101 lines
2.6 KiB
C
101 lines
2.6 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 "VoxelIntBox.h"
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#include "VoxelMinimal.h"
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#include "VoxelSaveStruct.h"
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#include "VoxelSpawner.generated.h"
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class FVoxelConstDataAccelerator;
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class FVoxelSpawnerManager;
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class FVoxelSpawnerProxy;
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class FVoxelData;
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class AVoxelSpawnerActor;
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class UVoxelSpawner;
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namespace FVoxelSpawnersSaveVersion
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{
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enum Type : int32
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{
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BeforeCustomVersionWasAdded,
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SHARED_PlaceableItemsInSave,
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SHARED_AssetItemsImportValueMaterials,
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SHARED_DataAssetScale,
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SHARED_RemoveVoxelGrass,
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SHARED_DataAssetTransform,
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SHARED_RemoveEnableVoxelSpawnedActorsEnableVoxelGrass,
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SHARED_FoliagePaint,
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SHARED_ValueConfigFlagAndSaveGUIDs,
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SHARED_SingleValues,
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SHARED_NoVoxelMaterialInHeightmapAssets,
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SHARED_FixMissingMaterialsInHeightmapAssets,
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SHARED_AddUserFlagsToSaves,
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StoreSpawnerMatricesRelativeToComponent,
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SHARED_StoreMaterialChannelsIndividuallyAndRemoveFoliage,
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// -----<new versions can be added above this line>-------------------------------------------------
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VersionPlusOne,
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LatestVersion = VersionPlusOne - 1
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};
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}
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struct VOXEL_API FVoxelSpawnersSaveImpl
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{
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FVoxelSpawnersSaveImpl() = default;
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bool Serialize(FArchive& Ar);
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bool operator==(const FVoxelSpawnersSaveImpl& Other) const
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{
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return Guid == Other.Guid;
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}
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private:
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// Version of FVoxelSpawnerSave, not of the compressed data!
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int32 Version;
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FGuid Guid;
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TArray<uint8> CompressedData;
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friend class FVoxelSpawnerManager;
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};
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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UCLASS(Abstract)
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class VOXEL_API UVoxelSpawner : public UObject
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{
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GENERATED_BODY()
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public:
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// Average distance between the instances, in voxels
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// Num Instances = Area in voxels / Square(DistanceBetweenInstancesInVoxel)
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// Not a density because the values would be too small to store in a float
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UPROPERTY(EditAnywhere, Category = "General Settings", meta = (ClampMin = 0))
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float DistanceBetweenInstancesInVoxel = 10;
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// Use this if you create the spawner at runtime
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UPROPERTY(Transient)
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uint32 SeedOverride = 0;
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public:
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#if WITH_EDITOR
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virtual bool NeedsToRebuild(UObject* Object, const FPropertyChangedEvent& PropertyChangedEvent) { return false; }
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#endif
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};
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USTRUCT(BlueprintType, Category = Voxel)
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struct VOXEL_API FVoxelSpawnersSave
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#if CPP
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: public TVoxelSaveStruct<FVoxelSpawnersSaveImpl>
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#endif
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{
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GENERATED_BODY()
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};
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DEFINE_VOXEL_SAVE_STRUCT(FVoxelSpawnersSave)
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