colobot/src/object/task/taskspiderexplo.cpp

// * 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/.

// taskspiderexplo.cpp


#include <stdio.h>

#include "object/task/taskspiderexplo.h"

#include "graphics/common/pyro.h"
#include "object/motion/motionspider.h"
#include "physics/physics.h"




// Object's constructor.

CTaskSpiderExplo::CTaskSpiderExplo(CInstanceManager* iMan, CObject* object)
						  : CTask(iMan, 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->RetPause() )  return true;
	if ( event.event != EVENT_FRAME )  return true;

	// Momentarily stationary object (ant on the back)?
	if ( m_object->RetFixed() )
	{
		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()
{
	CPyro*		pyro;

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

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

	if ( m_time < 1.0f )  return ERR_CONTINUE;

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

	Abort();
	return ERR_STOP;
}

// Suddenly ends the current action.

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