/home/leaf/crossfire/server/branches/1.12/common/living.c

Go to the documentation of this file.

/*
 * static char *rcsid_living_c =
 *   "$Id: living.c 11190 2009-01-19 05:07:11Z lalo $";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002-2006 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 <stdlib.h>
#include <global.h>
#include <sproto.h>

#define ADD_EXP(exptotal, exp) {exptotal += exp; if (exptotal > MAX_EXPERIENCE) exptotal = MAX_EXPERIENCE; }

static const int con_bonus[MAX_STAT + 1]={
    -6,-5,-4,-3,-2,-1,-1,0,0,0,0,1,2,3,4,5,6,7,8,9,10,12,14,16,18,20,
    22,25,30,40,50
};

static const int sp_bonus[MAX_STAT + 1]={
    -10,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,12,15,20,25,
    30,40,50,70,100
};

static const int grace_bonus[MAX_STAT +1] = {
    -10,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,12,15,20,25,
    30,40,50,70,100
};

const float cha_bonus[MAX_STAT + 1]={
    10.0, 10.0, 9.0, 8.0, 7.0, 6.0, /*<-5*/
    5.0, 4.5, 4.0, 3.5, 3.0,        /*<-10*/
    2.9, 2.8, 2.7, 2.6, 2.5,        /*<-15*/
    2.4, 2.3, 2.2, 2.1, 2.0,        /*<-20*/
    1.95, 1.90, 1.85, 1.80, 1.75,   /*25 */
    1.70, 1.65, 1.60, 1.55, 1.50    /*30 */
};

const int dex_bonus[MAX_STAT + 1]={
    -4,-3,-2,-2,-1,-1,-1,0,0,0,0,0,0,0,1,1,1,2,2,2,3,3,3,4,4,4,5,5,6,6,7
};

const float speed_bonus[MAX_STAT + 1]={
    -0.4, -0.4, -0.3, -0.3, -0.2, -0.2, -0.2, -0.1, -0.1, -0.1, -0.05, 0, 0, 0,
    0.05, 0.1, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.8, 1.0, 1.2, 1.4,
    1.6, 1.8, 2.0, 2.5, 3.0
};

const int dam_bonus[MAX_STAT + 1]={
    -2,-2,-2,-1,-1,-1,0,0,0,0,0,0,1,1,1,2,2,2,3,3,3,4,4,5,5,6,6,7,8,10,15
};

const int thaco_bonus[MAX_STAT + 1]={
    -2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,1,1,1,2,2,2,3,3,3,4,4,5,5,6,7,8,10
};

/* Max you can carry before you start getting extra speed penalties */
const int max_carry[MAX_STAT + 1]={
    2,4,7,11,16,22,29,37,46,56,67,79,92,106,121,137,154,172,191,211,232,254,277,
    301,326,352,400,450,500,600,1000
};

const uint32 weight_limit[MAX_STAT+ 1] = {
    200000,  /* 0 */
    250000,300000,350000,400000,500000,      /* 5*/
    600000,700000,800000,900000,1000000,     /* 10 */
    1100000,1200000,1300000,1400000,1500000, /* 15 */
    1650000,1800000,1950000,2100000,2250000, /* 20 */
    2400000,2550000,2700000,2850000,3000000, /* 25 */
    3250000,3500000,3750000,4000000,4500000  /*30 */
};

const int learn_spell[MAX_STAT + 1]={
    0,0,0,1,2,4,8,12,16,25,36,45,55,65,70,75,80,85,90,95,100,100,100,100,100,
    100,100,100,100,100,100
};

const int cleric_chance[MAX_STAT + 1]={
    100,100,100,100,90,80,70,60,50,40,35,30,25,20,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,0
};

const int turn_bonus[MAX_STAT + 1]={
    -1,-1,-1,-1,-1,-1,-1,-1,0,0,0,1,1,1,2,2,2,3,3,3,4,4,5,5,6,7,8,9,10,12,15
};

const int fear_bonus[MAX_STAT + 1]={
    3,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};

#define MAX_EXPERIENCE  levels[settings.max_level]

#define MAX_EXP_IN_OBJ levels[settings.max_level]/(MAX_EXP_CAT - 1)

extern sint64 *levels;

#define MAX_SAVE_LEVEL 110

static const int savethrow[MAX_SAVE_LEVEL+1]={
    18,
    18,17,16,15,14,14,13,13,12,12,12,11,11,11,11,10,10,10,10, 9,
     9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6,
     6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4,
     4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2,
     2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1
};

const char *const attacks[NROFATTACKS] = {
    "physical", "magical", "fire", "electricity", "cold", "confusion",
    "acid", "drain", "weaponmagic", "ghosthit", "poison", "slow",
    "paralyze", "turn undead", "fear", "cancellation", "depletion", "death",
    "chaos","counterspell","god power","holy power","blinding", "",
    "life stealing"
};

static const char *const drain_msg[NUM_STATS] = {
    "Oh no! You are weakened!",
    "You're feeling clumsy!",
    "You feel less healthy",
    "You suddenly begin to lose your memory!",
    "Your face gets distorted!",
    "Watch out, your mind is going!",
    "Your spirit feels drained!"
};

const char *const restore_msg[NUM_STATS] = {
    "You feel your strength return.",
    "You feel your agility return.",
    "You feel your health return.",
    "You feel your wisdom return.",
    "You feel your charisma return.",
    "You feel your memory return.",
    "You feel your spirits return."
};

const char *const gain_msg[NUM_STATS] = {
    "You feel stronger.",
    "You feel more agile.",
    "You feel healthy.",
    "You feel wiser.",
    "You seem to look better.",
    "You feel smarter.",
    "You feel more potent."
};

const char *const lose_msg[NUM_STATS] = {
    "You feel weaker!",
    "You feel clumsy!",
    "You feel less healthy!",
    "You lose some of your memory!",
    "You look ugly!",
    "You feel stupid!",
    "You feel less potent!"
};

const char *const statname[NUM_STATS] = {
    "strength", "dexterity", "constitution", "wisdom", "charisma", "intelligence","power"
};

const char *const short_stat_name[NUM_STATS] = {
    "Str", "Dex", "Con", "Wis", "Cha", "Int","Pow"
};

void set_attr_value(living *stats,int attr,sint8 value) {
    switch (attr) {
        case STR:
            stats->Str=value;
            break;
        case DEX:
            stats->Dex=value;
            break;
        case CON:
            stats->Con=value;
            break;
        case WIS:
            stats->Wis=value;
            break;
        case POW:
            stats->Pow=value;
            break;
        case CHA:
            stats->Cha=value;
            break;
        case INT:
            stats->Int=value;
            break;
    }
}

void change_attr_value(living *stats,int attr,sint8 value) {
    if (value==0) return;
    switch (attr) {
        case STR:
            stats->Str+=value;
            break;
        case DEX:
            stats->Dex+=value;
            break;
        case CON:
            stats->Con+=value;
            break;
        case WIS:
            stats->Wis+=value;
            break;
        case POW:
            stats->Pow+=value;
            break;
        case CHA:
            stats->Cha+=value;
            break;
        case INT:
            stats->Int+=value;
            break;
        default:
            LOG(llevError,"Invalid attribute in change_attr_value: %d\n", attr);
    }
}

sint8 get_attr_value(const living *stats,int attr) {
    switch (attr) {
        case STR:
            return(stats->Str);
        case DEX:
            return(stats->Dex);
        case CON:
            return(stats->Con);
        case WIS:
            return(stats->Wis);
        case CHA:
            return(stats->Cha);
        case INT:
            return(stats->Int);
        case POW:
            return(stats->Pow);
    }
    return 0;
}

void check_stat_bounds(living *stats) {
    int i,v;
    for (i=0;i<NUM_STATS;i++)
        if ((v=get_attr_value(stats,i))>MAX_STAT)
            set_attr_value(stats,i,MAX_STAT);
        else if (v<MIN_STAT)
            set_attr_value(stats,i,MIN_STAT);
}

#define DIFF_MSG(flag, subtype1, subtype2, msg1, msg2) \
    draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, (flag>0)?subtype1:subtype2, (flag>0)?msg1:msg2, NULL);

int change_abil(object *op, object *tmp) {
    int flag=QUERY_FLAG(tmp,FLAG_APPLIED)?1:-1,i,j,success=0;
    object refop;
    int potion_max=0;

