colobot/src/object/task/taskreset.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/.

// taskreset.cpp


#include <windows.h>
#include <stdio.h>
#include <d3d.h>

#include "common/struct.h"
#include "graphics/d3d/d3dengine.h"
#include "math/old/math3d.h"
#include "common/event.h"
#include "common/misc.h"
#include "common/iman.h"
#include "graphics/common/particule.h"
#include "graphics/common/terrain.h"
#include "object/object.h"
#include "physics/physics.h"
#include "object/brain.h"
#include "sound/sound.h"
#include "object/robotmain.h"
#include "object/task/task.h"
#include "object/task/taskreset.h"



#define RESET_DELAY_ZOOM	0.7f
#define RESET_DELAY_MOVE	0.7f




// Object's constructor.

CTaskReset::CTaskReset(CInstanceManager* iMan, CObject* object)
					 : CTask(iMan, object)
{
}

// Object's destructor.

CTaskReset::~CTaskReset()
{
}


// Management of an event.

bool CTaskReset::EventProcess(const Event &event)
{
	Math::Vector	pos, speed;
	Math::Point		dim;
	float		angle, duration;

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

	m_time += event.rTime;
	m_progress += event.rTime*m_speed;

	if ( m_phase == TRSP_ZOUT )
	{
		angle = m_iAngle;
		angle += powf(m_progress*5.0f, 2.0f);  // accelerates
		m_object->SetAngleY(0, angle);
		m_object->SetZoom(0, 1.0f-m_progress);

		if ( m_lastParticule+m_engine->ParticuleAdapt(0.05f) <= m_time )
		{
			m_lastParticule = m_time;

			pos = m_begin;
			pos.x += (Math::Rand()-0.5f)*5.0f;
			pos.z += (Math::Rand()-0.5f)*5.0f;
			speed.x = 0.0f;
			speed.z = 0.0f;
			speed.y = 5.0f+Math::Rand()*5.0f;
			dim.x = Math::Rand()*2.0f+2.0f;
			dim.y = dim.x;
			m_particule->CreateParticule(pos, speed, dim, PARTIGLINTb, 2.0f);

			pos = m_begin;
			speed.x = (Math::Rand()-0.5f)*20.0f;
			speed.z = (Math::Rand()-0.5f)*20.0f;
			speed.y = Math::Rand()*10.0f;
			speed *= 1.0f-m_progress*0.5f;
			pos += speed*1.5f;
			speed = -speed;
			dim.x = 0.6f;
			dim.y = dim.x;
			pos.y += dim.y;
			duration = Math::Rand()*1.5f+1.5f;
			m_particule->CreateTrack(pos, speed, dim, PARTITRACK6,
									 duration, 0.0f,
									 duration*0.9f, 0.7f);
		}
	}

	if ( m_phase == TRSP_MOVE )
	{
		pos = m_begin+(m_goal-m_begin)*m_progress;
		m_object->SetPosition(0, pos);

		if ( m_lastParticule+m_engine->ParticuleAdapt(0.05f) <= m_time )
		{
			m_lastParticule = m_time;

			pos.x += (Math::Rand()-0.5f)*5.0f;
			pos.z += (Math::Rand()-0.5f)*5.0f;
			speed.x = 0.0f;
			speed.z = 0.0f;
			speed.y = 2.0f+Math::Rand()*2.0f;
			dim.x = Math::Rand()*2.0f+2.0f;
			dim.y = dim.x;
			m_particule->CreateParticule(pos, speed, dim, PARTIGLINTb, 2.0f);
		}
	}

	if ( m_phase == TRSP_ZIN )
	{
		angle = m_angle.y;
		angle += -powf((1.0f-m_progress)*5.0f, 2.0f);  // slows
		m_object->SetAngleY(0, angle);
		m_object->SetZoom(0, m_progress);

		if ( m_lastParticule+m_engine->ParticuleAdapt(0.05f) <= m_time )
		{
			m_lastParticule = m_time;

			pos = m_goal;
			pos.x += (Math::Rand()-0.5f)*5.0f;
			pos.z += (Math::Rand()-0.5f)*5.0f;
			speed.x = 0.0f;
			speed.z = 0.0f;
			speed.y = 5.0f+Math::Rand()*5.0f;
			dim.x = Math::Rand()*2.0f+2.0f;
			dim.y = dim.x;
			m_particule->CreateParticule(pos, speed, dim, PARTIGLINTb, 2.0f);

