Eluna fix problem with reloading timed events

ElunaEventMgr.cpp

@@ -41,9 +41,11 @@ void ElunaEventProcessor::Update(uint32 diff)
     {
         LuaEvent* luaEvent = it->second;
         eventList.erase(it);
-        eventMap.erase(luaEvent->funcRef);
 
-        if (!luaEvent->abort)
+        if (luaEvent->state != LUAEVENT_STATE_ERASE)
+            eventMap.erase(luaEvent->funcRef);
+
+        if (luaEvent->state == LUAEVENT_STATE_RUN)
         {
             bool remove = luaEvent->repeats == 1;
             if (!remove)
@@ -61,10 +63,12 @@ void ElunaEventProcessor::Update(uint32 diff)
     }
 }
 
-void ElunaEventProcessor::RemoveEvents()
+void ElunaEventProcessor::SetStates(LuaEventState state)
 {
     for (EventList::iterator it = eventList.begin(); it != eventList.end(); ++it)
-        it->second->abort = true;
+        it->second->SetState(state);
+    if (state == LUAEVENT_STATE_ERASE)
+        eventMap.clear();
 }
 
 void ElunaEventProcessor::RemoveEvents_internal()
@@ -83,10 +87,12 @@ void ElunaEventProcessor::RemoveEvents_internal()
     eventMap.clear();
 }
 
-void ElunaEventProcessor::RemoveEvent(int eventId)
+void ElunaEventProcessor::SetState(int eventId, LuaEventState state)
 {
     if (eventMap.find(eventId) != eventMap.end())
-        eventMap[eventId]->abort = true;
+        eventMap[eventId]->SetState(state);
+    if (state == LUAEVENT_STATE_ERASE)
+        eventMap.erase(eventId);
 }
 
 void ElunaEventProcessor::AddEvent(LuaEvent* luaEvent)
@@ -102,8 +108,11 @@ void ElunaEventProcessor::AddEvent(int funcRef, uint32 delay, uint32 repeats)
 
 void ElunaEventProcessor::RemoveEvent(LuaEvent* luaEvent)
 {
-    // Free lua function ref
-    luaL_unref((*E)->L, LUA_REGISTRYINDEX, luaEvent->funcRef);
+    if (luaEvent->state != LUAEVENT_STATE_ERASE && Eluna::IsInitialized())
+    {
+        // Free lua function ref
+        luaL_unref((*E)->L, LUA_REGISTRYINDEX, luaEvent->funcRef);
+    }
     delete luaEvent;
 }
 
@@ -124,20 +133,20 @@ EventMgr::~EventMgr()
     globalProcessor = NULL;
 }
 
-void EventMgr::RemoveEvents()
+void EventMgr::SetStates(LuaEventState state)
 {
     ReadGuard guard(GetLock());
     if (!processors.empty())
         for (ProcessorSet::const_iterator it = processors.begin(); it != processors.end(); ++it) // loop processors
-            (*it)->RemoveEvents();
-    globalProcessor->RemoveEvents();
+            (*it)->SetStates(state);
+    globalProcessor->SetStates(state);
 }
 
-void EventMgr::RemoveEvent(int eventId)
+void EventMgr::SetState(int eventId, LuaEventState state)
 {
     ReadGuard guard(GetLock());
     if (!processors.empty())
         for (ProcessorSet::const_iterator it = processors.begin(); it != processors.end(); ++it) // loop processors
-            (*it)->RemoveEvent(eventId);
-    globalProcessor->RemoveEvent(eventId);
+            (*it)->SetState(eventId, state);
+    globalProcessor->SetState(eventId, state);
 }

ElunaEventMgr.h

@@ -22,16 +22,30 @@ class EventMgr;
 class ElunaEventProcessor;
 class WorldObject;
 
