ExternalPhysicsCustomObjectVersion.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreTypes.h"
#include "Misc/Guid.h"
 
// Custom serialization version for changes made in Fortnite-Dev-Physics stream
struct FExternalPhysicsCustomObjectVersion
{
    enum Type
    {
        // Before any version changes were made
        BeforeCustomVersionWasAdded = 0,
 
        // Format change, Removed Convex Hulls From Triangle Mesh Implicit Object
        RemovedConvexHullsFromTriangleMeshImplicitObject,
 
        // Add serialization for particle bounds
        SerializeParticleBounds,
 
        // Add BV serialization for evolution
        SerializeEvolutionBV,
 
        // Allow evolution to swap acceleration structures
        SerializeEvolutionGenericAcceleration,
 
        //Global elements have bounds so we can skip them
        GlobalElementsHaveBounds,
 
        //SpatialIdx serialized
        SpatialIdxSerialized,
 
        //Save out heightfield data
        HeightfieldData,
 
        //Save out multiple acceleration structures
        SerializeMultiStructures,
 
        // Add kinematic targets to TKinematicGeometryParticles
        KinematicTargets,
        
        // Allow trimeshes to serialize their acceleration structure
        TrimeshSerializesBV,
 
        // Serialize broadphase type
        SerializeBroadphaseType,
 
        // Allow scaled geometry to be a concrete type
        ScaledGeometryIsConcrete,
 
        // Trimeshes serialize AABBTree
        TrimeshSerializesAABBTree,
        
        // Adds Serialization of HashResult, and separates delete/update TAccelerationStructureHandle in FPendingSpatialData
        SerializeHashResult,
 
        // Only serialize internal acceleration structure queue and acceleration structure. No external/Async queues.
        FlushEvolutionInternalAccelerationQueue,
 
        // Serialize world space bounds of TPerShapeData
        SerializeShapeWorldSpaceBounds,
 
        // Add an SOA which contains particles with full dynamic data but which are in the kinematic object state.
        AddDynamicKinematicSOA,
 
        // Added material manager to Chaos
        AddedMaterialManager,
 
        // Added material indices to trimesh collision data
        AddTrimeshMaterialIndices,
 
        // Add center of mass and volume cached calculations to TConvex
        AddConvexCenterOfMassAndVolume,
 
        // Add mass transform data to kinematic particle
        KinematicCentersOfMass,
 
        // Added ability to remove shapes from collision resolution (will not construct constraints when one or more shapes removed)
        AddShapeCollisionDisable,
 
        //Heightfield cell bounds are implicit
        HeightfieldImplicitBounds,
 
        // Add damping to rigid particles
        AddDampingToRigids,
 
        //Replace TBox with TAABB in many places
        TBoxReplacedWithTAABB,
 
        // Serialize bSimulate on PerShapeData
        SerializePerShapeDataSimulateFlag,
 
        // Serialize whether or not an AABBTree is immutable
        ImmutableAABBTree,
 
        // Trimeshes can now use small indices
        TrimeshCanUseSmallIndices,
 
        // Union objects can avoid allocating a full hierarchy
        UnionObjectsCanAvoidHierarchy,
 
        // Capsules no longer have a union inside them or stored aabbs
        CapsulesNoUnionOrAABBs,
 
        // Convexes use concrete planes
        ConvexUsesTPlaneConcrete,
 
        // Heightfield uses uint16 heights directly
        HeightfieldUsesHeightsDirectly,
 
        // TriangleMesh has map from internal face indices to external.
        TriangleMeshHasFaceIndexMap,
 
        // Acceleration structures use unique payload idx
        UniquePayloadIdx,
    
        // Added serialization for the collision type in the shape
        SerializeCollisionTraceType,
 
        // Force rebuild of indices in BodySetup
        ForceRebuildBodySetupIndices,
 
        // Added serialization for the physics material sleep counter threshold
        PhysicsMaterialSleepCounterThreshold,
 
        // Added ability to remove shapes from sim and/or query separately
        AddShapeSimAndQueryCollisionEnabled,
 
        // Remove extra representations of per shape sim and query enabled flags
        RemoveShapeSimAndQueryDuplicateRepresentations,
 
        // Removed unused full bounds from AABBTree
        RemovedAABBTreeFullBounds,
 
        // Added one-way interaction flag
        AddOneWayInteraction,
 
        // -----<new versions can be added above this line>-------------------------------------------------
        VersionPlusOne,
        LatestVersion = VersionPlusOne - 1
    };
 
    // The GUID for this custom version number
    CORE_API const static FGuid GUID;
 
private:
    FExternalPhysicsCustomObjectVersion() {}
};