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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function (startX, startY, targetEnemy, damage, speed) {
	var self = Container.call(this);
	self.targetEnemy = targetEnemy;
	self.damage = damage || 10;
	self.speed = speed || 5;
	self.x = startX;
	self.y = startY;
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (!self.targetEnemy || !self.targetEnemy.parent) {
			self.destroy();
			return;
		}
		var dx = self.targetEnemy.x - self.x;
		var dy = self.targetEnemy.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < self.speed) {
			// Apply damage to target enemy
			self.targetEnemy.takeDamage(self.damage);
			// Apply special effects based on bullet type
			if (self.type === 'splash') {
				// Create visual splash effect
				var splashEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'splash');
				game.addChild(splashEffect);
				// Splash damage to nearby enemies
				var splashRadius = CELL_SIZE * 1.5;
				for (var i = 0; i < enemies.length; i++) {
					var otherEnemy = enemies[i];
					if (otherEnemy !== self.targetEnemy) {
						var splashDx = otherEnemy.x - self.targetEnemy.x;
						var splashDy = otherEnemy.y - self.targetEnemy.y;
						var splashDistance = Math.sqrt(splashDx * splashDx + splashDy * splashDy);
						if (splashDistance <= splashRadius) {
							// Apply splash damage (50% of original damage)
							otherEnemy.takeDamage(self.damage * 0.5);
						}
					}
				}
			} else if (self.type === 'slow') {
				// Prevent slow effect on immune enemies
				if (!self.targetEnemy.isImmune) {
					// Create visual slow effect
					var slowEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'slow');
					game.addChild(slowEffect);
					// Apply slow effect
					// Make slow percentage scale with tower level (default 50%, up to 80% at max level)
					var slowPct = 0.5;
					if (self.sourceTowerLevel !== undefined) {
						// Scale: 50% at level 1, 60% at 2, 65% at 3, 70% at 4, 75% at 5, 80% at 6
						var slowLevels = [0.5, 0.6, 0.65, 0.7, 0.75, 0.8];
						var idx = Math.max(0, Math.min(5, self.sourceTowerLevel - 1));
						slowPct = slowLevels[idx];
					}
					if (!self.targetEnemy.slowed) {
						self.targetEnemy.originalSpeed = self.targetEnemy.speed;
						self.targetEnemy.speed *= 1 - slowPct; // Slow by X%
						self.targetEnemy.slowed = true;
						self.targetEnemy.slowDuration = 180; // 3 seconds at 60 FPS
					} else {
						self.targetEnemy.slowDuration = 180; // Reset duration
					}
				}
			} else if (self.type === 'poison') {
				// Prevent poison effect on immune enemies
				if (!self.targetEnemy.isImmune) {
					// Create visual poison effect
					var poisonEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'poison');
					game.addChild(poisonEffect);
					// Apply poison effect
					self.targetEnemy.poisoned = true;
					self.targetEnemy.poisonDamage = self.damage * 0.2; // 20% of original damage per tick
					self.targetEnemy.poisonDuration = 300; // 5 seconds at 60 FPS
				}
			} else if (self.type === 'sniper') {
				// Create visual critical hit effect for sniper
				var sniperEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'sniper');
				game.addChild(sniperEffect);
			}
			self.destroy();
		} else {
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
	};
	return self;
});
var ConfigContainer = Container.expand(function (config) {
	var self = Container.call(this);
	config = config || {};
	self.destroyed = false;
	self.tags = {};
	self.x = config.x || 0;
	self.y = config.y || 0;
	self.rotation = config.rotation || 0;
	self.alpha = config.alpha !== undefined ? config.alpha : 1.0;
	if (config.scale !== undefined || config.scaleX !== undefined || config.scaleY !== undefined) {
		var scaleX = config.scaleX !== undefined ? config.scaleX : config.scale !== undefined ? config.scale : 1;
		var scaleY = config.scaleY !== undefined ? config.scaleY : config.scale !== undefined ? config.scale : 1;
		self.scale.set(scaleX, scaleY);
	}
	self.callDestroy = function () {
		if (!self.destroyed) {
			self.destroyed = true;
			self.onDestroy();
			self.destroy();
		}
	};
	self.onDestroy = function () {};
	return self;
});
var TowerBlueprint = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	self.id = config.id || 'default';
	self.level = 1;
	self.maxLevel = 3;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 0;
	self.cellsInRange = [];
	// Common method to get the current range of the tower
	self.getRange = function () {
		return self.range;
	};
	// Common method to refresh cells in range
	self.refreshCellsInRange = function () {
		// Base implementation - can be overridden by subclasses
	};
	// Common method to get total value
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var baseUpgradeCost = baseTowerCost;
		var value = baseTowerCost;
		for (var i = 1; i < self.level; i++) {
			value += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return value;
	};
	// Common method to upgrade
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost = 0; // Make all upgrades free
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	// Common method to place on grid
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + gridY * CELL_SIZE + CELL_SIZE / 2;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 1;
				}
			}
		}
	};
	self.placeOnGrid(config.gridX, config.gridY);
	return self;
});
var TowerRuin = TowerBlueprint.expand(function (config) {
	var self = TowerBlueprint.call(this, config);
	self.id = 'ruin';
	self.level = 1;
	self.maxLevel = 1;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 0; // No attack range
	// No attack functionality - ruin doesn't attack
	self.getRange = function () {
		return 0;
	};
	self.cellsInRange = [];
	var baseGraphics = self.attachAsset('tower_baseRuin', {
		anchorX: 0.5,
		anchorY: 0.3,
		tint: 0xAAAAAA
	});
	// Randomly mirror the ruin horizontally
	if (Math.random() < 0.5) {
		baseGraphics.scaleX = -Math.abs(baseGraphics.scaleX);
	}
	// No orb for ruins
	self.refreshCellsInRange = function () {
		// Ruin tower doesn't have range, so nothing to refresh
	};
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var baseUpgradeCost = baseTowerCost;
		var value = baseTowerCost;
		for (var i = 1; i < self.level; i++) {
			value += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return value;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost = 0; // Make all upgrades free
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	// Ruin tower has no attack functionality
	self.update = function () {
		// No targeting or firing logic
	};
	self.down = function (x, y, obj) {
		var existingMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu;
		});
		var hasOwnMenu = false;
		var rangeCircle = null;
		for (var i = 0; i < existingMenus.length; i++) {
			if (existingMenus[i].tower === self) {
				hasOwnMenu = true;
				break;
			}
		}
		if (hasOwnMenu) {
			for (var i = 0; i < existingMenus.length; i++) {
				if (existingMenus[i].tower === self) {
					hideUpgradeMenu(existingMenus[i]);
				}
			}
			selectedTower = null;
			grid.renderDebug();
			return;
		}
		for (var i = 0; i < existingMenus.length; i++) {
			existingMenus[i].destroy();
		}
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange) {
				game.removeChild(game.children[i]);
			}
		}
		selectedTower = self;
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
		grid.renderDebug();
	};
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + gridY * CELL_SIZE + CELL_SIZE / 2;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 1;
				}
			}
		}
	};
	return self;
});
var TowerBase = TowerBlueprint.expand(function (config) {
	var self = TowerBlueprint.call(this, config);
	self.id = 'base';
	self.level = 1;
	self.maxLevel = 3;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 0; // No attack range
	// No attack functionality - base doesn't attack
	self.getRange = function () {
		return 0;
	};
	self.cellsInRange = [];
	// Assign random type between 'red', 'yellow', and 'blue'
	var towerTypes = ['red', 'yellow', 'blue'];
	self.towerType = towerTypes[Math.floor(Math.random() * towerTypes.length)];
	var baseGraphics = self.attachAsset('tower_baseBot', {
		anchorX: 0.5,
		anchorY: 0.35
	});
	// No tinting for tower base
	// Create orb with tint based on tower type
	var orbTint = 0xFFFFFF; // Default white
	switch (self.towerType) {
		case 'red':
			orbTint = 0xFFAAAA; // Medium red tint
			break;
		case 'yellow':
			orbTint = 0xFFFFAA; // Medium yellow tint
			break;
		case 'blue':
			orbTint = 0xAAAAFF; // Medium blue tint
			break;
	}
	// Create orb with no icon but tinted color
	var orb = new Orb({
		tint: orbTint
	}, self);
	orb.y = -20; // Position orb above the base
	self.addChild(orb);
	self.refreshCellsInRange = function () {
		// Base tower doesn't have range, so nothing to refresh
	};
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var baseUpgradeCost = baseTowerCost;
		var value = baseTowerCost;
		for (var i = 1; i < self.level; i++) {
			value += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return value;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost = 0; // Make all upgrades free
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	// Base tower has no attack functionality
	self.update = function () {
		// No targeting or firing logic
	};
	self.down = function (x, y, obj) {
		var existingMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu;
		});
		var hasOwnMenu = false;
		var rangeCircle = null;
		for (var i = 0; i < existingMenus.length; i++) {
			if (existingMenus[i].tower === self) {
				hasOwnMenu = true;
				break;
			}
		}
		if (hasOwnMenu) {
			for (var i = 0; i < existingMenus.length; i++) {
				if (existingMenus[i].tower === self) {
					hideUpgradeMenu(existingMenus[i]);
				}
			}
			selectedTower = null;
			grid.renderDebug();
			return;
		}
		for (var i = 0; i < existingMenus.length; i++) {
			existingMenus[i].destroy();
		}
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange) {
				game.removeChild(game.children[i]);
			}
		}
		selectedTower = self;
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
		grid.renderDebug();
	};
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + gridY * CELL_SIZE + CELL_SIZE / 2;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 1;
				}
			}
		}
	};
	return self;
});
var Tower = TowerBlueprint.expand(function (config) {
	var self = TowerBlueprint.call(this, config);
	config = config || {};
	self.id = config.id || 'default';
	self.level = 1;
	self.maxLevel = 3;
	self.range = 3 * CELL_SIZE;
	// Standardized method to get the current range of the tower
	self.getRange = function () {
		// Always calculate range based on tower type and level
		switch (self.id) {
			case 'sniper':
				// Sniper: base 5, +0.8 per level, but final upgrade gets a huge boost
				if (self.level === self.maxLevel) {
					return 12 * CELL_SIZE; // Significantly increased range for max level
