GraphProcessor.h

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#pragma once
 
#include "NodeGraph/GraphTypes.h"
 
#include <vector>
 
class GraphNode;
class NodeGraph;
 
class GraphProcessor
{
public:
 
    void Evaluate(NodeGraph* graph, const char* eventName = nullptr);
 
    const std::vector<GraphNodeId>& GetEvaluationOrder() const { return mEvaluationOrder; }
    bool HasCycles() const { return mHasCycles; }
 
private:
 
    void TopologicalSort(NodeGraph* graph);
    void PropagateValues(NodeGraph* graph);
    void ResetExecutionFlags(NodeGraph* graph);
    bool HasExecutionInputPin(GraphNode* node) const;
    bool HasAnyExecutionTriggered(GraphNode* node) const;
    void PropagateExecutionOutputs(NodeGraph* graph, GraphNode* node);
 
    std::vector<GraphNodeId> mEvaluationOrder;
    bool mHasCycles = false;
};