/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var InteractiveElement = Container.expand(function () {
	var self = Container.call(this);
	self.label = "";
	self.description = "";
	self.interactText = "";
	self.onInteract = null;
	self.voiceOverAnnounceId = null;
	self.voiceOverInteractId = null;
	self.lastTapTime = 0;
	self.tapCount = 0;
	// Visual: use tapCircle for all, but color can be changed if needed
	var circle = self.attachAsset('tapCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	// Apply global visibility state
	circle.visible = typeof tapCirclesVisible !== 'undefined' ? tapCirclesVisible : false;
	// Store the tap circle's radius for hit detection (half of width)
	self.hitRadius = circle.width / 2;
	// Set up element
	self.setup = function (label, description, interactText, onInteract, voiceOverAnnounceId, voiceOverInteractId) {
		self.label = label;
		self.description = description;
		self.interactText = interactText;
		self.onInteract = onInteract;
		self.voiceOverAnnounceId = voiceOverAnnounceId;
		self.voiceOverInteractId = voiceOverInteractId;
	};
	// Announce what this is
	self.announce = function () {
		setGuiText(self.label + "\n" + self.description + "\n\n(Double tap to interact)", self.voiceOverAnnounceId);
		// Optionally, play a sound or narration for the element
	};
	// Interact with the element
	self.interact = function () {
		// If onInteract is defined, it is responsible for calling setGuiText.
		if (typeof self.onInteract === "function") {
			self.onInteract();
		} else {
			// Only call setGuiText here if there's no specific onInteract handler
			// that would call it. This uses the generic interactText and voiceOverInteractId.
			setGuiText(self.interactText, self.voiceOverInteractId);
		}
	};
	// Track pending voice-over timeout
	self.pendingVOTimeout = null;
	self.justDoubleTapped = false;
	self.justDoubleTappedTimeout = null;
	// Handle tap/double-tap
	self.down = function (x, y, obj) {
		var now = Date.now();
		var timeSinceLastTap = now - self.lastTapTime;
		// If within double-tap window
		if (timeSinceLastTap < 500 && timeSinceLastTap > 50) {
			// Added minimum time to avoid accidental double taps
			// This is a double tap
			// Cancel any pending single-tap voice-over
			if (self.pendingVOTimeout) {
				LK.clearTimeout(self.pendingVOTimeout);
				self.pendingVOTimeout = null;
			}
			// Stop any current voice-over before playing the double-tap VO
			if (currentVoiceOver) {
				currentVoiceOver.stop();
				currentVoiceOver = null;
			}
			self.interact();
			self.lastTapTime = 0; // Reset to prevent triple taps
			// Cooldown after double tap to prevent immediate single tap on this element
			if (self.justDoubleTappedTimeout) {
				LK.clearTimeout(self.justDoubleTappedTimeout);
			}
			self.justDoubleTapped = true;
			self.justDoubleTappedTimeout = LK.setTimeout(function () {
				self.justDoubleTapped = false;
				self.justDoubleTappedTimeout = null;
			}, 700); // 700ms cooldown
			// Play a subtle sound to indicate interaction
			LK.getSound('sfx_tap').play();
		} else {
			// This is a single tap
			// If a double tap just occurred on this element, suppress the immediate single tap action
			// but record the tap time for a potential new double tap.
			if (self.justDoubleTapped) {
				self.lastTapTime = now;
				// Do not schedule announce, do not clear other timers or VOs, as the double tap just handled interaction.
			} else {
				// Standard single tap logic:
				// Cancel any existing pending voice-over
				if (self.pendingVOTimeout) {
					LK.clearTimeout(self.pendingVOTimeout); // {s}
					self.pendingVOTimeout = null; // Explicitly nullify the handle after clearing an old timeout
				} // {t}
				// Stop any current voice-over before scheduling new one
				if (currentVoiceOver) {
					currentVoiceOver.stop();
					currentVoiceOver = null;
				}
				// Delay the announce to check if it's actually a double-tap
				self.pendingVOTimeout = LK.setTimeout(function () {
					self.announce();
					self.pendingVOTimeout = null;
				}, 300); // Wait 300ms to see if second tap comes
				self.lastTapTime = now;
			}
		}
	};
	return self;
});
// Stone Door for Puzzle 2
var StoneDoor = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.setup("Stone Door", "A massive stone door blocks your path.", "", function () {
		if (bothChestsOpened) {
			LK.getSound('sfx_rock_door_rumble').play();
			setGuiText("The stone door grinds open. You've solved the puzzle!", 'vo_stone_door_open');
			LK.getSound('sfx_success').play();
			goToState(STATE_PUZZLE2_SUCCESS);
		} else {
			setGuiText("The door won't budge. Perhaps something else needs to be done first.", 'vo_stone_door_locked');
		}
	}, 'vo_stone_door_label', 'vo_stone_door_locked');
	return self;
});
// Key
var Key = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.setup("Key", "Something lies on the floor. Cold, small... metal.", "You pick up a rusty key. It hums faintly in your hand.", function () {
		hasKey = true;
		LK.getSound('sfx_key_pickup').play();
		setGuiText("You pick up a rusty key. It hums faintly in your hand.", 'vo_key_pickup');
		self.visible = false; // Hide key after pickup
	}, 'vo_key_label', 'vo_key_pickup');
	return self;
});
// Heavy Rock for Puzzle 3
var HeavyRock = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.isDragging = false;
	self.startX = 0;
	self.startY = 0;
	self.lastX = 0; // Add lastX property
	self.lastY = 0; // Add lastY property
	self.lastDragSoundTime = 0;
	self.setup("Heavy Rock", "A large, heavy rock. It might be moveable with effort.", "", function () {
		setGuiText("The rock is heavy but you might be able to drag it. Hold and drag to move it.", 'vo_rock_drag_hint');
	}, 'vo_heavy_rock_label', 'vo_rock_drag_hint');
	// Override down to start dragging
	var originalDown = self.down;
	self.down = function (x, y, obj) {
		originalDown.call(self, x, y, obj);
		// Check if this is a hold (not a double tap)
		var now = Date.now();
		var timeSinceLastTap = now - self.lastTapTime;
		// If not a double tap, start dragging
		if (timeSinceLastTap > 500 || timeSinceLastTap < 50) {
			self.isDragging = true;
			self.startX = self.x;
			self.startY = self.y;
			// No drag offset needed; set position directly during drag
			self.dragOffsetX = 0;
			self.dragOffsetY = 0;
			// Stop rock label voice-over when dragging starts
			if (currentVoiceOver) {
				currentVoiceOver.stop();
				currentVoiceOver = null;
			}
		}
		// Also update lastX and lastY immediately to the current position
		self.lastX = self.x;
		self.lastY = self.y;
	};
	// Handle dragging
	self.handleDrag = function (x, y, obj) {
		if (self.isDragging) {
			// Move rock directly to touch position (no offset)
			self.x = x;
			self.y = y;
			// Play drag sound periodically
			var now = Date.now();
			if (now - self.lastDragSoundTime > 500) {
				LK.getSound('sfx_rock_drag').play();
				self.lastDragSoundTime = now;
			}
		}
		;
		// Add update method to track position changes
		self.update = function () {
			self.lastX = self.x; // Update lastX
			self.lastY = self.y; // Update lastY
		};
	};
	// Stop dragging on up
	self.up = function (x, y, obj) {
		if (self.isDragging) {
			self.isDragging = false;
			// Check if rock is on the floor tile
