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o3de/Code/Framework/AzFramework/AzFramework/Script/ScriptMarshal.h
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2021-04-23 09:43:40 -07:00

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/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#ifndef AZFRAMEWORK_SCRIPT_SCRIPTMARSHAL_H
#define AZFRAMEWORK_SCRIPT_SCRIPTMARSHAL_H
#include <GridMate/Serialize/ContainerMarshal.h>
#include <AzCore/RTTI/BehaviorObjectSignals.h>
namespace AZ
{
class ScriptProperty;
}
namespace AzFramework
{
/**
* Specalized helper marshaler for ScriptProperty class
*/
class ScriptPropertyMarshaler
{
public:
void Marshal(GridMate::WriteBuffer& wb, AZ::ScriptProperty*const& cont) const;
bool UnmarshalToPointer(AZ::ScriptProperty*& target, GridMate::ReadBuffer& rb) const;
};
class ScriptPropertyThrottler
{
public:
ScriptPropertyThrottler();
void SignalDirty();
bool WithinThreshold(AZ::ScriptProperty* newValue) const;
void UpdateBaseline(AZ::ScriptProperty* baseline);
private:
bool m_isDirty;
};
/**
* Specialized helper marshaler to help with the vector creation/destruction
*/
class ScriptRPCMarshaler
{
public:
typedef AZStd::vector< AZ::ScriptProperty* > Container;
ScriptRPCMarshaler()
{
}
AZ_FORCE_INLINE void Marshal(GridMate::WriteBuffer& wb, const Container& container) const
{
AZ_Assert(container.size() < USHRT_MAX, "Container has too many elements for marshaling!");
AZ::u16 size = static_cast<AZ::u16>(container.size());
wb.Write(size);
for (const auto& i : container)
{
m_marshaler.Marshal(wb, i);
}
}
AZ_FORCE_INLINE void Unmarshal(Container& container, GridMate::ReadBuffer& rb) const
{
container.clear();
AZ::u16 size;
rb.Read(size);
container.reserve(size);
for (AZ::u16 i = 0; i < size; ++i)
{
AZ::ScriptProperty* readProperty = nullptr;
m_marshaler.UnmarshalToPointer(readProperty, rb);
container.insert(container.end(), readProperty);
}
}
protected:
ScriptPropertyMarshaler m_marshaler;
};
}
#endif