C++ CBaseEntity::EntityToWorldTransform方法代码示例

void CDecal :: StaticDecal( void )
{
	trace_t trace;
	int entityIndex, modelIndex = 0;

	Vector position = GetAbsOrigin();
	UTIL_TraceLine( position - Vector(5,5,5), position + Vector(5,5,5),  MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &trace );

	entityIndex = (short)trace.m_pEnt ? trace.m_pEnt->entindex() : 0;
	if ( entityIndex )
	{
		CBaseEntity *ent = trace.m_pEnt;
		if ( ent )
		{
			modelIndex = ent->GetModelIndex();
			VectorITransform( GetAbsOrigin(), ent->EntityToWorldTransform(), position );
		}
	}

	engine->StaticDecal( position, m_nTexture, entityIndex, modelIndex );

	// CRecipientFilter initFilter;
	// initFilter.MakeInitMessage();
	// TE_BSPDecal( initFilter, GetAbsOrigin(), entityIndex, (int)pev->skin );

	SUB_Remove();
}

//-----------------------------------------------------------------------------
// Purpose: Prepares for running movement
// Input  : *player - 
//			*ucmd - 
//			*pHelper - 
//			*move - 
//			time - 
//-----------------------------------------------------------------------------
void CPlayerMove::SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
{
	VPROF( "CPlayerMove::SetupMove" );

	// Allow sound, etc. to be created by movement code
	move->m_bFirstRunOfFunctions = true;

	// Prepare the usercmd fields
	move->m_nImpulseCommand		= ucmd->impulse;	
	move->m_vecViewAngles		= ucmd->viewangles;

	CBaseEntity *pMoveParent = player->GetMoveParent();
	if (!pMoveParent)
	{
		move->m_vecAbsViewAngles = move->m_vecViewAngles;
	}
	else
	{
		matrix3x4_t viewToParent, viewToWorld;
		AngleMatrix( move->m_vecViewAngles, viewToParent );
		ConcatTransforms( pMoveParent->EntityToWorldTransform(), viewToParent, viewToWorld );
		MatrixAngles( viewToWorld, move->m_vecAbsViewAngles );
	}

	move->m_nButtons			= ucmd->buttons;

	// Ingore buttons for movement if at controls
	if ( player->GetFlags() & FL_ATCONTROLS )
	{
		move->m_flForwardMove		= 0;
		move->m_flSideMove			= 0;
		move->m_flUpMove				= 0;
	}
	else
	{
		move->m_flForwardMove		= ucmd->forwardmove;
		move->m_flSideMove			= ucmd->sidemove;
		move->m_flUpMove				= ucmd->upmove;
	}

	// Prepare remaining fields
	move->m_flClientMaxSpeed		= player->m_flMaxspeed;
	move->m_nOldButtons			= player->m_Local.m_nOldButtons;
	move->m_vecAngles			= player->pl.v_angle;

	move->m_vecVelocity			= player->GetAbsVelocity();

	move->m_nPlayerHandle		= player;

	move->m_vecAbsOrigin		= player->GetAbsOrigin();

	// Copy constraint information
	if ( player->m_hConstraintEntity.Get() )
		move->m_vecConstraintCenter = player->m_hConstraintEntity.Get()->GetAbsOrigin();
	else
		move->m_vecConstraintCenter = player->m_vecConstraintCenter;
	move->m_flConstraintRadius = player->m_flConstraintRadius;
	move->m_flConstraintWidth = player->m_flConstraintWidth;
	move->m_flConstraintSpeedFactor = player->m_flConstraintSpeedFactor;
}

//-----------------------------------------------------------------------------
// Purpose: Try and find an entity to lock onto
//-----------------------------------------------------------------------------
CBaseEntity *CWeaponCombat_ChargeablePlasma::GetLockTarget( void )
{
	CBaseTFPlayer *pPlayer = (CBaseTFPlayer*)GetOwner();
	if ( !pPlayer )
		return NULL;

