Make hsRefCnt atomic, and merge with hsAtomicRefCnt

Sources/Plasma/CoreLib/hsRefCnt.cpp

@@ -67,7 +67,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 struct _RefCountLeakCheck
 {
-    std::unordered_set<_hsRefCnt_Base *> m_refs;
+    std::unordered_set<hsRefCnt *> m_refs;
     unsigned m_added, m_removed;
     std::mutex m_mutex;
 
@@ -81,7 +81,7 @@ struct _RefCountLeakCheck
             return;
 
         _LeakDebug(plFormat("    {} objects leaked...\n", m_refs.size()).c_str());
-        for (_hsRefCnt_Base *ref : m_refs) {
+        for (hsRefCnt *ref : m_refs) {
             _LeakDebug(plFormat("    0x{_08x} {}: {} refs remain\n",
                        (uintptr_t)ref, typeid(*ref).name(), ref->RefCnt()).c_str());
         }
@@ -93,7 +93,7 @@ struct _RefCountLeakCheck
         return &s_instance;
     }
 
-    static void add(_hsRefCnt_Base *ref)
+    static void add(hsRefCnt *ref)
     {
         _RefCountLeakCheck *this_p = _instance();
         std::lock_guard<std::mutex> lock(this_p->m_mutex);
@@ -101,7 +101,7 @@ struct _RefCountLeakCheck
         this_p->m_refs.insert(ref);
     }
 
-    static void del(_hsRefCnt_Base *ref)
+    static void del(hsRefCnt *ref)
     {
         _RefCountLeakCheck *this_p = _instance();
         std::lock_guard<std::mutex> lock(this_p->m_mutex);
@@ -111,47 +111,26 @@ struct _RefCountLeakCheck
 };
 #endif
 
-_hsRefCnt_Base::_hsRefCnt_Base(int)
+hsRefCnt::hsRefCnt(int initRefs)
+    : fRefCnt(initRefs)
 {
 #if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL)
     _RefCountLeakCheck::add(this);
 #endif
 }
 
-_hsRefCnt_Base::~_hsRefCnt_Base()
-{
-#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL)
-    _RefCountLeakCheck::del(this);
-#endif
-}
-
 hsRefCnt::~hsRefCnt()
 {
 #ifdef HS_DEBUGGING
     hsThrowIfFalse(fRefCnt == 1);
 #endif
-}
-
-void hsRefCnt::UnRef()
-{
-#ifdef HS_DEBUGGING
-    hsThrowIfFalse(fRefCnt >= 1);
-#endif
 
-    if (fRefCnt == 1)   // don't decrement if we call delete
-        delete this;
-    else
-        --fRefCnt;
-}
-
-hsAtomicRefCnt::~hsAtomicRefCnt()
-{
-#ifdef HS_DEBUGGING
-    hsThrowIfFalse(fRefCnt == 1);
+#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL)
+    _RefCountLeakCheck::del(this);
 #endif
 }
 
-void hsAtomicRefCnt::UnRef(const char* tag)
+void hsRefCnt::UnRef(const char* tag)
 {
 #ifdef HS_DEBUGGING
     hsThrowIfFalse(fRefCnt >= 1);
@@ -170,7 +149,7 @@ void hsAtomicRefCnt::UnRef(const char* tag)
         --fRefCnt;
 }
 
-void hsAtomicRefCnt::Ref(const char* tag)
+void hsRefCnt::Ref(const char* tag)
 {
 #if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_REFS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL)
     if (tag)
@@ -182,7 +161,7 @@ void hsAtomicRefCnt::Ref(const char* tag)
     ++fRefCnt;
 }
 
-void hsAtomicRefCnt::TransferRef(const char* oldTag, const char* newTag)
+void hsRefCnt::TransferRef(const char* oldTag, const char* newTag)
 {
 #if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_REFS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL)
     DEBUG_MSG("Inc %p %s: (xfer)", this, newTag);

Sources/Plasma/CoreLib/hsRefCnt.h

@@ -44,59 +44,40 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 #include <atomic>
 
