Added PrimitiveVariableTweaks

Changes.md

@@ -11,6 +11,7 @@ Features
   - Inference : Loads ONNX models and performance inference using an array of input tensors.
   - ImageToTensor : Converts images to tensors for use with the Inference node.
   - TensorToImage : Converts tensors back to images following inference.
+- PrimiitiveVariableTweaks : Added node for tweaking primitive variables. Can affect just part of a primitive based on ids or a mask.
 
 API
 ---

include/GafferScene/PrimitiveVariableTweaks.h

@@ -0,0 +1,102 @@
+//////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (c) 2024, Image Engine Design Inc. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without
+//  modification, are permitted provided that the following conditions are
+//  met:
+//
+//      * Redistributions of source code must retain the above
+//        copyright notice, this list of conditions and the following
+//        disclaimer.
+//
+//      * Redistributions in binary form must reproduce the above
+//        copyright notice, this list of conditions and the following
+//        disclaimer in the documentation and/or other materials provided with
+//        the distribution.
+//
+//      * Neither the name of John Haddon nor the names of
+//        any other contributors to this software may be used to endorse or
+//        promote products derived from this software without specific prior
+//        written permission.
+//
+//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+//  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+//  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+//  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+//  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+//  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+//  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "GafferScene/ObjectProcessor.h"
+
+#include "Gaffer/TweakPlug.h"
+
+namespace GafferScene
+{
+
+class GAFFERSCENE_API PrimitiveVariableTweaks : public ObjectProcessor
+{
+
+	public :
+
+		enum class SelectionMode
+		{
+			All,
+			IdList,
+			IdListPrimitiveVariable,
+			MaskPrimitiveVariable
+		};
+
+		explicit PrimitiveVariableTweaks( const std::string &name=defaultName<PrimitiveVariableTweaks>() );
+		~PrimitiveVariableTweaks() override;
+
+		GAFFER_NODE_DECLARE_TYPE( GafferScene::PrimitiveVariableTweaks, PrimitiveVariableTweaksTypeId, ObjectProcessor );
+
+		Gaffer::IntPlug *interpolationPlug();
+		const Gaffer::IntPlug *interpolationPlug() const;
+
+		Gaffer::IntPlug *selectionModePlug();
+		const Gaffer::IntPlug *selectionModePlug() const;
+
+		Gaffer::Int64VectorDataPlug *idListPlug();
+		const Gaffer::Int64VectorDataPlug *idListPlug() const;
+
+		Gaffer::StringPlug *idListVariablePlug();
+		const Gaffer::StringPlug *idListVariablePlug() const;
+
+		Gaffer::StringPlug *idPlug();
+		const Gaffer::StringPlug *idPlug() const;
+
+		Gaffer::StringPlug *maskVariablePlug();
+		const Gaffer::StringPlug *maskVariablePlug() const;
+
+		Gaffer::BoolPlug *ignoreMissingPlug();
+		const Gaffer::BoolPlug *ignoreMissingPlug() const;
+
+		Gaffer::TweaksPlug *tweaksPlug();
+		const Gaffer::TweaksPlug *tweaksPlug() const;
+
+	protected :
+
+		bool affectsProcessedObject( const Gaffer::Plug *input ) const override;
+		void hashProcessedObject( const ScenePath &path, const Gaffer::Context *context, IECore::MurmurHash &h ) const override;
+		IECore::ConstObjectPtr computeProcessedObject( const ScenePath &path, const Gaffer::Context *context, const IECore::Object *inputObject ) const override;
+
+	private :
+
+		static size_t g_firstPlugIndex;
+
+};
+
+IE_CORE_DECLAREPTR( PrimitiveVariableTweaks )
+
+} // namespace GafferScene

include/GafferScene/TypeIds.h

@@ -90,7 +90,7 @@ enum TypeId
 	PruneTypeId = 110546,
 	FreezeTransformTypeId = 110547,
 	MeshDistortionTypeId = 110548,
-	OpenGLRenderTypeId = 110549, // Available for reuse
+	PrimitiveVariableTweaksTypeId = 110549,
 	InteractiveRenderTypeId = 110550,
 	CubeTypeId = 110551,
 	SphereTypeId = 110552,