KwidgetProcessorGraph.h

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namespace krotos
{
    //==============================================================================
    class KwidgetProcessorGraph
    {
      public:
        using Node = AudioProcessorGraph::Node;
        using NodeID = AudioProcessorGraph::NodeID;
        using IOProcessor = AudioProcessorGraph::AudioGraphIOProcessor;
        using Connection = AudioProcessorGraph::Connection;
 
        KwidgetProcessorGraph(int numVoices, int inputChannels, int outputChannels);
 
        ~KwidgetProcessorGraph() = default;
 
        void prepareToPlay(double sampleRate, int samplesPerBlock);
 
        int getNumVoices() const { return m_numVoices; }
 
        void noteOn(int voiceIdx, int midiNote, float velocity);
 
        void noteOff(int voiceIdx, float velocity);
 
        void noteCleared(int voiceIdx);
 
        bool isActive(int voiceIdx);
 
        void processVoice(int voiceIdx, AudioBuffer<float>& buffer);
 
        void addKwidget(std::unique_ptr<Kwidget> kwidgetToAdd);
 
        void removeKwidget(Kwidget* kwidget);
 
        const OwnedArray<Kwidget>& getKwidgets() const { return m_kwidgets; }
 
        bool canConnect(Kwidget* src, Kwidget* dest);
 
        void addConnection(Kwidget* src, Kwidget* dest, int baseChannel, int numConnections);
 
        void removeConnection(Kwidget* src, Kwidget* dest);
 
        void connectToInputNode(Kwidget* dest, int baseChannel, int numConnections);
 
        void connectToOutputNode(Kwidget* src, int baseChannel, int numChannels);
 
        void clearKwidgets();
 
        void clearConnections();
 
        void debugConnections() const;
 
      private:
        NodeID getNodeID(Kwidget* k);
        bool canConnect(NodeID src, NodeID dest);
        void addMultipleConnections(NodeID src, NodeID dest, int baseChannel, int numConnections);
        void addMultipleConnectionsToOutputNode(NodeID src, int baseChannel, int numConnections);
        void removeConnection(NodeID src, NodeID dest);
 
        const int m_numVoices;
 
        OwnedArray<Kwidget> m_kwidgets;
        std::map<Kwidget*, NodeID> m_nodeIDs;
 
        OwnedArray<AudioProcessorGraph> m_graphs;
 
        double m_sampleRate{0.0};
        int m_blockSize{0};
        int m_numInputChannels;
        int m_numOutputChannels;
 
        Array<Node::Ptr> m_audioInputNodes;
        Array<Node::Ptr> m_audioOutputNodes;
        Array<Node::Ptr> m_midiInputNodes;
        Array<Node::Ptr> m_midiOutputNodes;
 
        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(KwidgetProcessorGraph)
    };
} // namespace krotos