//[DURING EXECUTION]
public void executeCode()
{
//Debug Graph Info
Debug.Log("Starting with " + startingNodes.Count + " out of " + IDE_Input_Controller.instance.nodes.Count + " nodes!");
printConnections("Connections at start - ", startingNodes);
//Show Output Window on every Run
IDE_Output_Controller.instance.OpenOutput();
//Tell user if his her graph is not executable
if (startingNodes.Count == 0)
{
IDE_Output_Controller.instance.AddOutput("No source nodes, nothing to execute!", OutputMessageType.warning);
return;
}
//Begin by quing all source nodes for compuatation, store completed nodes to prevent recomputing them
HashSet <string> completeNodes = new HashSet <string>();
Queue <string> sourceNodes = new Queue <string>(startingNodes);
//Execute program until all conected nodes visited or a fault reached
while (sourceNodes.Count != 0)
{
//Execute until need additional info move to next source
string curNodeId = sourceNodes.Dequeue();
//Skip if node was already executed
if (completeNodes.Contains(curNodeId))
{
continue;
}
//Skip if node cannot be found
NodeIdentity curNode = null;
if (!IDE_Input_Controller.instance.nodes.ContainsKey(curNodeId))
{
IDE_Output_Controller.instance.AddOutput("A Node was not found in all nodes dictionary! What happened to it?", OutputMessageType.warning);
continue;
}
else
{
curNode = IDE_Input_Controller.instance.nodes[curNodeId];
}
//Get node output (will fail if not enough inputs are avaliable)
bool isNodeSuccess = curNode.computeNodeOutput();
if (isNodeSuccess) //Node output complete
{
completeNodes.Add(curNodeId);
//Check all output nodes,
// if their incoming connections are satisfied add to queue of source nodes
HashSet <string> curCheckNodes = new HashSet <string>();
foreach (string activeOutputArg in curNode.outputParameters)
{
if (curNode.connectionsOut.ContainsKey(activeOutputArg))
{
foreach (OutgoingInfo connection in curNode.connectionsOut[activeOutputArg])
{
if (!curCheckNodes.Contains(connection.sinkIdentity.parent.id) &&
connection.sinkIdentity.parent.isReadyForComputaion())
{
curCheckNodes.Add(connection.sinkIdentity.parent.id);
sourceNodes.Enqueue(connection.sinkIdentity.parent.id);
}
}
}
}
}
else
{
IDE_Output_Controller.instance.AddOutput(curNodeId + " - node has failed to compute!", OutputMessageType.error);
}
}
//Reset all completed nodes output state
foreach (string nodeId in completeNodes)
{
IDE_Input_Controller.instance.nodes[nodeId].clearAllComputations();
}
}