Separate ElunaTemplate and Method registration (#499)

* Split Template functions and method registry
* Implement Custom Method template files

ElunaTemplate.cpp

@@ -0,0 +1,87 @@
+/*
+* Copyright (C) 2010 - 2024 Eluna Lua Engine <https://elunaluaengine.github.io/>
+* This program is free software licensed under GPL version 3
+* Please see the included DOCS/LICENSE.md for more information
+*/
+
+// Eluna
+#include "LuaEngine.h"
+#include "ElunaIncludes.h"
+#include "ElunaTemplate.h"
+#include "ElunaUtility.h"
+
+#if defined TRACKABLE_PTR_NAMESPACE
+ElunaConstrainedObjectRef<Aura> GetWeakPtrFor(Aura const* obj)
+{
+#if defined ELUNA_TRINITY
+    Map* map = obj->GetOwner()->GetMap();
+#elif defined ELUNA_CMANGOS
+    Map* map = obj->GetTarget()->GetMap();
+#endif
+    return { obj->GetWeakPtr(), map };
+}
+ElunaConstrainedObjectRef<BattleGround> GetWeakPtrFor(BattleGround const* obj) { return { obj->GetWeakPtr(), obj->GetBgMap() }; }
+ElunaConstrainedObjectRef<Group> GetWeakPtrFor(Group const* obj) { return { obj->GetWeakPtr(), nullptr }; }
+ElunaConstrainedObjectRef<Guild> GetWeakPtrFor(Guild const* obj) { return { obj->GetWeakPtr(), nullptr }; }
+ElunaConstrainedObjectRef<Map> GetWeakPtrFor(Map const* obj) { return { obj->GetWeakPtr(), obj }; }
+ElunaConstrainedObjectRef<Object> GetWeakPtrForObjectImpl(Object const* obj)
+{
+    if (obj->isType(TYPEMASK_WORLDOBJECT))
+        return { obj->GetWeakPtr(), static_cast<WorldObject const*>(obj)->GetMap() };
+
+    if (obj->GetTypeId() == TYPEID_ITEM)
+        if (Player const* player = static_cast<Item const*>(obj)->GetOwner())
+            return { obj->GetWeakPtr(), player->GetMap() };
+
+    // possibly dangerous item
+    return { obj->GetWeakPtr(), nullptr };
+}
+ElunaConstrainedObjectRef<Quest> GetWeakPtrFor(Quest const* obj) { return { obj->GetWeakPtr(), nullptr }; }
+ElunaConstrainedObjectRef<Spell> GetWeakPtrFor(Spell const* obj) { return { obj->GetWeakPtr(), obj->GetCaster()->GetMap() }; }
+#if ELUNA_EXPANSION >= EXP_WOTLK
+ElunaConstrainedObjectRef<Vehicle> GetWeakPtrFor(Vehicle const* obj)
+{
+#if defined ELUNA_TRINITY
+    Map* map = obj->GetBase()->GetMap();
+#elif defined ELUNA_CMANGOS
+    Map* map = obj->GetOwner()->GetMap();
+#endif
+    return { obj->GetWeakPtr(), map };
+}
+#endif
+#endif
+
+template<> inline int ElunaTemplate<unsigned long long>::Add(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::plus()); }
+template<> inline int ElunaTemplate<unsigned long long>::Subtract(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::minus()); }
+template<> inline int ElunaTemplate<unsigned long long>::Multiply(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::multiplies()); }
+template<> inline int ElunaTemplate<unsigned long long>::Divide(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::divides()); }
+template<> inline int ElunaTemplate<unsigned long long>::Mod(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::modulus()); }
+template<> inline int ElunaTemplate<unsigned long long>::Equal(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::equal_to()); }
+template<> inline int ElunaTemplate<unsigned long long>::Less(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::less()); }
+template<> inline int ElunaTemplate<unsigned long long>::LessOrEqual(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::PerformOp(L, std::less_equal()); }
+template<> inline int ElunaTemplate<unsigned long long>::ToString(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::ToString(L); }
+template<> inline int ElunaTemplate<unsigned long long>::Pow(lua_State* L) { return ElunaTemplateHelper<unsigned long long>::Pow(L); }
+
+template<> inline int ElunaTemplate<long long>::Add(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::plus()); }
+template<> inline int ElunaTemplate<long long>::Subtract(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::minus()); }
+template<> inline int ElunaTemplate<long long>::Multiply(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::multiplies()); }
+template<> inline int ElunaTemplate<long long>::Divide(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::divides()); }
+template<> inline int ElunaTemplate<long long>::Mod(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::modulus()); }
+template<> inline int ElunaTemplate<long long>::UnaryMinus(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::negate()); }
+template<> inline int ElunaTemplate<long long>::Equal(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::equal_to()); }
+template<> inline int ElunaTemplate<long long>::Less(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::less()); }
+template<> inline int ElunaTemplate<long long>::LessOrEqual(lua_State* L) { return ElunaTemplateHelper<long long>::PerformOp(L, std::less_equal()); }
+template<> inline int ElunaTemplate<long long>::ToString(lua_State* L) { return ElunaTemplateHelper<long long>::ToString(L); }
+template<> inline int ElunaTemplate<long long>::Pow(lua_State* L) { return ElunaTemplateHelper<long long>::Pow(L); }
+
+template<> inline int ElunaTemplate<ObjectGuid>::Equal(lua_State* L) { Eluna* E = Eluna::GetEluna(L); E->Push(E->CHECKVAL<ObjectGuid>(1) == E->CHECKVAL<ObjectGuid>(2)); return 1; }
+template<> inline int ElunaTemplate<ObjectGuid>::ToString(lua_State* L)
+{
+    Eluna* E = Eluna::GetEluna(L);
+#if defined ELUNA_TRINITY
+    E->Push(E->CHECKVAL<ObjectGuid>(1).ToString());
+#else
+    E->Push(E->CHECKVAL<ObjectGuid>(1).GetString());
+#endif
+    return 1;
+}

