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//
// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// IEntityObject header file.
//
// All objects that will be linked to an entity should be based off this class, which implements just a
// couple of features from IObject to make sure object linking with entity ID is done correctly, which is important
// for correct serialization, and saves having to reimplement the same boilerplate in every object class
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma once
#ifndef IENTITYOBJECT_INCLUDED
#define IENTITYOBJECT_INCLUDED
#include "InterfaceIds.h"
#include "../../RuntimeObjectSystem/ObjectInterfacePerModule.h"
#include "../../RuntimeObjectSystem/ISimpleSerializer.h"
#include "../../RuntimeObjectSystem/IObject.h"
#include "../../Systems/SystemTable.h"
#include "../../Systems/IEntity.h"
#include "../../Systems/IEntitySystem.h"
#include <assert.h>
class IEntityObject : public TInterface<IID_IENTITYOBJECT,IObject>
{
public:
IEntityObject() : m_pEntity(NULL)
{
}
virtual ~IEntityObject()
{
if (m_pEntity)
{
m_pEntity->SetObject(NULL);
}
}
virtual void SetEntity( IAUEntity* pEntity )
{
if( pEntity != m_pEntity )
{
if( m_pEntity )
{
m_pEntity->SetObject( NULL );
}
if( pEntity )
{
IEntityObject* pEntityObject = pEntity->GetObject();
if( pEntityObject )
{
pEntityObject->SetEntity( NULL );
}
pEntity->SetObject( this );
}
m_pEntity = pEntity;
}
}
virtual AUEntityId GetEntityId() const { AU_ASSERT(m_pEntity); return m_pEntity->GetId(); }
virtual void Serialize(ISimpleSerializer *pSerializer)
{
AU_ASSERT( pSerializer );
AUEntityId entityId = -1;
if( pSerializer->IsLoading() )
{
pSerializer->SerializeProperty("m_Entity", entityId);
IAUEntity* pEntity = PerModuleInterface::g_pSystemTable->pEntitySystem->Get(entityId);
AU_ASSERT(pEntity);
SetEntity( pEntity ); //must do this through set entity
}
else
{
entityId = m_pEntity ? m_pEntity->GetId() : 0;
pSerializer->SerializeProperty("m_Entity", entityId);
}
}
protected:
IAUEntity* m_pEntity;
};
#endif // IENTITYOBJECT_INCLUDED