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