server/common/loader.l

%{
/*
 * static char *rcsid_object_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
*/

/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
   sub/add_weight will transcend the environment updating the carrying
   variable. */


#include <global.h>
#include <loader.h>
#include <newserver.h>
#include <sproto.h>

#define YY_DECL int lex_load(object *op, object_thawer &thawer, int map_flags)

static char *yval();

static int lex_error;
static char msgbuf[65536];
static char lorebuf[65536];

/* Maps the MOVE_* values to names */
static const char *const move_name[] = {"walk", "fly_low", "fly_high", "swim", "boat",
    NULL};

/* This table is only necessary to convert objects that existed before the
 * spell object conversion to the new object.  It was not practical
 * to go through every mapping looking for every potion, rod, wand, etc
 * that had a sp set and update to the new value.  So this maps the
 * old spell numbers to the name of the new archs.
 * If you are adding a new spell, you should not modify this - you
 * new spell won't have been used, and thus won't have any legacy object.
 * NULL entries in this table are valid - to denote objects that should
 * not be updated for whatever reason.
 */
const char *spell_mapping[] = {
"spell_magic_bullet",           /* 0 */
"spell_small_fireball",         /* 1 */
"spell_medium_fireball",        /* 2 */
"spell_large_fireball",         /* 3 */
"spell_burning_hands",          /* 4 */
"spell_sm_lightning",           /* 5 */
"spell_large_lightning",        /* 6 */
"spell_magic_missile",          /* 7 */
"spell_create_bomb",            /* 8 */
"spell_summon_golem",           /* 9 */
"spell_summon_fire_elemental",  /* 10 */
"spell_summon_earth_elemental", /* 11 */
"spell_summon_water_elemental", /* 12 */
"spell_summon_air_elemental",   /* 13 */
"spell_dimension_door",         /* 14 */
"spell_create_earth_wall",      /* 15 */
"spell_paralyze",               /* 16 */
"spell_icestorm",               /* 17 */
"spell_magic_mapping",          /* 18 */
"spell_turn_undead",            /* 19 */
"spell_fear",                   /* 20 */
"spell_poison_cloud",           /* 21 */
"spell_wonder",                 /* 22 */
"spell_destruction",            /* 23 */
"spell_perceive_self",          /* 24 */
"spell_word_of_recall",         /* 25 */
"spell_invisible",              /* 26 */
"spell_invisible_to_undead",    /* 27 */
"spell_probe",                  /* 28 */
"spell_lg_magic_bullet",        /* 29 */
"spell_improved_invisibility",  /* 30 */
"spell_holy_word",              /* 31 */
"spell_minor_healing",          /* 32 */
"spell_medium_healing",         /* 33 */
"spell_major_healing",          /* 34 */
"spell_heal",                   /* 35 */
"spell_create_food",            /* 36 */
"spell_earth_to_dust",          /* 37 */
"spell_armour",                 /* 38 */
"spell_strength",               /* 39 */
"spell_dexterity",              /* 40 */
"spell_constitution",           /* 41 */
"spell_charisma",               /* 42 */
"spell_create_fire_wall",       /* 43 */
"spell_create_frost_wall",      /* 44 */
"spell_protection_from_cold",   /* 45 */
"spell_protection_from_electricity",    /* 46 */
"spell_protection_from_fire",   /* 47 */
"spell_protection_from_poison", /* 48 */
"spell_protection_from_slow",   /* 49 */
"spell_protection_from_paralysis",      /* 50 */
"spell_protection_from_draining",       /* 51 */
"spell_protection_from_magic",  /* 52 */
"spell_protection_from_attack", /* 53 */
"spell_levitate",               /* 54 */
"spell_small_speedball",        /* 55 */
"spell_large_speedball",        /* 56 */
"spell_hellfire",               /* 57 */
"spell_dragonbreath",           /* 58 */
"spell_large_icestorm",         /* 59 */
"spell_charging",               /* 60 */
"spell_polymorph",              /* 61 */
"spell_cancellation",           /* 62 */
"spell_confusion",              /* 63 */
"spell_mass_confusion",         /* 64 */
"spell_summon_pet_monster",     /* 65 */
"spell_slow",                   /* 66 */
"spell_regenerate_spellpoints", /* 67 */
"spell_cure_poison",            /* 68 */
"spell_protection_from_confusion",      /* 69 */
"spell_protection_from_cancellation",   /* 70 */
"spell_protection_from_depletion",      /* 71 */
"spell_alchemy",                /* 72 */
"spell_remove_curse",           /* 73 */
"spell_remove_damnation",       /* 74 */
"spell_identify",               /* 75*/
"spell_detect_magic",           /* 76 */
"spell_detect_monster",         /* 77 */
"spell_detect_evil",            /* 78 */
"spell_detect_curse",           /* 79 */
"spell_heroism",                /* 80 */
"spell_aggravation",            /* 81 */
"spell_firebolt",               /* 82 */
"spell_frostbolt",              /* 83 */
"spell_shockwave",              /* 84 */
"spell_color_spray",            /* 85 */
"spell_haste",                  /* 86 */
"spell_face_of_death",          /* 87 */
"spell_ball_lightning",         /* 88 */
"spell_meteor_swarm",           /* 89 */
"spell_comet",                  /* 90 */
"spell_mystic_fist",            /* 91 */
"spell_raise_dead",             /* 92 */
"spell_resurrection",           /* 93 */
"spell_reincarnation",          /* 94 */
"spell_immunity_to_cold",       /* 95 */
"spell_immunity_to_electricity",/* 96 */
"spell_immunity_to_fire",       /* 97 */
"spell_immunity_to_poison",     /* 98 */
"spell_immunity_to_slow",       /* 99 */
"spell_immunity_to_paralysis",  /* 100 */
"spell_immunity_to_draining",   /* 101 */
"spell_immunity_to_magic",      /* 102 */
"spell_immunity_to_attack",     /* 103 */
"spell_invulnerability",        /* 104 */
"spell_defense",                /* 105 */
"spell_rune_of_fire",           /* 106 */
"spell_rune_of_frost",          /* 107 */
"spell_rune_of_shocking",       /* 108 */
"spell_rune_of_blasting",       /* 109 */
"spell_rune_of_death",          /* 110 */
"spell_marking_rune",           /* 111 */
"spell_build_director",         /* 112 */
"spell_create_pool_of_chaos",   /* 113 */
"spell_build_bullet_wall",      /* 114 */
"spell_build_lightning_wall",   /* 115 */
"spell_build_fireball_wall",    /* 116 */
"spell_magic_rune",             /* 117 */
"spell_rune_of_magic_drain",    /* 118 */
"spell_antimagic_rune",         /* 119 */
"spell_rune_of_transference",   /* 120 */
"spell_transference",           /* 121 */
"spell_magic_drain",            /* 122 */
"spell_counterspell",           /* 123 */
"spell_disarm",                 /* 124 */
"spell_cure_confusion",         /* 125 */
"spell_restoration",            /* 126 */
"was summon evil monster",      /* 127 */   /* Not implenented as nothing used it */
"spell_counterwall",            /* 128 */
"spell_cause_light_wounds",     /* 129 */
"spell_cause_medium_wounds",    /* 130 */
"spell_cause_heavy_wounds",     /* 131 */
"spell_charm_monsters",         /* 132 */
"spell_banishment",             /* 133 */
"spell_create_missile",         /* 134 */
"spell_show_invisible",         /* 135 */
"spell_xray",                   /* 136 */
"spell_pacify",                 /* 137 */
"spell_summon_fog",             /* 138 */
"spell_steambolt",              /* 139 */
"spell_command_undead",         /* 140 */
"spell_holy_orb",               /* 141 */
"spell_summon_avatar",          /* 142 */
"spell_holy_possession",        /* 143 */
"spell_bless",                  /* 144 */
"spell_curse",                  /* 145 */
"spell_regeneration",           /* 146 */
"spell_consecrate",             /* 147 */
"spell_summon_cult_monsters",   /* 148 */
"spell_cause_critical_wounds",  /* 149 */
"spell_holy_wrath",             /* 150 */
"spell_retributive_strike",     /* 151 */
"spell_finger_of_death",        /* 152 */
"spell_insect_plague",          /* 153 */
"spell_call_holy_servant",      /* 154 */
"spell_wall_of_thorns",         /* 155 */
"spell_staff_to_snake",         /* 156 */
"spell_light",                  /* 157 */
"spell_darkness",               /* 158 */
"spell_nightfall",              /* 159 */
"spell_daylight",               /* 160 */
"spell_sunspear",               /* 161 */
"spell_faery_fire",             /* 162 */
"spell_cure_blindness",         /* 163 */
"spell_dark_vision",            /* 164 */
"spell_bullet_swarm",           /* 165 */
"spell_bullet_storm",           /* 166 */
"spell_cause_many_wounds",      /* 167 */
"spell_small_snowstorm",        /* 168 */
"spell_medium_snowstorm",       /* 169 */
"spell_large_snowstorm",        /* 170 */
"spell_cure_disease",           /* 171 */
"spell_cause_red_death",        /* 172 */
"spell_cause_flu",              /* 173 */
"spell_cause_black_death",      /* 174 */
"spell_cause_leprosy",          /* 175 */
"spell_cause_smallpox",         /* 176 */
"spell_cause_white_death",      /* 177 */
"spell_cause_anthrax",          /* 178 */
"spell_cause_typhoid",          /* 179 */
"spell_mana_blast",             /* 180 */
"spell_small_manaball",         /* 181 */
"spell_medium_manaball",        /* 182 */
"spell_large_manaball",         /* 183 */
"spell_manabolt",               /* 184 */
"spell_dancing_sword",          /* 185 */
"spell_animate_weapon",         /* 186 */
"spell_cause_cold",             /* 187 */
"spell_divine_shock",           /* 188 */
"spell_windstorm",              /* 189 */
"spell_sanctuary",              /* 190 */
"spell_peace",                  /* 191 */
"spell_spiderweb",              /* 192 */
"spell_conflict",               /* 193 */
"spell_rage",                   /* 194 */
"spell_forked_lightning",       /* 195 */
"spell_poison_fog",             /* 196 */
"spell_flaming_aura",           /* 197 */
"spell_vitriol",                /* 198 */
"spell_vitriol_splash",         /* 199 */
"spell_iron_skin",              /* 200 */
"spell_wrathful_eye",           /* 201 */
"spell_town_portal",            /* 202 */
"spell_missile_swarm",          /* 203 */
"spell_cause_rabies",           /* 204 */
"spell_glyph",                  /* 205 */
NULL
};

