第一次提交

Source/PHY/Private/Anim/RetargeterAnim.cpp

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+// 
+
+
+#include "RetargeterAnim.h"
+
+#include "Components/RetargeterComponent.h"
+#include "Retargeter/IKRetargeter.h"
+
+void URetargeterAnim::NativeInitializeAnimation()
+{
+	Super::NativeInitializeAnimation();
+	
+	// 尝试从拥有者获取RetargeterComponent
+	if (const AActor* Owner = GetOwningActor())
+	{
+		RetargeterComponent = Owner->FindComponentByClass<URetargeterComponent>();
+		
+		if (RetargeterComponent)
+		{
+			// 绑定到retarget改变事件
+			RetargeterComponent->OnRetargetChanged.AddDynamic(this,&URetargeterAnim::OnRetargetChanged);
+			
+			// 获取当前的retarget信息
+			CurrentRetargetInfo = RetargeterComponent->GetRetargetInfo_Implementation();
+			OnRetargetChanged(CurrentRetargetInfo);
+		}
+	}
+}
+
+void URetargeterAnim::BeginDestroy()
+{
+	// 解绑代理以防止内存泄漏
+	if (RetargeterComponent)
+	{
+		RetargeterComponent->OnRetargetChanged.RemoveDynamic(this, &URetargeterAnim::OnRetargetChanged);
+		RetargeterComponent = nullptr;
+	}
+	
+	Super::BeginDestroy();
+}
+
+void URetargeterAnim::OnRetargetChanged(const FRetargetInfo& NewRetargetInfo)
+{
+	CurrentRetargetInfo = NewRetargetInfo;
+	if (!CurrentRetargetInfo.Retargeter.IsNull())
+	{
+		IkRetargeter = CurrentRetargetInfo.Retargeter.LoadSynchronous();
+	}
+}
+

Source/PHY/Private/Anim/RetargeterAnim.h

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+// 
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Animation/AnimInstance.h"
+#include "Gameplay/PHYGameInstance.h"
+#include "RetargeterAnim.generated.h"
+
+struct FRetargetProfile;
+struct FRetargetInfo;
+
+class URetargeterComponent;
+
+/**
+ * Retargeter动画实例，用于处理角色网格的IK retarget逻辑
+ */
+UCLASS()
+class PHY_API URetargeterAnim : public UAnimInstance
+{
+	GENERATED_BODY()
+	
+protected:
+	virtual void NativeInitializeAnimation() override;
+	virtual void BeginDestroy() override;
+	
+private:
+	/** 当前的retarget信息 */
+	FRetargetInfo CurrentRetargetInfo;
+	
+	/** IK Retargeter实例 */
+	UPROPERTY(BlueprintReadOnly, Category = "PHY|Retargeter", meta = (AllowPrivateAccess = "true"))
+	UIKRetargeter* IkRetargeter;
+	
+	/** Retargeter组件的引用 */
+	UPROPERTY()
+	TObjectPtr<URetargeterComponent> RetargeterComponent;
+	
+	/** 当retarget信息改变时调用 */
+	UFUNCTION()
+	void OnRetargetChanged(const FRetargetInfo& NewRetargetInfo);
+	
+};