////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2003
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////


// TriNodePool.cpp: implementation of the TriNodePool class.
//
//////////////////////////////////////////////////////////////////////

#include <landscape/TriNodePool.h>

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

TriNodePool *TriNodePool::instance_ = 0;

TriNodePool *TriNodePool::instance()
{
	if (!instance_)
	{
		instance_ = new TriNodePool;
	}

	return instance_;
}

TriNodePool::TriNodePool()

{
	triNodeCount_ = nodes_ = new TriNode[100000];
	triNodeMaxCount_ = &nodes_[100000 - 1];
}

TriNodePool::~TriNodePool()
{
	delete [] nodes_;
}

TriNode *TriNodePool::getNextTriNode()
{
	if (triNodeCount_ == triNodeMaxCount_) return 0;

	TriNode *pTri = triNodeCount_++;
	pTri->LeftChild = pTri->RightChild = 0;

	return pTri;
}

void TriNodePool::reset()
{
	triNodeCount_ = nodes_;
}