#define SET_OR_CLEAR_FLAG(op, flag, val) \
        { if (val) SET_FLAG(op, flag); else CLEAR_FLAG(op, flag); }

#define SET_RESIST(op, type, val)  op->resist[type] = val;

#define IVAL    atoi(yval())
#define FVAL    atof(yval())
extern int arch_init;

/* Put this here since it is used below */
static void set_protection(object *op, uint32 mask, uint16 pro_val)
{
    int i;

    if (!mask) return;  /* Unlikely, but might as well check */
    for (i=0; i<NROFATTACKS; i++) {
        if (mask & (1<<i)) SET_RESIST(op, i, pro_val);
    }
}


static void set_body_info(object *op, char *params) {
    int i;
    char *cp;

    /* go to first space character */
    for (cp=params; !isspace(*cp); cp++) ;

    *cp++ = 0;  /* null it out */

    for (i=0; i<NUM_BODY_LOCATIONS; i++) {
        if (!strcmp(params, body_locations[i].save_name)) {
            op->body_info[i] = atoi(cp);
            return;     /* Only one line passed in params */
        }
    }
    LOG(llevError,"set_body_info called with bogus params: %s\n", params);
}

// return a suitable strign describign an objetc in enough detail to find it
// used only in check_loaded_object: TODO remove static, move it elsewhere and
// use it in more log messages.
static char *op_debug_info_ (object *op, char *info)
{
   char info2[256 * 3];
   char *p = info;

   p += snprintf (p, 256, "%d=\"%s%s%s\"",
         op->count,
         op->name ? (const char *)op->name : "(anon)",
         op->title ? " " : "",
         op->title ? (const char *)op->title : "");

   if (op->env)
      p += snprintf (p, 256, "(in %s)", op_debug_info_ (op->env, info2));

   if (op->map)
      p += snprintf (p, 256, "(on %s@%d+%d)", op->map->path, op->x, op->y);

   return info;
}

static char *op_debug_info (object *op)
{
   static char info[256 * 3];

   return op_debug_info_ (op, info);
}

/* This function checks the object after it has been loaded (when we
 * get the 'end' in the input stream).  This function can be used to 
 * deal with legacy objects where fields may have changed.  It can also be used
 * to check for objects to make sure there are no common errors.
 */
static void check_loaded_object(object *op) {
    int ip;

    /* We do some specialized handling to handle legacy cases of name_pl.
     * If the object doesn't have a name_pl, we just use the object name -
     * this isn't perfect (things won't be properly pluralized), but works to
     * that degree (5 heart is still quite understandable).  But the case we
     * also have to catch is if this object is not using the normal name for
     * the object.  In that case, we also want to use the loaded name.
     * Otherwise, what happens is that the the plural name will lose
     * information (appear as just 'hearts' and not 'goblins heart') 
     */
    if (op->arch && op->name != op->arch->clone.name && op->name_pl == op->arch->clone.name_pl)
      op->name_pl = NULL;

    if (!op->name_pl) op->name_pl = op->name;

    /* objects now have a materialname.  try to patch it in */
    if (!(IS_WEAPON(op) && op->level > 0)) {
        if (op->map != NULL)
            set_materialname(op, op->map->difficulty, NULL);
        else
            set_materialname(op, 5, NULL);
    }
    /* only do these when program is first run - a bit
     * excessive to do this at every run - most of this is
     * really just to catch any errors - program will still run, but
     * not in the ideal fashion.
     */
    if ((op->type == WEAPON || op->type==BOW) && arch_init) {
        if (!op->skill) {
            LOG(llevError,"Weapon %s lacks a skill.\n", op_debug_info (op));
        } else if ((!strcmp(op->skill,"one handed weapons") && op->body_info[1] != -1) ||
            (!strcmp(op->skill,"two handed weapons") && op->body_info[1] != -2)) {
            LOG(llevError,"weapon %s arm usage does not match skill: %d, %s\n",
                op_debug_info (op), op->body_info[1], &op->skill);
        }
    }

    /* We changed last_heal to gen_sp_armour, which is what it
     * really does for many objects.  Need to catch any in maps
     * that may have an old value.
     */
    if ((op->type == WEAPON) ||
        (op->type == ARMOUR)   || (op->type == HELMET) ||
        (op->type == SHIELD)   || (op->type == RING) ||
        (op->type == BOOTS)    || (op->type == GLOVES) ||
        (op->type == AMULET )  || (op->type == GIRDLE) ||
        (op->type == BRACERS ) || (op->type == CLOAK)) {
        if (op->last_heal) {
            LOG(llevDebug,"Object %s still has last_heal set, not gen_sp_armour\n", op_debug_info (op));
            op->gen_sp_armour = op->last_heal;
            op->last_heal = 0;
        }
        if (editor) ip =0;
        else ip = calc_item_power(op, 0);
        /* Legacy objects from before item power was in the game */
        if (!op->item_power && ip) {
            if (ip > 3) {
                LOG(llevDebug,"Object %s had no item power, using %d\n", op_debug_info (op), ip);
            }
            op->item_power = ip;
        }
        /* Check for possibly bogus values.  Has to meet both these criteria -
         * something that has item_power 1 is probably just fine if our calculated
         * value is 1 or 2 - these values are small enough that hard to be precise.
         * similarly, it item_power is 0, the first check will always pass,
         * but not the second one.
         */
        if (ip > 2 *op->item_power && ip > (op->item_power + 3)) {
            LOG(llevDebug,"Object %s seems to have too low item power? %d > %d\n",
                op_debug_info (op), ip, op->item_power);
        }

