AsyncPluginLoader.h

/*
Warning! Experimental! No guarantees on functionality! Use at your own risk!!!!!
(Not so much on this one. I have used it and it actually functions very well, but still potentially unstable.)
*/
#pragma once

#include "FormID.h"
#include "CoreMinimal.h"
#include "Kismet/BlueprintFunctionLibrary.h"
#include "AsyncPluginLoader.generated.h"

DECLARE_DYNAMIC_DELEGATE_TwoParams(FOnPluginFileLoaded, bool, bSuccess, const TArray<uint8>&, LoadedBytes);

USTRUCT(BlueprintType)
struct FESMSubrecord
{
    GENERATED_BODY()
    UPROPERTY(BlueprintReadOnly)
    FString SubrecordType;
    UPROPERTY(BlueprintReadOnly)
    TArray<uint8> SubrecordData;
};

USTRUCT(BlueprintType)
struct FESMRecord
{
    GENERATED_BODY()
    UPROPERTY(BlueprintReadOnly)
    FString RecordType;
    UPROPERTY(BlueprintReadOnly)
    TArray<uint8> RecordData;
    UPROPERTY(BlueprintReadOnly)
    TArray<FFormID> FormIDs;
    UPROPERTY(BlueprintReadOnly)
    TArray<FESMSubrecord> Subrecords;
    UPROPERTY(BlueprintReadOnly)
    FString EditorID;
};

USTRUCT(BlueprintType)
struct FESMHeightData
{
    GENERATED_BODY()
    UPROPERTY(BlueprintReadOnly)
    float BaseHeight;
    UPROPERTY(BlueprintReadOnly)
    TArray<float> Heights; // 65x65 grid (4225 floats)
};

UCLASS()
class UAsyncPluginLoader : public UBlueprintFunctionLibrary
{
    GENERATED_BODY()
public:
    UFUNCTION(BlueprintCallable, Category = "File I/O")
    static void LoadPluginFileAsync(const FString& FilePath, const FOnPluginFileLoaded& OnLoaded);

    UFUNCTION(BlueprintCallable, Category = "ESM Parsing")
    static void ParseESMRecords(const TArray<uint8>& FileBytes, TArray<FESMRecord>& OutRecords);

    UFUNCTION(BlueprintCallable, Category = "ESM Parsing")
    static void ParseESMSubrecords(const TArray<uint8>& RecordData, TArray<FESMSubrecord>& OutSubrecords, TArray<FFormID>& OutFormIDs, FESMRecord& CurrentRecord); // Added CurrentRecord parameter

    UFUNCTION(BlueprintCallable, Category = "ESM Parsing")
    static bool ExtractHeightData(const FESMRecord& Record, FESMHeightData& OutHeightData);
};