				}
				return (5 + (self.level - 1) * 0.8) * CELL_SIZE;
			case 'splash':
				// Splash: base 2, +0.2 per level (max ~4 blocks at max level)
				return (2 + (self.level - 1) * 0.2) * CELL_SIZE;
			case 'rapid':
				// Rapid: base 2.5, +0.5 per level
				return (2.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'slow':
				// Slow: base 3.5, +0.5 per level
				return (3.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'poison':
				// Poison: base 3.2, +0.5 per level
				return (3.2 + (self.level - 1) * 0.5) * CELL_SIZE;
			default:
				// Default: base 3, +0.5 per level
				return (3 + (self.level - 1) * 0.5) * CELL_SIZE;
		}
	};
	self.cellsInRange = [];
	self.fireRate = 60;
	self.bulletSpeed = 5;
	self.damage = 10;
	self.lastFired = 0;
	self.targetEnemy = null;
	switch (self.id) {
		case 'rapid':
			self.fireRate = 30;
			self.damage = 5;
			self.range = 2.5 * CELL_SIZE;
			self.bulletSpeed = 7;
			break;
		case 'sniper':
			self.fireRate = 90;
			self.damage = 25;
			self.range = 5 * CELL_SIZE;
			self.bulletSpeed = 25;
			break;
		case 'splash':
			self.fireRate = 75;
			self.damage = 15;
			self.range = 2 * CELL_SIZE;
			self.bulletSpeed = 4;
			break;
		case 'slow':
			self.fireRate = 50;
			self.damage = 8;
			self.range = 3.5 * CELL_SIZE;
			self.bulletSpeed = 5;
			break;
		case 'poison':
			self.fireRate = 70;
			self.damage = 12;
			self.range = 3.2 * CELL_SIZE;
			self.bulletSpeed = 5;
			break;
	}
	var baseBot = self.attachAsset('tower_baseBot', {
		anchorX: 0.5,
		anchorY: 0.35
	});
	var baseTop = self.attachAsset('tower_baseTop', {
		anchorX: 0.5,
		anchorY: 0.65
	});
	var levelIndicators = [];
	var tierImageSize = CELL_SIZE * 2 / 3;
	// Create single tier indicator positioned at bottom center
	var tierIndicator = new Container();
	var tierImage = tierIndicator.attachAsset('tower_tier1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	tierImage.width = tierImageSize;
	tierImage.height = tierImageSize;
	tierIndicator.x = 0;
	tierIndicator.y = CELL_SIZE * 0.7;
	self.addChild(tierIndicator);
	levelIndicators.push(tierIndicator);
	var gunContainer = self.addChild(new ConfigContainer({
		y: -50
	}));
	// Initialize orb configuration object
	var orbConfig = {};
	// Set icon and tint color for the orb based on tower type
	switch (self.id) {
		case 'rapid':
			orbConfig.tint = 0xFFAAAA; // Red tint (red + red combination)
			orbConfig.icon = 'tower_iconFlame';
			break;
		case 'poison':
			orbConfig.tint = 0xCCAAFF; // Purple tint (red + blue combination)
			orbConfig.icon = 'tower_iconPoison';
			break;
		case 'sniper':
			orbConfig.tint = 0xFFCC88; // Orange tint (red + yellow combination)
			orbConfig.icon = 'tower_iconSun';
			break;
		case 'splash':
			orbConfig.tint = 0xCCFFAA; // Yellow-blue tint (blue + yellow combination)
			orbConfig.icon = 'tower_iconNature';
			break;
		case 'slow':
			orbConfig.tint = 0xAAAAFF; // Blue tint (blue + blue combination)
			orbConfig.icon = 'tower_iconFrost';
			break;
		default:
			// normal/default
			orbConfig.tint = 0xFFFFAA; // Yellow tint (yellow + yellow combination)
			orbConfig.icon = 'tower_iconLightning';
	}
	var gunGraphics = new Orb(orbConfig, self);
	gunContainer.addChild(gunGraphics);
	self.updateLevelIndicators = function () {
		if (levelIndicators.length > 0) {
			var tierIndicator = levelIndicators[0];
			var tierImage = tierIndicator.children[0];
			// Update the asset based on current level
			var tierAssetId = 'tower_tier' + self.level;
			// Remove old tier image
			tierIndicator.removeChild(tierImage);
			// Add new tier image
			tierImage = tierIndicator.attachAsset(tierAssetId, {
				anchorX: 0.5,
				anchorY: 0.5
			});
			var tierImageSize = CELL_SIZE * 2 / 3;
			tierImage.width = tierImageSize;
			tierImage.height = tierImageSize;
		}
	};
	self.updateLevelIndicators();
	self.refreshCellsInRange = function () {
		for (var i = 0; i < self.cellsInRange.length; i++) {
			var cell = self.cellsInRange[i];
			var towerIndex = cell.towersInRange.indexOf(self);
			if (towerIndex !== -1) {
				cell.towersInRange.splice(towerIndex, 1);
			}
		}
		self.cellsInRange = [];
		var rangeRadius = self.getRange() / CELL_SIZE;
		var centerX = self.gridX + 1;
		var centerY = self.gridY + 1;
		var minI = Math.floor(centerX - rangeRadius - 0.5);
		var maxI = Math.ceil(centerX + rangeRadius + 0.5);
		var minJ = Math.floor(centerY - rangeRadius - 0.5);
		var maxJ = Math.ceil(centerY + rangeRadius + 0.5);
		for (var i = minI; i <= maxI; i++) {
			for (var j = minJ; j <= maxJ; j++) {
				var closestX = Math.max(i, Math.min(centerX, i + 1));
				var closestY = Math.max(j, Math.min(centerY, j + 1));
				var deltaX = closestX - centerX;
				var deltaY = closestY - centerY;
				var distanceSquared = deltaX * deltaX + deltaY * deltaY;
				if (distanceSquared <= rangeRadius * rangeRadius) {
					var cell = grid.getCell(i, j);
					if (cell) {
						self.cellsInRange.push(cell);
						cell.towersInRange.push(self);
					}
				}
			}
		}
		grid.renderDebug();
	};
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var baseUpgradeCost = baseTowerCost; // Upgrade cost now scales with base tower cost
		var value = baseTowerCost;
		for (var i = 1; i < self.level; i++) {
			value += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return value;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			self.level++;
			// No need to update self.range here; getRange() is now the source of truth
			// Apply tower-specific upgrades based on type
			if (self.id === 'rapid') {
				if (self.level === self.maxLevel) {
					// Extra powerful last upgrade (double the effect)
					self.fireRate = Math.max(4, 30 - self.level * 9); // double the effect
					self.damage = 5 + self.level * 10; // double the effect
					self.bulletSpeed = 7 + self.level * 2.4; // double the effect
				} else {
					self.fireRate = Math.max(15, 30 - self.level * 3); // Fast tower gets faster with upgrades
					self.damage = 5 + self.level * 3;
					self.bulletSpeed = 7 + self.level * 0.7;
				}
			} else {
				if (self.level === self.maxLevel) {
					// Extra powerful last upgrade for all other towers (double the effect)
					self.fireRate = Math.max(5, 60 - self.level * 24); // double the effect
					self.damage = 10 + self.level * 20; // double the effect
					self.bulletSpeed = 5 + self.level * 2.4; // double the effect
				} else {
					self.fireRate = Math.max(20, 60 - self.level * 8);
					self.damage = 10 + self.level * 5;
					self.bulletSpeed = 5 + self.level * 0.5;
				}
			}
			self.refreshCellsInRange();
			self.updateLevelIndicators();
			if (self.level > 1 && levelIndicators.length > 0) {
				var tierIndicator = levelIndicators[0];
				tween(tierIndicator, {
					scaleX: 1.5,
					scaleY: 1.5
				}, {
					duration: 300,
					easing: tween.elasticOut,
					onFinish: function onFinish() {
						tween(tierIndicator, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 200,
							easing: tween.easeOut
						});
					}
				});
			}
			return true;
		}
		return false;
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestScore = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Check if enemy is in range
			if (distance <= self.getRange()) {
				// Handle flying enemies differently - they can be targeted regardless of path
				if (enemy.isFlying) {
					// For flying enemies, prioritize by distance to the goal
					if (enemy.flyingTarget) {
						var goalX = enemy.flyingTarget.x;
						var goalY = enemy.flyingTarget.y;
						var distToGoal = Math.sqrt((goalX - enemy.cellX) * (goalX - enemy.cellX) + (goalY - enemy.cellY) * (goalY - enemy.cellY));
						// Use distance to goal as score
						if (distToGoal < closestScore) {
							closestScore = distToGoal;
							closestEnemy = enemy;
						}
					} else {
						// If no flying target yet (shouldn't happen), prioritize by distance to tower
						if (distance < closestScore) {
							closestScore = distance;
							closestEnemy = enemy;
						}
					}
				} else {
					// For ground enemies, use the original path-based targeting
					// Get the cell for this enemy
					var cell = grid.getCell(enemy.cellX, enemy.cellY);
					if (cell && cell.pathId === pathId) {
						// Use the cell's score (distance to exit) for prioritization
						// Lower score means closer to exit
						if (cell.score < closestScore) {
							closestScore = cell.score;
							closestEnemy = enemy;
						}
					}
				}
			}
		}
		if (!closestEnemy) {
			self.targetEnemy = null;
		}
		return closestEnemy;
	};
	self.update = function () {
		self.targetEnemy = self.findTarget();
		if (self.targetEnemy) {
			if (LK.ticks - self.lastFired >= self.fireRate) {
				self.fire();
				self.lastFired = LK.ticks;
			}
		}
	};
	self.down = function (x, y, obj) {
		var existingMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu;
		});
		var hasOwnMenu = false;
		var rangeCircle = null;
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i].isTowerRange && game.children[i].tower === self) {
				rangeCircle = game.children[i];
				break;
			}
		}
		for (var i = 0; i < existingMenus.length; i++) {
			if (existingMenus[i].tower === self) {
				hasOwnMenu = true;
				break;
			}
		}
		if (hasOwnMenu) {
			for (var i = 0; i < existingMenus.length; i++) {
				if (existingMenus[i].tower === self) {
					hideUpgradeMenu(existingMenus[i]);
				}
			}
			if (rangeCircle) {
				game.removeChild(rangeCircle);
			}
			selectedTower = null;
			grid.renderDebug();
			return;
		}
		for (var i = 0; i < existingMenus.length; i++) {
			existingMenus[i].destroy();
		}
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange) {
				game.removeChild(game.children[i]);
			}
		}
		selectedTower = self;
		var rangeIndicator = new Container();
		rangeIndicator.isTowerRange = true;
		rangeIndicator.tower = self;
		game.addChild(rangeIndicator);
		rangeIndicator.x = self.x;
		rangeIndicator.y = self.y;
		var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		rangeGraphics.width = rangeGraphics.height = self.getRange() * 2;
		rangeGraphics.alpha = 0.3;
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
		grid.renderDebug();
	};
	self.isInRange = function (enemy) {
		if (!enemy) {
			return false;
		}
		var dx = enemy.x - self.x;
		var dy = enemy.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		return distance <= self.getRange();
	};
	self.fire = function () {
		if (self.targetEnemy) {
			var potentialDamage = 0;
			for (var i = 0; i < self.targetEnemy.bulletsTargetingThis.length; i++) {
				potentialDamage += self.targetEnemy.bulletsTargetingThis[i].damage;
			}
			if (self.targetEnemy.health > potentialDamage) {
				// Calculate direction to enemy for orb recoil effect
				var dx = self.targetEnemy.x - self.x;
				var dy = self.targetEnemy.y - self.y;
				var angle = Math.atan2(dy, dx);
				// Spawn bullet from gun origin (no offset needed)
				var bulletX = self.x;
