unit_manager.h

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//       _________ __                 __
//      /   _____//  |_____________ _/  |______     ____  __ __  ______
//      \_____  \\   __\_  __ \__  \\   __\__  \   / ___\|  |  \/  ___/
//      /        \|  |  |  | \// __ \|  |  / __ \_/ /_/  >  |  /\___ |
//     /_______  /|__|  |__|  (____  /__| (____  /\___  /|____//____  >
//             \/                  \/          \//_____/            \/
//  ______________________                           ______________________
//                        T H E   W A R   B E G I N S
//         Stratagus - A free fantasy real time strategy game engine
//
//
//      (c) Copyright 2007 by Jimmy Salmon
//
//      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; only version 2 of the License.
//
//      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.
 
#ifndef __UNITMANAGER_H__
#define __UNITMANAGER_H__
 
 
/*----------------------------------------------------------------------------
--  Includes
----------------------------------------------------------------------------*/
 
#include <vector>
#include <list>
 
 
/*----------------------------------------------------------------------------
--  Declarations
----------------------------------------------------------------------------*/
 
class CUnit;
class CFile;
struct lua_State;
 
class CUnitManager
{
public:
        typedef std::vector<CUnit *>::iterator Iterator;
public:
        CUnitManager();
        void Init();
 
        CUnit *AllocUnit();
        void ReleaseUnit(CUnit *unit);
        void Save(CFile &file) const;
        void Load(lua_State *Lua);
 
        // Following is for already allocated Unit (no specific order)
        void Add(CUnit *unit);
        Iterator begin();
        Iterator end();
        const std::vector<CUnit *> &GetUnits() const
        {
                return units;
        }
 
        bool empty() const;
 
        CUnit *lastCreatedUnit();
 
        // Following is mainly for scripting
        CUnit &GetSlotUnit(int index) const;
        unsigned int GetUsedSlotCount() const;
 
private:
        std::vector<CUnit *> units;
        std::vector<CUnit *> unitSlots;
        std::list<CUnit *> releasedUnits;
        CUnit *lastCreated;
};
 
 
/*----------------------------------------------------------------------------
--  Variables
----------------------------------------------------------------------------*/
 
extern CUnitManager *UnitManager;   
 
 
#endif // !__UNITMANAGER_H__