types/pit.c

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/************************************************************************
*            Atrinik, a Multiplayer Online Role Playing Game            *
*                                                                       *
*    Copyright (C) 2009-2011 Alex Tokar and Atrinik Development Team    *
*                                                                       *
* Fork from Daimonin (Massive Multiplayer Online Role Playing Game)     *
* and Crossfire (Multiplayer game for X-windows).                       *
*                                                                       *
* 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 author can be reached at admin@atrinik.org                        *
************************************************************************/

#include <global.h>

void move_pit(object *op)
{
    object *next,*tmp;

    /* We're opening */
    if (op->value)
    {
        /* Opened, let's stop */
        if (--op->stats.wc <= 0)
        {
            op->stats.wc = 0;
            op->speed = 0;
            update_ob_speed(op);
            SET_FLAG(op, FLAG_WALK_ON);

            for (tmp = op->above; tmp != NULL; tmp = next)
            {
                next = tmp->above;
                move_apply(op, tmp, tmp, 0);
            }
        }

        op->state = (uint8) op->stats.wc;
        SET_ANIMATION(op, (NUM_ANIMATIONS(op) / NUM_FACINGS(op)) * op->direction + op->state);
        update_object(op, UP_OBJ_FACE);
        return;
    }

    /* We're closing */
    CLEAR_FLAG(op, FLAG_WALK_ON);
    op->stats.wc++;

    if ((int) op->stats.wc >= NUM_ANIMATIONS(op) / NUM_FACINGS(op))
    {
        op->stats.wc = NUM_ANIMATIONS(op) / NUM_FACINGS(op) - 1;
    }

    op->state = (uint8) op->stats.wc;
    SET_ANIMATION(op, (NUM_ANIMATIONS(op) / NUM_FACINGS(op)) * op->direction + op->state);
    update_object(op, UP_OBJ_FACE);

    if ((unsigned char) op->stats.wc == (NUM_ANIMATIONS(op) / NUM_FACINGS(op) - 1))
    {
        op->speed = 0;

        /* Closed, let's stop */
        update_ob_speed(op);
        return;
    }
}