    /* remember what object was like before it was changed.  note that
     * refop is a local copy of op only to be used for detecting changes
    * found by fix_object.  refop is not a real object
     */
    memcpy(&refop, op, sizeof(object));

    if (op->type==PLAYER) {
        if (tmp->type==POTION) {
            potion_max=1;
            for (j=0;j<NUM_STATS;j++) {
                int nstat, ostat;

                ostat = get_attr_value(&(op->contr->orig_stats),j);
                i = get_attr_value(&(tmp->stats),j);

                /* nstat is what the stat will be after use of the potion */
                nstat = flag*i + ostat;

                /* Do some bounds checking.  While I don't think any
                 * potions do so right now, there is the potential for potions
                 * that adjust that stat by more than one point, so we need
                 * to allow for that.
                 */
                if (nstat < 1 && i*flag < 0) nstat = 1;
                else if (nstat > 20 + get_attr_value(&(op->arch->clone.stats),j)) {
                    nstat =  20 + get_attr_value(&(op->arch->clone.stats),j);
                }
                if (nstat != ostat) {
                    set_attr_value(&(op->contr->orig_stats), j, nstat);
                    potion_max=0;
                } else if (i) {
                    /* potion is useless - player has already hit the natural maximum */
                    potion_max = 1;
                }
            }
            /* This section of code ups the characters normal stats also.  I am not
             * sure if this is strictly necessary, being that fix_object probably
             * recalculates this anyway.
             */
            for (j=0;j<NUM_STATS;j++)
                change_attr_value(&(op->stats),j,flag*get_attr_value(&(tmp->stats),j));
            check_stat_bounds(&(op->stats));
        } /* end of potion handling code */
    }

    /* reset attributes that fix_object doesn't reset since it doesn't search
     * everything to set
     */
    if (flag == -1) {
        op->attacktype&=~tmp->attacktype;
        op->path_attuned&=~tmp->path_attuned;
        op->path_repelled&=~tmp->path_repelled;
        op->path_denied&=~tmp->path_denied;
        /* Presuming here that creatures only have move_type,
         * and not the other move_ fields.
         */
        op->move_type &= ~tmp->move_type;
    }

    /* call fix_object since op object could have whatever attribute due
     * to multiple items.  if fix_object always has to be called after
     * change_ability then might as well call it from here
     */
    fix_object(op);

    /* Fix player won't add the bows ability to the player, so don't
     * print out message if this is a bow.
     */
    if (tmp->attacktype & AT_CONFUSION && tmp->type != BOW) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_ATTACKTYPE_GAIN, MSG_TYPE_ATTRIBUTE_ATTACKTYPE_LOSS,
                 "Your hands begin to glow red.",
                 "Your hands stop glowing red.");
    }
    if (QUERY_FLAG(op,FLAG_LIFESAVE) != QUERY_FLAG(&refop,FLAG_LIFESAVE)) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_PROTECTION_GAIN, MSG_TYPE_ATTRIBUTE_PROTECTION_LOSS,
                 "You feel very protected.",
                 "You don't feel protected anymore.");
    }
    if (QUERY_FLAG(op,FLAG_REFL_MISSILE) != QUERY_FLAG(&refop,FLAG_REFL_MISSILE)) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_PROTECTION_GAIN, MSG_TYPE_ATTRIBUTE_PROTECTION_LOSS,
                 "A magic force shimmers around you.",
                 "The magic force fades away.");
    }
    if (QUERY_FLAG(op,FLAG_REFL_SPELL) != QUERY_FLAG(&refop,FLAG_REFL_SPELL)) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_PROTECTION_GAIN, MSG_TYPE_ATTRIBUTE_PROTECTION_LOSS,
                 "You feel more safe now, somehow.",
                 "Suddenly you feel less safe, somehow.");
    }
    /* movement type has changed.  We don't care about cases where
     * user has multiple items giving the same type appled like we
     * used to - that is more work than what we gain, plus messages
     * can be misleading (a little higher could be miscontrued from
     * from fly high)
     */
    if (tmp->move_type && op->move_type != refop.move_type) {
        success=1;

        /* MOVE_FLY_HIGH trumps MOVE_FLY_LOW - changing your move_fly_low
         * status doesn't make a difference if you are flying high
         */
        if (tmp->move_type & MOVE_FLY_LOW && !(op->move_type & MOVE_FLY_HIGH)) {
            DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_MOVE, MSG_TYPE_ATTRIBUTE_MOVE,
                     "You start to float in the air!.",
                     "You float down to the ground.");
        }

        if (tmp->move_type & MOVE_FLY_HIGH) {
            /* double conditional - second case covers if you have move_fly_low -
             * in that case, you don't actually land
             */
            DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_MOVE, MSG_TYPE_ATTRIBUTE_MOVE,
                     "You soar into the air air!.",
                     (op->move_type&MOVE_FLY_LOW ? "You fly lower in the air":
                      "You float down to the ground."));
        }
        if (tmp->move_type & MOVE_SWIM)
            DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_MOVE, MSG_TYPE_ATTRIBUTE_MOVE,
                     "You feel ready for a swim",
                     "You no longer feel like swimming");

        /* Changing move status may mean you are affected by things you weren't before */
        check_move_on(op, op);
    }

    /* becoming UNDEAD... a special treatment for this flag. Only those not
     * originally undead may change their status
     */
    if (!QUERY_FLAG(&op->arch->clone,FLAG_UNDEAD))
        if (QUERY_FLAG(op,FLAG_UNDEAD) != QUERY_FLAG(&refop,FLAG_UNDEAD)) {
            success=1;
            if (flag>0) {
                if (op->race) free_string(op->race);
                op->race=add_string("undead");
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_RACE,
                              "Your lifeforce drains away!", NULL);
            } else {
                if (op->race) free_string(op->race);
                if (op->arch->clone.race)
                    op->race=add_string(op->arch->clone.race);
                else
                    op->race = NULL;
                draw_ext_info(NDI_UNIQUE, 0, op,MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_RACE,
                              "Your lifeforce returns!", NULL);
            }
        }

    if (QUERY_FLAG(op,FLAG_STEALTH) != QUERY_FLAG(&refop,FLAG_STEALTH)) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_START, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_END,
                 "You walk more quietly.",
                 "You walk more noisily.");
    }
    if (QUERY_FLAG(op,FLAG_MAKE_INVIS) != QUERY_FLAG(&refop,FLAG_MAKE_INVIS)) {
        success=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_START, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_END,
                 "You become transparent.",
                 "You can see yourself.");
    }
    /* blinded you can tell if more blinded since blinded player has minimal
     * vision
     */
    if (QUERY_FLAG(tmp,FLAG_BLIND)) {
        success=1;
        if (flag>0) {
            if (QUERY_FLAG(op,FLAG_WIZ))
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_BAD_EFFECT_START,
                              "Your mortal self is blinded.", NULL);
            else {
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_BAD_EFFECT_START,
                              "You are blinded.", NULL);
                SET_FLAG(op,FLAG_BLIND);
                if (op->type==PLAYER)
                    op->contr->do_los=1;
            }
        } else {
            if (QUERY_FLAG(op,FLAG_WIZ))
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_BAD_EFFECT_END,
                              "Your mortal self can now see again.", NULL);
            else {
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_BAD_EFFECT_END,
                              "Your vision returns.", NULL);
                CLEAR_FLAG(op,FLAG_BLIND);
                if (op->type==PLAYER)
                    op->contr->do_los=1;
            }
        }
    }

    if (QUERY_FLAG(op,FLAG_SEE_IN_DARK) != QUERY_FLAG(&refop,FLAG_SEE_IN_DARK)) {
        success=1;
        if (op->type==PLAYER)
            op->contr->do_los=1;
        DIFF_MSG(flag, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_START, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_END,
                 "Your vision is better in the dark.",
                 "You see less well in the dark.");
    }

    if (QUERY_FLAG(op,FLAG_XRAYS) != QUERY_FLAG(&refop,FLAG_XRAYS)) {
        success=1;
        if (flag>0) {
            if (QUERY_FLAG(op,FLAG_WIZ))
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_START,
                              "Your vision becomes a little clearer.", NULL);
            else {
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_START,
                              "Everything becomes transparent.", NULL);
                if (op->type==PLAYER)
                    op->contr->do_los=1;
            }
        } else {
            if (QUERY_FLAG(op,FLAG_WIZ))
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_END,
                              "Your vision becomes a bit out of focus.", NULL);
            else {
                draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_GOOD_EFFECT_END,
                              "Everything suddenly looks very solid.", NULL);
                if (op->type==PLAYER)
                    op->contr->do_los=1;
            }
        }
    }

    if (tmp->stats.luck) {
        success=1;
        DIFF_MSG(flag*tmp->stats.luck, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS,
                 "You feel more lucky.",
                 "You feel less lucky.");
    }

    if (tmp->stats.hp && op->type==PLAYER) {
        success=1;
        DIFF_MSG(flag*tmp->stats.hp, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS,
                 "You feel much more healthy!",
                 "You feel much less healthy!");
    }

    if (tmp->stats.sp && op->type==PLAYER && tmp->type!=SKILL) {
        success=1;
        DIFF_MSG(flag*tmp->stats.sp, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS,
                 "You feel one with the powers of magic!",
                 "You suddenly feel very mundane.");
    }

