alexpete
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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// include the required headers
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#include "StandardHeaders.h"
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#include "Attribute.h"
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#include "StringConversions.h"
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#include <AzCore/Memory/Memory.h>
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namespace MCore
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{
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/**
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* The float attribute class.
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* This attribute represents one float.
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*/
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class MCORE_API AttributeFloat
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: public Attribute
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{
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AZ_CLASS_ALLOCATOR_DECL
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friend class AttributeFactory;
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public:
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enum
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{
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TYPE_ID = 0x00000001
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};
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static AttributeFloat* Create(float value = 0.0f);
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// adjust values
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MCORE_INLINE float GetValue() const { return mValue; }
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MCORE_INLINE void SetValue(float value) { mValue = value; }
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MCORE_INLINE uint8* GetRawDataPointer() { return reinterpret_cast<uint8*>(&mValue); }
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MCORE_INLINE uint32 GetRawDataSize() const { return sizeof(float); }
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// overloaded from the attribute base class
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Attribute* Clone() const override { return AttributeFloat::Create(mValue); }
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const char* GetTypeString() const override { return "AttributeFloat"; }
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bool InitFrom(const Attribute* other) override;
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bool InitFromString(const AZStd::string& valueString) override
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{
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return AzFramework::StringFunc::LooksLikeFloat(valueString.c_str(), &mValue);
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}
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bool ConvertToString(AZStd::string& outString) const override { outString = AZStd::string::format("%.8f", mValue); return true; }
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uint32 GetClassSize() const override { return sizeof(AttributeFloat); }
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uint32 GetDefaultInterfaceType() const override { return ATTRIBUTE_INTERFACETYPE_FLOATSPINNER; }
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private:
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float mValue; /**< The float value. */
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uint32 GetDataSize() const override { return sizeof(float); }
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AttributeFloat()
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: Attribute(TYPE_ID)
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, mValue(0.0f) {}
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AttributeFloat(float value)
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: Attribute(TYPE_ID)
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, mValue(value) {}
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~AttributeFloat() {}
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// read from a stream
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bool ReadData(MCore::Stream* stream, MCore::Endian::EEndianType streamEndianType, uint8 version) override
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{
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MCORE_UNUSED(version);
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float streamValue;
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if (stream->Read(&streamValue, sizeof(float)) == 0)
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{
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return false;
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}
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Endian::ConvertFloat(&streamValue, streamEndianType);
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mValue = streamValue;
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return true;
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}
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};
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} // namespace MCore
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