BlitzUtility/Utility/IndexerV1.h

//	BlitzUtility - Expanding the normal Blitz functionality.
//	Copyright (C) 2015 Project Kube (Michael Fabian Dirks)
//
//	This program is free software: you can redistribute it and/or modify
//	it under the terms of the GNU Lesser General Public License as
//	published by the Free Software Foundation, either version 3 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 Lesser General Public License
//	along with this program.  If not, see <http://www.gnu.org/licenses/>.

#pragma once
#include <cstdlib>
#include <list>
#include "dllmain.h"

// 67108864 = 2 ^ 32 / 64
#define INDEXER_INDEXES 67108864

/** Indexer structure helps with getting unique, unused Indexes (Ids).
  * Doing this natively would be too slow, so I'm using a DLL for this.
  */
struct IndexerV1 {
	uint64_t indexes[67108864];
	uint32_t lastAssignedIndex;

	unsigned int GetFreeIndex();
	void MarkFreeIndex(int index);
};