83 lines
2.2 KiB
C
83 lines
2.2 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 "Templates/SubclassOf.h"
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#include "VoxelToolManager.generated.h"
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class UVoxelToolSharedConfig;
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class UVoxelTool;
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UCLASS(BlueprintType, Blueprintable)
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class VOXEL_API UVoxelToolManager : public UObject
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{
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GENERATED_BODY()
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public:
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UVoxelToolManager();
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private:
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UPROPERTY()
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TObjectPtr<UVoxelToolSharedConfig> SharedConfig = nullptr;
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public:
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools", meta = (DisplayName = "Get Shared Config"))
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UVoxelToolSharedConfig* K2_GetSharedConfig() const { return SharedConfig; }
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UVoxelToolSharedConfig& GetSharedConfig() const { check(SharedConfig); return *SharedConfig; }
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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UVoxelTool* GetActiveTool() const { return ActiveTool; }
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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const TArray<UVoxelTool*>& GetTools() const { return Tools; }
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public:
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// If bLoadBlueprints is true, all the blueprints inheriting from VoxelTool will be force loaded
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// If false, tools whose blueprints are not loaded won't show up
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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void CreateDefaultTools(bool bLoadBlueprints = false);
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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void SetActiveTool(UVoxelTool* NewActiveTool);
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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void SetActiveToolByClass(TSubclassOf<UVoxelTool> NewActiveTool);
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UFUNCTION(BlueprintCallable, Category = "Voxel|Tools")
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void SetActiveToolByName(FName NewActiveTool);
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public:
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template<typename T>
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T* GetActiveTool() const
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{
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return Cast<T>(ActiveTool);
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}
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template<typename T>
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void SetActiveTool()
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{
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static_assert(TIsDerivedFrom<T, UVoxelTool>::IsDerived, "T must be derived from UVoxelTool");
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SetActiveToolByClass(T::StaticClass());
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}
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template<typename T>
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T& GetOrSetActiveTool()
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{
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static_assert(TIsDerivedFrom<T, UVoxelTool>::IsDerived, "T must be derived from UVoxelTool");
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if (auto* Tool = Cast<T>(ActiveTool))
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{
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return *Tool;
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}
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SetActiveTool<T>();
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return *CastChecked<T>(ActiveTool);
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}
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private:
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UPROPERTY(Transient)
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TObjectPtr<UVoxelTool> ActiveTool = nullptr;
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UPROPERTY(Transient)
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TArray<TObjectPtr<UVoxelTool>> Tools;
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};
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