    /* for the future when artifacts set this -b.t. */
    if (tmp->stats.grace && op->type==PLAYER) {
        success=1;
        DIFF_MSG(flag*tmp->stats.grace, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS,
                 "You feel closer to your god!",
                 "You suddenly feel less holy.");
    }

    if (tmp->stats.food && op->type==PLAYER) {
        success=1;
        DIFF_MSG(flag*tmp->stats.food, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS,
                 "You feel your digestion slowing down.",
                 "You feel your digestion speeding up.");
    }

    /* Messages for changed resistance */
    for (i=0; i<NROFATTACKS; i++) {
        if (i==ATNR_PHYSICAL) continue; /* Don't display about armour */

        if (op->resist[i] != refop.resist[i]) {
            success=1;
            if (op->resist[i] > refop.resist[i])
                draw_ext_info_format(NDI_UNIQUE|NDI_BLUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_PROTECTION_GAIN,
                                     "Your resistance to %s rises to %d%%.",
                                     "Your resistance to %s rises to %d%%.",
                                     change_resist_msg[i], op->resist[i]);
            else
                draw_ext_info_format(NDI_UNIQUE|NDI_BLUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_PROTECTION_LOSS,
                                     "Your resistance to %s drops to %d%%.",
                                     "Your resistance to %s drops to %d%%.",
                                     change_resist_msg[i], op->resist[i]);
        }
    }

    if (tmp->type!=EXPERIENCE && !potion_max) {
        for (j=0; j<NUM_STATS; j++) {
            if ((i=get_attr_value(&(tmp->stats),j))!=0) {
                success=1;
                DIFF_MSG(i * flag, MSG_TYPE_ATTRIBUTE_STAT_GAIN, MSG_TYPE_ATTRIBUTE_STAT_LOSS, gain_msg[j], lose_msg[j]);
            }
        }
    }
    return success;
}

void drain_stat(object *op) {
    drain_specific_stat(op, RANDOM()%NUM_STATS);
}

void drain_specific_stat(object *op, int deplete_stats) {
    object *tmp;
    archetype *at;

    at = find_archetype(ARCH_DEPLETION);
    if (!at) {
        LOG(llevError, "Couldn't find archetype depletion.\n");
        return;
    } else {
        tmp = present_arch_in_ob(at, op);
        if (!tmp) {
            tmp = arch_to_object(at);
            tmp = insert_ob_in_ob(tmp, op);
            SET_FLAG(tmp,FLAG_APPLIED);
        }
    }

    draw_ext_info(NDI_UNIQUE, 0, op, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_STAT_LOSS, drain_msg[deplete_stats], NULL);
    change_attr_value(&tmp->stats, deplete_stats, -1);
    fix_object(op);
}

void change_luck(object *op, int value) {
    object *tmp;
    archetype *at;
    int new_luck;

    at = find_archetype("luck");
    if (!at)
        LOG(llevError, "Couldn't find archetype luck.\n");
    else {
        tmp = present_arch_in_ob(at, op);
        if (!tmp) {
            if (!value)
                return;
            tmp = arch_to_object(at);
            tmp = insert_ob_in_ob(tmp, op);
            SET_FLAG(tmp,FLAG_APPLIED);
        }
        if (value) {
            /* Limit the luck value of the bad luck object to +/-100. This
            * (arbitrary) value prevents overflows (both in the bad luck object and
            * in op itself).
            */
            new_luck = tmp->stats.luck+value;
            if (new_luck >= -100 && new_luck <= 100) {
                op->stats.luck+=value;
                tmp->stats.luck = new_luck;
            }
        } else {
            if (!tmp->stats.luck) {
                return;
            }
            /* Randomly change the players luck.  Basically, we move it
            * back neutral (if greater>0, subtract, otherwise add)
            */
            if (RANDOM()%(FABS(tmp->stats.luck)) >= RANDOM()%30) {
                int diff = tmp->stats.luck>0?-1:1;
                op->stats.luck += diff;
                tmp->stats.luck += diff;
            }
        }
    }
}

void remove_statbonus(object *op) {
    op->stats.Str -= op->arch->clone.stats.Str;
    op->stats.Dex -= op->arch->clone.stats.Dex;
    op->stats.Con -= op->arch->clone.stats.Con;
    op->stats.Wis -= op->arch->clone.stats.Wis;
    op->stats.Pow -= op->arch->clone.stats.Pow;
    op->stats.Cha -= op->arch->clone.stats.Cha;
    op->stats.Int -= op->arch->clone.stats.Int;
    op->contr->orig_stats.Str -= op->arch->clone.stats.Str;
    op->contr->orig_stats.Dex -= op->arch->clone.stats.Dex;
    op->contr->orig_stats.Con -= op->arch->clone.stats.Con;
    op->contr->orig_stats.Wis -= op->arch->clone.stats.Wis;
    op->contr->orig_stats.Pow -= op->arch->clone.stats.Pow;
    op->contr->orig_stats.Cha -= op->arch->clone.stats.Cha;
    op->contr->orig_stats.Int -= op->arch->clone.stats.Int;
}

void add_statbonus(object *op) {
    op->stats.Str += op->arch->clone.stats.Str;
    op->stats.Dex += op->arch->clone.stats.Dex;
    op->stats.Con += op->arch->clone.stats.Con;
    op->stats.Wis += op->arch->clone.stats.Wis;
    op->stats.Pow += op->arch->clone.stats.Pow;
    op->stats.Cha += op->arch->clone.stats.Cha;
    op->stats.Int += op->arch->clone.stats.Int;
    op->contr->orig_stats.Str += op->arch->clone.stats.Str;
    op->contr->orig_stats.Dex += op->arch->clone.stats.Dex;
    op->contr->orig_stats.Con += op->arch->clone.stats.Con;
    op->contr->orig_stats.Wis += op->arch->clone.stats.Wis;
    op->contr->orig_stats.Pow += op->arch->clone.stats.Pow;
    op->contr->orig_stats.Cha += op->arch->clone.stats.Cha;
    op->contr->orig_stats.Int += op->arch->clone.stats.Int;
}

void fix_object(object *op) {
    int i,j;
    float f,max=9,added_speed=0,bonus_speed=0, sp_tmp,speed_reduce_from_disease=1;
    int weapon_weight=0,weapon_speed=0;
    int best_wc=0, best_ac=0, wc=0, ac=0;
    int prot[NROFATTACKS], vuln[NROFATTACKS], potion_resist[NROFATTACKS];
    object *grace_obj=NULL,*mana_obj=NULL,*wc_obj=NULL,*tmp;

    /* First task is to clear all the values back to their original values */
    if (op->type==PLAYER) {
        for (i=0;i<NUM_STATS;i++) {
            set_attr_value(&(op->stats),i,get_attr_value(&(op->contr->orig_stats),i));
        }
        if (settings.spell_encumbrance == TRUE)
            op->contr->encumbrance=0;

        op->attacktype=0;
        op->contr->digestion = 0;
        op->contr->gen_hp = 0;
        op->contr->gen_sp = 0;
        op->contr->gen_grace = 0;
        op->contr->gen_sp_armour = 10;
        op->contr->item_power = 0;

