SBSPSS/source/platform/plantern.cpp
Charles 33b3ec96e2
2001-06-25 13:53:02 +00:00

136 lines
2.9 KiB
C++

/*=========================================================================
plantern.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PLANTERN_H__
#include "platform\plantern.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcLanternPlatform::postInit()
{
CNpcPlatform::postInit();
m_extension = 0;
m_heading = 1024;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcLanternPlatform::setWaypoints( sThingPlatform *ThisPlatform )
{
int pointNum;
u16 *PntList=(u16*)MakePtr(ThisPlatform,sizeof(sThingPlatform));
u16 newXPos, newYPos;
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
DVECTOR startPos;
startPos.vx = ( newXPos << 4 ) + 8;
startPos.vy = ( newYPos << 4 ) + 16;
if ( ThisPlatform->PointCount > 1 )
{
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
DVECTOR pivotPos;
pivotPos.vx = ( newXPos << 4 ) + 8;
pivotPos.vy = ( newYPos << 4 ) + 16;
s32 xDist = startPos.vx - pivotPos.vx;
s32 yDist = startPos.vy - pivotPos.vy;
m_maxExtension = 1024 - ratan2( abs( yDist ), abs( xDist ) );
m_length = isqrt2( ( xDist * xDist ) + ( yDist * yDist ) );
init( pivotPos );
if ( xDist > 0 )
{
m_extendDir = EXTEND_LEFT;
}
else
{
m_extendDir = EXTEND_RIGHT;
}
}
else
{
init( startPos );
}
m_thinkArea.x1 = Pos.vx - m_length;
m_thinkArea.x2 = Pos.vx + m_length;
m_thinkArea.y1 = Pos.vy - m_length;
m_thinkArea.y2 = Pos.vy + m_length;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcLanternPlatform::processMovement( int _frames )
{
if ( m_extendDir == EXTEND_LEFT )
{
if ( m_extension > m_maxExtension )
{
m_extendDir = EXTEND_RIGHT;
}
else
{
m_extension += _frames << 3;
}
}
else
{
if ( m_extension < -m_maxExtension )
{
m_extendDir = EXTEND_LEFT;
}
else
{
m_extension -= _frames << 3;
}
}
Pos.vx = m_base.vx + ( ( m_length * rcos( m_heading + m_extension ) ) >> 12 );
Pos.vy = m_base.vy + ( ( m_length * rsin( m_heading + m_extension ) ) >> 12 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const CRECT *CNpcLanternPlatform::getThinkBBox()
{
CRECT objThinkBox = getCollisionArea();
sBBox &thinkBBox = CThingManager::getThinkBBox();
objThinkBox.x1 = thinkBBox.XMin;
objThinkBox.x2 = thinkBBox.XMax;
objThinkBox.y1 = thinkBBox.YMin;
objThinkBox.y2 = thinkBBox.YMax;
return &objThinkBox;
}