-// For easier debugging
-class _hsRefCnt_Base
-{
-public:
-    _hsRefCnt_Base(int initRefs = 1);
-    virtual ~_hsRefCnt_Base();
-
-    virtual int RefCnt() const = 0;
-};
-
-class hsRefCnt : public _hsRefCnt_Base {
+class hsRefCnt {
 private:
-    int         fRefCnt;
+    std::atomic<int> fRefCnt;
 
 public:
-                hsRefCnt(int initRefs = 1) : fRefCnt(initRefs) { }
+                hsRefCnt(int initRefs = 1);
     virtual     ~hsRefCnt();
 
     inline int  RefCnt() const { return fRefCnt; }
-    void        UnRef();
-    inline void Ref() { ++fRefCnt; }
+    void        UnRef(const char* tag = nullptr);
+    void        Ref(const char* tag = nullptr);
+
+    // Useless, but left here for debugging compatibility with AtomicRef
+    void        TransferRef(const char* oldTag, const char* newTag);
+
+
+    // The stored reference count of an hsRefCnt-derived object should never
+    // be copied! Therefore, if you want a copyable hsRefCnt-based class, you
+    // should implement your own copy constructor / assignment operator.
+    hsRefCnt(const hsRefCnt &) = delete;
+    hsRefCnt &operator=(const hsRefCnt &) = delete;
 };
 
-#define hsRefCnt_SafeRef(obj)       do { if (obj) (obj)->Ref(); } while (0)
+#define hsRefCnt_SafeRef(obj)   do { if (obj) (obj)->Ref(); } while (0)
 #define hsRefCnt_SafeUnRef(obj) do { if (obj) (obj)->UnRef(); } while (0)
 
-#define hsRefCnt_SafeAssign(dst, src)       \
+#define hsRefCnt_SafeAssign(dst, src)   \
         do {                            \
             hsRefCnt_SafeRef(src);      \
-            hsRefCnt_SafeUnRef(dst);        \
+            hsRefCnt_SafeUnRef(dst);    \
             dst = src;                  \
         } while (0)
 
 
-// Thread-safe version.  TODO:  Evaluate whether this is fast enough to
-// merge with hsRefCnt above.
-class hsAtomicRefCnt : public _hsRefCnt_Base
-{
-private:
-    std::atomic<int> fRefCnt;
-
-public:
-                 hsAtomicRefCnt(int initRefs = 1) : fRefCnt(initRefs) { }
-    virtual     ~hsAtomicRefCnt();
-
-    inline int  RefCnt() const { return fRefCnt; }
-    void        UnRef(const char* tag = nullptr);
-    void        Ref(const char* tag = nullptr);
-
-    // Useless, but left here for debugging compatibility with AtomicRef
-    void        TransferRef(const char* oldTag, const char* newTag);
-};
-
 template <class _Ref>
 class hsRef
 {

Sources/Plasma/FeatureLib/pfPython/pyAgeInfoStructGlue.cpp

@@ -435,7 +435,7 @@ PLASMA_DEFAULT_TYPE(ptAgeInfoStructRef, "Class to hold AgeInfo struct data");
 PyObject *pyAgeInfoStructRef::New(plAgeInfoStruct &info)
 {
     ptAgeInfoStructRef *newObj = (ptAgeInfoStructRef*)ptAgeInfoStructRef_type.tp_new(&ptAgeInfoStructRef_type, NULL, NULL);
-    newObj->fThis->fAgeInfo = info;
+    newObj->fThis->fAgeInfo.CopyFrom(&info);
     return (PyObject*)newObj;
 }
 

Sources/Plasma/FeatureLib/pfPython/pyAgeLinkStructGlue.cpp

@@ -366,7 +366,7 @@ PLASMA_DEFAULT_TYPE(ptAgeLinkStructRef, "Class to hold the data of the AgeLink s
 PyObject *pyAgeLinkStructRef::New(plAgeLinkStruct &link)
 {
     ptAgeLinkStructRef *newObj = (ptAgeLinkStructRef*)ptAgeLinkStructRef_type.tp_new(&ptAgeLinkStructRef_type, NULL, NULL);
-    newObj->fThis->fAgeLink = link;
+    newObj->fThis->fAgeLink.CopyFrom(&link);
     return (PyObject*)newObj;
 }
 