        /* Don't clobber all the range_ values.  range_golem otherwise
         * gets reset for no good reason, and we don't want to reset
         * range_magic (what spell is readied).  These three below
         * well get filled in based on what the player has equipped.
         */
        op->contr->ranges[range_bow] = NULL;
        op->contr->ranges[range_misc] = NULL;
        op->contr->ranges[range_skill] = NULL;
    } /* If player */
    memcpy(op->body_used, op->body_info, sizeof(op->body_info));

    if (op->slaying!=NULL) {
        free_string(op->slaying);
        op->slaying=NULL;
    }
    if (!QUERY_FLAG(op,FLAG_WIZ)) {
        CLEAR_FLAG(op, FLAG_XRAYS);
        CLEAR_FLAG(op, FLAG_MAKE_INVIS);
    }

    CLEAR_FLAG(op,FLAG_LIFESAVE);
    CLEAR_FLAG(op,FLAG_STEALTH);
    CLEAR_FLAG(op,FLAG_BLIND);
    if (!QUERY_FLAG(&op->arch->clone, FLAG_REFL_SPELL))
        CLEAR_FLAG(op,FLAG_REFL_SPELL);
    if (!QUERY_FLAG(&op->arch->clone, FLAG_REFL_MISSILE))
        CLEAR_FLAG(op,FLAG_REFL_MISSILE);
    if (!QUERY_FLAG(&op->arch->clone,FLAG_UNDEAD))
        CLEAR_FLAG(op,FLAG_UNDEAD);
    if (!QUERY_FLAG(&op->arch->clone, FLAG_SEE_IN_DARK))
        CLEAR_FLAG(op,FLAG_SEE_IN_DARK);

    op->path_attuned=op->arch->clone.path_attuned;
    op->path_repelled=op->arch->clone.path_repelled;
    op->path_denied=op->arch->clone.path_denied;
    op->glow_radius=op->arch->clone.glow_radius;
    op->move_type = op->arch->clone.move_type;
    op->chosen_skill = NULL;

    /* initializing resistances from the values in player/monster's
     * archetype clone
     */
    memcpy(&op->resist, &op->arch->clone.resist, sizeof(op->resist));

    for (i=0;i<NROFATTACKS;i++) {
        if (op->resist[i] > 0)
            prot[i]= op->resist[i], vuln[i]=0;
        else
            vuln[i]= -(op->resist[i]), prot[i]=0;
        potion_resist[i]=0;
    }

    wc=op->arch->clone.stats.wc;
    op->stats.dam=op->arch->clone.stats.dam;

    /* for players which cannot use armour, they gain AC -1 per 3 levels,
     * plus a small amount of physical resist, those poor suckers. ;)
     * the fact that maxlevel is factored in could be considered sort of bogus -
     * we should probably give them some bonus and cap it off - otherwise,
     * basically, if a server updates its max level, these playes may find
     * that their protection from physical goes down
     */
    if (!QUERY_FLAG(op,FLAG_USE_ARMOUR) && op->type==PLAYER) {
        ac=MAX(-10,op->arch->clone.stats.ac - op->level/3);
        prot[ATNR_PHYSICAL] += ((100-prot[AT_PHYSICAL])*(80*op->level/settings.max_level))/100;
    } else
        ac=op->arch->clone.stats.ac;

    op->stats.luck=op->arch->clone.stats.luck;
    op->speed = op->arch->clone.speed;

    /* OK - we've reset most all the objects attributes to sane values.
     * now go through and make adjustments for what the player has equipped.
     */

    for (tmp=op->inv;tmp!=NULL;tmp=tmp->below) {
        /* See note in map.c:update_position about making this additive
         * since light sources are never applied, need to put check here.
         */
        if (tmp->glow_radius > op->glow_radius)
            op->glow_radius=tmp->glow_radius;

        /* This happens because apply_potion calls change_abil with the potion
         * applied so we can tell the player what chagned.  But change_abil
         * then calls this function.
         */
        if (QUERY_FLAG(tmp, FLAG_APPLIED) && tmp->type == POTION)
            continue;

        /* For some things, we don't care what is equipped */
        if (tmp->type == SKILL) {
            /* Want to take the highest skill here. */
            if (IS_MANA_SKILL(tmp->subtype)) {
                if (!mana_obj)
                    mana_obj = tmp;
                else if (tmp->level > mana_obj->level)
                    mana_obj = tmp;
            }
            if (IS_GRACE_SKILL(tmp->subtype)) {
                if (!grace_obj)
                    grace_obj=tmp;
                else if (tmp->level > grace_obj->level)
                    grace_obj = tmp;
            }
        }

        /* Container objects are not meant to adjust a players, but other applied
         * objects need to make adjustments.
         * This block should handle all player specific changes
         * The check for Praying is a bit of a hack - god given bonuses are put
         * in the praying skill, and the player should always get those.
         * It also means we need to put in additional checks for applied below,
         * because the skill shouldn't count against body positions being used
         * up, etc.
         */
        if ((QUERY_FLAG(tmp,FLAG_APPLIED) && tmp->type!=CONTAINER && tmp->type!=CLOSE_CON) ||
                (tmp->type == SKILL && tmp->subtype == SK_PRAYING)) {
            if (op->type==PLAYER) {
                if (tmp->type == BOW)
                    op->contr->ranges[range_bow] = tmp;

                if (tmp->type == WAND || tmp->type == ROD || tmp->type==HORN)
                    op->contr->ranges[range_misc] = tmp;

                for (i=0;i<NUM_STATS;i++)
                    change_attr_value(&(op->stats),i,get_attr_value(&(tmp->stats),i));

                /* these are the items that currently can change digestion, regeneration,
                 * spell point recovery and mana point recovery.  Seems sort of an arbitary
                 * list, but other items store other info into stats array.
                 */
                if ((tmp->type == EXPERIENCE)  || (tmp->type == WEAPON) ||
                        (tmp->type == ARMOUR)   || (tmp->type == HELMET) ||
                        (tmp->type == SHIELD)   || (tmp->type == RING) ||
                        (tmp->type == BOOTS)    || (tmp->type == GLOVES) ||
                        (tmp->type == AMULET)  || (tmp->type == GIRDLE) ||
                        (tmp->type == BRACERS) || (tmp->type == CLOAK) ||
                        (tmp->type == DISEASE)  || (tmp->type == FORCE) ||
                        (tmp->type == SKILL)) {
                    op->contr->digestion    += tmp->stats.food;
                    op->contr->gen_hp       += tmp->stats.hp;
                    op->contr->gen_sp       += tmp->stats.sp;
                    op->contr->gen_grace    += tmp->stats.grace;
                    op->contr->gen_sp_armour+= tmp->gen_sp_armour;
                    op->contr->item_power += tmp->item_power;
                }
            } /* if this is a player */

            /* Update slots used for items */
            if (QUERY_FLAG(tmp,FLAG_APPLIED)) {
                for (i=0; i<NUM_BODY_LOCATIONS; i++)
                    op->body_used[i] += tmp->body_info[i];
            }

            if(tmp->type==SYMPTOM) {
                speed_reduce_from_disease = tmp->last_sp / 100.0;
                if(speed_reduce_from_disease ==0)
                    speed_reduce_from_disease = 1;
            }

            /* Pos. and neg. protections are counted seperate (-> pro/vuln).
             * (Negative protections are calculated extactly like positive.)
             * Resistance from potions are treated special as well. If there's
             * more than one potion-effect, the bigger prot.-value is taken.
             */
            if (tmp->type != POTION) {
                for (i=0; i<NROFATTACKS; i++) {
                    /* Potential for cursed potions, in which case we just can use
                     * a straight MAX, as potion_resist is initialized to zero.
                     */
                    if (tmp->type==POTION_EFFECT) {
                        if (potion_resist[i])
                            potion_resist[i] = MAX(potion_resist[i], tmp->resist[i]);
                        else
                            potion_resist[i] = tmp->resist[i];
                    } else if (tmp->resist[i] > 0)
                        prot[i] += ((100-prot[i])*tmp->resist[i])/100;
                    else if (tmp->resist[i] < 0)
                        vuln[i] += ((100-vuln[i])*(-tmp->resist[i]))/100;
                }
            }

