SBSPSS/source/platform/pcart.cpp
Charles a74745a7b2
2001-05-05 13:54:34 +00:00

98 lines
1.8 KiB
C++

/*=========================================================================
pcart.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PCART_H__
#include "platform\pcart.h"
#endif
#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::postInit()
{
CNpcPlatform::postInit();
m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
m_carSpeed = m_data[m_type].speed << 8;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::processMovement( int _frames )
{
s32 fallSpeed = 2;
s8 yMovement = fallSpeed * _frames;
s32 distX, distY, heading;
s32 groundHeight;
s32 moveX = 0;
s32 moveY = 0;
bool pathComplete;
m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &heading );
if ( !pathComplete )
{
moveX = ( m_carSpeed >> 8 ) * _frames;
if ( heading == 2048 )
{
moveX = -moveX;
}
}
// check for vertical movement
s32 checkDist = yMovement + 50;
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy, checkDist );
if ( groundHeight < checkDist )
{
// groundHeight <= yMovement indicates either just above ground or on or below ground
moveY = groundHeight;
}
else
{
// fall
moveY = yMovement;
}
if ( moveY < 0 )
{
m_carSpeed -= 20;
if ( m_carSpeed < ( 2 << 8 ) )
{
m_carSpeed = ( 2 << 8 );
}
}
else if ( moveY > 0 )
{
m_carSpeed += 20;
if ( m_carSpeed > ( 6 << 8 ) )
{
m_carSpeed = ( 6 << 8 );
}
}
Pos.vx += moveX;
Pos.vy += moveY;
}