311 lines
11 KiB
Ucode
311 lines
11 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class LensFlare extends Object
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native(LensFlare)
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dontcollapsecategories
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hidecategories(Object);
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/**
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* Helper for getting curves from distributions
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*/
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struct native transient LensFlareElementCurvePair
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{
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var string CurveName;
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var object CurveObject;
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};
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/**
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* LensFlare Element
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*/
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struct native LensFlareElement
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{
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/**
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* The name of the element. (Optional)
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*/
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var() name ElementName;
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/**
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* The position along the ray from the source to the viewpoint to render the flare at.
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* 0.0 = At the source
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* 1.0 = The source point reflected about the view center.
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* < 0 = The point along the ray going away from the center past the source.
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* > 1 = The point along the ray beyond the 'end point' of the ray reflection.
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*/
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var() float RayDistance;
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/**
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* Whether the element is enabled or not
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*/
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var() bool bIsEnabled;
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/**
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* Whether the element value look ups should use the radial distance
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* from the center to the edge of the screen or the ratio of the distance
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* from the source element.
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*/
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var() bool bUseSourceDistance;
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/**
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* Whether the radial distance should be normalized to a unit value.
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* Without this, the radial distance will be 0..1 in the horizontal and vertical cases.
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* It will be 0..1.4 in the corners.
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*/
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var() bool bNormalizeRadialDistance;
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/**
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* Whether the element color value should be scaled by the source color.
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*/
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var() bool bModulateColorBySource;
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/**
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* The 'base' size of the element
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*/
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var() vector Size;
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/**
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* The material(s) to use for the flare element.
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*/
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var(Material) array<MaterialInterface> LFMaterials;
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/**
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* Each of the following properties are accessed based on the radial distance from the
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* center of the screen to the edge.
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* <1 = Opposite the ray direction
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* 0 = Center view
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* 1 = Edge of screen
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* >1 = Outside of screen edge
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*/
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/** Index of the material to use from the LFMaterial array. */
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var(Material) rawdistributionfloat LFMaterialIndex;
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/** Global scaling. */
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var(Scaling) rawdistributionfloat Scaling;
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/** Anamorphic scaling. */
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var(Scaling) rawdistributionvector AxisScaling;
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/** Rotation. */
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var(Rotation) rawdistributionfloat Rotation;
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/** If TRUE, always rotate the element to orient towards the source */
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var(Rotation) bool bOrientTowardsSource;
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/** Color (passed to the element material via the VertexColor expression) */
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var(Color) rawdistributionvector Color;
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/** Alpha (passed to the element material via the VertexColor expression) */
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var(Color) rawdistributionfloat Alpha;
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/** Offset. */
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var(Offset) rawdistributionvector Offset;
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/** Source to camera distance scaling. */
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/** Value to scale the AxisScaling by. Uses source to camera distance to look up the value (in Unreal units) */
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var(Scaling) rawdistributionvector DistMap_Scale;
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/** Value to scale the Color by. Uses source to camera distance to look up the value (in Unreal units) */
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var(Scaling) rawdistributionvector DistMap_Color;
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/** Value to scale the Alpha by. Uses source to camera distance to look up the value (in Unreal units) */
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var(Scaling) rawdistributionfloat DistMap_Alpha;
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structcpptext
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{
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void GetCurveObjects(TArray<FLensFlareElementCurvePair>& OutCurves);
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void DuplicateDistribution_Float(const FRawDistributionFloat& SourceDist, UObject* Outer, FRawDistributionFloat& NewDist);
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void DuplicateDistribution_Vector(const FRawDistributionVector& SourceDist, UObject* Outer, FRawDistributionVector& NewDist);
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UBOOL DuplicateFromSource(const FLensFlareElement& InSource, UObject* Outer);
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UObject* GetCurve(FString& CurveName);
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}
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structdefaultproperties
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{