    }
    /* Old spellcasting object - need to load in the appropiate object */
    if ((op->type == ROD || op->type == WAND || op->type == SCROLL || op->type == HORN
        || op->type == FIREWALL ||
          /* POTIONS and ALTARS don't always cast spells, but if they do, update them */
          ((op->type == POTION || op->type == ALTAR) && op->stats.sp)) && !op->inv && !arch_init)  {
        object *tmp;

        /* Fireall is bizarre in that spell type was stored in dam.  Rest are 'normal'
         * in that spell was stored in sp.
         */
        tmp = get_archetype(spell_mapping[op->type == FIREWALL?op->stats.dam:op->stats.sp]);
        insert_ob_in_ob(tmp, op);
        op->randomitems = NULL; /* So another spell isn't created for this object */
    }
    /* spellbooks & runes use slaying.  But not to arch name, but to spell name */

    if ((op->type == SPELLBOOK || op->type == RUNE) && op->slaying && !op->inv && !arch_init) {
        object *tmp;

        tmp = get_archetype_by_object_name(op->slaying);
        insert_ob_in_ob(tmp, op);
        op->randomitems = NULL; /* So another spell isn't created for this object */
        /* without this, value is all screwed up */
        op->value = op->arch->clone.value * op->inv->value;
    }

    if (QUERY_FLAG(op, FLAG_MONSTER)) {
        if (op->stats.hp > op->stats.maxhp)
            LOG(llevDebug,"Monster %s has hp set higher than maxhp (%d>%d)\n",
                op_debug_info (op),
                op->stats.hp, op->stats.maxhp);

        /* The archs just need to be updated for this */
        if (op->move_type ==0) op->move_type = MOVE_WALK;
    }
    if ((QUERY_FLAG(op,FLAG_GENERATOR) && QUERY_FLAG(op,FLAG_CONTENT_ON_GEN))
    || op->type == CREATOR
    || op->type == CONVERTER) {
        /* Object will duplicate it's content as part of the
         * generation process. To do this, we must flag inventory
         * so it remains unevaluated concerning the randomitems and
         * the living (a demonlord shouldn't cast from inside generator!)
         */
        flag_inv(op,FLAG_IS_A_TEMPLATE);
    }

    /* Handle player movers.  We use move_type for player movers
     * because they operate on their own time (move_on
     * would potentially cause them to be triggered when someone steps
     * on them).  If move_type is set, presume person knows what they
     * are doing, otherwise, set move_type based on maxhp value.
     */
    if (op->type == PLAYERMOVER) {
        if (!op->move_type) {
            if (op->stats.maxhp) {
                op->move_type = MOVE_ALL;
                op->stats.maxhp=0;
            } else {
                op->move_type = MOVE_WALK;
            }
        }
    }

}

/* This extracts the key/value from the yytext field -
 * calls set_ob_key_value() to actually set the value.
 * Function basically has to find spaces, strip out extra,
 * etc.  strchr doesn't work as good because could also
 * be tabs.
 */
static void add_key_value(object * op) {
    char * key = NULL;
    char * value = NULL;
    char * cp;
    char * end;
    
    /* First, skip over leading whitespace. */
    for (cp = yytext; isspace(*cp); cp++) { ; }
    
    key = cp;

    /* Now look for the end of the key/field name. */
    for (; !isspace(*cp); cp++) {
        if (*cp == '\0') {
            /* Oops, ran out of string! Set the key with an empty value. */
            set_ob_key_value(op, key, NULL, TRUE);
            return;
        }
    }
    
    if (*cp == '\0') {
        set_ob_key_value(op, key, NULL, TRUE);
        return;    
    }
    
    /* Chop off the key, and start at the next character. */
    *cp = '\0';
    cp++;
    if (*cp == '\0') {
        /* Was followed by one space? */
        set_ob_key_value(op, key, NULL, TRUE);
        return;    
    }
    
    /* Now looking for the value. Skip over whitespace. */
    for (; isspace(*cp); cp++) {
        if (*cp == '\0') {
            /* Guess not. */
            set_ob_key_value(op, key, NULL, TRUE);
            return;
        }
    }
    
    value = cp;
    
    /* Got last character before null and strip
     * off tailing whitespace
     */
    for (end = value + (strlen(cp)-1); isspace(*end); end--) {
        if (end == value) {
            /* *blink blink* Still no value? */
            set_ob_key_value(op, key, NULL, TRUE);
            return;
        }
        *end='\0';
    }
    set_ob_key_value(op, key, value, TRUE);    
}

static void set_move(MoveType *mt, char *params) {
    char *str;
    int i, negate;

    if (isdigit(*params)) {
        *mt = atoi(params);
    } else {
        *mt=0;
        for (str=strtok(params, " "); str; str=strtok(NULL, " ")) {
            negate=0;
            if (!strcasecmp(str, "all"))
                *mt |= MOVE_ALL;
            else {
                if (*str=='-') {
                    negate = 1;
                    str++;
                }
                for (i=0; move_name[i] != NULL; i++)  {
                    if (!strcasecmp(move_name[i], str)) {
                        if (negate) {
                            *mt &= ~(1<<i);
                        } else {
                            *mt |= (1<<i);
                        }
                        break;
                    }
                }
                if (move_name[i] == NULL) {
                    /* fly is a special case - covers both fly_low and
                     * fly_high - since it doesn't match to a specific
                     * single bit, have to special case it.
                     */
                    if (!strcasecmp(str,"flying")) {
                        if (negate) {
                            *mt &= ~MOVE_FLYING;
                        } else {
                            *mt |= MOVE_FLYING;
                        }
                    } else {
                        LOG(llevDebug, "common/loader.l: set_move - unknown move string '%s'\n", str);
                    }
                }
            } /* Else not all move types */
        } /* for strtok */
    } /* Else not a numeric value */
}

%}


S       [ \t]+.*
WS      [ \t]*
A       .+

%x MESSAGE
%x LORE
%x SCRIPT

/* Don't have to link with -lfl with this */
%option noyywrap

/* need yy_push_state, yy_pop_state */
%option stack

%%

%{
/* Declare some local variables */
    int ismore=0;

    lex_error=0;

%}

^msg{WS}$           {   BEGIN( MESSAGE ); msgbuf[0]='\0'; }
<MESSAGE>^endmsg{WS}$ { BEGIN( INITIAL );
                        /* Just print a warning so we can be reasonably safe
                         * about not overflowing the buffer.
                         */
                        if (strlen(msgbuf) >= HUGE_BUF)
                          {
                            LOG(llevDebug, "\n\tError message length >= %d: %d\n>%.80s<\n",
                                HUGE_BUF, strlen(op->msg), &op->msg);
                            op->msg = "ERROR, please report: string too long, winged.\n";
                          }
                        else
                          op->msg = msgbuf;
                    }
<MESSAGE>.*         {strcat(msgbuf, yytext); strcat(msgbuf,"\n"); }

^lore{WS}$          {   BEGIN( LORE ); lorebuf[0]='\0'; }
<LORE>^endlore{WS}$ {   BEGIN( INITIAL );
                        op->lore=lorebuf;
                        /* Just print a warning so we can be reasonably safe
                         * about not overflowing the buffer.
                         */
                        if (strlen(op->lore) > (HUGE_BUF/2))
                            LOG(llevDebug, "\n\tWarning lore length > %d (max allowed=%d): %d\n>%.80s<\n",
                                HUGE_BUF/2, HUGE_BUF, strlen(op->lore), &op->lore);
                    }
<LORE>.*            {strcat(lorebuf, yytext); strcat(lorebuf,"\n"); }

^object{S}          {   char *yv=yval();

