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Allow event handlers to be cleared.

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This commit is contained in:
Patman64
2014-12-21 01:58:22 -05:00
parent b281fe052e
commit f15373ea43
3 changed files with 231 additions and 19 deletions
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58
ElunaBinding.h
View File

@@ -25,15 +25,23 @@ public:
int functionReference;
bool isTemporary;
uint32 remainingShots;
Eluna& E;
Binding(int funcRef, uint32 shots) :
Binding(Eluna& _E, int funcRef, uint32 shots) :
functionReference(funcRef),
isTemporary(shots != 0),
remainingShots(shots)
remainingShots(shots),
E(_E)
{
}
// Remove our function from the registry when the Binding is deleted.
~Binding()
{
luaL_unref(E.L, LUA_REGISTRYINDEX, functionReference);
}
};
typedef std::vector<Binding> FunctionRefVector;
typedef std::vector<Binding*> FunctionRefVector;
typedef UNORDERED_MAP<int, FunctionRefVector> EventToFunctionsMap;
Eluna& E;
@@ -66,27 +74,35 @@ public:
for (EventToFunctionsMap::iterator itr = Bindings.begin(); itr != Bindings.end(); ++itr)
{
for (FunctionRefVector::iterator it = itr->second.begin(); it != itr->second.end(); ++it)
luaL_unref(E.L, LUA_REGISTRYINDEX, (*it).functionReference);
delete *it;
itr->second.clear();
}
Bindings.clear();
}
void Clear(uint32 event_id)
{
for (FunctionRefVector::iterator itr = Bindings[event_id].begin(); itr != Bindings[event_id].end(); ++itr)
delete *itr;
Bindings[event_id].clear();
}
// Pushes the function references and updates the counters on the binds and erases them if the counter would reach 0
void PushFuncRefs(lua_State* L, int event_id)
{
for (FunctionRefVector::iterator it = Bindings[event_id].begin(); it != Bindings[event_id].end();)
{
FunctionRefVector::iterator it_old = it++;
Binding* binding = (*it_old);
lua_rawgeti(L, LUA_REGISTRYINDEX, (it_old->functionReference));
lua_rawgeti(L, LUA_REGISTRYINDEX, binding->functionReference);
if (it_old->isTemporary)
if (binding->isTemporary)
{
--it_old->remainingShots;
if (it_old->remainingShots == 0)
binding->remainingShots--;
if (binding->remainingShots == 0)
{
luaL_unref(L, LUA_REGISTRYINDEX, it_old->functionReference);
delete binding;
Bindings[event_id].erase(it_old);
}
}
@@ -98,7 +114,7 @@ public:
void Insert(int eventId, int funcRef, uint32 shots) // Inserts a new registered event
{
Bindings[eventId].push_back(Binding(funcRef, shots));
Bindings[eventId].push_back(new Binding(E, funcRef, shots));
}
// Checks if there are events for ID
@@ -132,7 +148,7 @@ public:
for (EventToFunctionsMap::iterator it = itr->second.begin(); it != itr->second.end(); ++it)
{
for (FunctionRefVector::iterator i = it->second.begin(); i != it->second.end(); ++i)
luaL_unref(E.L, LUA_REGISTRYINDEX, (*i).functionReference);
delete *i;
it->second.clear();
}
itr->second.clear();
@@ -140,21 +156,29 @@ public:
Bindings.clear();
}
void Clear(uint32 entry, uint32 event_id)
{
for (FunctionRefVector::iterator itr = Bindings[entry][event_id].begin(); itr != Bindings[entry][event_id].end(); ++itr)
delete *itr;
Bindings[entry][event_id].clear();
}
// Pushes the function references and updates the counters on the binds and erases them if the counter would reach 0
void PushFuncRefs(lua_State* L, int event_id, uint32 entry)
{
for (FunctionRefVector::iterator it = Bindings[entry][event_id].begin(); it != Bindings[entry][event_id].end();)
{
FunctionRefVector::iterator it_old = it++;
Binding* binding = (*it_old);
lua_rawgeti(L, LUA_REGISTRYINDEX, (it_old->functionReference));
lua_rawgeti(L, LUA_REGISTRYINDEX, binding->functionReference);
if (it_old->isTemporary)
if (binding->isTemporary)
{
--it_old->remainingShots;
if (it_old->remainingShots == 0)
binding->remainingShots--;
if (binding->remainingShots == 0)
{
luaL_unref(L, LUA_REGISTRYINDEX, it_old->functionReference);
delete binding;
Bindings[entry][event_id].erase(it_old);
}
}
@@ -169,7 +193,7 @@ public:
void Insert(uint32 entryId, int eventId, int funcRef, uint32 shots) // Inserts a new registered event
{
Bindings[entryId][eventId].push_back(Binding(funcRef, shots));
Bindings[entryId][eventId].push_back(new Binding(E, funcRef, shots));
}
// Returns true if the entry has registered binds

