Andron666
268 lines
11 KiB
C++
268 lines
11 KiB
C++
/*
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* Copyright (c) <2017> Side Effects Software Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#pragma once
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#include "HoudiniGeoPartObject.h"
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#include "HoudiniAssetParameter.h"
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#include "Input/Reply.h"
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#include "Input/Events.h"
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#include "Layout/Geometry.h"
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#include "HoudiniAssetInstanceInput.generated.h"
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class AActor;
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class UStaticMesh;
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class UMaterialInterface;
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class UInstancedStaticMeshComponent;
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class UHoudiniAssetInstanceInputField;
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UCLASS()
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class HOUDINIENGINERUNTIME_API UHoudiniAssetInstanceInput : public UHoudiniAssetParameter
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{
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friend class UHoudiniAssetInstanceInputField;
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GENERATED_UCLASS_BODY()
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friend class FHoudiniParameterDetails;
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public:
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/** Create instance of this class. **/
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static UHoudiniAssetInstanceInput * Create(
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UHoudiniAssetComponent * InPrimaryObject,
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const FHoudiniGeoPartObject & HoudiniGeoPartObject );
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/** Create instance from another input. **/
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static UHoudiniAssetInstanceInput * Create(
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UHoudiniAssetComponent * InPrimaryObject,
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const UHoudiniAssetInstanceInput * OtherInstanceInput );
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public:
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/** Create this instance input. **/
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bool CreateInstanceInput();
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/** Recreates render states for used instanced static mesh components. **/
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void RecreateRenderStates();
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/** Recreates physics states for used instanced static mesh components. **/
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void RecreatePhysicsStates();
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/** Retrieve all instanced mesh components used by this input. **/
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bool CollectAllInstancedStaticMeshComponents(
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TArray< UInstancedStaticMeshComponent * > & Components,
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const UStaticMesh * StaticMesh );
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/** Get material replacement meshes for a given input. **/
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bool GetMaterialReplacementMeshes(
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UMaterialInterface * Material,
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TMap< UStaticMesh *, int32 > & MaterialReplacementsMap );
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FORCEINLINE const TArray< UHoudiniAssetInstanceInputField * >& GetInstanceInputFields() const { return InstanceInputFields; }
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FORCEINLINE const FHoudiniGeoPartObject& GetGeoPartObject() const { return HoudiniGeoPartObject; }
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/** Refresh state based on the given geo part object */
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void SetGeoPartObject( const FHoudiniGeoPartObject& InGeoPartObject );
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/** UHoudiniAssetParameter methods. **/
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public:
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/** Create this parameter from HAPI information - this implementation does nothing as this is not **/
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/** a true parameter. **/
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virtual bool CreateParameter(
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UObject * InPrimaryObject,
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UHoudiniAssetParameter * InParentParameter,
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HAPI_NodeId InNodeId, const HAPI_ParmInfo & ParmInfo );
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/** Set component for this parameter. **/
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virtual void SetHoudiniAssetComponent( UHoudiniAssetComponent * InComponent ) override;
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/** UObject methods. **/
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public:
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virtual void BeginDestroy() override;
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virtual void Serialize( FArchive & Ar ) override;
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static void AddReferencedObjects( UObject * InThis, FReferenceCollector & Collector );
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#if WITH_EDITOR
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/** Clone all used instance static mesh components and and attach them to provided actor. **/
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void CloneComponentsAndAttachToActor( AActor * Actor );
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#endif
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protected:
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/** Retrieve all transforms for a given path. Used by attribute instancer. **/
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void GetPathInstaceTransforms(
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const FString & ObjectInstancePath, const TArray< FString > & PointInstanceValues,
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const TArray< FTransform > & Transforms, TArray< FTransform > & OutTransforms );
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protected:
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/** Locate field which matches given criteria. Return null if not found. **/
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UHoudiniAssetInstanceInputField * LocateInputField(
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const FHoudiniGeoPartObject & GeoPartObject );
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/** Locate or create (if it does not exist) an input field. **/
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void CreateInstanceInputField(
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const FHoudiniGeoPartObject & HoudiniGeoPartObject,
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const TArray< FTransform > & ObjectTransforms,
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const TArray< UHoudiniAssetInstanceInputField * > & OldInstanceInputFields,
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TArray< UHoudiniAssetInstanceInputField * > & NewInstanceInputFields );
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/** Locate or create (if it does not exist) an input field. This version is used with override attribute. **/
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void CreateInstanceInputField(
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UObject * InstancedObject, const TArray< FTransform > & ObjectTransforms,
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const TArray< UHoudiniAssetInstanceInputField * > & OldInstanceInputFields,
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TArray< UHoudiniAssetInstanceInputField * > & NewInstanceInputFields );
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/** Clean unused input fields. **/
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void CleanInstanceInputFields( TArray< UHoudiniAssetInstanceInputField * > & InInstanceInputFields );