			if (puzzle3FloorTile && self.intersects(puzzle3FloorTile)) {
				puzzle3FloorTile.pressWithRock();
			} else if (puzzle3FloorTile && puzzle3FloorTile.isPressedByRock) {
				// Rock was moved off the tile
				puzzle3FloorTile.releaseFromRock();
			}
		}
	};
	return self;
});
// Gate for Puzzle 3
var Gate = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.isOpen = false;
	// Override announce to provide different instructions when open
	var originalAnnounce = self.announce;
	self.announce = function () {
		if (self.isOpen) {
			setGuiText("Gate\nThe gate stands open before you.\n\n(Double tap to pass through)", 'vo_gate_open_announce');
		} else {
			originalAnnounce.call(self);
		}
	};
	self.setup("Gate", "A heavy iron gate blocks your path.", "", function () {
		if (self.isOpen) {
			// When gate is open, double-tap allows passage
			setGuiText("The gate is open! You step through carefully...", 'vo_gate_passage');
			LK.getSound('sfx_success').play();
			goToState(STATE_PUZZLE3_SUCCESS);
		} else {
			setGuiText("The gate is closed. Something needs to keep it open.", 'vo_gate_closed');
		}
	}, 'vo_gate_label', 'vo_gate_closed');
	self.open = function () {
		if (!self.isOpen) {
			self.isOpen = true;
			LK.getSound('sfx_gate_open').play();
			setGuiText("The gate slowly grinds open!", 'vo_gate_opening');
		}
	};
	self.close = function () {
		if (self.isOpen) {
			self.isOpen = false;
			LK.getSound('sfx_gate_close').play();
			setGuiText("The gate slides shut again.", 'vo_gate_closing');
		}
	};
	return self;
});
// Floor Tile for Puzzle 3
var FloorTile = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.isPressed = false;
	self.isPressedByRock = false;
	self.linkedGate = null;
	self.setup("Floor Tile", "A loose stone tile. It seems to move slightly when touched.", "", function () {
		if (self.isPressedByRock) {
			setGuiText("The heavy rock keeps the tile pressed down.", 'vo_tile_pressed_by_rock');
		} else {
			setGuiText("When you press the tile, the gate opens... but it closes as soon as you lift your feet. You'll need something heavy to keep it pressed.", 'vo_tile_springs_back');
		}
	}, 'vo_floor_tile_label', 'vo_tile_springs_back');
	// Override down to handle holding
	var originalDown = self.down;
	self.down = function (x, y, obj) {
		originalDown.call(self, x, y, obj);
		// If not already pressed by rock, handle manual press
		if (!self.isPressedByRock) {
			self.isPressed = true;
			if (self.linkedGate) {
				self.linkedGate.open();
			}
		}
	};
	// Add up handler for release
	self.up = function (x, y, obj) {
		// Only handle release if not pressed by rock
		if (!self.isPressedByRock && self.isPressed) {
			self.isPressed = false;
			if (self.linkedGate) {
				self.linkedGate.close();
			}
		}
	};
	self.pressWithRock = function () {
		if (!self.isPressedByRock) {
			self.isPressedByRock = true;
			self.isPressed = true;
			if (self.linkedGate) {
				self.linkedGate.open();
			}
			LK.getSound('sfx_rock_place').play();
			setGuiText("The rock settles onto the tile with a satisfying thunk. The gate remains open!", 'vo_rock_on_tile');
		}
	};
	self.releaseFromRock = function () {
		if (self.isPressedByRock) {
			self.isPressedByRock = false;
			self.isPressed = false;
			if (self.linkedGate) {
				self.linkedGate.close();
			}
		}
	};
	return self;
});
// Door
var Door = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.setup("Door", "A heavy wooden door. It doesn't budge.", "", function () {
		// Door can only be opened if player has the key
		if (typeof hasKey !== "undefined" && hasKey) {
			self.interactText = "The key turns with a satisfying click. The path ahead opens.";
			setGuiText("The key turns with a satisfying click. The path ahead opens.", 'vo_door_unlocked');
			// Play new door unlock sound
			LK.getSound('sfx_door_unlock').play();
			goToState(STATE_PUZZLE1_SUCCESS);
		} else {
			self.interactText = "The door is locked tight. You'll need something to open it.";
			setGuiText("The door is locked tight. You'll need something to open it.", 'vo_door_locked');
		}
	}, 'vo_door_label', 'vo_door_locked');
	return self;
});
// Chime for Puzzle 4
var Chime = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.chimeIndex = 0;
	self.isCommitted = false;
	self.chimeSound = null;
	self.pendingSingleTapTimeout = null;
	self.setup = function (index) {
		self.chimeIndex = index;
		var label = "Chime " + (index + 1);
		var description = "A hanging chime. Single tap to hear it softly, double tap to strike it.";
		// Use specific voice-over for each chime description
		var chimeVoiceOverId = 'vo_chime_description_' + (index + 1);
		InteractiveElement.call(self).setup(label, description, "", function () {
			// Double tap - commit to this chime
			if (!self.isCommitted && !puzzle4Complete) {
				self.commit();
			}
		}, chimeVoiceOverId, null);
		// Override the circle color based on chime index
		if (self.children[0]) {
			var colors = [0xff0000, 0x00ff00, 0x0000ff, 0xffff00]; // Red, Green, Blue, Yellow
			self.children[0].tint = colors[index % 4];
		}
	};
	// Override announce to play instruction VO first
	self.announce = function () {
		// Play the instruction VO first
		var instructionVO = LK.getSound('vo_chime_instruction');
		instructionVO.play();
		// Wait for instruction to finish before playing chime description
		LK.setTimeout(function () {
			// Call parent announce method which will play the chime description
			InteractiveElement.prototype.announce.call(self);
		}, 3000); // Adjust timing based on instruction VO length
	};
	// Override down method from InteractiveElement to handle chime-specific behavior
	self.down = function (x, y, obj) {
		var now = Date.now();
		var timeSinceLastTap = now - self.lastTapTime;
		// If within double-tap window
		if (timeSinceLastTap < 500 && timeSinceLastTap > 50) {
			// This is a double tap
			// Cancel any pending single-tap sound
			if (self.pendingSingleTapTimeout) {
				LK.clearTimeout(self.pendingSingleTapTimeout);
				self.pendingSingleTapTimeout = null;
			}
			// Cancel any pending single-tap voice-over
			if (self.pendingVOTimeout) {
				LK.clearTimeout(self.pendingVOTimeout);
				self.pendingVOTimeout = null;
			}
			// Stop any current voice-over before playing the double-tap VO
			if (currentVoiceOver) {
				currentVoiceOver.stop();
				currentVoiceOver = null;
			}
			self.interact();
			self.lastTapTime = 0; // Reset to prevent triple taps
			// Cooldown after double tap to prevent immediate single tap on this element
			if (self.justDoubleTappedTimeout) {
				LK.clearTimeout(self.justDoubleTappedTimeout);
			}
			self.justDoubleTapped = true;
			self.justDoubleTappedTimeout = LK.setTimeout(function () {
				self.justDoubleTapped = false;
				self.justDoubleTappedTimeout = null;
			}, 700); // 700ms cooldown
			// Play a subtle sound to indicate interaction
			LK.getSound('sfx_tap').play();
		} else {
			// This is a single tap
			// If a double tap just occurred on this element, suppress the immediate single tap action
			// but record the tap time for a potential new double tap.
			if (self.justDoubleTapped) {
				self.lastTapTime = now;
				// Do not schedule announce, do not clear other timers or VOs, as the double tap just handled interaction.
