92 lines
3.0 KiB
Ucode
92 lines
3.0 KiB
Ucode
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/**
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* Base class for all variables used by SequenceOps.
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class SequenceVariable extends SequenceObject
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native(Sequence)
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abstract;
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cpptext
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{
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// UObject interface
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual UObject** GetObjectRef( INT Idx )
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{
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return NULL;
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}
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virtual FString GetValueStr()
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{
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return FString(TEXT("Undefined"));
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}
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/**
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* Used for property exposure to variable links, allows variables
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* to determine what types they can support.
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*/
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virtual UBOOL SupportsProperty(UProperty *Property)
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{
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return FALSE;
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}
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/**
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* Returns whether this SequenceObject can exist in a sequence without being linked to anything else (i.e. does not require
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* another sequence object to activate it)
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*/
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virtual UBOOL IsStandalone() const;
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/**
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* Copies the value stored by this SequenceVariable to the SequenceOp member variable that it's associated with.
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*
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* @param Op the sequence op that contains the value that should be copied from this sequence variable
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* @param Property the property in Op that will receive the value of this sequence variable
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* @param VarLink the variable link in Op that this sequence variable is linked to
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*/
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virtual void PublishValue(USequenceOp *Op, UProperty *Property, FSeqVarLink &VarLink) {}
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/**
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* Copy the value from the member variable this VariableLink is associated with to this VariableLink's value.
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*
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* @param Op the sequence op that contains the value that should be copied to this sequence variable
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* @param Property the property in Op that contains the value to copy into this sequence variable
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* @param VarLink the variable link in Op that this sequence variable is linked to
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*/
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virtual void PopulateValue(USequenceOp *Op, UProperty *Property, FSeqVarLink &VarLink) {}
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/**
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* Allows the sequence variable to execute additional logic after copying values from the SequenceOp's members to the sequence variable.
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*
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* @param SourceOp the sequence op that contains the value that should be copied to this sequence variable
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* @param VarLink the variable link in Op that this sequence variable is linked to
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*/
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virtual void PostPopulateValue( USequenceOp* SourceOp, FSeqVarLink& VarLink ) {}
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protected:
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virtual void ConvertObjectInternal(USequenceObject* NewSeqObj, INT LinkIdx = -1);
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public:
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#if WITH_EDITOR
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// USequenceObject interface
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virtual void DrawSeqObj(FCanvas* Canvas, UBOOL bSelected, UBOOL bMouseOver, INT MouseOverConnType, INT MouseOverConnIndex, FLOAT MouseOverTime);
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virtual FIntRect GetSeqObjBoundingBox();
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FIntPoint GetVarConnectionLocation();
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// USequenceVariable interface
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virtual void DrawExtraInfo(FCanvas* Canvas, const FVector& CircleCenter) {}
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#endif
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}
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/** This is used by SeqVar_Named to find a variable anywhere in the levels sequence. */
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var() name VarName;
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defaultproperties
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{
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ObjName="Undefined Variable"
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ObjColor=(R=0,G=0,B=0,A=255) // black
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bDrawLast=true
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}
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