common_trap.c

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/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2007 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at crossfire-devel@real-time.com
*/

#include <global.h>
#include <ob_methods.h>
#include <ob_types.h>
#include <sounds.h>
#include <sproto.h>

method_ret common_trap_type_move_on(ob_methods *context, object *trap, object *victim, object *originator) {
    if (common_pre_ob_move_on(trap, victim, originator) == METHOD_ERROR)
        return METHOD_OK;
    if (trap->level && QUERY_FLAG(victim, FLAG_ALIVE))
        spring_trap(trap, victim);
    common_post_ob_move_on(trap, victim, originator);
    return METHOD_OK;
}

method_ret common_trap_type_process(ob_methods *context, object *op) {
    int det = 0;

    if (!op->level) {
        return METHOD_OK;  /* runes of level zero cannot detonate. */
    }

    det = op->invisible;
    if (!(rndm(0, MAX(1, (op->stats.Cha))-1))) {
        op->invisible = 0;
        op->speed_left -= 1;
    } else
        op->invisible = 1;
    if (op->invisible != det)
        update_object(op, UP_OBJ_FACE);
    return METHOD_OK;
}