/*!
 * \file src/SkeletalModel.cpp
 * \brief This is the factored out skeletal model class
 *
 * \author Mongoose
 */

#include "SkeletalModel.h"

////////////////////////////////////////////////////////////
// Constructors
////////////////////////////////////////////////////////////

SkeletalModel::SkeletalModel()
{
    model = 0x0;
    flags = 0;
    mBoneFrame = 0;
    mAnimationFrame = 0;
    mIdleAnimation = 0;
    time = 0.0f;
    lastTime = 0.0f;
    rate = 0.0f;
}


SkeletalModel::~SkeletalModel()
{
    if (model)
    {
        for (model->animation.start();
                model->animation.forward();
                model->animation.next())
        {
            animation_frame_t *af = model->animation.current();

            if (!af)
                continue;

            for (af->frame.start(); af->frame.forward(); af->frame.next())
            {
                bone_frame_t *bf = af->frame.current();

                if (!bf)
                    continue;

                bf->tag.erase();

                //for (bf->tag.start(); bf->tag.forward(); bf->tag.next())
                //{
                //  if (bf->tag.current())
                //      delete bf->tag.current();
                //}

                delete bf;
            }

            af->frame.clear();

            delete af;
        }

        model->animation.clear();

        //! \fixme Causes "freeing already freed pointer" exception
        //delete model;
    }
}


////////////////////////////////////////////////////////////
// Public Accessors
////////////////////////////////////////////////////////////

int SkeletalModel::getAnimation()
{
    return mAnimationFrame;
}


int SkeletalModel::getFrame()
{
    return mBoneFrame;
}


int SkeletalModel::getIdleAnimation()
{
    return mIdleAnimation;
}


////////////////////////////////////////////////////////////
// Public Mutators
////////////////////////////////////////////////////////////

void SkeletalModel::setModel(skeletal_model_t *mdl)
{
    if (mdl)
        model = mdl;
}


void SkeletalModel::setAnimation(int index)
{
    if (!model) // index > (int)model->animation.size())
        return;

    animation_frame_t *a = model->animation[index];

    if (a)
    {
        mAnimationFrame = index;
        mBoneFrame = 0;
        rate = a->rate;
    }
}


void SkeletalModel::setFrame(int index)
{
    if (!model)
        return;

    animation_frame_t *a = model->animation[mAnimationFrame];

    if (a) // index > (int)a->frame.size())
    {
        bone_frame_t *b = a->frame[index];

        if (b)
        {
            mBoneFrame = index;
        }
    }
}


void SkeletalModel::setIdleAnimation(int index)
{
    if (!model)
        return;

    animation_frame_t *a = model->animation[index];

    if (a)
    {
        mIdleAnimation = index;
    }
}


////////////////////////////////////////////////////////////
// Private Accessors
////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////
// Private Mutators
////////////////////////////////////////////////////////////