feat: context can red parameters

src/Engine/Operator/Context.cpp

@@ -1,6 +1,8 @@
 #include "Engine/Operator/Context.h"
 #include "Engine/Network/NetworkManager.h"
+#include "Engine/Parameter/Parameter.h"
 #include <iostream>
+#include <memory>
 
 
 enzo::op::Context::Context(enzo::nt::OpId opId, enzo::nt::NetworkManager& networkManager)
@@ -23,3 +25,13 @@ enzo::geo::Geometry enzo::op::Context::cloneInputGeo(unsigned int inputIndex)
     return networkManager_.getGeoOperator(inputConnection->getInputOpId()).getOutputGeo(inputConnection->getInputIndex());
 }
 
+enzo::bt::floatT enzo::op::Context::evalFloatParm(const char* parmName) const
+{
+    enzo::nt::GeometryOperator& selfOp = networkManager_.getGeoOperator(opId_);
+    std::weak_ptr<prm::Parameter> parameter = selfOp.getParameter(parmName);
+
+    if(auto sharedParm = parameter.lock())
+    {
+        return sharedParm->evalFloat();
+    }
+}