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

/**** 
* Classes
****/ 
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	self.enemyTypeString = null;
	self.config = null;
	self.graphics = null;
	self.movementSpeed = 4; // Slightly slower than player's base dig speed
	self.targetOreBlock = null;
	self.shootCooldown = 0;
	self.maxShootCooldown = 240; // 4 seconds at 60FPS
	self.associatedZoneIndex = -1;
	self.fiftyMileZoneId = -1; // To track which 50-mile depth zone this enemy belongs to
	self.initEnemy = function (enemyTypeString, initialX, initialY, zoneIndex, fiftyMileZoneId) {
		self.fiftyMileZoneId = fiftyMileZoneId;
		self.enemyTypeString = enemyTypeString;
		self.config = ENEMY_CONFIG[enemyTypeString]; // ENEMY_CONFIG must be global
		if (!self.config) {
			console.log("Error: Invalid enemyTypeString for Enemy: " + enemyTypeString);
			self.shouldBeDestroyed = true;
			return;
		}
		self.graphics = self.attachAsset(self.config.asset, {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.8,
			// Enemies are 100x100, scale up to be more visible (like 180x180)
			scaleY: 1.8
		});
		self.x = initialX;
		self.y = initialY;
		self.associatedZoneIndex = zoneIndex;
		self.shootCooldown = Math.random() * self.maxShootCooldown;
		self.isAttackingPlayer = false; // Initialize new state property
		self.hasCollectedTreasure = false; // Track if enemy has collected treasure for shooting
		self.lastX = self.x; // Initialize last positions
		self.lastY = self.y;
	};
	self.findTargetOre = function () {
		// Don't interrupt ore finding during scrolling - enemies should continue seeking targets
		var closestOre = null;
		var minDistanceSq = Infinity;
		for (var r = 0; r < terrain.length; r++) {
			for (var c = 0; c < terrain[r].length; c++) {
				var block = terrain[r][c];
				if (block && block.blockType === 'terrain' && block.visible && block.hasTreasure && block.treasureType === self.config.ore) {
					if (typeof block.originalDepth === 'undefined') {
						continue;
					}
					var oreDepthInMiles = Math.floor(block.originalDepth / (blockSize / 2));
					var oreTreasureZone = Math.floor(oreDepthInMiles / 1000) % 5;
					if (oreTreasureZone !== self.associatedZoneIndex) {
						continue;
					}
					// No vertical restrictions - enemies can target any visible ore
					var dx = block.x + blockSize / 2 - self.x;
					var dy = block.y + blockSize / 2 - self.y;
					var distSq = dx * dx + dy * dy;
					if (distSq < minDistanceSq) {
						minDistanceSq = distSq;
						closestOre = block;
					}
				}
			}
		}
		self.targetOreBlock = closestOre;
	};
	self.shoot = function () {
		if (!player || player.destroyed || !gameStarted) {
			return;
		}
		var newShot = new EnemyShot();
		// Ensure newShot is properly initialized before adding to game scene
		game.addChild(newShot); // Add to scene first so assets can be loaded if attachAsset is deferred
		// Pass the enemy's configured ore type for the shot's appearance
		newShot.initShot(self.x, self.y, player.x, player.y, self.config.ore);
		enemyShots.push(newShot); // enemyShots must be global
		self.shootCooldown = self.maxShootCooldown + (Math.random() * 60 - 30); // Add some variance
		// No longer consuming treasure for shooting
	};
	self.update = function () {
		if (self.shouldBeDestroyed || !self.graphics) {
			return;
		}
		// Don't update enemy position if game is paused
		if (gamePaused) {
			return;
		}
		self.lastX = self.x;
		self.lastY = self.y;
		// If enemy scrolled off top by main scroll, mark for destroy
		// (graphics height check in game.update is a fallback)
		if (self.y < -(self.graphics.height * self.graphics.scale.y) && !isScrolling) {
			self.shouldBeDestroyed = true;
			return;
		}
		if (self.isAttackingPlayer) {
			if (player && !player.destroyed && gameStarted) {
				var playerTargetX = player.x;
				var playerTargetY = player.y;
				var dxToPlayer = playerTargetX - self.x;
				var dyToPlayer = playerTargetY - self.y;
				var distToPlayer = Math.sqrt(dxToPlayer * dxToPlayer + dyToPlayer * dyToPlayer);
				var effectiveSpeedAttack = self.movementSpeed;
				if (isScrolling) {
					effectiveSpeedAttack /= 2;
				}
				if (distToPlayer < self.graphics.width * self.graphics.scale.x / 2 + player.playerGraphics.width / 2 && distToPlayer < self.graphics.height * self.graphics.scale.y / 2 + player.playerGraphics.height / 2) {
					// Check for intersection / close proximity
					self.x = playerTargetX; // Snap to player for effect
					self.y = playerTargetY;
					handlePlayerDeath(); // Call new death handler
					return; // Stop further updates for this enemy
				} else if (distToPlayer > 0) {
					// Check distToPlayer > 0 to prevent division by zero
					// Allow free diagonal movement towards player
					var moveX = dxToPlayer / distToPlayer * effectiveSpeedAttack;
					var moveY = dyToPlayer / distToPlayer * effectiveSpeedAttack;
					// Compensate for scrolling - if screen is scrolling up, enemy needs to move down additionally
					if (isScrolling) {
						// During scroll, everything moves up by blockSize over scrollAnimationDuration
						// Calculate the per-frame scroll compensation
						var scrollCompensation = blockSize / (scrollAnimationDuration / (1000 / 60)); // pixels per frame
						moveY += scrollCompensation; // Add downward movement to compensate for upward scroll
					}
					// Calculate mineable area boundaries
					var leftBoundary = mineableStartX * blockSize + blockSize / 2;
					var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
					// Apply movement but clamp to mineable area
					var newX = self.x + moveX;
					self.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
					self.y += moveY;
					mineBlock(self.x, self.y, false); // Enemy action, dig while moving
				}
			} else {
				// Player doesn't exist or is destroyed, revert to ore-seeking
				self.isAttackingPlayer = false;
			}
		} else {
			// Not attacking player, try to find/mine ore
			if (!self.targetOreBlock || !self.targetOreBlock.visible || !self.targetOreBlock.hasTreasure || self.targetOreBlock.treasureType !== self.config.ore) {
				self.findTargetOre();
				if (!self.targetOreBlock) {
					// No ore found, switch to attacking player
					self.isAttackingPlayer = true;
					// Optionally, immediately try to move towards player this frame (or wait for next update cycle)
					// For now, state change is enough, next update cycle will handle movement.