				var bulletY = self.y + gunContainer.y;
				var bullet = new Bullet(bulletX, bulletY, self.targetEnemy, self.damage, self.bulletSpeed);
				// Set bullet type based on tower type
				bullet.type = self.id;
				// For slow tower, pass level for scaling slow effect
				if (self.id === 'slow') {
					bullet.sourceTowerLevel = self.level;
				}
				// Customize bullet appearance based on tower type
				switch (self.id) {
					case 'rapid':
						bullet.children[0].tint = 0x00AAFF;
						bullet.children[0].width = 20;
						bullet.children[0].height = 20;
						break;
					case 'sniper':
						bullet.children[0].tint = 0xFF5500;
						bullet.children[0].width = 15;
						bullet.children[0].height = 15;
						break;
					case 'splash':
						bullet.children[0].tint = 0x33CC00;
						bullet.children[0].width = 40;
						bullet.children[0].height = 40;
						break;
					case 'slow':
						bullet.children[0].tint = 0x9900FF;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
					case 'poison':
						bullet.children[0].tint = 0x00FFAA;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
				}
				game.addChild(bullet);
				bullets.push(bullet);
				self.targetEnemy.bulletsTargetingThis.push(bullet);
				// --- Orb recoil effect ---
				// Get the orb (first child of gunContainer)
				var orb = gunContainer.children[0];
				if (orb) {
					// Stop any ongoing recoil tweens before starting a new one
					tween.stop(orb, {
						x: true,
						y: true
					});
					// Always use the original resting position for recoil, never accumulate offset
					if (orb._restX === undefined) {
						orb._restX = 0;
					}
					if (orb._restY === undefined) {
						orb._restY = 0;
					}
					// Reset to resting position before animating (in case of interrupted tweens)
					orb.x = orb._restX;
					orb.y = orb._restY;
					// Calculate recoil offset (recoil in opposite direction to enemy)
					var recoilDistance = 12;
					var recoilX = -Math.cos(angle) * recoilDistance;
					var recoilY = -Math.sin(angle) * recoilDistance;
					// Animate recoil back from the resting position
					tween(orb, {
						x: orb._restX + recoilX,
						y: orb._restY + recoilY
					}, {
						duration: 80,
						easing: tween.cubicOut,
						onFinish: function onFinish() {
							// Animate return to original position
							tween(orb, {
								x: orb._restX,
								y: orb._restY
							}, {
								duration: 120,
								easing: tween.elasticOut
							});
						}
					});
				}
			}
		}
	};
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + gridY * CELL_SIZE + CELL_SIZE / 2;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 1;
				}
			}
		}
		self.refreshCellsInRange();
	};
	return self;
});
var TowerSun = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	// Create a ProjectileSun at the tower's location
	self.projectileSun = new ProjectileSun({
		x: self.x,
		y: self.y,
		radius: 120,
		damage: 20
	});
	game.addChild(self.projectileSun);
	self.onDestroy = function () {
		if (self.projectileSun) {
			self.projectileSun.callDestroy();
		}
	};
	return self;
});
var TowerPoison = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	return self;
});
var TowerNature = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	return self;
});
var TowerLightning = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	return self;
});
var TowerFrost = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	return self;
});
var TowerFlame = Tower.expand(function (config) {
	var self = Tower.call(this, config);
	return self;
});
var ProjectileSun = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	self.radius = config.radius || 100;
	self.damage = config.damage || 10;
	self.lastDamageTime = 0;
	self.damageInterval = 30; // 0.5 seconds at 60 FPS
	// Create projectile sun asset with size based on radius
	var projectileGraphics = self.attachAsset('projectile_sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	projectileGraphics.width = self.radius * 2;
	projectileGraphics.height = self.radius * 2;
	self.update = function () {
		// Check for enemies every 0.5 seconds
		if (LK.ticks - self.lastDamageTime >= self.damageInterval) {
			self.lastDamageTime = LK.ticks;
			// Search for enemies within radius
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				var dx = enemy.x - self.x;
				var dy = enemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= self.radius) {
					// Deal 0.5 * damage
					enemy.takeDamage(self.damage * 0.5);
					// Create damage effect
					tween(enemy, {
						tint: 0xFFFF00
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(enemy, {
								tint: 0xFFFFFF
							}, {
								duration: 200,
								easing: tween.easeIn
							});
						}
					});
				}
			}
		}
	};
	return self;
});
var ProjectilePoisonPuddle = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var ProjectilePoison = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var ProjectileNature = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var ProjectileLightning = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var ProjectileFrost = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var ProjectileFlame = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	return self;
});
var Orb = ConfigContainer.expand(function (config, tower) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	self.tower = tower || null;
	self.orbTint = config.tint || 0xFFFFFF;
	self.iconAsset = config.icon || null;
	self.projectileClass = config.projectileClass || null;
	// Create parent container to hold all orb assets
	var orbContainer = new Container();
	self.addChild(orbContainer);
	// Create the main orb using tower_orb asset
	var orbGraphics = orbContainer.attachAsset('tower_orb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	orbGraphics.tint = self.orbTint;
	// Add optional icon overlay if provided
	if (self.iconAsset) {
		var iconOverlay = orbContainer.attachAsset(self.iconAsset, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Tint the icon black
		iconOverlay.tint = 0x000000;
	}
	// Start continuous up and down movement animation
	function startFloatingAnimation() {
		tween(orbContainer, {
			y: -5
		}, {
			duration: 2000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(orbContainer, {
					y: 5
				}, {
					duration: 2000,
					easing: tween.easeInOut,
					onFinish: startFloatingAnimation
				});
			}
		});
	}
	startFloatingAnimation();
	return self;
});
var LivesText = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	// Create lives icon
	var livesIcon = self.attachAsset('icon_lives', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create lives text
	var livesText = new Text2('× ' + lives, {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	livesText.anchor.set(0, 0.5);
	livesText.x = 50; // Position to the right of the icon
	self.addChild(livesText);
	// Method to update lives text
	self.updateLives = function (newLives) {
		livesText.setText('× ' + newLives);
	};
	return self;
});
var Grid = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	var gridWidth = config.gridWidth || 24;
	var gridHeight = config.gridHeight || 35;
	self.cells = [];
	self.spawns = [];
	self.goals = [];
	for (var i = 0; i < gridWidth; i++) {
		self.cells[i] = [];
		for (var j = 0; j < gridHeight; j++) {
			self.cells[i][j] = {
				score: 0,
				pathId: 0,
				towersInRange: []
			};
		}
	}
	/*
				Cell Types
				0: Transparent floor
				1: Wall
				2: Spawn
				3: Goal
	*/
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			var cell = self.cells[i][j];
			var cellType = i === 0 || i === gridWidth - 1 || j <= 4 || j >= gridHeight - 4 ? 1 : 0;
			if (i > 11 - 3 && i <= 11 + 3) {
				if (j === 0) {
					cellType = 2;
					self.spawns.push(cell);
				} else if (j <= 4) {
					cellType = 0;
				} else if (j === gridHeight - 1) {
					cellType = 3;
					self.goals.push(cell);
				} else if (j >= gridHeight - 4) {
					cellType = 0;
				}
			}
			cell.type = cellType;
			cell.x = i;
			cell.y = j;
			cell.upLeft = self.cells[i - 1] && self.cells[i - 1][j - 1];
			cell.up = self.cells[i - 1] && self.cells[i - 1][j];
			cell.upRight = self.cells[i - 1] && self.cells[i - 1][j + 1];
			cell.left = self.cells[i][j - 1];
			cell.right = self.cells[i][j + 1];
			cell.downLeft = self.cells[i + 1] && self.cells[i + 1][j - 1];
			cell.down = self.cells[i + 1] && self.cells[i + 1][j];
			cell.downRight = self.cells[i + 1] && self.cells[i + 1][j + 1];
			cell.neighbors = [cell.upLeft, cell.up, cell.upRight, cell.right, cell.downRight, cell.down, cell.downLeft, cell.left];
			cell.targets = [];
			if (j > 3 && j <= gridHeight - 4) {
				var debugCell = new DebugCell();
				self.addChild(debugCell);
				debugCell.cell = cell;
				debugCell.x = i * CELL_SIZE;
				debugCell.y = j * CELL_SIZE;
				cell.debugCell = debugCell;
			}
		}
	}
	self.getCell = function (x, y) {
		return self.cells[x] && self.cells[x][y];
	};
	self.pathFind = function () {
		var before = new Date().getTime();
		var toProcess = self.goals.concat([]);
		maxScore = 0;
		pathId += 1;
		for (var a = 0; a < toProcess.length; a++) {
			toProcess[a].pathId = pathId;
		}
		function processNode(node, targetValue, targetNode) {
			if (node && node.type != 1) {
				if (node.pathId < pathId || targetValue < node.score) {
					node.targets = [targetNode];
				} else if (node.pathId == pathId && targetValue == node.score) {
					node.targets.push(targetNode);
				}
				if (node.pathId < pathId || targetValue < node.score) {
					node.score = targetValue;
					if (node.pathId != pathId) {
						toProcess.push(node);
					}
					node.pathId = pathId;
					if (targetValue > maxScore) {
						maxScore = targetValue;
					}
				}
			}
		}
		while (toProcess.length) {
			var nodes = toProcess;
			toProcess = [];
			for (var a = 0; a < nodes.length; a++) {
				var node = nodes[a];
				var targetScore = node.score + 14142;
				if (node.up && node.left && node.up.type != 1 && node.left.type != 1) {
					processNode(node.upLeft, targetScore, node);
				}
				if (node.up && node.right && node.up.type != 1 && node.right.type != 1) {
					processNode(node.upRight, targetScore, node);
				}
				if (node.down && node.right && node.down.type != 1 && node.right.type != 1) {
					processNode(node.downRight, targetScore, node);
				}
				if (node.down && node.left && node.down.type != 1 && node.left.type != 1) {
					processNode(node.downLeft, targetScore, node);
				}
				targetScore = node.score + 10000;
				processNode(node.up, targetScore, node);
				processNode(node.right, targetScore, node);
				processNode(node.down, targetScore, node);
				processNode(node.left, targetScore, node);
			}
		}
		for (var a = 0; a < self.spawns.length; a++) {
			if (self.spawns[a].pathId != pathId) {
				console.warn("Spawn blocked");
				return true;
			}
		}
		for (var a = 0; a < enemies.length; a++) {
			var enemy = enemies[a];
			// Skip enemies that haven't entered the viewable area yet
