54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#pragma once
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#include "CoreMinimal.h"
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#include "WingServer.h"
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#include "WingHandler.h"
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#include "WingFetcher.h"
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#include "WingUtils.h"
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#include "WingParameterEditor.h"
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#include "Materials/MaterialInstanceConstant.h"
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#include "MaterialTypes.h"
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#include "MaterialInstance_SetParameter.generated.h"
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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UCLASS()
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class UWing_MaterialInstance_SetParameter : public UWingHandler
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{
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GENERATED_BODY()
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public:
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UPROPERTY(EditAnywhere, meta=(Description="Target material instance"))
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FString MaterialInstance;
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UPROPERTY(EditAnywhere, meta=(Description="Parameter ID: 'Name', 'Layer:N:Name', or 'Blend:N:Name'"))
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FString Parameter;
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UPROPERTY(EditAnywhere, meta=(Description="Value to set (uses Unreal text format, e.g. '0.5' for scalar, '(R=1,G=0,B=0,A=1)' for vector)"))
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FString Value;
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virtual void Register() override
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{
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UWingServer::AddHandler(this,
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TEXT("Set a parameter override on a Material Instance."));
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}
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virtual void Handle() override
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{
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WingFetcher F(WingOut::Stdout);
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UMaterialInstanceConstant* MI = F.Asset(MaterialInstance).Cast<UMaterialInstanceConstant>();
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if (!MI) return;
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// Parse the parameter ID.
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FWingParameterEditor::Info ID;
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if (!FWingParameterEditor::ParseID(Parameter, ID, WingOut::Stdout))
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return;
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// Set the parameter
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if (!FWingParameterEditor::AddOverride(ID, MI, Value, WingOut::Stdout)) return;
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WingOut::Stdout.Printf(TEXT("Assigned.\n"));
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}
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};
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