54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#ifndef NODEGRAPH_H
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#define NODEGRAPH_H
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#include "nodes/node.h"
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class NodeGraph
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{
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public:
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NodeGraph();
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/**
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* @brief Add a node to this graph
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*
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* The graph takes ownership of the node.
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*
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* @param node
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*/
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void AddNode(NodePtr node);
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/**
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* @brief Process the graph
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*
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* Using the output node set by SetOutputNode(), this function will work backwards and perform every action in the
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* node hierarchy necessary to eventually process the output node. After this function returns, the output node should
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* contain valid values ready for accessing.
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*
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* Each node will cache its output for optimized playback and rendering. This will happen transparently and under most
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* circumstances, this function will be able to return immediately.
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*/
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void Process();
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/**
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* @brief Set the output node for this node graph
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*
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* This node will be presented as the final node that all other nodes converge on. This node can be used to retrieve
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* the result of the graph.
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*
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* @param node
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*
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* The node to set as the output node. The graph takes ownership of the node and the user cannot delete it.
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*/
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void SetOutputNode(NodePtr node);
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/**
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* @brief Returns the currently set output node
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*/
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Node* OutputNode();
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private:
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NodePtr output_node_;
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};
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#endif // NODEGRAPH_H
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