initial commit, 4.5 stable

thirdparty/jolt_physics/Jolt/ObjectStream/SerializableAttributeEnum.h

@@ -0,0 +1,67 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#ifdef JPH_OBJECT_STREAM
+
+#include <Jolt/ObjectStream/SerializableAttribute.h>
+#include <Jolt/ObjectStream/ObjectStream.h>
+
+JPH_NAMESPACE_BEGIN
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// Macros to add properties to be serialized
+//////////////////////////////////////////////////////////////////////////////////////////
+
+template <class MemberType>
+inline void AddSerializableAttributeEnum(RTTI &inRTTI, uint inOffset, const char *inName)
+{
+	inRTTI.AddAttribute(SerializableAttribute(inName, inOffset,
+		[]() -> const RTTI *
+		{
+			return nullptr;
+		},
+		[](int inArrayDepth, EOSDataType inDataType, [[maybe_unused]] const char *inClassName)
+		{
+			return inArrayDepth == 0 && inDataType == EOSDataType::T_uint32;
+		},
+		[](IObjectStreamIn &ioStream, void *inObject)
+		{
+			uint32 temporary;
+			if (OSReadData(ioStream, temporary))
+			{
+				*reinterpret_cast<MemberType *>(inObject) = static_cast<MemberType>(temporary);
+				return true;
+			}
+			return false;
+		},
+		[](IObjectStreamOut &ioStream, const void *inObject)
+		{
+			static_assert(sizeof(MemberType) <= sizeof(uint32));
+			uint32 temporary = uint32(*reinterpret_cast<const MemberType *>(inObject));
+			OSWriteData(ioStream, temporary);
+		},
+		[](IObjectStreamOut &ioStream)
+		{
+			ioStream.WriteDataType(EOSDataType::T_uint32);
+		}));
+}
+
+// JPH_ADD_ENUM_ATTRIBUTE_WITH_ALIAS
+#define JPH_ADD_ENUM_ATTRIBUTE_WITH_ALIAS(class_name, member_name, alias_name) \
+	AddSerializableAttributeEnum<decltype(class_name::member_name)>(inRTTI, offsetof(class_name, member_name), alias_name);
+
+// JPH_ADD_ENUM_ATTRIBUTE
+#define JPH_ADD_ENUM_ATTRIBUTE(class_name, member_name) \
+	JPH_ADD_ENUM_ATTRIBUTE_WITH_ALIAS(class_name, member_name, #member_name);
+
+JPH_NAMESPACE_END
+
+#else
+
+#define JPH_ADD_ENUM_ATTRIBUTE_WITH_ALIAS(...)
+#define JPH_ADD_ENUM_ATTRIBUTE(...)
+
+#endif // JPH_OBJECT_STREAM