/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	collectedFootballs: []
});

/**** 
* Classes
****/ 
//Library for using the camera (the background becomes the user's camera video feed) and the microphone. It can access face coordinates for interactive play, as well detect microphone volume / voice interactions
// var facekit = LK.import('@upit/facekit.v1');
//Classes can only be defined here. You cannot create inline classes in the games code.
var Football = Container.expand(function (id) {
	var self = Container.call(this);
	self.id = id; // Unique ID for the football
	// Use the correct asset for each football type
	var assetId = id;
	// Defensive: fallback to generic if asset not found
	var validAssets = {
		'Tropical': true,
		'Cave': true,
		'Crystal': true,
		'Fire': true,
		'Galaxy': true,
		'Magic': true,
		'Snow': true,
		'Gold': true,
		'Honey': true,
		'Ocean': true,
		'Plant': true,
		'Rainbow': true,
		'Regular': true,
		'Slime': true,
		'Night': true,
		'Sky': true,
		'Cheese': true,
		'Popcorn': true,
		'Mismi': true,
		'Volcano': true
	};
	if (!validAssets[assetId]) assetId = 'football';
	self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var InventorySlot = Container.expand(function (footballId) {
	var self = Container.call(this);
	self.footballId = footballId;
	self.attachAsset('inventorySlot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Display the football if it has been collected
	if (isFootballCollected(footballId)) {
		var football = new Football(footballId);
		football.scale.set(1.75); // Scale up to fit in slot
		football.x = self.width / 2;
		football.y = self.height / 2;
		self.addChild(football);
	} else {
		// Display a placeholder or question mark for uncollected footballs
		var placeholder = new Text2('?', {
			size: 150,
			fill: 0xFFFFFF
		});
		placeholder.anchor.set(0.5);
		placeholder.x = self.width / 2;
		placeholder.y = self.height / 2;
		self.addChild(placeholder);
	}
	return self;
});
var Pack = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('pack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		// Open the pack when pressed
		openPack();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a // Dark background
});

/**** 
* Game Code
****/ 
/*
Supported Types:
1. Shape:
	- Simple geometric figures with these properties:
		* width: (required) pixel width of the shape.
		* height: (required) pixel height of the shape.
		* color: (required) color of the shape.
		* shape: (required) type of shape. Valid options: 'box', 'ellipse'.
2. Image:
	- Imported images with these properties:
		* width: (required) pixel resolution width.
		* height: (required) pixel resolution height.
		* id: (required) identifier for the image.
		* flipX: (optional) horizontal flip. Valid values: 0 (no flip), 1 (flip).
		* flipY: (optional) vertical flip. Valid values: 0 (no flip), 1 (flip).
		* orientation: (optional) rotation in multiples of 90 degrees, clockwise. Valid values:
			- 0: No rotation.
			- 1: Rotate 90 degrees.
			- 2: Rotate 180 degrees.
			- 3: Rotate 270 degrees.
			Note: Width and height remain unchanged upon flipping.
3. Sound:
	- Sound effects with these properties:
			* id: (required) identifier for the sound.
			* volume: (optional) custom volume. Valid values are a float from 0 to 1.
4. Music:
- In contract to sound effects, only one music can be played at a time
- Music is using the same API to initilize just like sound.
- Music loops by default
- Music with these config options:
		* id: (required) identifier for the sound.
	* volume: (optional) custom volume. Valid values are a float from 0 to 1.
	* start: (optional) a float from 0 to 1 used for cropping and indicates the start of the cropping
	* end: (optional) a float from 0 to 1 used for cropping and indicates the end of the cropping
*/
// Assets are automatically created and loaded either dynamically during gameplay
// or via static code analysis based on their usage in the code.
// Initialize assets used in this game. Scale them according to what is needed for the game.
// Placeholder football graphic
// Initialize music
//We have access to the following plugins. (Note that the variable names used are mandetory for each plugin)
//Only include the plugins you need to create the game.
//Minimalistic tween library which should be used for animations over time, including tinting / colouring an object, scaling, rotating, or changing any game object property.