                        if (*yv=='\0') {
                            LOG(llevError,"Object lacks name.\n");
                            return LL_IGNORED;
                        }
                        if (!arch_init) {
                            LOG(llevError,"Got object info when not in arch_init (%s)?\n", yv);
                        } else {
                            if (op->arch!=NULL) op->arch->name=yv;
                            op->name = yv;
                        }
                    }

^name{S}            {   char *yv=yval();

                        if (*yv=='\0') LOG(llevError,"Name without val\n");
                        else op->name = yv;
                    }
^name_pl{S}         {   char *yv=yval();

                        if (*yv=='\0') LOG(llevError,"Name without val\n");
                        else op->name_pl = yv;
                    }
^attach{S}          op->attach = yval ();
^skill{S}           op->skill = yval();
^custom_name{S}     {   char *yv=yval();

                        if (*yv=='\0') LOG(llevError,"Custom name without val\n");
                        else op->custom_name = yv;
                    }
^race{S}            op->race = yval();
^slaying{S}         op->slaying = yval();
^inventory.*$       LOG(llevError,"Got depreciated Inventory command?\n");


^arch{S}         {      /* If op->arch has been set, then this new object
                         * must be part of the inventory.  So process
                         * appropriately.
                         */
                        if (op->arch) {
                            object *tmp;
                            char *yv=yval();

                            archetype *arch = find_archetype(yv);
                            if (arch!=NULL)
                                tmp = arch_to_object (arch);
                            else {
                                tmp = get_object ();
                                /* record the name of the broken object */
                                tmp->name = yv;
                            }
                            strcpy(msgbuf, "");
                            strcpy(lorebuf, "");
                            lex_load(tmp, thawer, map_flags);
                            if (tmp->arch) {
                                insert_ob_in_ob(tmp,op);
                            }
                            else {
                                LOG(llevDebug,"Discarding object without arch: %s\n", tmp->name?(const char *)tmp->name:"(null)");
                                free_object(tmp);
                            }
                        }
                        /* This is the actual archetype definition then */
                        else {
                            char *yv=yval();

                            op->arch=find_archetype(yv);
                            if (op->arch!=NULL) {
                               copy_object(&op->arch->clone,op);
                            } else if (!arch_init) {
                                /* record the name of the broken object */
                                op->name = yv;
                            }
                        }
                    }

^other_arch{S}        op->other_arch=find_archetype(yval());
^animation{S}       {
                        if (strcmp (yval(), "NONE") == 0) {
                            op->animation_id = 0;
                            CLEAR_FLAG (op, FLAG_ANIMATE);
                        } else {
                            op->animation_id = find_animation (yval());
                            SET_FLAG (op, FLAG_ANIMATE);
                        }
                    }

^more{WS}$          { /* We need to record that this is a multipart object,
                       * so the calling function can glue things back together
                       */
                        ismore=1;
                    }
^end{WS}$           {   check_loaded_object(op);

                        if (!arch_init) 
                          op->instantiate ();

                        if (ismore) return LL_MORE; 
                        else return LL_NORMAL;
                    }
^oid{S}             {
                        thawer.get (op, IVAL);
                    }
^last_heal{S}       op->last_heal = IVAL;
^last_sp{S}         op->last_sp = IVAL;
^last_grace{S}      op->last_grace = IVAL;
^last_eat{S}        op->last_eat = IVAL;
^speed{S}           {   op->speed = FVAL;
                        if (!(map_flags & MAP_STYLE)) {
                            if (op->speed<0) op->speed_left = op->speed_left-RANDOM()%100/100.0;
                            update_ob_speed(op);
                        }
                    }
^speed_left{S}    op->speed_left = FVAL;
^slow_move{S}       {   op->move_slow |= MOVE_WALK;
                        op->move_slow_penalty = FVAL;
                    }
^title{S}           {   char *y=yval();
                        if (*y=='\0') LOG(llevError,"Title without value.\n");
                        else op->title = y;
                    }

^face{S}        op->face = &new_faces[FindFace(yval(), 0)];
^str{S}         op->stats.Str = IVAL;
^dex{S}         op->stats.Dex = IVAL;
^con{S}         op->stats.Con = IVAL;
^wis{S}         op->stats.Wis = IVAL;
^cha{S}         op->stats.Cha = IVAL;
^int{S}         op->stats.Int = IVAL;
^pow{S}         op->stats.Pow = IVAL;
^hp{S}          op->stats.hp = IVAL;
^maxhp{S}       op->stats.maxhp = IVAL;
^sp{S}          op->stats.sp = IVAL;
^maxsp{S}       op->stats.maxsp = IVAL;
^grace{S}       op->stats.grace = IVAL;
^maxgrace{S}    op->stats.maxgrace = IVAL;
^exp{S}         op->stats.exp = atoll(yval());
^perm_exp{S}    op->perm_exp = atoll(yval());
^food{S}        op->stats.food = IVAL;
^dam{S}         op->stats.dam = IVAL;
^wc{S}          op->stats.wc = IVAL;
^ac{S}          op->stats.ac = IVAL;
^x{S}           {op->x = IVAL; op->ox= op->x; }
^y{S}           {op->y = IVAL; op->oy= op->y; }
^nrof{S}        op->nrof= atol(yval());
^level{S}       op->level = IVAL;
^direction{S}   op->direction = IVAL;
^type{S}        op->type = IVAL;
^subtype{S}     op->subtype = IVAL;
^material{S}    op->material = IVAL;
^materialname{S}    {   char *yv=yval();
                        if (*yv=='\0')
                            LOG(llevError,"Materialname without val\n");
                        else
                            op->materialname = yv;
                    }

^value{S}       op->value = IVAL;
^weight{S}      op->weight = atol(yval());
^carrying{S}    op->carrying = atol(yval());
^attacktype{S}  op->attacktype = IVAL;
^path_attuned{S}  op->path_attuned = IVAL;
^path_repelled{S} op->path_repelled = IVAL;
^path_denied{S}   op->path_denied = IVAL;
^invisible{S}       op->invisible = IVAL;
^magic{S}           op->magic = IVAL;
^state{S}           op->state = IVAL;
^alive{S}           SET_OR_CLEAR_FLAG(op, FLAG_ALIVE, IVAL);
^applied{S}         SET_OR_CLEAR_FLAG(op, FLAG_APPLIED, IVAL);
^unpaid{S}          SET_OR_CLEAR_FLAG(op, FLAG_UNPAID, IVAL);
^need_an{S}         { /* not used - just ignore */ }
^need_ie{S}         { /* not used - jsut ignore */ }
^is_animated{S}     SET_OR_CLEAR_FLAG(op, FLAG_ANIMATE, IVAL);
^no_pick{S}         SET_OR_CLEAR_FLAG(op, FLAG_NO_PICK, IVAL);

%{ /* These are all legacy - any new objects should use the move_ .. values */ 
%}
^no_pass{S}         { if (IVAL) op->move_block = MOVE_ALL; else op->move_block=0; }
^walk_on{S}         { if (IVAL) op->move_on |= MOVE_WALK; else op->move_on &= ~MOVE_WALK; }
^walk_off{S}        { if (IVAL) op->move_off |= MOVE_WALK; else op->move_off &= ~MOVE_WALK; }
^fly_on{S}          { if (IVAL) op->move_on |= MOVE_FLY_LOW; else op->move_on &= ~MOVE_FLY_LOW; }
^fly_off{S}         { if (IVAL) op->move_off |= MOVE_FLY_LOW; else op->move_off &= ~MOVE_FLY_LOW; }
^flying{S}          { if (IVAL) op->move_type |= MOVE_FLY_LOW; else op->move_type &= ~MOVE_FLY_LOW; }

%{ /* These are the new values */ 
%}
^move_block{S}      set_move(&op->move_block, yval());
^move_allow{S}      set_move(&op->move_allow, yval());
^move_type{S}       set_move(&op->move_type, yval());
^move_on{S}         set_move(&op->move_on, yval());
^move_off{S}        set_move(&op->move_off, yval());
^move_slow{S}       set_move(&op->move_slow, yval());
^move_slow_penalty{S}       op->move_slow_penalty = FVAL;


