SBSPSS/source/hazard/hbbarrel.cpp
Charles c3618f4c64
2001-05-05 21:28:34 +00:00

82 lines
1.7 KiB
C++

/*=========================================================================
hbbarrel.h
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __HAZARD_HBBARREL_H__
#include "hazard\hbbarrel.h"
#endif
#ifndef __LAYER_COLLISION_H__
#include "level\layercollision.h"
#endif
void CNpcBouncingBarrelHazard::init()
{
CNpcHazard::init();
m_lastWaypoint = Pos;
}
void CNpcBouncingBarrelHazard::processMovement( int _frames )
{
s32 moveX = 0, moveY = 0;
s32 moveVel = 0;
s32 moveDist = 0;
s32 waypointXDist;
s32 waypointYDist;
s32 waypointHeading;
s32 groundHeight;
// deal with horizontal
bool pathComplete;
if ( m_npcPath.thinkFlat( Pos, &pathComplete, &waypointXDist, &waypointYDist, &waypointHeading ) )
{
if ( pathComplete )
{
Pos = m_base;
m_npcPath.resetPath();
}
m_lastWaypoint = Pos;
}
moveX = 3 * _frames;
if ( waypointHeading == 2048 )
{
moveX = -moveX;
}
Pos.vx += moveX;
// deal with vertical
DVECTOR nextWaypoint;
nextWaypoint.vx = waypointXDist + Pos.vx;
nextWaypoint.vy = waypointYDist + Pos.vy;
if ( waypointYDist > 0 )
{
s32 sineVal = ( abs( Pos.vx - nextWaypoint.vx ) * 1024 ) / abs( nextWaypoint.vx - m_lastWaypoint.vx );
Pos.vy = nextWaypoint.vy - ( ( abs( nextWaypoint.vy - m_lastWaypoint.vy ) * rsin( sineVal ) ) >> 12 );
}
else if ( waypointYDist < 0 )
{
s32 sineVal = ( abs( Pos.vx - m_lastWaypoint.vx ) * 1024 ) / abs( nextWaypoint.vx - m_lastWaypoint.vx );
Pos.vy = m_lastWaypoint.vy - ( ( abs( nextWaypoint.vy - m_lastWaypoint.vy ) * rsin( sineVal ) ) >> 12 );
}
}