	Vector vecSrc = pPlayer->Weapon_ShootPosition( );
	Vector vecAiming;
	pPlayer->EyeVectors( &vecAiming );
	Vector vecEnd = vecSrc + vecAiming * MAX_TRACE_LENGTH;

	trace_t tr;
	TFGameRules()->WeaponTraceLine( vecSrc, vecEnd, MASK_SHOT, pPlayer, GetDamageType(), &tr );

	if ( (tr.fraction < 1.0f) && tr.m_pEnt )
	{
		CBaseEntity *pTargetEntity = tr.m_pEnt;

		// Don't guide on same team or on anything other than players, objects, and NPCs
		if ( pTargetEntity->InSameTeam(pPlayer) || (!pTargetEntity->IsPlayer() 
			&& (pTargetEntity->MyNPCPointer() == NULL)) )
			return NULL;

		// Compute the target offset relative to the target
		Vector vecWorldOffset;
		VectorSubtract( tr.endpos, pTargetEntity->GetAbsOrigin(), vecWorldOffset );
		VectorIRotate( vecWorldOffset, pTargetEntity->EntityToWorldTransform(), m_vecTargetOffset ); 
		m_flLockedAt = gpGlobals->curtime + 0.2;
		return pTargetEntity;
	}

	return NULL;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CASW_Prediction::SetupMove( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, 
	CMoveData *move )
{
	// Call the default SetupMove code.
	BaseClass::SetupMove( player, ucmd, pHelper, move );
	
	CASW_Player *pASWPlayer = static_cast<CASW_Player*>( player );
	if ( !asw_allow_detach.GetBool() )
	{		
		if ( pASWPlayer && pASWPlayer->GetMarine() )
		{
			// this forces horizontal movement
			move->m_vecAngles.x = 0;
			move->m_vecViewAngles.x = 0;
		}
	}

	CBaseEntity *pMoveParent = player->GetMoveParent();
	if (!pMoveParent)
	{
		move->m_vecAbsViewAngles = move->m_vecViewAngles;
	}
	else
	{
		matrix3x4_t viewToParent, viewToWorld;
		AngleMatrix( move->m_vecViewAngles, viewToParent );
		ConcatTransforms( pMoveParent->EntityToWorldTransform(), viewToParent, viewToWorld );
		MatrixAngles( viewToWorld, move->m_vecAbsViewAngles );
	}
	CASW_MoveData *pASWMove = static_cast<CASW_MoveData*>( move );
	pASWMove->m_iForcedAction = ucmd->forced_action;
	// setup trace optimization
	g_pGameMovement->SetupMovementBounds( move );
}

//-----------------------------------------------------------------------------
// Eye angles
//-----------------------------------------------------------------------------
const QAngle &CBasePlayer::EyeAngles( )
{
	// NOTE: Viewangles are measured *relative* to the parent's coordinate system
	CBaseEntity *pMoveParent = const_cast<CBasePlayer*>(this)->GetMoveParent();

	if ( !pMoveParent )
	{
		return pl.v_angle;
	}

	// FIXME: Cache off the angles?
	matrix3x4_t eyesToParent, eyesToWorld;
	AngleMatrix( pl.v_angle, eyesToParent );
	ConcatTransforms( pMoveParent->EntityToWorldTransform(), eyesToParent, eyesToWorld );

	static QAngle angEyeWorld;
	MatrixAngles( eyesToWorld, angEyeWorld );
	return angEyeWorld;
}

void CDecal::StaticDecal( void )
{
	Vector position;
	CBaseEntity *pEntity = GetDecalEntityAndPosition(&position, true);
	int entityIndex = 0;
	int modelIndex = 0;

	if ( pEntity )
	{
		entityIndex = pEntity->entindex();
		modelIndex = pEntity->GetModelIndex();
		Vector worldspace = position;
		VectorITransform( worldspace, pEntity->EntityToWorldTransform(), position );
	}
	else
	{
		position = GetAbsOrigin();
	}

	engine->StaticDecal( position, m_nTexture, entityIndex, modelIndex, m_bLowPriority );

	SUB_Remove();
}

void CMarineMove::SetupMarineMove( const CBasePlayer *player, CBaseEntity *marine, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
{
	VPROF( "CMarineMove::SetupMarineMove" );

	// hm, we need it to be a specific swarm marine here, not a generic entity
	CASW_Marine *aswmarine = static_cast< CASW_Marine * >(marine);
	if (aswmarine == NULL)
		return;