^monster{S}         SET_OR_CLEAR_FLAG(op, FLAG_MONSTER, IVAL);
^neutral{S}         SET_OR_CLEAR_FLAG(op, FLAG_NEUTRAL, IVAL);
^no_attack{S}       SET_OR_CLEAR_FLAG(op, FLAG_NO_ATTACK, IVAL);
^no_damage{S}       SET_OR_CLEAR_FLAG(op, FLAG_NO_DAMAGE, IVAL);
^friendly{S}        {   if (IVAL) {
                            SET_FLAG(op, FLAG_FRIENDLY);
                            if (op->type != PLAYER)
                                add_friendly_object (op);
                        }
                        else CLEAR_FLAG(op, FLAG_FRIENDLY);
                    }
^generator{S}       SET_OR_CLEAR_FLAG(op, FLAG_GENERATOR, IVAL);
^use_content_on_gen{S} SET_OR_CLEAR_FLAG (op,FLAG_CONTENT_ON_GEN, IVAL);
^is_thrown{S}       SET_OR_CLEAR_FLAG(op, FLAG_IS_THROWN, IVAL);
^auto_apply{S}      SET_OR_CLEAR_FLAG(op, FLAG_AUTO_APPLY, IVAL);
^treasure{S}        SET_OR_CLEAR_FLAG(op, FLAG_TREASURE, IVAL);
^see_invisible{S}   SET_OR_CLEAR_FLAG(op, FLAG_SEE_INVISIBLE, IVAL);
^can_roll{S}        SET_OR_CLEAR_FLAG(op, FLAG_CAN_ROLL, IVAL);
^overlay_floor{S}   SET_OR_CLEAR_FLAG(op, FLAG_OVERLAY_FLOOR, IVAL);
^is_turnable{S}     SET_OR_CLEAR_FLAG(op, FLAG_IS_TURNABLE, IVAL);
^is_used_up{S}      SET_OR_CLEAR_FLAG(op, FLAG_IS_USED_UP, IVAL);
^identified{S}      {   if (IVAL) {
                            SET_FLAG(op, FLAG_IDENTIFIED);
                            CLEAR_FLAG(op, FLAG_KNOWN_MAGICAL);
                        }
                        else CLEAR_FLAG(op, FLAG_IDENTIFIED);
                    }
^reflecting{S}      SET_OR_CLEAR_FLAG(op, FLAG_REFLECTING, IVAL);
^changing{S}        SET_OR_CLEAR_FLAG(op, FLAG_CHANGING, IVAL);
^splitting{S}       SET_OR_CLEAR_FLAG(op, FLAG_SPLITTING, IVAL);
^hitback{S}         SET_OR_CLEAR_FLAG(op, FLAG_HITBACK, IVAL);
^startequip{S}      SET_OR_CLEAR_FLAG(op, FLAG_STARTEQUIP, IVAL);
^blocksview{S}      SET_OR_CLEAR_FLAG(op, FLAG_BLOCKSVIEW, IVAL);
^editable{S}        op->arch->editable = IVAL;
^editor_folder{S}   { }
^undead{S}          SET_OR_CLEAR_FLAG(op, FLAG_UNDEAD, IVAL);
^scared{S}          SET_OR_CLEAR_FLAG(op, FLAG_SCARED, IVAL);
^unaggressive{S}    SET_OR_CLEAR_FLAG(op, FLAG_UNAGGRESSIVE, IVAL);
^reflect_missile{S} SET_OR_CLEAR_FLAG(op, FLAG_REFL_MISSILE, IVAL);
^reflect_spell{S}   SET_OR_CLEAR_FLAG(op, FLAG_REFL_SPELL, IVAL);
^no_magic{S}        SET_OR_CLEAR_FLAG(op, FLAG_NO_MAGIC, IVAL);
^wiz{S}             {   if (IVAL) {
                            SET_FLAG(op, FLAG_WIZ);
                            SET_FLAG(op, FLAG_WAS_WIZ);
                            SET_FLAG(op, FLAG_WIZPASS);
                            SET_FLAG(op, FLAG_WIZCAST);
                        }
                        else {
                            CLEAR_FLAG(op, FLAG_WIZ);
                            CLEAR_FLAG(op, FLAG_WIZPASS);
                            CLEAR_FLAG(op, FLAG_WIZCAST);
                        }
                    }
^was_wiz{S}         SET_OR_CLEAR_FLAG(op, FLAG_WAS_WIZ, IVAL);
^no_fix_player{S}   SET_OR_CLEAR_FLAG(op, FLAG_NO_FIX_PLAYER, IVAL);
^is_lightable{S}    SET_OR_CLEAR_FLAG(op, FLAG_IS_LIGHTABLE, IVAL);
^tear_down{S}       SET_OR_CLEAR_FLAG(op, FLAG_TEAR_DOWN, IVAL);
^luck{S}            op->stats.luck = IVAL;
^run_away{S}        op->run_away = IVAL;
^pick_up{S}         op->pick_up = IVAL;
^item_power{S}      op->item_power = IVAL;
^gen_sp_armour{S}   op->gen_sp_armour = IVAL;
^anim_speed{S}      op->anim_speed = IVAL;
^container{S}       op->weight_limit = IVAL;
^no_drop{S}         SET_OR_CLEAR_FLAG(op, FLAG_NO_DROP, IVAL);
^will_apply{S}      op->will_apply = IVAL;
^random_movement{S}         SET_OR_CLEAR_FLAG(op, FLAG_RANDOM_MOVE, IVAL);
^can_apply{S}               { }
^can_use_shield{S}  SET_OR_CLEAR_FLAG(op, FLAG_USE_SHIELD, IVAL);
^can_cast_spell{S}          SET_OR_CLEAR_FLAG(op, FLAG_CAST_SPELL, IVAL);
^can_use_scroll{S}          SET_OR_CLEAR_FLAG(op, FLAG_USE_SCROLL, IVAL);
^can_use_range{S}           SET_OR_CLEAR_FLAG(op, FLAG_USE_RANGE, IVAL);
^can_use_bow{S}             SET_OR_CLEAR_FLAG(op, FLAG_USE_BOW, IVAL);
^can_use_armour{S}          SET_OR_CLEAR_FLAG(op, FLAG_USE_ARMOUR, IVAL);
^can_use_weapon{S}          SET_OR_CLEAR_FLAG(op, FLAG_USE_WEAPON, IVAL);
^can_use_ring{S}            SET_OR_CLEAR_FLAG(op, FLAG_USE_RING, IVAL);
^has_ready_bow{S}   SET_OR_CLEAR_FLAG(op, FLAG_READY_BOW, IVAL);
^xrays{S}           SET_OR_CLEAR_FLAG(op, FLAG_XRAYS, IVAL);
^is_floor{S}        SET_OR_CLEAR_FLAG(op, FLAG_IS_FLOOR, IVAL);
^lifesave{S}        SET_OR_CLEAR_FLAG(op, FLAG_LIFESAVE, IVAL);
^no_strength{S}     SET_OR_CLEAR_FLAG(op, FLAG_NO_STRENGTH, IVAL);
^sleep{S}           {
                        SET_OR_CLEAR_FLAG(op, FLAG_SLEEP, IVAL);
                        /*(LOG(llevDebug," Warning: Object %s has sleep set in arch.\n",op->name);*/
                    }
^stand_still{S}     SET_OR_CLEAR_FLAG(op, FLAG_STAND_STILL, IVAL);
^random_move{S}     SET_OR_CLEAR_FLAG(op, FLAG_RANDOM_MOVE, IVAL);
^only_attack{S}     SET_OR_CLEAR_FLAG(op, FLAG_ONLY_ATTACK, IVAL);

^activate_on_push{S}    SET_OR_CLEAR_FLAG(op, FLAG_ACTIVATE_ON_PUSH, IVAL);
^activate_on_release{S} SET_OR_CLEAR_FLAG(op, FLAG_ACTIVATE_ON_RELEASE, IVAL);

