/*=========================================================================

	hrweight.cpp

	Author:		CRB
	Created: 
	Project:	Spongebob
	Purpose: 

	Copyright (c) 2001 Climax Development Ltd

===========================================================================*/

#ifndef __HAZARD_HRWEIGHT_H__
#include "hazard\hrweight.h"
#endif

#ifndef	__UTILS_HEADER__
#include	"utils\utils.h"
#endif

#ifndef __VID_HEADER_
#include "system\vid.h"
#endif

#ifndef __GAME_GAME_H__
#include	"game\game.h"
#endif


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcRisingWeightHazard::init()
{
	CNpcHazard::init();

	m_triggered = false;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcRisingWeightHazard::setWaypoints( sThingHazard *ThisHazard )
{
	ASSERT( ThisHazard->PointCount == 3 );

	u16	*PntList=(u16*)MakePtr(ThisHazard,sizeof(sThingHazard));

	u16 newXPos, newYPos;

	// get master hazard init pos

	newXPos = (u16) *PntList;
	PntList++;
	newYPos = (u16) *PntList;
	PntList++;

	DVECTOR startPos;
	startPos.vx = ( newXPos << 4 ) + 8;
	startPos.vy = ( newYPos << 4 ) + 16;

	Pos = startPos;
	m_base = Pos;

	// get master hazard max vertical extension

	newXPos = (u16) *PntList;
	PntList++;
	newYPos = (u16) *PntList;
	PntList++;

	m_maxExtension = abs( ( ( newYPos << 4 ) + 16 ) - startPos.vy ) << 8;

	// get slave trigger position

	newXPos = (u16) *PntList;
	PntList++;
	newYPos = (u16) *PntList;
	PntList++;

	m_wheelPos.vx = newXPos;
	m_wheelPos.vy = newYPos;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcRisingWeightHazard::processMovement( int _frames )
{
	if ( m_triggered )
	{
		m_triggered = false;
		m_extension += ( 3 * _frames ) << 8;
		if ( m_extension > m_maxExtension )
		{
			m_extension = m_maxExtension;
		}
	}
	else
	{
		m_extension -= 64 * _frames;

		if ( m_extension < 0 )
		{
			m_extension = 0;
		}
	}

	Pos.vy = m_base.vy - ( m_extension >> 8 );
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void CNpcRisingWeightHazard::render()
{
	int		x1,y1,x2,y2;

	DVECTOR	offset = CLevel::getCameraPos();

	if ( m_isActive )
	{
		CHazardThing::render();

		if (canRender())
		{
			DVECTOR &renderPos=getRenderPos();

			m_modelGfx->Render(renderPos);
		}

		x1 = x2 = m_base.vx - offset.vx;
		y1 = m_base.vy - ( m_maxExtension >> 8 ) - offset.vy;
		y2 = Pos.vy - offset.vy;

		if ( x2 >= 0 && x1 <= VidGetScrW() )
		{
			if ( y2 >= 0 && y1 <= VidGetScrH() )
			{
				DrawLine( x1, y1, x2, y2, 0, 0, 0, 0 );
			}
		}

		x1 = ( m_wheelPos.vx << 4 ) + 8 - offset.vx;
		x2 = m_base.vx - offset.vx;
		y1 = ( m_wheelPos.vy << 4 ) + 16 - offset.vy;
		y2 = m_base.vy - ( m_maxExtension >> 8 ) - offset.vy;

		if ( x2 >= 0 && x1 <= VidGetScrW() )
		{
			if ( y1 >= 0 && y2 <= VidGetScrH() )
			{
				DrawLine( x1, y1, x2, y2, 0, 0, 0, 0 );
			}
		}
	}
}