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90 lines
3.4 KiB
C++
90 lines
3.4 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 <AzCore/Component/Component.h>
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#include <AzCore/Serialization/SerializeContext.h>
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#include <AzCore/Asset/AssetCommon.h>
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#include <AzFramework/StringFunc/StringFunc.h>
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#include "TextureAtlas/TextureAtlas.h"
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#include "TextureAtlas/TextureAtlasBus.h"
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#include <Atom/RPI.Reflect/Image/Image.h>
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#include <AtomCore/Instance/Instance.h>
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namespace TextureAtlasNamespace
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{
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struct equal_to_case_insensitive
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{
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AZ_TYPE_INFO(equal_to_case_insensitive, "{92DE03B1-B84F-4DEB-905D-CBE41DD6939D}");
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bool operator()(const AZStd::string& left, const AZStd::string& right) const
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{
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return AzFramework::StringFunc::Equal(left.data(), right.data());
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}
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};
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struct hash_case_insensitive : public AZStd::hash<AZStd::string>
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{
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AZ_TYPE_INFO(hash_case_insensitive, "{FE0F4349-D80D-4286-8874-733966A32B29}");
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inline result_type operator()(const AZStd::string& value) const
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{
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AZStd::string lowerStr = value;
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AZStd::to_lower(lowerStr.begin(), lowerStr.end());
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return hash::operator()(lowerStr);
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}
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};
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class TextureAtlasImpl: public TextureAtlas
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{
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public:
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AZ_CLASS_ALLOCATOR(TextureAtlasImpl, AZ::SystemAllocator, 0);
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AZ_TYPE_INFO(TextureAtlasImpl, "{2CA51C61-1B5F-4480-A257-F28D8944AA35}");
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TextureAtlasImpl();
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TextureAtlasImpl(AtlasCoordinateSets handles);
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~TextureAtlasImpl();
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static bool TextureAtlasVersionConverter(AZ::SerializeContext& context, AZ::SerializeContext::DataElementNode& rootElement);
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static void Reflect(AZ::ReflectContext* context);
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//! Retrieve a coordinate set from the Atlas by its handle
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AtlasCoordinates GetAtlasCoordinates(const AZStd::string& handle) const override;
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//! Links this atlas to an image pointer
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void SetTexture(AZ::Data::Instance<AZ::RPI::Image> image) override;
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//! Returns the image linked to this atlas
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AZ::Data::Instance<AZ::RPI::Image> GetTexture() const override;
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//! Replaces the mappings of this Texture Atlas Object, with the source's mappings
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void OverwriteMappings(TextureAtlasImpl* source);
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//! Returns the width of the atlas
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int GetWidth() const override { return m_width; }
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//! Sets the width of the atlas
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void SetWidth(int value) { m_width = value; }
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//! Returns the height of the atlas
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int GetHeight() const override { return m_height; }
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//! Sets the height of the atlas
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void SetHeight(int value) { m_height = value; }
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private:
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AZStd::unordered_map<AZStd::string, AtlasCoordinates, hash_case_insensitive, equal_to_case_insensitive> m_data;
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AZ::Data::Instance<AZ::RPI::Image> m_image;
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int m_width;
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int m_height;
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};
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} // namespace TextureAtlasNamespace
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