C++ CBaseEntity::GetMoveParent方法代码示例

void CStructure::PostSetLocalTransform(const TMatrix& m)
{
	BaseClass::PostSetLocalTransform(m);

	CPlanet* pPlanet = GameData().GetPlanet();
	if (!pPlanet)
		return;

	if (!pPlanet->GetChunkManager()->HasGroupCenter())
		return;

	TMatrix mLocalTransform = m;

	CBaseEntity* pMoveParent = GetMoveParent();
	if (pMoveParent)
	{
		while (pMoveParent != pPlanet)
		{
			mLocalTransform = pMoveParent->GetLocalTransform() * mLocalTransform;
			pMoveParent = pMoveParent->GetMoveParent();
		}
	}
	else
		mLocalTransform = pPlanet->GetGlobalToLocalTransform() * m;

	GameData().SetGroupTransform(pPlanet->GetChunkManager()->GetPlanetToGroupCenterTransform() * mLocalTransform.GetMeters());
}

//------------------------------------------------------------------------------
// Purpose:
//------------------------------------------------------------------------------
void CPointTeleport::Activate( void )
{
	CBaseEntity *pTarget = GetNextTarget();
	if (pTarget)
	{
		if ( pTarget->GetMoveParent() != NULL )
		{
			Warning("ERROR: (%s) can't teleport object (%s) as it has a parent!\n",GetDebugName(),pTarget->GetDebugName());

			return;
		}
		if (m_spawnflags & SF_TELEPORT_TO_SPAWN_POS)
		{
			m_vSaveOrigin = pTarget->GetAbsOrigin();
			m_vSaveAngles = pTarget->GetAbsAngles();
		}
		else
		{
			m_vSaveOrigin = GetAbsOrigin();
			m_vSaveAngles = GetAbsAngles();
		}
	}
	else
	{
		Warning("ERROR: (%s) given no target.  Deleting.\n",GetDebugName());
		UTIL_Remove(this);
		return;
	}
	BaseClass::Activate();
}

void CStructure::SetPhysicsTransform(const Matrix4x4& m)
{
	CPlanet* pPlanet = GameData().GetPlanet();
	if (!pPlanet)
	{
		SetLocalTransform(TMatrix(m));
		return;
	}

	if (!pPlanet->GetChunkManager()->HasGroupCenter())
	{
		SetLocalTransform(TMatrix(m));
		return;
	}

	GameData().SetGroupTransform(m);

	TMatrix mLocalTransform(pPlanet->GetChunkManager()->GetGroupCenterToPlanetTransform() * m);

	CBaseEntity* pMoveParent = GetMoveParent();
	TAssert(pMoveParent);
	if (pMoveParent)
	{
		while (pMoveParent != pPlanet)
		{
			mLocalTransform = pMoveParent->GetLocalTransform().InvertedRT() * mLocalTransform;
			pMoveParent = pMoveParent->GetMoveParent();
		}
	}

	SetLocalTransform(mLocalTransform);
}

//------------------------------------------------------------------------------
// Purpose:
//------------------------------------------------------------------------------
void CPointTeleport::InputTeleport( inputdata_t &inputdata )
{
	CBaseEntity *pTarget = GetNextTarget();
	if (pTarget)
	{
		// If teleport object is in a movement hierarchy, remove it first
		if ( pTarget->GetMoveParent() != NULL )
		{
			Warning("ERROR: (%s) can't teleport object (%s) as it has a parent (%s)!\n",GetDebugName(),pTarget->GetDebugName(),pTarget->GetMoveParent()->GetDebugName());
			return;
		}

		pTarget->Teleport( &m_vSaveOrigin, &m_vSaveAngles, NULL );
	}
}

CBaseEntity *CBasePlayer::FindUseEntity()
{
	Vector forward, up;
	EyeVectors( &forward, NULL, &up );

	trace_t tr;
	// Search for objects in a sphere (tests for entities that are not solid, yet still useable)
	Vector searchCenter = EyePosition();