				}
			}
			if (!self.isAttackingPlayer && self.targetOreBlock) {
				// Check again in case state just changed
				var targetX = self.targetOreBlock.x + blockSize / 2;
				var targetY = self.targetOreBlock.y + blockSize / 2;
				var dx = targetX - self.x;
				var dy = targetY - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				var effectiveSpeed = self.movementSpeed;
				if (isScrolling) {
					effectiveSpeed /= 2;
				}
				if (distance < effectiveSpeed) {
					self.x = targetX;
					self.y = targetY;
					// Let enemy dig any terrain block (not just ore)
					if (self.targetOreBlock && self.targetOreBlock.visible) {
						var minedCorrectOre = false;
						// Check if this is the enemy's specific treasure before actual mining action
						if (self.targetOreBlock.hasTreasure && self.targetOreBlock.treasureType === self.config.ore) {
							minedCorrectOre = true;
						}
						// Mine the block at enemy position (200x200 area like player)
						// This action "uncovers" the treasure.
						mineBlock(self.x, self.y, false); // false = not player action
						if (minedCorrectOre) {
							self.hasCollectedTreasure = true; // Confirm treasure collection
							// No longer immediately shooting when collecting treasure
						}
					}
					self.targetOreBlock = null;
				} else if (distance > 0) {
					// Check distance > 0 to prevent division by zero
					// Allow free diagonal movement - move in both X and Y simultaneously
					var moveX = dx / distance * effectiveSpeed;
					var moveY = dy / distance * effectiveSpeed;
					// Compensate for scrolling when moving
					if (isScrolling) {
						var scrollCompensation = blockSize / (scrollAnimationDuration / (1000 / 60));
						moveY += scrollCompensation;
					}
					// Calculate mineable area boundaries
					var leftBoundary = mineableStartX * blockSize + blockSize / 2;
					var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
					// Apply movement but clamp to mineable area
					var newX = self.x + moveX;
					self.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
					self.y += moveY;
					mineBlock(self.x, self.y, false); // Enemy action, dig while moving
				}
			}
		}
		// Enemy sprite flipping logic (after position update)
		if (self.graphics) {
			var baseScaleX = 1.8; // Defined in attachAsset for enemies
			// Game width is 2048, center is 1024
			if (self.x < 1024) {
				// Facing left
				self.graphics.scale.x = -baseScaleX;
			} else {
				// Facing right or center
				self.graphics.scale.x = baseScaleX;
			}
		}
		self.shootCooldown--;
		if (self.shootCooldown <= 0 && player && !player.destroyed && gameStarted) {
			// Free shooting when facing player, no treasure collection required
			self.shoot();
		}
	};
	return self;
});
var EnemyShot = Container.expand(function () {
	var self = Container.call(this);
	self.graphics = null;
	self.speed = 7; // pixels per frame - Reduced from 15 to slow down shots
	self.maxDistance = 600; // Distance limit of 600px for enemy shots
	self.distanceTraveled = 0;
	self.velocity = {
		x: 0,
		y: 0
	}; // Normalized direction vector
	// Added shotTypeAssetId parameter
	self.initShot = function (startX, startY, targetX, targetY, shotTypeAssetId) {
		self.x = startX;
		self.y = startY;
		if (!self.graphics) {
			if (shotTypeAssetId) {
				// Treasure assets are 200x200, shots are 50x50. Scale factor = 50/200 = 0.25
				var scaleFactor = 0.25;
				self.graphics = self.attachAsset(shotTypeAssetId, {
					anchorX: 0.5,
					anchorY: 0.5,
					scaleX: scaleFactor,
					scaleY: scaleFactor
				});
			} else {
				// Fallback to the generic 'EnemyShot' asset if no specific type is provided
				// This case should ideally not be hit if Enemies always specify an ore type.
				self.graphics = self.attachAsset('EnemyShot', {
					anchorX: 0.5,
					anchorY: 0.5
				});
			}
		}
		var dx = targetX - startX;
		var dy = targetY - startY;
		var magnitude = Math.sqrt(dx * dx + dy * dy);
		if (magnitude > 0) {
			self.velocity.x = dx / magnitude;
			self.velocity.y = dy / magnitude;
		} else {
			self.velocity.x = 0;
			self.velocity.y = 1; // Default to shooting downwards if target is same position
		}
		self.lastX = self.x; // Initialize last positions
		self.lastY = self.y;
	};
	self.update = function () {
		if (self.shouldBeDestroyed || !self.graphics) {
			return;
		}
		// Don't update shot position if game is paused
		if (gamePaused) {
			return;
		}
		var moveX = self.velocity.x * self.speed;
		var moveY = self.velocity.y * self.speed;
		self.lastX = self.x; // Store previous position for checks
		self.lastY = self.y;
		self.x += moveX;
		self.y += moveY;
		self.distanceTraveled += Math.sqrt(moveX * moveX + moveY * moveY);
		// Check for max distance or off-screen
		// Ensure graphics exist before checking width/height
		var graphicWidth = self.graphics ? self.graphics.width : 50;
		var graphicHeight = self.graphics ? self.graphics.height : 50;
		if (self.distanceTraveled >= self.maxDistance || self.y < -graphicHeight || self.y > 2732 + graphicHeight || self.x < -graphicWidth || self.x > 2048 + graphicWidth) {
			self.shouldBeDestroyed = true;
		}
		// Collision with player (player is global)
		if (player && !player.destroyed && self.intersects(player) && !self.shouldBeDestroyed) {
			handlePlayerDeath(); // Call new death handler
			self.shouldBeDestroyed = true;
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Store playerGraphics on self to allow access from game code for flipping
	self.playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.playerGraphics.alpha = 1;
	return self;
});
var ScoreBackground = Container.expand(function () {
	var self = Container.call(this);
	self.panel = null;
	self.titleText = null;
	self.scoresListText = null;
	self.closeButton = null;
	self.closeButtonText = null;
	self.init = function () {
		// Panel background
		self.panel = self.attachAsset('ScoreBackgroundPanel', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 0,
			// Centered because ScoreBackground instance will be added to LK.gui.center
			y: 0
		});
		self.panel.alpha = 0.95; // Slightly transparent
		self.panel.interactive = true;
		self.panel.down = function () {
			if (activeScoreBackground === self) {
				activeScoreBackground = null; // Clear the global reference
			}
			self.destroy();
		};
		// Title Text
		self.titleText = new Text2('High Scores', {
			size: 120,
			fill: 0xFFFFFF // White text
		});
		self.titleText.anchor.set(0.5, 0.5);
		self.titleText.x = 0;
		self.titleText.y = -self.panel.height / 2 + 120; // Position near top of panel
		self.addChild(self.titleText);
		// Retrieve player's Upit name and ID from storage, with defaults
		// The 'storage' variable is globally available if imported.
		var currentPlayerName = "You"; // Default name
		if (typeof storage !== 'undefined' && storage.playerName) {
			currentPlayerName = storage.playerName;
		}
		var currentPlayerID = "YOUR_ID"; // Default ID
		if (typeof storage !== 'undefined' && storage.playerUpitID) {
			currentPlayerID = storage.playerUpitID;
		}
		var currentScore = LK.getScore(); // Current session score
		var leaderboardData = []; // Initialize an empty list for leaderboard entries
		// Attempt to load leaderboard from storage (assuming Upit populates these)
		// storage.leaderboardNames, storage.leaderboardScores, storage.leaderboardIds are expected to be arrays of literals.
