C++ VPhysicsGetObject函数代码示例

void CNPC_HL1Barney::SUB_LVFadeOut( void  )
{
	if( VPhysicsGetObject() )
	{
		if( VPhysicsGetObject()->GetGameFlags() & FVPHYSICS_PLAYER_HELD || GetEFlags() & EFL_IS_BEING_LIFTED_BY_BARNACLE )
		{
			// Try again in a few seconds.
			SetNextThink( gpGlobals->curtime + 5 );
			SetRenderColorA( 255 );
			return;
		}
	}

	float dt = gpGlobals->frametime;
	if ( dt > 0.1f )
	{
		dt = 0.1f;
	}
	m_nRenderMode = kRenderTransTexture;
	int speed = max(3,256*dt); // fade out over 3 seconds
	SetRenderColorA( UTIL_Approach( 0, m_clrRender->a, speed ) );
	NetworkStateChanged();

	if ( m_clrRender->a == 0 )
	{
		UTIL_Remove(this);
	}
	else
	{
		SetNextThink( gpGlobals->curtime );
	}
}

//---------------------------------------------------------
//---------------------------------------------------------
void CBounceBomb::CloseHooks()
{
	if( !m_bLockSilently )
	{
		EmitSound( "NPC_CombineMine.CloseHooks" );
	}

	if( VPhysicsGetObject() )
	{
		// It's possible to not have a valid physics object here, since this function doubles as an initialization function.
		PhysSetGameFlags( VPhysicsGetObject(), FVPHYSICS_CONSTRAINT_STATIC );
	}

	// Only lock silently the first time we call this.
	m_bLockSilently = false;

	SetPoseParameter( m_iAllHooks, 0 );

	VPhysicsGetObject()->EnableMotion( false );

	// Once I lock down, forget how many tries it took.
	m_iFlipAttempts = 0;

#ifdef _XBOX 
	AddEffects( EF_NOSHADOW );
#endif
}

void CNPC_Portal_FloorTurret::InactiveThink( void )
{
	LaserOff();
	RopesOff();

	// Update our PVS state
	CheckPVSCondition();

	SetNextThink( gpGlobals->curtime + 1.0f );

	// Wake up if we're not on our side
	if ( !OnSide() && VPhysicsGetObject()->GetContactPoint( NULL, NULL ) && m_bEnabled )
	{
		// Never return to life!
		SetCollisionGroup( COLLISION_GROUP_NONE );
		//ReturnToLife();
	}
	else
	{
		IPhysicsObject *pTurretPhys = VPhysicsGetObject();

		if ( !(pTurretPhys->GetGameFlags() & FVPHYSICS_PLAYER_HELD) && pTurretPhys->IsAsleep() )
			SetCollisionGroup( COLLISION_GROUP_DEBRIS_TRIGGER );
		else
			SetCollisionGroup( COLLISION_GROUP_NONE );
	}
}

bool CPhysBox::CreateVPhysics()
{
	solid_t tmpSolid;
	PhysModelParseSolid( tmpSolid, this, GetModelIndex() );
	if ( m_massScale > 0 )
	{
		float mass = tmpSolid.params.mass * m_massScale;
		mass = clamp( mass, 0.5, 1e6 );
		tmpSolid.params.mass = mass;
	}

	PhysSolidOverride( tmpSolid, m_iszOverrideScript );
	IPhysicsObject *pPhysics = VPhysicsInitNormal( GetSolid(), GetSolidFlags(), true, &tmpSolid );

	if ( m_damageType == 1 )
	{
		PhysSetGameFlags( pPhysics, FVPHYSICS_DMG_SLICE );
	}

	// Wake it up if not asleep
	if ( !HasSpawnFlags(SF_PHYSBOX_ASLEEP) )
	{
		VPhysicsGetObject()->Wake();
	}

	if ( HasSpawnFlags(SF_PHYSBOX_MOTIONDISABLED) || m_damageToEnableMotion > 0  )
	{
		VPhysicsGetObject()->EnableMotion( false );
	}

	// only send data when physics moves this object
	NetworkStateManualMode( true );

	return true;
}

bool CBounceBomb::IsValidLocation() 
{
	CBaseEntity *pAvoidObject = NULL;
	float flAvoidForce = 0.0f;
	CAI_Hint *pHint;
	CHintCriteria criteria;
	criteria.SetHintType( HINT_WORLD_INHIBIT_COMBINE_MINES );
	criteria.SetFlag( bits_HINT_NODE_NEAREST );
	criteria.AddIncludePosition( GetAbsOrigin(), 12.0f * 15.0f );
	pHint = CAI_HintManager::FindHint( GetAbsOrigin(), criteria );

	if( pHint )
	{
		pAvoidObject = pHint;
		flAvoidForce = 120.0f;
	}
	else
	{
		// Look for other mines that are too close to me.
		CBaseEntity *pEntity = gEntList.FirstEnt();
		Vector vecMyPosition = GetAbsOrigin();
		while( pEntity )
		{
			if( pEntity->m_iClassname == m_iClassname && pEntity != this )
			{
				// Don't lock down if I'm near a mine that's already locked down.
				if( vecMyPosition.DistToSqr(pEntity->GetAbsOrigin()) < MINE_MIN_PROXIMITY_SQR )
				{
					pAvoidObject = pEntity;
					flAvoidForce = 60.0f;
					break;
				}
			}

			pEntity = gEntList.NextEnt( pEntity );
		}
	}

	if( pAvoidObject )
	{
		// Build a force vector to push us away from the inhibitor.
		// Start by pushing upwards.
		Vector vecForce = Vector( 0, 0, VPhysicsGetObject()->GetMass() * 200.0f );

