private void ReturnToIdle()
{
executionState = ExecutionState.Idle;
activeCommand = null;
BlockSignals.DoBlockEnd(this);
if (lastOnCompleteAction != null)
{
lastOnCompleteAction();
}
lastOnCompleteAction = null;
}
/// <summary>
/// A coroutine method that executes all commands in the Block. Only one running instance of each Block is permitted.
/// </summary>
/// <param name="commandIndex">Index of command to start execution at</param>
/// <param name="onComplete">Delegate function to call when execution completes</param>
public virtual IEnumerator Execute(int commandIndex = 0, Action onComplete = null)
{
if (executionState != ExecutionState.Idle)
{
Debug.LogWarning(BlockName + " cannot be executed, it is already running.");
yield break;
}
lastOnCompleteAction = onComplete;
if (!executionInfoSet)
{
SetExecutionInfo();
}
executionCount++;
var executionCountAtStart = executionCount;
var flowchart = GetFlowchart();
executionState = ExecutionState.Executing;
BlockSignals.DoBlockStart(this);
#if UNITY_EDITOR
// Select the executing block & the first command
flowchart.SelectedBlock = this;
if (commandList.Count > 0)
{
flowchart.ClearSelectedCommands();
flowchart.AddSelectedCommand(commandList[0]);
}
#endif
jumpToCommandIndex = commandIndex;
int i = 0;
while (true)
{
// Executing commands specify the next command to skip to by setting jumpToCommandIndex using Command.Continue()
if (jumpToCommandIndex > -1)
{
i = jumpToCommandIndex;
jumpToCommandIndex = -1;
}
// Skip disabled commands, comments and labels
while (i < commandList.Count &&
(!commandList[i].enabled ||
commandList[i].GetType() == typeof(Comment) ||
commandList[i].GetType() == typeof(Label)))
{
i = commandList[i].CommandIndex + 1;
}
if (i >= commandList.Count)
{
break;
}
// The previous active command is needed for if / else / else if commands
if (activeCommand == null)
{
previousActiveCommandIndex = -1;
}
else
{
previousActiveCommandIndex = activeCommand.CommandIndex;
}
var command = commandList[i];
activeCommand = command;
if (flowchart.IsActive())
{
// Auto select a command in some situations
if ((flowchart.SelectedCommands.Count == 0 && i == 0) ||
(flowchart.SelectedCommands.Count == 1 && flowchart.SelectedCommands[0].CommandIndex == previousActiveCommandIndex))
{
flowchart.ClearSelectedCommands();
flowchart.AddSelectedCommand(commandList[i]);
}
}
command.IsExecuting = true;
// This icon timer is managed by the FlowchartWindow class, but we also need to
// set it here in case a command starts and finishes execution before the next window update.
command.ExecutingIconTimer = Time.realtimeSinceStartup + FungusConstants.ExecutingIconFadeTime;
BlockSignals.DoCommandExecute(this, command, i, commandList.Count);
command.Execute();
// Wait until the executing command sets another command to jump to via Command.Continue()
while (jumpToCommandIndex == -1)
{
yield return(null);
}
#if UNITY_EDITOR
if (flowchart.StepPause > 0f)
{
yield return(new WaitForSeconds(flowchart.StepPause));
}
#endif
command.IsExecuting = false;
}
if (State == ExecutionState.Executing &&
//ensure we aren't dangling from a previous stopage and stopping a future run
executionCountAtStart == executionCount)
{
ReturnToIdle();
}
}
