server/server/main.C

/*
 * static char *rcsid_main_c =
 *    "$Id: main.C,v 1.1 2006-08-13 17:16:04 elmex Exp $";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2001-2003 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
*/

#include <global.h>
#include <object.h>
#include <tod.h>

#ifdef HAVE_DES_H
#include <des.h>
#else
#  ifdef HAVE_CRYPT_H
#  include <crypt.h>
#  endif
#endif

#ifndef __CEXTRACT__
#include <sproto.h>
#endif

#ifdef HAVE_TIME_H
#include <time.h>
#endif

#include <../random_maps/random_map.h>
#include <../random_maps/rproto.h>
#include "path.h"

static char days[7][4] = {
  "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

void version(object *op) {
  if(op!=NULL)
    clear_win_info(op);

  new_draw_info_format(NDI_UNIQUE, 0, op, "This is Crossfire v%s",VERSION);

/* If in a socket, don't print out the list of authors.  It confuses the
 * crossclient program.
 */
  if (op==NULL) return;
  new_draw_info(NDI_UNIQUE, 0,op,"Authors and contributors to this program:");
  new_draw_info(NDI_UNIQUE, 0,op,"mwedel@sonic.net (Mark Wedel)");
  new_draw_info(NDI_UNIQUE, 0,op,"frankj@ifi.uio.no (Frank Tore Johansen)");
  new_draw_info(NDI_UNIQUE, 0,op,"kjetilho@ifi.uio.no (Kjetil Torgrim Homme)");
  new_draw_info(NDI_UNIQUE, 0,op,"tvangod@ecst.csuchico.edu (Tyler Van Gorder)");
  new_draw_info(NDI_UNIQUE, 0,op,"elmroth@cd.chalmers.se (Tony Elmroth)");
  new_draw_info(NDI_UNIQUE, 0,op,"dougal.scott@fcit.monasu.edu.au (Dougal Scott)");
  new_draw_info(NDI_UNIQUE, 0,op,"wchuang@athena.mit.edu (William)");
  new_draw_info(NDI_UNIQUE, 0,op,"ftww@cs.su.oz.au (Geoff Bailey)");
  new_draw_info(NDI_UNIQUE, 0,op,"jorgens@flipper.pvv.unit.no (Kjetil Wiekhorst Jxrgensen)");
  new_draw_info(NDI_UNIQUE, 0,op,"c.blackwood@rdt.monash.edu.au (Cameron Blackwood)");
  new_draw_info(NDI_UNIQUE, 0,op,"jtraub+@cmu.edu (Joseph L. Traub)");
  new_draw_info(NDI_UNIQUE, 0,op,"rgg@aaii.oz.au (Rupert G. Goldie)");
  new_draw_info(NDI_UNIQUE, 0,op,"eanders+@cmu.edu (Eric A. Anderson)");
  new_draw_info(NDI_UNIQUE, 0,op,"eneq@Prag.DoCS.UU.SE (Rickard Eneqvist)");
  new_draw_info(NDI_UNIQUE, 0,op,"Jarkko.Sonninen@lut.fi (Jarkko Sonninen)");
  new_draw_info(NDI_UNIQUE, 0,op,"kholland@sunlab.cit.cornell.du (Karl Holland)");
  new_draw_info(NDI_UNIQUE, 0,op,"vick@bern.docs.uu.se (Mikael Lundgren)");
  new_draw_info(NDI_UNIQUE, 0,op,"mol@meryl.csd.uu.se (Mikael Olsson)");
  new_draw_info(NDI_UNIQUE, 0,op,"Tero.Haatanen@lut.fi (Tero Haatanen)");
  new_draw_info(NDI_UNIQUE, 0,op,"ylitalo@student.docs.uu.se (Lasse Ylitalo)");
  new_draw_info(NDI_UNIQUE, 0,op,"anipa@guru.magic.fi (Niilo Neuvo)");
  new_draw_info(NDI_UNIQUE, 0,op,"mta@modeemi.cs.tut.fi (Markku J{rvinen)");
  new_draw_info(NDI_UNIQUE, 0,op,"meunier@inf.enst.fr (Sylvain Meunier)");
  new_draw_info(NDI_UNIQUE, 0,op,"jfosback@darmok.uoregon.edu (Jason Fosback)");
  new_draw_info(NDI_UNIQUE, 0,op,"cedman@capitalist.princeton.edu (Carl Edman)");
  new_draw_info(NDI_UNIQUE, 0,op,"henrich@crh.cl.msu.edu (Charles Henrich)");
  new_draw_info(NDI_UNIQUE, 0,op,"schmid@fb3-s7.math.tu-berlin.de (Gregor Schmid)");
  new_draw_info(NDI_UNIQUE, 0,op,"quinet@montefiore.ulg.ac.be (Raphael Quinet)");
  new_draw_info(NDI_UNIQUE, 0,op,"jam@modeemi.cs.tut.fi (Jari Vanhala)");
  new_draw_info(NDI_UNIQUE, 0,op,"kivinen@joker.cs.hut.fi (Tero Kivinen)");
  new_draw_info(NDI_UNIQUE, 0,op,"peterm@soda.berkeley.edu (Peter Mardahl)");
  new_draw_info(NDI_UNIQUE, 0,op,"matt@cs.odu.edu (Matthew Zeher)");
  new_draw_info(NDI_UNIQUE, 0,op,"srt@sun-dimas.aero.org (Scott R. Turner)");
  new_draw_info(NDI_UNIQUE, 0,op,"huma@netcom.com (Ben Fennema)");
  new_draw_info(NDI_UNIQUE, 0,op,"njw@cs.city.ac.uk (Nick Williams)");
  new_draw_info(NDI_UNIQUE, 0,op,"Wacren@Gin.ObsPM.Fr (Laurent Wacrenier)");
  new_draw_info(NDI_UNIQUE, 0,op,"thomas@astro.psu.edu (Brian Thomas)");
  new_draw_info(NDI_UNIQUE, 0,op,"jsm@axon.ksc.nasa.gov (John Steven Moerk)");
  new_draw_info(NDI_UNIQUE, 0,op,"Delbecq David       [david.delbecq@mailandnews.com]");
  new_draw_info(NDI_UNIQUE, 0,op,"Chachkoff Yann      [yann.chachkoff@mailandnews.com]\n");
  new_draw_info(NDI_UNIQUE, 0,op,"Images and art:");
  new_draw_info(NDI_UNIQUE, 0,op,"Peter Gardner");
  new_draw_info(NDI_UNIQUE, 0,op,"David Gervais       [david_eg@mail.com]");
  new_draw_info(NDI_UNIQUE, 0,op,"Mitsuhiro Itakura   [ita@gold.koma.jaeri.go.jp]");
  new_draw_info(NDI_UNIQUE, 0,op,"Hansjoerg Malthaner [hansjoerg.malthaner@danet.de]");
  new_draw_info(NDI_UNIQUE, 0,op,"M�rten Woxberg      [maxmc@telia.com]");
  new_draw_info(NDI_UNIQUE, 0,op,"And many more!");
}