			} else {
				// Standard single tap logic:
				// Cancel any existing pending voice-over
				if (self.pendingVOTimeout) {
					LK.clearTimeout(self.pendingVOTimeout); // {s}
					self.pendingVOTimeout = null; // Explicitly nullify the handle after clearing an old timeout
				} // {t}
				// Cancel any existing pending single tap sound
				if (self.pendingSingleTapTimeout) {
					LK.clearTimeout(self.pendingSingleTapTimeout);
					self.pendingSingleTapTimeout = null;
				}
				// Stop any current voice-over before scheduling new one
				if (currentVoiceOver) {
					currentVoiceOver.stop();
					currentVoiceOver = null;
				}
				// Delay both the announce and the soft chime sound to check if it's actually a double-tap
				self.pendingVOTimeout = LK.setTimeout(function () {
					self.announce();
					self.pendingVOTimeout = null;
				}, 300); // Wait 300ms to see if second tap comes
				// Schedule soft chime sound
				self.pendingSingleTapTimeout = LK.setTimeout(function () {
					// Play instruction VO first
					var instructionVO = LK.getSound('vo_chime_instruction');
					instructionVO.play();
					// Wait for instruction to finish before playing chime sound
					LK.setTimeout(function () {
						// Play soft chime sound at lower volume
						if (self.chimeSound && !self.isCommitted) {
							var softSound = self.chimeSound;
							softSound.volume = 0.3; // Set to 30% volume for soft tap
							softSound.play();
							// Reset volume after playing
							LK.setTimeout(function () {
								softSound.volume = 1.0; // Reset to full volume
							}, 100);
						}
					}, 3000); // Wait for instruction VO to finish
					self.pendingSingleTapTimeout = null;
				}, 300); // Same delay as voice-over
				self.lastTapTime = now;
			}
		}
	};
	self.commit = function () {
		self.isCommitted = true;
		playerChimeSequence.push(self.chimeIndex);
		// Play louder committed sound at full volume
		if (self.chimeSound) {
			self.chimeSound.volume = 1.0; // Ensure full volume for double tap
			self.chimeSound.play();
		}
		// Visual feedback - flash the chime
		tween(self, {
			alpha: 0.3
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					alpha: 1
				}, {
					duration: 200,
					easing: tween.easeIn
				});
			}
		});
		// Check if player has entered all 4 chimes
		if (playerChimeSequence.length === 4) {
			checkChimeSequence();
		} else {
			setGuiText("Chime " + playerChimeSequence.length + " of 4 selected.", 'vo_chime_selected');
		}
	};
	return self;
});
// Chest for Puzzle 2
var Chest = InteractiveElement.expand(function () {
	var self = InteractiveElement.call(this);
	self.isOpened = false;
	self.chestId = 0;
	self.isVialChest = false; // Will be set during setup
	self.isTrapChest = false; // Will be set during setup
	self.setup = function (id, isVial, isTrap) {
		self.chestId = id;
		self.isVialChest = !!isVial;
		self.isTrapChest = !!isTrap;
		// Inspection text
		var inspectText = "A wooden chest with intricate carvings.";
		if (self.isVialChest) {
			inspectText = "A wooden chest. It smells faintly of herbs.";
		} else if (self.isTrapChest) {
			inspectText = "Another chest, this one colder to the touch.";
		}
		// Interact logic
		InteractiveElement.call(self).setup("Chest " + (id + 1), inspectText, "", function () {
			if (!self.isOpened) {
				self.isOpened = true;
				// Play chest open sound
				LK.getSound('sfx_chest_open').play();
				// Vial Chest
				if (self.isVialChest) {
					hasVialOfClarity = true;
					// Play background music for vial chest open
					LK.playMusic('vial_chest_open_bgm', {
						loop: true
					});
					// If trap was already triggered, heal and stop distortion
					if (trapActive) {
						trapActive = false;
						// Stop annoying trap sound if running
						stopAnnoyingTrapSound();
						var vialText = "You open the chest… a soft chime rings out. Inside, a small vial, warm to the touch. You feel a little more focused. The distortion fades.";
						// If this is the second chest, append the stone shifting message
						var openedCount = 0;
						for (var i = 0; i < puzzle2Elements.length; i++) {
							if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
								openedCount++;
							}
						}
						if (openedCount === 2) {
							vialText += "\nYou hear a heavy stone shifting nearby.";
						}
						setGuiText(vialText, 'vo_vial_heals_trap');
						// Play soft chime, then steady hum (simulate with sfx_success for now)
						LK.getSound('sfx_success').play();
					} else {
						var vialText = "You open the chest… a soft chime rings out. Inside, a small vial, warm to the touch. You feel a little more focused.";
						var openedCount = 0;
						for (var i = 0; i < puzzle2Elements.length; i++) {
							if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
								openedCount++;
							}
						}
						if (openedCount === 2) {
							vialText += "\nYou hear a heavy stone shifting nearby.";
						}
						setGuiText(vialText, 'vo_vial_found');
						LK.getSound('sfx_success').play();
					}
				}
				// Trap Chest
				else if (self.isTrapChest) {
					// If player already has vial, neutralize trap
					if (hasVialOfClarity) {
						var trapText = "You open the chest… a rush of wind escapes, but the vial in your hand pulses gently, shielding your senses.";
						var openedCount = 0;
						for (var i = 0; i < puzzle2Elements.length; i++) {
							if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
								openedCount++;
							}
						}
						if (openedCount === 2) {
							trapText += "\nYou hear a heavy stone shifting nearby.";
						}
						setGuiText(trapText, 'vo_trap_neutralized');
						// Play wind muffled/steady hum (simulate with sfx_tap for now)
						LK.getSound('sfx_tap').play();
						// Stop annoying trap sound if running
						stopAnnoyingTrapSound();
					} else {
						trapActive = true;
						var trapText = "You open the chest… a rush of wind escapes. A sharp whisper pierces your ears. Everything feels… twisted.";
						var openedCount = 0;
						for (var i = 0; i < puzzle2Elements.length; i++) {
							if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
								openedCount++;
							}
						}
						if (openedCount === 2) {
							trapText += "\nYou hear a heavy stone shifting nearby.";
						}
						setGuiText(trapText, 'vo_trap_triggered');
						// Play rushing wind/sharp whisper (simulate with sfx_tap for now)
						LK.getSound('sfx_tap').play();
						// Start annoying trap sound
						startAnnoyingTrapSound();
						// TODO: Add actual distortion effect if available
					}
				}
				// Fallback (should not happen)
				else {
					var fallbackText = "The chest creaks open. You find nothing inside, but sense progress.";
					var openedCount = 0;
					for (var i = 0; i < puzzle2Elements.length; i++) {
						if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
							openedCount++;
						}
					}
					if (openedCount === 2) {
						fallbackText += "\nYou hear a heavy stone shifting nearby.";
					}
					setGuiText(fallbackText, 'vo_chest_opened');
					LK.getSound('sfx_success').play();
				}
				checkPuzzle2Progress();
			} else {
				setGuiText("The chest is already open.", 'vo_chest_empty');
			}
		},
		// Announce/inspect voice-over
		self.isVialChest ? 'vo_vial_inspect' : self.isTrapChest ? 'vo_trap_inspect' : 'vo_chest_label',
		// Interact voice-over
		self.isVialChest ? 'vo_vial_found' : self.isTrapChest ? 'vo_trap_triggered' : 'vo_chest_opened');
	};
	return self;
});
// Chest
// Simple visual feedback for taps (for sighted users or those with some vision)
var TapFeedback = Container.expand(function () {
	var self = Container.call(this);
	var circle = self.attachAsset('tapCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.5
	});
	self.showAt = function (x, y) {
		self.x = x;
		self.y = y;
		self.alpha = 0.5;
		self.scaleX = 1;
		self.scaleY = 1;
		tween(self, {
			alpha: 0,
			scaleX: 2,
			scaleY: 2
		}, {
			duration: 400,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Puzzle 1 & 2: All unique VO assets
// Voice-over assets for "nothing here" phrases
// Audio assets (narration and sfx) are referenced by id, LK will load them automatically.
// No visual assets needed for MVP, but we will use a simple shape for tap feedback.
// --- State Management ---
// Voice-over sounds for narration
// Voice-over assets for all text displays
// Narration assets
// Voice-over sounds for puzzle elements
