/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

GtkRadiant 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.

GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "stdafx.h"

/*!
connects two entities creating a unique target/targetname value 
*/
void Entity_Connect(entity_t *e1, entity_t *e2)
{
  const char *maptarget;
  char newtarget[16];
  int maxtarget=0;  // highest t# value in the map
  entity_t *e;      // map entities

  if (e1 == e2)
	{
#ifdef _DEBUG    
		Sys_Status ("Entity_Connect: Brushes are from same entity.", 0);
#endif
		return;
	}

  for (e=entities.next ; e != &entities ; e=e->next)
  {
    maptarget = ValueForKey (e, "target");
    if (maptarget && maptarget[0])
    {
      int targetnum = atoi(maptarget+1);
      if (targetnum > maxtarget)
        maxtarget = targetnum;
    }
  }
  sprintf (newtarget, "t%i", maxtarget+1);
  
#ifdef _DEBUG
  Sys_Printf("Connecting entities with new target/targetname: %s\n", newtarget);
#endif  
  
	SetKeyValue (e1, "target", newtarget);
	SetKeyValue (e2, "targetname", newtarget);
}

int GetUniqueTargetId(int iHint)
{
	int iMin, iMax, i;
	bool fFound;
	entity_t *pe;
	
	fFound = FALSE;
	pe = entities.next;
	iMin = 0; 
	iMax = 0;
	
	for (; pe != NULL && pe != &entities ; pe = pe->next)
	{
		i = IntForKey(pe, "target");
		if (i)
		{
			iMin = MIN(i, iMin);
			iMax = MAX(i, iMax);
			if (i == iHint)
				fFound = TRUE;
		}
	}

	if (fFound)
		return iMax + 1;
	else
		return iHint;
}