public static void UnHookEvent(WoWEventsType eventType, Expression <CallBack> method, bool requestFireCount = false)
{
try
{
Logging.WriteDebug("Init UnHookEvent for event: " + eventType + " with CallBack: " + method + " and requestFireCount: " + requestFireCount);
lock (_ourLock)
{
HookedEventInfo toRemove = null;
foreach (HookedEventInfo current in _hookedEvents)
{
if (current.EventType == eventType && current.CallBackName == method.ToString() && current.SendsFireCount == requestFireCount)
{
toRemove = current;
break;
}
}
if (toRemove != null)
{
_hookedEvents.Remove(toRemove);
}
}
}
catch (Exception err)
{
Logging.WriteError("UnHookEvent(WoWEventsType eventType, string methodName, bool requestFireCount = false): " + err);
}
}
public static void HookEvent(WoWEventsType eventType, Expression <CallBack> method, bool requestFireCount = false, bool ignoreAlreadyDone = false)
{
try
{
Logging.WriteDebug("Init HookEvent for event: " + eventType + " with CallBack: " + method + " and requestFireCount: " + requestFireCount);
if (IsAttached(eventType, method.ToString(), requestFireCount))
{
if (!ignoreAlreadyDone)
{
Logging.WriteError("The event " + eventType + " with method " + method + " and parameter requestFireCount set to " + requestFireCount +
" is already hooked in the exact same way, duplicates of HookEvent is a bad code manner, make sure to UnHook your event when your Stop() your plugin.");
}
return;
}
lock (_ourLock)
{
CallBack callBack = method.Compile();
_hookedEvents.Add(new HookedEventInfo(callBack, eventType, GetEventFireCount(eventType), method.ToString(), requestFireCount));
}
if (_threadHookEvent == null || !_threadHookEvent.IsAlive)
{
_threadHookEvent = new Thread(Hook)
{
Name = "Hook of Events"
};
_threadHookEvent.Start();
}
}
catch (Exception arg)
{
Logging.WriteError("HookEvent(WoWEventsType eventType, Expression<CallBack> method, bool requestFireCount = false): " + arg);
}
}
internal HookedEventInfo(CallBack callBack, WoWEventsType id, int idUsedLastCount, string callBackName, bool sendsFireCount)
{
_callBack = callBack;
EventType = id;
PreviousCurrentEventFireCount = idUsedLastCount;
CallBackName = callBackName;
SendsFireCount = sendsFireCount;
}
private static uint GetWoWEventsTypeValue(WoWEventsType eventsType)
{
try
{
lock (WoWEventsType)
{
if (WoWEventsType.Count > 0)
{
return(WoWEventsType.ContainsKey(eventsType.ToString()) ? WoWEventsType[eventsType.ToString()] : 0);
}
// Already generated then immediatly return the value.
Logging.WriteDebug("Loading WoWEventsLUA database...");
int count = 0;
for (uint i = 0; i <= EventsCount - 1; i++)
{
Application.DoEvents();
uint ptrCurrentEvent = Memory.WowMemory.Memory.ReadUInt(PtrFirstEvent + 0x4 * i);
if (ptrCurrentEvent > 0)
{
uint ptrCurrentEventName = Memory.WowMemory.Memory.ReadUInt(ptrCurrentEvent + (uint)Addresses.EventsListener.EventOffsetName);
if (ptrCurrentEventName <= 0)
{
continue;
}
string currentEventName = Memory.WowMemory.Memory.ReadUTF8String((ptrCurrentEventName));
if (currentEventName == "")
{
continue;
}
if (WoWEventsType.ContainsKey(currentEventName))
{
continue;
}
WoWEventsType.Add(currentEventName, i);
count++;
}
}
Logging.WriteDebug("WoWEventsLUA database loaded with " + count + ".");
}
// return the value after the generation.
return(WoWEventsType.ContainsKey(eventsType.ToString()) ? WoWEventsType[eventsType.ToString()] : 0);
}
catch (Exception e)
{
Logging.WriteDebug("WoWEventsLUA database loading failed.");
Logging.WriteError("GetWoWEventsTypeValue(WoWEventsType eventsType): " + e);
WoWEventsType.Clear();
return(0);
}
}
private static int GetEventFireCount(WoWEventsType eventType)
{
uint eventId = GetWoWEventsTypeValue(eventType);
if (eventId > EventsCount)
{
return(0);
}
uint ptrCurrentEvent = Memory.WowMemory.Memory.ReadUInt(PtrFirstEvent + 4 * eventId);
if (ptrCurrentEvent <= 0)
{
return(0);
}
uint currentEventNamePtr = Memory.WowMemory.Memory.ReadUInt(ptrCurrentEvent + (uint)Addresses.EventsListener.EventOffsetName);
return(currentEventNamePtr > 0 ? Memory.WowMemory.Memory.ReadInt(ptrCurrentEvent + (uint)Addresses.EventsListener.EventOffsetCount) : 0);
}
private static bool IsAttached(WoWEventsType eventType, string callBack, bool sendsFireCount = false)
{
try
{
lock (_ourLock)
{
foreach (HookedEventInfo c in _hookedEvents)
{
if (c.EventType == eventType && c.CallBackName == callBack && c.SendsFireCount == sendsFireCount)
{
return(true);
}
}
}
return(false);
}
catch (Exception arg)
{
Logging.WriteError("IsAttached(string id, MethodDelegate method): " + arg);
}
return(false);
}
