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/*
* The Mana Client
* Copyright (C) 2008-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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 2 of the License, or
* 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/>.
*/
#ifndef PARTICLE_CONTAINER_H
#define PARTICLE_CONTAINER_H
#include <list>
#include <vector>
class Particle;
/**
* Set of particle effects. May be stacked with other ParticleContainers. All
* operations herein affect such stacked containers, unless the operations end
* in `Locally'.
*/
class ParticleContainer
{
public:
/**
* Constructs a new particle container and assumes responsibility for
* its parent (for all operations defined herein, except when ending in `Locally')
*
* delParent means that the destructor should also free the parent.
*/
ParticleContainer(ParticleContainer *parent = nullptr, bool delParent = true);
virtual ~ParticleContainer();
/**
* Kills and removes all particle effects
*/
void clear();
/**
* Kills and removes all particle effects (only in this container)
*/
virtual void clearLocally() {}
/**
* Sets the positions of all elements
*/
virtual void moveTo(float x, float y);
protected:
bool mDelParent; /**< Delete mNext in destructor */
ParticleContainer *mNext; /**< Contained container, if any */
};
/**
* Linked list of particle effects.
*/
class ParticleList final : public ParticleContainer
{
public:
ParticleList(ParticleContainer *parent = nullptr, bool delParent = true);
~ParticleList() override;
/**
* Takes control of and adds a particle
*/
void addLocally(Particle *);
/**
* `kills' and removes a particle
*/
void removeLocally(Particle *);
void clearLocally() override;
void moveTo(float x, float y) override;
protected:
std::list<Particle *> mElements; /**< Contained particle effects */
};
/**
* Particle container with indexing facilities
*/
class ParticleVector final : public ParticleContainer
{
public:
ParticleVector(ParticleContainer *parent = nullptr, bool delParent = true);
~ParticleVector() override;
/**
* Sets a particle at a specified index. Kills the previous particle
* there, if needed.
*/
void setLocally(int index, Particle *particle);
/**
* Removes a particle at a specified index
*/
void delLocally(int index);
void clearLocally() override;
void moveTo(float x, float y) override;
protected:
std::vector<Particle *> mIndexedElements;
};
#endif
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