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/** Returns primary object cast to HoudiniAssetComponent */
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class UHoudiniAssetComponent* GetHoudiniAssetComponent();
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const class UHoudiniAssetComponent* GetHoudiniAssetComponent() const;
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/** Get the node id of the asset we are associated with */
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HAPI_NodeId GetAssetId() const;
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protected:
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#if WITH_EDITOR
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/** Delegate used when static mesh has been drag and dropped. **/
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void OnStaticMeshDropped(
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UObject * InObject,
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 Idx, int32 VariationIdx );
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/** Handler for when static mesh thumbnail is double clicked. We open editor in this case. **/
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FReply OnThumbnailDoubleClick(
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const FGeometry & InMyGeometry, const FPointerEvent & InMouseEvent, UObject * Object );
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/** Closes the combo button. **/
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void CloseStaticMeshComboButton(
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 Idx,
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int32 VariationIdx );
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/** Triggered when combo button is opened or closed. **/
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void ChangedStaticMeshComboButton(
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bool bOpened, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 Idx, int32 VariationIdx );
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/** Browse to static mesh. **/
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void OnInstancedObjectBrowse( UObject* InstancedObject );
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/** Handler for reset static mesh button. **/
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FReply OnResetStaticMeshClicked(
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 Idx,
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int32 VariationIdx );
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/** Handler for adding instance variation **/
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void OnAddInstanceVariation( UHoudiniAssetInstanceInputField * InstanceInputField, int32 Index );
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/** Handler for removing instance variation **/
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void OnRemoveInstanceVariation( UHoudiniAssetInstanceInputField * InstanceInputField, int32 Index );
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/** Helper for field label */
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FString GetFieldLabel( int32 FieldIdx, int32 VariationIdx ) const;
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/** Get rotation components for given index. **/
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TOptional< float > GetRotationRoll(
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 VariationIdx ) const;
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TOptional< float > GetRotationPitch(
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 VariationIdx ) const;
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TOptional< float > GetRotationYaw(
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UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 VariationIdx ) const;
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/** Set rotation components for given index. **/
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void SetRotationRoll(
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float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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void SetRotationPitch(
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float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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void SetRotationYaw(
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float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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/** Get scale components for a given index. **/
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TOptional< float > GetScaleX(
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UHoudiniAssetInstanceInputField* HoudiniAssetInstanceInputField, int32 VariationIdx ) const;
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TOptional< float > GetScaleY(
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UHoudiniAssetInstanceInputField* HoudiniAssetInstanceInputField, int32 VariationIdx ) const;
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TOptional< float > GetScaleZ(
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UHoudiniAssetInstanceInputField* HoudiniAssetInstanceInputField, int32 VariationIdx ) const;
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/** Set scale components for a given index. **/
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void SetScaleX( float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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void SetScaleY( float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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void SetScaleZ( float Value, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField, int32 VariationIdx );
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/** Set option for whether scale should be linear. **/
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void CheckStateChanged(
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bool IsChecked, UHoudiniAssetInstanceInputField * HoudiniAssetInstanceInputField,
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int32 VariationIdx );
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#endif
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protected:
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/** List of fields created by this instance input. **/
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TArray< UHoudiniAssetInstanceInputField * > InstanceInputFields;
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/** Corresponding geo part object. **/
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FHoudiniGeoPartObject HoudiniGeoPartObject;
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/** Id of an object to instance. **/
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HAPI_NodeId ObjectToInstanceId;
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public:
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/** Flags used by this input. **/
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union FHoudiniAssetInstanceInputFlags
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{
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struct
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{
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/** Set to true if this is an attribute instancer. **/
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uint32 bIsAttributeInstancer : 1;
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/** Set to true if this attribute instancer uses overrides. **/
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uint32 bAttributeInstancerOverride : 1;
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/** Set to true if this is a packed primitive instancer **/
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uint32 bIsPackedPrimitiveInstancer : 1;
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/** Set to true if this is a split mesh instancer */
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uint32 bIsSplitMeshInstancer : 1;
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};
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uint32 HoudiniAssetInstanceInputFlagsPacked;
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};
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FHoudiniAssetInstanceInputFlags Flags;
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static FHoudiniAssetInstanceInputFlags GetInstancerFlags(const FHoudiniGeoPartObject & InHoudiniGeoPartObject);
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};
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