// Voice-over sounds for game states and feedback
// Narration music tracks
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
// missing, added
var STATE_HEADPHONES = 0;
var STATE_MENU = 1;
var STATE_HOW_TO_PLAY = 2;
var STATE_CREDITS = 3;
var STATE_INTRO = 4;
var STATE_PUZZLE1 = 5;
var STATE_PUZZLE1_SUCCESS = 6;
var STATE_PUZZLE2 = 7;
var STATE_PUZZLE2_SUCCESS = 8;
var STATE_PUZZLE3 = 9;
var STATE_PUZZLE3_SUCCESS = 10;
var STATE_PUZZLE4 = 11;
var STATE_PUZZLE4_SUCCESS = 12;
var currentState = STATE_HEADPHONES;
var headphonesIcon = null; // Store reference to headphones icon
// Used to prevent double-tap triggers
var inputLocked = false;
// Used to track narration/music
var currentNarration = null;
// Used to track current voice-over sound
var currentVoiceOver = null;
// Used for puzzle state
var puzzle1Step = 0; // 0 = waiting for first tap, 1 = waiting for second tap
// Double-tap tracking at game level
var lastTapTime = 0;
var lastTapX = 0;
var lastTapY = 0;
var doubleTapThreshold = 500; // milliseconds
var doubleTapDistanceThreshold = 50; // pixels
// --- Puzzle 1 element state ---
var puzzle1Elements = [];
var chestOpened = false;
var hasKey = false;
// --- Puzzle 2 element state ---
var puzzle2Elements = [];
var bothChestsOpened = false;
// --- Puzzle 2: Vial/Trap state ---
var hasVialOfClarity = false;
var trapActive = false;
// --- Puzzle 3 element state ---
var puzzle3Elements = [];
var puzzle3Gate = null;
var puzzle3FloorTile = null;
var puzzle3Rock = null;
// --- Puzzle 4 element state ---
var puzzle4Elements = [];
var correctChimeSequence = [];
var playerChimeSequence = [];
var puzzle4Complete = false;
// --- Annoying sound for trap logic ---
var annoyingTrapSound = null;
var annoyingTrapSoundInterval = null;
var debugLevelLinks = []; // Array to store debug level links
var tapCirclesVisible = false; // Global state for tapCircle visibility - starts hidden
var tapCircleToggle = null; // Reference to toggle button
function startAnnoyingTrapSound() {
	if (annoyingTrapSoundInterval) {
		return;
	} // Already running
	// Play the annoying sound as looping music
	LK.playMusic('sfx_trap_trigger', {
		loop: true
	});
}
function stopAnnoyingTrapSound() {
	// Stop the annoying trap music if playing
	LK.stopMusic();
	if (annoyingTrapSoundInterval) {
		LK.clearInterval(annoyingTrapSoundInterval);
		annoyingTrapSoundInterval = null;
	}
	annoyingTrapSound = null;
}
// --- GUI Text for minimal visual feedback (for sighted users) ---
var guiText = new Text2('', {
	size: 50,
	fill: 0xFFFFFF,
	wordWrap: true,
	wordWrapWidth: 1600,
	// Reduced from 1800 to provide more margin
	align: 'center' // Center align the text lines within the text object
});
guiText.anchor.set(0.5, 1.0);
LK.gui.bottom.addChild(guiText);
guiText.y = -50; // Offset from bottom edge
// GUI text should always be visible
guiText.visible = true;
// --- Helper Functions ---
function updateTapCircleVisibility() {
	// Update puzzle 1 elements
	if (puzzle1Elements) {
		for (var i = 0; i < puzzle1Elements.length; i++) {
			var el = puzzle1Elements[i];
			if (el && el.children && el.children[0]) {
				el.children[0].visible = tapCirclesVisible;
			}
		}
	}
	// Update puzzle 2 elements
	if (puzzle2Elements) {
		for (var i = 0; i < puzzle2Elements.length; i++) {
			var el = puzzle2Elements[i];
			if (el && el.children && el.children[0]) {
				el.children[0].visible = tapCirclesVisible;
			}
		}
	}
	// Update puzzle 3 elements
	if (puzzle3Elements) {
		for (var i = 0; i < puzzle3Elements.length; i++) {
			var el = puzzle3Elements[i];
			if (el && el.children && el.children[0]) {
				el.children[0].visible = tapCirclesVisible;
			}
		}
	}
	// Update puzzle 4 elements
	if (puzzle4Elements) {
		for (var i = 0; i < puzzle4Elements.length; i++) {
			var el = puzzle4Elements[i];
			if (el && el.children && el.children[0]) {
				el.children[0].visible = tapCirclesVisible;
			}
		}
	}
}
function playNarration(id, options) {
	// Stop any current narration/music
	LK.stopMusic();
	currentNarration = id;
	LK.playMusic(id, options || {});
}
function stopNarration() {
	LK.stopMusic();
	currentNarration = null;
}
function setGuiText(txt, voiceOverId) {
	guiText.setText(txt);
	// Add a subtle scale animation when text updates
	guiText.scaleX = 1.1;
	guiText.scaleY = 1.1;
	tween(guiText, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 300,
		easing: tween.easeOut
	});
	// Stop current voice-over if playing
	if (currentVoiceOver) {
		currentVoiceOver.stop();
		currentVoiceOver = null;
	}
	// Play voice-over if provided, but delay if a SFX is currently playing
	if (voiceOverId) {
		// Check if a SFX was just played (by convention, SFX are played right before setGuiText)
		// We'll check if any SFX is currently playing and delay VO until it finishes
		var sfxIds = ['sfx_door_unlock', 'sfx_success', 'sfx_tap'];
		var maxSfxDuration = 0;
		for (var i = 0; i < sfxIds.length; i++) {
			var sfx = LK.getSound(sfxIds[i]);
			if (sfx && sfx.isPlaying && typeof sfx.duration === "number") {
				if (sfx.duration > maxSfxDuration) {
					maxSfxDuration = sfx.duration;
				}
			}
		}
		// If any SFX is playing, delay VO by the max duration (or a minimum of 400ms)
		if (maxSfxDuration > 0) {
			LK.setTimeout(function () {
				currentVoiceOver = LK.getSound(voiceOverId);
				currentVoiceOver.play();
			}, Math.max(400, maxSfxDuration * 1000));
		} else {
			currentVoiceOver = LK.getSound(voiceOverId);
			currentVoiceOver.play();
		}
	}
}
function lockInput(ms) {
	inputLocked = true;
	LK.setTimeout(function () {
		inputLocked = false;
	}, ms || 600);
}
// Check if both chests are opened in puzzle 2
function playChimeSequence() {
	setGuiText("Listen to the sequence...", 'vo_puzzle4_sequence_play');
	var index = 0;
	var _playNextChime = function playNextChime() {
		if (index < correctChimeSequence.length) {
			var chimeIndex = correctChimeSequence[index];
			var chime = puzzle4Elements[chimeIndex];
			if (chime && chime.chimeSound) {
				chime.chimeSound.play();
				// Visual feedback
				tween(chime, {
					scaleX: 1.2,
					scaleY: 1.2
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(chime, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 300,
							easing: tween.easeIn
						});
					}
				});
			}
			index++;
			LK.setTimeout(_playNextChime, 800);
		} else {
			// Sequence complete, player can now interact
			setGuiText("Now repeat the sequence. Single tap to hear, double tap to commit.", 'vo_repeat_sequence');
		}
	};
	_playNextChime();
}
function checkChimeSequence() {
	var correct = true;
	for (var i = 0; i < 4; i++) {
		if (correctChimeSequence[i] !== playerChimeSequence[i]) {
			correct = false;
			break;
		}
	}
	if (correct) {
		puzzle4Complete = true;
		LK.getSound('sfx_success').play();
		goToState(STATE_PUZZLE4_SUCCESS);
	} else {
		// Wrong sequence - game over
		setGuiText("The chimes scream! Wrong sequence!", 'vo_puzzle4_wrong');
		LK.getSound('sfx_trap_trigger').play();
		LK.setTimeout(function () {
			LK.showGameOver();
		}, 2000);
	}
}
function checkPuzzle2Progress() {
	var openedCount = 0;
	for (var i = 0; i < puzzle2Elements.length; i++) {
		if (puzzle2Elements[i] instanceof Chest && puzzle2Elements[i].isOpened) {
			openedCount++;
		}
	}
	if (openedCount >= 2 && !bothChestsOpened) {
		bothChestsOpened = true;
		// No separate message for the door noise; handled in Chest logic after opening the second chest.
	}
}
// --- State Transitions ---
function goToState(state) {
	// Clear existing debug level links first
	if (debugLevelLinks.length > 0) {
		for (var i = 0; i < debugLevelLinks.length; i++) {
			if (debugLevelLinks[i] && typeof debugLevelLinks[i].destroy === 'function') {
				debugLevelLinks[i].destroy();
			}
		}
		debugLevelLinks = [];
	}
	stopNarration();
	// Remove headphones icon if it exists
	if (headphonesIcon) {
		// Clean up extra elements (like text below icon)
		if (headphonesIcon.extraElements) {
			for (var i = 0; i < headphonesIcon.extraElements.length; i++) {
				if (headphonesIcon.extraElements[i]) {
					headphonesIcon.extraElements[i].destroy();
				}
			}
		}
		headphonesIcon.destroy();
		headphonesIcon = null;
	}
	// Remove toggle button if it exists
	if (tapCircleToggle) {
		tapCircleToggle.destroy();
		tapCircleToggle = null;
	}
	// Clear all game children (including menu options and title) when transitioning states
	for (var i = game.children.length - 1; i >= 0; i--) {