Sources/Plasma/FeatureLib/pfPython/pyNetServerSessionInfo.h

@@ -62,7 +62,7 @@ private:
 
 protected:
     pyNetServerSessionInfo() {}
-    pyNetServerSessionInfo( const plNetServerSessionInfo & info ): fInfo( info ) {}
+    pyNetServerSessionInfo(const plNetServerSessionInfo & info) { fInfo.CopyFrom(&info); }
 
 public:
     // required functions for PyObject interoperability

Sources/Plasma/FeatureLib/pfPython/pyNetServerSessionInfoGlue.cpp

@@ -193,7 +193,7 @@ PYTHON_CLASS_NEW_IMPL(ptNetServerSessionInfo, pyNetServerSessionInfo)
 PyObject *pyNetServerSessionInfo::New(const plNetServerSessionInfo &info)
 {
     ptNetServerSessionInfo *newObj = (ptNetServerSessionInfo*)ptNetServerSessionInfo_type.tp_new(&ptNetServerSessionInfo_type, NULL, NULL);
-    newObj->fThis->fInfo = info;
+    newObj->fThis->fInfo.CopyFrom(&info);
     return (PyObject*)newObj;
 }
 
@@ -354,7 +354,7 @@ PLASMA_DEFAULT_TYPE(ptNetServerSessionInfoRef, "Basic server session info class"
 PyObject *pyNetServerSessionInfoRef::New(plNetServerSessionInfo &info)
 {
     ptNetServerSessionInfoRef *newObj = (ptNetServerSessionInfoRef*)ptNetServerSessionInfoRef_type.tp_new(&ptNetServerSessionInfoRef_type, NULL, NULL);
-    newObj->fThis->fInfo = info;
+    newObj->fThis->fInfo.CopyFrom(&info);
     return (PyObject*)newObj;
 }
 

Sources/Plasma/FeatureLib/pfPython/pyVaultPlayerInfoListNode.cpp

@@ -115,7 +115,7 @@ void pyVaultPlayerInfoListNode::AddPlayer( uint32_t playerID )
     if (nodeIds.Count())
         VaultAddChildNode(fNode->GetNodeId(), nodeIds[0], VaultGetPlayerId(), nullptr, nullptr);
     else
-        VaultFindNodes(templateNode, IAddPlayer_NodesFound, fNode);
+        VaultFindNodes(templateNode, IAddPlayer_NodesFound, (NetVaultNode *)fNode);
 }
 
 void pyVaultPlayerInfoListNode::RemovePlayer( uint32_t playerID )

Sources/Plasma/NucleusLib/pnAsyncCoreExe/Private/Nt/pnAceNtInt.h

@@ -88,7 +88,7 @@ public:
     BOOL TryEnter () { return TryEnterCriticalSection(&m_handle); }
 };
 
-class CNtWaitHandle : public hsAtomicRefCnt {
+class CNtWaitHandle : public hsRefCnt {
     HANDLE  m_event;
 
 public:

Sources/Plasma/NucleusLib/pnAsyncCoreExe/Private/Win32/pnAceW32Thread.cpp

@@ -57,7 +57,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 *
 ***/
 
-struct AsyncThreadTaskList : hsAtomicRefCnt {
+struct AsyncThreadTaskList : hsRefCnt {
     ENetError error;
     AsyncThreadTaskList ();
     ~AsyncThreadTaskList ();
@@ -81,7 +81,7 @@ static HANDLE   s_taskPort;
 
 //===========================================================================
 AsyncThreadTaskList::AsyncThreadTaskList ()
-:   hsAtomicRefCnt(0), error(kNetSuccess)
+:   hsRefCnt(0), error(kNetSuccess)
 {
     PerfAddCounter(kAsyncPerfThreadTaskListCount, 1);
 }

Sources/Plasma/NucleusLib/pnNetCli/pnNcChannel.cpp

@@ -73,8 +73,8 @@ private:
     hsMutex     m_critsect;
 };
 
-struct NetMsgChannel : hsAtomicRefCnt {
-    NetMsgChannel() : hsAtomicRefCnt(0) { }
+struct NetMsgChannel : hsRefCnt {
+    NetMsgChannel() : hsRefCnt(0) { }
 
     uint32_t                m_protocol;
     bool                    m_server;

Sources/Plasma/NucleusLib/pnNetProtocol/Private/pnNpCommon.cpp

@@ -315,7 +315,7 @@ void NetVaultNode::DeallocNodeFields () {
 
 //============================================================================
 NetVaultNode::NetVaultNode ()
-    : hsAtomicRefCnt(0), fieldFlags(0), dirtyFlags(0)
+    : hsRefCnt(0), fieldFlags(0), dirtyFlags(0)
     , nodeId(0), createTime(0), modifyTime(0)
     , createAgeName(nil), creatorId(0)
     , nodeType(0)