void info_keys(object *op) {
  clear_win_info(op);
  new_draw_info(NDI_UNIQUE, 0,op,"Push `hjklynub' to walk in a direction.");
  new_draw_info(NDI_UNIQUE, 0,op,"Shift + dir = fire, Ctrl + dir = run");
  new_draw_info(NDI_UNIQUE, 0,op,"(To fire at yourself, hit `.'");
  new_draw_info(NDI_UNIQUE, 0,op,"To attack, walk into the monsters.");
  new_draw_info(NDI_UNIQUE, 0,op,"\"  = speak        ' = extended command");
  new_draw_info(NDI_UNIQUE, 0,op,"i  = inventory    , = get         : = look");
  new_draw_info(NDI_UNIQUE, 0,op,"<> = rotate       d = drop        ? = help");
  new_draw_info(NDI_UNIQUE, 0,op,"a  = apply        A = apply below t = throw");
  new_draw_info(NDI_UNIQUE, 0,op,"e  = examine      E = exa below   @ = autopick");
  new_draw_info(NDI_UNIQUE, 0,op,"C  = configure    s = brace       v = version");
  new_draw_info(NDI_UNIQUE, 0,op,"+- = change range <tab> = browse spells");
  new_draw_info(NDI_UNIQUE, 0,op,"x  = change inventory type");
  new_draw_info(NDI_UNIQUE, 0,op,"Mouse: L = examine,  M = apply,  R = drop/get");
  new_draw_info(NDI_UNIQUE, 0,op,"'help  = info about extended commands.");
  new_draw_info(NDI_UNIQUE, 0,op,"Ctrl-R = refresh   Ctrl-C = clear");
  new_draw_info(NDI_UNIQUE, 0,op,"You can type a number before most commands.");
  new_draw_info(NDI_UNIQUE, 0,op,"(For instance 3d drops 3 items.)");
}

void start_info(object *op) {
  char buf[MAX_BUF];

  sprintf(buf,"Welcome to Crossfire, v%s!",VERSION);
  new_draw_info(NDI_UNIQUE, 0,op,buf);
  new_draw_info(NDI_UNIQUE, 0,op,"Press `?' for help");
  new_draw_info(NDI_UNIQUE, 0,op," ");
  new_draw_info_format(NDI_UNIQUE | NDI_ALL | NDI_DK_ORANGE, 5, op,
        "%s entered the game.",op->name);
  if(!op->contr->name_changed) {
    new_draw_info(NDI_UNIQUE, 0,op,"Note that you must set your name with the name");
    new_draw_info(NDI_UNIQUE, 0,op,"command to enter the highscore list.");
    new_draw_info(NDI_UNIQUE, 0,op,"(You can also use the crossfire.name X-resource.)");
  }
}

/* Really, there is no reason to crypt the passwords  any system.  But easier
 * to just leave this enabled for backward compatibility.  Put the
 * simple case at top - no encryption - makes it easier to read.
 */
char *crypt_string(char *str, char *salt) {
#if defined(WIN32) || (defined(__FreeBSD__) && !defined(HAVE_LIBDES))
    return(str);
#else
    static char *c=
        "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
    char s[2];

    if(salt==NULL)
        s[0]= c[RANDOM() % (int)strlen(c)],
        s[1]= c[RANDOM() % (int)strlen(c)];
    else
        s[0]= salt[0],
        s[1]= salt[1];

#  ifdef HAVE_LIBDES
    return (char*)des_crypt(str,s);
#  endif
    /* Default case - just use crypt */
    return (char*)crypt(str,s);
#endif
}

int check_password(char *typed,char *crypted) {
  return !strcmp(crypt_string(typed,crypted),crypted);
}

/* This is a basic little function to put the player back to his
 * savebed.  We do some error checking - its possible that the
 * savebed map may no longer exist, so we make sure the player
 * goes someplace.
 */
void enter_player_savebed(object *op)
{
    mapstruct   *oldmap = op->map;
    object  *tmp;

    tmp=get_object();

    EXIT_PATH(tmp) = add_string(op->contr->savebed_map);
    EXIT_X(tmp) = op->contr->bed_x;
    EXIT_Y(tmp) = op->contr->bed_y;
    enter_exit(op,tmp);
    /* If the player has not changed maps and the name does not match
     * that of the savebed, his savebed map is gone.  Lets go back
     * to the emergency path.  Update what the players savebed is
     * while we're at it.
     */
    if (oldmap == op->map && strcmp(op->contr->savebed_map, oldmap->path)) {
        LOG(llevDebug,"Player %s savebed location %s is invalid - going to emergency location (%s)\n",
            settings.emergency_mapname, op->name, op->contr->savebed_map);
        strcpy(op->contr->savebed_map, settings.emergency_mapname);
        op->contr->bed_x = settings.emergency_x;
        op->contr->bed_y = settings.emergency_y;
        free_string(op->contr->savebed_map);
        EXIT_PATH(tmp) = add_string(op->contr->savebed_map);
        EXIT_X(tmp) = op->contr->bed_x;
        EXIT_Y(tmp) = op->contr->bed_y;
        enter_exit(op,tmp);
    }
    free_object(tmp);
}

/* All this really is is a glorified remove_object that also updates
 * the counts on the map if needed.
 */
void leave_map(object *op)
{
    mapstruct *oldmap = op->map;

    remove_ob(op);

    if (oldmap) {
        if (!op->contr->hidden)
            oldmap->players--;
        if (oldmap->players <= 0) { /* can be less than zero due to errors in tracking this */
            set_map_timeout(oldmap);
        }
    }
}

/*
 *  enter_map():  Moves the player and pets from current map (if any) to
 * new map.  map, x, y must be set.  map is the map we are moving the
 * player to - it could be the map he just came from if the load failed for
 * whatever reason.  If default map coordinates are to be used, then
 * the function that calls this should figure them out.
 */
static void enter_map(object *op, mapstruct *newmap, int x, int y) {
    mapstruct *oldmap = op->map;

    if (out_of_map(newmap, x, y)) {
        LOG(llevError,"enter_map: supplied coordinates are not within the map! (%s: %d, %d)\n",
            newmap->path, x, y);
        x=MAP_ENTER_X(newmap);
        y=MAP_ENTER_Y(newmap);
        if (out_of_map(newmap, x, y)) {
            LOG(llevError,"enter_map: map %s provides invalid default enter location (%d, %d) > (%d, %d)\n",
                newmap->path, x, y, MAP_WIDTH(newmap), MAP_HEIGHT(newmap));
            new_draw_info(NDI_UNIQUE, 0, op, "The exit is closed");
            return;
        }
    }
    /* try to find a spot for the player */
    if (ob_blocked(op, newmap, x, y)) { /* First choice blocked */
        /* We try to find a spot for the player, starting closest in.
         * We could use find_first_free_spot, but that doesn't randomize it at all,
         * So for example, if the north space is free, you would always end up there even
         * if other spaces around are available.
         * Note that for the second and third calls, we could start at a position other
         * than one, but then we could end up on the other side of walls and so forth.
         */
        int i = find_free_spot(op,newmap, x, y, 1, SIZEOFFREE1+1);
        if (i==-1) {
            i = find_free_spot(op,newmap, x, y, 1, SIZEOFFREE2+1);
            if (i==-1)
                i = find_free_spot(op,newmap, x, y, 1, SIZEOFFREE);
        }
        if (i != -1 ) {
            x += freearr_x[i];
            y += freearr_y[i];
        } else {
            /* not much we can do in this case. */
            LOG(llevInfo,"enter_map: Could not find free spot for player - will dump on top of object (%s: %d, %d)\n",
                newmap->path, x , y);
        }
    } /* end if looking for free spot */
        

