void CPortalGameMovement::FunnelIntoPortal( CProp_Portal *pPortal, Vector &wishdir )
{
// Make sure there's a portal
if ( !pPortal )
return;
// Get portal vectors
Vector vPortalForward, vPortalRight, vPortalUp;
pPortal->GetVectors( &vPortalForward, &vPortalRight, &vPortalUp );
// Make sure it's a floor portal
if ( vPortalForward.z < 0.8f )
return;
vPortalRight.z = 0.0f;
vPortalUp.z = 0.0f;
VectorNormalize( vPortalRight );
VectorNormalize( vPortalUp );
// Make sure the player is looking downward
CPortal_Player *pPlayer = GetPortalPlayer();
Vector vPlayerForward;
pPlayer->EyeVectors( &vPlayerForward );
if ( vPlayerForward.z > -0.1f )
return;
Vector vPlayerOrigin = pPlayer->GetAbsOrigin();
Vector vPlayerToPortal = pPortal->GetAbsOrigin() - vPlayerOrigin;
// Make sure the player is trying to air control, they're falling downward and they are vertically close to the portal
if ( fabsf( wishdir[ 0 ] ) > 64.0f || fabsf( wishdir[ 1 ] ) > 64.0f || mv->m_vecVelocity[ 2 ] > -165.0f || vPlayerToPortal.z < -512.0f )
return;
// Make sure we're in the 2D portal rectangle
if ( ( vPlayerToPortal.Dot( vPortalRight ) * vPortalRight ).Length() > PORTAL_HALF_WIDTH * 1.5f )
return;
if ( ( vPlayerToPortal.Dot( vPortalUp ) * vPortalUp ).Length() > PORTAL_HALF_HEIGHT * 1.5f )
return;
if ( vPlayerToPortal.z > -8.0f )
{
// We're too close the the portal to continue correcting, but zero the velocity so our fling velocity is nice
mv->m_vecVelocity[ 0 ] = 0.0f;
mv->m_vecVelocity[ 1 ] = 0.0f;
}
else
{
// Funnel toward the portal
float fFunnelX = vPlayerToPortal.x * PORTAL_FUNNEL_AMOUNT - mv->m_vecVelocity[ 0 ];
float fFunnelY = vPlayerToPortal.y * PORTAL_FUNNEL_AMOUNT - mv->m_vecVelocity[ 1 ];
wishdir[ 0 ] += fFunnelX;
wishdir[ 1 ] += fFunnelY;
}
}
float CWeaponPortalgun::FirePortal( bool bPortal2, Vector *pVector /*= 0*/, bool bTest /*= false*/ )
{
bool bPlayer = false;
Vector vEye;
Vector vDirection;
Vector vTracerOrigin;
CBaseEntity *pOwner = GetOwner();
if ( pOwner && pOwner->IsPlayer() )
{
bPlayer = true;
}
if( bPlayer )
{
CPortal_Player *pPlayer = (CPortal_Player *)pOwner;
if ( !bTest && pPlayer )
{
pPlayer->DoAnimationEvent( PLAYERANIMEVENT_ATTACK_PRIMARY, 0 );
}
Vector forward, right, up;
AngleVectors( pPlayer->EyeAngles(), &forward, &right, &up );
pPlayer->EyeVectors( &vDirection, NULL, NULL );
vEye = pPlayer->EyePosition();
// Check if the players eye is behind the portal they're in and translate it
VMatrix matThisToLinked;
CProp_Portal *pPlayerPortal = pPlayer->m_hPortalEnvironment;
if ( pPlayerPortal )
{
Vector ptPortalCenter;
Vector vPortalForward;
ptPortalCenter = pPlayerPortal->GetAbsOrigin();
pPlayerPortal->GetVectors( &vPortalForward, NULL, NULL );
Vector vEyeToPortalCenter = ptPortalCenter - vEye;
float fPortalDist = vPortalForward.Dot( vEyeToPortalCenter );
if( fPortalDist > 0.0f )
{
// Eye is behind the portal
matThisToLinked = pPlayerPortal->MatrixThisToLinked();
}
else
{
pPlayerPortal = NULL;
}
}
if ( pPlayerPortal )
{
UTIL_Portal_VectorTransform( matThisToLinked, forward, forward );
UTIL_Portal_VectorTransform( matThisToLinked, right, right );
UTIL_Portal_VectorTransform( matThisToLinked, up, up );
UTIL_Portal_VectorTransform( matThisToLinked, vDirection, vDirection );
UTIL_Portal_PointTransform( matThisToLinked, vEye, vEye );
if ( pVector )
{
UTIL_Portal_VectorTransform( matThisToLinked, *pVector, *pVector );
}
}
vTracerOrigin = vEye
+ forward * 30.0f
+ right * 4.0f
+ up * (-5.0f);
}
else
{
// This portalgun is not held by the player-- Fire using the muzzle attachment
Vector vecShootOrigin;
QAngle angShootDir;
GetAttachment( LookupAttachment( "muzzle" ), vecShootOrigin, angShootDir );
vEye = vecShootOrigin;
vTracerOrigin = vecShootOrigin;
AngleVectors( angShootDir, &vDirection, NULL, NULL );
}
if ( !bTest )
{
SendWeaponAnim( ACT_VM_PRIMARYATTACK );
}
if ( pVector )
{
vDirection = *pVector;
}
Vector vTraceStart = vEye + (vDirection * m_fMinRange1);
Vector vFinalPosition;
QAngle qFinalAngles;
PortalPlacedByType ePlacedBy = ( bPlayer ) ? ( PORTAL_PLACED_BY_PLAYER ) : ( PORTAL_PLACED_BY_PEDESTAL );
trace_t tr;
float fPlacementSuccess = TraceFirePortal( bPortal2, vTraceStart, vDirection, tr, vFinalPosition, qFinalAngles, ePlacedBy, bTest );
if ( sv_portal_placement_never_fail.GetBool() )
{
fPlacementSuccess = 1.0f;
}
if ( !bTest )
{
CProp_Portal *pPortal = CProp_Portal::FindPortal( m_iPortalLinkageGroupID, bPortal2, true );
// If it was a failure, put the effect at exactly where the player shot instead of where the portal bumped to
if ( fPlacementSuccess < 0.5f )
vFinalPosition = tr.endpos;
pPortal->PlacePortal( vFinalPosition, qFinalAngles, fPlacementSuccess, true );
float fDelay = vTracerOrigin.DistTo( tr.endpos ) / ( ( bPlayer ) ? ( BLAST_SPEED ) : ( BLAST_SPEED_NON_PLAYER ) );
QAngle qFireAngles;
VectorAngles( vDirection, qFireAngles );
DoEffectBlast( pPortal->m_bIsPortal2, ePlacedBy, vTracerOrigin, vFinalPosition, qFireAngles, fDelay );
pPortal->SetContextThink( &CProp_Portal::DelayedPlacementThink, gpGlobals->curtime + fDelay, s_pDelayedPlacementContext );
pPortal->m_vDelayedPosition = vFinalPosition;
pPortal->m_hPlacedBy = this;
}
return fPlacementSuccess;
}
