// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * This program 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 3 of the License, or
// * (at your option) any later version.
// *
// * This program 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 this program. If not, see  http://www.gnu.org/licenses/.


#include "object/task/taskspiderexplo.h"

#include "graphics/engine/pyro.h"

#include "object/motion/motionspider.h"

#include "physics/physics.h"




// Object's constructor.

CTaskSpiderExplo::CTaskSpiderExplo(CObject* object) : CTask(object)
{
    m_time = 0.0f;
    m_bError = false;
}

// Object's destructor.

CTaskSpiderExplo::~CTaskSpiderExplo()
{
}


// Management of an event.

bool CTaskSpiderExplo::EventProcess(const Event &event)
{
    if ( m_engine->GetPause() )  return true;
    if ( event.type != EVENT_FRAME )  return true;

    // Momentarily stationary object (ant on the back)?
    if ( m_object->GetFixed() )
    {
        m_bError = true;
        return true;
    }

    m_time += event.rTime;

    return true;
}


// Assigns the goal was achieved.

Error CTaskSpiderExplo::Start()
{
    m_motion->SetAction(MSS_EXPLO, 1.0f);  // swells abdominal
    m_time = 0.0f;

    m_physics->SetMotorSpeedX(0.0f);  // stops the advance
    m_physics->SetMotorSpeedZ(0.0f);  // stops the rotation

    m_bError = false;
    return ERR_OK;
}

// Indicates whether the action is finished.

Error CTaskSpiderExplo::IsEnded()
{
    Gfx::CPyro* pyro;

    if ( m_engine->GetPause() )  return ERR_CONTINUE;

    if ( m_bError )
    {
        Abort();
        return ERR_STOP;
    }

    if ( m_time < 1.0f )  return ERR_CONTINUE;

    pyro = new Gfx::CPyro();
    pyro->Create(Gfx::PT_SPIDER, m_object);  // the spider explodes (suicide)

    Abort();
    return ERR_STOP;
}

// Suddenly ends the current action.

bool CTaskSpiderExplo::Abort()
{
    return true;
}