Tree("Root") {
    Composite(Sequence) {
        BTC.InitializeSpeechManager()
        BTC.SetSpeechRecognitionLanguage("it-IT")
        BTC.SetVoiceName("it-IT-IsabellaMultilingualNeural")

        Composite(Race) {
            Composite(Sequence) {
                // Error in Speech Service: Cancel BTC Trees
                BTC.SpeechErrorOccured()
                BTC.SetBool("error")
            }

            Composite(Selector) {
                Composite(Sequence) {
                    // Check Minigame SBB
                    BTC.CheckEntryLevel(0)

                    BTC.Run("MediaPlayer.VIDEOS.IntroFidle1")
                    BTC.ResetEntryLevel(0)
                    BTC.FadeIn("FadeScene.XRInteractionHandsSetup.Black")
                    RunTree("10_SBB_Zugabteil_Szenenwahl")
                }

                Composite(Sequence) {
                    BTC.Run("MediaPlayer.VIDEOS.IntroFidle1")
                    BTC.FadeIn("FadeScene.XRInteractionHandsSetup.Black")
                    RunTree("10_SBB_Zugabteil_Intro")
                }
            }
        }

        Composite(Sequence) {
            BTC.CompareBool("error")
            // Error Handling
            BTC.AbortSpeechEventListener()
            BTC.StopSpeechIntentRecognition()
            BTC.ClearPossbileSpeechIntents()

            Composite(Marathon) {
                BTC.Hide("GO.HINTS.SpeakHint")
                BTC.Hide("GO.HINTS.SitDownHint")
                BTC.Hide("GO.HINTS.StandUpHint")
            }

            Composite(Selector) {
                Composite(Sequence) {
                    BTC.CompareSpeechError("Rate limit is exceeded")
                    Composite(Marathon) {
                        BTC.Set("TextMeshPro.HINTS.SpeechErrorTitle", "text", "Hold on")
                        BTC.Set("TextMeshPro.HINTS.SpeechErrorText", "text", "Der SpeechService ist momentan nicht\nverfügbar. In 30 Sekunden geht es weiter.")
                        BTC.Show("GO.HINTS.SpeechErrorHint")
                    }
                    BTC.Wait(30)
                }

                Composite(Sequence) {
                    Composite(Marathon) {
                        BTC.Set("TextMeshPro.HINTS.SpeechErrorTitle", "text", "Fehler")
                        BTC.Set("TextMeshPro.HINTS.SpeechErrorText", "text", "Es besteht ein Problem mit der Internetverbindung.\nBringe das VR Headset bitte zu deiner Lehrperson.")
                        BTC.Show("GO.HINTS.SpeechErrorHint")
                    }

                    Decorator(Repeat) {
                        BTC.Wait(60)
                    }
                }
            }
        }                             
    }
}

Tree("10_SBB_Zugabteil_Intro") {
// --- Zugabteil - Intro ---
    Composite(Selector) {
        Composite(Sequence) {
            BTC.NoStoriesVisited()
            BTC.Wait(8)
            BTC.Hide("MediaPlayer.VIDEOS.IntroFidle1")

            // --- Zugabteil - Exposition ---
            BTC.Run("MediaPlayer.VIDEOS.ExpositionF1")
            BTC.Run("MediaPlayer.VIDEOS.ExpositionFidle2")

            BTC.AddPossbileSpeechIntent("Zugabteil-Exposition-U-2")
            BTC.StartSpeechIntentRecognition()
            BTC.Show("GO.HINTS.SpeakHint")

            Composite(Race) {
                // -- Race 1: User sagt etwas
                Composite(Sequence) {
                    BTC.UserStartedSpeechInput()
                    BTC.Hide("GO.HINTS.SpeakHint")

                    Composite(Selector) {
                        // -- Selector 1: Intent erkannt
                        Composite(Sequence) {
                            BTC.SpeechIntentRecognized()
                            BTC.ClearPossbileSpeechIntents()
                        }

                        // -- Selector 2: Intent nicht erkannt
                        Composite(Sequence) {
                            BTC.ClearPossbileSpeechIntents()
                        }
                    }
                }

                // -- Race 2: User sagt nichts
                Composite(Sequence) {
                    BTC.Wait(5)
                    BTC.CompareUserSpeechInputStarted(false)
                    BTC.AbortSpeechEventListener()
                    BTC.StopSpeechIntentRecognition()
                    BTC.ClearPossbileSpeechIntents()
                    BTC.Hide("GO.HINTS.SpeakHint")
                }
            }

            BTC.Hide("MediaPlayer.VIDEOS.ExpositionFidle2")
            BTC.Run("MediaPlayer.VIDEOS.ExpositionF3")
            BTC.Run("MediaPlayer.VIDEOS.ExpositionFidle4")

            BTC.AddPossbileSpeechIntent("Zugabteil-Exposition-U-4a")
            BTC.AddPossbileSpeechIntent("Zugabteil-Exposition-U-4b")
            BTC.StartSpeechIntentRecognition()
            BTC.Show("GO.HINTS.SpeakHint")