Sources/Plasma/NucleusLib/pnNetProtocol/Private/pnNpCommon.h

@@ -157,7 +157,7 @@ struct NetGameRank {
 // NetVaultNode
 //============================================================================
 // Threaded apps: App is responsible for locking node->critsect before accessing *any* field in this struct
-struct NetVaultNode : hsAtomicRefCnt {
+struct NetVaultNode : hsRefCnt {
     enum RwOptions {
         kRwDirtyOnly    = 1<<0, // READ : No meaning
                                 // WRITE: Only write fields marked dirty

Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.cpp

@@ -132,6 +132,20 @@ bool plAgeInfoStruct::IsEqualTo( const plAgeInfoStruct * other ) const
     return match;
 }
 
+void plAgeInfoStruct::CopyFrom(const plAgeInfoStruct * other)
+{
+    hsAssert(other, "CopyFrom called with null struct");
+
+    fFlags = other->fFlags;
+    fAgeFilename = other->fAgeFilename;
+    fAgeInstanceName = other->fAgeInstanceName;
+    fAgeInstanceGuid = other->fAgeInstanceGuid;
+    fAgeUserDefinedName = other->fAgeUserDefinedName;
+    fAgeDescription = other->fAgeDescription;
+    fAgeSequenceNumber = other->fAgeSequenceNumber;
+    fAgeLanguage = other->fAgeLanguage;
+}
+
 void plAgeInfoStruct::CopyFrom( const plVaultAgeInfoNode * node )
 {
     hsAssert(false, "eric, port me");
@@ -441,7 +455,12 @@ void plAgeLinkStruct::CopyFrom( const plAgeLinkStruct * other )
 {
     if ( other )
     {
-        *this=*other;
+        fFlags = other->fFlags;
+        fAgeInfo.CopyFrom(&other->fAgeInfo);
+        fLinkingRules = other->fLinkingRules;
+        fSpawnPoint = other->fSpawnPoint;
+        fAmCCR = other->fAmCCR;
+        fParentAgeFilename = other->fParentAgeFilename;
     }
     else
     {

Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.h

@@ -112,7 +112,7 @@ public:
 
     void    Clear();
     void    UpdateFlags() const;
-    void    CopyFrom( const plAgeInfoStruct * other ) { *this=*other; }
+    void    CopyFrom( const plAgeInfoStruct * other );
     void    CopyFrom( const plVaultAgeInfoNode * node );
     void    CopyFrom(const struct NetAgeInfo & info);
     bool    IsEqualTo( const plAgeInfoStruct * other ) const;

Sources/Plasma/PubUtilLib/plNetGameLib/Intern.h

@@ -287,7 +287,7 @@ enum ENetTransState {
     kTransStateComplete,
 };
 
-struct NetTrans : hsAtomicRefCnt {
+struct NetTrans : hsRefCnt {
     LINK(NetTrans)  m_link;
     ENetTransState  m_state;
     ENetError       m_result;

Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglAuth.cpp

@@ -57,7 +57,7 @@ namespace Ngl { namespace Auth {
 *
 ***/
 
-struct CliAuConn : hsAtomicRefCnt {
+struct CliAuConn : hsRefCnt {
     CliAuConn ();
     ~CliAuConn ();
 
@@ -1588,7 +1588,7 @@ static unsigned CliAuConnPingTimerProc (void * param) {
 
 //============================================================================
 CliAuConn::CliAuConn ()
-    : hsAtomicRefCnt(0), reconnectTimer(nil), reconnectStartMs(0)
+    : hsRefCnt(0), reconnectTimer(nil), reconnectStartMs(0)
     , pingTimer(nil), pingSendTimeMs(0), lastHeardTimeMs(0)
     , sock(nil), cli(nil), seq(0), serverChallenge(0)
     , cancelId(nil), abandoned(false)

Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglFile.cpp

@@ -60,7 +60,7 @@ namespace Ngl { namespace File {
 *
 ***/
 
-struct CliFileConn : hsAtomicRefCnt {
+struct CliFileConn : hsRefCnt {
     LINK(CliFileConn)   link;
     hsReaderWriterLock  sockLock; // to protect the socket pointer so we don't nuke it while using it
     AsyncSocket         sock;
@@ -581,7 +581,7 @@ static void AsyncLookupCallback (
 
