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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <Jolt/Physics/StateRecorder.h>
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JPH_NAMESPACE_BEGIN
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/// Implementation of the StateRecorder class that uses a stringstream as underlying store and that implements checking if the state doesn't change upon reading
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class JPH_EXPORT StateRecorderImpl final : public StateRecorder
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{
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public:
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/// Constructor
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StateRecorderImpl() = default;
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StateRecorderImpl(StateRecorderImpl &&inRHS) : StateRecorder(inRHS), mStream(std::move(inRHS.mStream)) { }
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/// Write a string of bytes to the binary stream
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virtual void WriteBytes(const void *inData, size_t inNumBytes) override;
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/// Rewind the stream for reading
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void Rewind();
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/// Clear the stream for reuse
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void Clear();
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/// Read a string of bytes from the binary stream
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virtual void ReadBytes(void *outData, size_t inNumBytes) override;
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// See StreamIn
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virtual bool IsEOF() const override { return mStream.eof(); }
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// See StreamIn / StreamOut
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virtual bool IsFailed() const override { return mStream.fail(); }
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/// Compare this state with a reference state and ensure they are the same
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bool IsEqual(StateRecorderImpl &inReference);
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/// Convert the binary data to a string
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std::string GetData() const { return mStream.str(); }
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/// Get size of the binary data in bytes
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size_t GetDataSize() { return size_t(mStream.tellp()); }
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private:
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std::stringstream mStream;
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};
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JPH_NAMESPACE_END
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