	// Prepare the usercmd fields
	move->m_nImpulseCommand		= ucmd->impulse;	
	move->m_vecViewAngles		= ucmd->viewangles;
	move->m_vecViewAngles.x = 0;	// asw always walking horizontally

	CBaseEntity *pMoveParent = marine->GetMoveParent();
	if (!pMoveParent)
	{
		move->m_vecAbsViewAngles = move->m_vecViewAngles;
	}
	else
	{
		matrix3x4_t viewToParent, viewToWorld;
		AngleMatrix( move->m_vecViewAngles, viewToParent );
		ConcatTransforms( pMoveParent->EntityToWorldTransform(), viewToParent, viewToWorld );
		MatrixAngles( viewToWorld, move->m_vecAbsViewAngles );
	}

	move->m_nButtons			= ucmd->buttons;

	// Ingore buttons for movement if at controls
	if ( marine->GetFlags() & FL_ATCONTROLS )
	{
		move->m_flForwardMove		= 0;
		move->m_flSideMove			= 0;
		move->m_flUpMove				= 0;
	}
	else
	{
		move->m_flForwardMove		= ucmd->forwardmove;
		move->m_flSideMove			= ucmd->sidemove;
		move->m_flUpMove				= ucmd->upmove;
	}

	// Prepare remaining fields
	move->m_flClientMaxSpeed		= aswmarine->MaxSpeed(); //player->MaxSpeed();
#ifdef CLIENT_DLL
	//Msg("maxspeed = %f\n", move->m_flClientMaxSpeed);
#endif
	//move->m_nOldButtons			= player->m_Local.m_nOldButtons;
	move->m_nOldButtons = aswmarine->m_nOldButtons;
	move->m_vecAngles			= marine->GetAbsAngles(); //player->pl.v_angle;
#ifdef GAME_DLL
	//Msg("S ucmd %d vel %f %f %f\n", ucmd->command_number, move->m_vecVelocity.x, move->m_vecVelocity.y, move->m_vecVelocity.z);
#else
	//Msg("C ucmd %d vel %f %f %f\n", ucmd->command_number, move->m_vecVelocity.x, move->m_vecVelocity.y, move->m_vecVelocity.z);
#endif
	move->m_vecVelocity			= marine->GetAbsVelocity();
	
	move->m_nPlayerHandle		= marine;//player;

#ifdef GAME_DLL
	move->SetAbsOrigin( marine->GetAbsOrigin() );
#else
	move->SetAbsOrigin( marine->GetNetworkOrigin() );
	/*
	C_BaseEntity *pEnt = cl_entitylist->FirstBaseEntity();
	while (pEnt)
	{
		if (FClassnameIs(pEnt, "class C_DynamicProp"))
		{
			Msg("Setting z to %f\n", pEnt->GetAbsOrigin().z + 10);
			move->m_vecAbsOrigin.z = pEnt->GetAbsOrigin().z + 10;
			marine->SetNetworkOrigin(pEnt->GetAbsOrigin() + Vector(0,0,10));
			break;
		}
		pEnt = cl_entitylist->NextBaseEntity( pEnt );
	}
	*/
#endif

	//Msg("Move X velocity set to %f forward move = %f  origin = %f\n",
//		move->m_vecVelocity.x, move->m_flForwardMove, move->m_vecAbsOrigin.x);

	// Copy constraint information
	/*
	if ( player->m_hConstraintEntity.Get() )
		move->m_vecConstraintCenter = player->m_hConstraintEntity.Get()->GetAbsOrigin();
	else
		move->m_vecConstraintCenter = player->m_vecConstraintCenter;
	move->m_flConstraintRadius = player->m_flConstraintRadius;
	move->m_flConstraintWidth = player->m_flConstraintWidth;
	move->m_flConstraintSpeedFactor = player->m_flConstraintSpeedFactor;
	*/
}

	CTraceFilterValidForDecal traceFilter( this, COLLISION_GROUP_NONE );
	int entityIndex, modelIndex = 0;

