97 lines
1.8 KiB
C++
97 lines
1.8 KiB
C++
/*=========================================================================
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fgary.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 __FRIEND_FGARY_H__
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#include "friend\fgary.h"
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#endif
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#ifndef __GAME_GAME_H__
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#include "game\game.h"
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#endif
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void CNpcGaryFriend::think( int _frames )
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{
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CNpcFriend::think(_frames);
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s8 multiplier = -1 + ( 2 * m_extension );
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s32 maxHeight = 20;
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s32 fallSpeed = 3;
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s8 yMovement = fallSpeed * _frames;
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s8 groundHeight;
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// check vertical collision
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groundHeight = CGameScene::getCollision()->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
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if ( m_platform )
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{
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s32 platformHeight = m_platform->getHeightFromPlatformAtPosition( Pos.vx, Pos.vy );
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if ( platformHeight < groundHeight )
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{
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groundHeight = platformHeight;
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}
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//Pos.vy += platformHeight;
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//return;
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}
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if ( groundHeight <= 0 )
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{
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// groundHeight <= 0 indicates either on ground or below ground
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// check horizontal collision
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if ( CGameScene::getCollision()->getHeightFromGround( Pos.vx + ( multiplier * _frames ), Pos.vy ) < -maxHeight )
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{
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// reverse direction
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m_extension = !m_extension;
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}
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else
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{
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// make sure we are on the ground, not below it
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Pos.vy += groundHeight;
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Pos.vx += multiplier * _frames;
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}
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}
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else
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{
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// above ground
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if ( groundHeight < yMovement )
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{
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// colliding with ground
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Pos.vy += groundHeight;
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if ( CGameScene::getCollision()->getHeightFromGround( Pos.vx + ( multiplier * _frames ), Pos.vy ) < -maxHeight )
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{
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// reverse direction
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m_extension = !m_extension;
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}
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else
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{
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Pos.vx += multiplier * _frames;
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}
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}
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else
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{
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Pos.vy += yMovement;
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}
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}
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} |