            /* There may be other things that should not adjust the attacktype */
            if (tmp->type!=BOW && tmp->type != SYMPTOM)
                op->attacktype|=tmp->attacktype;

            op->path_attuned|=tmp->path_attuned;
            op->path_repelled|=tmp->path_repelled;
            op->path_denied|=tmp->path_denied;
            op->stats.luck+=tmp->stats.luck;
            op->move_type |= tmp->move_type;

            if (QUERY_FLAG(tmp,FLAG_LIFESAVE))
                SET_FLAG(op,FLAG_LIFESAVE);
            if (QUERY_FLAG(tmp,FLAG_REFL_SPELL))
                SET_FLAG(op,FLAG_REFL_SPELL);
            if (QUERY_FLAG(tmp,FLAG_REFL_MISSILE))
                SET_FLAG(op,FLAG_REFL_MISSILE);
            if (QUERY_FLAG(tmp,FLAG_STEALTH))
                SET_FLAG(op,FLAG_STEALTH);
            if (QUERY_FLAG(tmp,FLAG_XRAYS))
                SET_FLAG(op,FLAG_XRAYS);
            if (QUERY_FLAG(tmp,FLAG_BLIND))
                SET_FLAG(op,FLAG_BLIND);
            if (QUERY_FLAG(tmp,FLAG_SEE_IN_DARK))
                SET_FLAG(op,FLAG_SEE_IN_DARK);

            if (QUERY_FLAG(tmp,FLAG_UNDEAD) && !QUERY_FLAG(&op->arch->clone,FLAG_UNDEAD))
                SET_FLAG(op,FLAG_UNDEAD);

            if (QUERY_FLAG(tmp,FLAG_MAKE_INVIS)) {
                SET_FLAG(op,FLAG_MAKE_INVIS);
                op->invisible=1;
            }

            if (tmp->stats.exp && tmp->type!=SKILL) {
                if(tmp->stats.exp > 0) {
                    added_speed+=(float)tmp->stats.exp/3.0;
                    bonus_speed+=1.0+(float)tmp->stats.exp/3.0;
                } else
                    added_speed+=(float)tmp->stats.exp;
            }

            switch (tmp->type) {
                /* skills modifying the character -b.t. */
                /* for all skills and skill granting objects */
                case SKILL:
                    if (!QUERY_FLAG(tmp,FLAG_APPLIED))
                        break;

                    if (IS_COMBAT_SKILL(tmp->subtype))
                        wc_obj=tmp;

                    if (op->chosen_skill) {
                        LOG(llevDebug, "fix_object, op %s has multiple skills applied\n", op->name);
                    }
                    op->chosen_skill = tmp;
                    if (tmp->stats.dam>0) { /* skill is a 'weapon' */
                        if (!QUERY_FLAG(op,FLAG_READY_WEAPON))
                            weapon_speed = (int) WEAPON_SPEED(tmp);
                        if (weapon_speed<0)
                            weapon_speed = 0;
                        weapon_weight=tmp->weight;
                        op->stats.dam+=tmp->stats.dam*(1 + (op->chosen_skill->level/9));
                        if (tmp->magic)
                            op->stats.dam += tmp->magic;
                    }
                    if (tmp->stats.wc)
                        wc-=(tmp->stats.wc+tmp->magic);

                    if (tmp->slaying!=NULL) {
                        if (op->slaying != NULL)
                            free_string(op->slaying);
                        add_refcount(op->slaying = tmp->slaying);
                    }

                    if (tmp->stats.ac)
                        ac-=(tmp->stats.ac+tmp->magic);
                    if (settings.spell_encumbrance == TRUE && op->type==PLAYER)
                        op->contr->encumbrance+=(int)3*tmp->weight/1000;
                    if (op->type == PLAYER)
                        op->contr->ranges[range_skill] = op;
                    break;

                case SKILL_TOOL:
                    if (op->chosen_skill) {
                        LOG(llevDebug, "fix_object, op %s has multiple skills applied\n", op->name);
                    }
                    op->chosen_skill = tmp;
                    if (op->type == PLAYER)
                        op->contr->ranges[range_skill] = op;
                    break;

                case SHIELD:
                    if (settings.spell_encumbrance == TRUE && op->type==PLAYER)
                        op->contr->encumbrance+=(int)tmp->weight/2000;
                case RING:
                case AMULET:
                case GIRDLE:
                case HELMET:
                case BOOTS:
                case GLOVES:
                case CLOAK:
                    if (tmp->stats.wc)
                        wc-=(tmp->stats.wc+tmp->magic);
                    if (tmp->stats.dam)
                        op->stats.dam+=(tmp->stats.dam+tmp->magic);
                    if (tmp->stats.ac)
                        ac-=(tmp->stats.ac+tmp->magic);
                    break;

                case WEAPON:
                    wc-=(tmp->stats.wc+tmp->magic);
                    if (tmp->stats.ac&&tmp->stats.ac+tmp->magic>0)
                        ac-=tmp->stats.ac+tmp->magic;
                    op->stats.dam+=(tmp->stats.dam+tmp->magic);
                    weapon_weight=tmp->weight;
                    weapon_speed=((int)WEAPON_SPEED(tmp)*2-tmp->magic)/2;
                    if (weapon_speed<0)
                        weapon_speed=0;
                    if (tmp->slaying!=NULL) {
                        if (op->slaying != NULL)
                            free_string(op->slaying);
                        add_refcount(op->slaying = tmp->slaying);
                    }
                    /* If there is desire that two handed weapons should do
                     * extra strength damage, this is where the code should
                     * go.
                     */
                    op->current_weapon = tmp;
                    if (settings.spell_encumbrance == TRUE && op->type==PLAYER)
                        op->contr->encumbrance+=(int)3*tmp->weight/1000;
                    break;

                case ARMOUR: /* Only the best of these three are used: */
                    if (settings.spell_encumbrance == TRUE && op->type==PLAYER)
                        op->contr->encumbrance+=(int)tmp->weight/1000;

                case BRACERS:
                case FORCE:
                    if (tmp->stats.wc) {
                        if (best_wc<tmp->stats.wc+tmp->magic) {
                            wc+=best_wc;
                            best_wc=tmp->stats.wc+tmp->magic;
                        } else
                            wc+=tmp->stats.wc+tmp->magic;
                    }
                    if (tmp->stats.ac) {
                        if (best_ac<tmp->stats.ac+tmp->magic) {
                            ac+=best_ac; /* Remove last bonus */
                            best_ac=tmp->stats.ac+tmp->magic;
                        } else /* To nullify the below effect */
                            ac+=tmp->stats.ac+tmp->magic;
                    }
                    if (tmp->stats.dam && tmp->type == BRACERS)
                        op->stats.dam+=(tmp->stats.dam+tmp->magic);
                    if (tmp->stats.wc)
                        wc-=(tmp->stats.wc+tmp->magic);
                    if (tmp->stats.ac)
                        ac-=(tmp->stats.ac+tmp->magic);
                    if (ARMOUR_SPEED(tmp) && ARMOUR_SPEED(tmp)/10.0<max)
                        max=ARMOUR_SPEED(tmp)/10.0;
                    break;
            } /* switch tmp->type */
        } /* item is equipped */
    } /* for loop of items */

    /* We've gone through all the objects the player has equipped.  For many things, we
     * have generated intermediate values which we now need to assign.
     */

    /* 'total resistance = total protections - total vulnerabilities'.
     * If there is an uncursed potion in effect, granting more protection
     * than that, we take: 'total resistance = resistance from potion'.
     * If there is a cursed (and no uncursed) potion in effect, we take
     * 'total resistance = vulnerability from cursed potion'.
     */
    for (i=0; i<NROFATTACKS; i++) {
        op->resist[i] = prot[i] - vuln[i];
        if (potion_resist[i] && ((potion_resist[i] > op->resist[i]) ||
                                 (potion_resist[i] < 0)))
            op->resist[i] = potion_resist[i];
    }

    /* Figure out the players sp/mana/hp totals. */
    if (op->type==PLAYER) {
        int pl_level;

        check_stat_bounds(&(op->stats));
        pl_level=op->level;

        if (pl_level<1)
            pl_level=1; /* safety, we should always get 1 levels worth of hp! */

