SBSPSS/source/platform/psbarrel.cpp

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/*=========================================================================
psbarrel.h
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PSBARREL_H__
#include "platform\psbarrel.h"
#endif
#ifndef __GAME_GAME_H__
#include "game\game.h"
#endif
#ifndef __VID_HEADER_
#include "system\vid.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSteerableBarrelPlatform::postInit()
{
CNpcPlatform::postInit();
sBBox boundingBox = m_modelGfx->GetBBox();
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setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), PLATFORMCOLLISIONHEIGHT + ( boundingBox.YMax - boundingBox.YMin ) );
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setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( ( boundingBox.YMax + boundingBox.YMin ) >> 1 ) - 32 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSteerableBarrelPlatform::processMovement( int _frames )
{
s32 maxHeight = 20;
s32 fallSpeed = 3;
s8 yMovement = fallSpeed * _frames;
s32 groundHeight;
s32 moveX = 0;
s32 moveY = 0;
if ( m_contact )
{
CPlayer *player = GameScene.getPlayer();
DVECTOR playerPos = player->getPos();
s32 playerX = playerPos.vx - this->Pos.vx;
if ( playerX > 5 )
{
// roll barrel right
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moveX = m_speed * _frames;
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}
else if ( playerX < -5 )
{
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moveX = -m_speed * _frames;
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}
// check for collision
if ( m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy ) < -maxHeight )
{
moveX = 0;
}
if ( moveX > 0 )
{
m_rotation += 30 * _frames;
m_rotation &= 4095;
}
else if ( moveX < 0 )
{
m_rotation -= 30 * _frames;
m_rotation &= 4095;
}
}
// check for vertical movement
groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy, yMovement + 16 );
if ( groundHeight <= yMovement )
{
// groundHeight <= yMovement indicates either just above ground or on or below ground
moveY = groundHeight;
}
else
{
// fall
moveY = yMovement;
}
Pos.vx += moveX;
Pos.vy += moveY;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSteerableBarrelPlatform::render()
{
if ( m_isActive )
{
CPlatformThing::render();
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if (canRender())
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{
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DVECTOR &renderPos=getRenderPos();
DVECTOR offset = CLevel::getCameraPos();
SVECTOR rotation;
rotation.vx = 0;
rotation.vy = 0;
rotation.vz = m_rotation;
VECTOR scale;
scale.vx = ONE;
scale.vy = ONE;
scale.vz = ONE;
m_modelGfx->Render(renderPos,&rotation,&scale);
#if defined (__USER_paul__) || defined (__USER_charles__)
DVECTOR size;
DVECTOR centre;
int halfLength;
int x1,y1,x2,y2;
centre=getCollisionCentre();
size=getCollisionSize();
halfLength=size.vx>>1;
x1=-halfLength*mcos(getCollisionAngle()&4095)>>12;
y1=-halfLength*msin(getCollisionAngle()&4095)>>12;
x2=+halfLength*mcos(getCollisionAngle()&4095)>>12;
y2=+halfLength*msin(getCollisionAngle()&4095)>>12;
centre.vx-=offset.vx;
centre.vy-=offset.vy;
x1+=centre.vx;
y1+=centre.vy;
x2+=centre.vx;
y2+=centre.vy;
DrawLine(x1,y1,x2,y2,0,255,0,0);
#endif
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}
}
}