refactor: X3dPart 的懒加载标志改名 m_bNeedCreate 并加 mutable

与 AcDbX3dSolid::m_bNeedCreate 对齐：同一个语义（派生几何缓存失效，
首次使用时再算），用同一个名字，避免 m_bDirty 被理解成"参数没写完"。
声明为 mutable，与 AcDbX3dSolid 一致；清标志仍在 Rebuild() 里做。

SourceCode/Code2026/CoreLibrary/AecDbX3dPart.cpp

@@ -48,7 +48,7 @@ AecDbX3dPart::AecDbX3dPart(void)
 	m_nBoolOper = 0;
 	m_pSolidDraw = NULL;
 	m_pSolid = NULL;
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_sName = _T("");
 	m_sGUID = IDCreate();
 	m_bActive = false;
@@ -61,7 +61,7 @@ AecDbX3dPart::AecDbX3dPart(const AecDbX3dPart& pPart)
 {
 	m_pSolidDraw = NULL;
 	m_pSolid = NULL;
-	m_bDirty = true;
+	m_bNeedCreate = true;
 
 	m_sName = pPart.m_sName;
 	m_sGUID = pPart.m_sGUID;
@@ -152,7 +152,7 @@ void AecDbX3dPart::ReCreateGUID()
 
 void AecDbX3dPart::AddX3dSolid(AcDbX3dSolid* pXSolid,AcDb::BoolOperType bType  /*AcDb::kBoolUnite*/,bool bForHouseSub /*= false*/)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	if (bType == AcDb::kBoolUnite)
 	{
 		m_arX3DSolidPtrsUnite.append(pXSolid);
@@ -172,7 +172,7 @@ void AecDbX3dPart::AddX3dSolid(AcDbX3dSolid* pXSolid,AcDb::BoolOperType bType  /
 
 void AecDbX3dPart::SetOrgPoint(const AcGePoint3d& ptOrg)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_ptOrg = ptOrg;
 }
 
@@ -471,7 +471,7 @@ bool AecDbX3dPart::GetActiveInf(CPoint& ptRC) const
 
 void AecDbX3dPart::RemoveAll3dSolidRec()
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	AcDbX3dSolid* pXSolid = NULL;
 	for (int i = 0;i < m_arX3DSolidPtrsUnite.length();i++)
 	{
@@ -508,7 +508,7 @@ void AecDbX3dPart::RemoveAll3dSolidRec()
 
 void AecDbX3dPart::RemoveAt(int nIndex,AcDb::BoolOperType bType/* = AcDb::kBoolUnite*/,bool bForHouseSub/* = false*/)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	AcDbX3dSolid* pXSolid = NULL;
 	if (bForHouseSub)
 	{
@@ -587,7 +587,7 @@ AcDbX3dSolid* AecDbX3dPart::GetX3dSolid(int nIndex,AcDb::BoolOperType bType/* =
 
 bool AecDbX3dPart::SetAxis(int nIndex,const AcGeVector3d& vtAxis)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	if (nIndex >= 0 && nIndex < MAX_AXISROTATS)
 	{
 		m_arVtAxis.setAt(nIndex,vtAxis);
@@ -614,7 +614,7 @@ void AecDbX3dPart::SetHideShow( )
 
 void AecDbX3dPart::SetHide(bool bHide)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_mapXData.SetAt(_T("Hide"),bHide ? 1 : 0);
 }
 