    /* armour is loaded for compatiblity reasons */
^armour{S}              SET_RESIST(op, ATNR_PHYSICAL, IVAL);
    /* Start of various attacktypes */
^resist_physical{S}     SET_RESIST(op, ATNR_PHYSICAL, IVAL);
^resist_magic{S}        SET_RESIST(op, ATNR_MAGIC, IVAL);
^resist_fire{S}         SET_RESIST(op, ATNR_FIRE, IVAL);
^resist_electricity{S}  SET_RESIST(op, ATNR_ELECTRICITY, IVAL);
^resist_cold{S}         SET_RESIST(op, ATNR_COLD, IVAL);
^resist_confusion{S}    SET_RESIST(op, ATNR_CONFUSION, IVAL);
^resist_acid{S}         SET_RESIST(op, ATNR_ACID, IVAL);
^resist_drain{S}        SET_RESIST(op, ATNR_DRAIN, IVAL);
^resist_weaponmagic{S}  SET_RESIST(op, ATNR_WEAPONMAGIC, IVAL);
^resist_ghosthit{S}     SET_RESIST(op, ATNR_GHOSTHIT, IVAL);
^resist_poison{S}       SET_RESIST(op, ATNR_POISON, IVAL);
^resist_slow{S}         SET_RESIST(op, ATNR_SLOW, IVAL);
^resist_paralyze{S}     SET_RESIST(op, ATNR_PARALYZE, IVAL);
^resist_turn_undead{S}  SET_RESIST(op, ATNR_TURN_UNDEAD, IVAL);
^resist_fear{S}         SET_RESIST(op, ATNR_FEAR, IVAL);
^resist_cancellation{S} SET_RESIST(op, ATNR_CANCELLATION, IVAL);
^resist_deplete{S}      SET_RESIST(op, ATNR_DEPLETE, IVAL);
^resist_death{S}        SET_RESIST(op, ATNR_DEATH, IVAL);
^resist_chaos{S}        SET_RESIST(op, ATNR_CHAOS, IVAL);
^resist_counterspell{S} SET_RESIST(op, ATNR_COUNTERSPELL, IVAL);
^resist_godpower{S}     SET_RESIST(op, ATNR_GODPOWER, IVAL);
^resist_holyword{S}     SET_RESIST(op, ATNR_HOLYWORD, IVAL);
^resist_blind{S}        SET_RESIST(op, ATNR_BLIND, IVAL);
^resist_internal{S}     SET_RESIST(op, ATNR_INTERNAL, IVAL);
^resist_life_stealing{S}        SET_RESIST(op, ATNR_LIFE_STEALING, IVAL);
^resist_disease{S}      SET_RESIST(op, ATNR_DISEASE, IVAL);

    /* Old style resistances */
^immune{S}              set_protection(op, IVAL, RESIST_IMMUNE);
^protected{S}           set_protection(op, IVAL, RESIST_PROT);
^vulnerable{S}          set_protection(op, IVAL, (uint16) RESIST_VULN);

    /* old values - keep them around for now, but they should be removed at some point */
^has_ready_rod{S}       SET_OR_CLEAR_FLAG(op, FLAG_READY_RANGE, IVAL);
^has_ready_horn{S}      SET_OR_CLEAR_FLAG(op, FLAG_READY_RANGE, IVAL);
^has_ready_wand{S}      SET_OR_CLEAR_FLAG(op, FLAG_READY_RANGE, IVAL);
^can_use_wand{S}        SET_OR_CLEAR_FLAG(op, FLAG_USE_RANGE, IVAL);

^attack_movement{S} op->attack_movement = IVAL;
^move_state{S}      op->move_status = IVAL;
^confused{S}        SET_OR_CLEAR_FLAG(op, FLAG_CONFUSED, IVAL);
^stealth{S}         SET_OR_CLEAR_FLAG(op, FLAG_STEALTH, IVAL);
^connected{S}       add_button_link(op, op->map, IVAL);
^cursed{S}          SET_OR_CLEAR_FLAG(op, FLAG_CURSED, IVAL);
^damned{S}          SET_OR_CLEAR_FLAG(op, FLAG_DAMNED, IVAL);
^see_anywhere{S}    SET_OR_CLEAR_FLAG(op, FLAG_SEE_ANYWHERE, IVAL);
^known_magical{S}   SET_OR_CLEAR_FLAG(op, FLAG_KNOWN_MAGICAL, IVAL);
^known_cursed{S}    SET_OR_CLEAR_FLAG(op, FLAG_KNOWN_CURSED, IVAL);
^can_use_skill{S}   SET_OR_CLEAR_FLAG(op, FLAG_CAN_USE_SKILL, IVAL);
^been_applied{S}    SET_OR_CLEAR_FLAG(op, FLAG_BEEN_APPLIED, IVAL);
^has_ready_scroll{S}    SET_OR_CLEAR_FLAG(op, FLAG_READY_SCROLL, IVAL);
^can_use_rod{S}         SET_OR_CLEAR_FLAG(op, FLAG_USE_ROD, IVAL);
^can_use_horn{S}        SET_OR_CLEAR_FLAG(op, FLAG_USE_HORN, IVAL);
^expmul{S}              op->expmul = FVAL;
^unique{S}              SET_OR_CLEAR_FLAG(op, FLAG_UNIQUE, IVAL);
^make_invisible{S}      SET_OR_CLEAR_FLAG(op, FLAG_MAKE_INVIS, IVAL);
^inv_locked{S}          SET_OR_CLEAR_FLAG(op, FLAG_INV_LOCKED, IVAL);
^is_wooded{S}           SET_OR_CLEAR_FLAG(op, FLAG_IS_WOODED, IVAL);
^is_hilly{S}            SET_OR_CLEAR_FLAG(op, FLAG_IS_HILLY, IVAL);
^is_water{S}            SET_OR_CLEAR_FLAG(op, FLAG_IS_WATER, IVAL);
^has_ready_skill{S}     SET_OR_CLEAR_FLAG(op, FLAG_READY_SKILL, IVAL);
^has_ready_weapon{S}    SET_OR_CLEAR_FLAG(op, FLAG_READY_WEAPON, IVAL);
^no_skill_ident{S}      SET_OR_CLEAR_FLAG(op, FLAG_NO_SKILL_IDENT, IVAL);
^glow_radius{S}         op->glow_radius = IVAL;
^is_blind{S}            SET_OR_CLEAR_FLAG(op, FLAG_BLIND, IVAL);
^can_see_in_dark{S}     SET_OR_CLEAR_FLAG(op, FLAG_SEE_IN_DARK, IVAL);
^is_cauldron{S}         SET_OR_CLEAR_FLAG(op, FLAG_IS_CAULDRON, IVAL);
^randomitems{S}         op->randomitems = find_treasurelist(yval());
^no_steal{S}            SET_OR_CLEAR_FLAG(op, FLAG_NO_STEAL, IVAL);
^one_hit{S}             SET_OR_CLEAR_FLAG(op, FLAG_ONE_HIT, IVAL);
^berserk{S}             SET_OR_CLEAR_FLAG(op, FLAG_BERSERK, IVAL);

^can_knockback{S}       { /* Some archetypes have these values in them */ }
^can_parry{S}           { /* Probably the pupland archetypes - I imagined */ }
^can_impale{S}          { /* That these are for the new combat code */ }
^can_cut{S}             { /* just ignore for now */ }
^can_dam_armour{S}      { }
^weapontype{S}          op->weapontype = IVAL;
^tooltype{S}            op->tooltype = IVAL;
^casting_time{S}        op->casting_time = (sint16) FVAL;
^elevation{S}           op->elevation = IVAL;
^smoothlevel{S}         op->smoothlevel = IVAL;
^client_type{S}         op->client_type = IVAL;
^body_{A}               set_body_info(op, yytext);
^duration{S}            op->duration = IVAL;
^range{S}               op->range = IVAL;
^range_modifier{S}      op->range_modifier = IVAL;
^dam_modifier{S}        op->dam_modifier = IVAL;
^duration_modifier{S}   op->duration_modifier = IVAL;
^is_buildable{S}        SET_OR_CLEAR_FLAG( op, FLAG_IS_BUILDABLE, IVAL );

