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| <title>DataConfig 1.5 & 1.6 with UE 5.4 support - slowburn.dev </title> | ||
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| <meta name="description" content="DataConfig 1.5 and 1.6 release with UE 5.4 support, adding optional property support, core types serializers and blueprint nodes"> | ||
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| <h1>DataConfig 1.5 & 1.6 with UE 5.4 support</h1> | ||
| <span class="alt after-h1">2024-03-31</span> | ||
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| <h2 id="intro">Intro<a class="zola-anchor" href="#intro"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>We just pushed <a href="https://github.com/slowburn-dev/DataConfig/releases/tag/1.6.0">DataConfig 1.6.0</a> and <a href="https://github.com/slowburn-dev/DataConfig/releases/tag/1.5.0">1.5.0</a> a month prior. Both have some cool features that we'll quickly go through here!</p> | ||
| <h2 id="blueprint-nodes">Blueprint Nodes<a class="zola-anchor" href="#blueprint-nodes"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>We now ship DataConfig Blueprint Nodes for dumping/loading JSON! I don't remember why we didn't do this in the first place but having this means that you can start trying out DataConfig without writing C++ code.</p> | ||
| <p><img src="https://slowburn.dev/dataconfig/Extra/Images/DataConfigEngineExtra-BlueprintNodes.png" alt="Blueprint Nodes" /></p> | ||
| <p>It's bundled with extra samples so you can try play it with <a href="https://slowburn.dev/dataconfig/Extra/GameplayTag">Gameplay Tag</a> and <a href="https://slowburn.dev/dataconfig/Extra/InstancedStruct">Instanced Struct</a>.</p> | ||
| <ul> | ||
| <li><a href="https://slowburn.dev/dataconfig/Extra/BlueprintNodes">Extra - Blueprint Nodes</a></li> | ||
| </ul> | ||
| <h2 id="optional-property">Optional Property<a class="zola-anchor" href="#optional-property"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>Unreal 5.4 introduced optional property that allows you to mark <code>TOptional</code> fields as <code>UPROPERTY</code>:</p> | ||
| <pre data-lang="c++" style="background-color:#ffffff;color:#4d4d4c;" class="language-c++ "><code class="language-c++" data-lang="c++"><span style="color:#999999;">// DataConfigTests54/Private/DcTestUE54.h</span><span style="color:#999999;"> | ||
| </span><span style="color:#c82829;">USTRUCT</span><span>()</span><span> | ||
| </span><span style="color:#8959a8;">struct </span><span>FDcTestOptional</span><span> | ||
| </span><span>{</span><span> | ||
| </span><span> </span><span style="color:#c82829;">GENERATED_BODY</span><span>()</span><span> | ||
| </span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<</span><span style="color:#8959a8;">float</span><span>> OptionalFloatField1;</span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<</span><span style="color:#8959a8;">float</span><span>> OptionalFloatField2;</span><span> | ||
| </span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<FString> OptionalStrField1;</span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<FString> OptionalStrField2;</span><span> | ||
| </span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<FDcInnerStruct54> OptionalStructField1;</span><span> | ||
| </span><span> </span><span style="color:#4271ae;">UPROPERTY</span><span>() TOptional<FDcInnerStruct54> OptionalStructField2;</span><span> | ||
| </span><span>};</span><span> | ||
| </span></code></pre> | ||
| <p>DataConfig fully supports this now and it works perfectly with JSON format since any JSON value can be <code>null</code>:</p> | ||
| <pre data-lang="c++" style="background-color:#ffffff;color:#4d4d4c;" class="language-c++ "><code class="language-c++" data-lang="c++"><span style="color:#999999;">// DataConfigTests54/Private/DcTestUE54.cpp</span><span style="color:#999999;"> | ||
| </span><span>FString Str </span><span style="color:#3e999f;">= </span><span style="color:#c82829;">TEXT</span><span style="color:#4271ae;">(</span><span style="color:#8959a8;">R</span><span style="color:#718c00;">"(</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> {</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalFloatField1" : 17.5,</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalFloatField2" : null,</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalStrField1" : "Alpha",</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalStrField2" : null,</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalStructField1" : {</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "StrField" : "Beta",</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "IntField" : 42</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> },</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> "OptionalStructField2" : null</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> }</span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;"> | ||
