SBSPSS/source/platform/pbwheel.cpp
Charles 57b4d19ca6
2001-06-29 14:19:28 +00:00

126 lines
3.2 KiB
C++

/*=========================================================================
pbwheel.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PBWHEEL_H__
#include "platform\pbwheel.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcBigWheelPlatform::postInit()
{
CNpcPlatform::postInit();
//sBBox boundingBox = m_modelGfx->GetBBox();
//boundingBox.YMin = boundingBox.YMax - 32;
//setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ) - 8, ( boundingBox.YMax - boundingBox.YMin ) );
//setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( boundingBox.YMax + boundingBox.YMin ) >> 1 );
//calculateNonRotatedCollisionData();
//setCollisionAngle( m_tiltAngle >> 8 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcBigWheelPlatform::processMovement( int _frames )
{
m_rotation += m_speed * _frames;
m_rotation &= 4095;
Pos.vx = m_base.vx + ( ( m_extension * rcos( m_rotation ) ) >> 12 );
Pos.vy = m_base.vy + ( ( m_extension * rsin( m_rotation ) ) >> 12 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcBigWheelPlatform::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;
init( pivotPos );
m_rotation = ratan2( yDist, xDist );
m_extension = isqrt2( ( xDist * xDist ) + ( yDist * yDist ) );
}
else
{
init( startPos );
}
m_thinkArea.x1 = Pos.vx - m_extension;
m_thinkArea.x2 = Pos.vx + m_extension;
m_thinkArea.y1 = Pos.vy - m_extension;
m_thinkArea.y2 = Pos.vy + m_extension;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int CNpcBigWheelPlatform::getHeightFromPlatformAtPosition(int _x,int _y, int offsetX, int offsetY)
{
DVECTOR top;
CRECT collisionArea = getCollisionArea();
top.vy = offsetY + collisionArea.y1;
s32 centreX = ( ( collisionArea.x1 + collisionArea.x2 ) >> 1 ) + offsetX;
if ( abs( _x - centreX ) <= 20 )
{
top.vy = offsetY + collisionArea.y2 - 16;
}
else
{
s32 baseY = offsetY + collisionArea.y2 - 16;
top.vy = baseY + ( ( ( abs( _x - centreX ) - 20 ) * ( offsetY + collisionArea.y1 - baseY ) ) / ( collisionArea.x2 - centreX - 20 ) );
}
// Non-rotated platform
return( top.vy - _y );
}