SBSPSS/source/platform/pcart.cpp
2001-05-25 18:43:47 +00:00

171 lines
3.1 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
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
#ifndef __VID_HEADER_
#include "system\vid.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::postInit()
{
CNpcPlatform::postInit();
m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
m_carSpeed = m_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 = CGameScene::getCollision()->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;
// sort out draw rotation
DVECTOR testPos1, testPos2;
testPos1 = testPos2 = Pos;
testPos1.vx -= 10;
testPos2.vx += 10;
u8 sensorDist = 16;
s32 yDiff;
yDiff = CGameScene::getCollision()->getHeightFromGround( testPos1.vx, testPos1.vy, sensorDist + 1 );
if ( yDiff <= sensorDist )
{
// only use if there is ground present
testPos1.vy += yDiff;
}
yDiff = CGameScene::getCollision()->getHeightFromGround( testPos2.vx, testPos2.vy, sensorDist + 1 );
if ( yDiff <= sensorDist )
{
// only use if there is ground present
testPos2.vy += yDiff;
}
s32 xDist = testPos2.vx - testPos1.vx;
s32 yDist = testPos2.vy - testPos1.vy;
heading = ratan2( yDist, xDist );
setCollisionAngle( heading );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::render()
{
if ( m_isActive )
{
CPlatformThing::render();
if (canRender())
{
DVECTOR &renderPos=getRenderPos();
SVECTOR rotation;
rotation.vx = 0;
rotation.vy = 0;
rotation.vz = getCollisionAngle();
VECTOR scale;
scale.vx = ONE;
scale.vy = ONE;
scale.vz = ONE;
m_modelGfx->Render(renderPos,&rotation,&scale);
}
}
}