SBSPSS/source/platform/pdual.cpp

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2001-05-02 21:44:56 +02:00
/*=========================================================================
pdual.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PDUAL_H__
#include "platform\pdual.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatform::setMaster( u8 isMaster )
{
m_isMaster = isMaster;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatform::setOtherPlatform( CNpcDualPlatform *other )
{
m_otherPlatform = other;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatform::setWaypoints( sThingPlatform *ThisPlatform )
{
ASSERT( ThisPlatform->PointCount == 3 );
u16 *PntList=(u16*)MakePtr(ThisPlatform,sizeof(sThingPlatform));
u16 newXPos, newYPos;
// get master platform init pos
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
DVECTOR startPos;
startPos.vx = newXPos << 4;
startPos.vy = newYPos << 4;
init( startPos );
m_extension = 0;
// get master platform max vertical extension
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
m_maxExtension = ( newYPos << 4 ) - startPos.vy;
ASSERT( m_maxExtension >= 0 );
// get slave platform init x pos
newXPos = (u16) *PntList;
DVECTOR slavePos;
slavePos.vx = newXPos << 4;
slavePos.vy = startPos.vy + m_maxExtension;
m_otherPlatform->init( slavePos );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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u8 CNpcDualPlatform::canDrop()
{
if ( m_isMaster )
{
s32 extensionLeft = m_maxExtension - m_extension;
if ( extensionLeft == 0 )
{
return( false );
}
else
{
return( true );
}
}
else
{
return( false );
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcDualPlatform::processMovement( int _frames )
{
if ( m_isMaster )
{
s32 extensionChange = 0;
s32 extensionLeft;
if ( m_contact )
{
extensionLeft = m_maxExtension - m_extension;
extensionChange = 3 * _frames;
if ( extensionChange > extensionLeft )
{
extensionChange = extensionLeft;
}
}
else
{
extensionLeft = m_extension;
extensionChange = -3 * _frames;
if ( -extensionChange > extensionLeft )
{
extensionChange = -extensionLeft;
}
}
m_extension += extensionChange;
Pos.vy = m_base.vy + m_extension;
DVECTOR slaveMove;
slaveMove.vx = 0;
slaveMove.vy = -extensionChange;
m_otherPlatform->setMovement( slaveMove );
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcDualPlatform::setMovement( DVECTOR move )
{
Pos.vx += move.vx;
Pos.vy += move.vy;
}