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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SCRIPT_OBJECT_SPELL_SCRIPT_LOADER_H_
#define SCRIPT_OBJECT_SPELL_SCRIPT_LOADER_H_
#include "ScriptObject.h"
#include "Tuples.h"
#include "Types.h"
class SpellScriptLoader : public ScriptObject
{
protected:
SpellScriptLoader(const char* name);
public:
[[nodiscard]] bool IsDatabaseBound() const override { return true; }
// Should return a fully valid SpellScript pointer.
[[nodiscard]] virtual SpellScript* GetSpellScript() const { return nullptr; }
// Should return a fully valid AuraScript pointer.
[[nodiscard]] virtual AuraScript* GetAuraScript() const { return nullptr; }
};
namespace Acore::SpellScripts
{
template<typename T>
using is_SpellScript = std::is_base_of<SpellScript, T>;
template<typename T>
using is_AuraScript = std::is_base_of<AuraScript, T>;
}
template <typename... Ts>
class GenericSpellAndAuraScriptLoader : public SpellScriptLoader
{
using SpellScriptType = typename Acore::find_type_if_t<Acore::SpellScripts::is_SpellScript, Ts...>;
using AuraScriptType = typename Acore::find_type_if_t<Acore::SpellScripts::is_AuraScript, Ts...>;
using ArgsType = typename Acore::find_type_if_t<Acore::is_tuple, Ts...>;
public:
GenericSpellAndAuraScriptLoader(char const* name, ArgsType&& args) : SpellScriptLoader(name), _args(std::move(args)) { }
private:
[[nodiscard]] SpellScript* GetSpellScript() const override
{
if constexpr (!std::is_same_v<SpellScriptType, Acore::find_type_end>)
{
return Acore::new_from_tuple<SpellScriptType>(_args);
}
else
{
return nullptr;
}
}
[[nodiscard]] AuraScript* GetAuraScript() const override
{
if constexpr (!std::is_same_v<AuraScriptType, Acore::find_type_end>)
{
return Acore::new_from_tuple<AuraScriptType>(_args);
}
else
{
return nullptr;
}
}
ArgsType _args;
};
#define RegisterSpellScriptWithArgs(spell_script, script_name, ...) new GenericSpellAndAuraScriptLoader<spell_script, decltype(std::make_tuple(__VA_ARGS__))>(script_name, std::make_tuple(__VA_ARGS__))
#define RegisterSpellScript(spell_script) RegisterSpellScriptWithArgs(spell_script, #spell_script)
#define RegisterSpellAndAuraScriptPairWithArgs(script_1, script_2, script_name, ...) new GenericSpellAndAuraScriptLoader<script_1, script_2, decltype(std::make_tuple(__VA_ARGS__))>(script_name, std::make_tuple(__VA_ARGS__))
#define RegisterSpellAndAuraScriptPair(script_1, script_2) RegisterSpellAndAuraScriptPairWithArgs(script_1, script_2, #script_1)
//namespace Acore::SpellScripts
//{
// template<typename T>
// using is_SpellScript = std::is_base_of<SpellScript, T>;
//
// template<typename T>
// using is_AuraScript = std::is_base_of<AuraScript, T>;
//}
//
//template <typename... Ts>
//class GenericSpellAndAuraScriptLoader : public SpellScriptLoader
//{
// using SpellScriptType = typename Acore::find_type_if_t<Acore::SpellScripts::is_SpellScript, Ts...>;
// using AuraScriptType = typename Acore::find_type_if_t<Acore::SpellScripts::is_AuraScript, Ts...>;
// using ArgsType = typename Acore::find_type_if_t<Acore::is_tuple, Ts...>;
//
//public:
// GenericSpellAndAuraScriptLoader(std::string_view name, ArgsType&& args) : SpellScriptLoader(name), _args(std::move(args)) { }
//
//private:
// [[nodiscard]] SpellScript* GetSpellScript() const override
// {
// if constexpr (!std::is_same_v<SpellScriptType, Acore::find_type_end>)
// {
// return Acore::new_from_tuple<SpellScriptType>(_args);
// }
// else
// {
// return nullptr;
// }
// }
//
// [[nodiscard]] AuraScript* GetAuraScript() const override
// {
// if constexpr (!std::is_same_v<AuraScriptType, Acore::find_type_end>)
// {
// return Acore::new_from_tuple<AuraScriptType>(_args);
// }
// else
// {
// return nullptr;
// }
// }
//
// ArgsType _args;
//};
//
//#define RegisterSpellScriptWithArgs(spell_script, script_name, ...) new GenericSpellAndAuraScriptLoader<spell_script, decltype(std::make_tuple(__VA_ARGS__))>(script_name, std::make_tuple(__VA_ARGS__))
//#define RegisterSpellScript(spell_script) RegisterSpellScriptWithArgs(spell_script, #spell_script)
//#define RegisterSpellAndAuraScriptPairWithArgs(script_1, script_2, script_name, ...) new GenericSpellAndAuraScriptLoader<script_1, script_2, decltype(std::make_tuple(__VA_ARGS__))>(script_name, std::make_tuple(__VA_ARGS__))
//#define RegisterSpellAndAuraScriptPair(script_1, script_2) RegisterSpellAndAuraScriptPairWithArgs(script_1, script_2, #script_1)
#endif
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