//Storage library which should be used for persistent game data
var allFootballs = []; // Array of all possible football IDs
var packNode = null; // The visual representation of the pack
var inventoryContainer = null; // Container for inventory slots
var scoreTxt = null; // Text display for collection progress
// Define all possible football IDs (actual asset names)
allFootballs = ['Tropical', 'Cave', 'Crystal', 'Fire', 'Galaxy', 'Magic', 'Snow', 'Gold', 'Honey', 'Ocean', 'Plant', 'Rainbow', 'Regular', 'Slime', 'Night', 'Sky', 'Cheese', 'Popcorn', 'Mismi', 'Volcano'];
// Function to check if a football ID is in the player's collection
function isFootballCollected(footballId) {
	return storage.collectedFootballs.indexOf(footballId) !== -1;
}
// Function to get a random uncollected football ID
function getRandomUncollectedFootballId() {
	var uncollected = allFootballs.filter(function (id) {
		return !isFootballCollected(id);
	});
	if (uncollected.length === 0) {
		return null; // All footballs collected
	}
	var randomIndex = Math.floor(Math.random() * uncollected.length);
	return uncollected[randomIndex];
}
// Function to get a random football ID (collected or uncollected)
function getRandomFootballId() {
	var randomIndex = Math.floor(Math.random() * allFootballs.length);
	return allFootballs[randomIndex];
}
// Function to open a pack
function openPack() {
	// Remove the pack node
	if (packNode) {
		packNode.destroy();
		packNode = null;
	}
	LK.getSound('openPack').play();
	var revealedFootballs = [];
	// Generate 4 footballs. Allow duplicates, but if not all collected, bias toward uncollected for at least one slot
	var guaranteedUncollected = !allFootballs.every(isFootballCollected);
	var uncollectedGiven = false;
	for (var i = 0; i < 4; i++) {
		var footballId;
		// Guarantee at least one uncollected if possible
		if (guaranteedUncollected && !uncollectedGiven) {
			footballId = getRandomUncollectedFootballId();
			if (footballId !== null) {
				uncollectedGiven = true;
			} else {
				footballId = getRandomFootballId();
			}
		} else {
			footballId = getRandomFootballId();
		}
		revealedFootballs.push(footballId);
		// Add to collection if not already collected
		if (!isFootballCollected(footballId)) {
			storage.collectedFootballs.push(footballId);
			LK.getSound('collectFootball').play();
		}
	}
	// Update storage immediately (ensure persistence)
	storage.collectedFootballs = storage.collectedFootballs;
	// Display the revealed footballs
	var startX = (game.width - (revealedFootballs.length * 300 + (revealedFootballs.length - 1) * 50)) / 2 + 150;
	var startY = game.height / 2;
	for (var j = 0; j < revealedFootballs.length; j++) {
		var football = new Football(revealedFootballs[j]);
		football.scale.set(1.75); // Increase scale for visibility
		football.x = startX + j * 350;
		football.y = startY;
		game.addChild(football);
		// Simple animation
		tween(football, {
			y: football.y - 200
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		tween(football, {
			rotation: Math.PI * 2
		}, {
			duration: 1000,
			easing: tween.linear
		});
		// Delete football after animation is done (after 1000ms)
		// Delete football after animation is done (after 1000ms)
		(function (footballRef) {
			LK.setTimeout(function () {
				if (footballRef && footballRef.parent) {
					// Instead of destroying, position them in a straight line for a moment before inventory shows
					footballRef.x = game.width / 2 - 300 + j * 200; // Arrange in a straight line
					footballRef.y = game.height / 2 + 200; // Lower them down a bit
