コード例 #1
0
ファイル: Dialogue.cs プロジェクト: thesecretlab/YarnSpinner
        // 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);
        }