    /* If it is a player login, he has yet to be inserted anyplace.
     * otherwise, we need to deal with removing the playe here.
     */
    if(!QUERY_FLAG(op, FLAG_REMOVED))
        remove_ob(op);
    if (op->map!=NULL)
    {
        /* Lauwenmark : Here we handle the MAPLEAVE global event */
        execute_global_event(EVENT_MAPLEAVE, op);
    }
    /* remove_ob clears these so they must be reset after the remove_ob call */
    op->x = x;
    op->y = y;
    op->map = newmap;
    insert_ob_in_map(op,op->map,NULL,INS_NO_WALK_ON);

    /* Lauwenmark : Here we handle the MAPENTER global event */
    execute_global_event(EVENT_MAPENTER, op);

    if (!op->contr->hidden)
        newmap->players++;

    newmap->timeout=0;
    op->enemy = NULL;

    if (op->contr) {
        strcpy(op->contr->maplevel, newmap->path);
        op->contr->count=0;
    }

    /* Update any golems */
    if(op->type == PLAYER && op->contr->ranges[range_golem] != NULL) {
        int i = find_free_spot(op->contr->ranges[range_golem],newmap,
                               x, y, 1, SIZEOFFREE);
        remove_ob(op->contr->ranges[range_golem]);
        if (i==-1) {
            remove_friendly_object(op->contr->ranges[range_golem]);
            free_object(op->contr->ranges[range_golem]);
            op->contr->ranges[range_golem]=NULL;
            op->contr->golem_count=0;
        }
        else {
            object *tmp;
            for (tmp=op->contr->ranges[range_golem]; tmp!=NULL; tmp=tmp->more) {
                tmp->x = x + freearr_x[i]+ (tmp->arch==NULL?0:tmp->arch->clone.x);
                tmp->y = y + freearr_y[i]+ (tmp->arch==NULL?0:tmp->arch->clone.y);
                tmp->map = newmap;
            }
            insert_ob_in_map(op->contr->ranges[range_golem], newmap, NULL,0);
            op->contr->ranges[range_golem]->direction = 
                find_dir_2(op->x - op->contr->ranges[range_golem]->x, 
                           op->y - op->contr->ranges[range_golem]->y);
        }
    }
    op->direction=0;

    /* since the players map is already loaded, we don't need to worry
     * about pending objects.
     */
    remove_all_pets(newmap);

    /* If the player is changing maps, we need to do some special things
     * Do this after the player is on the new map - otherwise the force swap of the
     * old map does not work.
     */
    if (oldmap != newmap) {
        if (oldmap) /* adjust old map */
        {
            oldmap->players--;

            if (oldmap->players <= 0) /* can be less than zero due to errors in tracking this */
                set_map_timeout(oldmap);
        }
    }
    swap_below_max (newmap->path);

    if( op->type == PLAYER)
        MapNewmapCmd( op->contr);
}

void set_map_timeout(mapstruct *oldmap)
{
#if MAP_MAXTIMEOUT
    oldmap->timeout = MAP_TIMEOUT(oldmap);
    /* Do MINTIMEOUT first, so that MAXTIMEOUT is used if that is
     * lower than the min value.
     */
#if MAP_MINTIMEOUT
    if (oldmap->timeout < MAP_MINTIMEOUT) {
        oldmap->timeout = MAP_MINTIMEOUT;
    }
#endif
    if (oldmap->timeout > MAP_MAXTIMEOUT) {
        oldmap->timeout = MAP_MAXTIMEOUT;
    }
#else
    /* save out the map */
    swap_map(oldmap);
#endif /* MAP_MAXTIMEOUT */
}


/* clean_path takes a path and replaces all / with _
 * We do a strcpy so that we do not change the original string.
 */
char *clean_path(const char *file)
{
    static char newpath[MAX_BUF],*cp;

    strncpy(newpath, file, MAX_BUF-1);
    newpath[MAX_BUF-1]='\0';
    for (cp=newpath; *cp!='\0'; cp++) {
        if (*cp=='/') *cp='_';
    }
    return newpath;
}


/* unclean_path takes a path and replaces all _ with /
 * This basically undoes clean path.
 * We do a strcpy so that we do not change the original string.
 * We are smart enough to start after the last / in case we
 * are getting passed a string that points to a unique map
 * path.
 */
char *unclean_path(const char *src)
{
    static char newpath[MAX_BUF],*cp;

    cp=strrchr(src, '/');
    if (cp)
        strncpy(newpath, cp+1, MAX_BUF-1);
    else
        strncpy(newpath, src, MAX_BUF-1);
    newpath[MAX_BUF-1]='\0';

    for (cp=newpath; *cp!='\0'; cp++) {
        if (*cp=='_') *cp='/';
    }
    return newpath;
}


/* The player is trying to enter a randomly generated map.  In this case, generate the
 * random map as needed.
 */

static void enter_random_map(object *pl, object *exit_ob)
{
    mapstruct *new_map;
    char newmap_name[HUGE_BUF], *cp;
    static int reference_number = 0;
    RMParms rp;

    memset(&rp, 0, sizeof(RMParms));
    rp.Xsize=-1;
    rp.Ysize=-1;
    rp.region=get_region_by_map(exit_ob->map);
    if (exit_ob->msg) set_random_map_variable(&rp,exit_ob->msg);
    rp.origin_x = exit_ob->x;
    rp.origin_y = exit_ob->y;
    strcpy(rp.origin_map, pl->map->path);

    /* If we have a final_map, use it as a base name to give some clue
     * as where the player is.  Otherwise, use the origin map.
     * Take the last component (after the last slash) to give
     * shorter names without bogus slashes.
     */
    if (rp.final_map[0]) {
        cp = strrchr(rp.final_map, '/');
        if (!cp) cp = rp.final_map;
    } else {
        char buf[HUGE_BUF];

        cp = strrchr(rp.origin_map, '/');
        if (!cp) cp = rp.origin_map;
        /* Need to strip of any trailing digits, if it has them */
        strcpy(buf, cp);
        while (isdigit(buf[strlen(buf) - 1]))
            buf[strlen(buf) - 1] = 0;
        cp = buf;
    }

    sprintf(newmap_name,"/random/%s%04d",cp+1, reference_number++);