					// Optional: Scale down slightly
					tween(footballRef, {
						scaleX: 0.5,
						scaleY: 0.5
					}, {
						duration: 500,
						easing: tween.easeOut
					});
				}
			}, 1000);
		})(football);
	}
	// Update collection progress display
	updateCollectionProgress();
	// After a delay, show the inventory again
	LK.setTimeout(showInventory, 3000); // Show inventory after 3 seconds
}
// Function to update the collection progress display
function updateCollectionProgress() {
	var collectedCount = storage.collectedFootballs.length;
	var totalCount = allFootballs.length;
	scoreTxt.setText('Collected: ' + collectedCount + '/' + totalCount);
	// Check for win condition
	if (collectedCount === totalCount) {
		LK.showYouWin();
	}
}
// Function to show the inventory
function showInventory() {
	// Remove any revealed footballs from pack opening
	game.children.forEach(function (child) {
		if (child instanceof Football) {
			child.destroy();
		}
	});
	// Create or show the inventory container
	if (!inventoryContainer) {
		inventoryContainer = new Container();
		// Configure for horizontal scrolling
		inventoryContainer.interactive = true;
		inventoryContainer.overflow = 'scroll';
		inventoryContainer.scrollDirection = 'horizontal';
		// Add drag functionality for manual horizontal scrolling
		var dragging = false;
		var lastMouseX = 0;
		var scrollOffset = 0;
		var minScroll = 0;
		var slotWidth = 300;
		var slotHeight = 300;
		var padding = 50;
		var totalContentWidth = allFootballs.length * (slotWidth + padding) - padding;
		var maxScroll = Math.max(0, totalContentWidth - game.width);
		inventoryContainer.down = function (x, y, obj) {
			dragging = true;
			lastMouseX = x;
		};
		inventoryContainer.move = function (x, y, obj) {
			if (dragging) {
				var deltaX = x - lastMouseX;
				scrollOffset += deltaX;
				// Clamp scrollOffset to bounds
				if (scrollOffset > minScroll) scrollOffset = minScroll;
				if (scrollOffset < -maxScroll) scrollOffset = -maxScroll;
				// Move all slots accordingly
				for (var i = 0; i < inventoryContainer.children.length; i++) {
					var child = inventoryContainer.children[i];
					// Only move InventorySlot, not buttons
					if (child instanceof InventorySlot) {
						child.x = i * (slotWidth + padding) + slotWidth / 2 + scrollOffset;
					}
				}
				lastMouseX = x;
			}
		};
		inventoryContainer.up = function (x, y, obj) {
			dragging = false;
		};
		inventoryContainer.upoutside = function (x, y, obj) {
			dragging = false;
		};
		inventoryContainer.width = game.width; // Set the visible width
		inventoryContainer.height = game.height - 400; // Set the visible height, leaving space for buttons
		// Position the inventory container (example positioning)
		inventoryContainer.x = 0; // Align to the left edge
		inventoryContainer.y = 300; // Offset from top, moved down by 100 pixels
		game.addChild(inventoryContainer);
		// Arrange inventory slots in a single row
		var slotWidth = 300;
		var slotHeight = 300;
		var padding = 50;
		// Calculate the total width needed for the single row
		var totalContentWidth = allFootballs.length * (slotWidth + padding) - padding;
		inventoryContainer.contentWidth = totalContentWidth; // Set the scrollable width
		for (var i = 0; i < allFootballs.length; i++) {
			var footballId = allFootballs[i];
			var slot = new InventorySlot(footballId);
			slot.x = i * (slotWidth + padding) + slotWidth / 2;
			slot.y = slotHeight / 2; // Position vertically relative to the slot's height, keeping it in a straight line at the top of the container.
