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/* Copyright (C) 2011 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_PARTICLEMANAGER
#define INCLUDED_PARTICLEMANAGER
#include "graphics/ParticleEmitter.h"
#include "graphics/ParticleEmitterType.h"
#include <boost/random/mersenne_twister.hpp>
#include <boost/unordered_map.hpp>
class SceneCollector;
class CParticleManager
{
public:
CParticleManager();
~CParticleManager();
CParticleEmitterTypePtr LoadEmitterType(const VfsPath& path);
/**
* Tell the manager to handle rendering of an emitter that is no longer
* attached to a unit.
*/
void AddUnattachedEmitter(const CParticleEmitterPtr& emitter);
/**
* Delete unattached emitters if we don't wish to see them anymore (like in actor viewer)
*/
void ClearUnattachedEmitters();
void RenderSubmit(SceneCollector& collector, const CFrustum& frustum);
void Interpolate(const float simFrameLength);
float GetCurrentTime() const { return m_CurrentTime; }
Status ReloadChangedFile(const VfsPath& path);
/// Random number generator shared between all particle emitters.
boost::mt19937 m_RNG;
private:
float m_CurrentTime;
std::list<CParticleEmitterPtr> m_UnattachedEmitters;
boost::unordered_map<VfsPath, CParticleEmitterTypePtr> m_EmitterTypes;
};
#endif // INCLUDED_PARTICLEMANAGER
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