From 15740faf9fe9fe4be08965098bbf2947e096aeeb Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 14 Aug 2019 22:50:43 +0800
Subject: +Unity Runtime code

---
 Runtime/Serialize/Blobification/BlobSize.h | 161 +++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 Runtime/Serialize/Blobification/BlobSize.h

(limited to 'Runtime/Serialize/Blobification/BlobSize.h')

diff --git a/Runtime/Serialize/Blobification/BlobSize.h b/Runtime/Serialize/Blobification/BlobSize.h
new file mode 100644
index 0000000..a7aaf6d
--- /dev/null
+++ b/Runtime/Serialize/Blobification/BlobSize.h
@@ -0,0 +1,161 @@
+#ifndef BLOBSIZE_H
+#define BLOBSIZE_H
+
+#include "Runtime/Serialize/TransferFunctions/TransferBase.h"
+
+struct ReduceCopyData;
+
+class BlobSize : public TransferBase
+{
+private:
+
+	typedef OffsetPtr<void*>::offset_type offset_type;
+
+	size_t                   m_Size;
+	bool                     m_IgnorePtr;
+	bool                     m_HasDebugOffsetPtr;
+	bool                     m_Use64Ptr;
+	int			             m_TargetPlatform;
+
+	std::size_t	AlignAddress(std::size_t addr, std::size_t align)
+	{
+		return addr + ((~addr + 1U) & (align - 1U));
+	}
+	
+public:
+
+	
+	BlobSize (bool hasDebugOffsetPtr, bool use64BitOffsetPtr)
+		: m_Size (0)
+		, m_IgnorePtr (false)
+		, m_HasDebugOffsetPtr (hasDebugOffsetPtr)
+		, m_Use64Ptr (use64BitOffsetPtr) { }
+
+	bool NeedsInstanceIDRemapping ()          { return m_Flags & kNeedsInstanceIDRemapping; }
+	int  GetFlags ()                  { return m_Flags; }
+	bool IsWritingGameReleaseData ()
+	{ 	
+		return true;
+	}
+	bool IsSerializingForGameRelease ()
+	{
+		return true;
+	}
+	bool IsBuildingTargetPlatform (BuildTargetPlatform platform)
+	{
+		if (platform == kBuildAnyPlayerData)
+			return m_TargetPlatform >= kBuildValidPlayer;
+		else
+			return m_TargetPlatform == platform;
+	}
+
+	BuildTargetPlatform GetBuildingTargetPlatform () { return static_cast<BuildTargetPlatform>(m_TargetPlatform); }
+	
+	template<class T>	
+	void Transfer (T& data, const char* name, TransferMetaFlags metaFlag = kNoTransferFlags);
+	
+	template<class T>	
+	void TransferWithTypeString (T& data, const char* name, const char* typeName, TransferMetaFlags metaFlag = kNoTransferFlags);
+	
+	template<class T>
+	void TransferBasicData (T& data);
+
+	template<class T>	
+	void TransferPtr (bool isValidPtr, ReduceCopyData* reduceCopyData);
+
+	template<class T>
+	void TransferSTLStyleArray (T& data, TransferMetaFlags metaFlag = kNoTransferFlags);
+		
+	template<class T>
+	static size_t CalculateSize (T& data, bool hasDebugOffsetPtr, bool use64BitOffsetPtr)
+	{
+		BlobSize sizer (hasDebugOffsetPtr, use64BitOffsetPtr);
+		sizer.Transfer(data, "Base");
+		
+		// size_t size = sizeof(T);
+		// Assert( sizeof(T) == sizer.m_Size);
+		
+		return sizer.m_Size;
+	}
+
+	template<class> friend class BlobSizeTransferSTLStyleArrayImpl;
+};
+
+
+template<typename T> class BlobSizeTransferSTLStyleArrayImpl
+{
+public:
+	void operator()(T& data, TransferMetaFlags metaFlags, BlobSize& transfer)
+	{
+		AssertString ("STL array are not support for BlobWrite");		
+	}
+};
+
+template<typename T> class BlobSizeTransferSTLStyleArrayImpl< OffsetPtrArrayTransfer<T> > 
+{
+public:
+	void operator()(OffsetPtrArrayTransfer<T>& data, TransferMetaFlags metaFlags, BlobSize& transfer)
+	{
+		transfer.m_IgnorePtr = false;
+	}
+};
+
+template<typename T, int SIZE> class BlobSizeTransferSTLStyleArrayImpl< StaticArrayTransfer<T, SIZE> >
+{
+public:
+	void operator()(StaticArrayTransfer<T, SIZE>& data, TransferMetaFlags metaFlags, BlobSize& transfer)
+	{
+		transfer.m_Size = transfer.AlignAddress(transfer.m_Size, ALIGN_OF(T));
+		transfer.m_Size += sizeof(T)*data.size();
+	}
+};
+
+
+template<class T> inline
+void BlobSize::TransferSTLStyleArray (T& data, TransferMetaFlags metaFlags)
+{
+	BlobSizeTransferSTLStyleArrayImpl<T> transfer;
+	transfer(data, metaFlags, *this);
+}
+
+template<class T> inline
+void BlobSize::Transfer (T& data, const char* name, TransferMetaFlags)
+{
+	if (m_IgnorePtr)
+	{
+		m_IgnorePtr = false;
+		return;
+	}
+
+	m_Size = AlignAddress(m_Size, SerializeTraits<T>::GetAlignOf() );	
+	
+	SerializeTraits<T>::Transfer (data, *this);
+	
+	m_Size = AlignAddress(m_Size, SerializeTraits<T>::GetAlignOf() );
+}
+
+template<class T> inline
+void BlobSize::TransferWithTypeString (T& data, const char*, const char*, TransferMetaFlags)
+{
+	SerializeTraits<T>::Transfer (data, *this);
+}
+
+template<class T> inline
+void BlobSize::TransferBasicData (T& srcData)
+{
+	m_Size += sizeof(T);	
+}
+
+template<class T> inline
+void BlobSize::TransferPtr (bool isValidPtr, ReduceCopyData* reduceCopyData)
+{
+	m_Size += m_Use64Ptr ? sizeof(SInt64) : sizeof(SInt32);
+	
+	if (m_HasDebugOffsetPtr)
+		m_Size += sizeof(void*);
+	
+	if (isValidPtr)
+		m_IgnorePtr = true;
+}
+
+#endif
-- 
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