9eba331f34
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75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <NDK/LuaBinding.hpp>
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namespace Ndk
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{
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/*!
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* \brief Binds a component to a name
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*
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* \param name Name used to retrieve the component
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*
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* \remark Produces a NazaraAssert if name is empty
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*/
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template<typename T>
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void LuaBinding::BindComponent(const Nz::String& name)
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{
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NazaraAssert(!name.IsEmpty(), "Component name cannot be empty");
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ComponentBinding binding;
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binding.adder = &AddComponentOfType<T>;
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binding.getter = &PushComponentOfType<T>;
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binding.index = T::componentIndex;
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binding.name = name;
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if (m_componentBinding.size() <= T::componentIndex)
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m_componentBinding.resize(T::componentIndex + 1);
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m_componentBinding[T::componentIndex] = std::move(binding);
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m_componentBindingByName[name] = T::componentIndex;
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}
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/*!
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* \brief Adds a component to an entity
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* \return 1 in case of success
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*
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* \param instance Lua instance that will interact with the component
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* \param handle Entity which component will be added to
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*
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* \remark T must be a subtype of BaseComponent
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*/
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template<typename T>
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int AddComponentOfType(Nz::LuaInstance& lua, EntityHandle& handle)
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{
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static_assert(std::is_base_of<BaseComponent, T>::value, "ComponentType must inherit BaseComponent");
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T& component = handle->AddComponent<T>();
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lua.Push(component.CreateHandle());
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return 1;
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}
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/*!
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* \brief Pushes a component
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* \return 1 in case of success
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*
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* \param instance Lua instance that will interact with the component
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* \param component Component that will be pushed
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*
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* \remark T must be a subtype of BaseComponent
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*/
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template<typename T>
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int PushComponentOfType(Nz::LuaInstance& lua, BaseComponent& component)
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{
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static_assert(std::is_base_of<BaseComponent, T>::value, "ComponentType must inherit BaseComponent");
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T& rightComponent = static_cast<T&>(component);
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lua.Push(rightComponent.CreateHandle());
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return 1;
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}
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}
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