	Vector position = GetAbsOrigin();
	UTIL_TraceLine( position - Vector(5,5,5), position + Vector(5,5,5),  MASK_SOLID, &traceFilter, &trace );

	bool canDraw = true;

	entityIndex = trace.m_pEnt ? (short)trace.m_pEnt->entindex() : 0;
	if ( entityIndex )
	{
		CBaseEntity *ent = trace.m_pEnt;
		if ( ent )
		{
			modelIndex = ent->GetModelIndex();
			VectorITransform( GetAbsOrigin(), ent->EntityToWorldTransform(), position );

			canDraw = ( modelIndex != 0 );
			if ( !canDraw )
			{
				Warning( "Suppressed StaticDecal which would have hit entity %i (class:%s, name:%s) with modelindex = 0\n",
					ent->entindex(),
					ent->GetClassname(),
					STRING( ent->GetEntityName() ) );
			}
		}
	}

	if ( canDraw )
	{
		engine->StaticDecal( position, m_nTexture, entityIndex, modelIndex, m_bLowPriority );

void CNPC_SecobModportal1::Touch( CBaseEntity *pOther )
{
	BaseClass::Touch( pOther );
	


	// Did the player touch me?
	if ( pOther->IsPlayer() )
	{
	
		const char *PlayerSteamID = engine->GetPlayerNetworkIDString(pOther->edict()); //Finds the current players Steam ID.		
		if( PlayerSteamID == NULL)
		return;
		char Portal2Name[ 512 ];
		Q_strncpy( Portal2Name, "Portal2_" ,sizeof(Portal2Name));
		Q_strncat( Portal2Name, PlayerSteamID,sizeof(Portal2Name), COPY_ALL_CHARACTERS );
		
		// We look for Portal2 for our teleport point because we are Portal1.
		CBaseEntity *pEnt = NULL;
		pEnt = gEntList.FindEntityByName( pEnt, Portal2Name, NULL, pOther, pOther );
		if (!pEnt )
		{
			return;
		}
	
	EmitSound( "PortalPlayer.EnterPortal" );
	
	//PORTAL TRIGGER CODE.
			// Don't touch entities that came through us and haven't left us yet.
		/*EHANDLE hHandle;
		hHandle = pOther;
		if ( m_hDisabledForEntities.Find(hHandle) != m_hDisabledForEntities.InvalidIndex() )
		{
			Msg("    IGNORED\n", GetDebugName(), pOther->GetDebugName() );
			return;
		}
		Pickup_ForcePlayerToDropThisObject( pOther );*/
	
		pOther->SetGroundEntity( NULL );
	
	// Build a this --> remote transformation
		VMatrix matMyModelToWorld, matMyInverse;
		matMyModelToWorld = pOther->EntityToWorldTransform();
		MatrixInverseGeneral ( matMyModelToWorld, matMyInverse );

		// Teleport our object
		VMatrix matRemotePortalTransform = pEnt->EntityToWorldTransform();
		Vector ptNewOrigin, vLook, vRight, vUp, vNewLook;
		pOther->GetVectors( &vLook, &vRight, &vUp );

		// Move origin
		ptNewOrigin = matMyInverse * pOther->GetAbsOrigin();
		ptNewOrigin = matRemotePortalTransform * Vector( ptNewOrigin.x, -ptNewOrigin.y, ptNewOrigin.z );

		// Re-aim camera
		vNewLook	= matMyInverse.ApplyRotation( vLook );
		vNewLook	= matRemotePortalTransform.ApplyRotation( Vector( -vNewLook.x, -vNewLook.y, vNewLook.z ) );

		// Reorient the physics
	 	Vector vVelocity, vOldVelocity;
		pOther->GetVelocity( &vOldVelocity );
		vVelocity = matMyInverse.ApplyRotation( vOldVelocity );
		vVelocity = matRemotePortalTransform.ApplyRotation( Vector( -vVelocity.x, -vVelocity.y, vVelocity.z ) );

				QAngle qNewAngles;
		VectorAngles( vNewLook, qNewAngles );
		
		if ( pOther->IsPlayer() )
		{
			((CBasePlayer*)pOther)->SnapEyeAngles(qNewAngles);
		}

		Vector vecOldPos = pOther->WorldSpaceCenter();


		// place player at the new destination

		pOther->Teleport( &ptNewOrigin, &qNewAngles, &vVelocity );