		game.children[i].destroy();
	}
	// Clear all GUI elements
	LK.gui.top.removeChildren();
	LK.gui.bottom.removeChildren();
	// Re-add the guiText to bottom after clearing
	LK.gui.bottom.addChild(guiText);
	currentState = state;
	if (state === STATE_HEADPHONES) {
		setGuiText("(Double tap to continue)");
		// Voice-over is already handled by playNarration
		playNarration('screen_headphones_voice', {
			loop: false
		});
		// Add headphones icon
		headphonesIcon = LK.getAsset('headphonesIcon', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2 - 200 // Move icon up to make room for text below
		});
		game.addChild(headphonesIcon);
		// Add text below headphones icon
		var headphonesText = new Text2("Use headphones for a better experience", {
			size: 100,
			fill: 0xFFFFFF,
			align: 'center',
			wordWrap: true,
			wordWrapWidth: 1600
		});
		headphonesText.anchor.set(0.5, 0.5);
		headphonesText.x = 2048 / 2;
		headphonesText.y = 2732 / 2 + 400; // Position further below the icon
		game.addChild(headphonesText);
		// Store reference to clean up later
		if (!headphonesIcon.extraElements) {
			headphonesIcon.extraElements = [];
		}
		headphonesIcon.extraElements.push(headphonesText);
		// Add debug links for development
		var levelsForDebug = [{
			name: "Menu",
			state: STATE_MENU
		}, {
			name: "How to Play",
			state: STATE_HOW_TO_PLAY
		}, {
			name: "Credits",
			state: STATE_CREDITS
		}, {
			name: "Intro",
			state: STATE_INTRO
		}, {
			name: "Puzzle 1",
			state: STATE_PUZZLE1
		}, {
			name: "P1 Success",
			state: STATE_PUZZLE1_SUCCESS
		}, {
			name: "Puzzle 2",
			state: STATE_PUZZLE2
		}, {
			name: "P2 Success",
			state: STATE_PUZZLE2_SUCCESS
		}, {
			name: "Puzzle 3",
			state: STATE_PUZZLE3
		}, {
			name: "P3 Success",
			state: STATE_PUZZLE3_SUCCESS
		}, {
			name: "Puzzle 4",
			state: STATE_PUZZLE4
		}, {
			name: "P4 Success",
			state: STATE_PUZZLE4_SUCCESS
		}];
		var startY = 120; // Start below the 100px top-left reserved area
		var spacingY = 55;
		for (var i = 0; i < levelsForDebug.length; i++) {
			var levelData = levelsForDebug[i];
			var linkText = new Text2(levelData.name, {
				size: 38,
				fill: 0xFFFF00,
				// Bright yellow for debug
				align: 'left',
				wordWrap: true,
				wordWrapWidth: 300 // Ensure debug links don't overflow
			});
			linkText.anchor.set(0, 0); // Anchor top-left
			linkText.x = 20; // Small offset from left edge
			linkText.y = startY + i * spacingY;
			linkText.interactive = true;
			linkText.buttonMode = true; // Shows hand cursor on desktop
			// IIFE to correctly capture levelData.state in the closure
			(function (targetState) {
				linkText.down = function () {
					// Stop any ongoing VO from the headphone screen before jumping
					if (currentVoiceOver) {
						currentVoiceOver.stop();
						currentVoiceOver = null;
					}
					goToState(targetState);
				};
			})(levelData.state);
			LK.gui.top.addChild(linkText); // Add to gui.top so it's above game content
			debugLevelLinks.push(linkText); // Store for cleanup
		}
	} else if (state === STATE_MENU) {
		setGuiText("Main Menu\n\nChoose an option below", 'vo_menu_title'); // This ensures the menu title voice-over is played
		// No narration for menu, or could add a short one if desired
		// Add "Main Menu" title text
		var menuTitle = new Text2("Main Screen", {
			size: 120,
			fill: 0xFFFFFF,
			align: 'center'
		});
		menuTitle.anchor.set(0.5, 0);
		menuTitle.interactive = true;
		menuTitle.buttonMode = true;
		// Add voice-over functionality to title
		menuTitle.lastTapTime = 0;
		menuTitle.pendingVOTimeout = null;
		menuTitle.justDoubleTapped = false;
		menuTitle.justDoubleTappedTimeout = null;
		menuTitle.down = function (x, y, obj) {
			var now = Date.now();
			var timeSinceLastTap = now - menuTitle.lastTapTime;
			// Single tap to announce title
			if (timeSinceLastTap > 500 || timeSinceLastTap < 50) {
				// Cancel any existing pending voice-over
				if (menuTitle.pendingVOTimeout) {
					LK.clearTimeout(menuTitle.pendingVOTimeout);
					menuTitle.pendingVOTimeout = null;
				}
				// Stop any current voice-over
				if (currentVoiceOver) {
					currentVoiceOver.stop();
					currentVoiceOver = null;
				}
				// Delay the announce to check if it's actually a double-tap
				menuTitle.pendingVOTimeout = LK.setTimeout(function () {
					setGuiText("Main Menu\n\nChoose an option below", 'vo_menu_title_announce');
					menuTitle.pendingVOTimeout = null;
				}, 300);
				menuTitle.lastTapTime = now;
			}
		};
		LK.gui.top.addChild(menuTitle);
		menuTitle.y = 50; // Position near top but below the reserved 100px area
		// Add menu options
		var menuOptions = [{
			text: "1. Intro",
			label: "Intro",
			description: "Start the adventure story",
			voiceOverId: "vo_menu_intro",
			action: function action() {
				goToState(STATE_INTRO);
			}
		}, {
			text: "2. How to Play",
			label: "How to Play",
			description: "Learn the game controls",
			voiceOverId: "vo_menu_how_to_play",
			action: function action() {
				goToState(STATE_HOW_TO_PLAY);
			}
		}, {
			text: "3. Credits",
			label: "Credits",
			description: "View game credits",
			voiceOverId: "vo_menu_credits",
			action: function action() {
				goToState(STATE_CREDITS);
			}
		}];
		var startY = 800; // Start position for menu options
		var spacingY = 200; // Increased spacing between options
		for (var i = 0; i < menuOptions.length; i++) {
			var option = menuOptions[i];
			var optionText = new Text2(option.text, {
				size: 120,
				fill: 0xFFFFFF,
				align: 'center',
				wordWrap: true,
				wordWrapWidth: 1600
			});
			optionText.anchor.set(0.5, 0.5);
			optionText.x = 2048 / 2;
			optionText.y = startY + i * spacingY;
			optionText.interactive = true;
			optionText.buttonMode = true;
			// Add double-tap functionality like InteractiveElement
			optionText.lastTapTime = 0;
			optionText.tapCount = 0;
			optionText.pendingVOTimeout = null;
			optionText.justDoubleTapped = false;
			optionText.justDoubleTappedTimeout = null;
			optionText.isSelected = false;
			// Store the action function and option data for each option
			(function (optionAction, optionData) {
				optionText.down = function () {
					var now = Date.now();
					var timeSinceLastTap = now - optionText.lastTapTime;
					// If within double-tap window
					if (timeSinceLastTap < 500 && timeSinceLastTap > 50) {
						// This is a double tap - execute action
						// Cancel any pending single-tap voice-over
						if (optionText.pendingVOTimeout) {
							LK.clearTimeout(optionText.pendingVOTimeout);
							optionText.pendingVOTimeout = null;
						}
						// Stop any current voice-over before executing
						if (currentVoiceOver) {
							currentVoiceOver.stop();
							currentVoiceOver = null;
						}
						optionAction();
						optionText.lastTapTime = 0; // Reset to prevent triple taps
						// Cooldown after double tap
						if (optionText.justDoubleTappedTimeout) {
							LK.clearTimeout(optionText.justDoubleTappedTimeout);
						}
						optionText.justDoubleTapped = true;
						optionText.justDoubleTappedTimeout = LK.setTimeout(function () {
							optionText.justDoubleTapped = false;
							optionText.justDoubleTappedTimeout = null;
						}, 700); // 700ms cooldown
						// Play interaction sound
						LK.getSound('sfx_tap').play();
					} else {
						// This is a single tap - announce and show selection
						// If a double tap just occurred, suppress immediate single tap action
						if (optionText.justDoubleTapped) {
							optionText.lastTapTime = now;
						} else {
							// Clear any existing pending voice-over
							if (optionText.pendingVOTimeout) {
								LK.clearTimeout(optionText.pendingVOTimeout);
								optionText.pendingVOTimeout = null;
							}
							// Stop any current voice-over
							if (currentVoiceOver) {
								currentVoiceOver.stop();
								currentVoiceOver = null;
							}
							// Mark as selected and update appearance
							optionText.isSelected = true;
							// Animate to yellow highlight
							tween(optionText, {
								fill: 0xFFFF00
							}, {
								duration: 200,
								easing: tween.easeOut
							});
							// Clear selection from other options
							for (var j = 0; j < menuOptions.length; j++) {
								if (j !== i && game.children[j + 1]) {
									// +1 to account for menu title
									var otherOption = game.children[j + 1];
									if (otherOption !== optionText && otherOption.isSelected) {