    /* now to generate the actual map. */
    new_map=generate_random_map(newmap_name,&rp);

    /* Update the exit_ob so it now points directly at the newly created
     * random maps.  Not that it is likely to happen, but it does mean that a
     * exit in a unique map leading to a random map will not work properly.
     * It also means that if the created random map gets reset before
     * the exit leading to it, that the exit will no longer work.
     */
    if(new_map) {
        int x, y;
        x=EXIT_X(exit_ob) = MAP_ENTER_X(new_map);
        y=EXIT_Y(exit_ob) = MAP_ENTER_Y(new_map);
        EXIT_PATH(exit_ob) = add_string(newmap_name);
        strcpy(new_map->path, newmap_name);
        enter_map(pl, new_map,  x, y);
    }
}

/* The player is trying to enter a non-randomly generated template map.  In this
 * case, use a map file for a template
 */

static void enter_fixed_template_map(object *pl, object *exit_ob)
{
    mapstruct *new_map;
    char tmpnum[32], exitpath[HUGE_BUF], resultname[HUGE_BUF], tmpstring[HUGE_BUF], *sourcemap;
    const char *new_map_name;
    
    /* Split the exit path string into two parts, one
     * for where to store the map, and one for were
     * to generate the map from.
     */
    snprintf(exitpath, sizeof(exitpath), "%s", EXIT_PATH(exit_ob)+2);
    sourcemap = strchr(exitpath, '!');
    if (!sourcemap) {
        new_draw_info_format(NDI_UNIQUE, 0, pl, "The %s is closed.", exit_ob->name);
        /* Should only occur when no source map is set.
         */
        LOG(llevError,"enter_fixed_template_map: Exit %s (%d,%d) on map %s has no source template.\n",
                    exit_ob->name, exit_ob->x, exit_ob->y, exit_ob->map->path);
        return;
    }
    *sourcemap++ = '\0';
    
    /* If we are not coming from a template map, we can use relative directories
     * for the map to generate from.
     */
    if (!exit_ob->map->templatemap) {
        sourcemap = path_combine_and_normalize(exit_ob->map->path, sourcemap);
    }
    
    /* Do replacement of %x, %y, and %n to the x coord of the exit, the y coord
     * of the exit, and the name of the map the exit is on, respectively.
     */
    sprintf(tmpnum ,"%d", exit_ob->x);
    replace(exitpath, "%x", tmpnum, resultname,  sizeof(resultname));
    
    sprintf(tmpnum ,"%d", exit_ob->y);
    sprintf(tmpstring, "%s", resultname);
    replace(tmpstring, "%y", tmpnum, resultname,  sizeof(resultname));
    
    sprintf(tmpstring, "%s", resultname);
    replace(tmpstring, "%n", exit_ob->map->name, resultname,  sizeof(resultname));
    
    /* If we are coming from another template map, use reletive paths unless 
     * indicated otherwise.
     */
    if (exit_ob->map->templatemap && (resultname[0] != '/')) {
        new_map_name = path_combine_and_normalize(exit_ob->map->path, resultname);
    } else {
        new_map_name = create_template_pathname(resultname);
    }
    
    /* Attempt to load the map, if unable to, then
     * create the map from the template.
     */
    new_map = ready_map_name(new_map_name, MAP_PLAYER_UNIQUE);
    if (!new_map) {
        new_map = load_original_map(create_pathname(sourcemap), MAP_PLAYER_UNIQUE);
        if (new_map) fix_auto_apply(new_map);
    }
    
    if (new_map) {
        /* set the path of the map to where it should be
         * so we don't just save over the source map.
         */
        strcpy(new_map->path, new_map_name);
        new_map->templatemap = 1;
        enter_map(pl, new_map, EXIT_X(exit_ob), EXIT_Y(exit_ob));
    } else {
        new_draw_info_format(NDI_UNIQUE, 0, pl, "The %s is closed.", exit_ob->name);
        /* Should only occur when an invalid source map is set.
         */
        LOG(llevDebug,"enter_fixed_template_map: Exit %s (%d,%d) on map %s leads no where.\n",
                    exit_ob->name, exit_ob->x, exit_ob->y, exit_ob->map->path);
    }
}


/* The player is trying to enter a randomly generated template map.  In this
 * case, generate the map as needed.
 */

static void enter_random_template_map(object *pl, object *exit_ob)
{
    mapstruct *new_map;
    char tmpnum[32], resultname[HUGE_BUF], tmpstring[HUGE_BUF];
    const char *new_map_name;
    RMParms rp;
    
    /* Do replacement of %x, %y, and %n to the x coord of the exit, the y coord
     * of the exit, and the name of the map the exit is on, respectively.
     */
    sprintf(tmpnum ,"%d", exit_ob->x);
    replace(EXIT_PATH(exit_ob)+3, "%x", tmpnum, resultname,  sizeof(resultname));
    
    sprintf(tmpnum ,"%d", exit_ob->y);
    sprintf(tmpstring, "%s", resultname);
    replace(tmpstring, "%y", tmpnum, resultname,  sizeof(resultname));
    
    sprintf(tmpstring, "%s", resultname);
    replace(tmpstring, "%n", exit_ob->map->name, resultname,  sizeof(resultname));
    
    /* If we are coming from another template map, use reletive paths unless 
     * indicated otherwise.
     */
    if (exit_ob->map->templatemap && (resultname[0] != '/')) {
        new_map_name = path_combine_and_normalize(exit_ob->map->path, resultname);
    } else {
        new_map_name = create_template_pathname(resultname);
    }

    new_map = ready_map_name(new_map_name, MAP_PLAYER_UNIQUE);
    if (!new_map) {
        memset(&rp, 0, sizeof(RMParms));
        rp.Xsize=-1;
        rp.Ysize=-1;
        rp.region=get_region_by_map(exit_ob->map);
        if (exit_ob->msg) set_random_map_variable(&rp,exit_ob->msg);
        rp.origin_x = exit_ob->x;
        rp.origin_y = exit_ob->y;
        strcpy(rp.origin_map, pl->map->path);
        
        /* now to generate the actual map. */
        new_map=generate_random_map(new_map_name,&rp);
    }


    /* Update the exit_ob so it now points directly at the newly created
     * random maps.  Not that it is likely to happen, but it does mean that a
     * exit in a unique map leading to a random map will not work properly.
     * It also means that if the created random map gets reset before
     * the exit leading to it, that the exit will no longer work.
     */
    if(new_map) {
        int x, y;
        x=EXIT_X(exit_ob) = MAP_ENTER_X(new_map);
        y=EXIT_Y(exit_ob) = MAP_ENTER_Y(new_map);
        new_map->templatemap = 1;
        enter_map(pl, new_map,  x, y);
    }
}


