SBSPSS/source/platform/pcart.cpp

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/*=========================================================================
pcart.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PCART_H__
#include "platform\pcart.h"
#endif
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#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
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#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
#ifndef __VID_HEADER_
#include "system\vid.h"
#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::postInit()
{
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CNpcPlatform::postInit();
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m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
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m_carSpeed = m_speed << 8;
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m_isActivated = false;
sBBox boundingBox = m_modelGfx->GetBBox();
boundingBox.YMin = boundingBox.YMax - 32;
setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( boundingBox.YMax + boundingBox.YMin ) >> 1 );
calculateNonRotatedCollisionData();
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}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::processMovement( int _frames )
{
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s32 fallSpeed = 2;
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s8 yMovement = fallSpeed * _frames;
s32 distX, distY, heading;
s32 groundHeight;
s32 moveX = 0;
s32 moveY = 0;
bool pathComplete;
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if ( m_isActivated )
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{
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m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &heading );
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if ( !pathComplete )
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{
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moveX = ( m_carSpeed >> 8 ) * _frames;
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if ( heading == 2048 )
{
moveX = -moveX;
}
}
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if ( m_inJump )
{
m_vertSpeed += 64;
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if ( m_vertSpeed > ( 5 << 8 ) )
{
m_vertSpeed = 5 << 8;
}
else if ( m_vertSpeed < -( 6 << 8 ) )
{
m_vertSpeed = -( 6 << 8 );
}
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moveY = ( m_vertSpeed >> 8 ) * _frames;
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groundHeight = CGameScene::getCollision()->getHeightFromGround( Pos.vx + moveX, Pos.vy + moveY, 16 );
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if ( groundHeight < 0 )
{
// have touched down
m_inJump = false;
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moveY += groundHeight;
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}
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}
else
{
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// check for vertical movement
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s32 checkDist = yMovement + 50;
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groundHeight = CGameScene::getCollision()->getHeightFromGround( Pos.vx + moveX, Pos.vy, checkDist );
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if ( groundHeight < checkDist )
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{
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// groundHeight <= yMovement indicates either just above ground or on or below ground
moveY = groundHeight;
}
else
{
// fall
moveY = yMovement;
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}
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if ( moveY < 0 )
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{
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m_carSpeed -= 1;
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 );
}
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}
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}
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Pos.vx += moveX;
Pos.vy += moveY;
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// sort out draw rotation
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DVECTOR testPos1, testPos2;
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testPos1 = testPos2 = Pos;
testPos1.vx -= 10;
testPos2.vx += 10;
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u8 sensorDist = 16;
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s32 yDiff;
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yDiff = CGameScene::getCollision()->getHeightFromGround( testPos1.vx, testPos1.vy, sensorDist + 1 );
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if ( yDiff <= sensorDist )
{
// only use if there is ground present
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testPos1.vy += yDiff;
}
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yDiff = CGameScene::getCollision()->getHeightFromGround( testPos2.vx, testPos2.vy, sensorDist + 1 );
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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 );
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setCollisionAngle( heading );
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}
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else
{
groundHeight = CGameScene::getCollision()->getHeightFromGround( Pos.vx, Pos.vy, yMovement + 16 );
if ( groundHeight <= yMovement )
{
moveY = groundHeight;
}
else
{
// fall
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moveY = yMovement;
}
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Pos.vy += moveY;
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if ( m_contact )
{
m_isActivated = true;
}
}
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}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::render()
{
if ( m_isActive )
{
CPlatformThing::render();
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if (canRender())
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{
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DVECTOR &renderPos=getRenderPos();
SVECTOR rotation;
rotation.vx = 0;
rotation.vy = 0;
rotation.vz = getCollisionAngle();
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VECTOR scale;
scale.vx = ONE;
scale.vy = ONE;
scale.vz = ONE;
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m_modelGfx->Render(renderPos,&rotation,&scale);
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}
}
}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::jump()
{
if ( !m_inJump )
{
m_inJump = true;
m_vertSpeed = -6 << 8;
}
}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcCartPlatform::collidedWith( CThing *_thisThing )
{
switch(_thisThing->getThingType())
{
case TYPE_PLAYER:
{
CPlayer *player;
DVECTOR playerPos;
CRECT collisionArea;
// Only interested in SBs feet colliding with the box (pkg)
player=(CPlayer*)_thisThing;
playerPos=player->getPos();
collisionArea=getCollisionArea();
s32 threshold = abs( collisionArea.y2 - collisionArea.y1 );
if ( threshold > 16 )
{
threshold = 16;
}
if( playerPos.vx >= collisionArea.x1 && playerPos.vx <= collisionArea.x2 )
{
if ( checkCollisionDelta( _thisThing, threshold, collisionArea ) )
{
player->setPlatform( this );
m_contact = true;
}
else
{
if( playerPos.vy >= collisionArea.y1 && playerPos.vy <= collisionArea.y2 )
{
if ( m_isActivated || player->getPosDelta().vy >= 0 )
{
int height = getHeightFromPlatformAtPosition( playerPos.vx, playerPos.vy );
if ( height >= -threshold && height < 1 )
{
player->setPlatform( this );
m_contact = true;
}
}
}
}
}
break;
}
case TYPE_NPC:
case TYPE_HAZARD:
break;
default:
ASSERT(0);
break;
}
}