		// Now add some force in the direction that takes us away from the inhibitor.
		Vector vecDir = GetAbsOrigin() - pAvoidObject->GetAbsOrigin();
		vecDir.z = 0.0f;
		VectorNormalize( vecDir );
		vecForce += vecDir * VPhysicsGetObject()->GetMass() * flAvoidForce;

		Flip( vecForce, AngularImpulse( 100, 0, 0 ) );

		// Tell the code that asked that this position isn't valid.
		return false;
	}

	return true;
}

bool C_PhysPropClientside::IsAsleep()
{
	if ( VPhysicsGetObject() )
	{
		return VPhysicsGetObject()->IsAsleep();
	}

	return true;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CPhysicsCannister::CannisterActivate( CBaseEntity *pActivator, const Vector &thrustOffset )
{
	// already active or spent
	if ( m_active || !m_thrustTime )
	{
		return;
	}

	m_hLauncher = pActivator;

	Vector thrustDirection = CalcLocalThrust( thrustOffset );
	m_onActivate.FireOutput( pActivator, this, 0 );
	m_thruster.CalcThrust( m_thrustOrigin, thrustDirection, VPhysicsGetObject() );
	m_pController = physenv->CreateMotionController( &m_thruster );
	IPhysicsObject *pPhys = VPhysicsGetObject();
	m_pController->AttachObject( pPhys, true );
	// Make sure the object is simulated
	pPhys->Wake();

	m_active = true;
	m_activateTime = gpGlobals->curtime;
	SetNextThink( gpGlobals->curtime + m_thrustTime );
	SetThink( &CPhysicsCannister::BeginShutdownThink );

	QAngle angles;
	VectorAngles( -thrustDirection, angles );
	m_pJet = dynamic_cast<CSteamJet *>( CBaseEntity::Create( "env_steam", m_thrustOrigin, angles, this ) );
	m_pJet->SetParent( this );

	float extra = m_thruster.m_thrust * (1/5000.f);
	extra = clamp( extra, 0, 1 );

	m_pJet->m_SpreadSpeed = 15 * m_thruster.m_thrust * 0.001;
	m_pJet->m_Speed = 128 + 100 * extra;
	m_pJet->m_StartSize = 10;
	m_pJet->m_EndSize = 25;

	m_pJet->m_Rate = 52 + (int)extra*20;
	m_pJet->m_JetLength = 64;
	m_pJet->m_clrRender = m_clrRender;

	m_pJet->Use( this, this, USE_ON, 1 );
	if ( m_gasSound != NULL_STRING )
	{
		CPASAttenuationFilter filter( this );

		EmitSound_t ep;
		ep.m_nChannel = CHAN_ITEM;
		ep.m_pSoundName =  STRING(m_gasSound);
		ep.m_flVolume = 1.0f;
		ep.m_SoundLevel = SNDLVL_NORM;

		EmitSound( filter, entindex(), ep );
	}
}

//-----------------------------------------------------------------------------
// Purpose: If we are shot after being stuck to the world, move a bit
//-----------------------------------------------------------------------------
int CTFGrenadePipebombProjectile::OnTakeDamage( const CTakeDamageInfo &info )
{
	if ( !info.GetAttacker() )
	{
		Assert( !info.GetAttacker() );
		return 0;
	}

	bool bSameTeam = ( info.GetAttacker()->GetTeamNumber() == GetTeamNumber() );


	if ( m_bTouched && ( info.GetDamageType() & (DMG_BULLET|DMG_BUCKSHOT|DMG_BLAST) ) && bSameTeam == false )
	{
		Vector vecForce = info.GetDamageForce();
		if ( info.GetDamageType() & DMG_BULLET )
		{
			vecForce *= tf_grenade_forcefrom_bullet.GetFloat();
		}
		else if ( info.GetDamageType() & DMG_BUCKSHOT )
		{
			vecForce *= tf_grenade_forcefrom_buckshot.GetFloat();
		}
		else if ( info.GetDamageType() & DMG_BLAST )
		{
			vecForce *= tf_grenade_forcefrom_blast.GetFloat();
		}

		// If the force is sufficient, detach & move the pipebomb
		float flForce = tf_pipebomb_force_to_move.GetFloat();
		if ( vecForce.LengthSqr() > (flForce*flForce) )
		{
			if ( VPhysicsGetObject() )
			{
				VPhysicsGetObject()->EnableMotion( true );
			}