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RayDistance=0.0
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bNormalizeRadialDistance=true
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Begin Object Class=DistributionFloatConstant Name=DistributionLFMaterialIndex
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Constant=0.0;
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End Object
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LFMaterialIndex=(Distribution=DistributionLFMaterialIndex)
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Begin Object Class=DistributionFloatConstant Name=DistributionScaling
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Constant=1.0;
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End Object
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Scaling=(Distribution=DistributionScaling)
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Begin Object Class=DistributionVectorConstant Name=DistributionAxisScaling
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Constant=(X=1.0,Y=1.0,Z=0.0)
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End Object
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AxisScaling=(Distribution=DistributionAxisScaling)
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Begin Object Class=DistributionFloatConstant Name=DistributionRotation
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Constant=1.0;
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End Object
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Rotation=(Distribution=DistributionRotation)
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Begin Object Class=DistributionVectorConstant Name=DistributionColor
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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Color=(Distribution=DistributionColor)
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Begin Object Class=DistributionFloatConstant Name=DistributionAlpha
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Constant=1.0f;
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End Object
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Alpha=(Distribution=DistributionAlpha)
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Begin Object Class=DistributionVectorConstant Name=DistributionOffset
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Constant=(X=0.0,Y=0.0,Z=0.0)
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End Object
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Offset=(Distribution=DistributionOffset)
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Begin Object Class=DistributionVectorConstant Name=DistributionDistMap_Scale
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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DistMap_Scale=(Distribution=DistributionDistMap_Scale)
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Begin Object Class=DistributionVectorConstant Name=DistributionDistMap_Color
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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DistMap_Color=(Distribution=DistributionDistMap_Color)
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Begin Object Class=DistributionFloatConstant Name=DistributionDistMap_Alpha
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Constant=1.0f;
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End Object
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DistMap_Alpha=(Distribution=DistributionDistMap_Alpha)
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}
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};
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/** The Source of the lens flare */
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var editinline export LensFlareElement SourceElement;
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/** The StaticMesh to use as the source (optional) */
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var(Source) StaticMesh SourceMesh;
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/** The scene depth priority group to draw the source primitive in. */
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var const ESceneDepthPriorityGroup SourceDPG;
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/** The individual reflection elements of the lens flare */
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var editinline export array<LensFlareElement> Reflections;
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/** The scene depth priority group to draw the reflection primitive(s) in. */
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var(Reflections) const ESceneDepthPriorityGroup ReflectionsDPG;
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/** Viewing cone angles. */
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var(Visibility) float OuterCone;
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var(Visibility) float InnerCone;
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var(Visibility) float ConeFudgeFactor;
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var(Visibility) float Radius;
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/** When true the new algorithm is used (NOTE: The new algorithm does not use ConeFudgeFactor). */
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var(Visibility) bool bUseTrueConeCalculation;
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/** (New Algorithm only) If this is non-zero the lens flare will always draw with at least the strength specified, even behind or outside outer cone. */
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var(Visibility) float MinStrength;
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/** Occlusion. */
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/**
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* The mapping of screen coverage percentage (the result returned by occlusion checks)
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* to the value passed into the materials for LensFlareOcclusion.
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*/
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var(Occlusion) rawdistributionfloat ScreenPercentageMap;
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/**
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* If TRUE, use the given bounds.
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* If FALSE and a static mesh is set for the source, the static mesh bounds will be used.
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* If FALSE and no static mesh is set, it will use the default bounds (likely not a good thing).
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*/
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var(Bounds) bool bUseFixedRelativeBoundingBox;
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/** The fixed bounding box to use when bUseFixedRelativeBoundingBox is TRUE */
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var(Bounds) box FixedRelativeBoundingBox;
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/** Debugging helpers */
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var(Debug) bool bRenderDebugLines;
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/** Used for curve editor to remember curve-editing setup. */
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var export InterpCurveEdSetup CurveEdSetup;
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/** Internal variable used to initialize new entries in the Reflectsions array */
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var transient int ReflectionCount;
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/** The angle to use when rendering the thumbnail image */
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var rotator ThumbnailAngle;
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/** The distance to place the system when rendering the thumbnail image */
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var float ThumbnailDistance;
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/** Internal: Indicates the thumbnail image is out of date */
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var bool ThumbnailImageOutOfDate;
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/** Internal: The thumbnail image */
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var Texture2D ThumbnailImage;
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//
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cpptext
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{
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// UObject interface.