        /* You basically get half a con bonus/level.  But we do take into account rounding,
         * so if your bonus is 7, you still get 7 worth of bonus every 2 levels.
         */
        for (i=1,op->stats.maxhp=0;i<=pl_level&&i<=10;i++) {
            j = op->contr->levhp[i] + con_bonus[op->stats.Con] / 2;
            if (i%2 && con_bonus[op->stats.Con]%2) {
                if (con_bonus[op->stats.Con]>0)
                    j++;
                else
                    j--;
            }
            op->stats.maxhp+=j>1?j:1; /* always get at least 1 hp/level */
        }

        for (i=11;i<=op->level;i++)
            op->stats.maxhp+=2;

        if (op->stats.hp>op->stats.maxhp)
            op->stats.hp=op->stats.maxhp;

        /* Sp gain is controlled by the level of the player's
         * relevant experience object (mana_obj, see above)
         */
        /* following happen when skills system is not used */
        if (!mana_obj)
            mana_obj = op;
        if (!grace_obj)
            grace_obj = op;

        /* set maxsp */
        if (!mana_obj || !mana_obj->level || op->type!=PLAYER)
            mana_obj = op;

        if (mana_obj == op && op->type == PLAYER) {
            op->stats.maxsp = 1;
        } else {
            sp_tmp=0.0;
            for (i=1;i<=mana_obj->level&&i<=10;i++) {
                float stmp;

                /* Got some extra bonus at first level */
                if (i<2) {
                    stmp = op->contr->levsp[i] +((2.0 * (float)sp_bonus[op->stats.Pow] +
                                                  (float)sp_bonus[op->stats.Int])/6.0);
                } else {
                    stmp=(float)op->contr->levsp[i]
                         +(2.0 * (float)sp_bonus[op->stats.Pow] +
                           (float)sp_bonus[op->stats.Int])/12.0;
                }
                if (stmp<1.0)
                    stmp=1.0;
                sp_tmp+=stmp;
            }
            op->stats.maxsp=(int)sp_tmp;

            for (i=11;i<=mana_obj->level;i++)
                op->stats.maxsp+=2;
        }

        /* Characters can get their sp supercharged via rune of transferrance */
        if (op->stats.sp>op->stats.maxsp*2)
            op->stats.sp=op->stats.maxsp*2;

        /* set maxgrace, notice 3-4 lines below it depends on both Wis and Pow */
        if (!grace_obj || !grace_obj->level || op->type!=PLAYER)
            grace_obj = op;

        if (grace_obj == op && op->type == PLAYER) {
            op->stats.maxgrace = 1;
        } else {
            /* store grace in a float - this way, the divisions below don't create
             * big jumps when you go from level to level - with int's, it then
             * becomes big jumps when the sums of the bonuses jump to the next
             * step of 8 - with floats, even fractional ones are useful.
             */
            sp_tmp=0.0;
            for (i=1,op->stats.maxgrace=0;i<=grace_obj->level&&i<=10;i++) {
                float grace_tmp=0.0;

                /* Got some extra bonus at first level */
                if (i<2) {
                    grace_tmp = op->contr->levgrace[i]+(((float)grace_bonus[op->stats.Pow] +
                                                         2.0 * (float)grace_bonus[op->stats.Wis])/6.0);
                } else {
                    grace_tmp=(float)op->contr->levgrace[i]
                              +((float)grace_bonus[op->stats.Pow] +
                                2.0 * (float)grace_bonus[op->stats.Wis])/12.0;
                }
                if (grace_tmp<1.0)
                    grace_tmp=1.0;
                sp_tmp+=grace_tmp;
            }
            op->stats.maxgrace=(int)sp_tmp;

            /* two grace points per level after 11 */
            for (i=11;i<=grace_obj->level;i++)
                op->stats.maxgrace+=2;
        }
        /* No limit on grace vs maxgrace */

        if (op->contr->braced) {
            ac+=2;
            wc+=4;
        } else
            ac-=dex_bonus[op->stats.Dex];

        /* In new exp/skills system, wc bonuses are related to
         * the players level in a relevant exp object (wc_obj)
         * not the general player level -b.t.
         * I changed this slightly so that wc bonuses are better
         * than before. This is to balance out the fact that
         * the player no longer gets a personal weapon w/ 1
         * improvement every level, now its fighterlevel/5. So
         * we give the player a bonus here in wc and dam
         * to make up for the change. Note that I left the
         * monster bonus the same as before. -b.t.
         */

        if (op->type==PLAYER && wc_obj && wc_obj->level>1) {
            wc-=(wc_obj->level+thaco_bonus[op->stats.Str]);
            for(i=1;i<wc_obj->level;i++) {
                /* addtional wc every 6 levels */
                if(!(i%6)) wc--;
                /* addtional dam every 4 levels. */
                if(!(i%4) && (dam_bonus[op->stats.Str]>=0))
                    op->stats.dam+=(1+(dam_bonus[op->stats.Str]/5));
            }
        } else
            wc-=(op->level+thaco_bonus[op->stats.Str]);

            op->stats.dam+=dam_bonus[op->stats.Str];

            if(op->stats.dam<1)
                op->stats.dam=1;

            op->speed = 1.0 + speed_bonus[op->stats.Dex];
            if (settings.search_items && op->contr->search_str[0])
                op->speed -= 1;
            if (op->attacktype==0)
                op->attacktype=op->arch->clone.attacktype;

    } /* End if player */

    /* Max is determined by armour */
    if (op->speed>max)
        op->speed=max;

    if(added_speed>=0)
        op->speed+=added_speed/10.0;
    else /* Something wrong here...: */
        op->speed /= (float)(1.0-added_speed);

    op->speed+=bonus_speed/10.0; /* Not affected by limits */

    if(op->type == PLAYER) {
        /* f is a number the represents the number of kg above (positive num)
         * or below (negative number) that the player is carrying.  If above
         * weight limit, then player suffers a speed reduction based on how
         * much above he is, and what is max carry is
         */
        f=(op->carrying/1000)-max_carry[op->stats.Str];
        if(f>0)
            op->speed=op->speed/(1.0+f/max_carry[op->stats.Str]);
    }

    /* Put a lower limit on speed.  Note with this speed, you move once every
     * 100 ticks or so.  This amounts to once every 12 seconds of realtime.
     */
    op->speed = op->speed * speed_reduce_from_disease;

    if (op->speed<0.01 && op->type==PLAYER)
        op->speed=0.01;

    if(op->type == PLAYER) {
        float M,W,s,D,K,S,M2;

        /* (This formula was made by vidarl@ifi.uio.no)
         * Note that we never used these values again - basically
         * all of these could be subbed into one big equation, but
         * that would just be a real pain to read.
         */
        M=(max_carry[op->stats.Str]-121)/121.0;
        M2=max_carry[op->stats.Str]/100.0;
        W=weapon_weight/20000.0;
        s=2-weapon_speed/10.0;
        D=(op->stats.Dex-14)/14.0;
        K=1 + M/3.0 - W/(3*M2) + op->speed/5.0 + D/2.0;
        K*=(4+op->level)/(float)(6+op->level)*1.2;
        if(K<=0)
            K=0.01;
        S=op->speed/(K*s);
        op->contr->weapon_sp=S;
    }
    /* I want to limit the power of small monsters with big weapons: */
    if (op->type!=PLAYER&&op->arch!=NULL&&
            op->stats.dam>op->arch->clone.stats.dam*3)
        op->stats.dam=op->arch->clone.stats.dam*3;

    /* Prevent overflows of wc - best you can get is ABS(120) - this
     * should be more than enough - remember, AC is also in 8 bits,
     * so its value is the same.
     */
    if (wc>120)
        wc=120;
    else if (wc<-120)
        wc=-120;
    op->stats.wc=wc;

    if (ac>120)
        ac=120;
    else if (ac<-120)
        ac=-120;
    op->stats.ac=ac;

    /* if for some reason the creature doesn't have any move type,
     * give them walking as a default.
     * The second case is a special case - to more closely mimic the
     * old behaviour - if your flying, your not walking - just
     * one or the other.
     */
    if (op->move_type == 0)
        op->move_type = MOVE_WALK;
    else if (op->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH))
        op->move_type &= ~MOVE_WALK;

    update_ob_speed(op);

