Water

How to get the unreal watersystem programmable?

Documentation water

Different classes used for water

AActor

AWaterBody (file WaterbodyActor.h)

AWaterBodyRiver (file WaterBodyRiverActor.h)
This file also includes URiverGenerator

AMyWaterBodyRiver

AWaterMeshActor

UWaterSplineMetaData

functions:

virtual void InsertPoint(int32 Index, float t, bool bClosedLoop) override;
/** Update point at index by lerping metadata between previous and next key values */
virtual void UpdatePoint(int32 Index, float t, bool bClosedLoop) override;
virtual void AddPoint(float InputKey) override;
virtual void RemovePoint(int32 Index) override;
virtual void DuplicatePoint(int32 Index) override;
virtual void CopyPoint(const USplineMetadata* FromSplineMetadata, int32 FromIndex, int32 ToIndex) override;
virtual void Reset(int32 NumPoints) override;
virtual void Fixup(int32 NumPoints, USplineComponent* SplineComp) override;

FInterpCurvefloat is a struct

FInterpCurve

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