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();
+    }
+}

src/Engine/Operator/Context.h

@@ -15,6 +15,7 @@ class Context
 public:
     Context(enzo::nt::OpId opId, enzo::nt::NetworkManager& networkManager);
     enzo::geo::Geometry cloneInputGeo(unsigned int inputIndex);
+    bt::floatT evalFloatParm(const char* parmName) const;
 private:
     enzo::nt::OpId opId_;
     enzo::nt::NetworkManager& networkManager_;

src/Engine/Operator/GeometryOpDef.h

@@ -20,6 +20,7 @@ private:
     unsigned int minInputs_;
     unsigned int maxInputs_;
     unsigned int maxOutputs_;
+
 protected:
     enzo::nt::OpId opId_;
     const enzo::geo::Geometry& getInputGeoView(unsigned int inputIndex);

src/Engine/Operator/GeometryOperator.cpp

@@ -74,6 +74,19 @@ void nt::GeometryOperator::addOutputConnection(std::shared_ptr<nt::GeometryConne
     std::cout << "size: " << outputConnections_.size() << "\n";
 }
 
+std::weak_ptr<prm::Parameter> nt::GeometryOperator::getParameter(std::string parameterName)
+{
+    for(auto parm : parameters_)
+    {
+        if(parm->getName()==parameterName)
+        {
+            return parm;
+        }
+    }
+    return std::weak_ptr<prm::Parameter>();
+
+}
+
 std::vector<std::shared_ptr<const nt::GeometryConnection>> nt::GeometryOperator::getInputConnections() const
 {
     std::vector<std::shared_ptr<const nt::GeometryConnection>> inputConnections;

src/Engine/Operator/GeometryOperator.h

@@ -27,6 +27,7 @@ public:
     std::vector<std::shared_ptr<const GeometryConnection>> getInputConnections() const;
     std::vector<std::shared_ptr<const GeometryConnection>> getOutputConnections() const;
     std::vector<std::weak_ptr<prm::Parameter>> getParameters();
+    std::weak_ptr<prm::Parameter> getParameter(std::string parameterName);
 
 
     unsigned int getMaxInputs() const;