		if (typeof storage !== 'undefined' && Array.isArray(storage.leaderboardNames) && Array.isArray(storage.leaderboardScores) && Array.isArray(storage.leaderboardIds) && storage.leaderboardNames.length === storage.leaderboardScores.length && storage.leaderboardNames.length === storage.leaderboardIds.length) {
			for (var i = 0; i < storage.leaderboardNames.length; i++) {
				// Ensure scores are numbers, default to 0 if not.
				var scoreValue = parseInt(storage.leaderboardScores[i], 10);
				if (isNaN(scoreValue)) {
					scoreValue = 0;
				}
				leaderboardData.push({
					name: String(storage.leaderboardNames[i]),
					// Ensure name is a string
					id: String(storage.leaderboardIds[i]),
					// Ensure ID is a string
					score: scoreValue
				});
			}
		}
		// Prepare current player's entry
		var playerEntry = {
			name: currentPlayerName,
			// Already retrieved from storage or defaulted
			id: currentPlayerID,
			// Already retrieved from storage or defaulted
			score: currentScore // From LK.getScore()
		};
		// Merge current player's score: update if exists and current is higher, or add if new.
		var playerInStoredLeaderboard = false;
		for (var i = 0; i < leaderboardData.length; i++) {
			if (leaderboardData[i].id === playerEntry.id) {
				playerInStoredLeaderboard = true;
				if (playerEntry.score > leaderboardData[i].score) {
					leaderboardData[i].score = playerEntry.score;
					// Optionally update name if it could change, though ID is key
					leaderboardData[i].name = playerEntry.name;
				}
				break;
			}
		}
		if (!playerInStoredLeaderboard) {
			leaderboardData.push(playerEntry);
		}
		// Sort by score descending
		leaderboardData.sort(function (a, b) {
			return b.score - a.score;
		});
		// Create a unique list by ID, preferring the first encountered (highest score due to sort)
		var uniqueLeaderboardData = [];
		var idsOnLeaderboard = {}; // Use an object as a set for quick ID lookups
		for (var i = 0; i < leaderboardData.length; i++) {
			var entry = leaderboardData[i];
			if (!idsOnLeaderboard[entry.id]) {
				uniqueLeaderboardData.push(entry);
				idsOnLeaderboard[entry.id] = true;
			}
		}
		// Limit to top N, e.g., top 5
		var topScores = uniqueLeaderboardData.slice(0, 5);
		var scoresString = "";
		if (topScores.length > 0) {
			for (var i = 0; i < topScores.length; i++) {
				var entry = topScores[i];
				var rank = i + 1;
				var displayName = entry.name;
				// Highlight the current player
				if (entry.name === currentPlayerName && entry.id === currentPlayerID && entry.score === currentScore) {
					displayName = "* " + displayName + " *";
				}
				scoresString += rank + ". " + displayName + " (" + entry.id + "): " + entry.score + "\n";
			}
		} else if (currentScore > 0) {
			// If leaderboard empty but player has score
			scoresString = "1. * " + currentPlayerName + " * (" + currentPlayerID + "): " + currentScore + "\n";
		} else {
			scoresString = "No scores yet. Be the first!";
		}
		self.scoresListText = new Text2('', {
			// Initialize with empty string
			size: 40,
			// Adjusted size for better fit
			fill: 0xFFFFFF // White text
		});
		self.scoresListText.setText(scoresString.trim()); // Set the actual text content
		self.scoresListText.anchor.set(0.5, 0); // Anchor top-center for the text block
		self.scoresListText.x = 0;
		// Position below the title, provide enough space for title and some padding
		self.scoresListText.y = -self.panel.height / 2 + self.titleText.height + 120; // e.g. -1000 + 120 (title size) + 120 (padding) = -760
		self.addChild(self.scoresListText);
		// Close button graphic
		self.closeButton = self.attachAsset('CloseButtonAsset', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.panel.width / 2 - 80,
			// Top-right corner of the panel
			y: -self.panel.height / 2 + 80
		});
		self.closeButton.interactive = true;
		// Text "X" for the close button
		self.closeButtonText = new Text2('X', {
			size: 70,
			fill: 0xFFFFFF // White "X"
		});
		self.closeButtonText.anchor.set(0.5, 0.5);
		self.closeButtonText.x = self.closeButton.x;
		self.closeButtonText.y = self.closeButton.y;
		self.addChild(self.closeButtonText);
		// Close button functionality
		self.closeButton.down = function () {
			if (activeScoreBackground === self) {
				activeScoreBackground = null; // Clear the global reference
			}
			self.destroy();
		};
	};
	// Call init when a new ScoreBackground is created, if preferred
	// Or call it manually after creating an instance, e.g., new ScoreBackground().init();
	return self;
});
var StoneBlock = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'stone';
	var stoneGraphics = self.attachAsset('stone', {
		anchorX: 0,
		anchorY: 0
	});
	self.mine = function () {
		return false; // Stone blocks cannot be mined
	};
	return self;
});
var TerrainBlock = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'terrain';
	self.hasTreasure = false;
	self.treasureType = null;
	self.treasureGraphics = null;
	var blockGraphics = self.attachAsset('terrain', {
		anchorX: 0,
		anchorY: 0
	});
	self.graphics = blockGraphics;
	self.setTreasure = function (type, blockDepth) {
		// Added blockDepth argument
		self.hasTreasure = true;
		self.treasureType = type;
		self.originalDepth = blockDepth; // Store the depth at which this treasure was generated
		// Create and display the actual treasure image
		if (type) {
			self.treasureGraphics = self.attachAsset(type, {
				anchorX: 0.5,
				anchorY: 0.5,
				x: blockSize / 2,
				y: blockSize / 2,
				scaleX: 0.8,
				scaleY: 0.8
			});
		}
	};
	self.mine = function () {
		if (self.blockType === 'stone') {
			return false;
		}
		self.visible = false;
		if (self.treasureGraphics) {
			self.treasureGraphics.visible = false;
		}
		return true;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// A flat red for the button
// A nice dark blue/grey
game.setBackgroundColor(0x000000);
var blockSize = 200;
var gridWidth = Math.floor(2048 / blockSize);
var gridHeight = Math.floor(2732 / blockSize);
var stoneWallWidth = 1;
var mineableStartX = stoneWallWidth;
var mineableEndX = gridWidth - stoneWallWidth;
var terrain = [];
var player;
var depth = 0;
var score = 0;
var isDragging = false;
var targetX = null;
var targetY = null;
var isScrolling = false; // Flag to indicate if a scroll animation is in progress
var playerSpeed = 40; // Pixels per frame
var scrollAnimationDuration = 500; // Duration for scroll animation in milliseconds
var treasureCounts = {
	bronze: 0,
	silver: 0,
	gold: 0,
	diamond: 0,
	crystal: 0
};
var INITIAL_PLAYER_LIVES = 5;
var playerLives = INITIAL_PLAYER_LIVES;
var enemies = [];
var enemyShots = [];
var FIFTY_MILE_DEPTH_PIXELS = 50 * (blockSize / 2); // 50 miles * 100 pixels/mile = 5000 pixels
var ENEMY_SPAWN_CHANCE = 0.03; // 3% chance per eligible block in a new row
var MAX_ENEMIES_PER_ZONE_ONSCREEN = 2; // Limit enemies per zone currently visible
var ENEMY_CONFIG = {
	'bronze': {
		asset: 'BronzeEnemy',
		ore: 'bronze',
		zone: 0
	},
	'silver': {
		asset: 'SilverEnemy',
		ore: 'silver',
		zone: 1
	},
	'gold': {
		asset: 'GoldEnemy',
		ore: 'gold',
		zone: 2
	},
	'diamond': {
		asset: 'DiamondEnemy',
		ore: 'diamond',
		zone: 3
	},
	'crystal': {
		asset: 'CrystalEnemy',
		ore: 'crystal',
		zone: 4
	}
};
var ZONE_TO_ENEMY_TYPE = ['bronze', 'silver', 'gold', 'diamond', 'crystal'];
// Each 1000 miles (depth units) has a specific treasure type
var gameStarted = false;
var introContainer = null;
var activeScoreBackground = null; // To manage the score panel instance
var lastFiftyMileSpawnCheckDepth = 0; // Track last depth where 50-mile enemy spawn check occurred
var gamePaused = false; // Track if game is paused
function movePlayerTowardsTarget() {
	if (targetX === null || targetY === null || !player) {
		return;
	}
	// Calculate mineable area boundaries
	var leftBoundary = mineableStartX * blockSize + blockSize / 2;
	var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
	// Clamp target position to stay within mineable area
	targetX = Math.max(leftBoundary, Math.min(targetX, rightBoundary));
	// Move player towards target position, restricting to X or Y axis per update
	var dx = targetX - player.x;
	var dy = targetY - player.y;
	if (dx === 0 && dy === 0) {
		// Player is already at the target, no movement calculation needed.