			if (enemy.currentCellY < 4) {
				continue;
			}
			// Skip flying enemies from path check as they can fly over obstacles
			if (enemy.isFlying) {
				continue;
			}
			var target = self.getCell(enemy.cellX, enemy.cellY);
			if (enemy.currentTarget) {
				if (enemy.currentTarget.pathId != pathId) {
					if (!target || target.pathId != pathId) {
						console.warn("Enemy blocked 1 ");
						return true;
					}
				}
			} else if (!target || target.pathId != pathId) {
				console.warn("Enemy blocked 2");
				return true;
			}
		}
		console.log("Speed", new Date().getTime() - before);
	};
	self.renderDebug = function () {
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				var debugCell = self.cells[i][j].debugCell;
				if (debugCell) {
					debugCell.render(self.cells[i][j]);
				}
			}
		}
	};
	self.updateEnemy = function (enemy) {
		var cell = grid.getCell(enemy.cellX, enemy.cellY);
		if (cell.type == 3) {
			return true;
		}
		if (enemy.isFlying && enemy.shadow) {
			enemy.shadow.x = enemy.x + 20; // Match enemy x-position + offset
			enemy.shadow.y = enemy.y + 20; // Match enemy y-position + offset
			// Match shadow rotation with enemy rotation
			if (enemy.children[0] && enemy.shadow.children[0]) {
				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
			}
		}
		// Check if the enemy has reached the entry area (y position is at least 5)
		var hasReachedEntryArea = enemy.currentCellY >= 4;
		// If enemy hasn't reached the entry area yet, just move down vertically
		if (!hasReachedEntryArea) {
			// Move directly downward
			enemy.currentCellY += enemy.speed;
			// No rotation needed for pre-entry movement, enemies face downward by default
			// Update enemy's position
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// If enemy has now reached the entry area, update cell coordinates
			if (enemy.currentCellY >= 4) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
			}
			return false;
		}
		// After reaching entry area, handle flying enemies differently
		if (enemy.isFlying) {
			// Flying enemies head straight to the closest goal
			if (!enemy.flyingTarget) {
				// Set flying target to the closest goal
				enemy.flyingTarget = self.goals[0];
				// Find closest goal if there are multiple
				if (self.goals.length > 1) {
					var closestDist = Infinity;
					for (var i = 0; i < self.goals.length; i++) {
						var goal = self.goals[i];
						var dx = goal.x - enemy.cellX;
						var dy = goal.y - enemy.cellY;
						var dist = dx * dx + dy * dy;
						if (dist < closestDist) {
							closestDist = dist;
							enemy.flyingTarget = goal;
						}
					}
				}
			}
			// Move directly toward the goal
			var ox = enemy.flyingTarget.x - enemy.currentCellX;
			var oy = enemy.flyingTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				// Reached the goal
				return true;
			}
			// Flip based on horizontal movement direction for flying enemies
			if (enemy.children[0]) {
				if (ox > 0) {
					// Moving right - normal orientation
					enemy.children[0].scaleX = Math.abs(enemy.children[0].scaleX);
				} else if (ox < 0) {
					// Moving left - flip horizontally
					enemy.children[0].scaleX = -Math.abs(enemy.children[0].scaleX);
				}
			}
			// Update the cell position to track where the flying enemy is
			enemy.cellX = Math.round(enemy.currentCellX);
			enemy.cellY = Math.round(enemy.currentCellY);
			// Calculate angle to move toward the flying target
			var angle = Math.atan2(oy, ox);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// Update shadow position if this is a flying enemy
			return false;
		}
		// Handle normal pathfinding enemies
		if (!enemy.currentTarget) {
			enemy.currentTarget = cell.targets[0];
		}
		if (enemy.currentTarget) {
			if (cell.score < enemy.currentTarget.score) {
				enemy.currentTarget = cell;
			}
			var ox = enemy.currentTarget.x - enemy.currentCellX;
			var oy = enemy.currentTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
				enemy.currentTarget = undefined;
				return;
			}
			// Flip based on horizontal movement direction for ground enemies
			if (enemy.children[0]) {
				if (ox > 0) {
					// Moving right - normal orientation
					enemy.children[0].scaleX = Math.abs(enemy.children[0].scaleX);
				} else if (ox < 0) {
					// Moving left - flip horizontally
					enemy.children[0].scaleX = -Math.abs(enemy.children[0].scaleX);
				}
			}
			// Calculate angle to move toward the current target
			var angle = Math.atan2(oy, ox);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
		}
		enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
		enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
	};
});
var Background = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	config = config || {};
	self.width = config.width || 500;
	self.height = config.height || 500;
	self.tileX = config.tileX || 1;
	self.tileY = config.tileY || 1;
	// Calculate tile dimensions
	var tileWidth = self.width / self.tileX;
	var tileHeight = self.height / self.tileY;
	// Create tiled background images
	for (var i = 0; i < self.tileX; i++) {
		for (var j = 0; j < self.tileY; j++) {
			var backgroundTile = self.attachAsset('background', {
				x: (i - (self.tileX - 1) / 2) * tileWidth,
				y: (j - (self.tileY - 1) / 2) * tileHeight,
				width: tileWidth,
				height: tileHeight,
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
	}
	return self;
});
var DebugCell = Container.expand(function () {
	var self = Container.call(this);
	var cellGraphics = self.attachAsset('cell', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cellGraphics.tint = Math.random() * 0xffffff;
	var debugArrows = [];
	var numberLabel = new Text2('0', {
		size: 30,
		fill: 0xFFFFFF,
		weight: 800
	});
	numberLabel.anchor.set(.5, .5);
	self.addChild(numberLabel);
	self.update = function () {};
	self.down = function () {
		return;
		if (self.cell.type == 0 || self.cell.type == 1) {
			self.cell.type = self.cell.type == 1 ? 0 : 1;
			if (grid.pathFind()) {
				self.cell.type = self.cell.type == 1 ? 0 : 1;
				grid.pathFind();
				var notification = game.addChild(new Notification("Path is blocked!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
			grid.renderDebug();
		}
	};
	self.removeArrows = function () {
		while (debugArrows.length) {
			self.removeChild(debugArrows.pop());
		}
	};
	self.render = function (data) {
		switch (data.type) {
			case 0:
			case 2:
				{
					if (data.pathId != pathId) {
						self.removeArrows();
						numberLabel.setText("-");
						cellGraphics.tint = 0x880000;
						return;
					}
					numberLabel.visible = true;
					var tint = Math.floor(data.score / maxScore * 0x88);
					var towerInRangeHighlight = false;
					if (selectedTower && data.towersInRange && data.towersInRange.indexOf(selectedTower) !== -1) {
						towerInRangeHighlight = true;
						cellGraphics.tint = 0x0088ff;
					} else {
						cellGraphics.tint = 0x88 - tint << 8 | tint;
					}
					while (debugArrows.length > data.targets.length) {
						self.removeChild(debugArrows.pop());
					}
					for (var a = 0; a < data.targets.length; a++) {
						var destination = data.targets[a];
						var ox = destination.x - data.x;
						var oy = destination.y - data.y;
						var angle = Math.atan2(oy, ox);
						if (!debugArrows[a]) {
							debugArrows[a] = LK.getAsset('arrow', {
								anchorX: -.5,
								anchorY: 0.5
							});
							debugArrows[a].alpha = .5;
							self.addChildAt(debugArrows[a], 1);
						}
						debugArrows[a].rotation = angle;
					}
					break;
				}
			case 1:
				{
					self.removeArrows();
					cellGraphics.tint = 0xaaaaaa;
					numberLabel.visible = false;
					break;
				}
			case 3:
				{
					self.removeArrows();
					cellGraphics.tint = 0x008800;
					numberLabel.visible = false;
					break;
				}
		}
		numberLabel.setText(Math.floor(data.score / 1000) / 10);
	};
});
// This update method was incorrectly placed here and should be removed
var EffectIndicator = Container.expand(function (x, y, type) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var effectGraphics = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	effectGraphics.blendMode = 1;
	switch (type) {
		case 'splash':
			effectGraphics.tint = 0x33CC00;
			effectGraphics.width = effectGraphics.height = CELL_SIZE * 1.5;
			break;
		case 'slow':
			effectGraphics.tint = 0x9900FF;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'poison':
			effectGraphics.tint = 0x00FFAA;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'sniper':
			effectGraphics.tint = 0xFF5500;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
	}
	effectGraphics.alpha = 0.7;
	self.alpha = 0;
	// Animate the effect
	tween(self, {
		alpha: 0.8,
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 200,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(self, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 300,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	});
	return self;
});
// Base enemy class for common functionality
var Enemy = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.speed = .01;
	self.cellX = 0;
	self.cellY = 0;
	self.currentCellX = 0;
	self.currentCellY = 0;
	self.currentTarget = undefined;
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.bulletsTargetingThis = [];
	self.waveNumber = currentWave;
	self.isFlying = false;
	self.isImmune = false;
	self.isBoss = false;
	// Method to handle taking damage
	self.takeDamage = function (damageAmount) {
		self.health -= damageAmount;
		if (self.health <= 0) {
			self.health = 0;
		} else {
			self.healthBar.width = self.health / self.maxHealth * 70;
		}
	};
	// Check if this is a boss wave
	// Check if this is a boss wave
	// Apply different stats based on enemy type
	switch (self.type) {
		case 'fast':
			self.speed *= 2; // Twice as fast
			self.maxHealth = 100;
			break;
		case 'immune':
			self.isImmune = true;
			self.maxHealth = 80;
			break;
		case 'flying':
			self.isFlying = true;
			self.maxHealth = 80;
			break;
		case 'swarm':
			self.maxHealth = 50; // Weaker enemies
			break;
		case 'normal':
		default:
			// Normal enemy uses default values
			break;
	}
	if (currentWave % 10 === 0 && currentWave > 0 && type !== 'swarm') {
		self.isBoss = true;
		// Boss enemies have 20x health and are larger
		self.maxHealth *= 20;
		// Slower speed for bosses
		self.speed = self.speed * 0.7;
	}
	self.health = self.maxHealth;
	// Get appropriate asset for this enemy type with randomization
	var assetId = 'enemy';
	// Randomize between 2 different images for all enemy types
	var randomVariant = Math.random() < 0.5 ? '1' : '2';
	assetId = 'enemy_' + self.type + randomVariant;
	var enemyGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomly flip the enemy image horizontally
	if (Math.random() < 0.5) {
		enemyGraphics.scaleX = -Math.abs(enemyGraphics.scaleX);
	}
	// Scale up boss enemies
	if (self.isBoss) {
		enemyGraphics.scaleX = 1.8;
		enemyGraphics.scaleY = 1.8;
	}
