ParticlePool.cpp

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/*
     ██╗  ██╗  █████╗  ████████╗  █████╗  ███╗   ██╗  █████╗
     ██║ ██╔╝ ██╔══██╗ ╚══██╔══╝ ██╔══██╗ ████╗  ██║ ██╔══██╗
     █████╔╝  ███████║    ██║    ███████║ ██╔██╗ ██║ ███████║
     ██╔═██╗  ██╔══██║    ██║    ██╔══██║ ██║╚██╗██║ ██╔══██║
     ██║  ██╗ ██║  ██║    ██║    ██║  ██║ ██║ ╚████║ ██║  ██║
     ╚═╝  ╚═╝ ╚═╝  ╚═╝/\  ╚═╝    ╚═╝  ╚═╝ ╚═╝  ╚═══╝ ╚═╝  ╚═╝
   /vvvvvvvvvvvvvvvvvvv \=========================================,
   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC
                http://www.shurikenstudios.com
*/
 
#include "KatanaEngine.h"
 
namespace KatanaEngine
{
    
    ParticlePool::ParticlePool(IParticleUpdater *pUpdater, IParticleRenderer *pRenderer)
    {
        m_pUpdater = pUpdater;
        m_pRenderer = pRenderer;
    }
 
    ParticlePool::~ParticlePool()
    {
        for (IParticle* pParticle : m_particles) delete pParticle;
 
        delete m_pUpdater;
        delete m_pRenderer;
    }
 
    void ParticlePool::Update(const GameTime& gameTime)
    {
        m_particlesIt = m_particles.begin();
        for (; m_particlesIt != m_particles.end(); m_particlesIt++)
        {
            IParticle* pParticle = *m_particlesIt;
            if (!pParticle->IsActive()) continue;
            m_pUpdater->Update(pParticle, gameTime);
        }
    }
 
    void ParticlePool::Draw(SpriteBatch& spriteBatch)
    {
        m_particlesIt = m_particles.begin();
        for (; m_particlesIt != m_particles.end(); m_particlesIt++)
        {
            IParticle* pParticle = *m_particlesIt;
            if (!pParticle->IsActive()) continue;
            m_pRenderer->Draw(pParticle, spriteBatch);
        }
    }
 
    IParticle* ParticlePool::GetInactiveParticle()
    {
        m_particlesIt = m_particles.begin();
        for (; m_particlesIt != m_particles.end(); m_particlesIt++)
        {
            IParticle* pParticle = *m_particlesIt;
            if (!pParticle->IsActive()) return pParticle;
        }
 
        return nullptr;
    }
 
}