// Copyright IHY. Vertical Partition Streaming plugin.
//
// The build artifact: a data asset describing every generated cell plus a snapshot
// of the settings and volume bounds the build was run with. The runtime streamer
// consumes this; the editor builder produces it.
#pragma once

#include "CoreMinimal.h"
#include "Engine/DataAsset.h"
#include "VerticalPartitionTypes.h"
#include "VerticalPartitionDescriptor.generated.h"

UCLASS(BlueprintType)
class VERTICALPARTITION_API UVerticalPartitionDescriptor : public UDataAsset
{
	GENERATED_BODY()

public:
	/** Map this descriptor was built from (for rebuild / out-of-date checks). */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	FSoftObjectPath SourceLevel;

	/** Settings snapshot used at build time (runtime ranges may be overridden live). */
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="VerticalPartition")
	FVerticalPartitionSettings Settings;

	/** World bounds of the partition volume at build time. */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	FBox VolumeBounds = FBox(ForceInit);

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	EVerticalConversionMode BuiltMode = EVerticalConversionMode::NonDestructive;

	/** Content hash of the source actors at build time (for incremental rebuild). */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	int64 SourceContentHash = 0;

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	TArray<FVerticalCellDescriptor> Cells;

	/** Last build report (kept for the UI / Dump Report). */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="VerticalPartition")
	FVerticalPartitionBuildReport LastReport;

	/** Find a cell descriptor by id. Returns nullptr if absent. */
	const FVerticalCellDescriptor* FindCell(const FVerticalCellId& Id) const;
	int32 FindCellIndex(const FVerticalCellId& Id) const;

	bool HasFullPackages() const;
};