		// test collision on the new teleport location
		Vector vMin, vMax, vCenter;
		pOther->CollisionProp()->WorldSpaceAABB( &vMin, &vMax );
		vCenter = (vMin + vMax) * 0.5f;
		vMin -= vCenter;
		vMax -= vCenter;

		Vector vStart, vEnd;
		vStart	= ptNewOrigin;
		vEnd	= ptNewOrigin;

		Ray_t ray;
		ray.Init( vStart, vEnd, vMin, vMax );
		trace_t tr;
		this->TestCollision( ray, pOther->PhysicsSolidMaskForEntity(), tr );

		// Teleportation caused us to hit something, deal with it.
		if ( tr.DidHit() )
		{
			
		}
//.........这里部分代码省略.........

bool CParticleSystemQuery::IsPointInControllingObjectHitBox( 
	CParticleCollection *pParticles,
	int nControlPointNumber, Vector vecPos, bool bBBoxOnly )
{
	bool bSuccess = false;
#ifndef GAME_DLL

	EHANDLE *phMoveParent = reinterpret_cast<EHANDLE *> ( pParticles->m_ControlPoints[nControlPointNumber].m_pObject );
	CBaseEntity *pMoveParent = NULL;
	if ( phMoveParent )
	{
		pMoveParent = *( phMoveParent );
	}
	if ( pMoveParent )
	{
		s_BoneMutex.Lock();
		C_BaseAnimating *pAnimating = pMoveParent->GetBaseAnimating();

		bool bInBBox = false;
		Vector vecBBoxMin;
		Vector vecBBoxMax;
		Vector vecOrigin;

		vecBBoxMin = pMoveParent->CollisionProp()->OBBMins();
		vecBBoxMax = pMoveParent->CollisionProp()->OBBMaxs();

		matrix3x4_t matOrientation;
		matOrientation = pMoveParent->EntityToWorldTransform();
		Vector vecLocalPos;
		VectorITransform( vecPos, matOrientation, vecLocalPos );
		if ( IsPointInBox( vecLocalPos, vecBBoxMin, vecBBoxMax ) )
			bInBBox = true;

		if ( bInBBox && bBBoxOnly )
			bSuccess = true;
		else if ( pAnimating && bInBBox )
		{
			matrix3x4_t	*hitboxbones[MAXSTUDIOBONES];
			if ( pAnimating->HitboxToWorldTransforms( hitboxbones ) )
			{

				studiohdr_t *pStudioHdr = modelinfo->GetStudiomodel( pAnimating->GetModel() );

				if ( pStudioHdr )
				{
					mstudiohitboxset_t *set = pStudioHdr->pHitboxSet( pAnimating->GetHitboxSet() );

					if ( set )
					{
						// do a point in solid test
						Ray_t ray;
						trace_t tr;
						ray.Init( vecPos, vecPos );
						enginetrace->ClipRayToEntity( ray, MASK_ALL, pMoveParent, &tr );
						if ( tr.startsolid )
							bSuccess = true;
					}
				}
			}
		}
		else if ( pMoveParent->IsBrushModel() && bInBBox )
		{
			// do a point in solid test
			Ray_t ray;
			trace_t tr;
			ray.Init( vecPos, vecPos );
			enginetrace->ClipRayToEntity( ray, MASK_ALL, pMoveParent, &tr );
			if ( tr.startsolid )
				bSuccess = true;
		}

		s_BoneMutex.Unlock();
	}
#endif
	return bSuccess;
}

int CParticleSystemQuery::GetControllingObjectHitBoxInfo(
	CParticleCollection *pParticles,
	int nControlPointNumber,
	int nBufSize,										// # of output slots available
	ModelHitBoxInfo_t *pHitBoxOutputBuffer )
{
	int nRet = 0;

#ifndef GAME_DLL
	s_BoneMutex.Lock();

