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source/enemy/nsjback.cpp
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source/enemy/nsjback.cpp
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/*=========================================================================
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nsjback.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) 2000 Climax Development Ltd
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===========================================================================*/
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#ifndef __ENEMY_NSJBACK_H__
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#include "enemy\nsjback.h"
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#endif
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#ifndef __JELLFISH_JELLFISH_H__
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#include "jellfish\jellfish.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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#ifndef __VID_HEADER_
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#include "system\vid.h"
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcSmallJellyfishBackgroundEnemy::postInit()
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{
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CNpcSmallJellyfishEnemy::postInit();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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bool CNpcSmallJellyfishBackgroundEnemy::processSensor()
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{
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// no sensor
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return( false );
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcSmallJellyfishBackgroundEnemy::processMovement( int _frames )
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{
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// change direction?
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DVECTOR renderPos;
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DVECTOR offset = CLevel::getCameraPos();
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renderPos.vx = Pos.vx - offset.vx;
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renderPos.vy = Pos.vy - offset.vy;
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if ( renderPos.vx < -50 || renderPos.vx > VidGetScrW() + 50 ||
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renderPos.vy < -50 || renderPos.vy > VidGetScrH() + 50 )
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{
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setToShutdown();
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return;
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}
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if ( renderPos.vx >= 0 && renderPos.vx <= VidGetScrW() )
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{
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if ( renderPos.vy >= 0 && renderPos.vy <= VidGetScrH() )
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{
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u8 directionChange = getRnd() % 100;
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if ( directionChange == 0 )
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{
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m_targetHeading += -1024 + ( getRnd() % 2049 );
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}
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}
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}
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s32 moveX, moveY, moveDist, moveVel;
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s16 decDir, incDir;
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s16 maxTurnRate = m_data[m_type].turnSpeed;
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decDir = m_heading - m_targetHeading;
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if ( decDir < 0 )
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{
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decDir += ONE;
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}
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incDir = m_targetHeading - m_heading;
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if ( incDir < 0 )
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{
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incDir += ONE;
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}
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if ( decDir < incDir )
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{
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moveDist = -decDir;
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}
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else
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{
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moveDist = incDir;
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}
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if ( moveDist < -maxTurnRate )
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{
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moveDist = -maxTurnRate;
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}
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else if ( moveDist > maxTurnRate )
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{
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moveDist = maxTurnRate;
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}
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m_heading += moveDist;
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m_heading &= 4095;
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s32 preShiftX = _frames * m_speed * rcos( m_heading );
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s32 preShiftY = _frames * m_speed * rsin( m_heading );
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moveX = preShiftX >> 12;
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if ( !moveX && preShiftX )
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{
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moveX = preShiftX / abs( preShiftX );
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}
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moveY = preShiftY >> 12;
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if ( !moveY && preShiftY )
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{
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moveY = preShiftY / abs( preShiftY );
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}
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moveVel = ( _frames * m_speed ) << 8;
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if ( processGroundCollisionReverse( &moveX, &moveY ) )
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{
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m_targetHeading += 2048;
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m_targetHeading &= 4095;
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}
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processMovementModifier( _frames, moveX, moveY, moveVel, moveDist );
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcSmallJellyfishBackgroundEnemy::shutdown()
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{
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CNpcSmallJellyfishEnemy::shutdown();
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CJellyfishGenerator::decCounter();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcSmallJellyfishBackgroundEnemy::processUserCollision( CThing *thisThing )
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{
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DVECTOR otherPos = thisThing->getPos();
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DVECTOR otherDelta = thisThing->getPosDelta();
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s32 xDist = Pos.vx - otherPos.vx;
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s32 yDist = Pos.vy - otherPos.vy;
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s16 headingFromTarget = ratan2( yDist, xDist );
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if ( ( xDist > 0 && otherDelta.vx < 0 ) || ( xDist < 0 && otherDelta.vx > 0 ) )
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{
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otherDelta.vx = -otherDelta.vx;
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}
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if ( ( yDist > 0 && otherDelta.vy < 0 ) || ( yDist < 0 && otherDelta.vy > 0 ) )
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{
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otherDelta.vy = -otherDelta.vy;
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}
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Pos.vx += otherDelta.vx;
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Pos.vy += otherDelta.vy;
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m_targetHeading = m_heading = headingFromTarget;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcSmallJellyfishBackgroundEnemy::render()
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{
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SprFrame = NULL;
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if ( m_isActive )
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{
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CEnemyThing::render();
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// Render
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DVECTOR renderPos;
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DVECTOR origRenderPos;
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DVECTOR offset = CLevel::getCameraPos();
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int spriteWidth = m_spriteBank->getFrameWidth( m_frame >> 8 );
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int spriteHeight = m_spriteBank->getFrameHeight( m_frame >> 8 );
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renderPos.vx = Pos.vx - offset.vx;
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origRenderPos.vx = renderPos.vx;
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renderPos.vx += m_drawOffset.vx;
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renderPos.vy = Pos.vy - offset.vy;
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origRenderPos.vy = renderPos.vy;
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renderPos.vy += m_drawOffset.vy - ( spriteHeight >> 1 );
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CRECT collisionRect = getCollisionArea();
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collisionRect.x1 -= Pos.vx;
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collisionRect.x2 -= Pos.vx;
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collisionRect.y1 -= Pos.vy;
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collisionRect.y2 -= Pos.vy;
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if ( renderPos.vx + collisionRect.x2 >= 0 && renderPos.vx + collisionRect.x1 <= VidGetScrW() )
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{
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if ( renderPos.vy + collisionRect.y2 >= 0 && renderPos.vy + collisionRect.y1 <= VidGetScrH() )
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{
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SprFrame = m_spriteBank->printRotatedScaledSprite( FRM_JELLYFISH1_SWIM1 + ( m_frame >> 8 ),renderPos.vx,renderPos.vy,4096,4096,m_drawRotation,15);
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setRGB0( SprFrame, 255, 128, 255 ); // Let me know if these change! ALso ket me know when the different coloured ones go in pls! (pkg)
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// get xmax, xmin, ymax, ymin
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s32 XMax;
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s32 XMin;
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s32 YMax;
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s32 YMin;
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XMin=SprFrame->x0;
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if (XMin>SprFrame->x1) XMin=SprFrame->x1;
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if (XMin>SprFrame->x2) XMin=SprFrame->x2;
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if (XMin>SprFrame->x3) XMin=SprFrame->x3;
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XMax=SprFrame->x0;
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if (XMax<SprFrame->x1) XMax=SprFrame->x1;
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if (XMax<SprFrame->x2) XMax=SprFrame->x2;
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if (XMax<SprFrame->x3) XMax=SprFrame->x3;
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YMin=SprFrame->y0;
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if (YMin>SprFrame->y1) YMin=SprFrame->y1;
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if (YMin>SprFrame->y2) YMin=SprFrame->y2;
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if (YMin>SprFrame->y3) YMin=SprFrame->y3;
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YMax=SprFrame->y0;
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if (YMax<SprFrame->y1) YMax=SprFrame->y1;
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if (YMax<SprFrame->y2) YMax=SprFrame->y2;
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if (YMax<SprFrame->y3) YMax=SprFrame->y3;
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XMax -= origRenderPos.vx;
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XMin -= origRenderPos.vx;
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YMax -= origRenderPos.vy;
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YMin -= origRenderPos.vy;
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setCollisionSize( ( XMax - XMin ), ( YMax - YMin ) );
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setCollisionCentreOffset( ( XMax + XMin ) >> 1, ( YMax + YMin ) >> 1 );
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}
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}
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}
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}
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