	// Fall back to regular enemy asset if specific type asset not found
	// Apply tint to differentiate enemy types
	/*switch (self.type) {
		case 'fast':
			enemyGraphics.tint = 0x00AAFF; // Blue for fast enemies
			break;
		case 'immune':
			enemyGraphics.tint = 0xAA0000; // Red for immune enemies
			break;
		case 'flying':
			enemyGraphics.tint = 0xFFFF00; // Yellow for flying enemies
			break;
		case 'swarm':
			enemyGraphics.tint = 0xFF00FF; // Pink for swarm enemies
			break;
	}*/
	// Create shadow for flying enemies
	if (self.isFlying) {
		// Create a shadow container that will be added to the shadow layer
		self.shadow = new Container();
		// Clone the enemy graphics for the shadow using the same randomized asset
		var shadowGraphics = self.shadow.attachAsset(assetId || 'enemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Apply shadow effect
		shadowGraphics.tint = 0x000000; // Black shadow
		shadowGraphics.alpha = 0.4; // Semi-transparent
		// Match the horizontal flip of the main enemy graphics
		shadowGraphics.scaleX = enemyGraphics.scaleX;
		// If this is a boss, scale up the shadow to match
		if (self.isBoss) {
			shadowGraphics.scaleX = enemyGraphics.scaleX * 1.8;
			shadowGraphics.scaleY = 1.8;
		}
		// Position shadow slightly offset
		self.shadow.x = 20; // Offset right
		self.shadow.y = 20; // Offset down
		// Ensure shadow has the same rotation as the enemy
		shadowGraphics.rotation = enemyGraphics.rotation;
	}
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBarBG = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarBG.y = healthBarOutline.y = healthBar.y = -enemyGraphics.height / 2 - 10;
	healthBarOutline.x = -healthBarOutline.width / 2;
	healthBarBG.x = healthBar.x = -healthBar.width / 2 - .5;
	healthBar.tint = 0x00ff00;
	healthBarBG.tint = 0xff0000;
	self.healthBar = healthBar;
	self.update = function () {
		if (self.health <= 0) {
			self.health = 0;
			self.healthBar.width = 0;
		}
		// Handle slow effect
		if (self.isImmune) {
			// Immune enemies cannot be slowed or poisoned, clear any such effects
			self.slowed = false;
			self.slowEffect = false;
			self.poisoned = false;
			self.poisonEffect = false;
			// Reset speed to original if needed
			if (self.originalSpeed !== undefined) {
				self.speed = self.originalSpeed;
			}
		} else {
			// Handle slow effect
			if (self.slowed) {
				// Visual indication of slowed status
				if (!self.slowEffect) {
					self.slowEffect = true;
				}
				self.slowDuration--;
				if (self.slowDuration <= 0) {
					self.speed = self.originalSpeed;
					self.slowed = false;
					self.slowEffect = false;
					// Only reset tint if not poisoned
					if (!self.poisoned) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
			// Handle poison effect
			if (self.poisoned) {
				// Visual indication of poisoned status
				if (!self.poisonEffect) {
					self.poisonEffect = true;
				}
				// Apply poison damage every 30 frames (twice per second)
				if (LK.ticks % 30 === 0) {
					self.takeDamage(self.poisonDamage);
				}
				self.poisonDuration--;
				if (self.poisonDuration <= 0) {
					self.poisoned = false;
					self.poisonEffect = false;
					// Only reset tint if not slowed
					if (!self.slowed) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
		}
		// Set tint based on effect status
		if (self.isImmune) {
			enemyGraphics.tint = 0xFFFFFF;
		} else if (self.poisoned && self.slowed) {
			// Combine poison (0x00FFAA) and slow (0x9900FF) colors
			// Simple average: R: (0+153)/2=76, G: (255+0)/2=127, B: (170+255)/2=212
			enemyGraphics.tint = 0x4C7FD4;
		} else if (self.poisoned) {
			enemyGraphics.tint = 0x00FFAA;
		} else if (self.slowed) {
			enemyGraphics.tint = 0x9900FF;
		} else {
			enemyGraphics.tint = 0xFFFFFF;
		}
		if (self.currentTarget) {
			var ox = self.currentTarget.x - self.currentCellX;
			var oy = self.currentTarget.y - self.currentCellY;
			if (ox !== 0 || oy !== 0) {
				// Flip based on horizontal movement direction
				if (ox > 0) {
					// Moving right - normal orientation
					enemyGraphics.scaleX = Math.abs(enemyGraphics.scaleX);
				} else if (ox < 0) {
					// Moving left - flip horizontally
					enemyGraphics.scaleX = -Math.abs(enemyGraphics.scaleX);
				}
				// Keep existing vertical movement without flipping
			}
		}
		healthBarOutline.y = healthBarBG.y = healthBar.y = -enemyGraphics.height / 2 - 10;
	};
	return self;
});
var GoldIndicator = Container.expand(function (value, x, y) {
	var self = Container.call(this);
	var shadowText = new Text2("+" + value, {
		size: 45,
		fill: 0x000000,
		weight: 800
	});
	shadowText.anchor.set(0.5, 0.5);
	shadowText.x = 2;
	shadowText.y = 2;
	self.addChild(shadowText);
	var goldText = new Text2("+" + value, {
		size: 45,
		fill: 0xFFD700,
		weight: 800
	});
	goldText.anchor.set(0.5, 0.5);
	self.addChild(goldText);
	self.x = x;
	self.y = y;
	self.alpha = 0;
	self.scaleX = 0.5;
	self.scaleY = 0.5;
	tween(self, {
		alpha: 1,
		scaleX: 1.2,
		scaleY: 1.2,
		y: y - 40
	}, {
		duration: 50,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(self, {
				alpha: 0,
				scaleX: 1.5,
				scaleY: 1.5,
				y: y - 80
			}, {
				duration: 600,
				easing: tween.easeIn,
				delay: 800,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	});
	return self;
});
var NextWaveButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	buttonBackground.width = 300;
	buttonBackground.height = 100;
	buttonBackground.tint = 0x0088FF;
	var buttonText = new Text2("Next Wave", {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	buttonText.anchor.set(0.5, 0.5);
	self.addChild(buttonText);
	self.enabled = false;
	self.visible = false;
	self.update = function () {
		if (waveIndicator && waveIndicator.gameStarted && currentWave < totalWaves) {
			self.enabled = true;
			self.visible = true;
			buttonBackground.tint = 0x0088FF;
			self.alpha = 1;
		} else {
			self.enabled = false;
			self.visible = false;
			buttonBackground.tint = 0x888888;
			self.alpha = 0.7;
		}
	};
	self.down = function () {
		if (!self.enabled) {
			return;
		}
		if (waveIndicator.gameStarted && currentWave < totalWaves) {
			currentWave++; // Increment to the next wave directly
			waveTimer = 0; // Reset wave timer
			waveInProgress = true;
			waveSpawned = false;
			// Get the type of the current wave (which is now the next wave)
			var waveType = waveIndicator.getWaveTypeName(currentWave);
			var enemyCount = waveIndicator.getEnemyCount(currentWave);
			var notification = game.addChild(new Notification("Wave " + currentWave + " (" + waveType + " - " + enemyCount + " enemies) activated!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
		}
	};
	return self;
});
var Notification = Container.expand(function (message) {
	var self = Container.call(this);
	var notificationGraphics = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var notificationText = new Text2(message, {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	notificationText.anchor.set(0.5, 0.5);
	notificationGraphics.width = notificationText.width + 30;
	self.addChild(notificationText);
	self.alpha = 1;
	var fadeOutTime = 120;
	self.update = function () {
		if (fadeOutTime > 0) {
			fadeOutTime--;
			self.alpha = Math.min(fadeOutTime / 120 * 2, 1);
		} else {
			self.destroy();
		}
	};
	return self;
});
var SourceTower = Container.expand(function (towerType) {
	var self = Container.call(this);
	self.towerType = towerType || 'default';
	self.attachAsset('button_border', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.attachAsset('icon_orb', {
		anchorX: 0.48,
		anchorY: 0.45
	});
	var typeLabel = self.addChild(new Text2("?", {
		size: 60,
		fill: 0x00000,
		weight: 800
	}));
	typeLabel.anchor.set(0.5, 0.5);
	self.update = function () {
		// Check if player can afford this tower
		var canAfford = gold >= 1;
		// Set opacity based on affordability
		self.alpha = canAfford ? 1 : 0.5;
	};
	return self;
});
var TowerPreview = Container.expand(function () {
	var self = Container.call(this);
	var towerRange = 3;
	var rangeInPixels = towerRange * CELL_SIZE;
	self.towerType = 'default';
	self.hasEnoughGold = true;
	// Range indicator removed
	// Create 4 quadrant preview graphics
	self.quadrantGraphics = [];
	for (var i = 0; i < 2; i++) {
		for (var j = 0; j < 2; j++) {
			var quadrantGraphic = self.attachAsset('tower_preview', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			quadrantGraphic.width = CELL_SIZE;
			quadrantGraphic.height = CELL_SIZE;
			// Position each quadrant relative to center
			quadrantGraphic.x = (i - 0.5) * CELL_SIZE;
			quadrantGraphic.y = (j - 0.5) * CELL_SIZE;
			self.quadrantGraphics.push(quadrantGraphic);
		}
	}
	self.canPlace = false;
	self.gridX = 0;
	self.gridY = 0;
	self.blockedByEnemy = false;
	self.update = function () {
		var previousHasEnoughGold = self.hasEnoughGold;
		self.hasEnoughGold = gold >= getTowerCost(self.towerType);
		// Only update appearance if the affordability status has changed
		if (previousHasEnoughGold !== self.hasEnoughGold) {
			self.updateAppearance();
		}
	};
	self.updateAppearance = function () {
		// Use Tower class to get the source of truth for range
		var tempTower = new Tower(self.towerType);
		var previewRange = tempTower.getRange();
		// Clean up tempTower to avoid memory leaks
		if (tempTower && tempTower.destroy) {
			tempTower.destroy();
		}
		// Update each quadrant individually
		for (var i = 0; i < self.quadrantGraphics.length; i++) {
			var quadrantGraphic = self.quadrantGraphics[i];
			var quadrantStatus = self.quadrantStatus && self.quadrantStatus[i];
			if (quadrantStatus && !quadrantStatus.valid) {
				// Red tint for invalid quadrants
				quadrantGraphic.tint = 0xFF0000;
			} else if (!self.hasEnoughGold) {
				// Red tint if can't afford
				quadrantGraphic.tint = 0xFF0000;
			} else {
				// Use base tint for valid quadrants
				quadrantGraphic.tint = 0xAAAAAA;
			}
		}
	};
	self.updatePlacementStatus = function () {
		// Check each quadrant individually
		var quadrantStatus = [];
		var overallValid = true;
		// Check boundary conditions first
		var inValidArea = self.gridY > 4 && self.gridY + 1 < grid.cells[0].length - 4;
		// Check each of the 4 quadrants (2x2 grid)
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var quadrantValid = true;
				var quadrantInfo = {
					x: i,
					y: j,
					valid: true,
					reason: ''
				};
				// Check if quadrant is in valid boundary area
				if (!inValidArea) {
					quadrantValid = false;
					quadrantInfo.valid = false;
					quadrantInfo.reason = 'boundary';
				} else {
					var cell = grid.getCell(self.gridX + i, self.gridY + j);
					if (!cell || cell.type !== 0) {
						quadrantValid = false;
						quadrantInfo.valid = false;
						quadrantInfo.reason = cell ? 'occupied' : 'invalid';
					}
				}
				quadrantStatus.push(quadrantInfo);
				if (!quadrantValid) {
					overallValid = false;
				}
			}
		}
		self.blockedByEnemy = false;
		if (overallValid) {
