new_draw_info(color, 0, pl->ob, str);
337			}
338			}
339
340			/**
341			* Writes to everyone on the specified map
342			*/
343
344			void new_info_map(int color, mapstruct map, const char str) {
345			player *pl;
346
347			for(pl = first_player; pl != NULL; pl = pl->next)
348			if(pl->ob != NULL && pl->ob->map == map) {
349			new_draw_info(color, 0, pl->ob, str);
350			}
351			}
352
353
354			/**
355			* This does nothing now. However, in theory, we should probably send
356			* something to the client and let the client figure out how it might want
357			* to handle this
358			*/
359			void clear_win_info(object *op)
360			{
361			}
362
363			/**
364			* Get player's current range attack in obuf.
365			*/
366			void rangetostring(object pl,char obuf)
367			{
368			switch(pl->contr->shoottype) {
369			case range_none:
370			strcpy(obuf,"Range: nothing");
371			break;
372
373			case range_bow:
374			{
375			object *op;
376
377			for (op = pl->inv; op; op=op->below)
378			if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED))
379			break;
380			if(op==NULL) break;
381
382			sprintf (obuf, "Range: %s (%s)", query_base_name(op, 0),
383			op->race ? op->race : "nothing");
384			}
385			break;
386
387			case range_magic:
388			if (settings.casting_time == TRUE) {
389			if (pl->casting_time > -1) {
390			if (pl->casting_time == 0)
391			sprintf(obuf,"Range: Holding spell (%s)",
392			pl->spell->name);
393			else
394			sprintf(obuf,"Range: Casting spell (%s)",
395			pl->spell->name);
396			} else
397			sprintf(obuf,"Range: spell (%s)",
398			pl->contr->ranges[range_magic]->name);
399			} else
400			sprintf(obuf,"Range: spell (%s)",
401			pl->contr->ranges[range_magic]->name);
402			break;
403
404			case range_misc:
405			sprintf(obuf,"Range: %s",
406			pl->contr->ranges[range_misc]?
407			query_base_name(pl->contr->ranges[range_misc],0): "none");
408			break;
409
410			/* range_scroll is only used for controlling golems. If the
411			* the player does not have a golem, reset some things.
412			*/
413			case range_golem:
414			if (pl->contr->ranges[range_golem]!=NULL)
415			sprintf(obuf,"Range: golem (%s)",pl->contr->ranges[range_golem]->name);
416			else {
417			pl->contr->shoottype = range_none;
418			strcpy(obuf,"Range: nothing");
419			}
420			break;
421
422			case range_skill:
423			sprintf(obuf,"Skill: %s", pl->chosen_skill!=NULL ?
424			pl->chosen_skill->name : "none");
425			break;
426
427			case range_builder:
428			sprintf( obuf, "Builder: %s", query_base_name( pl->contr->ranges[ range_builder ], 0 ) );
429			break;
430
431			default:
432			strcpy(obuf,"Range: illegal");
433			}
434			}
435
436			/**
437			* Sets player title.
438			*/
439			void set_title(object pl, char buf)
440			{
441			/* Eneq(@csd.uu.se): Let players define their own titles. */
442			if (pl->contr->own_title[0]=='\0')
443			sprintf(buf,"Player: %s the %s",pl->name,pl->contr->title);
444			else
445			sprintf(buf,"Player: %s %s",pl->name,pl->contr->own_title);
446			}
447
448
449			/**
450			* Helper for magic map creation.
451			*
452			* Takes a player, the map_mark array and an x and y starting position.
453			* pl is the player.
454			* px, py are offsets from the player.
455			*
456			* This function examines all the adjacant spaces next to px, py.
457			* It updates the map_mark arrow with the color and high bits set
458			* for various code values.
459			*/
460			static void magic_mapping_mark_recursive(object pl, char map_mark, int px, int py)
461			{
462			int x, y, dx, dy,mflags;
463			sint16 nx, ny;
464			mapstruct *mp;
465			New_Face *f;
466
467			for (dx = -1; dx <= 1; dx++) {
468			for (dy = -1; dy <= 1; dy++) {
469			x = px + dx;
470			y = py + dy;
471
472			if (FABS(x) >= MAGIC_MAP_HALF \|\| FABS(y) >= MAGIC_MAP_HALF) continue;
473
474			mp = pl->map;
475			nx = pl->x + x;
476			ny = pl->y + y;
477
478			mflags = get_map_flags(pl->map, &mp, nx, ny, &nx, &ny);
479			if (mflags & P_OUT_OF_MAP) continue;
480
481			if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] == 0) {
482			f= GET_MAP_FACE(mp, nx, ny, 0);
483			if (f == blank_face)
484			f= GET_MAP_FACE(mp, nx, ny, 1);
485			if (f == blank_face)
486			f= GET_MAP_FACE(mp, nx, ny, 2);
487
488			/* Should probably have P_NO_MAGIC here also, but then shops don't
489			* work.
