// * 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 <stdio.h>

#include "object/auto/autodestroyer.h"

#include "common/iman.h"
#include "script/cmdtoken.h"
#include "ui/interface.h"
#include "ui/window.h"




// Object's constructor.

CAutoDestroyer::CAutoDestroyer(CInstanceManager* iMan, CObject* object)
						 : CAuto(iMan, object)
{
	Init();
	m_phase = ADEP_WAIT;  // paused until the first Init ()
}

// Destructive of the object.

CAutoDestroyer::~CAutoDestroyer()
{
}


// Destroys the object.

void CAutoDestroyer::DeleteObject(bool bAll)
{
	CAuto::DeleteObject(bAll);
}


// Initialize the object.

void CAutoDestroyer::Init()
{
	m_phase    = ADEP_WAIT;
	m_progress = 0.0f;
	m_speed    = 1.0f/0.5f;

	m_time     = 0.0f;
	m_timeVirus = 0.0f;
	m_lastParticule = 0.0f;

	CAuto::Init();
}


// Management of an event.

bool CAutoDestroyer::EventProcess(const Event &event)
{
	CObject*	scrap;
	CPyro*		pyro;
	Math::Vector	pos, speed;
	Math::Point		dim;

	CAuto::EventProcess(event);

	if ( m_engine->RetPause() )  return true;
	if ( event.event != EVENT_FRAME )  return true;

	m_progress += event.rTime*m_speed;
	m_timeVirus -= event.rTime;

	if ( m_object->RetVirusMode() )  // contaminated by a virus?
	{
		if ( m_timeVirus <= 0.0f )
		{
			m_timeVirus = 0.1f+Math::Rand()*0.3f;
		}
		return true;
	}

	if ( m_phase == ADEP_WAIT )
	{
		if ( m_progress >= 1.0f )
		{
			scrap = SearchPlastic();
			if ( scrap == 0 )
			{
				m_phase    = ADEP_WAIT;  // still waiting ...
				m_progress = 0.0f;
				m_speed    = 1.0f/0.5f;
			}
			else
			{
				scrap->SetLock(true);  // usable waste
//?				scrap->SetTruck(m_object);  // usable waste

				if ( SearchVehicle() )
				{
					m_phase    = ADEP_WAIT;  // still waiting ...
					m_progress = 0.0f;
					m_speed    = 1.0f/0.5f;
				}
				else
				{
					m_sound->Play(SOUND_PSHHH2, m_object->RetPosition(0), 1.0f, 1.0f);

					m_phase    = ADEP_DOWN;
					m_progress = 0.0f;
					m_speed    = 1.0f/1.0f;
					m_bExplo   = false;
				}
			}
		}
	}

	if ( m_phase == ADEP_DOWN )
	{
		if ( m_progress >= 0.3f-0.05f && !m_bExplo )
		{
			scrap = SearchPlastic();
			if ( scrap != 0 )
			{
				pyro = new CPyro(m_iMan);
				pyro->Create(PT_FRAGT, scrap);
			}
			m_bExplo = true;
		}

		if ( m_progress < 1.0f )
		{
			pos = Math::Vector(0.0f, -10.0f, 0.0f);
			pos.y = -Math::Bounce(m_progress, 0.3f)*10.0f;
			m_object->SetPosition(1, pos);
		}
		else
		{
			m_object->SetPosition(1, Math::Vector(0.0f, -10.0f, 0.0f));
			m_sound->Play(SOUND_REPAIR, m_object->RetPosition(0));

			m_phase    = ADEP_REPAIR;
			m_progress = 0.0f;
			m_speed    = 1.0f/1.0f;
		}
	}

	if ( m_phase == ADEP_REPAIR )
	{
		if ( m_progress < 1.0f )
		{
		}
		else
		{
			m_sound->Play(SOUND_OPEN, m_object->RetPosition(0), 1.0f, 0.8f);

			m_phase    = ADEP_UP;
			m_progress = 0.0f;
			m_speed    = 1.0f/3.0f;
		}
	}

	if ( m_phase == ADEP_UP )
	{
		if ( m_progress < 1.0f )
		{
			pos = Math::Vector(0.0f, -10.0f, 0.0f);
			pos.y = -(1.0f-m_progress)*10.0f;
			m_object->SetPosition(1, pos);
		}
		else
		{
			m_object->SetPosition(1, Math::Vector(0.0f, 0.0f, 0.0f));

			m_phase    = ADEP_WAIT;
			m_progress = 0.0f;
			m_speed    = 1.0f/0.5f;
		}
	}

	return true;
}


// Creates all the interface when the object is selected.

bool CAutoDestroyer::CreateInterface(bool bSelect)
{
	CWindow*	pw;
	Math::Point		pos, ddim;
	float		ox, oy, sx, sy;

	CAuto::CreateInterface(bSelect);

	if ( !bSelect )  return true;

	pw = (CWindow*)m_interface->SearchControl(EVENT_WINDOW0);
	if ( pw == 0 )  return false;

	ox = 3.0f/640.0f;
	oy = 3.0f/480.0f;
	sx = 33.0f/640.0f;
	sy = 33.0f/480.0f;

	pos.x = ox+sx*0.0f;
	pos.y = oy+sy*0;
	ddim.x = 66.0f/640.0f;
	ddim.y = 66.0f/480.0f;
	pw->CreateGroup(pos, ddim, 106, EVENT_OBJECT_TYPE);

	return true;
}


// Seeks plate waste in the destroyer.