+enum LuaEventState
+{
+    LUAEVENT_STATE_RUN,    // On next call run the function normally
+    LUAEVENT_STATE_ABORT,  // On next call unregisters reffed function and erases the data
+    LUAEVENT_STATE_ERASE,  // On next call just erases the data
+};
+
 struct LuaEvent
 {
     LuaEvent(int _funcRef, uint32 _delay, uint32 _repeats) :
-        delay(_delay), repeats(_repeats), funcRef(_funcRef), abort(false)
+        delay(_delay), repeats(_repeats), funcRef(_funcRef), state(LUAEVENT_STATE_RUN)
     {
     }
+
+    void SetState(LuaEventState _state)
+    {
+        if (state != LUAEVENT_STATE_ERASE)
+            state = _state;
+    }
+
     uint32 delay;   // Delay between event calls
     uint32 repeats; // Amount of repeats to make, 0 for infinite
     int funcRef;    // Lua function reference ID, also used as event ID
-    bool abort;     // True if aborted and should not execute anymore
+    LuaEventState state;    // State for next call
 };
 
 class ElunaEventProcessor
@@ -47,9 +61,9 @@ public:
 
     void Update(uint32 diff);
     // removes all timed events on next tick or at tick end
-    void RemoveEvents();
+    void SetStates(LuaEventState state);
     // set the event to be removed when executing
-    void RemoveEvent(int eventId);
+    void SetState(int eventId, LuaEventState state);
     void AddEvent(int funcRef, uint32 delay, uint32 repeats);
     EventMap eventMap;
 
@@ -74,13 +88,13 @@ public:
     EventMgr(Eluna** _E);
     ~EventMgr();
 
-    // Remove all timed events
+    // Set the state of all timed events
     // Execute only in safe env
-    void RemoveEvents();
+    void SetStates(LuaEventState state);
 
-    // Removes the eventId from all events
+    // Sets the eventId's state in all processors
     // Execute only in safe env
-    void RemoveEvent(int eventId);
+    void SetState(int eventId, LuaEventState state);
 };
 
 #endif

GlobalMethods.h

@@ -1251,9 +1251,9 @@ namespace LuaGlobalFunctions
 
         // not thread safe
         if (all_Events)
-            E->eventMgr->RemoveEvent(eventId);
+            E->eventMgr->SetState(eventId, LUAEVENT_STATE_ABORT);
         else
-            E->eventMgr->globalProcessor->RemoveEvent(eventId);
+            E->eventMgr->globalProcessor->SetState(eventId, LUAEVENT_STATE_ABORT);
         return 0;
     }
 
@@ -1268,9 +1268,9 @@ namespace LuaGlobalFunctions
 
         // not thread safe
         if (all_Events)
-            E->eventMgr->RemoveEvents();
+            E->eventMgr->SetStates(LUAEVENT_STATE_ABORT);
         else
-            E->eventMgr->globalProcessor->RemoveEvents();
+            E->eventMgr->globalProcessor->SetStates(LUAEVENT_STATE_ABORT);
         return 0;
     }
 

LuaEngine.cpp

@@ -101,7 +101,7 @@ void Eluna::_ReloadEluna()
     eWorld->SendServerMessage(SERVER_MSG_STRING, "Reloading Eluna...");
 
     // Remove all timed events
-    sEluna->eventMgr->RemoveEvents();
+    sEluna->eventMgr->SetStates(LUAEVENT_STATE_ERASE);
 
     // Close lua
     sEluna->CloseLua();

WorldObjectMethods.h

@@ -645,7 +645,7 @@ namespace LuaWorldObject
     int RemoveEventById(Eluna* /*E*/, lua_State* L, WorldObject* obj)
     {
         int eventId = Eluna::CHECKVAL<int>(L, 2);
-        obj->elunaEvents->RemoveEvent(eventId);
+        obj->elunaEvents->SetState(eventId, LUAEVENT_STATE_ABORT);
         return 0;
     }
 
@@ -655,7 +655,7 @@ namespace LuaWorldObject
      */
     int RemoveEvents(Eluna* /*E*/, lua_State* /*L*/, WorldObject* obj)
     {
-        obj->elunaEvents->RemoveEvents();
+        obj->elunaEvents->SetStates(LUAEVENT_STATE_ABORT);
         return 0;
     }