	// NOTE: Some debris objects are useable too, so hit those as well
	// A button, etc. can be made out of clip brushes, make sure it's +useable via a traceline, too.
	int useableContents = MASK_SOLID | CONTENTS_DEBRIS | CONTENTS_PLAYERCLIP;

#ifdef CSTRIKE_DLL
	useableContents = MASK_NPCSOLID_BRUSHONLY | MASK_OPAQUE_AND_NPCS;
#endif

#ifdef HL1_DLL
	useableContents = MASK_SOLID;
#endif
#ifndef CLIENT_DLL
	CBaseEntity *pFoundByTrace = NULL;
#endif

	// UNDONE: Might be faster to just fold this range into the sphere query
	CBaseEntity *pObject = NULL;

	float nearestDist = FLT_MAX;
	// try the hit entity if there is one, or the ground entity if there isn't.
	CBaseEntity *pNearest = NULL;

	const int NUM_TANGENTS = 8;
	// trace a box at successive angles down
	//							forward, 45 deg, 30 deg, 20 deg, 15 deg, 10 deg, -10, -15
	const float tangents[NUM_TANGENTS] = { 0, 1, 0.57735026919f, 0.3639702342f, 0.267949192431f, 0.1763269807f, -0.1763269807f, -0.267949192431f };
	for ( int i = 0; i < NUM_TANGENTS; i++ )
	{
		if ( i == 0 )
		{
			UTIL_TraceLine( searchCenter, searchCenter + forward * 1024, useableContents, this, COLLISION_GROUP_NONE, &tr );
		}
		else
		{
			Vector down = forward - tangents[i]*up;
			VectorNormalize(down);
			UTIL_TraceHull( searchCenter, searchCenter + down * 72, -Vector(16,16,16), Vector(16,16,16), useableContents, this, COLLISION_GROUP_NONE, &tr );
		}
		pObject = tr.m_pEnt;

#ifndef CLIENT_DLL
		pFoundByTrace = pObject;
#endif
		bool bUsable = IsUseableEntity(pObject, 0);
		while ( pObject && !bUsable && pObject->GetMoveParent() )
		{
			pObject = pObject->GetMoveParent();
			bUsable = IsUseableEntity(pObject, 0);
		}

		if ( bUsable )
		{
			Vector delta = tr.endpos - tr.startpos;
			float centerZ = CollisionProp()->WorldSpaceCenter().z;
			delta.z = IntervalDistance( tr.endpos.z, centerZ + CollisionProp()->OBBMins().z, centerZ + CollisionProp()->OBBMaxs().z );
			float dist = delta.Length();
			if ( dist < PLAYER_USE_RADIUS )
			{
#ifndef CLIENT_DLL

				if ( sv_debug_player_use.GetBool() )
				{
					NDebugOverlay::Line( searchCenter, tr.endpos, 0, 255, 0, true, 30 );
					NDebugOverlay::Cross3D( tr.endpos, 16, 0, 255, 0, true, 30 );
				}

				if ( pObject->MyNPCPointer() && pObject->MyNPCPointer()->IsPlayerAlly( this ) )
				{
					// If about to select an NPC, do a more thorough check to ensure
					// that we're selecting the right one from a group.
					pObject = DoubleCheckUseNPC( pObject, searchCenter, forward );
				}
#endif
				if ( sv_debug_player_use.GetBool() )
				{
					Msg( "Trace using: %s\n", pObject ? pObject->GetDebugName() : "no usable entity found" );
				}

				pNearest = pObject;
				
				// if this is directly under the cursor just return it now
				if ( i == 0 )
					return pObject;
			}
		}
	}

	// check ground entity first
	// if you've got a useable ground entity, then shrink the cone of this search to 45 degrees
	// otherwise, search out in a 90 degree cone (hemisphere)
	if ( GetGroundEntity() && IsUseableEntity(GetGroundEntity(), FCAP_USE_ONGROUND) )
//.........这里部分代码省略.........

