NodeGraphAsset.h

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#pragma once
 
#include "Asset.h"
#include "Factory.h"
#include "NodeGraph/NodeGraph.h"
#include "NodeGraph/GraphVariable.h"
 
#include <vector>
#include <string>
 
class NodeGraphAsset : public Asset
{
public:
 
    DECLARE_ASSET(NodeGraphAsset, Asset);
 
    NodeGraphAsset();
    ~NodeGraphAsset();
 
    virtual void LoadStream(Stream& stream, Platform platform) override;
    virtual void SaveStream(Stream& stream, Platform platform) override;
    virtual void Create() override;
    virtual void Destroy() override;
 
    virtual void GatherProperties(std::vector<Property>& outProps) override;
    virtual glm::vec4 GetTypeColor() override;
    virtual const char* GetTypeName() override;
 
    NodeGraph& GetGraph() { return mGraph; }
    const NodeGraph& GetGraph() const { return mGraph; }
 
    // Function graphs
    NodeGraph* AddFunctionGraph(const std::string& name);
    void RemoveFunctionGraph(uint32_t index);
    NodeGraph* FindFunctionGraph(const std::string& name) const;
    uint32_t GetNumFunctionGraphs() const { return (uint32_t)mFunctionGraphs.size(); }
    NodeGraph* GetFunctionGraph(uint32_t index);
    const std::vector<NodeGraph*>& GetFunctionGraphs() const { return mFunctionGraphs; }
    void RenameFunctionGraph(uint32_t index, const std::string& newName);
    void ResolveFunctionCallNodes();
    void ResolveVariableNodes();
 
    // Variables
    int32_t AddVariable(const std::string& name, DatumType type);
    void RemoveVariable(uint32_t index);
    void RenameVariable(uint32_t index, const std::string& newName);
    int32_t FindVariableIndex(const std::string& name) const;
    GraphVariable* GetVariable(uint32_t index);
    const GraphVariable* GetVariable(uint32_t index) const;
    uint32_t GetNumVariables() const { return (uint32_t)mVariables.size(); }
    const std::vector<GraphVariable>& GetVariables() const { return mVariables; }
    std::vector<GraphVariable>& GetVariables() { return mVariables; }
    void ResetVariablesToDefaults();
 
    static bool HandlePropChange(Datum* datum, uint32_t index, const void* newValue);
 
protected:
 
    NodeGraph mGraph;
    std::vector<NodeGraph*> mFunctionGraphs;
    std::vector<GraphVariable> mVariables;
    int32_t mDomainIndex = 0;
};