		// The mineBlock() call after this block will handle mining at the current position.
	} else if (Math.abs(dx) > Math.abs(dy)) {
		// Prioritize horizontal movement
		if (Math.abs(dx) > playerSpeed) {
			var newX = player.x + Math.sign(dx) * playerSpeed;
			// Clamp player position to stay within mineable area
			player.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
		} else {
			player.x = targetX; // Snap to target X
		}
	} else {
		// Prioritize vertical movement if |dy| >= |dx| (this includes dx === 0, or |dx| === |dy|)
		if (Math.abs(dy) > playerSpeed) {
			player.y += Math.sign(dy) * playerSpeed;
		} else {
			player.y = targetY; // Snap to target Y
		}
	}
	// Mine at player position (true = player action)
	mineBlock(player.x, player.y, true);
	// Player sprite flipping logic
	if (player && player.playerGraphics) {
		// Game width is 2048, center is 1024
		if (player.x < 1024) {
			// Facing left
			player.playerGraphics.scale.x = -1; // Default scale is 1
		} else {
			// Facing right or center
			player.playerGraphics.scale.x = 1; // Default scale is 1
		}
	}
}
// Create score text first (will be at the back)
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
scoreText.y = 90;
scoreText.visible = false; // Hide initially
LK.gui.top.addChild(scoreText);
// Create depth text second (will be in the middle)
var depthText = new Text2('Depth: 0m', {
	size: 60,
	fill: 0xFFFFFF
});
// Create lives text
var livesText = new Text2('Lives: ' + playerLives, {
	size: 60,
	// Same size as depth text
	fill: 0xFFFFFF
});
var UI_TEXT_SPACING = 20; // Space between lives and depth text
livesText.anchor.set(1, 0); // Anchor right, top
livesText.y = 30;
livesText.x = -UI_TEXT_SPACING / 2; // Position to the left of center
livesText.visible = false; // Hide initially
LK.gui.top.addChild(livesText);
depthText.anchor.set(0, 0); // Anchor left, top
depthText.y = 30;
depthText.x = UI_TEXT_SPACING / 2; // Position to the right of center
depthText.visible = false; // Hide initially
LK.gui.top.addChild(depthText);
// Create treasure count displays
var treasureTexts = {};
var treasureTypes = ['bronze', 'silver', 'gold', 'diamond', 'crystal'];
var treasureColors = {
	bronze: 0xCD7F32,
	silver: 0xC0C0C0,
	gold: 0xFFD700,
	diamond: 0x00FFFF,
	crystal: 0xFF69B4
};
// Create container for treasure counts
var treasureContainer = new Container();
treasureContainer.y = -20; // Move to the very top edge
treasureContainer.visible = false; // Hide initially
// Create text for each treasure type
var xOffset = -500;
for (var i = 0; i < treasureTypes.length; i++) {
	var type = treasureTypes[i];
	var text = new Text2(type.charAt(0).toUpperCase() + type.slice(1) + ': 0', {
		size: 50,
		fill: treasureColors[type]
	});
	text.anchor.set(0.5, 0);
	text.x = xOffset + i * 250;
	treasureContainer.addChild(text);
	treasureTexts[type] = text;
}
// Add container to GUI after all texts are created to ensure it appears on top
LK.gui.top.addChild(treasureContainer);
function getTreasureType(currentDepth) {
	// Each 5000 miles (250000 pixels) has a specific treasure type
	var depthInMiles = Math.floor(currentDepth / (blockSize / 2)); // Convert pixels to abstract depth units (e.g., "miles" in description). 1 unit = blockSize / 2 pixels.
	var treasureZone = Math.floor(depthInMiles / 1000); // Which 1000-mile zone
	var rand = Math.random();
	var spawnChance = 0.1; // 10% chance to spawn treasure
	if (rand > spawnChance) {
		return null; // No treasure
	}
	// Make treasure zones cycle every 5 zones (10000 miles)
	var cycledZone = treasureZone % 5;
	// Return specific treasure based on cycled zone
	switch (cycledZone) {
		case 0:
			// Bronze zone
			return 'bronze';
		case 1:
			// Silver zone
			return 'silver';
		case 2:
			// Gold zone
			return 'gold';
		case 3:
			// Diamond zone
			return 'diamond';
		case 4:
			// Crystal zone
			return 'crystal';
	}
}
function generateRow(y_rowIndex_on_screen) {
	var row = [];
	// Calculate the actual depth of this row being generated
	var currentBlockDepth = depth + y_rowIndex_on_screen * blockSize;
	for (var x = 0; x < gridWidth; x++) {
		var block;
		if (x < mineableStartX || x >= mineableEndX) {
			block = new StoneBlock();
		} else {
			block = new TerrainBlock();
			var treasureTypeForBlock = getTreasureType(currentBlockDepth);
			if (treasureTypeForBlock) {
				block.setTreasure(treasureTypeForBlock, currentBlockDepth); // Pass currentBlockDepth
			}
			// Enemy Spawning Logic (only for new rows at the bottom, y_rowIndex_on_screen === gridHeight)
			var fiftyMileZoneIdForBlock = Math.floor(currentBlockDepth / FIFTY_MILE_DEPTH_PIXELS);
			if (treasureTypeForBlock && y_rowIndex_on_screen === gridHeight && Math.random() < ENEMY_SPAWN_CHANCE) {
				var depthInMiles = Math.floor(currentBlockDepth / (blockSize / 2));
				var treasureZoneIndex = Math.floor(depthInMiles / 1000) % 5;
				var enemyTypeString = ZONE_TO_ENEMY_TYPE[treasureZoneIndex];
				if (enemyTypeString) {
					// Check 1: Is the 50-mile slot for this specific block's depth and type empty?
