feat: add geometryOpDef

src/Engine/Operator/GeometryOpDef.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "Engine/Operator/Geometry.h"
+
+namespace enzo::nt
+{
+class GeometryOpDef
+{
+public:
+    GeometryOpDef();
+    void cookOp();
+private:
+    std::vector<enzo::geo::Geometry> outputGeometry_;
+    unsigned int minInputs_;
+    unsigned int maxInputs_;
+    unsigned int maxOutputs_;
+protected:
+    const enzo::geo::Geometry& getInputGeoView(unsigned int inputIndex);
+    enzo::geo::Geometry cloneInputGeo(unsigned int inputIndex);
+    bool outputRequested(unsigned int outputIndex);
+    
+    void setOutputGeometry(unsigned int outputIndex, enzo::geo::Geometry geometry);
+};
+}