    /* It is quite possible that a player's spell costing might have changed,
     * so we will check that now.
     */
    if (op->type == PLAYER) esrv_update_spells(op->contr);
}

int allowed_class(const object *op) {
    return op->stats.Dex>0&&op->stats.Str>0&&op->stats.Con>0&&
           op->stats.Int>0&&op->stats.Wis>0&&op->stats.Pow>0&&
           op->stats.Cha>0;
}

void set_dragon_name(object *pl, const object *abil, const object *skin) {
    int atnr=-1;  /* attacknumber of highest level */
    int level=0;  /* highest level */
    int i;

    /* Perhaps do something more clever? */
    if (!abil || !skin) return;

    /* first, look for the highest level */
    for (i=0; i<NROFATTACKS; i++) {
        if (atnr_is_dragon_enabled(i) &&
                (atnr==-1 || abil->resist[i] > abil->resist[atnr])) {
            level = abil->resist[i];
            atnr = i;
        }
    }

    /* now if there are equals at highest level, pick the one with focus,
        or else at random */
    if (atnr_is_dragon_enabled(abil->stats.exp) &&
            abil->resist[abil->stats.exp] >= level)
        atnr = abil->stats.exp;

    level = (int)(level/5.);

    /* now set the new title */
    if (pl->contr != NULL) {
        if (level == 0)
            snprintf(pl->contr->title, sizeof(pl->contr->title), "%s hatchling", attacks[atnr]);
        else if (level == 1)
            snprintf(pl->contr->title, sizeof(pl->contr->title), "%s wyrm", attacks[atnr]);
        else if (level == 2)
            snprintf(pl->contr->title, sizeof(pl->contr->title), "%s wyvern", attacks[atnr]);
        else if (level == 3)
            snprintf(pl->contr->title, sizeof(pl->contr->title), "%s dragon", attacks[atnr]);
        else {
            /* special titles for extra high resistance! */
            if (skin->resist[atnr] > 80)
                snprintf(pl->contr->title, sizeof(pl->contr->title), "legendary %s dragon", attacks[atnr]);
            else if (skin->resist[atnr] > 50)
                snprintf(pl->contr->title, sizeof(pl->contr->title), "ancient %s dragon", attacks[atnr]);
            else
                snprintf(pl->contr->title, sizeof(pl->contr->title), "big %s dragon", attacks[atnr]);
        }
    }

    pl->contr->own_title[0] = '\0';
}

void dragon_level_gain(object *who) {
    object *abil = NULL;    /* pointer to dragon ability force*/
    object *skin = NULL;    /* pointer to dragon skin force*/
    object *tmp = NULL;     /* tmp. object */

    /* now grab the 'dragon_ability'-forces from the player's inventory */
    for (tmp=who->inv; tmp!=NULL; tmp=tmp->below) {
        if (tmp->type == FORCE) {
            if (strcmp(tmp->arch->name, "dragon_ability_force")==0)
                abil = tmp;
            if (strcmp(tmp->arch->name, "dragon_skin_force")==0)
                skin = tmp;
        }
    }
    /* if the force is missing -> bail out */
    if (abil == NULL) return;

    /* The ability_force keeps track of maximum level ever achieved.
     * New abilties can only be gained by surpassing this max level
     */
    if (who->level > abil->level) {
        /* increase our focused ability */
        abil->resist[abil->stats.exp]++;

        if (abil->resist[abil->stats.exp]>0 && abil->resist[abil->stats.exp]%5 == 0) {
            /* time to hand out a new ability-gift */
            dragon_ability_gain(who, (int)abil->stats.exp,
                                (int)((1+abil->resist[abil->stats.exp])/5.));
        }

        if (abil->last_eat > 0 && atnr_is_dragon_enabled(abil->last_eat)) {
            /* apply new ability focus */
            draw_ext_info_format(NDI_UNIQUE|NDI_BLUE, 0, who, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_RACE,
                                 "Your metabolism now focuses on %s!",
                                 "Your metabolism now focuses on %s!",
                                 change_resist_msg[abil->last_eat]);

            abil->stats.exp = abil->last_eat;
            abil->last_eat = 0;
        }

        abil->level = who->level;
    }

    /* last but not least, set the new title for the dragon */
    set_dragon_name(who, abil, skin);
}

object *give_skill_by_name(object *op, const char *skill_name) {
    object *skill_obj;
    archetype *skill_arch;

    skill_arch = get_archetype_by_skill_name(skill_name, SKILL);
    if (!skill_arch) {
        LOG(llevError, "add_player_exp: couldn't find skill %s\n", skill_name);
        return NULL;
    }
    skill_obj = arch_to_object(skill_arch); /* never returns NULL. */

    /* clear the flag - exp goes into this bucket, but player
     * still doesn't know it.
     */
    CLEAR_FLAG(skill_obj, FLAG_CAN_USE_SKILL);
    skill_obj->stats.exp = 0;
    skill_obj->level = 1;
    insert_ob_in_ob(skill_obj, op);
    if (op->contr) {
        op->contr->last_skill_ob[skill_obj->subtype] = skill_obj;
        op->contr->last_skill_exp[skill_obj->subtype] = -1;
    }
    return skill_obj;
}


void player_lvl_adj(object *who, object *op) {
    char buf[MAX_BUF];

    if (!op)       /* when rolling stats */
        op = who;

    if (op->level < settings.max_level && op->stats.exp >= level_exp(op->level+1,who->expmul)) {
        op->level++;

        if (op != NULL && op == who && op->stats.exp > 1 && is_dragon_pl(who))
            dragon_level_gain(who);

        /* Only roll these if it is the player (who) that gained the level */
        if (who && op==who && (who->level < 11) && who->type==PLAYER) {
            who->contr->levhp[who->level] = die_roll(2, 4, who, PREFER_HIGH)+1;
            who->contr->levsp[who->level] = die_roll(2, 3, who, PREFER_HIGH);
            who->contr->levgrace[who->level]=die_roll(2, 2, who, PREFER_HIGH)-1;
        }

        if (who)
            fix_object(who);
        if (op->level>1) {
            if (op->type!=PLAYER)
                snprintf(buf, sizeof(buf), "You are now level %d in the %s skill.",op->level,op->name);
            else
                snprintf(buf, sizeof(buf), "You are now level %d.",op->level);

            if (who)
                draw_ext_info(NDI_UNIQUE|NDI_RED, 0, who, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_LEVEL_GAIN,buf, buf);
        }
        player_lvl_adj(who,op); /* To increase more levels */
    } else if (op->level>1 && op->stats.exp<level_exp(op->level,who->expmul)) {
        op->level--;
        if (who)
            fix_object(who);
        if (op->type!=PLAYER) {
            if (who)
                draw_ext_info_format(NDI_UNIQUE|NDI_RED, 0, who, MSG_TYPE_ATTRIBUTE, MSG_TYPE_ATTRIBUTE_LEVEL_LOSS,
                                     "You are now level %d in the %s skill.",
                                     "You are now level %d in the %s skill.",
                                     op->level,op->name);
        }
        player_lvl_adj(who,op); /* To decrease more levels */
    }
    /* check if the spell data has changed */
    esrv_update_spells(who->contr);
}

sint64 level_exp(int level,double expmul) {
    if (level > settings.max_level)
        return expmul * levels[settings.max_level];
    return expmul * levels[level];
}

void calc_perm_exp(object *op) {
    sint64 p_exp_min;

    /* Ensure that our permanent experience minimum is met.
     * permenent_exp_ratio is an integer percentage, we divide by 100
     * to get the fraction   */
    p_exp_min = settings.permanent_exp_ratio*op->stats.exp/100;

    if (op->perm_exp < p_exp_min)
        op->perm_exp = p_exp_min;

    /* Cap permanent experience. */
    if (op->perm_exp < 0)
        op->perm_exp = 0;
    else if (op->perm_exp > MAX_EXPERIENCE)
        op->perm_exp = MAX_EXPERIENCE;
}


static void add_player_exp(object *op, sint64 exp, const char *skill_name, int flag) {
    object *skill_obj=NULL;
    sint64 limit, exp_to_add;
    int i;

    /* prevents some forms of abuse. */
    if (op->contr->braced) exp=exp/5;