@@ -630,7 +630,7 @@ bool AecDbX3dPart::IsHide() const
 
 void AecDbX3dPart::PeelOffTheSkin(int nPos)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_nPeelOff = nPos;
 
 	if (m_pSolidDraw != NULL)
@@ -647,13 +647,13 @@ bool AecDbX3dPart::IsPeelOffTheSkin() const
 
 void AecDbX3dPart::SetActive(bool bActive)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_bActive = bActive;
 }
 
 void AecDbX3dPart::AddMove(const AcGeVector3d& vtMove)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_vtMove += vtMove;
 
 	if (m_pSolidDraw != NULL)
@@ -665,7 +665,7 @@ void AecDbX3dPart::AddMove(const AcGeVector3d& vtMove)
 
 void AecDbX3dPart::AddMove(const AcGeMatrix3d& xMirror)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_vtMove += xMirror.translation();
 
 	if (m_pSolidDraw != NULL)
@@ -682,7 +682,7 @@ AcGeVector3d AecDbX3dPart::GetMove() const
 
 void AecDbX3dPart::ResetMove()
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_vtMove = AcGeVector3d::kIdentity;
 
 	if (m_pSolidDraw != NULL)
@@ -694,7 +694,7 @@ void AecDbX3dPart::ResetMove()
 
 void AecDbX3dPart::AddRotate(int nAxisIndex,double dRot)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	if (nAxisIndex >= 0 && nAxisIndex <= MAX_AXISROTATS )
 	{
 		m_dAxisRotats[nAxisIndex] += dRot;
@@ -718,7 +718,7 @@ double AecDbX3dPart::GetRotate(int nAxisIndex) const
 
 void AecDbX3dPart::ResetRotate(int nAxisIndex)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	if (nAxisIndex >= 0 && nAxisIndex < MAX_AXISROTATS)
 	{
 		m_dAxisRotats[nAxisIndex] = 0.0;
@@ -780,7 +780,7 @@ void AecDbX3dPart::Transformby(AcGeVector3d& vt) const
 
 void AecDbX3dPart::SetBoolOperFor(int nOper)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	m_nBoolOper = nOper;
 }
 
@@ -809,7 +809,7 @@ bool AecDbX3dPart::Create()
 bool AecDbX3dPart::Rebuild()
 {
 	//先清标志再重建，避免构建过程中再次触发 EnsureCreated 造成递归
-	m_bDirty = false;
+	m_bNeedCreate = false;
 
 	if (m_pSolid != NULL)
 		DELETE_PTR(m_pSolid);
@@ -928,7 +928,7 @@ bool AecDbX3dPart::Rebuild()
 
 bool AecDbX3dPart::EnsureCreated() const
 {
-	if (!m_bDirty && m_pSolid != NULL)
+	if (!m_bNeedCreate && m_pSolid != NULL)
 		return true;
 
 	return const_cast<AecDbX3dPart*>(this)->Rebuild();
@@ -1230,7 +1230,7 @@ Acad::ErrorStatus AecDbX3dPart::dwgInFields (AcDbDwgFiler* pFiler)
 	pFiler->readBytes(m_dAxisRotats,sizeof(double) * MAX_AXISROTATS);
 	m_mapXData.dwgInFields(pFiler);
 
-	m_bDirty = true;	//开图时不建几何，首次绘制或取几何时再重建
+	m_bNeedCreate = true;	//开图时不建几何，首次绘制或取几何时再重建
 	return Acad::eOk;
 }
 
@@ -1297,7 +1297,7 @@ Acad::ErrorStatus AecDbX3dPart::dwgOutFields(AcDbDwgFiler* pFiler) const
 
 Acad::ErrorStatus AecDbX3dPart::CopyFrom(AecDbX3dPart* pSrcPart)
 {
-	m_bDirty = true;
+	m_bNeedCreate = true;
 	if (pSrcPart == NULL)
 		return Acad::eInvalidInput;
 

SourceCode/Code2026/inc/AecDbX3dPart.h

@@ -141,7 +141,7 @@ protected:
 	bool					m_bActive;		//活动状态
 	int						m_nPeelOff;		//是否需要剖开
 	AcDb3dSolid*			m_pSolid;		//原始solid元
-	bool                                    m_bDirty;       //参数已变更，几何待重建
+	mutable bool                            m_bNeedCreate;  //几何待重建，首次使用时再算
 	mutable AcDb3dSolid*	m_pSolidDraw;	//临时绘制solid元
 	mutable SHJson::WValue	m_json;
 };