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3fa40ac5b0
Was getting warnings about duplicate property name. Renamed for now. Will rename back once data is updated. #codereview olaf.piesche [CL 2592127 by Simon Tovey in Main branch]
103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "NiagaraConstantSet.h"
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#include "NiagaraScriptConstantData.generated.h"
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USTRUCT()
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struct FNiagaraScriptConstantData
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{
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GENERATED_USTRUCT_BODY()
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/** The set of external constants for this script. */
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UPROPERTY()
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FDeprecatedNiagaraConstants ExternalConstants_DEPRECATED;
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UPROPERTY()
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FDeprecatedNiagaraConstants InternalConstants_DEPRECATED;
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/** Constants driven by the system. Named New for BC reasons. Once all data is updated beyond VER_UE4_NIAGARA_DATA_OBJECT_DEV_UI_FIX. Get rid of the deprecated consts and rename the New. */
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UPROPERTY()
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FNiagaraConstants ExternalConstantsNew;
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/** The set of internal constants for this script. Named New for BC reasons. Once all data is updated beyond VER_UE4_NIAGARA_DATA_OBJECT_DEV_UI_FIX. Get rid of the deprecated consts and rename the New. */
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UPROPERTY()
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FNiagaraConstants InternalConstantsNew;
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void Empty()
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{
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ExternalConstantsNew.Empty();
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InternalConstantsNew.Empty();
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}
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FNiagaraConstants& GetExternalConstants(){ return ExternalConstantsNew; }
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/** Fill a constants table ready for use in an update or spawn. */
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void FillConstantTable(const FNiagaraConstantMap& ExternalConstantsMap, TArray<FVector4>& OutConstantTable, TArray<UNiagaraDataObject *> &DataObjTable) const
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{
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//First up in the table comes the External constants in scalar->vector->matrix order.
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//Only fills the constants actually used by the script.
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OutConstantTable.Empty();
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ExternalConstantsNew.AppendToConstantsTable(OutConstantTable, ExternalConstantsMap);
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ExternalConstantsNew.AppendExternalBufferConstants(DataObjTable, ExternalConstantsMap);
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//Next up add all the internal constants from the script.
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InternalConstantsNew.AppendToConstantsTable(OutConstantTable);
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InternalConstantsNew.AppendBufferConstants(DataObjTable);
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}
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template<typename T>
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void SetOrAddInternal(const FNiagaraVariableInfo& Constant, const T& Value)
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{
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InternalConstantsNew.SetOrAdd(Constant, Value);
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}
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template<typename T>
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void SetOrAddExternal(const FNiagaraVariableInfo& Constant, const T& Value)
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{
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ExternalConstantsNew.SetOrAdd(Constant, Value);
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}
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/**
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Calculates the index into a a constant table created from this constant data for the given constant name.
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Obviously, assumes the constant data is complete. Any additions etc will invalidate previously calculated indexes.
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*/
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void GetTableIndex(const FNiagaraVariableInfo& Constant, bool bInternal, int32& OutConstantIdx, int32& OutComponentIndex, ENiagaraDataType& OutType)const
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{
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int32 Base = bInternal ? ExternalConstantsNew.GetTableSize() : 0;
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int32 ConstIdx = INDEX_NONE;
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int32 CompIdx = INDEX_NONE;
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ENiagaraDataType Type;
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const FNiagaraConstants& Consts = bInternal ? InternalConstantsNew : ExternalConstantsNew;
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ConstIdx = Consts.GetAbsoluteIndex_Scalar(Constant);
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Type = ENiagaraDataType::Scalar;
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if (ConstIdx == INDEX_NONE)
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{
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ConstIdx = Consts.GetTableIndex_Vector(Constant);
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Type = ENiagaraDataType::Vector;
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if (ConstIdx == INDEX_NONE)
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{
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ConstIdx = Consts.GetTableIndex_Matrix(Constant);
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Type = ENiagaraDataType::Matrix;
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if (ConstIdx == INDEX_NONE) // curves/buffers are in a separate table, so set base to 0
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{
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ConstIdx = Consts.GetTableIndex_DataObj(Constant);
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Type = ENiagaraDataType::Curve;
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Base = 0;
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}
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}
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}
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else
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{
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CompIdx = ConstIdx % 4;
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ConstIdx /= 4;
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}
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OutConstantIdx = Base + ConstIdx;
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OutComponentIndex = CompIdx;
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OutType = Type;
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}
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};
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