										otherOption.isSelected = false;
										// Animate back to white
										tween(otherOption, {
											fill: 0xFFFFFF
										}, {
											duration: 200,
											easing: tween.easeOut
										});
									}
								}
							}
							// Delay the announce to check if it's actually a double-tap
							optionText.pendingVOTimeout = LK.setTimeout(function () {
								var announceText = optionData.label + " - " + optionData.description + "\n\n(Double tap to select)";
								// Use the voice-over ID from the option data
								setGuiText(announceText, optionData.voiceOverId);
								optionText.pendingVOTimeout = null;
							}, 300); // Wait 300ms to see if second tap comes
							optionText.lastTapTime = now;
						}
					}
				};
			})(option.action, option);
			game.addChild(optionText);
		}
	} else if (state === STATE_HOW_TO_PLAY) {
		setGuiText("How to Play\n\nThis is an audio-first adventure game.\n\nSingle tap to explore and hear descriptions.\nDouble tap to interact with objects.\nUse headphones for the best experience.\n\n(Double tap to return to menu)", 'vo_how_to_play_content');
	} else if (state === STATE_CREDITS) {
		setGuiText("Credits\n\nI am Juan and I wanted to create an interactive audio story for the visually impaired first.\n\nDeveloped with accessibility in mind.\nThank you for playing!\n\n(Double tap to return to menu)", 'vo_credits_content');
	} else if (state === STATE_INTRO) {
		// Create a dedicated text object for the intro story with proper wrapping
		var introText = new Text2("Long ago, beneath the roots of the ancient world, a vault was sealed away—its halls forgotten, its treasures buried in silence. Many have tried to claim its secrets, but none have returned.\n\nYou, a Seeker of Echoes, are drawn by the voice of the Vault itself—a whisper only you can hear. It calls to you through stone and shadow, promising answers... if you can find the path.\n\nArmed with only your senses and your will, you step into the maze below...\n\n(Tap to continue)", {
			size: 70,
			fill: 0xFFFFFF,
			wordWrap: true,
			wordWrapWidth: 1800,
			align: 'center'
		});
		introText.anchor.set(0.5, 0.5);
		introText.x = 2048 / 2;
		introText.y = 2732 / 2;
		game.addChild(introText);
		// Also set GUI text for voice-over
		setGuiText("", 'vo_loading_story');
		playNarration('narr_intro');
		// Wait for tap to continue instead of auto-advancing
	} else if (state === STATE_PUZZLE1) {
		setGuiText("Darkness surrounds you.\nTap to feel your way forward.\nDouble tap when something stirs... it may be more than stone.", 'vo_dungeon_intro');
		playNarration('narr_puzzle1');
		// Start dungeon background sounds
		LK.playMusic('dungeon_background_sounds');
		// Only create elements if they don't exist yet
		if (typeof puzzle1Elements === "undefined" || puzzle1Elements.length === 0) {
			puzzle1Step = 0;
			puzzle1Elements = [];
			chestOpened = false;
			hasKey = false;
			// Random positions for puzzle 1 elements
			var positions = [];
			// Generate random positions ensuring they don't overlap and are within bounds
			for (var p = 0; p < 2; p++) {
				var validPosition = false;
				var attempts = 0;
				while (!validPosition && attempts < 50) {
					var newX = 200 + Math.random() * (2048 - 400); // Keep away from edges
					var newY = 400 + Math.random() * (2732 - 800); // Keep away from edges and top menu
					// Check if position is far enough from existing positions
					var tooClose = false;
					for (var existingPos = 0; existingPos < positions.length; existingPos++) {
						var dx = newX - positions[existingPos].x;
						var dy = newY - positions[existingPos].y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < 300) {
							// Minimum distance between elements
							tooClose = true;
							break;
						}
					}
					if (!tooClose) {
						positions.push({
							x: newX,
							y: newY
						});
						validPosition = true;
					}
					attempts++;
				}
				// Fallback if no valid position found after attempts
				if (!validPosition) {
					positions.push({
						x: 400 + p * 600,
						y: 800 + p * 400
					});
				}
			}
			// Key
			var key = new Key();
			key.x = positions[0].x;
			key.y = positions[0].y;
			game.addChild(key);
			puzzle1Elements.push(key);
			// Door
			var door = new Door();
			door.x = positions[1].x;
			door.y = positions[1].y;
			game.addChild(door);
			puzzle1Elements.push(door);
		}
	} else if (state === STATE_PUZZLE1_SUCCESS) {
		// Remove puzzle elements
		if (typeof puzzle1Elements !== "undefined") {
			for (var i = 0; i < puzzle1Elements.length; i++) {
				puzzle1Elements[i].destroy();
			}
		}
	} else if (state === STATE_PUZZLE2) {
		setGuiText("A quiet chamber. Faint scents and the weight of stone surround you.", 'vo_puzzle2_intro');
		// Clear previous puzzle elements
		if (puzzle2Elements.length > 0) {
			for (var i = 0; i < puzzle2Elements.length; i++) {
				puzzle2Elements[i].destroy();
			}
		}
		puzzle2Elements = [];
		bothChestsOpened = false;
		hasVialOfClarity = false;
		trapActive = false;
		// Generate random positions for 2 chests and 1 door
		var positions = [];
		for (var p = 0; p < 3; p++) {
			var validPosition = false;
			var attempts = 0;
			while (!validPosition && attempts < 50) {
				var newX = 300 + Math.random() * (2048 - 600);
				var newY = 500 + Math.random() * (2732 - 1000);
				var tooClose = false;
				for (var existingPos = 0; existingPos < positions.length; existingPos++) {
					var dx = newX - positions[existingPos].x;
					var dy = newY - positions[existingPos].y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance < 400) {
						tooClose = true;
						break;
					}
				}
				if (!tooClose) {
					positions.push({
						x: newX,
						y: newY
					});
					validPosition = true;
				}
				attempts++;
			}
			if (!validPosition) {
				positions.push({
					x: 400 + p * 500,
					y: 900 + p * 300
				});
			}
		}
		// Randomly assign which chest is Vial and which is Trap
		var vialChestIndex = Math.floor(Math.random() * 2);
		var trapChestIndex = 1 - vialChestIndex;
		// Create chests
		for (var c = 0; c < 2; c++) {
			var chest = new Chest();
			var isVial = c === vialChestIndex;
			var isTrap = c === trapChestIndex;
			chest.setup(c, isVial, isTrap);
			chest.x = positions[c].x;
			chest.y = positions[c].y;
			game.addChild(chest);
			puzzle2Elements.push(chest);
		}
		// Create stone door (always visible)
		var stoneDoor = new StoneDoor();
		stoneDoor.x = positions[2].x;
		stoneDoor.y = positions[2].y;
		stoneDoor.visible = true; // Always visible
		game.addChild(stoneDoor);
		puzzle2Elements.push(stoneDoor);
	} else if (state === STATE_PUZZLE2_SUCCESS) {
		// Clean up puzzle 2 elements
		if (puzzle2Elements.length > 0) {
			for (var i = 0; i < puzzle2Elements.length; i++) {
				puzzle2Elements[i].destroy();
			}
			puzzle2Elements = [];
		}
		// Stop annoying trap sound if running
		stopAnnoyingTrapSound();
		// Individual success narration for puzzle2
		setGuiText("A deep rumble. The door yields, revealing the unknown beyond.", 'vo_puzzle2_success');
		// Transition to puzzle 3 after a delay
		LK.setTimeout(function () {
			goToState(STATE_PUZZLE3);
		}, 3000);
	} else if (state === STATE_PUZZLE3) {
		setGuiText("Another chamber. You sense a gate ahead, but something blocks it.", 'vo_puzzle3_intro');
		playNarration('vo_puzzle3_intro', {
			loop: false
		});
		// Don't clear puzzle 3 elements, just remove them from display if needed
		if (puzzle3Elements.length > 0) {
			for (var i = 0; i < puzzle3Elements.length; i++) {
				if (puzzle3Elements[i].parent) {
					puzzle3Elements[i].parent.removeChild(puzzle3Elements[i]);
				}
			}
		}
		// Only generate positions if elements don't exist yet
		if (puzzle3Elements.length === 0) {
			// Generate positions for puzzle 3 elements
			var positions = [];
			for (var p = 0; p < 3; p++) {
				var validPosition = false;
				var attempts = 0;
				while (!validPosition && attempts < 50) {
					var newX = 300 + Math.random() * (2048 - 600);
					var newY = 500 + Math.random() * (2732 - 1000);
					var tooClose = false;
					for (var existingPos = 0; existingPos < positions.length; existingPos++) {
						var dx = newX - positions[existingPos].x;
						var dy = newY - positions[existingPos].y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < 400) {
							tooClose = true;
							break;
						}
					}