					var enemiesInThisFiftyMileSlot = 0;
					for (var k_idx = 0; k_idx < enemies.length; k_idx++) {
						if (!enemies[k_idx].shouldBeDestroyed && enemies[k_idx].fiftyMileZoneId === fiftyMileZoneIdForBlock && enemies[k_idx].associatedZoneIndex === treasureZoneIndex) {
							enemiesInThisFiftyMileSlot++;
						}
					}
					if (enemiesInThisFiftyMileSlot === 0) {
						// Check 2: Is the overall cap for the treasure zone not reached?
						var enemiesInThisTreasureZone = 0;
						for (var k_check = 0; k_check < enemies.length; k_check++) {
							if (!enemies[k_check].shouldBeDestroyed && enemies[k_check].associatedZoneIndex === treasureZoneIndex) {
								enemiesInThisTreasureZone++;
							}
						}
						if (enemiesInThisTreasureZone < MAX_ENEMIES_PER_ZONE_ONSCREEN) {
							if (!row.enemySpawnData) {
								row.enemySpawnData = [];
							}
							row.enemySpawnData.push({
								enemyTypeString: enemyTypeString,
								spawnX: x * blockSize + blockSize / 2,
								spawnY: y_rowIndex_on_screen * blockSize + blockSize / 2,
								// This Y is relative to screen top (0)
								treasureZoneIndex: treasureZoneIndex,
								fiftyMileZoneId: fiftyMileZoneIdForBlock
							});
						}
					}
				}
			}
		}
		block.x = x * blockSize;
		block.y = y_rowIndex_on_screen * blockSize; // Position block based on its screen row index
		game.addChild(block);
		row.push(block);
	}
	// Create enemies after all terrain blocks are added to ensure they render on top
	if (row.enemySpawnData) {
		for (var i = 0; i < row.enemySpawnData.length; i++) {
			var spawnData = row.enemySpawnData[i];
			var newEnemy = new Enemy();
			game.addChild(newEnemy); // Add to scene after terrain blocks
			newEnemy.initEnemy(spawnData.enemyTypeString, spawnData.spawnX, spawnData.spawnY, spawnData.treasureZoneIndex, spawnData.fiftyMileZoneId);
			if (!newEnemy.shouldBeDestroyed) {
				enemies.push(newEnemy);
			} else {
				newEnemy.destroy();
			}
		}
		delete row.enemySpawnData; // Clean up temporary data
	}
	return row;
}
function initializeTerrain() {
	terrain = [];
	for (var y = 0; y < gridHeight + 1; y++) {
		terrain.push(generateRow(y));
	}
}
function completeScrollCleanup() {
	// The blocks in terrain[0] are the ones that moved off-screen and whose tweens just finished.
	var topRowToDestroy = terrain[0];
	for (var x = 0; x < topRowToDestroy.length; x++) {
		var block = topRowToDestroy[x];
		// Destroy treasure graphics if they exist
		if (block.treasureGraphics) {
			block.treasureGraphics.destroy();
		}
		block.destroy(); // This removes the container and its children from the stage
	}
	terrain.shift(); // Now remove the row from our logical terrain array
	depth += blockSize;
	// Add new row at the bottom. generateRow expects the screen row index. For the new bottom row, this is gridHeight.
	terrain.push(generateRow(gridHeight));
	depthText.setText('Depth: ' + Math.floor(depth / (blockSize / 2)) + 'm');
	isScrolling = false; // Allow new scrolls
}
function scrollTerrain() {
	if (isScrolling) {
		return; // Don't start a new scroll if one is already in progress
	}
	isScrolling = true;
	var tweensCompleted = 0;
	var totalTweens = 0;
	// Calculate total number of blocks to be tweened
	for (var y_coord = 0; y_coord < terrain.length; y_coord++) {
		totalTweens += terrain[y_coord].length;
	}
	var itemsToScroll = [];
	// Add terrain blocks
	for (var r = 0; r < terrain.length; r++) {
		for (var c = 0; c < terrain[r].length; c++) {
			itemsToScroll.push(terrain[r][c]);
		}
	}
	// Add active enemies
	for (var i = 0; i < enemies.length; i++) {
		if (!enemies[i].shouldBeDestroyed) {
			itemsToScroll.push(enemies[i]);
		}
	}
	// Add active enemy shots
	for (var i = 0; i < enemyShots.length; i++) {
		if (!enemyShots[i].shouldBeDestroyed) {
			itemsToScroll.push(enemyShots[i]);
		}
	}
	totalTweens = itemsToScroll.length;
	if (totalTweens === 0) {
		isScrolling = false;
		// It's possible no terrain exists but other items do, but cleanup is tied to terrain.
		// If itemsToScroll is empty, nothing to do.
		// If only enemies/shots, they scroll, but no new terrain row generation.
		if (terrain.length === 0 || terrain[0].length === 0) {
			// If no terrain to manage, but scroll was initiated (e.g. by player action)
			// and there might be other things to scroll, depth might still conceptually increase.
			// However, completeScrollCleanup is the one that advances depth and adds rows.
			// This path implies no terrain related cleanup.
		}
		return;
	}
	// Animate each item
	var terrainBlocksWereScrolled = false;
	for (var i = 0; i < itemsToScroll.length; i++) {
		var itemToAnimate = itemsToScroll[i];
		if (itemToAnimate instanceof TerrainBlock || itemToAnimate instanceof StoneBlock) {
			terrainBlocksWereScrolled = true;
		}
		tween(itemToAnimate, {
			y: itemToAnimate.y - blockSize
		}, {
			duration: scrollAnimationDuration,
			easing: tween.linear,
			onFinish: function onScrollItemFinish() {
				tweensCompleted++;
				if (tweensCompleted === totalTweens) {
					// All items done tweening
					if (terrainBlocksWereScrolled && terrain.length > 0 && terrain[0].length > 0) {
						completeScrollCleanup(); // Call cleanup if terrain was involved
					} else {
						// No terrain was scrolled, or terrain is now empty after scrolling.
						isScrolling = false;
						// If terrain was scrolled and became empty, still update depth.
