iregobjs.cc

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/*
Copyright (C) 1998  Jeffrey S. Freedman

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.
*/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "contain.h"
#include "gamewin.h"
#include "gamemap.h"
#include "chunks.h"
#include "cheat.h"
#include "databuf.h"
#include "ucsched.h"
#include "Gump_manager.h"

using std::ostream;

/*
 *  Paint at given spot in world.
 */

void Ireg_game_object::paint
  (
  )
  {
  int x, y;
  gwin->get_shape_location(this, x, y);
  if (flags & (1L << Obj_flags::invisible))
    paint_invisible(x, y);
  else
    paint_shape(x, y);
  }

/*
 *  Move to a new absolute location.  This should work even if the old
 *  location is invalid (cx=cy=255).
 */

void Ireg_game_object::move
  (
  int newtx, 
  int newty, 
  int newlift
  )
  {
  if (owner)      // Watch for this.
    {
    owner->remove(this);
    set_invalid();    // So we can safely move it back.
    }
  Game_object::move(newtx, newty, newlift);
  }

/*
 *  Remove an object from its container, or from the world.
 *  The object is deleted.
 */

void Ireg_game_object::remove_this
  (
  int nodel     // 1 to not delete.
  )
  {
  if (owner)      // In a bag, box, or person.
    owner->remove(this);
  else        // In the outside world.
    {
    Map_chunk *chunk = gmap->get_chunk_safely(cx, cy);
    if (chunk)
      chunk->remove(this);
    }
  if (!nodel)
  {
    cheat.clear_this_grabbed_actor((Actor*)this); // Could be an actor
    gwin->delete_object(this);
  }
  }

/*
 *  Can this be dragged?
 */

int Ireg_game_object::is_dragable
  (
  ) const
  {
          // 0 weight means 'too heavy'.
  return get_info().get_weight() > 0;
  }

/*
 *  Write out.
 */

void Ireg_game_object::write_ireg
  (
  DataSource *out
  )
  {
  unsigned char buf[11];    // 10-byte entry + length-byte.
  buf[0] = 10;
  write_common_ireg(&buf[1]);
  buf[5] = (get_lift()&15)<<4;
  buf[6] = get_quality();
  Shape_info& info = get_info();
  if (info.has_quality_flags())
    {     // Store 'quality_flags'.
    buf[6] = get_flag((Obj_flags::invisible) != 0) +
      ((get_flag(Obj_flags::okay_to_take) != 0) << 3);
    }
          // Special case for 'quantity' items:
  else if (get_flag(Obj_flags::okay_to_take) && info.has_quantity())
    buf[6] |= 0x80;

  buf[7] = (get_flag(Obj_flags::is_temporary) != 0);
  out->write((char*)buf, sizeof(buf));
          // Write scheduled usecode.
  Game_map::write_scheduled(out, this); 
  }

// Get size of IREG. Returns -1 if can't write to buffer
int Ireg_game_object::get_ireg_size()
{
  // These shouldn't ever happen, but you never know
  if (gumpman->find_gump(this) || Usecode_script::find(this))
    return -1;

  return 11;
}

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