^event_     {
    LOG (llevError, "stray event_* in map file, skipping.");
}

<*>(^{WS}$)|\n          {/* ignore empty lines, newlines we don't do above */}
#.*\n                   {}

<<EOF>>                 {/* If we got an error, return the error.  Otherwise, return that we got EOF */
                            if (lex_error!=0) return lex_error; else return LL_EOF;}
.*                      { add_key_value(op); }
%%


int yyerror(char *s)
{
  LOG(llevError, "%s: %s\n", s, yytext);
  return -1;
}


/* Our save file syntax is very simple, so we can use a very simple
 * processing mechanism here instead using something like bison
 * This skips over the space and returns the value, or "" if no value
 * is found.  Modified 4/26/2000 to also strip spaces at end of
 * line
 */
static char *yval()
{
    static char *em="";
    char *cp,*end;

    /* First skip over start of line, like animation or name */
   for (cp=yytext; *cp!=' '; cp++) {
        if (*cp=='\0') {
            return em;
        }
   }

    /* Skip over whitespace */
    for (; *cp==' '; cp++) {
        if (*cp=='\0') {
            return em;
        }
    }
    /* Got last character before null and strip
     * off tailing whitespace
     */
    for (end=cp+strlen(cp)-1; *end==' '; end--) {
        if (end==cp) return em;
        *end='\0';
    }
    return cp;
}


/*
 * Loads an object from the given file-pointer.
 * Variables will be read and parsed and patched into the object
 * until the string "end" is reached, or the end of the file.
 *
 * bufstat is used to determine various file attributes:
 *  LO_REPATE (0): We are reading from the same buffer as the last call.
 *  LO_LINEMODE (1): file that is being read from is multi purpose (ie, other functions
 *      will also be reading from this (treasure file, artifacts.)
 *  LO_NEWFILE (2): This is the first read from a particular file, so the buffers should
 *      be reset.
 *  LO_NOREAD (3): Reset the buffers, but don't read from it. (op can be null)
 *
 */

int load_object(object_thawer &fp, object *op, int bufstate, int map_flags) {
    int retval;
    char inbuf[MAX_BUF];

    strcpy(msgbuf, "");
    strcpy(lorebuf, "");
    if (bufstate==LO_NEWFILE || bufstate==LO_NOREAD) {
/*      LOG(llevDebug,"Switching lex buffers\n");*/
        yy_delete_buffer(YY_CURRENT_BUFFER);
        yy_switch_to_buffer(yy_create_buffer(fp, YY_BUF_SIZE));
        if (bufstate==LO_NOREAD) return LL_NORMAL;
    }
    if (bufstate==LO_LINEMODE) {
        YY_BUFFER_STATE  yybufstate;
        while (fgets(inbuf, MAX_BUF-3, fp)) {
            yybufstate=yy_scan_string(inbuf);
            retval=lex_load(op, fp, map_flags);
            yy_delete_buffer(yybufstate);
            if (retval==LL_NORMAL) return retval;
        }
        LOG(llevDebug,"Got eof while scanning strings\n");
        return LL_EOF;
    }

    retval=lex_load(op, fp, map_flags);

/*    LOG(llevDebug," load completed, object=%s\n",op->name);*/
    return retval;
}


/* This takes a buffer, scans it for variables, and sets those variables
 * as appropriate in op.
 *
 * This function appears to be used in only 2 places - in crossedit to
 * override values and in c_wiz to mutate values.
 */
int set_variable(object *op,char *buf) {
    YY_BUFFER_STATE  yybufstate,yycurbuf=YY_CURRENT_BUFFER;
    int retval;
    object_thawer thawer (0);

    strcpy(msgbuf, "");
    strcpy(lorebuf, "");
    yy_push_state(INITIAL);
    yybufstate=yy_scan_string(buf);
    retval=lex_load(op,thawer,0);
    yy_switch_to_buffer(yycurbuf);
    yy_delete_buffer(yybufstate);
    yy_pop_state();
    return retval;
}

/* Start of C code */

/* This array equates the FLAG_ values with the V_ values.  Use -1 to
 * put gaps in the array that should not be processed.
 * The order matches the order of the define values in 'define.h'.
 */
/* This is a list of pointers that correspond to the FLAG_.. values.
 * This is a simple 1:1 mapping - if FLAG_FRIENDLY is 15, then
 * the 15'th element of this array should match that name.
 * If an entry is NULL, that is a flag not to loaded/saved.
 */
static const char *const flag_names[NUM_FLAGS+1] = {
"alive", "wiz", NULL, NULL, "was_wiz", "applied", "unpaid",
"can_use_shield", "no_pick", NULL /* walk_on*/, NULL /* no_pass */, /* 10 */
"is_animated", NULL /* slow_move */, 
NULL /* flying */, "monster", "friendly", "generator",
"is_thrown", "auto_apply", "treasure", "player sold",   /* 20 */
"see_invisible", "can_roll", "overlay_floor",
"is_turnable", NULL /* walk_off */, NULL /* fly_on */,
NULL /*fly_off*/, "is_used_up", "identified", "reflecting",     /* 30 */
"changing", "splitting", "hitback", "startequip",
"blocksview", "undead", "scared", "unaggressive",
"reflect_missile", "reflect_spell",                             /* 40 */
"no_magic", "no_fix_player", "is_lightable", "tear_down", 
"run_away", NULL /*pass_thru */, NULL /*can_pass_thru*/, 
"pick_up", "unique", "no_drop",                                 /* 50 */
NULL /* wizcast*/, "can_cast_spell", "can_use_scroll", "can_use_range",
"can_use_bow",  "can_use_armour", "can_use_weapon",
"can_use_ring", "has_ready_range", "has_ready_bow",             /* 60 */
"xrays", NULL, "is_floor", "lifesave", "no_strength", "sleep",
"stand_still", "random_move", "only_attack", "confused",        /* 70 */
 "stealth", NULL, NULL, "cursed", "damned",
"see_anywhere", "known_magical", "known_cursed",
"can_use_skill", "been_applied",                                /* 80 */
"has_ready_scroll", "can_use_rod", NULL,
"can_use_horn", "make_invisible",  "inv_locked", "is_wooded",
"is_hilly", "has_ready_skill", "has_ready_weapon",              /* 90 */
"no_skill_ident", "is_blind", "can_see_in_dark", "is_cauldron",
"is_dust", "no_steal", "one_hit", NULL, "berserk", "neutral",   /* 100 */
"no_attack", "no_damage", NULL, NULL, "activate_on_push",
"activate_on_release", "is_water", "use_content_on_gen", NULL, "is_buildable",   /* 110 */
NULL
};


/*
 * Initialises the array of variable-names.  Needed before any
 * objects can be loaded.  Called by init_library().
 */

void init_vars() {
}

/* This returns a string of the integer movement type */
static char* get_string_move_type(MoveType mt)
{
    static char retbuf[MAX_BUF], retbuf_all[MAX_BUF];
    int i, all_count=0, count;

    strcpy(retbuf,"");
    strcpy(retbuf_all," all");

    /* Quick check, and probably fairly common */
    if (mt == MOVE_ALL) return retbuf_all+1;
    if (mt == 0) {
        strcpy(retbuf,"0");
        return retbuf;
    }

    /* We basically slide the bits down.  Why look at MOVE_ALL?
     * because we may want to return a string like 'all -swim',
     * and if we just looked at mt, we couldn't get that.
     */
    for (i=MOVE_ALL, count=0; i!=0; i >>= 1, count++) {
        if (mt & (1<<count)) {
            strcat(retbuf, " ");
            strcat(retbuf, move_name[count]);
        } else {
            strcat(retbuf_all, " -");
            strcat(retbuf_all, move_name[count]);
            all_count++;
        }
    }
    /* Basically, if there is a single negation, return it, eg
     * 'all -swim'.  But more than that, just return the
     * enumerated values.  It doesn't make sense to return
     * 'all -walk -fly_low' - it is shorter to return 'fly_high swim'
     */
    if (all_count <=1) return retbuf_all+1;
    else return retbuf+1;
}
    