    /* Try to find the matching skill.
     * We do a shortcut/time saving mechanism first - see if it matches
     * chosen_skill.  This means we don't need to search through
     * the players inventory.
     */
    if (skill_name) {
        if (op->chosen_skill && op->chosen_skill->type == SKILL &&
                !strcmp(skill_name, op->chosen_skill->skill))
            skill_obj = op->chosen_skill;
        else {
            for (i=0; i<NUM_SKILLS; i++)
                if (op->contr->last_skill_ob[i] &&
                        !strcmp(op->contr->last_skill_ob[i]->skill, skill_name)) {
                    skill_obj = op->contr->last_skill_ob[i];
                    break;
                }

            /* Player doesn't have the skill.  Check to see what to do, and give
                * it to the player if necessary
                */
            if (!skill_obj) {
                if (flag == SK_EXP_NONE) return;
                else if (flag == SK_EXP_ADD_SKILL)
                    skill_obj = give_skill_by_name(op, skill_name);
            }
        }
    }

    /* Basically, you can never gain more experience in one shot
     * than half what you need to gain for next level.
     */
    exp_to_add = exp;
    limit=(levels[op->level+1]-levels[op->level])/2;
    if (exp_to_add > limit) exp_to_add=limit;

    ADD_EXP(op->stats.exp, (float) exp_to_add * (skill_obj? skill_obj->expmul:1));
    if (settings.permanent_exp_ratio) {
        ADD_EXP(op->perm_exp, (float) exp_to_add * PERM_EXP_GAIN_RATIO * (skill_obj? skill_obj->expmul:1));
        calc_perm_exp(op);
    }

    player_lvl_adj(op,NULL);
    if (skill_obj) {
        exp_to_add = exp;
        limit=(levels[skill_obj->level+1]-levels[skill_obj->level])/2;
        if (exp_to_add > limit) exp_to_add=limit;
        ADD_EXP(skill_obj->stats.exp, exp_to_add);
        if (settings.permanent_exp_ratio) {
            skill_obj->perm_exp += exp_to_add * PERM_EXP_GAIN_RATIO;
            calc_perm_exp(skill_obj);
        }
        player_lvl_adj(op,skill_obj);
    }
}

sint64 check_exp_loss(const object *op, sint64 exp) {
    sint64 del_exp;

    if (exp > op->stats.exp) exp = op->stats.exp;
    if (settings.permanent_exp_ratio) {
        del_exp = (op->stats.exp - op->perm_exp) * PERM_EXP_MAX_LOSS_RATIO;
        if (del_exp < 0) del_exp = 0;
        if (exp > del_exp) exp=del_exp;
    }
    return exp;
}

sint64 check_exp_adjust(const object *op, sint64 exp) {
    if (exp<0) return check_exp_loss(op, exp);
    else return MIN(exp, MAX_EXPERIENCE - op->stats.exp);
}


static void subtract_player_exp(object *op, sint64 exp, const char *skill, int flag) {
    float fraction = (float) exp/(float) op->stats.exp;
    object *tmp;
    sint64 del_exp;

    for (tmp=op->inv;tmp;tmp=tmp->below)
        if (tmp->type==SKILL && tmp->stats.exp) {
            if (flag == SK_SUBTRACT_SKILL_EXP && skill && !strcmp(tmp->skill, skill)) {
                del_exp = check_exp_loss(tmp, exp);
                tmp->stats.exp -= del_exp;
                player_lvl_adj(op, tmp);
            } else if (flag != SK_SUBTRACT_SKILL_EXP) {
                /* only want to process other skills if we are not trying
                    * to match a specific skill.
                    */
                del_exp = check_exp_loss(tmp, tmp->stats.exp * fraction);
                tmp->stats.exp -= del_exp;
                player_lvl_adj(op, tmp);
            }
        }
    if (flag != SK_SUBTRACT_SKILL_EXP) {
        del_exp = check_exp_loss(op, exp);
        op->stats.exp -= del_exp;
        player_lvl_adj(op,NULL);
    }
}



void change_exp(object *op, sint64 exp, const char *skill_name, int flag) {

#ifdef EXP_DEBUG
    char name[MAX_BUF];
    query_name(op, name, MAX_BUF);
#ifndef WIN32
    LOG(llevDebug,"change_exp() called for %s, exp = %lld\n",name,exp);
#else
    LOG(llevDebug,"change_exp() called for %s, exp = %I64d\n",name,exp);
#endif
#endif

    /* safety */
    if (!op) {
        LOG(llevError,"change_exp() called for null object!\n");
        return;
    }

    /* if no change in exp, just return - most of the below code
     * won't do anything if the value is 0 anyways.
     */
    if (exp == 0) return;

    /* Monsters are easy - we just adjust their exp - we
     * don't adjust level, since in most cases it is unrelated to
     * the exp they have - the monsters exp represents what its
     * worth.
     */
    if (op->type != PLAYER) {
        /* Sanity check */
        if (!QUERY_FLAG(op, FLAG_ALIVE)) return;

        /* reset exp to max allowed value.  We subtract from
        * MAX_EXPERIENCE to prevent overflows.  If the player somehow has
        * more than max exp, just return.
        */
        if (exp > 0 && (op->stats.exp > (MAX_EXPERIENCE - exp))) {
            exp = MAX_EXPERIENCE - op->stats.exp;
            if (exp < 0) return;
        }

        op->stats.exp += exp;
    } else {   /* Players only */
        if (exp>0)
            add_player_exp(op, exp, skill_name, flag);
        else
            subtract_player_exp(op, FABS(exp), skill_name, flag);
    }
}

void apply_death_exp_penalty(object *op) {
    object *tmp;
    sint64 loss;
    sint64 percentage_loss;  /* defined by the setting 'death_penalty_percent' */
    sint64 level_loss;   /* defined by the setting 'death_penalty_levels */

    for (tmp=op->inv;tmp;tmp=tmp->below)
        if (tmp->type==SKILL && tmp->stats.exp) {

            percentage_loss = tmp->stats.exp * settings.death_penalty_ratio/100;
            level_loss = tmp->stats.exp - levels[MAX(0,tmp->level - settings.death_penalty_level)];

            /* With the revised exp system, you can get cases where
            * losing several levels would still require that you have more
            * exp than you currently have - this is true if the levels
            * tables is a lot harder.
            */
            if (level_loss < 0) level_loss = 0;

            loss = check_exp_loss(tmp, MIN(level_loss, percentage_loss));

            tmp->stats.exp -= loss;
            player_lvl_adj(op,tmp);
        }

    percentage_loss = op->stats.exp * settings.death_penalty_ratio/100;
    level_loss = op->stats.exp - levels[MAX(0,op->level - settings.death_penalty_level)];
    if (level_loss < 0) level_loss = 0;
    loss = check_exp_loss(op, MIN(level_loss, percentage_loss));

    op->stats.exp -= loss;
    player_lvl_adj(op,NULL);
}

int did_make_save(const object *op, int level, int bonus) {
    if (level > MAX_SAVE_LEVEL) level = MAX_SAVE_LEVEL;

    if ((random_roll(1, 20, op, PREFER_HIGH) + bonus) < savethrow[level])
        return 0;
    return 1;
}

void share_exp(object *op, sint64 exp, const char *skill, int flag) {
    int shares=0,count=0;
    player *pl;
    partylist *party;

    if (op->type!=PLAYER || op->contr->party==NULL) {
        change_exp(op,exp, skill, 0);
        return;
    }

    party = op->contr->party;

    for (pl=first_player;pl!=NULL;pl=pl->next) {
        if (party && pl->ob->contr->party==party && on_same_map(pl->ob, op)) {
            count++;
            shares += (pl->ob->level+4);
        }
    }
    if (count==1 || shares>exp)
        change_exp(op,exp, skill, flag);
    else {
        sint64 share=exp/shares,given=0,nexp;
        for (pl=first_player;pl!=NULL;pl=pl->next) {
            if (party && pl->ob->contr->party==party && on_same_map(pl->ob, op)) {
                nexp=(pl->ob->level+4)*share;
                change_exp(pl->ob,nexp, skill, SK_EXP_TOTAL);
                given+=nexp;
            }
        }
        exp-=given;
        /* give any remainder to the player */
        change_exp(op,exp, skill, flag);
    }
}

---