	EHANDLE *phMoveParent = reinterpret_cast<EHANDLE *> ( pParticles->m_ControlPoints[nControlPointNumber].m_pObject );
	CBaseEntity *pMoveParent = NULL;
	if ( phMoveParent )
	{
		pMoveParent = *( phMoveParent );
	}

	if ( pMoveParent )
	{
		C_BaseAnimating *pAnimating = pMoveParent->GetBaseAnimating();
		if ( pAnimating )
		{
			matrix3x4_t	*hitboxbones[MAXSTUDIOBONES];
			
			if ( pAnimating->HitboxToWorldTransforms( hitboxbones ) )
			{
		
				studiohdr_t *pStudioHdr = modelinfo->GetStudiomodel( pAnimating->GetModel() );
				
				if ( pStudioHdr )
				{
					mstudiohitboxset_t *set = pStudioHdr->pHitboxSet( pAnimating->GetHitboxSet() );
					
					if ( set )
					{
						nRet = min( nBufSize, set->numhitboxes );
						for( int i=0 ; i < nRet; i++ )
						{
							mstudiobbox_t *pBox = set->pHitbox( i );
							pHitBoxOutputBuffer[i].m_vecBoxMins.x = pBox->bbmin.x;
							pHitBoxOutputBuffer[i].m_vecBoxMins.y = pBox->bbmin.y;
							pHitBoxOutputBuffer[i].m_vecBoxMins.z = pBox->bbmin.z;

							pHitBoxOutputBuffer[i].m_vecBoxMaxes.x = pBox->bbmax.x;
							pHitBoxOutputBuffer[i].m_vecBoxMaxes.y = pBox->bbmax.y;
							pHitBoxOutputBuffer[i].m_vecBoxMaxes.z = pBox->bbmax.z;

							pHitBoxOutputBuffer[i].m_Transform = *hitboxbones[pBox->bone];
						}
					}
				}
			}
		}
		if ( pMoveParent->IsBrushModel() )
		{
			Vector vecMin;
			Vector vecMax;
			matrix3x4_t matOrientation;
			pMoveParent->GetRenderBounds( vecMin, vecMax  );
			matOrientation = pMoveParent->EntityToWorldTransform();
			pHitBoxOutputBuffer[0].m_vecBoxMins = vecMin;
			pHitBoxOutputBuffer[0].m_vecBoxMaxes = vecMax;
			pHitBoxOutputBuffer[0].m_Transform = matOrientation;
			nRet = 1;
		}
	}
	s_BoneMutex.Unlock();
#endif
	return nRet;
}

//.........这里部分代码省略.........
									enginetrace->ClipRayToEntity( ray, MASK_ALL, pMoveParent, &tr );
									if ( tr.startsolid )
										flPointGoodness += 1000.; // got a point inside!
								}
								if ( flPointGoodness > flBestPointGoodness )
								{
									u = flTryU;
									v = flTryV;
									w = flTryW;
									vecWorldPosition = vecTryWorldPosition;
									nHitbox = nTryHitbox;
									flBestPointGoodness = flPointGoodness;
								}
							} while ( nTryCnt-- );
							*( pPntsOut++ ) = vecWorldPosition;
							if ( pHitBoxRelativeCoordOut )
								( pHitBoxRelativeCoordOut++ )->Init( u, v, w );
							if ( pHitBoxIndexOut )
								*( pHitBoxIndexOut++ ) = nHitbox;
						}
					}
				}
			}
		}

		if ( pMoveParent->IsBrushModel() )
		{
			Vector vecMin;
			Vector vecMax;
			matrix3x4_t matOrientation;
			Vector VecOrigin;
			pMoveParent->GetRenderBounds( vecMin, vecMax  );
			VecOrigin = pMoveParent->GetRenderOrigin();
			matOrientation = pMoveParent->EntityToWorldTransform();

			

			Vector vecWorldPosition;
			float u = 0, v = 0, w = 0;
			int nHitbox = 0;
			int nNumIters = nNumTrysToGetAPointInsideTheModel;
			if (! vecDirectionalBias.IsZero( 0.0001 ) )
				nNumIters = max( nNumIters, 5 );

			for( int i=0 ; i < nNumPtsOut; i++)
			{
				int nTryCnt = nNumIters;
				float flBestPointGoodness = -1.0e20;
				do
				{
					float flTryU = pParticles->RandomFloat( flRandMin, flRandMax );
					float flTryV = pParticles->RandomFloat( flRandMin, flRandMax );
					float flTryW = pParticles->RandomFloat( flRandMin, flRandMax );