					if (!tooClose) {
						positions.push({
							x: newX,
							y: newY
						});
						validPosition = true;
					}
					attempts++;
				}
				if (!validPosition) {
					positions.push({
						x: 400 + p * 500,
						y: 900 + p * 300
					});
				}
			}
			// Create gate
			puzzle3Gate = new Gate();
			puzzle3Gate.x = positions[0].x;
			puzzle3Gate.y = positions[0].y;
			game.addChild(puzzle3Gate);
			puzzle3Elements.push(puzzle3Gate);
			// Create floor tile
			puzzle3FloorTile = new FloorTile();
			puzzle3FloorTile.x = positions[1].x;
			puzzle3FloorTile.y = positions[1].y;
			puzzle3FloorTile.linkedGate = puzzle3Gate;
			game.addChild(puzzle3FloorTile);
			puzzle3Elements.push(puzzle3FloorTile);
			// Create heavy rock
			puzzle3Rock = new HeavyRock();
			puzzle3Rock.x = positions[2].x;
			puzzle3Rock.y = positions[2].y;
			// Store initial position to prevent unwanted position changes
			puzzle3Rock.initialX = positions[2].x;
			puzzle3Rock.lastX = positions[2].x; // Initialize lastX
			puzzle3Rock.initialY = positions[2].y;
			puzzle3Rock.lastY = positions[2].y; // Initialize lastY
			game.addChild(puzzle3Rock);
			puzzle3Elements.push(puzzle3Rock);
		} else {
			// Re-add existing elements to the game
			for (var i = 0; i < puzzle3Elements.length; i++) {
				game.addChild(puzzle3Elements[i]);
			}
		}
	} else if (state === STATE_PUZZLE3_SUCCESS) {
		// Clean up puzzle 3 elements
		if (puzzle3Elements.length > 0) {
			for (var i = 0; i < puzzle3Elements.length; i++) {
				puzzle3Elements[i].destroy();
			}
			puzzle3Elements = [];
		}
		setGuiText("Success! The gate remains open. You've mastered the chamber's mechanics.", 'vo_puzzle3_success');
		// Transition to puzzle 4 after a delay
		LK.setTimeout(function () {
			goToState(STATE_PUZZLE4);
		}, 3000);
	} else if (state === STATE_PUZZLE4) {
		setGuiText("A final chamber. Four chimes hang before you. Listen carefully...", 'vo_puzzle4_intro');
		// Clear previous puzzle elements
		if (puzzle4Elements.length > 0) {
			for (var i = 0; i < puzzle4Elements.length; i++) {
				puzzle4Elements[i].destroy();
			}
		}
		puzzle4Elements = [];
		correctChimeSequence = [];
		playerChimeSequence = [];
		puzzle4Complete = false;
		// Create 4 chimes arranged horizontally
		var chimeWidth = 2048 / 4;
		for (var i = 0; i < 4; i++) {
			var chime = new Chime();
			chime.setup(i);
			chime.x = chimeWidth * i + chimeWidth / 2;
			chime.y = 2732 / 2;
			// Assign chime sounds
			chime.chimeSound = LK.getSound('sfx_chime_' + (i + 1));
			game.addChild(chime);
			puzzle4Elements.push(chime);
		}
		// Generate random sequence
		for (var i = 0; i < 4; i++) {
			correctChimeSequence.push(Math.floor(Math.random() * 4));
		}
		// Play the sequence after a delay
		LK.setTimeout(function () {
			playChimeSequence();
		}, 2000);
	} else if (state === STATE_PUZZLE4_SUCCESS) {
		var showPuzzle4Congrats = function showPuzzle4Congrats() {
			if (waitingForPuzzle4Congrats) {
				waitingForPuzzle4Congrats = false;
				setGuiText("Congratulations! You've completed all puzzles.\n\nThank you for playing!", 'vo_game_complete');
			}
		};
		// Clean up puzzle 4 elements
		if (puzzle4Elements.length > 0) {
			for (var i = 0; i < puzzle4Elements.length; i++) {
				puzzle4Elements[i].destroy();
			}
			puzzle4Elements = [];
		}
		setGuiText("The chimes ring in harmony. You've conquered the deadly chimes!", 'vo_puzzle4_success');
		var waitingForPuzzle4Congrats = true;
		// Allow player to tap to see final message
		var oldDown = game.down;
		game.down = function (x, y, obj) {
			if (currentState === STATE_PUZZLE4_SUCCESS && waitingForPuzzle4Congrats) {
				showPuzzle4Congrats();
				return;
			}
			if (typeof oldDown === "function") {
				oldDown(x, y, obj);
			}
		};
	}
	lockInput(800);
	// Create toggle button for tapCircle visibility (only when there are interactive elements)
	var hasInteractiveElements = state === STATE_PUZZLE1 && puzzle1Elements.length > 0 || state === STATE_PUZZLE2 && puzzle2Elements.length > 0 || state === STATE_PUZZLE3 && puzzle3Elements.length > 0 || state === STATE_PUZZLE4 && puzzle4Elements.length > 0;
	if (state !== STATE_HEADPHONES && hasInteractiveElements) {
		tapCircleToggle = new Container();
		var eyeIcon = tapCircleToggle.attachAsset(tapCirclesVisible ? 'eyeOpen' : 'eyeClosed', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		tapCircleToggle.interactive = true;
		tapCircleToggle.buttonMode = true;
		tapCircleToggle.down = function () {
			tapCirclesVisible = !tapCirclesVisible;
			// Update the eye icon
			tapCircleToggle.removeChildren();
			var newEyeIcon = tapCircleToggle.attachAsset(tapCirclesVisible ? 'eyeOpen' : 'eyeClosed', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			// Update visibility of all tapCircles only
			updateTapCircleVisibility();
		};
		LK.gui.top.addChild(tapCircleToggle);
		tapCircleToggle.y = 100; // Move toggle button 100 pixels down
	}
}
// --- Puzzle 1 Logic ---
// For MVP: Simple puzzle, e.g. "Tap twice to continue"
function handlePuzzle1Tap() {
	if (puzzle1Step === 0) {
		// First tap
		puzzle1Step = 1;
		LK.getSound('sfx_tap').play();
		// Optionally, play a short instruction or feedback
		setGuiText("Good! Tap again to solve the puzzle.");
		lockInput(600);
	} else if (puzzle1Step === 1) {
		// Second tap, puzzle solved
		LK.getSound('sfx_success').play();
		goToState(STATE_PUZZLE1_SUCCESS);
	}
}
// --- Input Handling ---
// Visual tap feedback for sighted users
function showTapFeedback(x, y) {
	var tapFx = new TapFeedback();
	tapFx.showAt(x, y);
	game.addChild(tapFx);
}
// Main tap handler
game.down = function (x, y, obj) {
	if (inputLocked) {
		return;
	}
	// Check if this is a double-tap at game level
	var now = Date.now();
	var timeSinceLastTap = now - lastTapTime;
	var tapDistance = Math.sqrt((x - lastTapX) * (x - lastTapX) + (y - lastTapY) * (y - lastTapY));
	var isDoubleTap = timeSinceLastTap < doubleTapThreshold && timeSinceLastTap > 50 && tapDistance < doubleTapDistanceThreshold;
	// First check if tap is on an interactive element
	var tappedElement = null;
	var tapOnElement = false;
	// Check puzzle 1 elements
	if (currentState === STATE_PUZZLE1 && typeof puzzle1Elements !== "undefined") {
		for (var i = 0; i < puzzle1Elements.length; i++) {
			var el = puzzle1Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				tappedElement = el;
				tapOnElement = true;
				break;
			}
		}
	}
	// Check puzzle 2 elements
	if (currentState === STATE_PUZZLE2 && typeof puzzle2Elements !== "undefined") {
		for (var i = 0; i < puzzle2Elements.length; i++) {
			var el = puzzle2Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				tappedElement = el;
				tapOnElement = true;
				break;
			}
		}
	}
	// Check puzzle 3 elements
	if (currentState === STATE_PUZZLE3 && typeof puzzle3Elements !== "undefined") {
		for (var i = 0; i < puzzle3Elements.length; i++) {
			var el = puzzle3Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				tappedElement = el;
				tapOnElement = true;
				break;
			}
		}
	}
	// If tapping on an element, let the element handle voice-over management
	// Only stop voice-over if NOT tapping on an element, or if it's a single tap on non-interactive area
	if (currentVoiceOver && !tapOnElement) {
		currentVoiceOver.stop();
		currentVoiceOver = null;
	}
	// Update last tap info
	lastTapTime = now;
	lastTapX = x;
	lastTapY = y;
	showTapFeedback(x, y);
	if (currentState === STATE_HEADPHONES) {
		if (isDoubleTap) {
			goToState(STATE_MENU);
		}
	} else if (currentState === STATE_MENU) {
		// Menu taps are handled by individual menu option elements
	} else if (currentState === STATE_HOW_TO_PLAY) {
		if (isDoubleTap) {
			goToState(STATE_MENU);
		}
	} else if (currentState === STATE_CREDITS) {
		if (isDoubleTap) {
			goToState(STATE_MENU);
		}
	} else if (currentState === STATE_INTRO) {
		// Double tap to continue from intro to puzzle
		if (isDoubleTap) {
			goToState(STATE_PUZZLE1);
		}
	} else if (currentState === STATE_PUZZLE1) {
		// Route tap to nearest element if within range, else generic feedback
		var tapped = false;
		if (typeof puzzle1Elements !== "undefined") {
			for (var i = 0; i < puzzle1Elements.length; i++) {
				var el = puzzle1Elements[i];
				var dx = x - el.x;
				var dy = y - el.y;
				var dist = Math.sqrt(dx * dx + dy * dy);
				if (dist < el.hitRadius) {
					// within tapCircle radius
					if (typeof el.down === "function") {
