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 );
m_carSpeed = m_data[m_type].speed << 8;
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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;
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;
if ( heading == 2048 )
{
moveX = -moveX;
}
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}
// check for vertical movement
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s32 checkDist = yMovement + 50;
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groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy, checkDist );
if ( groundHeight < checkDist )
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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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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 );
}
}
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Pos.vx += moveX;
Pos.vy += moveY;
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// sort out draw rotation
DVECTOR testPos1, testPos2;
testPos1 = testPos2 = Pos;
testPos1.vx -= 10;
testPos2.vx += 10;
u8 sensorDist = 16;
s32 yDiff;
yDiff = m_layerCollision->getHeightFromGround( testPos1.vx, testPos1.vy, sensorDist + 1 );
if ( yDiff <= sensorDist )
{
// only use if there is ground present
testPos1.vy += yDiff;
}
yDiff = m_layerCollision->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();
// Render
DVECTOR renderPos;
DVECTOR offset = CLevel::getCameraPos();
renderPos.vx = Pos.vx - offset.vx ;
renderPos.vy = Pos.vy - offset.vy ;
CRECT collisionRect = getCollisionArea();
collisionRect.x1 -= Pos.vx;
collisionRect.x2 -= Pos.vx;
collisionRect.y1 -= Pos.vy;
collisionRect.y2 -= Pos.vy;
if ( renderPos.vx + collisionRect.x2 >= 0 && renderPos.vx + collisionRect.x1 <= VidGetScrW() )
{
if ( renderPos.vy + collisionRect.y2 >= 0 && renderPos.vy + collisionRect.y1 <= VidGetScrH() )
{
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);
#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
}
}
}
}