						if (terrainBlocksWereScrolled && (terrain.length === 0 || terrain.length > 0 && terrain[0].length === 0)) {
							depth += blockSize;
							depthText.setText('Depth: ' + Math.floor(depth / (blockSize / 2)) + 'm');
						}
					}
				}
			}
		});
	}
}
function mineBlock(worldX, worldY, isPlayerAction) {
	// Default isPlayerAction to true if not specified for backward compatibility
	if (typeof isPlayerAction === 'undefined') {
		isPlayerAction = true;
	}
	var gridX = Math.floor(worldX / blockSize);
	var gridY = Math.floor(worldY / blockSize);
	// Corrected boundary check for gridY: should be against terrain.length
	if (gridX < 0 || gridX >= gridWidth || gridY < 0 || gridY >= terrain.length) {
		return;
	}
	// Check if terrain row exists before accessing
	if (!terrain[gridY]) {
		return;
	}
	var block = terrain[gridY][gridX];
	if (!block || !block.visible) {
		return;
	}
	if (block.mine()) {
		// Play digging sound based on who performed the action
		if (isPlayerAction) {
			var playerDigSound = LK.getSound('Playerdiggingsound1');
			if (playerDigSound) {
				// Defensive check
				playerDigSound.play();
			}
		} else {
			// Enemy action successfully mined a block
			var enemyDigSound = LK.getSound('Enemydiggingsound1');
			if (enemyDigSound) {
				// Defensive check
				enemyDigSound.play();
			}
		}
		if (block.hasTreasure) {
			var treasureValue = 0;
			switch (block.treasureType) {
				case 'bronze':
					treasureValue = 10;
					break;
				case 'silver':
					treasureValue = 25;
					break;
				case 'gold':
					treasureValue = 50;
					break;
				case 'diamond':
					treasureValue = 100;
					break;
				case 'crystal':
					treasureValue = 150;
					break;
			}
			// Only update score and treasure counts for player actions
			if (isPlayerAction) {
				score += treasureValue;
				LK.setScore(score);
				scoreText.setText('Score: ' + score);
				treasureCounts[block.treasureType]++;
				treasureTexts[block.treasureType].setText(block.treasureType.charAt(0).toUpperCase() + block.treasureType.slice(1) + ': ' + treasureCounts[block.treasureType]);
				// Play treasure collected sound
				var treasureSound = LK.getSound('CollectedTreasuresound1');
				if (treasureSound) {
					treasureSound.play();
				}
				// Persist player's new high score to storage
				if (typeof storage !== 'undefined') {
					// Ensure currentPlayerUpitID and currentPlayerName are strings for consistent handling
					var currentPlayerUpitID = String(storage.playerUpitID || "YOUR_ID");
					var currentPlayerName = String(storage.playerName || "You");
					// Retrieve leaderboard arrays from storage. If they don't exist or aren't arrays, initialize as new empty arrays.
					// Using [].concat() creates a shallow copy, ensuring we're working with a mutable array.
					var storedLeaderboardIds = Array.isArray(storage.leaderboardIds) ? [].concat(storage.leaderboardIds) : [];
					var storedLeaderboardNames = Array.isArray(storage.leaderboardNames) ? [].concat(storage.leaderboardNames) : [];
					var storedLeaderboardScores = Array.isArray(storage.leaderboardScores) ? [].concat(storage.leaderboardScores) : [];
					var playerIndex = -1;
					for (var i = 0; i < storedLeaderboardIds.length; i++) {
						// Compare IDs as strings for consistency
						if (String(storedLeaderboardIds[i]) === currentPlayerUpitID) {
							playerIndex = i;
							break;
						}
					}
					if (playerIndex !== -1) {
						// Player exists in the stored leaderboard
						var currentStoredScore = parseInt(storedLeaderboardScores[playerIndex], 10);
						// Default to 0 if the stored score is not a valid number
						if (isNaN(currentStoredScore)) {
							currentStoredScore = 0;
						}
						// Update the stored score if the current game score (variable 'score') is higher
						if (score > currentStoredScore) {
							storedLeaderboardScores[playerIndex] = score;
							// Optionally, update the player's name if it might have changed in Upit
							// storedLeaderboardNames[playerIndex] = currentPlayerName;
						}
					} else {
						// Player is not in the stored leaderboard, so add them as a new entry
						storedLeaderboardIds.push(currentPlayerUpitID);
						storedLeaderboardNames.push(currentPlayerName);
						storedLeaderboardScores.push(score); // 'score' is the current game score
					}
					// Save the updated arrays back to storage.
					// The storage plugin will handle persisting these changes.
					storage.leaderboardIds = storedLeaderboardIds;
					storage.leaderboardNames = storedLeaderboardNames;
					storage.leaderboardScores = storedLeaderboardScores;
				}
			}
		}
		// Only trigger scrolling for player actions
		if (isPlayerAction && gridY > gridHeight / 2) {
			scrollTerrain();
		}
	}
}
function handlePlayerDeath() {
	playerLives--;
	if (livesText) {
		livesText.setText('Lives: ' + playerLives);
	}
	LK.effects.flashScreen(0xff0000, 300); // Flash screen red for losing a life
	if (playerLives > 0) {
		// Respawn player
		if (player && !player.destroyed) {
			player.x = 1024; // Respawn X (initial position)
			player.y = 200; // Respawn Y (initial position)
			targetX = player.x; // Reset drag target to prevent moving back to death spot
			targetY = player.y;
			// Optional: Make enemies briefly re-evaluate targets
			for (var i = 0; i < enemies.length; i++) {
				if (enemies[i] && !enemies[i].shouldBeDestroyed) {
					enemies[i].isAttackingPlayer = false; // Force re-evaluation of player attack
					enemies[i].targetOreBlock = null; // Force find new ore target if not attacking
				}
			}
		}
	} else {
		LK.showGameOver();
	}
}
// Create intro screen
function createIntroScreen() {
	introContainer = new Container();
	// Add intro background - since we're adding to GUI, we need different scaling approach
	var introBackground = introContainer.attachAsset('IntroBackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0
	});
	// Since we're adding to GUI.center, we need to scale based on the actual GUI dimensions
	// The GUI system automatically scales, so we need to set the background to fit the screen
	// by making it large enough to fit within the viewport
	var assetWidth = introBackground.width;
	var assetHeight = introBackground.height;
	// Defensively check for valid, positive asset dimensions before calculating scale
	if (assetWidth > 0 && assetHeight > 0) {
		// For GUI elements, we want to scale the image to fit the entire screen while maintaining aspect ratio.
		// This means the entire image will be visible within the 2048x2732 viewport, potentially leaving empty space if aspect ratios differ.
		var scaleX = 2048 / assetWidth;
		var scaleY = 2732 / assetHeight;
		// Use the smaller scale to ensure the entire image fits within screen boundaries
		var scale = Math.min(scaleX, scaleY);
		introBackground.scale.x = scale;
		introBackground.scale.y = scale;
		// Position is already centered: introContainer is in LK.gui.center,
		// and introBackground is at (0,0) within introContainer with anchor 0.5,0.5.