						el.down(x, y, obj);
						tapped = true;
						break;
					}
				}
			}
		}
		if (!tapped) {
			// Pool of random 'nothing here' phrases and their corresponding voice-over asset ids
			var nothingHerePhrasesVO = [{
				text: "Just cold stone beneath your fingers.",
				vo: "vo_nothing_cold_stone"
			}, {
				text: "Nothing unusual here.",
				vo: "vo_nothing_unusual"
			}, {
				text: "Rough wall. Nothing of interest.",
				vo: "vo_nothing_rough_wall"
			}, {
				text: "Only silence greets you.",
				vo: "vo_nothing_silence"
			}, {
				text: "You reach out… and find nothing new.",
				vo: "vo_nothing_reach_out"
			}, {
				text: "Your hand brushes empty air.",
				vo: "vo_nothing_brush_air"
			}, {
				text: "It’s quiet here. Too quiet.",
				vo: "vo_nothing_quiet"
			}, {
				text: "Nothing but shadows.",
				vo: "vo_nothing_shadows"
			}, {
				text: "This spot feels empty.",
				vo: "vo_nothing_spot_empty"
			}, {
				text: "Just part of the dungeon wall.",
				vo: "vo_nothing_dungeon_wall"
			}, {
				text: "You feel around, but there’s nothing here.",
				vo: "vo_nothing_feel_around"
			}, {
				text: "Only old stone. Try elsewhere.",
				vo: "vo_nothing_old_stone"
			}];
			// Pick a random phrase and its voice-over
			var idx = Math.floor(Math.random() * nothingHerePhrasesVO.length);
			setGuiText(nothingHerePhrasesVO[idx].text, nothingHerePhrasesVO[idx].vo);
		}
	} else if (currentState === STATE_PUZZLE1_SUCCESS) {
		// Double tap to continue to puzzle 2
		if (isDoubleTap) {
			goToState(STATE_PUZZLE2);
		}
	} else if (currentState === STATE_PUZZLE2) {
		// Route tap to nearest element
		var tapped = false;
		for (var i = 0; i < puzzle2Elements.length; i++) {
			var el = puzzle2Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				if (typeof el.down === "function") {
					el.down(x, y, obj);
					tapped = true;
					break;
				}
			}
		}
		if (!tapped) {
			// Pool of random 'nothing here' phrases and their corresponding voice-over asset ids
			var nothingHerePhrasesVO = [{
				text: "Just cold stone beneath your fingers.",
				vo: "vo_nothing_cold_stone"
			}, {
				text: "Nothing unusual here.",
				vo: "vo_nothing_unusual"
			}, {
				text: "Rough wall. Nothing of interest.",
				vo: "vo_nothing_rough_wall"
			}, {
				text: "Only silence greets you.",
				vo: "vo_nothing_silence"
			}, {
				text: "You reach out… and find nothing new.",
				vo: "vo_nothing_reach_out"
			}, {
				text: "Your hand brushes empty air.",
				vo: "vo_nothing_brush_air"
			}, {
				text: "It’s quiet here. Too quiet.",
				vo: "vo_nothing_quiet"
			}, {
				text: "Nothing but shadows.",
				vo: "vo_nothing_shadows"
			}, {
				text: "This spot feels empty.",
				vo: "vo_nothing_spot_empty"
			}, {
				text: "Just part of the dungeon wall.",
				vo: "vo_nothing_dungeon_wall"
			}, {
				text: "You feel around, but there’s nothing here.",
				vo: "vo_nothing_feel_around"
			}, {
				text: "Only old stone. Try elsewhere.",
				vo: "vo_nothing_old_stone"
			}];
			// Pick a random phrase and its voice-over
			var idx = Math.floor(Math.random() * nothingHerePhrasesVO.length);
			setGuiText(nothingHerePhrasesVO[idx].text, nothingHerePhrasesVO[idx].vo);
		}
	} else if (currentState === STATE_PUZZLE2_SUCCESS) {
		// Double tap to continue to puzzle 3
		if (isDoubleTap) {
			goToState(STATE_PUZZLE3);
		}
	} else if (currentState === STATE_PUZZLE3) {
		// Route tap to nearest element
		var tapped = false;
		for (var i = 0; i < puzzle3Elements.length; i++) {
			var el = puzzle3Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				if (typeof el.down === "function") {
					el.down(x, y, obj);
					tapped = true;
					break;
				}
			}
		}
		if (!tapped) {
			// Random 'nothing here' feedback
			var nothingHerePhrasesVO = [{
				text: "Just cold stone beneath your fingers.",
				vo: "vo_nothing_cold_stone"
			}, {
				text: "Nothing unusual here.",
				vo: "vo_nothing_unusual"
			}, {
				text: "Rough wall. Nothing of interest.",
				vo: "vo_nothing_rough_wall"
			}, {
				text: "Only silence greets you.",
				vo: "vo_nothing_silence"
			}, {
				text: "You reach out… and find nothing new.",
				vo: "vo_nothing_reach_out"
			}];
			var idx = Math.floor(Math.random() * nothingHerePhrasesVO.length);
			setGuiText(nothingHerePhrasesVO[idx].text, nothingHerePhrasesVO[idx].vo);
		}
	} else if (currentState === STATE_PUZZLE3_SUCCESS) {
		// Handled by state transition
	} else if (currentState === STATE_PUZZLE4) {
		// Route tap to chimes
		var tapped = false;
		for (var i = 0; i < puzzle4Elements.length; i++) {
			var el = puzzle4Elements[i];
			var dx = x - el.x;
			var dy = y - el.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < el.hitRadius) {
				if (typeof el.down === "function") {
					el.down(x, y, obj);
					tapped = true;
					break;
				}
			}
		}
		if (!tapped) {
			setGuiText("Tap on the chimes to interact with them.", 'vo_tap_chimes_hint');
		}
	} else if (currentState === STATE_PUZZLE4_SUCCESS) {
		// Double tap to restart game
		if (isDoubleTap) {
			goToState(STATE_HEADPHONES);
		}
	}
};
// Prevent drag/hold from causing issues
game.move = function (x, y, obj) {
	// Handle rock dragging in puzzle 3
	if (currentState === STATE_PUZZLE3 && puzzle3Rock && puzzle3Rock.isDragging) {
		// Move rock directly to touch position (no offset)
		puzzle3Rock.x = x;
		puzzle3Rock.y = y;
		// Play drag sound periodically
		var now = Date.now();
		if (now - puzzle3Rock.lastDragSoundTime > 500) {
			LK.getSound('sfx_rock_drag').play();
			puzzle3Rock.lastDragSoundTime = now;
		}
	}
};
game.up = function (x, y, obj) {
	// Route up event to elements for hold detection
	if (currentState === STATE_PUZZLE1) {
		if (typeof puzzle1Elements !== "undefined") {
			for (var i = 0; i < puzzle1Elements.length; i++) {
				var el = puzzle1Elements[i];
				if (typeof el.up === "function" && el.isHolding) {
					el.up(x, y, obj);
				}
			}
		}
	} else if (currentState === STATE_PUZZLE3) {
		// Always stop rock dragging on any finger lift
		if (puzzle3Rock && puzzle3Rock.isDragging) {
			puzzle3Rock.isDragging = false;
			// Check if rock is on the floor tile
			if (puzzle3FloorTile && puzzle3Rock.intersects(puzzle3FloorTile)) {
				puzzle3FloorTile.pressWithRock();
			} else if (puzzle3FloorTile && puzzle3FloorTile.isPressedByRock) {
				// Rock was moved off the tile
				puzzle3FloorTile.releaseFromRock();
			}
		}
		// Handle release for puzzle 3 elements
		for (var i = 0; i < puzzle3Elements.length; i++) {
			var el = puzzle3Elements[i];
			if (typeof el.up === "function") {
				// Check if release is near the element
				var dx = x - el.x;
				var dy = y - el.y;
				var dist = Math.sqrt(dx * dx + dy * dy);
				if (dist < el.hitRadius || el.isPressed) {
					el.up(x, y, obj);
				}
			}
		}
		// Do not automatically complete puzzle when rock is on tile
		// Player must double-tap the open gate to proceed
	}
};
// --- Game Start ---
goToState(STATE_HEADPHONES);

===================================================================
--- original.js
+++ change.js
@@ -429,18 +429,24 @@
 					self.pendingVOTimeout = null;
 				}, 300); // Wait 300ms to see if second tap comes
 				// Schedule soft chime sound
 				self.pendingSingleTapTimeout = LK.setTimeout(function () {
-					// Play soft chime sound at lower volume
-					if (self.chimeSound && !self.isCommitted) {
-						var softSound = self.chimeSound;
-						softSound.volume = 0.3; // Set to 30% volume for soft tap
-						softSound.play();
-						// Reset volume after playing
-						LK.setTimeout(function () {
-							softSound.volume = 1.0; // Reset to full volume
-						}, 100);
-					}
+					// Play instruction VO first
+					var instructionVO = LK.getSound('vo_chime_instruction');
+					instructionVO.play();
+					// Wait for instruction to finish before playing chime sound
+					LK.setTimeout(function () {
+						// Play soft chime sound at lower volume
+						if (self.chimeSound && !self.isCommitted) {
+							var softSound = self.chimeSound;
+							softSound.volume = 0.3; // Set to 30% volume for soft tap
+							softSound.play();
+							// Reset volume after playing
+							LK.setTimeout(function () {
+								softSound.volume = 1.0; // Reset to full volume
+							}, 100);
+						}
+					}, 3000); // Wait for instruction VO to finish
 					self.pendingSingleTapTimeout = null;
 				}, 300); // Same delay as voice-over
 				self.lastTapTime = now;
 			}