| </span><span style="color:#718c00;">)"</span><span style="color:#4271ae;">)</span><span>;</span><span> | ||
| </span><span> | ||
| </span><span style="color:#999999;">// equivalent fixture</span><span style="color:#999999;"> | ||
| </span><span>FDcTestOptional Expect;</span><span> | ||
| </span><span>Expect.</span><span style="color:#c82829;">OptionalFloatField1 </span><span style="color:#3e999f;">= </span><span style="color:#f5871f;">17.5</span><span style="color:#8959a8;">f</span><span>;</span><span> | ||
| </span><span>Expect.</span><span style="color:#c82829;">OptionalStrField1 </span><span style="color:#3e999f;">= </span><span style="color:#c82829;">TEXT</span><span style="color:#4271ae;">(</span><span style="color:#718c00;">"Alpha"</span><span style="color:#4271ae;">)</span><span>;</span><span> | ||
| </span><span>Expect.</span><span style="color:#c82829;">OptionalStructField1</span><span>.</span><span style="color:#c82829;">Emplace</span><span>();</span><span> | ||
| </span><span>Expect.</span><span style="color:#c82829;">OptionalStructField1</span><span>-></span><span style="color:#c82829;">StrField </span><span style="color:#3e999f;">= </span><span style="color:#c82829;">TEXT</span><span style="color:#4271ae;">(</span><span style="color:#718c00;">"Beta"</span><span style="color:#4271ae;">)</span><span>;</span><span> | ||
| </span><span>Expect.</span><span style="color:#c82829;">OptionalStructField1</span><span>-></span><span style="color:#c82829;">IntField </span><span style="color:#3e999f;">= </span><span style="color:#f5871f;">42</span><span>;</span><span> | ||
| </span></code></pre> | ||
| <ul> | ||
| <li><a href="https://slowburn.dev/dataconfig/Advanced/Optional">Advanced - Optional</a></li> | ||
| </ul> | ||
| <h2 id="core-types-serializers">Core Types Serializers<a class="zola-anchor" href="#core-types-serializers"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>DataConfig now comes bundled with a set of serialization handlers that read/writes core types like <code>FVector</code> into a more compact format:</p> | ||
| <pre data-lang="JSON" style="background-color:#ffffff;color:#4d4d4c;" class="language-JSON "><code class="language-JSON" data-lang="JSON"><span>{</span><span> | ||
| </span><span> </span><span style="color:#718c00;">"VecField1" </span><span>: [ </span><span style="color:#f5871f;">0</span><span>, </span><span style="color:#f5871f;">0</span><span>, </span><span style="color:#f5871f;">1</span><span>],</span><span> | ||
| </span><span> </span><span style="color:#718c00;">"ColorField1" </span><span>: </span><span style="color:#718c00;">"#000000FF"</span><span>,</span><span> | ||
| </span><span> </span><span style="color:#718c00;">"DateTimeField1" </span><span>: </span><span style="color:#718c00;">"0001.01.01-00.00.00"</span><span>,</span><span> | ||
| </span><span>}</span><span> | ||
| </span></code></pre> | ||
| <p>This works both ways in serialization and deserializations.</p> | ||
| <ul> | ||
| <li><a href="https://slowburn.dev/dataconfig/Advanced/CoreTypes">Advanced - CoreTypes</a></li> | ||
| </ul> | ||
| <h2 id="breaking-changes">Breaking Changes<a class="zola-anchor" href="#breaking-changes"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>Both versions now have some breaking changes. They're all <a href="https://slowburn.dev/dataconfig/Advanced/Breaking">documented here</a>.</p> | ||
| <h2 id="closing">Closing<a class="zola-anchor" href="#closing"> | ||
| <svg class="octicon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg> | ||
| </a></h2> | ||
| <p>Download the <a href="https://github.com/slowburn-dev/DataConfig/releases/tag/1.6.0">latest release here</a>. We'll update <a href="https://www.unrealengine.com/marketplace/en-US/product/dataconfig-json-asset">DataConfig JSON Asset</a> later when 5.4 is out.</p> | ||
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