			// Check each quadrant for enemy blocking
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				if (enemy.currentCellY < 4) {
					continue;
				}
				// Only check non-flying enemies, flying enemies can pass over towers
				if (!enemy.isFlying) {
					// Check which specific quadrant is blocked by enemy
					for (var q = 0; q < quadrantStatus.length; q++) {
						var quadrant = quadrantStatus[q];
						var quadrantX = self.gridX + quadrant.x;
						var quadrantY = self.gridY + quadrant.y;
						if (enemy.cellX === quadrantX && enemy.cellY === quadrantY) {
							self.blockedByEnemy = true;
							quadrant.valid = false;
							quadrant.reason = 'enemy';
							overallValid = false;
						}
						if (enemy.currentTarget) {
							var targetX = enemy.currentTarget.x;
							var targetY = enemy.currentTarget.y;
							if (targetX === quadrantX && targetY === quadrantY) {
								self.blockedByEnemy = true;
								quadrant.valid = false;
								quadrant.reason = 'enemy_target';
								overallValid = false;
							}
						}
					}
				}
			}
		}
		// Store quadrant information for potential future use
		self.quadrantStatus = quadrantStatus;
		self.canPlace = overallValid && !self.blockedByEnemy;
		self.hasEnoughGold = gold >= getTowerCost(self.towerType);
		self.updateAppearance();
	};
	self.checkPlacement = function () {
		self.updatePlacementStatus();
	};
	self.snapToGrid = function (x, y) {
		var gridPosX = x - grid.x;
		var gridPosY = y - grid.y;
		self.gridX = Math.floor(gridPosX / CELL_SIZE);
		self.gridY = Math.floor(gridPosY / CELL_SIZE);
		self.x = grid.x + self.gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + self.gridY * CELL_SIZE + CELL_SIZE / 2;
		self.checkPlacement();
	};
	return self;
});
var UpgradeMenu = Container.expand(function (tower) {
	var self = Container.call(this);
	self.tower = tower;
	self.y = 2732 + 225;
	var menuBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBackground.width = 2048;
	menuBackground.height = 500;
	menuBackground.tint = 0x444444;
	menuBackground.alpha = 0.9;
	var towerTypeText = new Text2(self.tower.id.charAt(0).toUpperCase() + self.tower.id.slice(1) + ' Tower', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	towerTypeText.anchor.set(0, 0);
	towerTypeText.x = -840;
	towerTypeText.y = -160;
	self.addChild(towerTypeText);
	// Add tower description based on tower type
	var descriptionText = '';
	switch (self.tower.id) {
		case 'base':
			descriptionText = 'Basic tower foundation that can be merged with other bases to create specialized towers';
			break;
		case 'rapid':
			descriptionText = 'Fast-firing tower with high attack speed but lower damage per shot';
			break;
		case 'sniper':
			descriptionText = 'Long-range tower with high damage and exceptional range at max level';
			break;
		case 'splash':
			descriptionText = 'Area damage tower that deals splash damage to nearby enemies';
			break;
		case 'slow':
			descriptionText = 'Support tower that slows enemies and reduces their movement speed';
			break;
		case 'poison':
			descriptionText = 'Damage-over-time tower that applies poison effects to enemies';
			break;
		case 'ruin':
			descriptionText = 'Destroyed tower remains that cannot attack or be upgraded';
			break;
		default:
			descriptionText = 'Standard tower with balanced damage, range, and fire rate';
	}
	var towerDescriptionText = new Text2(descriptionText, {
		size: 50,
		fill: 0xCCCCCC,
		weight: 400
	});
	towerDescriptionText.anchor.set(0, 0);
	towerDescriptionText.x = -840;
	towerDescriptionText.y = -100;
	self.addChild(towerDescriptionText);
	var statsText = new Text2('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + self.tower.damage + '\nFire Rate: ' + (60 / self.tower.fireRate).toFixed(1) + '/s', {
		size: 70,
		fill: 0xFFFFFF,
		weight: 400
	});
	statsText.anchor.set(0, 0.5);
	statsText.x = -840;
	statsText.y = 50;
	self.addChild(statsText);
	var buttonsContainer = new Container();
	buttonsContainer.x = 500;
	self.addChild(buttonsContainer);
	// Upgrade button removed
	var sellButton = new Container();
	buttonsContainer.addChild(sellButton);
	var sellButtonBackground = sellButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	sellButtonBackground.width = 500;
	sellButtonBackground.height = 150;
	sellButtonBackground.tint = 0xCC0000;
	var sellButtonText = new Text2('Destroy', {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	sellButtonText.anchor.set(0.5, 0.5);
	sellButton.addChild(sellButtonText);
	sellButton.y = 0;
	var closeButton = new Container();
	self.addChild(closeButton);
	var closeBackground = closeButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBackground.width = 90;
	closeBackground.height = 90;
	closeBackground.tint = 0xAA0000;
	var closeText = new Text2('×', {
		size: 68,
		fill: 0xFFFFFF,
		weight: 800
	});
	closeText.anchor.set(0.5, 0.5);
	closeButton.addChild(closeText);
	closeButton.x = menuBackground.width / 2 - 57;
	closeButton.y = -menuBackground.height / 2 + 57;
	// Upgrade button event handler removed
	sellButton.down = function (x, y, obj) {
		var notification = game.addChild(new Notification("Tower destroyed!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		var gridX = self.tower.gridX;
		var gridY = self.tower.gridY;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 0;
					var towerIndex = cell.towersInRange.indexOf(self.tower);
					if (towerIndex !== -1) {
						cell.towersInRange.splice(towerIndex, 1);
					}
				}
			}
		}
		if (selectedTower === self.tower) {
			selectedTower = null;
		}
		var towerIndex = towers.indexOf(self.tower);
		if (towerIndex !== -1) {
			towers.splice(towerIndex, 1);
		}
		towerLayer.removeChild(self.tower);
		grid.pathFind();
		grid.renderDebug();
		self.destroy();
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i].isTowerRange && game.children[i].tower === self.tower) {
				game.removeChild(game.children[i]);
				break;
			}
		}
	};
	closeButton.down = function (x, y, obj) {
		hideUpgradeMenu(self);
		selectedTower = null;
		grid.renderDebug();
	};
	self.update = function () {
		// Update function simplified - no upgrade button logic needed
	};
	return self;
});
var WaveIndicator = Container.expand(function () {
	var self = Container.call(this);
	self.gameStarted = false;
	self.waveMarkers = [];
	self.waveTypes = [];
	self.enemyCounts = [];
	self.indicatorWidth = 0;
	self.lastBossType = null; // Track the last boss type to avoid repeating
	var blockWidth = 400;
	var totalBlocksWidth = blockWidth * totalWaves;
	var startMarker = new Container();
	var startBlock = startMarker.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startBlock.width = blockWidth - 10;
	startBlock.height = 70 * 2;
	startBlock.tint = 0x00AA00;
	// Add shadow for start text
	var startTextShadow = new Text2("Start Game", {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	startTextShadow.anchor.set(0.5, 0.5);
	startTextShadow.x = 4;
	startTextShadow.y = 4;
	startMarker.addChild(startTextShadow);
	var startText = new Text2("Start Game", {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	startText.anchor.set(0.5, 0.5);
	startMarker.addChild(startText);
	startMarker.x = -self.indicatorWidth;
	self.addChild(startMarker);
	self.waveMarkers.push(startMarker);
	startMarker.down = function () {
		if (!self.gameStarted) {
			self.gameStarted = true;
			currentWave = 0;
			waveTimer = nextWaveTime;
			startBlock.tint = 0x00FF00;
			startText.setText("Started!");
			startTextShadow.setText("Started!");
			// Make sure shadow position remains correct after text change
			startTextShadow.x = 4;
			startTextShadow.y = 4;
			// Hide start game button
			startMarker.visible = false;
			// Show all other wave indicators
			for (var i = 1; i < self.waveMarkers.length; i++) {
				self.waveMarkers[i].visible = true;
			}
			// Show position indicator
			self.positionIndicator.visible = true;
			var notification = game.addChild(new Notification("Game started! Wave 1 incoming!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
		}
	};
	for (var i = 0; i < totalWaves; i++) {
		var marker = new Container();
		var block = marker.attachAsset('notification', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		block.width = blockWidth - 10;
		block.height = 70 * 2;
		// --- Begin new unified wave logic ---
		var waveType = "normal";
		var enemyType = "normal";
		var enemyCount = 10;
		var isBossWave = (i + 1) % 10 === 0;
		// Ensure all types appear in early waves
		if (i === 0) {
			waveType = "Normal";
			enemyType = "normal";
			enemyCount = 10;
		} else if (i === 1) {
			waveType = "Fast";
			enemyType = "fast";
			enemyCount = 10;
		} else if (i === 2) {
			waveType = "Immune";
			enemyType = "immune";
			enemyCount = 10;
		} else if (i === 3) {
			waveType = "Flying";
			enemyType = "flying";
			enemyCount = 10;
		} else if (i === 4) {
			waveType = "Swarm";
			enemyType = "swarm";
			enemyCount = 30;
		} else if (isBossWave) {
			// Boss waves: cycle through all boss types, last boss is always flying
			var bossTypes = ['normal', 'fast', 'immune', 'flying'];
			var bossTypeIndex = Math.floor((i + 1) / 10) - 1;
			if (i === totalWaves - 1) {
				// Last boss is always flying
				enemyType = 'flying';
				waveType = "Boss Flying";
			} else {
				enemyType = bossTypes[bossTypeIndex % bossTypes.length];
				switch (enemyType) {
					case 'normal':
						waveType = "Boss Normal";
						break;
					case 'fast':
						waveType = "Boss Fast";
						break;
					case 'immune':
						waveType = "Boss Immune";
						break;
					case 'flying':
						waveType = "Boss Flying";
						break;
				}
			}
			enemyCount = 1;
		} else if ((i + 1) % 5 === 0) {
			// Every 5th non-boss wave is fast
			waveType = "Fast";
			enemyType = "fast";
			enemyCount = 10;
		} else if ((i + 1) % 4 === 0) {
			// Every 4th non-boss wave is immune
			waveType = "Immune";
			enemyType = "immune";
			enemyCount = 10;
		} else if ((i + 1) % 7 === 0) {
			// Every 7th non-boss wave is flying
			waveType = "Flying";
			enemyType = "flying";
			enemyCount = 10;
		} else if ((i + 1) % 3 === 0) {
			// Every 3rd non-boss wave is swarm
			waveType = "Swarm";
			enemyType = "swarm";
			enemyCount = 30;
		} else {
			waveType = "Normal";
			enemyType = "normal";
			enemyCount = 10;
		}
		// Use default block tint for all waves
		block.tint = 0xffffff;
		// --- End new unified wave logic ---
		// Mark boss waves with a special visual indicator
		if (isBossWave && enemyType !== 'swarm') {
			// Add a crown or some indicator to the wave marker for boss waves
			var bossIndicator = marker.attachAsset('icon_boss', {
				y: -block.height / 2,
				anchorX: 0.5,
				anchorY: 0.5
			});
			// Change the wave type text to indicate boss
			waveType = "BOSS";
		}
		// Store the wave type and enemy count
		self.waveTypes[i] = enemyType;
		self.enemyCounts[i] = enemyCount;
		// Add shadow for wave type - 30% smaller than before