	} else {
		// If asset dimensions are invalid (e.g., zero or negative),
		// set scale to zero to effectively hide it and log a warning.
		introBackground.scale.x = 0;
		introBackground.scale.y = 0;
		console.log("Warning: IntroBackground asset has invalid dimensions (width: " + assetWidth + ", height: " + assetHeight + "). Cannot scale appropriately.");
	}
	// Add start button
	var startButton = introContainer.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -200,
		y: 800,
		// Lowered by 200px (was 200)
		scaleX: 4,
		scaleY: 1.5
	});
	// Make button interactive
	startButton.interactive = true;
	// Add button press handler
	startButton.down = function () {
		var startSound = LK.getSound('Startsound1');
		if (startSound) {
			startSound.play();
		}
		startGame();
	};
	// Add HighScore button to the right of start button
	var highScoreButton = introContainer.attachAsset('HighScoreButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 200,
		y: 800,
		scaleX: 4,
		scaleY: 1.5
	});
	// Make high score button interactive
	highScoreButton.interactive = true;
	// Add high score button press handler
	highScoreButton.down = function () {
		console.log("High score button pressed - displaying custom ScoreBackground.");
		// Prevent opening multiple score panels
		if (activeScoreBackground && activeScoreBackground.parent) {
			return;
		}
		var scoreScreen = new ScoreBackground();
		scoreScreen.init(); // Initialize the panel's contents
		LK.gui.center.addChild(scoreScreen); // Add to the center of the GUI layer
		activeScoreBackground = scoreScreen; // Store a reference
	};
	// Add continuous blinking animation to the start button
	function startButtonBlinkLoop() {
		tween(startButton, {
			alpha: 0.5
		}, {
			duration: 800,
			easing: tween.linear,
			onFinish: function onFinish() {
				tween(startButton, {
					alpha: 1.0
				}, {
					duration: 800,
					easing: tween.linear,
					onFinish: startButtonBlinkLoop // Loop by calling itself
				});
			}
		});
	}
	startButtonBlinkLoop(); // Start the blinking loop for the start button
	// Add continuous blinking animation to the high score button (with offset timing)
	function highScoreButtonBlinkLoop() {
		tween(highScoreButton, {
			alpha: 0.5
		}, {
			duration: 800,
			easing: tween.linear,
			onFinish: function onFinish() {
				tween(highScoreButton, {
					alpha: 1.0
				}, {
					duration: 800,
					easing: tween.linear,
					onFinish: highScoreButtonBlinkLoop // Loop by calling itself
				});
			}
		});
	}
	// Start the blinking loop for the high score button with an initial delay
	LK.setTimeout(highScoreButtonBlinkLoop, 400);
	// Add to GUI center instead of game
	LK.gui.center.addChild(introContainer);
	// Play intro music
	LK.playMusic('Intromusic1');
}
function startGame() {
	if (gameStarted) {
		return;
	}
	// Set gameStarted immediately to prevent multiple calls
	gameStarted = true;
	// Remove intro screen
	if (introContainer) {
		introContainer.destroy();
		introContainer = null;
	}
	// Show game UI elements
	scoreText.visible = true;
	depthText.visible = true;
	livesText.visible = true; // Make lives text visible
	treasureContainer.visible = true;
	// Create shop container
	var shopContainer = new Container();
	// Add shop background centered on screen
	var shopBackground = shopContainer.attachAsset('Shopbackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		// Center of screen (0 for GUI center)
		y: 0 // Center of screen (0 for GUI center)
	});
	// Add shop sign to shop container (will be moved to GUI when shop closes)
	var shopSign = shopContainer.attachAsset('ShopSign', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: shopBackground.x + shopBackground.width / 2 - 100,
		// Position relative to shop background
		y: shopBackground.y - shopBackground.height / 2 // Align with top edge of shop background
	});
	// Make shop sign interactive
	shopSign.interactive = true;
	// Add click handler to shop sign
	shopSign.down = function () {
		// Move shop sign back to shop container if it's in GUI
		if (shopSign.parent === LK.gui.topRight) {
			LK.gui.topRight.removeChild(shopSign);
			shopContainer.addChild(shopSign);
			// Reset shop sign position relative to shop background
			shopSign.x = shopBackground.x + shopBackground.width / 2 - 100;
			shopSign.y = shopBackground.y - shopBackground.height / 2;
		}
		// Show shop container when shop sign is clicked
		shopContainer.visible = true;
		// Hide shop sign when shop is open
		shopSign.visible = false;
		// Pause the game
		gamePaused = true;
	};
	// Add close button at top right corner of shop background
	var shopCloseButton = shopContainer.attachAsset('CloseButtonAsset', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: shopBackground.x + shopBackground.width / 2 - 50,
		// 50px from right edge of centered background
		y: shopBackground.y - shopBackground.height / 2 + 50 // 50px from top edge of centered background
	});
	// Make close button interactive
	shopCloseButton.interactive = true;
	// Add "X" text to close button
	var shopCloseText = new Text2('X', {
		size: 70,
		fill: 0xFFFFFF // White "X"
	});
	shopCloseText.anchor.set(0.5, 0.5);
	shopCloseText.x = shopCloseButton.x;
	shopCloseText.y = shopCloseButton.y;
	shopContainer.addChild(shopCloseText);
	// Initially hide shop container and move shop sign to GUI
	shopContainer.visible = false;
	// Move shop sign to GUI top right
	shopContainer.removeChild(shopSign);
	LK.gui.topRight.addChild(shopSign);
	shopSign.visible = true;
	shopSign.x = -100; // Offset from right edge
	shopSign.y = 180; // Below treasure texts
	// Close button functionality
	shopCloseButton.down = function () {
		shopContainer.visible = false;
		// Move shop sign to GUI and show it
		if (shopSign.parent === shopContainer) {
			shopContainer.removeChild(shopSign);
			LK.gui.topRight.addChild(shopSign);
			shopSign.visible = true;
			shopSign.x = -100; // Offset from right edge
			shopSign.y = 180; // Below treasure texts
		}
		// Unpause the game
		gamePaused = false;
	};
	// Add shop container to GUI
	LK.gui.center.addChild(shopContainer);
	// Reset lives for new game
	playerLives = INITIAL_PLAYER_LIVES;
	livesText.setText('Lives: ' + playerLives);
	// Initialize game
	initializeTerrain();
	player = game.addChild(new Player());
	player.x = 1024;
	player.y = 200;
	// Stop intro music and play game music
	LK.stopMusic();
	LK.playMusic('Gamemusic1');
}
// Create intro screen instead of starting game immediately
createIntroScreen();
game.down = function (x, y, obj) {
	if (!gameStarted) {
		return;
	}
	isDragging = true;
	// Clamp target position to game boundaries
	targetX = Math.max(0, Math.min(x, 2048));
	targetY = Math.max(0, Math.min(y, 2732));
};
game.move = function (x, y, obj) {
	if (!gameStarted) {
		return;
	}
	// Clamp target position to game boundaries
	targetX = Math.max(0, Math.min(x, 2048));
	targetY = Math.max(0, Math.min(y, 2732));
};
game.up = function (x, y, obj) {
	if (!gameStarted) {
		return;
	}
	isDragging = false;
};
game.update = function () {
	if (!gameStarted) {
		return;
	}
	if (gamePaused) {
		return; // Skip all updates when game is paused
	}
	if (player && targetX !== null && targetY !== null) {
		movePlayerTowardsTarget();
	}
	// Check for enemy spawn every 50 miles of depth progression at the top of the screen
	if (depth - lastFiftyMileSpawnCheckDepth >= FIFTY_MILE_DEPTH_PIXELS) {
		lastFiftyMileSpawnCheckDepth = Math.floor(depth / FIFTY_MILE_DEPTH_PIXELS) * FIFTY_MILE_DEPTH_PIXELS;
		// Determine treasure zone based on current depth (top of screen)
		// The enemy will spawn at the bottom, so its actual depth will be greater.
