vault backup: 2024-10-12 17:19:45
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# Keywords
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- **功能描述:** 设定FRigUnit蓝图节点在右键菜单中的关键字,方便输入查找。
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- **使用位置:** USTRUCT
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- **引擎模块:** RigVMStruct
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- **元数据类型:** strings="a,b,c"
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- **限制类型:** FRigUnit
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- **常用程度:** ★★★
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设定FRigUnit蓝图节点在右键菜单中的关键字,方便输入查找。
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同Function上的Keywords有一样的作用。
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## 测试代码:
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```cpp
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USTRUCT(meta = (DisplayName = "MyRigKeywords",Keywords="MyKey,OtherWord"))
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struct INSIDER_API FRigUnit_MyRigKeywords: public FRigUnit
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{
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GENERATED_BODY()
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RIGVM_METHOD()
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virtual void Execute() override;
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public:
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UPROPERTY(meta = (Input))
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float MyFloat_Input = 123.f;
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UPROPERTY(meta = (Output))
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float MyFloat_Output = 123.f;
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};
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```
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## 测试效果:
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在输入Keywords中的字符的时候,也可以找到该节点。
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## 原理:
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```cpp
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URigVMEdGraphUnitNodeSpawner* URigVMEdGraphUnitNodeSpawner::CreateFromStruct(UScriptStruct* InStruct, const FName& InMethodName, const FText& InMenuDesc, const FText& InCategory, const FText& InTooltip)
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{
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FString KeywordsMetadata, TemplateNameMetadata;
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InStruct->GetStringMetaDataHierarchical(FRigVMStruct::KeywordsMetaName, &KeywordsMetadata);
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if(!TemplateNameMetadata.IsEmpty())
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{
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if(KeywordsMetadata.IsEmpty())
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{
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KeywordsMetadata = TemplateNameMetadata;
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}
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else
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{
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KeywordsMetadata = KeywordsMetadata + TEXT(",") + TemplateNameMetadata;
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}
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}
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MenuSignature.Keywords = FText::FromString(KeywordsMetadata);
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}
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```
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