		var waveTypeShadow = new Text2(waveType, {
			size: 56,
			fill: 0x000000,
			weight: 800
		});
		waveTypeShadow.anchor.set(0.5, 0.5);
		waveTypeShadow.x = 4;
		waveTypeShadow.y = 4;
		marker.addChild(waveTypeShadow);
		// Add wave type text - 30% smaller than before
		var waveTypeText = new Text2(waveType, {
			size: 56,
			fill: 0xFFFFFF,
			weight: 800
		});
		waveTypeText.anchor.set(0.5, 0.5);
		waveTypeText.y = 0;
		marker.addChild(waveTypeText);
		// Add shadow for wave number - 20% larger than before
		var waveNumShadow = new Text2((i + 1).toString(), {
			size: 48,
			fill: 0x000000,
			weight: 800
		});
		waveNumShadow.anchor.set(1.0, 1.0);
		waveNumShadow.x = blockWidth / 2 - 16 + 5;
		waveNumShadow.y = block.height / 2 - 12 + 5;
		marker.addChild(waveNumShadow);
		// Main wave number text - 20% larger than before
		var waveNum = new Text2((i + 1).toString(), {
			size: 48,
			fill: 0xFFFFFF,
			weight: 800
		});
		waveNum.anchor.set(1.0, 1.0);
		waveNum.x = blockWidth / 2 - 16;
		waveNum.y = block.height / 2 - 12;
		marker.addChild(waveNum);
		marker.x = -self.indicatorWidth + (i + 1) * blockWidth;
		self.addChild(marker);
		self.waveMarkers.push(marker);
	}
	// Get wave type for a specific wave number
	self.getWaveType = function (waveNumber) {
		if (waveNumber < 1 || waveNumber > totalWaves) {
			return "normal";
		}
		// If this is a boss wave (waveNumber % 10 === 0), and the type is the same as lastBossType
		// then we should return a different boss type
		var waveType = self.waveTypes[waveNumber - 1];
		return waveType;
	};
	// Get enemy count for a specific wave number
	self.getEnemyCount = function (waveNumber) {
		if (waveNumber < 1 || waveNumber > totalWaves) {
			return 10;
		}
		return self.enemyCounts[waveNumber - 1];
	};
	// Get display name for a wave type
	self.getWaveTypeName = function (waveNumber) {
		var type = self.getWaveType(waveNumber);
		var typeName = type.charAt(0).toUpperCase() + type.slice(1);
		// Add boss prefix for boss waves (every 10th wave)
		if (waveNumber % 10 === 0 && waveNumber > 0 && type !== 'swarm') {
			typeName = "BOSS";
		}
		return typeName;
	};
	self.positionIndicator = new Container();
	var indicator = self.positionIndicator.attachAsset('shape_box', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	indicator.width = blockWidth - 10;
	indicator.height = 16;
	indicator.tint = 0xffad0e;
	indicator.y = -65;
	var indicator2 = self.positionIndicator.attachAsset('shape_box', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	indicator2.width = blockWidth - 10;
	indicator2.height = 16;
	indicator2.tint = 0xffad0e;
	indicator2.y = 65;
	var leftWall = self.positionIndicator.attachAsset('shape_box', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	leftWall.width = 16;
	leftWall.height = 146;
	leftWall.tint = 0xffad0e;
	leftWall.x = -(blockWidth - 16) / 2;
	var rightWall = self.positionIndicator.attachAsset('shape_box', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	rightWall.width = 16;
	rightWall.height = 146;
	rightWall.tint = 0xffad0e;
	rightWall.x = (blockWidth - 16) / 2;
	self.addChild(self.positionIndicator);
	self.update = function () {
		var progress = waveTimer / nextWaveTime;
		var moveAmount = (progress + currentWave) * blockWidth;
		for (var i = 0; i < self.waveMarkers.length; i++) {
			var marker = self.waveMarkers[i];
			marker.x = -moveAmount + i * blockWidth;
		}
		self.positionIndicator.x = 0;
		for (var i = 0; i < totalWaves + 1; i++) {
			var marker = self.waveMarkers[i];
			if (i === 0) {
				continue;
			}
			var block = marker.children[0];
			if (i - 1 < currentWave) {
				block.alpha = .5;
			}
		}
		self.handleWaveProgression = function () {
			if (!self.gameStarted) {
				return;
			}
			if (currentWave < totalWaves) {
				waveTimer++;
				if (waveTimer >= nextWaveTime) {
					waveTimer = 0;
					currentWave++;
					waveInProgress = true;
					waveSpawned = false;
					if (currentWave != 1) {
						var waveType = self.getWaveTypeName(currentWave);
						var enemyCount = self.getEnemyCount(currentWave);
						var notification = game.addChild(new Notification("Wave " + currentWave + " (" + waveType + " - " + enemyCount + " enemies) incoming!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 150;
					}
				}
			}
		};
		self.handleWaveProgression();
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Create background before attaching other elements to game
var gameBackground = game.addChild(new Background({
	x: 2048 / 2,
	// Center horizontally
	y: 2732 / 2,
	// Center vertically  
	width: 2000,
	height: 3000,
	tileX: 2,
	tileY: 3
}));
var isHidingUpgradeMenu = false;
function hideUpgradeMenu(menu) {
	if (isHidingUpgradeMenu) {
		return;
	}
	isHidingUpgradeMenu = true;
	tween(menu, {
		y: 2732 + 225
	}, {
		duration: 150,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			menu.destroy();
			isHidingUpgradeMenu = false;
		}
	});
}
var CELL_SIZE = 76;
var pathId = 1;
var maxScore = 0;
var enemies = [];
var towers = [];
var bullets = [];
var defenses = [];
var selectedTower = null;
var gold = 5;
var lives = 20;
var score = 0;
var currentWave = 0;
var totalWaves = 50;
var waveTimer = 0;
var waveInProgress = false;
var waveSpawned = false;
var nextWaveTime = 12000 / 2;
var sourceTower = null;
var dragSourceTower = null; // Track which tower started the drag operation
var enemiesToSpawn = 10; // Default number of enemies per wave
var enemySpawnQueue = []; // Queue for enemies to spawn
var spawnDelayTimer = null; // Timer for spawn delays
// Gold display removed - now only shown next to source button
function updateUI() {
	livesDisplay.updateLives(lives);
	// Update source gold display
	if (goldText) {
		goldText.setText('× ' + gold);
	}
}
function setGold(value) {
	gold = value;
	updateUI();
}
var debugLayer = new Container();
var towerLayer = new Container();
// Create three separate layers for enemy hierarchy
var enemyLayerBottom = new Container(); // For normal enemies
var enemyLayerMiddle = new Container(); // For shadows
var enemyLayerTop = new Container(); // For flying enemies
var enemyLayer = new Container(); // Main container to hold all enemy layers
// Add layers in correct order (bottom first, then middle for shadows, then top)
enemyLayer.addChild(enemyLayerBottom);
enemyLayer.addChild(enemyLayerMiddle);
enemyLayer.addChild(enemyLayerTop);
var grid = new Grid({
	x: 150,
	y: 200 - CELL_SIZE * 4,
	gridWidth: 24,
	gridHeight: 29 + 6
});
grid.pathFind();
grid.renderDebug();
debugLayer.addChild(grid);
game.addChild(debugLayer);
game.addChild(towerLayer);
game.addChild(enemyLayer);
var offset = 0;
var towerPreview = new TowerPreview();
game.addChild(towerPreview);
towerPreview.visible = false;
var isDragging = false;
function wouldBlockPath(gridX, gridY) {
	var cells = [];
	for (var i = 0; i < 2; i++) {
		for (var j = 0; j < 2; j++) {
			var cell = grid.getCell(gridX + i, gridY + j);
			if (cell) {
				cells.push({
					cell: cell,
					originalType: cell.type
				});
				cell.type = 1;
			}
		}
	}
	var blocked = grid.pathFind();
	for (var i = 0; i < cells.length; i++) {
		cells[i].cell.type = cells[i].originalType;
	}
	grid.pathFind();
	grid.renderDebug();
	return blocked;
}
function getTowerCost(towerType) {
	if (towerType === 'base') {
		return 1;
	}
	return 1;
}
function placeTower(gridX, gridY) {
	if (gold >= 1) {
		var tower = new TowerBase({
			gridX: gridX,
			gridY: gridY
		});
		towerLayer.addChild(tower);
		towers.push(tower);
		setGold(gold - 1);
		grid.pathFind();
		grid.renderDebug();
		return true;
	} else {
		var notification = game.addChild(new Notification("Not enough gold!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		return false;
	}
}
game.down = function (x, y, obj) {
	var upgradeMenuVisible = game.children.some(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenuVisible) {
		return;
	}
	// Check if clicking on an existing tower first (for drag-to-upgrade)
	dragSourceTower = null;
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var towerLeft = tower.x - tower.width / 2;
		var towerRight = tower.x + tower.width / 2;
		var towerTop = tower.y - tower.height / 2;
		var towerBottom = tower.y + tower.height / 2;
		if (x >= towerLeft && x <= towerRight && y >= towerTop && y <= towerBottom) {
			dragSourceTower = tower;
			isDragging = true;
			return; // Don't check source towers if we're dragging from an existing tower
		}
	}
	for (var i = 0; i < sourceTowers.length; i++) {
		var tower = sourceTowers[i];
		if (x >= tower.x - tower.width / 2 && x <= tower.x + tower.width / 2 && y >= tower.y - tower.height / 2 && y <= tower.y + tower.height / 2) {
			// Check if player can afford this tower before allowing drag
			var towerCost = getTowerCost(tower.towerType);
			if (gold < towerCost) {
				var notification = game.addChild(new Notification("Not enough gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return; // Don't allow drag operation
			}
			towerPreview.visible = true;
			isDragging = true;
			towerPreview.towerType = tower.towerType;
			towerPreview.updateAppearance();
			// Apply the same offset as in move handler to ensure consistency when starting drag
			towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
			break;
		}
	}
};
game.move = function (x, y, obj) {
	if (isDragging) {
		// Shift the y position upward by 1.5 tiles to show preview above finger
		towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
	}
};
game.up = function (x, y, obj) {
	var clickedOnTower = false;
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var towerLeft = tower.x - tower.width / 2;
		var towerRight = tower.x + tower.width / 2;
		var towerTop = tower.y - tower.height / 2;
		var towerBottom = tower.y + tower.height / 2;
		if (x >= towerLeft && x <= towerRight && y >= towerTop && y <= towerBottom) {
			clickedOnTower = true;
			break;
		}
	}
	var upgradeMenus = game.children.filter(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenus.length > 0 && !isDragging && !clickedOnTower) {
		var clickedOnMenu = false;
		for (var i = 0; i < upgradeMenus.length; i++) {
			var menu = upgradeMenus[i];
			var menuWidth = 2048;
			var menuHeight = 450;
			var menuLeft = menu.x - menuWidth / 2;
			var menuRight = menu.x + menuWidth / 2;
			var menuTop = menu.y - menuHeight / 2;
			var menuBottom = menu.y + menuHeight / 2;
			if (x >= menuLeft && x <= menuRight && y >= menuTop && y <= menuBottom) {
				clickedOnMenu = true;
				break;
			}
		}
		if (!clickedOnMenu) {
			for (var i = 0; i < upgradeMenus.length; i++) {
				var menu = upgradeMenus[i];
				hideUpgradeMenu(menu);
			}
			for (var i = game.children.length - 1; i >= 0; i--) {
				if (game.children[i].isTowerRange) {
					game.removeChild(game.children[i]);
				}
			}
			selectedTower = null;
			grid.renderDebug();
		}
	}
	if (isDragging) {
		isDragging = false;
		// Handle tower-to-tower drag upgrade
		if (dragSourceTower) {
			// Check if we're dragging over another tower