		var depthInMilesForTreasureZone = Math.floor(depth / (blockSize / 2));
		var currentTreasureZone = Math.floor(depthInMilesForTreasureZone / 1000) % 5;
		var enemyTypeString = ZONE_TO_ENEMY_TYPE[currentTreasureZone];
		if (enemyTypeString) {
			// Calculate the 50-mile zone ID for an enemy spawning at the bottom of the screen
			var effectiveSpawnDepthForUpdate = depth + (2732 - blockSize); // Approximate actual depth of new enemy
			var fiftyMileZoneIdForNewEnemy = Math.floor(effectiveSpawnDepthForUpdate / FIFTY_MILE_DEPTH_PIXELS);
			// Check 1: Is the target 50-mile slot (for bottom of screen) for this enemy type empty?
			var enemiesInTargetFiftyMileSlot = 0;
			for (var k_update_check_slot = 0; k_update_check_slot < enemies.length; k_update_check_slot++) {
				var existingEnemy = enemies[k_update_check_slot];
				if (!existingEnemy.shouldBeDestroyed && existingEnemy.fiftyMileZoneId === fiftyMileZoneIdForNewEnemy && existingEnemy.associatedZoneIndex === currentTreasureZone) {
					enemiesInTargetFiftyMileSlot++;
				}
			}
			if (enemiesInTargetFiftyMileSlot === 0) {
				// Check 2: Is the overall cap for the treasure zone not reached?
				var enemiesInThisTreasureZoneOverall = 0;
				for (var k_update_check_cap = 0; k_update_check_cap < enemies.length; k_update_check_cap++) {
					if (!enemies[k_update_check_cap].shouldBeDestroyed && enemies[k_update_check_cap].associatedZoneIndex === currentTreasureZone) {
						enemiesInThisTreasureZoneOverall++;
					}
				}
				if (enemiesInThisTreasureZoneOverall < MAX_ENEMIES_PER_ZONE_ONSCREEN) {
					// Spawn ONE enemy
					var newEnemy = new Enemy();
					game.addChild(newEnemy);
					var spawnX = Math.random() * (mineableEndX - mineableStartX - 2) * blockSize + (mineableStartX + 1) * blockSize;
					var spawnY = 2732 - blockSize; // Spawn from bottom of screen
					newEnemy.initEnemy(enemyTypeString, spawnX, spawnY, currentTreasureZone, fiftyMileZoneIdForNewEnemy);
					if (!newEnemy.shouldBeDestroyed) {
						enemies.push(newEnemy);
					} else {
						newEnemy.destroy();
					}
				}
			}
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.shouldBeDestroyed) {
			enemy.destroy();
			enemies.splice(i, 1);
		} else {
			enemy.update();
			// Additional check: if enemy graphic exists and it scrolled too high (e.g. its zone is long gone)
			if (!isScrolling && enemy.graphics && enemy.y < -(enemy.graphics.height * enemy.graphics.scale.y * 2)) {
				enemy.shouldBeDestroyed = true;
			}
		}
	}
	// Update enemy shots
	for (var i = enemyShots.length - 1; i >= 0; i--) {
		var shot = enemyShots[i];
		if (shot.shouldBeDestroyed) {
			shot.destroy();
			enemyShots.splice(i, 1);
		} else {
			shot.update();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -129,9 +129,14 @@
 						// Calculate the per-frame scroll compensation
 						var scrollCompensation = blockSize / (scrollAnimationDuration / (1000 / 60)); // pixels per frame
 						moveY += scrollCompensation; // Add downward movement to compensate for upward scroll
 					}
-					self.x += moveX;
+					// Calculate mineable area boundaries
+					var leftBoundary = mineableStartX * blockSize + blockSize / 2;
+					var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
+					// Apply movement but clamp to mineable area
+					var newX = self.x + moveX;
+					self.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
 					self.y += moveY;
 					mineBlock(self.x, self.y, false); // Enemy action, dig while moving
 				}
 			} else {
@@ -188,9 +193,14 @@
 					if (isScrolling) {
 						var scrollCompensation = blockSize / (scrollAnimationDuration / (1000 / 60));
 						moveY += scrollCompensation;
 					}
-					self.x += moveX;
+					// Calculate mineable area boundaries
+					var leftBoundary = mineableStartX * blockSize + blockSize / 2;
+					var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
+					// Apply movement but clamp to mineable area
+					var newX = self.x + moveX;
+					self.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
 					self.y += moveY;
 					mineBlock(self.x, self.y, false); // Enemy action, dig while moving
 				}
 			}
@@ -526,10 +536,10 @@
 
 /**** 
 * Game Code
 ****/ 
-// A nice dark blue/grey
 // A flat red for the button
+// A nice dark blue/grey
 game.setBackgroundColor(0x000000);
 var blockSize = 200;
 var gridWidth = Math.floor(2048 / blockSize);
 var gridHeight = Math.floor(2732 / blockSize);
@@ -597,8 +607,13 @@
 function movePlayerTowardsTarget() {
 	if (targetX === null || targetY === null || !player) {
 		return;
 	}
+	// Calculate mineable area boundaries
+	var leftBoundary = mineableStartX * blockSize + blockSize / 2;
+	var rightBoundary = (mineableEndX - 1) * blockSize + blockSize / 2;
+	// Clamp target position to stay within mineable area
+	targetX = Math.max(leftBoundary, Math.min(targetX, rightBoundary));
 	// Move player towards target position, restricting to X or Y axis per update
 	var dx = targetX - player.x;
 	var dy = targetY - player.y;
 	if (dx === 0 && dy === 0) {
@@ -606,9 +621,11 @@
 		// The mineBlock() call after this block will handle mining at the current position.
 	} else if (Math.abs(dx) > Math.abs(dy)) {
 		// Prioritize horizontal movement
 		if (Math.abs(dx) > playerSpeed) {
-			player.x += Math.sign(dx) * playerSpeed;
+			var newX = player.x + Math.sign(dx) * playerSpeed;
+			// Clamp player position to stay within mineable area
+			player.x = Math.max(leftBoundary, Math.min(newX, rightBoundary));
 		} else {
 			player.x = targetX; // Snap to target X
 		}
 	} else {