/* Code to enter/detect a character entering a unique map.
 */
static void enter_unique_map(object *op, object *exit_ob)
{
    char apartment[HUGE_BUF];
    mapstruct   *newmap;

    if (EXIT_PATH(exit_ob)[0]=='/') {
        sprintf(apartment, "%s/%s/%s/%s", settings.localdir,
            settings.playerdir, op->name, clean_path(EXIT_PATH(exit_ob)));
        newmap = ready_map_name(apartment, MAP_PLAYER_UNIQUE);
        if (!newmap) {
            newmap = load_original_map(create_pathname(EXIT_PATH(exit_ob)), MAP_PLAYER_UNIQUE);
            if (newmap) fix_auto_apply(newmap);
        }
    } else { /* relative directory */
        char reldir[HUGE_BUF], tmpc[HUGE_BUF], *cp;

        if (exit_ob->map->unique) {

            strcpy(reldir, unclean_path(exit_ob->map->path));

            /* Need to copy this over, as clean_path only has one static return buffer */
            strcpy(tmpc, clean_path(reldir));
            /* Remove final component, if any */ 
            if ((cp=strrchr(tmpc, '_'))!=NULL) *cp=0;

            sprintf(apartment, "%s/%s/%s/%s_%s", settings.localdir,
                    settings.playerdir, op->name, tmpc,
                    clean_path(EXIT_PATH(exit_ob)));

            newmap = ready_map_name(apartment, MAP_PLAYER_UNIQUE);
            if (!newmap) {
                newmap = load_original_map(create_pathname(path_combine_and_normalize(reldir, EXIT_PATH(exit_ob))), MAP_PLAYER_UNIQUE);
                if (newmap) fix_auto_apply(newmap);
            }
        }
        else {
            /* The exit is unique, but the map we are coming from is not unique.  So
             * use the basic logic - don't need to demangle the path name
             */
            sprintf(apartment, "%s/%s/%s/%s", settings.localdir,
                    settings.playerdir, op->name, 
                    clean_path(path_combine_and_normalize(exit_ob->map->path, EXIT_PATH(exit_ob))));
            newmap = ready_map_name(apartment, MAP_PLAYER_UNIQUE);
            if (!newmap) {
                newmap = ready_map_name(path_combine_and_normalize(exit_ob->map->path, EXIT_PATH(exit_ob)), 0);
                if (newmap) fix_auto_apply(newmap);
            }
        }
    }

    if (newmap) {
        strcpy(newmap->path, apartment);
        newmap->unique = 1;
        enter_map(op, newmap, EXIT_X(exit_ob), EXIT_Y(exit_ob));
    } else {
        new_draw_info_format(NDI_UNIQUE, 0, op, "The %s is closed.", exit_ob->name);
        /* Perhaps not critical, but I would think that the unique maps
         * should be new enough this does not happen.  This also creates
         * a strange situation where some players could perhaps have visited
         * such a map before it was removed, so they have the private
         * map, but other players can't get it anymore.
         */
        LOG(llevDebug,"enter_unique_map: Exit %s (%d,%d) on map %s is leads no where.\n",
                    exit_ob->name, exit_ob->x, exit_ob->y, exit_ob->map->path);
    }
        
}


/* Tries to move 'op' to exit_ob.  op is the character or monster that is
 * using the exit, where exit_ob is the exit object (boat, door, teleporter,
 * etc.)  if exit_ob is null, then op->contr->maplevel contains that map to
 * move the object to.  This is used when loading the player.
 *
 * Largely redone by MSW 2001-01-21 - this function was overly complex
 * and had some obscure bugs.
 */

void enter_exit(object *op, object *exit_ob) {
    #define PORTAL_DESTINATION_NAME "Town portal destination" /* this one should really be in a header file */
    object *tmp;
    /* It may be nice to support other creatures moving across
     * exits, but right now a lot of the code looks at op->contr,
     * so thta is an RFE.
     */
    if (op->type != PLAYER) return;

    /* Need to remove player from transport */
    if (op->contr->transport) apply_transport(op, op->contr->transport, AP_UNAPPLY);

    /* First, lets figure out what map the player is going to go to */
    if (exit_ob){ 

        /* check to see if we make a template map */
        if(EXIT_PATH(exit_ob)&&EXIT_PATH(exit_ob)[1]=='@') {
            if (EXIT_PATH(exit_ob)[2]=='!') {
                /* generate a template map randomly */
                enter_random_template_map(op, exit_ob);
            } else {
                /* generate a template map from a fixed template */
                enter_fixed_template_map(op, exit_ob);
            }
        }
        /* check to see if we make a randomly generated map */
        else if(EXIT_PATH(exit_ob)&&EXIT_PATH(exit_ob)[1]=='!') {
            enter_random_map(op, exit_ob);
        }
        else if (QUERY_FLAG(exit_ob, FLAG_UNIQUE)) {
            enter_unique_map(op, exit_ob);
        } else {
            int x=EXIT_X(exit_ob), y=EXIT_Y(exit_ob);
            /* 'Normal' exits that do not do anything special
             * Simple enough we don't need another routine for it.
             */
            mapstruct   *newmap;
            if (exit_ob->map) {
                newmap = ready_map_name(path_combine_and_normalize(exit_ob->map->path, EXIT_PATH(exit_ob)), 0);
                /* Random map was previously generated, but is no longer about.  Lets generate a new
                 * map.
                 */
                if (!newmap && !strncmp(EXIT_PATH(exit_ob),"/random/",8)) {
                    /* Maps that go down have a message set.  However, maps that go
                     * up, don't.  If the going home has reset, there isn't much
                     * point generating a random map, because it won't match the maps.
                     */
                    if (exit_ob->msg) {
                        enter_random_map(op, exit_ob);
                    } else {
                        new_draw_info_format(NDI_UNIQUE, 0, op, "The %s is closed.", exit_ob->name);
                        return;
                    }

                    /* For exits that cause damages (like pits).  Don't know if any
                     * random maps use this or not.
                     */
                    if(exit_ob->stats.dam && op->type==PLAYER)
                        hit_player(op,exit_ob->stats.dam,exit_ob,exit_ob->attacktype,1);
                    return;
                }
            } else {
                /* For word of recall and other force objects
                 * They contain the full pathname of the map to go back to,
                 * so we don't need to normalize it.
                 * But we do need to see if it is unique or not 
                 */
                if (!strncmp(EXIT_PATH(exit_ob), settings.localdir, strlen(settings.localdir)))
                    newmap = ready_map_name(EXIT_PATH(exit_ob), MAP_PLAYER_UNIQUE);
                else
                    newmap = ready_map_name(EXIT_PATH(exit_ob), 0);
            }
            if (!newmap)
            {
                if (exit_ob->name)
                    new_draw_info_format(NDI_UNIQUE, 0, op, "The %s is closed.", exit_ob->name);
                /* don't cry to momma if name is not set - as in tmp objects
                 * used by the savebed code and character creation */
                return;
            }

