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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * 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 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 General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
/**
* \file common/iman.h
* \brief Instance manager for managed classes
*/
#pragma once
#include "common/singleton.h"
/**
* \enum ManagedClassType
* \brief Type of class managed by CInstanceManager
*/
/*
* TODO: Non-unique classes have already been removed.
* The other class instances along with CInstanceManager will be removed in due course.
*/
enum ManagedClassType
{
//! CObject
CLASS_OBJECT = 0,
//! CPhysics
CLASS_PHYSICS = 1,
//! CBrain
CLASS_BRAIN = 2,
//! Gfx::CPyro
CLASS_PYRO = 3,
//! Maximum (number of managed classes)
CLASS_MAX = 4
};
/**
* \struct ManagedClassInstances
* \brief Instances of class managed by CInstanceManager
*/
struct ManagedClassInstances
{
int maxCount;
int usedCount;
void** instances;
};
/**
* \class CInstanceManager
* \brief Manager for instances of certain classes
*
* Instance manager (often shortened to iMan) allows to register instances of
* classes and search them.
*/
class CInstanceManager : public CSingleton<CInstanceManager>
{
public:
CInstanceManager();
virtual ~CInstanceManager();
//! Remove all managed instances
void Flush();
//! Removes instances of one type of class
void Flush(ManagedClassType classType);
//! Registers new instance of class type
bool AddInstance(ManagedClassType classType, void* instance, int max=1);
//! Deletes the registered instance of class type
bool DeleteInstance(ManagedClassType classType, void* instance);
//! Seeks a class instance of given type
void* SearchInstance(ManagedClassType classType, int rank=0);
protected:
//! Fills holes in instance table
void Compress(ManagedClassType classType);
protected:
ManagedClassInstances m_table[CLASS_MAX];
};
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