			pos = m_goal;
			speed.x = (Math::Rand()-0.5f)*20.0f;
			speed.z = (Math::Rand()-0.5f)*20.0f;
			speed.y = Math::Rand()*10.0f;
			speed *= 0.5f+m_progress*0.5f;
			dim.x = 0.6f;
			dim.y = dim.x;
			pos.y += dim.y;
			duration = Math::Rand()*1.5f+1.5f;
			m_particule->CreateTrack(pos, speed, dim, PARTITRACK6,
									 duration, 0.0f,
									 duration*0.9f, 0.7f);
		}
	}

	return true;
}


// Assigns the goal was achieved.
// A positive angle makes a turn right.

Error CTaskReset::Start(Math::Vector goal, Math::Vector angle)
{
	CObject*	fret;
	int		i;

	fret = m_object->RetFret();
	if ( fret != 0 && fret->RetResetCap() == RESET_MOVE )
	{
		fret->SetTruck(0);
		m_object->SetFret(0);  // does nothing
	}

	if ( !m_main->RetNiceReset() )  // quick return?
	{
		m_object->SetPosition(0, goal);
		m_object->SetAngle(0, angle);
		m_brain->RunProgram(m_object->RetResetRun());

		m_bError = false;
		return ERR_OK;
	}

	m_begin = m_object->RetPosition(0);
	m_goal = goal;
	m_angle = angle;

	if ( SearchVehicle() )  // starting location occupied?
	{
		m_bError = true;
		return ERR_RESET_NEAR;
	}

	m_iAngle = m_object->RetAngleY(0);
	m_time = 0.0f;
	m_phase = TRSP_ZOUT;
	m_speed = 1.0f/RESET_DELAY_ZOOM;
	m_progress = 0.0f;
	m_lastParticule = 0.0f;

	m_object->SetResetBusy(true);

	i = m_sound->Play(SOUND_GGG, m_begin, 1.0f, 2.0f, true);
	m_sound->AddEnvelope(i, 0.0f, 0.5f, RESET_DELAY_ZOOM, SOPER_STOP);

	m_bError = false;
	return ERR_OK;
}

// Indicates whether the action is finished.

Error CTaskReset::IsEnded()
{
	CObject*	power;
	float		dist;
	int			i;

	if ( !m_main->RetNiceReset() )  // quick return?
	{
		return ERR_STOP;
	}

	if ( m_engine->RetPause() )  return ERR_CONTINUE;
	if ( m_bError )  return ERR_STOP;
	if ( m_progress < 1.0f )  return ERR_CONTINUE;

	if ( m_phase == TRSP_ZOUT )
	{
		dist = Math::Distance(m_begin, m_goal);
		m_phase = TRSP_MOVE;
		m_speed = 1.0f/(dist*RESET_DELAY_MOVE/100.0f);
		m_progress = 0.0f;
		return ERR_CONTINUE;
	}

	if ( m_phase == TRSP_MOVE )
	{
		m_object->SetPosition(0, m_goal);
		m_object->SetAngle(0, m_angle);

		i = m_sound->Play(SOUND_GGG, m_goal, 1.0f, 0.5f, true);
		m_sound->AddEnvelope(i, 0.0f, 2.0f, RESET_DELAY_ZOOM, SOPER_STOP);

		m_phase = TRSP_ZIN;
		m_speed = 1.0f/RESET_DELAY_ZOOM;
		m_progress = 0.0f;
		return ERR_CONTINUE;
	}

	m_object->SetAngle(0, m_angle);
	m_object->SetZoom(0, 1.0f);

	power = m_object->RetPower();
	if ( power != 0 )
	{
		power->SetEnergy(power->RetCapacity());  // refueling
	}

	m_brain->RunProgram(m_object->RetResetRun());
	m_object->SetResetBusy(false);
	return ERR_STOP;
}


// Seeks if a vehicle is too close.

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

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

		if ( pObj == m_object )  continue;

		type = pObj->RetType();
		if ( type != OBJECT_HUMAN    &&
			 type != OBJECT_TECH     &&
			 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, m_goal)-oRadius;

		if ( dist < 5.0f )  return true;
	}

	return false;
}