// Executes a node. Use this in a for-each construct; each time you iterate over it,
// you'll get a line, command, or set of options.
public IEnumerable<Yarn.Dialogue.RunnerResult> Run(string startNode = DEFAULT_START)
{
if (LogDebugMessage == null) {
throw new YarnException ("LogDebugMessage must be set before running");
}
if (LogErrorMessage == null) {
throw new YarnException ("LogErrorMessage must be set before running");
}
if (program == null) {
LogErrorMessage ("Dialogue.Run was called, but no program was loaded. Stopping.");
yield break;
}
vm = new VirtualMachine (this, program);
RunnerResult latestResult;
vm.lineHandler = delegate(LineResult result) {
latestResult = result;
};
vm.commandHandler = delegate(CommandResult result) {
// Is it the special custom command "<<stop>>"?
if (result is CommandResult && (result as CommandResult).command.text == "stop") {
vm.Stop();
}
latestResult = result;
};
vm.nodeCompleteHandler = delegate(NodeCompleteResult result) {
visitedNodeNames.Add (vm.currentNodeName);
latestResult = result;
};
vm.optionsHandler = delegate(OptionSetResult result) {
latestResult = result;
};
if (vm.SetNode (startNode) == false) {
yield break;
}
// Run until the program stops, pausing to yield important
// results
do {
latestResult = null;
vm.RunNext ();
if (latestResult != null)
yield return latestResult;
} while (vm.executionState != VirtualMachine.ExecutionState.Stopped);
}
// Executes a node.
/** Use this in a for-each construct; each time you iterate over it,
* you'll get a line, command, or set of options.
*/
public IEnumerable <Yarn.Dialogue.RunnerResult> Run(string startNode = DEFAULT_START)
{
if (LogDebugMessage == null)
{
throw new YarnException("LogDebugMessage must be set before running");
}
if (LogErrorMessage == null)
{
throw new YarnException("LogErrorMessage must be set before running");
}
if (program == null)
{
LogErrorMessage("Dialogue.Run was called, but no program was loaded. Stopping.");
yield break;
}
vm = new VirtualMachine(this, program);
RunnerResult latestResult;
vm.lineHandler = delegate(LineResult result) {
latestResult = result;
};
vm.commandHandler = delegate(CommandResult result) {
// Is it the special custom command "<<stop>>"?
if (result is CommandResult && (result as CommandResult).command.text == "stop")
{
vm.Stop();
}
latestResult = result;
};
vm.nodeCompleteHandler = delegate(NodeCompleteResult result) {
// get the count if it's there, otherwise it defaults to 0
int count = 0;
visitedNodeCount.TryGetValue(vm.currentNodeName, out count);
visitedNodeCount[vm.currentNodeName] = count + 1;
latestResult = result;
};
vm.optionsHandler = delegate(OptionSetResult result) {
latestResult = result;
};
if (vm.SetNode(startNode) == false)
{
yield break;
}
// Run until the program stops, pausing to yield important
// results
do
{
latestResult = null;
vm.RunNext();
if (latestResult != null)
{
yield return(latestResult);
}
} while (vm.executionState != VirtualMachine.ExecutionState.Stopped);
}