178
GlobalMethods.h
View File

@@ -7,6 +7,8 @@
#ifndef GLOBALMETHODS_H
#define GLOBALMETHODS_H
#include "ElunaBinding.h"
namespace LuaGlobalFunctions
{
/**
@@ -697,7 +699,7 @@ namespace LuaGlobalFunctions
}
/**
* Registers a [Battleground] event
* Registers a [BattleGround] event
*
* <pre>
* enum BGEvents
@@ -710,7 +712,7 @@ namespace LuaGlobalFunctions
* };
* </pre>
*
* @param uint32 event : [Battleground] event Id, refer to BGEvents above
* @param uint32 event : [BattleGround] event Id, refer to BGEvents above
* @param function function : function to register
* @param uint32 shots = 0 : the number of times the function will be called, 0 means "always call this function"
*/
@@ -2347,5 +2349,177 @@ namespace LuaGlobalFunctions
Eluna::Push(L, init);
return 1;
}
/**
* Unbinds all event handlers for a particular [BattleGround] event.
*
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterBGEvent]
*/
int ClearBattleGroundEvents(Eluna* E, lua_State* L)
{
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 1);
E->BGEventBindings->Clear(event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Creature] event/entry combination.
*
* @param uint32 entry : the ID of a [Creature] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterCreatureEvent]
*/
int ClearCreatureEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->CreatureEventBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Creature] gossip event/entry combination.
*
* @param uint32 entry : the ID of a [Creature] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterCreatureGossipEvent]
*/
int ClearCreatureGossipEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->CreatureGossipBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [GameObject] event/entry combination.
*
* @param uint32 entry : the ID of a [GameObject] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterGameObjectEvent]
*/
int ClearGameObjectEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->GameObjectEventBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [GameObject] gossip event/entry combination.
*
* @param uint32 entry : the ID of a [GameObject] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterGameObjectGossipEvent]
*/
int ClearGameObjectGossipEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->GameObjectGossipBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Group] event.
*
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterGroupEvent]
*/
int ClearGroupEvents(Eluna* E, lua_State* L)
{
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 1);
E->GroupEventBindings->Clear(event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Guild] event.
*
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterGuildEvent]
*/
int ClearGuildEvents(Eluna* E, lua_State* L)
{
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 1);
E->GuildEventBindings->Clear(event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Item] event/entry combination.
*
* @param uint32 entry : the ID of an [Item] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterItemEvent]
*/
int ClearItemEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->ItemEventBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Item] gossip event/entry combination.
*
* @param uint32 entry : the ID of a [] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterItemGossipEvent]
*/
int ClearItemGossipEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->ItemGossipBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Packet] event/entry combination.
*
* @param uint32 entry : the ID of a [Packet] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterPacketEvent]
*/
int ClearPacketEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->PacketEventBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Player] event.
*
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterPlayerEvent]
*/
int ClearPlayerEvents(Eluna* E, lua_State* L)
{
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 1);
E->PlayerEventBindings->Clear(event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular [Player] gossip event.
*
* @param uint32 entry : the ID of a [] whose handlers will be cleared
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterPlayerGossipEvent]
*/
int ClearPlayerGossipEvents(Eluna* E, lua_State* L)
{
uint32 entry = Eluna::CHECKVAL<uint32>(L, 1);
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 2);
E->playerGossipBindings->Clear(entry, event_type);
return 0;
}
/**
* Unbinds all event handlers for a particular server event.
*
* @param uint32 event_type : the event whose handlers will be cleared, see [Global:RegisterServerEvent]
*/
int ClearServerEvents(Eluna* E, lua_State* L)
{
uint32 event_type = Eluna::CHECKVAL<uint32>(L, 1);
E->ServerEventBindings->Clear(event_type);
return 0;
}
}
#endif

14
LuaFunctions.cpp
View File

@@ -55,6 +55,20 @@ ElunaGlobal::ElunaRegister GlobalMethods[] =
{ "RegisterPlayerGossipEvent", &LuaGlobalFunctions::RegisterPlayerGossipEvent }, // RegisterPlayerGossipEvent(menu_id, event, function)
{ "RegisterBGEvent", &LuaGlobalFunctions::RegisterBGEvent }, // RegisterBGEvent(event, function)
{ "ClearBattleGroundEvents", &LuaGlobalFunctions::ClearBattleGroundEvents },
{ "ClearCreatureEvents", &LuaGlobalFunctions::ClearCreatureEvents },
{ "ClearCreatureGossipEvents", &LuaGlobalFunctions::ClearCreatureGossipEvents },
{ "ClearGameObjectEvents", &LuaGlobalFunctions::ClearGameObjectEvents },
{ "ClearGameObjectGossipEvents", &LuaGlobalFunctions::ClearGameObjectGossipEvents },
{ "ClearGroupEvents", &LuaGlobalFunctions::ClearGroupEvents },
{ "ClearGuildEvents", &LuaGlobalFunctions::ClearGuildEvents },
{ "ClearItemEvents", &LuaGlobalFunctions::ClearItemEvents },
{ "ClearItemGossipEvents", &LuaGlobalFunctions::ClearItemGossipEvents },
{ "ClearPacketEvents", &LuaGlobalFunctions::ClearPacketEvents },
{ "ClearPlayerEvents", &LuaGlobalFunctions::ClearPlayerEvents },
{ "ClearPlayerGossipEvents", &LuaGlobalFunctions::ClearPlayerGossipEvents },
{ "ClearServerEvents", &LuaGlobalFunctions::ClearServerEvents },
// Getters
{ "GetLuaEngine", &LuaGlobalFunctions::GetLuaEngine },
{ "GetCoreName", &LuaGlobalFunctions::GetCoreName },