src/Scene.cpp

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#include "Scene.h"
#include "Animator.h"


#ifdef DEBUG
__thread long long int Scene::mBounced = 0;
#endif

Scene::Scene()
    : mObjects(),
        mLights(),
        mTextures(),
        mShaders(),
        mAnimators(),
        mBgColor(),
        mCastShadows(true),
        mPhysics(),
        mFrameNr(0)
{
#ifdef DEBUG
    mBounced = 0;
#endif
}


Scene::~Scene()
{
    clear();
#ifdef DEBUG
    LOG("Scene statistics:  bounced " << mBounced << " times");
#endif
}

void Scene::removeObject(Object * obj)
{
    for (std::vector<Object*>::iterator it=mObjects.begin(); it != mObjects.end(); it++)
    {
        if ((*it) == obj)
        {
            delete (*it);
            mObjects.erase(it);
            break;
        }
    }
    mPhysics.remove(obj);
}

void Scene::removeLight(Light * light)
{
    for (std::vector<Light*>::iterator it=mLights.begin(); it != mLights.end(); it++)
    {
        if ((*it) == light)
        {
            delete (*it);
            mLights.erase(it);
            break;
        }
    }
}


void Scene::clear()
{
    for (unsigned int i=0; i < mObjects.size(); i++)
        delete mObjects[i];
    mObjects.clear();

    for (unsigned int i=0; i < mLights.size(); i++)
        delete mLights[i];
    mLights.clear();

    for(unsigned int i=0; i < mTextures.size(); i++)
        delete mTextures[i];
    mTextures.clear();

    for(unsigned int i=0; i< mShaders.size(); i++)
        delete mShaders[i];
    mShaders.clear();

    for(unsigned int i=0; i< mAnimators.size(); i++)
        delete mAnimators[i];
    mAnimators.clear();

    mFrameNr = 0;
#ifdef DEBUG
    mBounced = 0;
#endif
}


void Scene::step()
{
    // change object properties for the next frame
    for(unsigned int i=0; i< mAnimators.size(); i++)
        mAnimators[i]->animate(mFrameNr);

    // run physics to update objects
    mPhysics.step();
    mFrameNr++;
}

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