490			*/
491			if (mflags & P_BLOCKSVIEW)
492			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f?f->magicmap:0);
493			else {
494			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f?f->magicmap:0);
495			magic_mapping_mark_recursive(pl, map_mark, x, y);
496			}
497			}
498			}
499			}
500			}
501
502
503			/**
504			* Creates magic map for player.
505			*
506			* Note: For improved magic mapping display, the space that blocks
507			* the view is now marked with value 2. Any dependencies of map_mark
508			* being nonzero have been changed to check for 1. Also, since
509			* map_mark is a char value, putting 2 in should cause no problems.
510			*
511			* This function examines the map the player is on, and determines what
512			* is visible. 2 is set for walls or objects that blocks view. 1
513			* is for open spaces. map_mark should already have been initialized
514			* to zero before this is called.
515			* strength is an initial strength*2 rectangular area that we automatically
516			* see in/penetrate through.
517			*/
518
519			void magic_mapping_mark(object pl, char map_mark, int strength)
520			{
521			int x, y, mflags;
522			sint16 nx, ny;
523			mapstruct *mp;
524			New_Face *f;
525
526			for (x = -strength; x <strength; x++) {
527			for (y = -strength; y <strength; y++) {
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			f= GET_MAP_FACE(mp, nx, ny, 0);
536			if (f == blank_face)
537			f= GET_MAP_FACE(mp, nx, ny, 1);
538			if (f == blank_face)
539			f= GET_MAP_FACE(mp, nx, ny, 2);
540			}
541
542			if (mflags & P_BLOCKSVIEW)
543			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_WALL \| (f?f->magicmap:0);
544			else {
545			map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE* (MAGIC_MAP_HALF + y)] = FACE_FLOOR \| (f?f->magicmap:0);
546			magic_mapping_mark_recursive(pl, map_mark, x, y);
547			}
548			}
549			}
550			}
551
552
553			/**
554			* Creates and sends magic map to player.
555			*
556			* The following function is a lot messier than it really should be,
557			* but there is no real easy solution.
558			*
559			* Mark Wedel
560			*/
561
562			void draw_magic_map(object *pl)
563			{
564			int x,y;
565			char map_mark = (char ) calloc(MAGIC_MAP_SIZE*MAGIC_MAP_SIZE, 1);
566			int xmin, xmax, ymin, ymax;
567			SockList sl;
568
569			if (pl->type!=PLAYER) {
570			LOG(llevError,"Non player object called draw_map.\n");
571			return;
572			}
573
574			/* First, we figure out what spaces are 'reachable' by the player */
575			magic_mapping_mark(pl, map_mark, 3);
576
577			/* We now go through and figure out what spaces have been
578			* marked, and thus figure out rectangular region we send
579			* to the client (eg, if only a 10x10 area is visible, we only
580			* want to send those 100 spaces.)
581			*/
582			xmin = MAGIC_MAP_SIZE;
583			ymin = MAGIC_MAP_SIZE;
584			xmax = 0;
585			ymax = 0;
586			for(x = 0; x < MAGIC_MAP_SIZE ; x++) {
587			for(y = 0; y < MAGIC_MAP_SIZE; y++) {
588			if (map_mark[x + MAP_WIDTH(pl->map) * y] \| FACE_FLOOR) {
589			xmin = x < xmin ? x : xmin;
590			xmax = x > xmax ? x : xmax;
591			ymin = y < ymin ? y : ymin;
592			ymax = y > ymax ? y : ymax;
593			}
594			}
595			}
596
597			sl.buf=malloc(MAXSOCKBUF);
598			snprintf((char*)sl.buf, MAXSOCKBUF, "magicmap %d %d %d %d ", (xmax-xmin+1), (ymax-ymin+1),
599			MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin);
600			sl.len=strlen((char*)sl.buf);
601
602			for (y = ymin; y <= ymax; y++) {
603			for (x = xmin; x <= xmax; x++) {
604			sl.buf[sl.len++]= map_mark[x+MAGIC_MAP_SIZE*y] & ~FACE_FLOOR;
605			} /* x loop */
606			} /* y loop */
607
608			Send_With_Handling(&pl->contr->socket, &sl);
609			free(sl.buf);
610			free(map_mark);
611			}
612
613
614			/**
615			* Send a kill log record to sockets
616			*/
617
618			void Log_Kill(const char *Who,
619			const char *What, int WhatType,
620			const char *With, int WithType)
621			{
622			int i;
623			size_t len;
624			char buf[MAX_BUF];
625
626			if (With!=NULL) {
627			snprintf(buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n",Who,What,WhatType,With,WithType);
628			}
629			else {
630			snprintf(buf,MAX_BUF, "%s\t%s\t%d\n",Who,What,WhatType);
631			}
632			len=strlen(buf);
633			for(i=1; i<socket_info.allocated_sockets; i++) {
634			if (init_sockets[i].old_mode == Old_Listen) {
635			cs_write_string(&init_sockets[i], buf, len);
636			}
637			}
638			}