fix issues

- fix usage error of ckid getter in bmap wrapper.
- fix CKObject flag init value error.
- fix CKFileWriter writing empty object name error.
- regulate some statement.

LibCmo/CK2/CKFileReader.cpp

@@ -131,7 +131,7 @@ namespace LibCmo::CK2 {
 					parser->Read(name_conv.data(), namelen);
 					m_Ctx->GetUtf8String(name_conv, fileobj.Name);
 				} else {
-					fileobj.Name.clear();
+					XContainer::NSXString::FromCKSTRING(fileobj.Name, nullptr);
 				}
 			}
 		}

LibCmo/CK2/CKFileWriter.cpp

@@ -175,10 +175,15 @@ namespace LibCmo::CK2 {
 			hdrparser->Write(&obj.FileIndex);
 
 			if (XContainer::NSXString::ToCKSTRING(obj.Name) != nullptr) {
+				// if have name, write it
 				m_Ctx->GetNativeString(obj.Name, name_conv);
 				CKDWORD namelen = static_cast<CKDWORD>(name_conv.size());
 				hdrparser->Write(&namelen);
 				hdrparser->Write(name_conv.data(), namelen);
+			} else {
+				// otherwise, write 0 to indicate no name
+				CKDWORD namelen = 0;
+				hdrparser->Write(&namelen);
 			}
 		}
 

LibCmo/CK2/ObjImpls/CKObject.cpp

@@ -7,7 +7,7 @@ namespace LibCmo::CK2::ObjImpls {
 		m_ID(ckid),
 		m_Name(),
 		m_Context(ctx),
-		m_ObjectFlags(CK_OBJECT_FLAGS::CK_PARAMETERIN_DISABLED) {
+		m_ObjectFlags(CK_OBJECT_FLAGS::CK_OBJECT_VISIBLE) {
 		// set name with possible nullptr.
 		XContainer::NSXString::FromCKSTRING(m_Name, name);
 	}