 //============================================================================
 CliFileConn::CliFileConn ()
-    : hsAtomicRefCnt(0), sock(nil), seq(0), cancelId(nil), abandoned(false)
+    : hsRefCnt(0), sock(nil), seq(0), cancelId(nil), abandoned(false)
     , buildId(0), serverType(0)
     , reconnectTimer(nil), reconnectStartMs(0), connectStartMs(0)
     , numImmediateDisconnects(0), numFailedConnects(0)

Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGame.cpp

@@ -55,7 +55,7 @@ namespace Ngl { namespace Game {
 *
 ***/
 
-struct CliGmConn : hsAtomicRefCnt {
+struct CliGmConn : hsRefCnt {
     LINK(CliGmConn) link;
 
     CCritSect       critsect;
@@ -415,7 +415,7 @@ static unsigned CliGmConnPingTimerProc (void * param) {
 
 //============================================================================
 CliGmConn::CliGmConn ()
-    : hsAtomicRefCnt(0), sock(nil), cancelId(nil), cli(nil)
+    : hsRefCnt(0), sock(nil), cancelId(nil), cli(nil)
     , seq(0), abandoned(false)
     , pingTimer(nil), pingSendTimeMs(0), lastHeardTimeMs(0)
 {

Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGateKeeper.cpp

@@ -56,7 +56,7 @@ namespace Ngl { namespace GateKeeper {
 *
 ***/
     
-struct CliGkConn : hsAtomicRefCnt {
+struct CliGkConn : hsRefCnt {
     CliGkConn ();
     ~CliGkConn ();
 
@@ -525,7 +525,7 @@ static unsigned CliGkConnPingTimerProc (void * param) {
 
 //============================================================================
 CliGkConn::CliGkConn ()
-    : hsAtomicRefCnt(0), reconnectTimer(nil), reconnectStartMs(0)
+    : hsRefCnt(0), reconnectTimer(nil), reconnectStartMs(0)
     , pingTimer(nil), pingSendTimeMs(0), lastHeardTimeMs(0)
     , sock(nil), cli(nil), seq(0), serverChallenge(0)
     , cancelId(nil), abandoned(false)

Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglTrans.cpp

@@ -117,7 +117,7 @@ static void CancelTrans_CS (NetTrans * trans, ENetError error) {
 
 //============================================================================
 NetTrans::NetTrans (ENetProtocol protocol, ETransType transType)
-:   hsAtomicRefCnt(0)
+:   hsRefCnt(0)
 ,   m_state(kTransStateWaitServerConnect)
 ,   m_result(kNetPending)
 ,   m_transId(0)

Sources/Plasma/PubUtilLib/plNetMessage/plNetCommonMessage.h

@@ -48,7 +48,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 //
 // refcntable data
 //
-class plNetCommonMessageData : public hsAtomicRefCnt
+class plNetCommonMessageData : public hsRefCnt
 {
 private:
     char *fData;            // sent

Sources/Plasma/PubUtilLib/plPipeline/plFogEnvironment.cpp

@@ -71,6 +71,16 @@ plFogEnvironment::~plFogEnvironment()
 {
 }
 
+plFogEnvironment &plFogEnvironment::operator=(const plFogEnvironment &copy)
+{
+    fType = copy.fType;
+    fStart = copy.fStart;
+    fEnd = copy.fEnd;
+    fDensity = copy.fDensity;
+    fColor = copy.fColor;
+    return *this;
+}
+
 //// Set /////////////////////////////////////////////////////////////////////
 
 void    plFogEnvironment::Set( float start, float end, float density, const hsColorRGBA *color )

Sources/Plasma/PubUtilLib/plPipeline/plFogEnvironment.h

@@ -85,6 +85,9 @@ class plFogEnvironment : public hsKeyedObject
         plFogEnvironment( FogType type, float end, float density, hsColorRGBA &color );
         ~plFogEnvironment();
 
+        plFogEnvironment(const plFogEnvironment &copy) { operator=(copy); }
+        plFogEnvironment &operator=(const plFogEnvironment &copy);
+
         // Sets the parameters for linear fog
         void    Set( float start, float end, float density, const hsColorRGBA *color = nil );