SBSPSS/source/hazard/hmasher.cpp
Charles a18f4ae7bb
2001-05-04 20:46:43 +00:00

83 lines
1.3 KiB
C++

/*=========================================================================
hmasher.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __HAZARD_HMASHER_H__
#include "hazard\hmasher.h"
#endif
#ifndef __LAYER_COLLISION_H__
#include "level\layercollision.h"
#endif
void CNpcMasherHazard::init()
{
CNpcHazard::init();
m_state = MASHER_DROPPING;
}
void CNpcMasherHazard::processMovement( int _frames )
{
switch ( m_state )
{
case MASHER_DROPPING:
{
s8 yMovement = 3 * _frames;
s8 groundHeight;
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
if ( groundHeight < yMovement )
{
// colliding with ground
Pos.vy += groundHeight;
// pause and change direction
m_state = MASHER_RISING;
}
else
{
// drop down
Pos.vy += yMovement;
}
break;
}
case MASHER_RISING:
{
if ( m_base.vx - Pos.vx == 0 && m_base.vy - Pos.vy == 0 )
{
m_state = MASHER_DROPPING;
}
else
{
// return to original position
Pos.vy -= 3 * _frames;
if ( Pos.vy < m_base.vy )
{
Pos.vy = m_base.vy;
}
}
break;
}
}
}