            Composite(Race) {
                // -- Race 1: User sagt etwas
                Composite(Sequence) {
                    BTC.UserStartedSpeechInput()
                    BTC.Hide("GO.HINTS.SpeakHint")
                
                    Composite(Selector) {
                        // -- Selector 1: Intent erkannt
                        Composite(Sequence) {
                            BTC.SpeechIntentRecognized()

                            // Intent erkannt
                            Composite(Race) {
                                Composite(Sequence) {
                                    BTC.CompareIntentID("Zugabteil-Exposition-U-4a")
                                    BTC.ClearPossbileSpeechIntents()
                                    // Load Scene: Story A Picknicken
                                    //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                                    BTC.Run("LoadScene.NEXT.20SBB")
                                }
                                Composite(Sequence) {
                                    BTC.CompareIntentID("Zugabteil-Exposition-U-4b")
                                    BTC.ClearPossbileSpeechIntents()
                                    // Load Scene: Story B Grotto
                                    //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                                    BTC.Run("LoadScene.NEXT.30SBB")
                                }
                            }
                        }

                        // -- Selector 2: Intent nicht erkannt
                        Composite(Sequence) {
                            BTC.ClearPossbileSpeechIntents()
                            BTC.Hide("MediaPlayer.VIDEOS.ExpositionFidle4")
                            RunTree("10_SBB_Zugabteil_Szenenwahl")
                        }
                    }
                }

                // -- Race 2: User sagt nichts
                Composite(Sequence) {
                    BTC.Wait(5)
                    BTC.CompareUserSpeechInputStarted(false)
                    BTC.AbortSpeechEventListener()
                    BTC.StopSpeechIntentRecognition()
                    BTC.ClearPossbileSpeechIntents()
                    BTC.Hide("MediaPlayer.VIDEOS.ExpositionFidle4")
                    BTC.Hide("GO.HINTS.SpeakHint")
                    RunTree("10_SBB_Zugabteil_Szenenwahl")
                }
            }
        }

        RunTree("10_SBB_Zugabteil_Szenenwahl_Selection")
    }
}

Tree("10_SBB_Zugabteil_Szenenwahl_Selection") {
// --- Zugabteil - Szenenwahl Selection ---
    Composite(Sequence) {
        Composite(Selector) {
            Composite(Sequence) {
                // Story A besucht
                BTC.StoryAVisited()

                Composite(Selector) {
                    Composite(Sequence) {
                        // Story A + B besucht
                        BTC.StoryBVisited()
                        // --- Story Ende ---
                        Composite(Marathon) {
                            Composite(Sequence) {
                                BTC.Show("GO.HINTS.SitDownHint")
                                BTC.Wait(5)
                                BTC.Hide("GO.HINTS.SitDownHint")
                            }
                            Composite(Sequence) {
                                BTC.Hide("MediaPlayer.VIDEOS.IntroFidle1")
                                BTC.Run("MediaPlayer.VIDEOS.StoryEndeF1")
                            }
                        }

                        BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                        BTC.Run("LoadScene.NEXT.00Menu")
                    }

                    Composite(Sequence) {
                        // Story A besucht
                        // Story B nicht besucht
                        // --- Repetition Intro B ---
                        BTC.Show("GO.HINTS.SitDownHint")
                        BTC.Hide("MediaPlayer.VIDEOS.IntroFidle1")
                        BTC.Run("MediaPlayer.VIDEOS.RepetitionIntroBF1")
                        BTC.Run("MediaPlayer.VIDEOS.RepetitionIntroBFi_2")
                        BTC.Hide("GO.HINTS.SitDownHint")
                        RunTree("10_SBB_Zugabteil_Szenenwahl")
                    }         
                }
            }

            Composite(Sequence) {
                // Story A nicht besucht
                BTC.StoryBVisited()

                // Story B besucht
                // Story A nicht besucht
                // --- Repetition Intro A ---
                BTC.Show("GO.HINTS.SitDownHint")
                BTC.Hide("MediaPlayer.VIDEOS.IntroFidle1")
                BTC.Run("MediaPlayer.VIDEOS.RepetitionIntroAF1")
                BTC.Run("MediaPlayer.VIDEOS.RepetitionIntroAFi_2")
                BTC.Hide("GO.HINTS.SitDownHint")
                RunTree("10_SBB_Zugabteil_Szenenwahl")
            }

            Composite(Sequence) {
                // Story A + B nicht besucht
                RunTree("10_SBB_Zugabteil_Intro")
            }
        } // First Selector
    } // Sequence
}

Tree("10_SBB_Zugabteil_Szenenwahl") {
// --- Zugabteil - Szenenwahl ---
    Composite(Sequence) {
        Composite(Marathon) {
            BTC.Hide("MediaPlayer.VIDEOS.RepetitionIntroAFi_2")
            BTC.Hide("MediaPlayer.VIDEOS.RepetitionIntroBFi_2")
            BTC.Hide("MediaPlayer.VIDEOS.IntroFidle1")
        }
        BTC.Run("MediaPlayer.VIDEOS.SzenenwahlF1")
        BTC.Run("MediaPlayer.VIDEOS.SzenenwahlFidle2")

