/*
    Apophysis Plugin

    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.
*/

typedef struct {
    double extrude_root_face;
} Variables;

#include "apoplugin.h"

APO_PLUGIN("extrude");
APO_VARIABLES(
    VAR_REAL(extrude_root_face, 0.5)
);

int PluginVarPrepare(Variation* vp) { return TRUE; }

int PluginVarCalc(Variation* vp)
{
    if ((((rand() ^ (rand()<<15)) & 0xfffffff) / (double) 0xfffffff) < vp->var.extrude_root_face)
         FPz = (vp->vvar<0?0:vp->vvar);
    else FPz = vp->vvar * (((rand() ^ (rand()<<15)) & 0xfffffff) / (double) 0xfffffff);
    return TRUE;
}