            /* This supports the old behaviour, but it really should not be used.
             * I will note for example that with this method, it is impossible to
             * set 0,0 destination coordinates.  Really, if we want to support
             * using the new maps default coordinates, the exit ob should use
             * something like -1, -1 so it is clear to do that.
             */
            if (x==0 && y==0) {
                x=MAP_ENTER_X(newmap);
                y=MAP_ENTER_Y(newmap);
                LOG(llevDebug,"enter_exit: Exit %s (%d,%d) on map %s is 0 destination coordinates\n",
                    exit_ob->name?exit_ob->name:"(none)", exit_ob->x, exit_ob->y, 
                    exit_ob->map?exit_ob->map->path:"(none)");
            }

            /* mids 02/13/2002 if exit is damned, update players death & WoR home-position and delete town portal */
            if (QUERY_FLAG(exit_ob, FLAG_DAMNED)) {
              /* remove an old force with a slaying field == PORTAL_DESTINATION_NAME */
              for(tmp=op->inv; tmp != NULL; tmp = tmp->below) {
                if(tmp->type == FORCE && tmp->slaying && !strcmp(tmp->slaying, PORTAL_DESTINATION_NAME)) break;
              }
              if(tmp) {
                remove_ob(tmp);
                free_object(tmp);
              }
 
              strcpy(op->contr->savebed_map, path_combine_and_normalize(exit_ob->map->path, EXIT_PATH(exit_ob)));
              op->contr->bed_x = EXIT_X(exit_ob), op->contr->bed_y = EXIT_Y(exit_ob);
              save_player(op, 1);
              /* LOG(llevDebug,"enter_exit: Taking damned exit %s to (%d,%d) on map %s\n",
               * exit_ob->name?exit_ob->name:"(none)", exit_ob->x, exit_ob->y,  
               * path_combine_and_normalize(exit_ob->map->path, EXIT_PATH(exit_ob))); */
            }

            enter_map(op, newmap, x, y);
        }
        /* For exits that cause damages (like pits) */
        if(exit_ob->stats.dam && op->type==PLAYER)
            hit_player(op,exit_ob->stats.dam,exit_ob,exit_ob->attacktype,1);
    } else {
        int flags = 0;
        mapstruct *newmap;


        /* Hypothetically, I guess its possible that a standard map matches
         * the localdir, but that seems pretty unlikely - unlikely enough that
         * I'm not going to attempt to try to deal with that possibility.
         * We use the fact that when a player saves on a unique map, it prepends
         * the localdir to that name.  So its an easy way to see of the map is
         * unique or not.
         */
        if (!strncmp(op->contr->maplevel, settings.localdir, strlen(settings.localdir)))
            flags = MAP_PLAYER_UNIQUE;

        /* newmap returns the map (if already loaded), or loads it for
         * us.
         */
        newmap = ready_map_name(op->contr->maplevel, flags);
        if (!newmap)
        {
            LOG(llevError,
                "enter_exit: Pathname to map does not exist! (%s)\n",
                op->contr->maplevel);
            newmap = ready_map_name(settings.emergency_mapname, 0);
            op->x = settings.emergency_x;
            op->y = settings.emergency_y;
            /* If we can't load the emergency map, something is probably really
             * screwed up, so bail out now.
             */
            if (!newmap) {
                LOG(llevError,"enter_exit: could not load emergency map? Fatal error\n");
                abort();
            }
        }
        enter_map(op, newmap, op->x, op->y);
    }
}

/*
 * process_active_maps(): Works like process_events(), but it only
 * processes maps which a player is on.
 * It will check that it isn't called too often, and abort
 * if time since last call is less than MAX_TIME.
 *
 */

void process_active_maps(void) {
  mapstruct *map;


    /*
     * If enough time has elapsed, do some work.
     */
    if(enough_elapsed_time()) {
        for(map=first_map;map!=NULL;map=map->next) {
            if(map->in_memory == MAP_IN_MEMORY) {
                if(players_on_map(map,TRUE))
                    process_events(map);
            }
        }
    }
}

/* process_players1 and process_players2 do all the player related stuff.
 * I moved it out of process events and process_map.  This was to some
 * extent for debugging as well as to get a better idea of the time used
 * by the various functions.  process_players1() does the processing before
 * objects have been updated, process_players2() does the processing that
 * is needed after the players have been updated.
 */

void process_players1(mapstruct *map)
{
    int flag;
    player *pl,*plnext;

    /* Basically, we keep looping until all the players have done their actions. */
    for(flag=1;flag!=0;) {
        flag=0;
        for(pl=first_player;pl!=NULL;pl=plnext) {
            plnext=pl->next; /* In case a player exits the game in handle_player() */

            if (pl->ob == NULL) continue;

            if (map!=NULL && pl->ob->map!=map) continue;

            if(pl->ob->speed_left>0) {
                if (handle_newcs_player(pl->ob))
                    flag=1;
            } /* end if player has speed left */

            /* If the player is not actively playing, don't make a
             * backup save - nothing to save anyway.  Plus, the
             * map may not longer be valid.  This can happen when the
             * player quits - they exist for purposes of tracking on the map,
             * but don't actually reside on any actual map.
             */
            if (QUERY_FLAG(pl->ob, FLAG_REMOVED)) continue;

#ifdef AUTOSAVE
            /* check for ST_PLAYING state so that we don't try to save off when
             * the player is logging in.
             */
            if ((pl->last_save_tick+AUTOSAVE)<pticks && pl->state==ST_PLAYING) {
                /* Don't save the player on unholy ground.  Instead, increase the
                 * tick time so it will be about 10 seconds before we try and save
                 * again.
                 */
//              if (get_map_flags(pl->ob->map, NULL, pl->ob->x, pl->ob->y, NULL, NULL) & P_NO_CLERIC) {
//                  pl->last_save_tick += 100;
//              } else {
                    save_player(pl->ob,1);
                    pl->last_save_tick = pticks;
//              }
            }
#endif
        } /* end of for loop for all the players */
    } /* for flag */
    for(pl=first_player;pl!=NULL;pl=pl->next) {
        if (map!=NULL && (pl->ob == NULL || pl->ob->map!=map))
            continue;
        if (settings.casting_time == TRUE) {
            if (pl->ob->casting_time > 0){
                pl->ob->casting_time--;
                pl->ob->start_holding = 1;
            }
            /* set spell_state so we can update the range in stats field */
            if ((pl->ob->casting_time == 0) && (pl->ob->start_holding ==1)){
                pl->ob->start_holding = 0;
            }
        }
        do_some_living(pl->ob);
/*      draw(pl->ob);*/ /* updated in socket code */
    }
}

void process_players2(mapstruct *map)
{
    player *pl;

