UnrealEngineUWP/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/Physics/CollisionPropertySets.h

// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "InteractiveTool.h"
#include "Engine/Classes/PhysicsEngine/AggregateGeom.h"
#include "BodySetupEnums.h"
#include "CollisionPropertySets.generated.h"


class FPhysicsDataCollection;


UENUM()
enum class ECollisionGeometryMode
{
	/** Use project physics settings (DefaultShapeComplexity) */
	Default = CTF_UseDefault,
	/** Create both simple and complex shapes. Simple shapes are used for regular scene queries and collision tests. Complex shape (per poly) is used for complex scene queries.*/
	SimpleAndComplex = CTF_UseSimpleAndComplex,
	/** Create only simple shapes. Use simple shapes for all scene queries and collision tests.*/
	UseSimpleAsComplex = CTF_UseSimpleAsComplex,
	/** Create only complex shapes (per poly). Use complex shapes for all scene queries and collision tests. Can be used in simulation for static shapes only (i.e can be collided against but not moved through forces or velocity.) */
	UseComplexAsSimple = CTF_UseComplexAsSimple
};


USTRUCT()
struct MESHMODELINGTOOLSEXP_API FPhysicsSphereData
{
	GENERATED_BODY()

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	float Radius = 0.0f;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FTransform Transform;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FKShapeElem Element;
};

USTRUCT()
struct MESHMODELINGTOOLSEXP_API FPhysicsBoxData
{
	GENERATED_BODY()

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FVector Dimensions = FVector::ZeroVector;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FTransform Transform;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FKShapeElem Element;
};

USTRUCT()
struct MESHMODELINGTOOLSEXP_API FPhysicsCapsuleData
{
	GENERATED_BODY()

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	float Radius = 0.0f;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	float Length = 0.0f;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FTransform Transform;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FKShapeElem Element;
};

USTRUCT()
struct MESHMODELINGTOOLSEXP_API FPhysicsConvexData
{
	GENERATED_BODY()

	UPROPERTY(VisibleAnywhere, Category = Convex)
	int32 NumVertices = 0;

	UPROPERTY(VisibleAnywhere, Category = Convex)
	int32 NumFaces = 0;

	UPROPERTY(VisibleAnywhere, Category = Sphere)
	FKShapeElem Element;
};


UCLASS()
class MESHMODELINGTOOLSEXP_API UPhysicsObjectToolPropertySet : public UInteractiveToolPropertySet
{
	GENERATED_BODY()
public:
	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	FString ObjectName;

	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	ECollisionGeometryMode CollisionType;

	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	TArray<FPhysicsSphereData> Spheres;

	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	TArray<FPhysicsBoxData> Boxes;

	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	TArray<FPhysicsCapsuleData> Capsules;

	UPROPERTY(VisibleAnywhere, Category = PhysicsData)
	TArray<FPhysicsConvexData> Convexes;

	void Reset();
};




UCLASS()
class MESHMODELINGTOOLSEXP_API UCollisionGeometryVisualizationProperties : public UInteractiveToolPropertySet
{
	GENERATED_BODY()
public:

	UPROPERTY(EditAnywhere, Category = "Collision Visualization")
	float LineThickness = 3.0f;

	UPROPERTY(EditAnywhere, Category = "Collision Visualization")
	bool bShowHidden = false;

	UPROPERTY(EditAnywhere, Category = "Collision Visualization")
	FColor Color = FColor::Red;
};




namespace UE
{
	namespace PhysicsTools
	{
		void InitializePhysicsToolObjectPropertySet(const FPhysicsDataCollection* PhysicsData, UPhysicsObjectToolPropertySet* PropSet);
	}
}