void CBlobElement::ModifyVelocityForSurface( float flInterval, float flSpeed )
{
trace_t tr;
Vector vecStart = GetAbsOrigin();
Vector up = Vector( 0, 0, BLOB_TRACE_HEIGHT );
Vector vecWishedGoal = vecStart + (GetAbsVelocity() * flInterval);
UTIL_TraceLine( vecStart + up, vecWishedGoal + up, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 0, 0, false, 0.1f );
m_bOnWall = false;
if( tr.fraction == 1.0f )
{
UTIL_TraceLine( vecWishedGoal + up, vecWishedGoal - (up * 2.0f), MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 255, 0, false, 0.1f );
tr.endpos.z += MOVE_HEIGHT_EPSILON;
}
else
{
//NDebugOverlay::Cross3D( GetAbsOrigin(), 16, 255, 255, 0, false, 0.025f );
m_bOnWall = true;
if( tr.m_pEnt != NULL && !tr.m_pEnt->IsWorld() )
{
IPhysicsObject *pPhysics = tr.m_pEnt->VPhysicsGetObject();
if( pPhysics != NULL )
{
Vector vecMassCenter;
Vector vecMassCenterWorld;
vecMassCenter = pPhysics->GetMassCenterLocalSpace();
pPhysics->LocalToWorld( &vecMassCenterWorld, vecMassCenter );
if( tr.endpos.z > vecMassCenterWorld.z )
{
pPhysics->ApplyForceOffset( (-150.0f * m_flRandomEightyPercent) * tr.plane.normal, tr.endpos );
}
}
}
}
Vector vecDir = tr.endpos - vecStart;
VectorNormalize( vecDir );
SetElementVelocity( vecDir * flSpeed, false );
}
void CWeaponGravityGun::EffectUpdate( void )
{
Vector start, forward, right;
trace_t tr;
CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
if ( !pOwner )
return;
pOwner->EyeVectors( &forward, &right, NULL );
start = pOwner->Weapon_ShootPosition();
TraceLine( &tr );
Vector end = tr.endpos;
float distance = tr.fraction * 4096;
if ( m_hObject == NULL && tr.DidHitNonWorldEntity() )
{
CBaseEntity *pEntity = tr.m_pEnt;
AttachObject( pEntity, GetPhysObjFromPhysicsBone( pEntity, tr.physicsbone ), tr.physicsbone, start, tr.endpos, distance );
}
// Add the incremental player yaw to the target transform
QAngle angles = m_gravCallback.TransformAnglesFromPlayerSpace( m_gravCallback.m_targetRotation, pOwner );
CBaseEntity *pObject = m_hObject;
if ( pObject )
{
if ( m_useDown )
{
if ( pOwner->m_afButtonPressed & IN_USE )
{
m_useDown = false;
}
}
else
{
if ( pOwner->m_afButtonPressed & IN_USE )
{
m_useDown = true;
}
}
if ( m_useDown )
{
#ifndef CLIENT_DLL
pOwner->SetPhysicsFlag( PFLAG_DIROVERRIDE, true );
#endif
if ( pOwner->m_nButtons & IN_FORWARD )
{
m_distance = Approach( 1024, m_distance, gpGlobals->frametime * 100 );
}
if ( pOwner->m_nButtons & IN_BACK )
{
m_distance = Approach( 40, m_distance, gpGlobals->frametime * 100 );
}
}
if ( pOwner->m_nButtons & IN_WEAPON1 )
{
m_distance = Approach( 1024, m_distance, m_distance * 0.1 );
}
if ( pOwner->m_nButtons & IN_WEAPON2 )
{
m_distance = Approach( 40, m_distance, m_distance * 0.1 );
}
IPhysicsObject *pPhys = GetPhysObjFromPhysicsBone( pObject, m_physicsBone );
if ( pPhys )
{
if ( pPhys->IsAsleep() )
{
// on the odd chance that it's gone to sleep while under anti-gravity
pPhys->Wake();
}
Vector newPosition = start + forward * m_distance;
Vector offset;
pPhys->LocalToWorld( &offset, m_worldPosition );
Vector vecOrigin;
pPhys->GetPosition( &vecOrigin, NULL );
m_gravCallback.SetTargetPosition( newPosition + (vecOrigin - offset), angles );
Vector dir = (newPosition - pObject->GetLocalOrigin());
m_movementLength = dir.Length();
}
}
else
{
m_targetPosition = end;
//m_gravCallback.SetTargetPosition( end, m_gravCallback.m_targetRotation );
}
}