// Copyright 2020 Phyronnaz

#pragma once

#include "CoreMinimal.h"
#include "VoxelTools/Tools/VoxelToolBase.h"
#include "VoxelLevelTool.generated.h"

UCLASS()
class VOXEL_API UVoxelLevelTool : public UVoxelToolBase
{
	GENERATED_BODY()

public:
	UPROPERTY(Category = "Tool Preview Settings", EditAnywhere, BlueprintReadWrite, meta = (HideInPanel))
	TObjectPtr<UMaterialInterface> ToolMaterial = nullptr;

	UPROPERTY(Category = "Tool Preview Settings", EditAnywhere, BlueprintReadWrite, meta = (HideInPanel))
	TObjectPtr<UStaticMesh> CylinderMesh = nullptr;

public:
	UPROPERTY(Category = "Tool Settings", EditAnywhere, BlueprintReadWrite, meta = (UIMin = "0", UIMax = "1"))
	float Falloff = 0.1;

	UPROPERTY(Category = "Tool Settings", EditAnywhere, BlueprintReadWrite, meta = (UIMin = "0", UIMax = "10000"))
	float Height = 1000.f;

	// Offset, relative to the height
	UPROPERTY(Category = "Tool Settings", EditAnywhere, BlueprintReadWrite, meta = (UIMin = "0", UIMax = "1"))
	float Offset = 1.f;
	
	// Relative to the radius
	UPROPERTY(Category = "Tool Settings", EditAnywhere, BlueprintReadWrite, meta = (UIMin=0, UIMax=1))
	float Stride = 0.f;

public:
	UVoxelLevelTool();
	
	//~ Begin UVoxelToolBase Interface
	virtual void GetToolConfig(FVoxelToolBaseConfig& OutConfig) const override;
	virtual void Tick() override;
	virtual void UpdateRender(UMaterialInstanceDynamic* OverlayMaterialInstance, UMaterialInstanceDynamic* MeshMaterialInstance) override;
	virtual FVoxelIntBoxWithValidity DoEdit() override;
	//~ End UVoxelToolBase Interface

private:
	FVector GetToolOffset() const;
};