CObject* CAutoDestroyer::SearchPlastic()
{
	CObject*	pObj;
	Math::Vector	sPos, oPos;
	ObjectType	type;
	float		dist;
	int			i;

	sPos = m_object->RetPosition(0);

	for ( i=0 ; i<1000000 ; i++ )
	{
		pObj = (CObject*)m_iMan->SearchInstance(CLASS_OBJECT, i);
		if ( pObj == 0 )  break;

		type = pObj->RetType();
		if ( type != OBJECT_SCRAP4 &&
			 type != OBJECT_SCRAP5 )  continue;

		oPos = pObj->RetPosition(0);
		dist = Math::Distance(oPos, sPos);
		if ( dist <= 5.0f )  return pObj;
	}

	return 0;
}

// Seeks if one vehicle is too close.

bool CAutoDestroyer::SearchVehicle()
{
	CObject*	pObj;
	Math::Vector	cPos, oPos;
	ObjectType	type;
	float		oRadius, dist;
	int			i;

	cPos = m_object->RetPosition(0);

	for ( i=0 ; i<1000000 ; i++ )
	{
		pObj = (CObject*)m_iMan->SearchInstance(CLASS_OBJECT, i);
		if ( pObj == 0 )  break;

		type = pObj->RetType();
		if ( type != OBJECT_HUMAN    &&
			 type != OBJECT_MOBILEfa &&
			 type != OBJECT_MOBILEta &&
			 type != OBJECT_MOBILEwa &&
			 type != OBJECT_MOBILEia &&
			 type != OBJECT_MOBILEfc &&
			 type != OBJECT_MOBILEtc &&
			 type != OBJECT_MOBILEwc &&
			 type != OBJECT_MOBILEic &&
			 type != OBJECT_MOBILEfi &&
			 type != OBJECT_MOBILEti &&
			 type != OBJECT_MOBILEwi &&
			 type != OBJECT_MOBILEii &&
			 type != OBJECT_MOBILEfs &&
			 type != OBJECT_MOBILEts &&
			 type != OBJECT_MOBILEws &&
			 type != OBJECT_MOBILEis &&
			 type != OBJECT_MOBILErt &&
			 type != OBJECT_MOBILErc &&
			 type != OBJECT_MOBILErr &&
			 type != OBJECT_MOBILErs &&
			 type != OBJECT_MOBILEsa &&
			 type != OBJECT_MOBILEtg &&
			 type != OBJECT_MOBILEft &&
			 type != OBJECT_MOBILEtt &&
			 type != OBJECT_MOBILEwt &&
			 type != OBJECT_MOBILEit &&
			 type != OBJECT_MOBILEdr &&
			 type != OBJECT_MOTHER   &&
			 type != OBJECT_ANT      &&
			 type != OBJECT_SPIDER   &&
			 type != OBJECT_BEE      &&
			 type != OBJECT_WORM     )  continue;

		if ( !pObj->GetCrashSphere(0, oPos, oRadius) )  continue;
		dist = Math::Distance(oPos, cPos)-oRadius;

		if ( dist < 20.0f )  return true;
	}

	return false;
}


// Returns an error due the state of the automation.

Error CAutoDestroyer::RetError()
{
	if ( m_object->RetVirusMode() )
	{
		return ERR_BAT_VIRUS;
	}

	return ERR_OK;
}


// Saves all parameters of the controller.

bool CAutoDestroyer::Write(char *line)
{
	char	name[100];

	if ( m_phase == ADEP_WAIT )  return false;

	sprintf(name, " aExist=%d", 1);
	strcat(line, name);

	CAuto::Write(line);

	sprintf(name, " aPhase=%d", m_phase);
	strcat(line, name);

	sprintf(name, " aProgress=%.2f", m_progress);
	strcat(line, name);

	sprintf(name, " aSpeed=%.2f", m_speed);
	strcat(line, name);

	return true;
}

// Restores all parameters of the controller.

bool CAutoDestroyer::Read(char *line)
{
	if ( OpInt(line, "aExist", 0) == 0 )  return false;

	CAuto::Read(line);

	m_phase = (AutoDestroyerPhase)OpInt(line, "aPhase", ADEP_WAIT);
	m_progress = OpFloat(line, "aProgress", 0.0f);
	m_speed = OpFloat(line, "aSpeed", 1.0f);

	m_lastParticule = 0.0f;

	return true;
}