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void CPointTeleport::Activate( void )
{
	// Start with our origin point
	m_vSaveOrigin = GetAbsOrigin();
	m_vSaveAngles = GetAbsAngles();

	// Save off the spawn position of the target if instructed to do so
	if ( m_spawnflags & SF_TELEPORT_TO_SPAWN_POS )
	{
		CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, m_target );
		if ( pTarget )
		{
			// If teleport object is in a movement hierarchy, remove it first
			if ( EntityMayTeleport( pTarget ) )
			{
				// Save the points
				m_vSaveOrigin = pTarget->GetAbsOrigin();
				m_vSaveAngles = pTarget->GetAbsAngles();
			}
			else
			{
				Warning("ERROR: (%s) can't teleport object (%s) as it has a parent (%s)!\n",GetDebugName(),pTarget->GetDebugName(),pTarget->GetMoveParent()->GetDebugName());
				BaseClass::Activate();
				return;
			}
		}
		else
		{
			Warning("ERROR: (%s) target '%s' not found. Deleting.\n", GetDebugName(), STRING(m_target));
			UTIL_Remove( this );
			return;
		}
	}

	BaseClass::Activate();
}

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void CPointTeleport::DoTeleport( inputdata_t &inputdata, const Vector &vecOrigin, const QAngle &angRotation, bool bOverrideTarget )
{
	// Attempt to find the entity in question
	CBaseEntity *pTarget;
	if( bOverrideTarget )
	{
		// Use the inputdata to find the entity that the designer supplied in the parameter override 
		pTarget = gEntList.FindEntityByName( NULL, inputdata.value.String(), this, inputdata.pActivator, inputdata.pCaller );
	}
	else
	{
		// Default behavior: Just find the entity that I am hardwired in Hammer to teleport.
		pTarget = gEntList.FindEntityByName( NULL, m_target, this, inputdata.pActivator, inputdata.pCaller );
	}

	if ( pTarget == NULL )
		return;

	// If teleport object is in a movement hierarchy, remove it first
	if ( EntityMayTeleport( pTarget ) == false )
	{
		Warning("ERROR: (%s) can't teleport object (%s) as it has a parent (%s)!\n",GetDebugName(),pTarget->GetDebugName(),pTarget->GetMoveParent()->GetDebugName());
		return;
	}

	// in episodic, we have a special spawn flag that forces Gordon into a duck
#ifdef HL2_EPISODIC
	if ( (m_spawnflags & SF_TELEPORT_INTO_DUCK) && pTarget->IsPlayer() ) 
	{
		CBasePlayer *pPlayer = ToBasePlayer( pTarget );
		if ( pPlayer != NULL )
		{
			pPlayer->m_nButtons |= IN_DUCK;
			pPlayer->AddFlag( FL_DUCKING );
			pPlayer->m_Local.m_bDucked = true;
			pPlayer->m_Local.m_bDucking = true;
			pPlayer->m_Local.m_nDuckTimeMsecs = 0;
			pPlayer->SetViewOffset( VEC_DUCK_VIEW );
			pPlayer->SetCollisionBounds( VEC_DUCK_HULL_MIN, VEC_DUCK_HULL_MAX );
		}
	}		
#endif

	pTarget->Teleport( &vecOrigin, &angRotation, NULL );
}

//------------------------------------------------------------------------------
// Purpose:
//------------------------------------------------------------------------------
void CPointTeleport::InputTeleport( inputdata_t &inputdata )
{
	// Attempt to find the entity in question
	CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, m_target, this, inputdata.pActivator, inputdata.pCaller );
	if ( pTarget == NULL )
		return;

	// If teleport object is in a movement hierarchy, remove it first
	if ( EntityMayTeleport( pTarget ) == false )
	{
		Warning("ERROR: (%s) can't teleport object (%s) as it has a parent (%s)!\n",GetDebugName(),pTarget->GetDebugName(),pTarget->GetMoveParent()->GetDebugName());
		return;
	}
	pTarget->Teleport( &m_vSaveOrigin, &m_vSaveAngles, NULL );
}