LuaEngine.cpp

@@ -27,7 +27,7 @@ extern "C"
 // Additional lua libraries
 };
 
-extern void RegisterFunctions(Eluna* E);
+extern void RegisterMethods(Eluna* E);
 
 void Eluna::_ReloadEluna()
 {
@@ -146,7 +146,7 @@ void Eluna::OpenLua()
     luaL_openlibs(L);
 
     // Register methods and functions
-    RegisterFunctions(this);
+    RegisterMethods(this);
 
     // get require paths
     const std::string& requirepath = sElunaLoader->GetRequirePath();

methods/CMangos/CustomMethods.h

@@ -0,0 +1,27 @@
+/*
+* Copyright (C) 2010 - 2024 Eluna Lua Engine <https://elunaluaengine.github.io/>
+* This program is free software licensed under GPL version 3
+* Please see the included DOCS/LICENSE.md for more information
+*/
+
+// This file is used for custom Lua methods, without needing to edit the existing method header files.
+// This can also be used to override default methods without needing to edit existing methods.
+// It follows the same structure as any other method header, except you can use RegisterCustomFunction
+// to register multiple method tables in a single file.
+
+#include "ElunaTemplate.h"
+#include "ElunaIncludes.h"
+
+#ifndef CUSTOMMETHODS_H
+#define CUSTOMMETHODS_H
+
+namespace LuaCustom
+{
+    // See the CustomMethods header file in the TC method directory for an example.
+    inline void RegisterCustomMethods([[maybe_unused]] Eluna* E)
+    {
+
+    };
+};
+
+#endif

methods/Mangos/CustomMethods.h

@@ -0,0 +1,27 @@
+/*
+* Copyright (C) 2010 - 2024 Eluna Lua Engine <https://elunaluaengine.github.io/>
+* This program is free software licensed under GPL version 3
+* Please see the included DOCS/LICENSE.md for more information
+*/
+
+// This file is used for custom Lua methods, without needing to edit the existing method header files.
+// This can also be used to override default methods without needing to edit existing methods.
+// It follows the same structure as any other method header, except you can use RegisterCustomFunction
+// to register multiple method tables in a single file.
+
+#include "ElunaTemplate.h"
+#include "ElunaIncludes.h"
+
+#ifndef CUSTOMMETHODS_H
+#define CUSTOMMETHODS_H
+
+namespace LuaCustom
+{
+    // See the CustomMethods header file in the TC method directory for an example.
+    inline void RegisterCustomMethods([[maybe_unused]] Eluna* E)
+    {
+
+    };
+};
+
+#endif