    /* Then check if any players should use weapon-speed instead of speed */
    for(pl=first_player;pl!=NULL;pl=pl->next) {
        if (map!=NULL) {
            if(pl->ob == NULL || QUERY_FLAG(pl->ob,FLAG_REMOVED))
                continue;
            else if(pl->loading != NULL) /* Player is blocked */
                pl->ob->speed_left -= pl->ob->speed;
            if (pl->ob->map!=map) continue;
        }

        /* The code that did weapon_sp handling here was out of place -
         * this isn't called until after the player has finished there
         * actions, and is thus out of place.  All we do here is bounds
         * checking.
         */
        if (pl->has_hit) {
            if (pl->ob->speed_left > pl->weapon_sp) pl->ob->speed_left = pl->weapon_sp;

            /* This needs to be here - if the player is running, we need to
             * clear this each tick, but new commands are not being received
             * so execute_newserver_command() is never called
             */
            pl->has_hit=0;

        } else if (pl->ob->speed_left>pl->ob->speed)
            pl->ob->speed_left = pl->ob->speed;
    }
}

#define SPEED_DEBUG


void process_events (mapstruct *map)
{
    object *op;
    object marker;
    tag_t tag;

    process_players1 (map);

    memset(&marker, 0, sizeof(object));
    /* Put marker object at beginning of active list */
    marker.active_next = active_objects;

    if (marker.active_next)
        marker.active_next->active_prev = &marker;
    marker.active_prev = NULL;
    active_objects = &marker;
 
    while (marker.active_next) {
        op = marker.active_next;
        tag = op->count;

        /* Move marker forward - swap op and marker */
        op->active_prev = marker.active_prev;

        if (op->active_prev)
            op->active_prev->active_next = op;
        else
            active_objects = op;

        marker.active_next = op->active_next;

        if (marker.active_next)
            marker.active_next->active_prev = &marker;
        marker.active_prev = op;
        op->active_next = &marker;

        /* Now process op */
        if (QUERY_FLAG (op, FLAG_FREED)) {
            LOG (llevError, "BUG: process_events(): Free object on list\n");
            op->speed = 0;
            update_ob_speed (op);
            continue;
        }

        /* I've seen occasional crashes due to this - the object is removed,
         * and thus the map it points to (last map it was on) may be bogus
         * The real bug is to try to find out the cause of this - someone
         * is probably calling remove_ob without either an insert_ob or
         * free_object afterwards, leaving an object dangling.  But I'd
         * rather log this and continue on instead of crashing.
         * Don't remove players - when a player quits, the object is in
         * sort of a limbo, of removed, but something we want to keep
         * around.
         */
        if (QUERY_FLAG (op, FLAG_REMOVED) && op->type != PLAYER && 
            op->map && op->map->in_memory != MAP_IN_MEMORY) {
            LOG (llevError, "BUG: process_events(): Removed object on list\n");
            dump_object(op);
            LOG(llevError, errmsg);
            free_object(op);
            continue;
        }

        if ( ! op->speed) {
            LOG (llevError, "BUG: process_events(): Object %s has no speed, "
                 "but is on active list\n", op->arch->name);
            update_ob_speed (op);
            continue;
        }

        if (op->map == NULL && op->env == NULL && op->name &&
            op->type != MAP && map == NULL) {
            LOG (llevError, "BUG: process_events(): Object without map or "
                 "inventory is on active list: %s (%d)\n",
                 op->name, op->count);
            op->speed = 0;
            update_ob_speed (op);
            continue;
        }

        if (map != NULL && op->map != map)
            continue;

        /* Animate the object.  Bug of feature that andim_speed
         * is based on ticks, and not the creatures speed?
         */
        if (op->anim_speed && op->last_anim >= op->anim_speed)
          {
            if ((op->type==PLAYER)||(op->type==MONSTER))
                animate_object(op, op->facing);
            else
                animate_object (op, op->direction);

            op->last_anim = 1;
          }
        else
          op->last_anim++;

        if (op->speed_left > 0) {
#if 0
            /* I've seen occasional crashes in move_symptom() with it
             * crashing because op is removed - add some debugging to
             * track if it is removed at this point.
             * This unfortunately is a bit too verbose it seems - not sure
             * why - I think what happens is a map is freed or something and
             * some objects get 'lost' - removed never to be reclaimed.
             * removed objects generally shouldn't exist.
             */
            if (QUERY_FLAG(op, FLAG_REMOVED)) {
                LOG(llevDebug,"process_events: calling process_object with removed object %s\n",
                    op->name?op->name:"null");
            }
#endif
            --op->speed_left;
            process_object (op);
            if (was_destroyed (op, tag))
                continue;
        }
        if (settings.casting_time == TRUE && op->casting_time > 0)
            op->casting_time--;
        if (op->speed_left <= 0)
            op->speed_left += FABS (op->speed);
    }

    /* Remove marker object from active list */
    if (marker.active_prev != NULL)
        marker.active_prev->active_next = NULL;
    else
        active_objects = NULL;

    process_players2 (map);
}

void clean_tmp_files(void) {
  mapstruct *m, *next;

  LOG(llevInfo,"Cleaning up...\n");

  /* We save the maps - it may not be intuitive why, but if there are unique
   * items, we need to save the map so they get saved off.  Perhaps we should
   * just make a special function that only saves the unique items.
   */
  for(m=first_map;m!=NULL;m=next) {
      next=m->next;
      if (m->in_memory == MAP_IN_MEMORY) {
        /* If we want to reuse the temp maps, swap it out (note that will also
         * update the log file.  Otherwise, save the map (mostly for unique item
         * stuff).  Note that the clean_tmp_map is called after the end of
         * the for loop but is in the #else bracket.  IF we are recycling the maps,
         * we certainly don't want the temp maps removed.
         */

          /* XXX The above comment is dead wrong */
          if (settings.recycle_tmp_maps == TRUE)
              swap_map(m);
          else {
              new_save_map(m, 0); /* note we save here into a overlay map */
              clean_tmp_map(m);
          }
      }
  }
  write_todclock(); /* lets just write the clock here */
}

/* clean up everything before exiting */
void cleanup(void)
{
    LOG(llevDebug,"Cleanup called.  freeing data.\n");
    clean_tmp_files();
    write_book_archive();
#ifdef MEMORY_DEBUG
    free_all_maps();
    free_style_maps();
    free_all_object_data();
    free_all_archs();
    free_all_treasures();
    free_all_images();
    free_all_newserver();
    free_all_recipes();
    free_all_readable();
    free_all_god();
    free_all_anim();
    /* See what the string data that is out there that hasn't been freed. */
/*    LOG(llevDebug, ss_dump_table(0xff));*/
#endif
    exit(0);
}

void leave(player *pl, int draw_exit) {
    if (pl != NULL) {
        /* We do this so that the socket handling routine can do the final
         * cleanup.  We also leave that loop to actually handle the freeing
         * of the data.
         */
        if (pl->ob->type != DEAD_OBJECT)
          {
            execute_global_event (EVENT_LOGOUT, pl, pl->socket.host);
            LOG (llevInfo,"LOGOUT: Player named %s from ip %s\n", pl->ob->name, pl->socket.host);

            pl->socket.status = Ns_Dead;