			CTakeDamageInfo newInfo = info;
			newInfo.SetDamageForce( vecForce );

			VPhysicsTakeDamage( newInfo );

			// The pipebomb will re-stick to the ground after this time expires
			m_flMinSleepTime = gpGlobals->curtime + tf_grenade_force_sleeptime.GetFloat();
			m_bTouched = false;

			// It has moved the data is no longer valid.
			m_bUseImpactNormal = false;
			m_vecImpactNormal.Init();

			return 1;
		}
	}

	return 0;
}

//---------------------------------------------------------
//---------------------------------------------------------
void CBounceBomb::OnRestore()
{
	BaseClass::OnRestore();
	if ( gpGlobals->eLoadType == MapLoad_Transition && !m_hSprite && m_LastSpriteColor.GetRawColor() != 0 )
	{
		UpdateLight( true, m_LastSpriteColor.r(), m_LastSpriteColor.g(), m_LastSpriteColor.b(), m_LastSpriteColor.a() );
	}

	if( VPhysicsGetObject() )
	{
		VPhysicsGetObject()->Wake();
	}
}

void C_BasePropDoor::OnDataChanged( DataUpdateType_t type )
{
	BaseClass::OnDataChanged( type );

	if ( type == DATA_UPDATE_CREATED )
	{
		SetSolid(SOLID_VPHYSICS);
		VPhysicsInitShadow( false, false );
	}
	else if ( VPhysicsGetObject() )
	{
		VPhysicsGetObject()->UpdateShadow( GetAbsOrigin(), GetAbsAngles(), false, TICK_INTERVAL );
	}
}

//---------------------------------------------------------
// Bouncbomb flips to try to right itself, try to get off
// of and object that it's not allowed to clamp to, or 
// to get away from a hint node that inhibits placement
// of mines.
//---------------------------------------------------------
void CBounceBomb::Flip( const Vector &vecForce, const AngularImpulse &torque )
{
	if( m_iFlipAttempts > BOUNCEBOMB_MAX_FLIPS )
	{
		// Not allowed to try anymore.
		SetThink(NULL);
		return;
	}

	EmitSound( "NPC_CombineMine.FlipOver" );
	VPhysicsGetObject()->ApplyForceCenter( vecForce );
	VPhysicsGetObject()->ApplyTorqueCenter( torque );
	m_iFlipAttempts++;
}

bool CNPC_Crow::BecomeRagdollOnClient( const Vector &force )
{
	Vector newForce = force;
	
	if( VPhysicsGetObject() )
	{
		float flMass = VPhysicsGetObject()->GetMass();
		float speed = VectorNormalize( newForce );
		speed = min( speed, (CROW_RAGDOLL_SPEED_LIMIT * flMass) );
		newForce *= speed;
	}

	return BaseClass::BecomeRagdollOnClient( newForce );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CObjectSiegePlatform::SetObjectCollisionBox( void )
{
	if ( VPhysicsGetObject() )
	{
		Vector absmins, absmaxs;		
		physcollision->CollideGetAABB( absmins, absmaxs, VPhysicsGetObject()->GetCollide(), GetAbsOrigin(), GetAbsAngles() );
		SetAbsMins( absmins );
		SetAbsMaxs( absmaxs );
		return;
	}
	else
	{
		BaseClass::SetObjectCollisionBox();
	}
}

void C_HL2MPRagdoll::ImpactTrace( trace_t *pTrace, int iDamageType, char *pCustomImpactName )
{
	IPhysicsObject *pPhysicsObject = VPhysicsGetObject();

	if( !pPhysicsObject )
		return;

	Vector dir = pTrace->endpos - pTrace->startpos;

	if ( iDamageType == DMG_BLAST )
	{
		dir *= 4000;  // adjust impact strenght
				
		// apply force at object mass center
		pPhysicsObject->ApplyForceCenter( dir );
	}
	else
	{
		Vector hitpos;  
	
		VectorMA( pTrace->startpos, pTrace->fraction, dir, hitpos );
		VectorNormalize( dir );

		dir *= 4000;  // adjust impact strenght

		// apply force where we hit it
		pPhysicsObject->ApplyForceOffset( dir, hitpos );	

		// Blood spray!
//		FX_CS_BloodSpray( hitpos, dir, 10 );
	}

	m_pRagdoll->ResetRagdollSleepAfterTime();
}

void CPhysicsCannister::Spawn( void )
{
	Precache();
	SetModel( STRING(GetModelName()) );
	SetBloodColor( DONT_BLEED );

	AddSolidFlags( FSOLID_CUSTOMRAYTEST );
	m_takedamage = DAMAGE_YES;
	SetNextThink( TICK_NEVER_THINK );

	if ( m_iHealth <= 0 )
		m_iHealth = 25;

	m_flAnimTime = gpGlobals->curtime;
	m_flPlaybackRate = 0.0;
	SetCycle( 0 );
	m_bFired = false;

	// not thrusting
	m_active = false;

	CreateVPhysics();
	if ( !VPhysicsGetObject() )
	{
		// must have a physics object or code will crash later
		UTIL_Remove(this);
	}
}