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Blueprint(UE4): Node Reference | Ecosystem and Plug-ins

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Blueprint(UE4): Node Reference

General Substance Nodes:

NameInputsDescription
GetSubstancesMaterialReturns an array of Substance Graph Instances used by a material. If you create a material that uses texture outputs from two different graph instance, this function will return those two graph instances.
GetSubstanceTexturesSubstanceGraphInstance

Returns an array of all enabled and currently computed textures from the Substance Graph Instance input parameter.

GetGraphNameSubstanceGraphInstance

Returns the graph name as set in Designer.

GetFactoryNameSubstanceGraphInstance

Returns the name of the GraphInstanceFactory that was used to create the SubstanceGraphInstance that is passed into this node.

GetSubstanceLoadingProgressNONE

Returns a float between 0 and 1 with the percentage of how many substances have been fully loaded.

CreateGraphInstance

Input: SubstanceInstanceFactory - The factory which you want to create a graph instance from.

Input: GraphIndex (int) - The index of the graph you want to create.

Input: InstanceName (FString) - The name you want your new Instance to have.

Returns a new standalone graph instance that will persist until your application closes.
DuplicateGraphInstance

SubstanceGraphInstance - The graph instance you would like to create a copy of.

Returns a new standalone graph instance that will persist until your application closes.
EnableInstanceOutputs

Input: SubstanceGraphInstance - The graph instance containing the output to enable

Input: OutputIndices (int32 Array) - The indices of the outputs you want to enable. (Subject to change)

If previously disabled, creates the texture output(s) of passed in SubstanceGraphInstance. This has the same functionality as enabling an output from the SubstanceGraphInstance Editor.

NOTE: This will not update your material with the newly created texture. This needs to be handled by setting a sampler parameter at runtime using the new output.

DisableInstanceOutputs

Input: SubstanceGraphInstance - The graph instance you want to apply values to.

Input: SubstanceGraphInstance - The graph instance you want to get the values from.

Restores all of the changed input values of the Substance Graph Instance input parameter.

SetGraphInstanceOutputSize

Input: SubstanceGraphInstance

Input: Width - Texture Resolution of the X coordinate

Input: Height - Texture Resolution of the Y coordinate

Sets texture resolution of all of the outputs generated from this graph instance with the sizes passed in from the parameters.

Note - Max 2048 on CPU Engine

Note - Max 4096 on GPU Engine

AsyncRenderingSubstanceGraphInstance

Recomputes output textures of the Substance Graph Instance input. (Non blocking)

SyncRenderingSubstanceGraphInstance

Recomputes output textures of the Substance Graph Instance input. (Blocking)

Graph Instance Specific Functions:

Can only be called from a graph instance

NameInputDescription
GetInputNamesNONEReturns an array of Strings containing all of the input parameter names.
GetInputTypeNONE

Returns the data type associated with this input.

SetInputInt

Input: Identifier (String)

Input: InputValues (int array)

Change the value of an input found by the Identifier. From within a game, must render substance using AyncRender or SyncRender for changes to be applied.

SetInputFloat

Input: Identifier (String)

Input: InputValues (float array)

Change the value of an input found by the Identifier. From within a game, must render substance using AyncRender or SyncRender for changes to be applied.

GetInputIntInput: Identifier (String)

Returns an array of ints with the current values of an input parameter.

GetInputFloat

Identifier (String)

Returns an array of floats with the current values of an input parameter.

SetInputBool

Input: Bool (Boolean)

Input: Identifier (String)

Takes in a boolean value to assign a togglable input value type. Previously, this was only achievable by setting an int value of either a 1 or a 0 casted to a bool.

GetInputBoolInput: Identifier (String)

Returns the current boolean value of an input.

SetIputColor

Input: Color (LinearColor)

Input: Identifier (FString)

Takes in a FLinearColor value to assign a color input value type to. Previously, this was only achievable by setting a float value and passing in an array of floats.

GetInputColorInput: Identifier (FString)Returns the current color value in UE4 format.
CreateAggregateSubstanceFactory

Input: Output Factory (SubstanceInstanceFactory)

The factory creating the outputs that will be used as input to the Input factory.

Input: Output Factory Graph Index (Integer)

Which graph within the substance you would like to use to combine.

Input: Input Factory (SubstanceInputFactory)

The factory using the outputs as input images from the Output Factory.

Input: Connections (Array of SubstanceConnections)

This can be created using the blueprint node Make Array. A substance connection is how you can the aggregate node which inputs to link to which outputs.


Return (SubstanceInstanceFactory)

Can be used to create a graph instance of the new combined instance.

The new aggregate substance node allows you to take two substance instance factories and create a new instance factory at runtime, which can be used to create a new graph instance.

What makes this special is that you can connect output textures from one of the combined graph instances to input images of the other combined graph instance.

To create a substance graph instance from this new factory, see our documentation on runtime graph instances.

SubstanceConnectionStruct

Input: Output Identifier (FString)

The identifier of the texture output to chain into an input.

Input: Input Identifier (FString)

Used by Create Aggregate Substance Factory to specify how to chain each output texture with new input textures.

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