            /* If a hidden dm dropped connection do not create
            * inconsistencies by showing that they have left the game 
            */
            if (!(QUERY_FLAG(pl->ob,FLAG_WIZ) && pl->ob->contr->hidden)
                && draw_exit
                && (pl->state != ST_GET_NAME && pl->state!=ST_GET_PASSWORD && pl->state != ST_CONFIRM_PASSWORD))
              {
                char buf[MAX_BUF];
                sprintf (buf, "%s left the game.", pl->ob->name);
                new_draw_info(NDI_UNIQUE | NDI_ALL | NDI_DK_ORANGE, 5, NULL, buf);
              }

            if (!QUERY_FLAG (pl->ob, FLAG_REMOVED))
              leave_map (pl->ob);

            pl->ob->type = DEAD_OBJECT; /* To avoid problems with inventory window */
          }
    }
}

int forbid_play(void)
{
#if !defined(_IBMR2) && !defined(___IBMR2) && defined(PERM_FILE)
    char buf[MAX_BUF], day[MAX_BUF];
    FILE *fp;
    time_t clock;
    struct tm *tm;
    int i, start, stop, forbit=0, comp;

    clock = time (NULL);
    tm = (struct tm *) localtime (&clock);

    sprintf (buf, "%s/%s", settings.confdir, PERM_FILE);
    if ((fp = open_and_uncompress(buf, 0, &comp)) == NULL)
        return 0;

    while (fgets (buf, MAX_BUF, fp)) {
        if (buf[0]=='#') continue;
        if (!strncmp (buf, "msg", 3)) {
            if (forbit)
                while (fgets (buf, MAX_BUF, fp))  /* print message */
                    fputs (buf, logfile);
            break;

        } else if (sscanf (buf, "%s %d%*c%d\n", day, &start, &stop) != 3) {
            LOG(llevDebug, "Warning: Incomplete line in permission file ignored.\n");
            continue;
        }

        for (i=0; i< 7; i++) {
            if (!strncmp (buf, days[i], 3) && (tm->tm_wday == i) && 
                (tm->tm_hour >= start) && (tm->tm_hour < stop))
                forbit = 1;
        }
    }

    close_and_delete(fp, comp);

    return forbit;
#else
    return 0;
#endif
}

/*
 *  do_specials() is a collection of functions to call from time to time.
 * Modified 2000-1-14 MSW to use the global pticks count to determine how
 * often to do things.  This will allow us to spred them out more often.
 * I use prime numbers for the factor count - in that way, it is less likely
 * these actions will fall on the same tick (compared to say using 500/2500/15000
 * which would mean on that 15,000 tick count a whole bunch of stuff gets
 * done).  Of course, there can still be times where multiple specials are
 * done on the same tick, but that will happen very infrequently
 *
 * I also think this code makes it easier to see how often we really are
 * doing the various things.
 */

extern unsigned long todtick;

void do_specials(void) {

#ifdef WATCHDOG
    if (!(pticks % 503))
        watchdog();
#endif

    if (!(pticks % PTICKS_PER_CLOCK))
        tick_the_clock();

    if (!(pticks % 509))
        flush_old_maps();    /* Clears the tmp-files of maps which have reset */

    if (!(pticks % 2503))
        fix_weight();        /* Hack to fix weightproblems caused by bugs */

    if (!(pticks % 2521))
        metaserver_update();    /* 2500 ticks is about 5 minutes */

    if (!(pticks % 5003))
        write_book_archive();

    if (!(pticks % 5009))
        clean_friendly_list();

    if (!(pticks % 5011))
        obsolete_parties();

    if (!(pticks % 12503))
      fix_luck();
}

/*
 * sleep_delta checks how much time has elapsed since last tick.
 * If it is less than max_time, the remaining time is slept with select().
 */

void
sleep_delta(void)
{
  extern long max_time;
  extern struct timeval last_time;
  extern long process_utime_long_count;
  extern void cfperl_sleep (double delta);

  struct timeval new_time;
  GETTIMEOFDAY (&new_time);

  long sleep_sec  = last_time.tv_sec - new_time.tv_sec;
  long sleep_usec = max_time - (new_time.tv_usec - last_time.tv_usec);

  /* This is very ugly, but probably the fastest for our use: */
  while (sleep_usec < 0) {
    sleep_usec += 1000000;
    sleep_sec -= 1;
  }
  while (sleep_usec > 1000000) {
    sleep_usec -= 1000000;
    sleep_sec += 1;
  }

  log_time((new_time.tv_sec - last_time.tv_sec)*1000000
           + new_time.tv_usec - last_time.tv_usec);

  /*
   * Set last_time to when we're expected to wake up:
   */
  last_time.tv_usec += max_time;
  while (last_time.tv_usec > 1000000) {
    last_time.tv_usec -= 1000000;
    last_time.tv_sec++;
  }

  /*
   * Don't do too much catching up:
   * (Things can still get jerky on a slow/loaded computer)
   */
  if (last_time.tv_sec * 1000000 + last_time.tv_usec <
      new_time.tv_sec * 1000000 + new_time.tv_usec)
  {
    last_time.tv_sec = new_time.tv_sec;
    last_time.tv_usec = new_time.tv_usec;
  }

  if (sleep_sec >= 0 && sleep_usec > 0)
    cfperl_sleep (sleep_sec + sleep_usec * 1e-6);
  else
    process_utime_long_count++;
}

int main(int argc, char **argv)
{
#ifdef WIN32 /* ---win32 this sets the win32 from 0d0a to 0a handling */
    _fmode = _O_BINARY ;
    bRunning = 1;
#endif

#ifdef DEBUG_MALLOC_LEVEL
  malloc_debug(DEBUG_MALLOC_LEVEL);
#endif

  settings.argc=argc;
  settings.argv=argv;
  init(argc, argv);
  initPlugins();        /* GROS - Init the Plugins */
#ifdef WIN32
  while ( bRunning )
      {
#else
  for(;;) {
#endif 
    nroferrors = 0;

    doeric_server();
    process_events(NULL);    /* "do" something with objects with speed */
    cftimer_process_timers();/* Process the crossfire Timers */    
    /* Lauwenmark : Here we handle the CLOCK global event */
    execute_global_event(EVENT_CLOCK);
    flush_sockets();
    check_active_maps(); /* Removes unused maps after a certain timeout */
    do_specials();       /* Routines called from time to time. */

    sleep_delta();      /* Slepp proper amount of time before next tick */
  }
  emergency_save( 0 );
  cleanup( );
  return 0;
}
Revision:	1.2
Committed:	Tue Aug 15 18:07:25 2006 UTC (17 years, 9 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+59 -1 lines
Log Message:	use perl's event loop as mainloop