95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
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// Copyright 2020 Phyronnaz
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#pragma once
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#include "CoreMinimal.h"
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#include "VoxelSave.h"
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#include "Kismet/BlueprintFunctionLibrary.h"
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#include "VoxelSaveUtilities.generated.h"
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struct FVoxelAssetItem;
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struct FVoxelPlaceableItemLoadInfo;
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class AVoxelWorld;
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class IVoxelDataOctreeMemory;
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template<typename T>
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class TVoxelDataOctreeLeafData;
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class FVoxelSaveBuilder
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{
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public:
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explicit FVoxelSaveBuilder(int32 Depth);
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void AddChunk(
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const FIntVector& Position,
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const TVoxelDataOctreeLeafData<FVoxelValue>& Values,
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const TVoxelDataOctreeLeafData<FVoxelMaterial>& Materials)
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{
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ChunksToSave.Add({ Position, &Values, &Materials });
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}
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void AddAssetItem(const FVoxelAssetItem& AssetItem);
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void Save(FVoxelUncompressedWorldSaveImpl& OutSave, TArray<FVoxelObjectArchiveEntry>& OutObjects);
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private:
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struct FChunkToSave
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{
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FIntVector Position;
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const TVoxelDataOctreeLeafData<FVoxelValue>* Values = nullptr;
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const TVoxelDataOctreeLeafData<FVoxelMaterial>* Materials = nullptr;
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};
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const int32 Depth;
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TArray<FChunkToSave> ChunksToSave;
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TArray<FVoxelAssetItem> AssetItems;
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};
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class FVoxelSaveLoader
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{
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public:
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explicit FVoxelSaveLoader(const FVoxelUncompressedWorldSaveImpl& Save)
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: Save(Save)
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{
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}
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void ExtractChunk(
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int32 ChunkIndex,
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const IVoxelDataOctreeMemory& Memory,
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TVoxelDataOctreeLeafData<FVoxelValue>& OutValues,
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TVoxelDataOctreeLeafData<FVoxelMaterial>& OutMaterials) const;
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void GetPlaceableItems(const FVoxelPlaceableItemLoadInfo& LoadInfo, TArray<FVoxelAssetItem>& OutAssetItems);
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public:
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int32 NumChunks() const
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{
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return Save.Chunks.Num();
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}
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FIntVector GetChunkPosition(int32 ChunkIndex) const
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{
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return Save.Chunks[ChunkIndex].Position;
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}
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bool GetError() const
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{
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return bError;
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}
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private:
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const FVoxelUncompressedWorldSaveImpl& Save;
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bool bError = false;
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};
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UCLASS()
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class VOXEL_API UVoxelSaveUtilities : public UBlueprintFunctionLibrary
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{
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GENERATED_BODY()
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public:
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UFUNCTION(BlueprintCallable, Category = "Voxel|Data|Save")
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static void CompressVoxelSave(const FVoxelUncompressedWorldSave& UncompressedSave, FVoxelCompressedWorldSave& OutCompressedSave);
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static void CompressVoxelSave(const FVoxelUncompressedWorldSaveImpl& UncompressedSave, FVoxelCompressedWorldSaveImpl& OutCompressedSave);
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UFUNCTION(BlueprintCallable, Category = "Voxel|Data|Save")
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static bool DecompressVoxelSave(const FVoxelCompressedWorldSave& CompressedSave, FVoxelUncompressedWorldSave& OutUncompressedSave);
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static bool DecompressVoxelSave(const FVoxelCompressedWorldSaveImpl& CompressedSave, FVoxelUncompressedWorldSaveImpl& OutUncompressedSave);
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};
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