//-----------------------------------------------------
// Name:
// First name:
// Group: 1DAE.
//-----------------------------------------------------
#include "stdafx.h"

//---------------------------
// Includes
//---------------------------
#include "Elevator.h"

//---------------------------
// Defines
//---------------------------
//#define GAME_ENGINE (GameEngine::GetSingleton())

//---------------------------
// Constructor & Destructor
//---------------------------
Elevator::Elevator()
{
	// actors
	m_ActElevatorFloorPtr = new PhysicsActor(ELEVATOR_FLOOR_POS, 0, BodyType::STATIC);
	m_ActElevatorFloorPtr->AddBoxShape(FLOOR_WIDTH, FLOOR_HEIGHT);

	m_ActElevatorPtr = new PhysicsActor(ELEVATOR_POS, 0, BodyType::DYNAMIC);
	m_ActElevatorPtr->AddBoxShape(ELEVATOR_WIDTH, ELEVATOR_HEIGHT);

	// joint
	m_PrismaJointPtr = new PhysicsPrismaticJoint(m_ActElevatorFloorPtr, DOUBLE2(0, 0), m_ActElevatorPtr, DOUBLE2(0, 0), DOUBLE2(0,-1), false);
	m_PrismaJointPtr->EnableJointLimits(true, ELEVATOR_LOWER_LIMIT, ELEVATOR_HIGHER_LIMIT);


	// trigger
	m_ActElevatorTriggerUpPtr = new PhysicsActor(ELEVATOR_UP_TRIGGER_POS, 0, BodyType::STATIC);
	m_ActElevatorTriggerUpPtr->AddBoxShape(TRIGGER_WIDTH, TRIGGER_HEIGHT);
	m_ActElevatorTriggerUpPtr->SetTrigger(true);
	m_ActElevatorTriggerUpPtr->AddContactListener(this);

	// trigger
	m_ActElevatorTriggerDownPtr = new PhysicsActor(ELEVATOR_DOWN_TRIGGER_POS, 0, BodyType::STATIC);
	m_ActElevatorTriggerDownPtr->AddBoxShape(TRIGGER_WIDTH, TRIGGER_HEIGHT);
	m_ActElevatorTriggerDownPtr->SetTrigger(true);
	m_ActElevatorTriggerDownPtr->AddContactListener(this);
}

Elevator::~Elevator()
{

}

void Elevator::RegisterFriend(PhysicsActor *actFriendPtr)
{
	m_FriendsArrayPtr.push_back(actFriendPtr);
}

//-------------------------------------------------------
// ContactListener overloaded member function definitions
//-------------------------------------------------------
void Elevator::BeginContact(PhysicsActor *actThisPtr, PhysicsActor *actOtherPtr)
{
	for (size_t i = 0; i < m_FriendsArrayPtr.size(); i++)
	{
		if (actOtherPtr == m_FriendsArrayPtr[i])
		{
			if (actThisPtr == m_ActElevatorTriggerUpPtr) m_PrismaJointPtr->EnableMotor(true, MOTOR_TARGET_SPEED, MOTOR_TORQUE);
			if (actThisPtr == m_ActElevatorTriggerDownPtr)
			{
				actOtherPtr->ApplyLinearImpulse(DOUBLE2(-1000, 2000));
				m_PrismaJointPtr->EnableMotor(true, -MOTOR_TARGET_SPEED, MOTOR_TORQUE);
			}
		}
	}

}
void Elevator::EndContact(PhysicsActor *actThisPtr, PhysicsActor *actOtherPtr)
{

}
void Elevator::ContactImpulse(PhysicsActor *actThisPtr, double impulse)
{

}