					Vector vecLocalPosition;
					vecLocalPosition.x = GetSurfaceCoord( flTryU, vecMin.x, vecMax.x );
					vecLocalPosition.y = GetSurfaceCoord( flTryV, vecMin.y, vecMax.y );
					vecLocalPosition.z = GetSurfaceCoord( flTryW, vecMin.z, vecMax.z );

					Vector vecTryWorldPosition;
					VectorTransform( vecLocalPosition, matOrientation, vecTryWorldPosition );

					float flPointGoodness = pParticles->RandomFloat( 0, 72 )
						+ DotProduct( vecTryWorldPosition - vecBasePos, 
						vecDirectionalBias );

int CParticleSystemQuery::GetControllingObjectHitBoxInfo(
	CParticleCollection *pParticles,
	int nControlPointNumber,
	int nBufSize,										// # of output slots available
	ModelHitBoxInfo_t *pHitBoxOutputBuffer )
{
	int nRet = 0;

#ifndef GAME_DLL
	s_BoneMutex.Lock();

	EHANDLE *phMoveParent = reinterpret_cast<EHANDLE *> ( pParticles->ControlPoint( nControlPointNumber ).m_pObject );
	CBaseEntity *pMoveParent = NULL;
	if ( phMoveParent )
	{
		pMoveParent = *( phMoveParent );
	}

	if ( pMoveParent )
	{
		C_BaseAnimating *pAnimating = pMoveParent->GetBaseAnimating();
		if ( pAnimating )
		{
			matrix3x4_t	*hitboxbones[MAXSTUDIOBONES];
			
			if ( pAnimating->HitboxToWorldTransforms( hitboxbones ) )
			{
		
				studiohdr_t *pStudioHdr = modelinfo->GetStudiomodel( pAnimating->GetModel() );
				
				if ( pStudioHdr )
				{
					// Try to get the "effects" set first, otherwise use their current set
					int nEffectsHitboxSet = FindHitboxSetByName( pAnimating->GetModelPtr(), "effects" );
					mstudiohitboxset_t *set = pStudioHdr->pHitboxSet( nEffectsHitboxSet != -1 ? nEffectsHitboxSet : pAnimating->GetHitboxSet() );
					
					if ( set )
					{
						for( int i=0 ; i < set->numhitboxes; i++ )
						{
							mstudiobbox_t *pBox = set->pHitbox( i );

							// E3 HACK - check for hitboxes at the origin and ignore those
							if ( fabs( (*hitboxbones[pBox->bone])[0][3] ) < POINT_AT_ORIGIN_EPSILON && fabs( (*hitboxbones[pBox->bone])[1][3] ) < POINT_AT_ORIGIN_EPSILON && fabs( (*hitboxbones[pBox->bone])[2][3] ) < POINT_AT_ORIGIN_EPSILON )
							{
								continue;
							}

							pHitBoxOutputBuffer[nRet].m_vecBoxMins.x = pBox->bbmin.x;
							pHitBoxOutputBuffer[nRet].m_vecBoxMins.y = pBox->bbmin.y;
							pHitBoxOutputBuffer[nRet].m_vecBoxMins.z = pBox->bbmin.z;

							pHitBoxOutputBuffer[nRet].m_vecBoxMaxes.x = pBox->bbmax.x;
							pHitBoxOutputBuffer[nRet].m_vecBoxMaxes.y = pBox->bbmax.y;
							pHitBoxOutputBuffer[nRet].m_vecBoxMaxes.z = pBox->bbmax.z;

							pHitBoxOutputBuffer[nRet].m_Transform = *hitboxbones[pBox->bone];

							nRet++;

							if ( nRet >= nBufSize )
							{
								break;
							}
						}
					}
				}
			}
		}
		if ( pMoveParent->IsBrushModel() )
		{
			Vector vecMin;
			Vector vecMax;
			matrix3x4_t matOrientation;
			pMoveParent->GetRenderBounds( vecMin, vecMax  );
			matOrientation = pMoveParent->EntityToWorldTransform();
			pHitBoxOutputBuffer[0].m_vecBoxMins = vecMin;
			pHitBoxOutputBuffer[0].m_vecBoxMaxes = vecMax;
			pHitBoxOutputBuffer[0].m_Transform = matOrientation;
			nRet = 1;
		}
	}
	s_BoneMutex.Unlock();
#endif
	return nRet;
}