void CPlayerPickupController::CheckObjectPosition( Vector &position, const QAngle &angles, const Vector &oldPosition )
{
CBaseEntity *pAttached = m_grabController.GetAttached();
trace_t tr;
// move radially away from the player and check for space
Vector offsetDir = position - m_pPlayer->GetAbsOrigin();
offsetDir.z = 0;
VectorNormalize(offsetDir);
Vector startSweep = position + offsetDir * pAttached->EntitySpaceSize().Length();
TraceCollideAgainstBBox( pAttached->VPhysicsGetObject()->GetCollide(), startSweep, position, angles,
m_pPlayer->GetAbsOrigin(), m_pPlayer->WorldAlignMins(), m_pPlayer->WorldAlignMaxs(), &tr );
if ( tr.fraction != 1.0 )
{
// if you hit, back off 4 inches and set that as the target
// otherwise, you made it all the way and the position is fine
if ( tr.startsolid )
{
position = oldPosition;
}
else
{
position = tr.endpos + offsetDir * 2;
}
}
}
void CPlayerPickupController::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if ( ToBasePlayer(pActivator) == m_pPlayer )
{
CBaseEntity *pAttached = m_grabController.GetAttached();
// UNDONE: Use vphysics stress to decide to drop objects
// UNDONE: Must fix case of forcing objects into the ground you're standing on (causes stress) before that will work
if ( !pAttached || useType == USE_OFF || (m_pPlayer->m_nButtons & IN_ATTACK2) || m_grabController.ComputeError() > 12 )
{
Shutdown();
return;
}
//Adrian: Oops, our object became motion disabled, let go!
IPhysicsObject *pPhys = pAttached->VPhysicsGetObject();
if ( pPhys && pPhys->IsMoveable() == false )
{
Shutdown();
return;
}
#if STRESS_TEST
vphysics_objectstress_t stress;
CalculateObjectStress( pPhys, pAttached, &stress );
if ( stress.exertedStress > 250 )
{
Shutdown();
return;
}
#endif
#ifndef PLAYER_DISABLE_THROWING
// +ATTACK will throw phys objects
if ( m_pPlayer->m_nButtons & IN_ATTACK )
{
Shutdown( true );
Vector vecLaunch;
m_pPlayer->EyeVectors( &vecLaunch );
// JAY: Scale this with mass because some small objects really go flying
float massFactor = clamp( pPhys->GetMass(), 0.5, 15 );
massFactor = RemapVal( massFactor, 0.5, 15, 0.5, 4 );
vecLaunch *= player_throwforce.GetFloat() * massFactor;
pPhys->ApplyForceCenter( vecLaunch );
AngularImpulse aVel = RandomAngularImpulse( -10, 10 ) * massFactor;
pPhys->ApplyTorqueCenter( aVel );
return;
}
#endif
if ( useType == USE_SET )
{
// update position
m_grabController.UpdateObject( m_pPlayer, 12 );
}
}
}
void CPlayerPickupController::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if ( ToBasePlayer(pActivator) == m_pPlayer )
{
CBaseEntity *pAttached = m_grabController.GetAttached();
if ( !pAttached || useType == USE_OFF || m_grabController.ComputeError() > 12 || (m_pPlayer->m_nButtons & (IN_ATTACK|IN_ATTACK2)) )
{
Shutdown();
return;
}
else if ( useType == USE_SET )
{
// update position
matrix3x4_t tmp;
ComputePlayerMatrix( tmp );
Vector position;
QAngle angles;
VectorTransform( m_positionPlayerSpace, tmp, position );
angles = TransformAnglesToWorldSpace( m_anglesPlayerSpace, tmp );
CheckObjectPosition( position, angles, pAttached->GetAbsOrigin() );
// check to see if object is still sitting on something
trace_t tr;
Vector down = Vector( 0, 0, -6 );
UTIL_TraceEntity( pAttached, position, position + down, MASK_SOLID, &tr );
// if trace made it then there's nothing left to sit on, break the tie
if ( tr.fraction == 1 )
{
Shutdown();
return;
}
else
{
m_grabController.SetTargetPosition( position, angles );
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bool -
//-----------------------------------------------------------------------------
void CPlayerPickupController::Shutdown( bool bThrown )
{
CBaseEntity *pObject = m_grabController.GetAttached();
bool bClearVelocity = false;
if ( !bThrown && pObject && pObject->VPhysicsGetObject() && pObject->VPhysicsGetObject()->GetContactPoint(NULL,NULL) )
{
bClearVelocity = true;
}
CSDKPlayer *pOwner = (CSDKPlayer *)To_SDKPlayer( m_pPlayer );
pOwner->ClearUsePickup();
m_grabController.DetachEntity( bClearVelocity );
if ( pObject != NULL )
{
Pickup_OnPhysGunDrop( pObject, m_pPlayer, bThrown ? THROWN_BY_PLAYER : DROPPED_BY_PLAYER );
}
if ( m_pPlayer )
{
m_pPlayer->SetUseEntity( NULL );
if ( m_pPlayer->GetActiveWeapon() )
{
if ( !m_pPlayer->GetActiveWeapon()->Deploy() )
{
// We tried to restore the player's weapon, but we couldn't.
// This usually happens when they're holding an empty weapon that doesn't
// autoswitch away when out of ammo. Switch to next best weapon.
m_pPlayer->SwitchToNextBestWeapon( NULL );
}
}
m_pPlayer->m_Local.m_iHideHUD &= ~HIDEHUD_WEAPONSELECTION;
}
Remove();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pEnt -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CPlayerPickupController::IsHoldingEntity( CBaseEntity *pEnt )
{
return ( m_grabController.GetAttached() == pEnt );
}