// compare *op against *tmp and output differences
void
put (object_freezer &f, object *op, object *tmp)
{
  int i;

  /* This saves the key/value lists.  We do it first so that any
   * keys that match field names will be overwritten by the loader.
   */
  for (key_value *my_field = op->key_values; my_field != NULL; my_field = my_field->next)
    {
      /* Find the field in the opposing member. */
      key_value *arch_field = get_ob_key_link (tmp, my_field->key);

      /* If there's no partnering field, or it's got a different value, save our field. */
      if (arch_field == NULL || my_field->value != arch_field->value)
        f.put (my_field->key, my_field->value);
    }

  /* We don't need to worry about the arch's extra fields - they
   * will get taken care of the copy_object function.
   */

# define CMP_OUT(v)    if (op->v != tmp->v) f.put (KW_ ## v, op->v)
# define CMP_OUT2(k,v) if (op->v != tmp->v) f.put (KW_ ## k, op->v)

  CMP_OUT (name);
  CMP_OUT (name_pl);
  CMP_OUT (custom_name);
  CMP_OUT (title);
  CMP_OUT (race);
  CMP_OUT (slaying);

  if (op->msg  != tmp->msg ) f.put (KW_msg , KW_endmsg , op->msg);
  if (op->lore != tmp->lore) f.put (KW_lore, KW_endlore, op->lore);

  CMP_OUT (other_arch);
  CMP_OUT (face);

  if (op->animation_id != tmp->animation_id)
    if (op->animation_id)
      {
        f.put (KW_animation, animations[GET_ANIM_ID (op)].name);
 
        if (!QUERY_FLAG (op, FLAG_ANIMATE))
          f.put (KW_is_animated, 0);
      }
    else
      f.put (KW_animation, "NONE");

  CMP_OUT2 (str     , stats.Str);
  CMP_OUT2 (dex     , stats.Dex);
  CMP_OUT2 (con     , stats.Con);
  CMP_OUT2 (wis     , stats.Wis);
  CMP_OUT2 (pow     , stats.Pow);
  CMP_OUT2 (cha     , stats.Cha);
  CMP_OUT2 (int     , stats.Int);
  CMP_OUT2 (hp      , stats.hp);
  CMP_OUT2 (maxhp   , stats.maxhp);
  CMP_OUT2 (sp      , stats.sp);
  CMP_OUT2 (maxsp   , stats.maxsp);
  CMP_OUT2 (grace   , stats.grace);
  CMP_OUT2 (maxgrace, stats.maxgrace);
  CMP_OUT2 (exp     , stats.exp);

  CMP_OUT (perm_exp);
  CMP_OUT (expmul);

  CMP_OUT2 (food    , stats.food);
  CMP_OUT2 (dam     , stats.dam);
  CMP_OUT2 (luck    , stats.luck);
  CMP_OUT2 (wc      , stats.wc);
  CMP_OUT2 (ac      , stats.ac);

  CMP_OUT (x);
  CMP_OUT (y);
  CMP_OUT (speed);
  CMP_OUT (speed_left);
  CMP_OUT2 (move_state, move_status);
  CMP_OUT (attack_movement);
  CMP_OUT (nrof);
  CMP_OUT (level);
  CMP_OUT (direction);
  CMP_OUT (type);
  CMP_OUT (subtype);
  CMP_OUT (attacktype);

  for (i = 0; i < NROFATTACKS; i++)
    if (op->resist [i] != tmp->resist [i])
      f.put (resist_save [i], op->resist [i]);

  CMP_OUT (path_attuned);
  CMP_OUT (path_repelled);
  CMP_OUT (path_denied);
  CMP_OUT (material);
  CMP_OUT (materialname);
  CMP_OUT (value);
  CMP_OUT (carrying);
  CMP_OUT (weight);
  CMP_OUT (invisible);
  CMP_OUT (state);
  CMP_OUT (magic);
  CMP_OUT (last_heal);
  CMP_OUT (last_sp);
  CMP_OUT (last_grace);
  CMP_OUT (last_eat);
  CMP_OUT (glow_radius);

  if (QUERY_FLAG (op, FLAG_IS_LINKED) && (i = get_button_value (op)))
    f.put (KW_connected, i);

  CMP_OUT (randomitems);
  CMP_OUT2 (container, weight_limit);

  CMP_OUT (run_away);
  CMP_OUT (pick_up);
  CMP_OUT (will_apply);
  CMP_OUT (smoothlevel);
  CMP_OUT (weapontype);
  CMP_OUT (tooltype);
  CMP_OUT (elevation);
  CMP_OUT (client_type);
  CMP_OUT (item_power);
  CMP_OUT (duration);
  CMP_OUT (range);
  CMP_OUT (range_modifier);
  CMP_OUT (duration_modifier);
  CMP_OUT (dam_modifier);
  CMP_OUT (gen_sp_armour);

  CMP_OUT (move_type);
  CMP_OUT (move_block);
  CMP_OUT (move_allow);
  CMP_OUT (move_on);
  CMP_OUT (move_off);
  CMP_OUT (move_slow);
  CMP_OUT (move_slow_penalty);

  if (!COMPARE_FLAGS (op, tmp))
    for (i = 0; i <= NUM_FLAGS; i++)
      if (flag_names [i]
          && (QUERY_FLAG (op, i) != QUERY_FLAG (tmp, i)))
        f.put (flag_names [i], QUERY_FLAG (op, i) ? "1" : 0);

  /* Save body locations */
  for (i = 0; i < NUM_BODY_LOCATIONS; i++)
    if (op->body_info[i] != tmp->body_info[i])
      f.put (body_locations[i].save_name, op->body_info[i]);
}

/*
 * Dumps all variables in an object to a file.
 * If bit 0 of flag is set, unpaid objects will be saved.  As of now,
 * the only place this is not set is when saving the player.
 * If bit 1 of flag is set, don't remove the object after save.  As of now,
 * all of the callers are setting this.
 */

void
save_object (object_freezer &fp, object *op, int flag)
{
  archetype *at;
  object *tmp, *old;

  /* Even if the object does have an owner, it would seem that we should
   * still save it.
   */
  if (op->owner != NULL)
    return;

  /* If it is unpaid and we don't want to save those, just return. */
  if (!(flag & 1) && (QUERY_FLAG (op, FLAG_UNPAID)))
    return;

  if ((at = op->arch) == NULL)
    at = empty_archetype;

  fp.put (KW_arch, at->name);

  put (fp, op, &at->clone);

  /* Eneq(@csd.uu.se): Added this to allow containers being saved with contents */

  old = NULL;

  if (flag & 2)
    for (tmp = op->inv; tmp != NULL; tmp = tmp->below)
      save_object (fp, tmp, flag);
  else
    /* Slightly different logic because tmp/op will be removed by
     * the save_object we call.  So we just keep looking at op->inv
     * until there is nothing left.  In theory, the variable old
     * should not be needed, as recursive loops shouldn't happen.
     */
    while ((tmp = op->inv) != NULL)
      {
        if (old == tmp)
          {
            LOG (llevError, " Recursive loop in inventory\n");
            break;
          }

        save_object (fp, tmp, flag);
        old = tmp;
      }

  if (!(flag & 2))
    {
      remove_ob (op);
      free_object (op);
    }

  fp.put (op);
  fprintf (fp, "end\n");
}

Revision:	1.20
Committed:	Sun Sep 3 22:45:55 2006 UTC (17 years, 8 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.19:	+0 -0 lines
State:	*FILE REMOVED*
Log Message:	string scanning (e.g. for patch) is not implemented ATM but should be easy to add with an alternative constructor for object_thawer. Rewrote flex scanner to be simpler, faster and more modularised. Initial speedup: 16% (ah well)