trace_t.java :  » Game » jake2-ext » jake2 » game » Java Open Source

/*
Copyright (C) 1997-2001 Id Software, Inc.

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */
// Created on 31.10.2003 by RST.
// $Id: trace_t.java,v 1.5 2005/01/14 16:09:42 cawe Exp $
package jake2.game;

import jake2.util.Math3D;

//a trace is returned when a box is swept through the world
public class trace_t {

  public boolean allsolid; // if true, plane is not valid
  public boolean startsolid; // if true, the initial point was in a solid area
  public float fraction; // time completed, 1.0 = didn't hit anything
  public float[] endpos = {0, 0, 0}; // final position
  // memory
  public cplane_t plane = new cplane_t(); // surface normal at impact
  // pointer
  public csurface_t surface; // surface hit
  public int contents; // contents on other side of surface hit
  // pointer
  public edict_t ent; // not set by CM_*() functions

  public void set(trace_t from) {
    allsolid = from.allsolid;
    startsolid = from.allsolid;
    fraction = from.fraction;
    Math3D.VectorCopy(from.endpos, endpos);
    plane.set(from.plane);
    surface = from.surface;
    contents = from.contents;
    ent = from.ent;
  }

  public void clear() {
    allsolid = false;
    startsolid = false;
    fraction = 0;
    Math3D.VectorClear(endpos);
    plane.clear();
    surface = null;
    contents = 0;
    ent = null;
  }
}