// %flair:license{
// This file is part of the Flair framework distributed under the
// CECILL-C License, Version 1.0.
// %flair:license}
//  created:    2013/04/15
//  filename:   Man.cpp
//
//  author:     Guillaume Sanahuja
//              Copyright Heudiasyc UMR UTC/CNRS 7253
//
//  version:    $Id: $
//
//  purpose:    classe chargeant un personnage
//
/*********************************************************************/
#ifdef GL

#include "Man.h"
#include "Gui.h"
#include "Simulator.h"
#include "Simulator_impl.h"
#include "Euler.h"
#include <ISceneManager.h>
#include <IAnimatedMeshSceneNode.h>
#include <Tab.h>
#include <DoubleSpinBox.h>
#include "AnimPoursuite.h"

using namespace irr;
using namespace irr::core;
using namespace irr::scene;
using namespace irr::video;
using namespace flair::core;
using namespace flair::gui;

namespace flair
{
namespace simulator
{

Man::Man(const Simulator* parent,std::string name): Model(parent,name)
{
    node = getGui()->getSceneManager()->addAnimatedMeshSceneNode(getGui()->getMesh("ninja.b3d"),getSceneNode(),-1,
                                                                 vector3df(0,0,0),vector3df(90,0,90),vector3df(10,10,10));

	node->setFrameLoop(0, 13);
	node->setAnimationSpeed(0);
	node->getMaterial(0).NormalizeNormals = true;
	node->getMaterial(0).Lighting = false;

	getCamera()->setPositionOffset(vector3df(0,0,100));
    getCamera()->setTargetOffset(vector3df(0,0,100));

    setTriangleSelector(getGui()->getSceneManager()->createTriangleSelector(node));
    Box()->addInternalBox(node->getTransformedBoundingBox());

    Tab *setup_tab=new Tab(GetTabWidget(),"model");
        t_speed=new DoubleSpinBox(setup_tab->NewRow(),"translational speed (m/s):",0,5,0.1);
        r_speed=new DoubleSpinBox(setup_tab->NewRow(),"rotational speed (deg/s):",0,180,10);
}

Man::~Man()
{

}

void Man::CalcModel(void)
{
    // compute quaternion from W
    // Quaternion derivative: dQ = 0.5*(Q*Qw)
    Quaternion dQ=state[-1].Quat.GetDerivative(state[0].W);

    // Quaternion integration
    state[0].Quat = state[-1].Quat +dQ*dT();
    state[0].Quat.Normalize();

    Vector3D dir=state[0].Vel;
    dir.Rotate(state[0].Quat);
    state[0].Pos=state[-1].Pos+dT()*dir;
}

bool Man::OnEvent(const SEvent& event)
{
    if (event.EventType != EET_KEY_INPUT_EVENT)
        return false;

    if(event.KeyInput.PressedDown==false)
    {
        state[0].Vel.x=0;
        state[0].W.z=0;
        node->setAnimationSpeed(0);
    }
    else
    {
        switch(event.KeyInput.Key)
        {
        case KEY_UP:
            state[0].Vel.x=t_speed->Value();
            node->setAnimationSpeed(t_speed->Value()*10.f);
            break;
        case KEY_DOWN:
            state[0].Vel.x=-t_speed->Value();
            node->setAnimationSpeed(-t_speed->Value()*10.f);
            break;
        case KEY_LEFT:
            state[0].W.z=-Euler::ToRadian(r_speed->Value());
            node->setAnimationSpeed(r_speed->Value()*.15f);
            break;
        case KEY_RIGHT:
            state[0].W.z=Euler::ToRadian(r_speed->Value());
            node->setAnimationSpeed(-r_speed->Value()*.15f);
            break;
        default:
            return false;
            break;
        }
    }

    return true;
}

size_t Man::dbtSize(void) const
{
    return 6*sizeof(float);
}

void Man::WritedbtBuf(char* dbtbuf)
{/*
    float *buf=(float*)dbtbuf;
    vector3df vect=node->getPosition();
    memcpy(buf,&vect.X,sizeof(float));
    buf++;
    memcpy(buf,&vect.Y,sizeof(float));
    buf++;
    memcpy(buf,&vect.Z,sizeof(float));
    buf++;
    vect=node->getRotation();
    memcpy(buf,&vect.X,sizeof(float));
    buf++;
    memcpy(buf,&vect.Y,sizeof(float));
    buf++;
    memcpy(buf,&vect.Z,sizeof(float));
    buf++;*/
}

void Man::ReaddbtBuf(char* dbtbuf)
{/*
    float *buf=(float*)dbtbuf;
    vector3df vect;
    memcpy(&vect.X,buf,sizeof(float));
    buf++;
    memcpy(&vect.Y,buf,sizeof(float));
    buf++;
    memcpy(&vect.Z,buf,sizeof(float));
    buf++;
    node->setPosition(vect);
    memcpy(&vect.X,buf,sizeof(float));
    buf++;
    memcpy(&vect.Y,buf,sizeof(float));
    buf++;
    memcpy(&vect.Z,buf,sizeof(float));
    buf++;
    node->setRotation(vect);
    node->setAnimationSpeed(2.f);*/
}

} // end namespace simulator
} // end namespace flair
#endif //GL