        BTC.AddPossbileSpeechIntent("Zugabteil-Exposition-U-4a")
        BTC.AddPossbileSpeechIntent("Zugabteil-Exposition-U-4b")
        BTC.StartSpeechIntentRecognition()
        BTC.Show("GO.HINTS.SpeakHint")

        Composite(Race) {
            // -- Race 1: User sagt etwas
            Composite(Sequence) {
                BTC.UserStartedSpeechInput()
                BTC.Hide("GO.HINTS.SpeakHint")
                
                Composite(Selector) {
                    // -- Selector 1: Intent erkannt
                    Composite(Sequence) {
                        BTC.SpeechIntentRecognized()

                        // Intent erkannt
                        Composite(Race) {
                            Composite(Sequence) {
                                BTC.CompareIntentID("Zugabteil-Exposition-U-4a")
                                BTC.ClearPossbileSpeechIntents()
                                // Load Scene: Story A Picknicken
                                //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                                BTC.Run("LoadScene.NEXT.20SBB")
                            }
                            Composite(Sequence) {
                                BTC.CompareIntentID("Zugabteil-Exposition-U-4b")
                                BTC.ClearPossbileSpeechIntents()
                                // Load Scene: Story B Grotto
                                //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                                BTC.Run("LoadScene.NEXT.30SBB")
                            }
                        }
                    }

                    // -- Selector 2: Intent nicht erkannt
                    Composite(Sequence) {
                        BTC.ClearPossbileSpeechIntents()
                    }
                }
            }

            // -- Race 2: User sagt nichts
            Composite(Sequence) {
                BTC.Wait(5)
                BTC.CompareUserSpeechInputStarted(false)
                BTC.AbortSpeechEventListener()
                BTC.StopSpeechIntentRecognition()
                BTC.ClearPossbileSpeechIntents()
                BTC.Hide("GO.HINTS.SpeakHint")
            }
        }

        BTC.Hide("MediaPlayer.VIDEOS.SzenenwahlFidle2")
        BTC.Run("MediaPlayer.VIDEOS.SzenenwahlF3")
        BTC.Run("MediaPlayer.VIDEOS.SzenenwahlFidle4")

        Composite(Race) {
            // VR Brille nehmen
            Composite(Sequence) {
                BTC.Run("NamedGrabEvent.INTERACTABLES.VRBrille")
                Composite(Marathon) {
                    BTC.SetEntryLevel(0)
                    BTC.AbortEventListener("NamedEventTrigger.HANDMENU.Option2Button")
                    BTC.AbortEventListener("NamedEventTrigger.HANDMENU.Option1Button")
                    BTC.Hide("GO.HANDMENU.Option1Button")
                    BTC.Hide("GO.HANDMENU.Option2Button")
                    BTC.Hide("GO.HANDMENU.SpeechButton")
                    BTC.Hide("GO.HANDMENU.SpeechOptions")
                }
                BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                BTC.Run("LoadScene.NEXT.40Puschlav")
            }

            // Szenenwahl per Handmenu
            Composite(Sequence) {
                Composite(Marathon) {
                    BTC.Show("GO.HANDMENU.SpeechButton")
                    BTC.Set("TextMeshPro.HANDMENU.Option1Button", "text", "picnic")
                    BTC.Show("GO.HANDMENU.Option1Button")
                    BTC.Set("TextMeshPro.HANDMENU.Option2Button", "text", "grotto")
                    BTC.Show("GO.HANDMENU.Option2Button")
                }

                Composite(Race) {
                    Composite(Sequence) {
                        // picnic
                        BTC.Run("NamedEventTrigger.HANDMENU.Option1Button")

                        Composite(Marathon) {
                            BTC.AbortEventListener("NamedEventTrigger.HANDMENU.Option2Button")
                            BTC.Hide("GO.HANDMENU.Option1Button")
                            BTC.Hide("GO.HANDMENU.Option2Button")
                            BTC.Hide("GO.HANDMENU.SpeechButton")
                            BTC.Hide("GO.HANDMENU.SpeechOptions")
                        }

                        // Load Scene: Story A Picknicken
                        //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                        BTC.Run("LoadScene.NEXT.20SBB")
                    }
                    Composite(Sequence) {
                        // grotto
                        BTC.Run("NamedEventTrigger.HANDMENU.Option2Button")

                        Composite(Marathon) {
                            BTC.AbortEventListener("NamedEventTrigger.HANDMENU.Option1Button")
                            BTC.Hide("GO.HANDMENU.Option1Button")
                            BTC.Hide("GO.HANDMENU.Option2Button")
                            BTC.Hide("GO.HANDMENU.SpeechButton")
                            BTC.Hide("GO.HANDMENU.SpeechOptions")
                        }

                        // Load Scene: Story B Grotto
                        //BTC.FadeOut("FadeScene.XRInteractionHandsSetup.Black")
                        BTC.Run("LoadScene.NEXT.30SBB")
                    }
                } // Race Buttons
            } // Handmenu Ende
        }
        
        // TODO: Check if necessary
        //BTC.Hide("MediaPlayer.VIDEOS.SzenenwahlFidle4")
    }
}