ScriptContext.h

#pragma once
#include "Engine/Expression/ExpressionContext.h"
#include "Engine/Script/MeshAttributeReader.h"
#include <memory>
#include <mutex>
#include <optional>
#include <vector>
 
namespace enzo {
class NodePacket;
}
 
namespace enzo::geo {
class Mesh;
}
 
namespace enzo::script {
 
class ScriptContext : public expr::ExpressionContext
{
  public:
    ScriptContext(nt::NodeId currentNode, const NodePacket& input);
 
    const geo::Mesh& getInputMesh(size_t primitiveIndex) const;
 
    const MeshAttributeReader& getAttributeReader(size_t primitiveIndex) const;
 
    void addWarning(const String& warning) const;
 
    const std::vector<String>& getWarnings() const { return warnings_; }
 
  private:
    // One entry per primitive of the input, empty for a primitive that isn't a mesh.
    std::vector<std::shared_ptr<const geo::Mesh>> inputMeshes_;
    std::vector<std::optional<MeshAttributeReader>> attributeReaders_;
 
    mutable std::mutex warningMutex_;
    mutable std::vector<String> warnings_;
};
 
} // namespace enzo::script