			inventoryContainer.addChild(slot);
		}
		// Add a button to open a pack
		var openPackButton = new Container();
		var buttonGraphic = openPackButton.attachAsset('pack', {
			anchorX: 0.5,
			anchorY: 0.5
		}); // Use pack graphic for button
		buttonGraphic.width = 300;
		buttonGraphic.height = 400;
		var buttonText = new Text2('Open Pack', {
			size: 60,
			fill: 0xFFFFFF
		});
		buttonText.anchor.set(0.5);
		buttonText.x = buttonGraphic.width / 2;
		buttonText.y = buttonGraphic.height / 2;
		openPackButton.addChild(buttonText);
		openPackButton.x = game.width / 2;
		openPackButton.y = game.height - 150; // Position at the bottom, adjusted for larger inventory area
		openPackButton.down = function () {
			// Remove the inventory and show the pack
			if (inventoryContainer) {
				// Destroy children first
				inventoryContainer.children.forEach(function (child) {
					child.destroy();
				});
				inventoryContainer.destroy();
				inventoryContainer = null;
			}
			showPack();
		};
		game.addChild(openPackButton);
		// Add a reset progress button at the bottom left (avoid top left 100x100 for menu)
		var resetButton = new Container();
		var resetButtonGraphic = resetButton.attachAsset('inventorySlot', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		resetButtonGraphic.width = 220;
		resetButtonGraphic.height = 120;
		var resetText = new Text2('Reset', {
			size: 60,
			fill: 0xFFFFFF
		});
		resetText.anchor.set(0.5);
		resetText.x = resetButtonGraphic.width / 2;
		resetText.y = resetButtonGraphic.height / 2;
		resetButton.addChild(resetText);
		// Place at bottom left, but not in the top left 100x100
		resetButton.x = 120;
		resetButton.y = game.height - 120; // Keep at the bottom left
		resetButton.down = function () {
			// Clear collection and restart
			storage.collectedFootballs = [];
			// Remove inventory and pack if present
			if (inventoryContainer) {
				inventoryContainer.children.forEach(function (child) {
					child.destroy();
				});
				inventoryContainer.destroy();
				inventoryContainer = null;
			}
			if (packNode) {
				packNode.destroy();
				packNode = null;
			}
			// Reset progress display
			updateCollectionProgress();
			// Show inventory again
			showInventory();
		};
		game.addChild(resetButton);
	} else {
		inventoryContainer.visible = true;
	}
	// Update the content of the inventory slots based on collected footballs
	inventoryContainer.children.forEach(function (child) {
		if (child instanceof InventorySlot) {
			// Clear existing content in the slot
			child.children.forEach(function (slotChild) {
				slotChild.destroy();
			});
			child.children = []; // Clear children array
			// Add appropriate graphic based on collection status
			if (isFootballCollected(child.footballId)) {
				var football = new Football(child.footballId);
				football.scale.set(1.75); // Ensure scale is correct on update
				football.x = child.width / 2;
				football.y = child.height / 2;
				child.addChild(football);
			} else {
				var placeholder = new Text2('?', {
					size: 150,
					fill: 0xFFFFFF
				});
				placeholder.anchor.set(0.5);
				placeholder.x = child.width / 2;
				placeholder.y = child.height / 2;
				child.addChild(placeholder);
			}
		}
	});
}
// Function to show the pack
function showPack() {
	// Remove inventory if visible
	if (inventoryContainer) {
		inventoryContainer.visible = false;
	}
	if (!packNode) {
		packNode = new Pack();
		packNode.x = game.width / 2;
		packNode.y = game.height / 2;
		game.addChild(packNode);
	} else {
		packNode.visible = true;
	}
}
// Initial setup
scoreTxt = new Text2('Collected: 0/0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.x = LK.gui.top.width / 2;
scoreTxt.y = 100; // Offset from the very top to avoid the menu icon
LK.gui.top.addChild(scoreTxt);
updateCollectionProgress(); // Initialize the score display
showInventory(); // Start by showing the inventory
// Play background music
LK.playMusic('backgroundMusic');
// Main game loop (not needed for this simple UI game)
// game.update = function () {
// };

===================================================================
--- original.js
+++ change.js
@@ -175,13 +175,22 @@
 		packNode = null;
 	}
 	LK.getSound('openPack').play();
 	var revealedFootballs = [];
-	// Generate 4 footballs. Prioritize uncollected footballs if available.
+	// Generate 4 footballs. Allow duplicates, but if not all collected, bias toward uncollected for at least one slot
+	var guaranteedUncollected = !allFootballs.every(isFootballCollected);
+	var uncollectedGiven = false;
 	for (var i = 0; i < 4; i++) {
-		var footballId = getRandomUncollectedFootballId();
-		if (footballId === null) {
-			// If all collected, just show random ones
+		var footballId;
+		// Guarantee at least one uncollected if possible
+		if (guaranteedUncollected && !uncollectedGiven) {
+			footballId = getRandomUncollectedFootballId();
+			if (footballId !== null) {
+				uncollectedGiven = true;
+			} else {
+				footballId = getRandomFootballId();
+			}
+		} else {
 			footballId = getRandomFootballId();
 		}
 		revealedFootballs.push(footballId);
 		// Add to collection if not already collected