LuaBodyComponent.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#pragma once
 
#include "BodyComponent.h"
#include "LuaObject.h"
 
// Type-specific Lua management implementation for body components.
//
// BodyComponents are not automatically compatible with LuaPush / LuaPull,
// and must either be managed with PushComponentToLua() or retrieved with
// GetComponent(typeName) from the Lua side.
//
// Note: there is currently no Lua event handling for when a C++ component is
// deleted - the LuaObject handle is just silently orphaned.
template <typename T>
struct BodyComponentDB::LuaInterface final : LuaInterfaceBase {
    static_assert(std::is_base_of_v<LuaWrappable, T>, "BodyComponents must inherit from LuaWrappable to be pushed to Lua!");
 
    LuaInterface(Pool<T> *pool) :
        pool(pool)
    {}
    Pool<T> *pool;
 
    virtual void PushToLua(const Body *body) override
    {
        LuaObject<T>::PushComponentToLua(pool->get(body));
    }
 
    virtual void DeregisterComponent(const Body *body) override
    {
        LuaObjectBase::DeregisterObject(pool->get(body));
    }
};