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virtual void PreEditChange(UProperty* PropertyAboutToChange);
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual void PostLoad();
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// CurveEditor helper interface
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void AddElementCurvesToEditor(INT ElementIndex, UInterpCurveEdSetup* EdSetup);
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void RemoveElementCurvesFromEditor(INT ElementIndex, UInterpCurveEdSetup* EdSetup);
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void AddElementCurveToEditor(INT ElementIndex, FString& CurveName, UInterpCurveEdSetup* EdSetup);
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UObject* GetElementCurve(INT ElementIndex, FString& CurveName);
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//
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const FLensFlareElement* GetElement(INT ElementIndex) const;
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/** Return TRUE if element was found and bIsEnabled set to given value. */
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UBOOL SetElementEnabled(INT ElementIndex, UBOOL bInIsEnabled);
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/** Initialize the element at the given index */
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UBOOL InitializeElement(INT ElementIndex);
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/** Get the curve objects associated with the LensFlare itself */
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void GetCurveObjects(TArray<FLensFlareElementCurvePair>& OutCurves);
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}
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//
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defaultproperties
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{
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Begin Object Class=DistributionFloatConstant Name=DistributionLFMaterialIndex
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Constant=0.0;
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End Object
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Begin Object Class=DistributionFloatConstant Name=DistributionScaling
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Constant=1.0;
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End Object
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Begin Object Class=DistributionVectorConstant Name=DistributionAxisScaling
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Constant=(X=1.0,Y=1.0,Z=0.0)
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End Object
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Begin Object Class=DistributionFloatConstant Name=DistributionRotation
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Constant=0.0;
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End Object
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Begin Object Class=DistributionVectorConstant Name=DistributionColor
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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Begin Object Class=DistributionFloatConstant Name=DistributionAlpha
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Constant=1.0f;
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End Object
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Begin Object Class=DistributionVectorConstant Name=DistributionOffset
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Constant=(X=0.0,Y=0.0,Z=0.0)
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End Object
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Begin Object Class=DistributionVectorConstant Name=DistributionDistMap_Scale
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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Begin Object Class=DistributionVectorConstant Name=DistributionDistMap_Color
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Constant=(X=1.0,Y=1.0,Z=1.0)
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End Object
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Begin Object Class=DistributionFloatConstant Name=DistributionDistMap_Alpha
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Constant=1.0f;
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End Object
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SourceElement=(ElementName="Source",RayDistance=0.0,bIsEnabled=true,Size=(X=75.0f,Y=75.0f,Z=75.0f),LFMaterialIndex=(Distribution=DistributionLFMaterialIndex),Scaling=(Distribution=DistributionScaling),AxisScaling=(Distribution=DistributionAxisScaling),Rotation=(Distribution=DistributionRotation),Color=(Distribution=DistributionColor),Alpha=(Distribution=DistributionAlpha),Offset=(Distribution=DistributionOffset),DistMap_Scale=(Distribution=DistributionDistMap_Scale),DistMap_Color=(Distribution=DistributionDistMap_Color),DistMap_Alpha=(Distribution=DistributionDistMap_Alpha))
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SourceDPG=SDPG_World
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ReflectionsDPG=SDPG_Foreground
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OuterCone=0.0
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InnerCone=0.0
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ConeFudgeFactor=0.5
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Radius=0.0
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bUseTrueConeCalculation=false
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MinStrength=0.0
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Begin Object Class=DistributionFloatConstantCurve Name=DistributionScreenPercentageMap
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ConstantCurve=(Points=((InVal=0.0,OutVal=0.0),(InVal=1.0,OutVal=1.0)))
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End Object
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ScreenPercentageMap=(Distribution=DistributionScreenPercentageMap)
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}
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