			var targetTower = null;
			for (var i = 0; i < towers.length; i++) {
				var tower = towers[i];
				if (tower === dragSourceTower) {
					continue;
				} // Skip the source tower
				var towerLeft = tower.x - tower.width / 2;
				var towerRight = tower.x + tower.width / 2;
				var towerTop = tower.y - tower.height / 2;
				var towerBottom = tower.y + tower.height / 2;
				if (x >= towerLeft && x <= towerRight && y >= towerTop && y <= towerBottom) {
					targetTower = tower;
					break;
				}
			}
			if (targetTower) {
				// Handle base tower merging differently than regular tower upgrading
				if (dragSourceTower.id === 'base' && targetTower.id === 'base' && dragSourceTower.level === targetTower.level) {
					// Determine the new tower type based on the combination of base tower types
					var newTowerType = getMergeType(dragSourceTower.towerType, targetTower.towerType);
					// Create new tower of the determined type
					if (newTowerType) {
						var sourceGridX = dragSourceTower.gridX;
						var sourceGridY = dragSourceTower.gridY;
						var targetGridX = targetTower.gridX;
						var targetGridY = targetTower.gridY;
						var newTower = towerLayer.addChild(newTowerType({
							gridX: targetTower.gridX,
							gridY: targetTower.gridY
						}));
						var towerRuin = towerLayer.addChild(new TowerRuin({
							gridX: targetTower.gridX,
							gridY: targetTower.gridY
						}));
						towers.push(newTower);
						towers.push(towerRuin);
						// Clear target tower cells (they will be re-occupied by the new tower)
						for (var i = 0; i < 2; i++) {
							for (var j = 0; j < 2; j++) {
								var cell = grid.getCell(targetGridX + i, targetGridY + j);
								if (cell) {
									var towerIndex = cell.towersInRange.indexOf(targetTower);
									if (towerIndex !== -1) {
										cell.towersInRange.splice(towerIndex, 1);
									}
								}
							}
						}
						// Remove towers from arrays and layer
						var sourceTowerIndex = towers.indexOf(dragSourceTower);
						if (sourceTowerIndex !== -1) {
							towers.splice(sourceTowerIndex, 1);
						}
						var targetTowerIndex = towers.indexOf(targetTower);
						if (targetTowerIndex !== -1) {
							towers.splice(targetTowerIndex, 1);
						}
						towerLayer.removeChild(dragSourceTower);
						towerLayer.removeChild(targetTower);
						// Select the new tower and show its range
						selectedTower = newTower;
						// Remove any existing range indicators first
						for (var r = game.children.length - 1; r >= 0; r--) {
							if (game.children[r].isTowerRange) {
								game.removeChild(game.children[r]);
							}
						}
						// Add range indicator for the new tower
						var rangeIndicator = new Container();
						rangeIndicator.isTowerRange = true;
						rangeIndicator.tower = newTower;
						game.addChild(rangeIndicator);
						rangeIndicator.x = newTower.x;
						rangeIndicator.y = newTower.y;
						var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						rangeGraphics.width = rangeGraphics.height = newTower.getRange() * 2;
						rangeGraphics.alpha = 0.3;
						grid.pathFind();
						grid.renderDebug();
						var notification = game.addChild(new Notification("Base towers merged into " + newTowerType + " tower!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
					}
				} else if (dragSourceTower.id === targetTower.id && dragSourceTower.level === targetTower.level && dragSourceTower.id !== 'base') {
					// Handle regular tower upgrading (non-base towers)
					// Check if target tower is already at max level
					if (targetTower.level >= targetTower.maxLevel) {
						var notification = game.addChild(new Notification("Tower is already at max level!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
						dragSourceTower = null;
						return;
					}
					// Upgrade target tower
					targetTower.level++;
					// Apply tower-specific upgrades based on type
					if (targetTower.id === 'rapid') {
						if (targetTower.level === targetTower.maxLevel) {
							// Extra powerful last upgrade (double the effect)
							targetTower.fireRate = Math.max(4, 30 - targetTower.level * 9); // double the effect
							targetTower.damage = 5 + targetTower.level * 10; // double the effect
							targetTower.bulletSpeed = 7 + targetTower.level * 2.4; // double the effect
						} else {
							targetTower.fireRate = Math.max(15, 30 - targetTower.level * 3); // Fast tower gets faster with upgrades
							targetTower.damage = 5 + targetTower.level * 3;
							targetTower.bulletSpeed = 7 + targetTower.level * 0.7;
						}
					} else {
						if (targetTower.level === targetTower.maxLevel) {
							// Extra powerful last upgrade for all other towers (double the effect)
							targetTower.fireRate = Math.max(5, 60 - targetTower.level * 24); // double the effect
							targetTower.damage = 10 + targetTower.level * 20; // double the effect
							targetTower.bulletSpeed = 5 + targetTower.level * 2.4; // double the effect
						} else {
							targetTower.fireRate = Math.max(20, 60 - targetTower.level * 8);
							targetTower.damage = 10 + targetTower.level * 5;
							targetTower.bulletSpeed = 5 + targetTower.level * 0.5;
						}
					}
					targetTower.refreshCellsInRange();
					targetTower.updateLevelIndicators();
					// Deselect the old tower if it was selected
					if (selectedTower === dragSourceTower) {
						selectedTower = null;
						// Remove any existing range indicators for the old tower
						for (var r = game.children.length - 1; r >= 0; r--) {
							if (game.children[r].isTowerRange && game.children[r].tower === dragSourceTower) {
								game.removeChild(game.children[r]);
							}
						}
					}
					// Create a TowerRuin in place of the source tower
					var gridX = dragSourceTower.gridX;
					var gridY = dragSourceTower.gridY;
					var towerRuin = new TowerRuin();
					towerRuin.placeOnGrid(gridX, gridY);
					towerLayer.addChild(towerRuin);
					towers.push(towerRuin);
					var towerIndex = towers.indexOf(dragSourceTower);
					if (towerIndex !== -1) {
						towers.splice(towerIndex, 1);
					}
					towerLayer.removeChild(dragSourceTower);
					// Select the upgraded target tower and show its range
					selectedTower = targetTower;
					// Remove any existing range indicators first
					for (var r = game.children.length - 1; r >= 0; r--) {
						if (game.children[r].isTowerRange) {
							game.removeChild(game.children[r]);
						}
					}
					// Add range indicator for the newly upgraded tower
					var rangeIndicator = new Container();
					rangeIndicator.isTowerRange = true;
					rangeIndicator.tower = targetTower;
					game.addChild(rangeIndicator);
					rangeIndicator.x = targetTower.x;
					rangeIndicator.y = targetTower.y;
					var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					rangeGraphics.width = rangeGraphics.height = targetTower.getRange() * 2;
					rangeGraphics.alpha = 0.3;
					grid.pathFind();
					grid.renderDebug();
					var notification = game.addChild(new Notification("Tower upgraded!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
					// Deselect the old tower if it was selected
					if (selectedTower === dragSourceTower) {
						selectedTower = null;
						// Remove any existing range indicators for the old tower
						for (var r = game.children.length - 1; r >= 0; r--) {
							if (game.children[r].isTowerRange && game.children[r].tower === dragSourceTower) {
								game.removeChild(game.children[r]);
							}
						}
					}
					// Create a TowerRuin in place of the source tower
					var gridX = dragSourceTower.gridX;
					var gridY = dragSourceTower.gridY;
					var towerRuin = new TowerRuin();
					towerRuin.placeOnGrid(gridX, gridY);
					towerLayer.addChild(towerRuin);
					towers.push(towerRuin);
					var towerIndex = towers.indexOf(dragSourceTower);
					if (towerIndex !== -1) {
						towers.splice(towerIndex, 1);
					}
					towerLayer.removeChild(dragSourceTower);
					// Select the upgraded target tower and show its range
					selectedTower = targetTower;
					// Remove any existing range indicators first
					for (var r = game.children.length - 1; r >= 0; r--) {
						if (game.children[r].isTowerRange) {
							game.removeChild(game.children[r]);
						}
					}
					// Add range indicator for the newly upgraded tower
					var rangeIndicator = new Container();
					rangeIndicator.isTowerRange = true;
					rangeIndicator.tower = targetTower;
					game.addChild(rangeIndicator);
					rangeIndicator.x = targetTower.x;
					rangeIndicator.y = targetTower.y;
					var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					rangeGraphics.width = rangeGraphics.height = targetTower.getRange() * 2;
					rangeGraphics.alpha = 0.3;
					grid.pathFind();
					grid.renderDebug();
					var notification = game.addChild(new Notification("Tower upgraded!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				} else {
					var notification = game.addChild(new Notification("Can only combine same type and level towers!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				}
			}
			dragSourceTower = null;
		} else if (towerPreview.visible) {
			// Handle normal tower placement
			if (towerPreview.canPlace) {
				if (!wouldBlockPath(towerPreview.gridX, towerPreview.gridY)) {
					placeTower(towerPreview.gridX, towerPreview.gridY);
				} else {
					var notification = game.addChild(new Notification("Tower would block the path!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				}
			} else if (towerPreview.blockedByEnemy) {
				var notification = game.addChild(new Notification("Cannot build: Enemy in the way!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			} else if (towerPreview.visible) {
				var notification = game.addChild(new Notification("Cannot build here!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
			towerPreview.visible = false;
		}
		if (isDragging) {
			var upgradeMenus = game.children.filter(function (child) {
				return child instanceof UpgradeMenu;
			});
			for (var i = 0; i < upgradeMenus.length; i++) {
				upgradeMenus[i].destroy();
			}
		}
	}
};
function spawnNextEnemy() {
	if (enemySpawnQueue.length === 0) {
		return; // No more enemies to spawn
	}
	var enemyData = enemySpawnQueue.shift(); // Get first enemy from queue
	var enemy = new Enemy(enemyData.waveType);
	// Add enemy to the appropriate layer based on type
	if (enemy.isFlying) {
		// Add flying enemy to the top layer
		enemyLayerTop.addChild(enemy);
		// If it's a flying enemy, add its shadow to the middle layer
		if (enemy.shadow) {
			enemyLayerMiddle.addChild(enemy.shadow);
		}
	} else {
		// Add normal/ground enemies to the bottom layer
		enemyLayerBottom.addChild(enemy);
	}
	// Scale difficulty with wave number but don't apply to boss
	// as bosses already have their health multiplier
	// Use exponential scaling for health
	enemy.maxHealth = Math.round(enemy.maxHealth * enemyData.healthMultiplier);
	enemy.health = enemy.maxHealth;
	// All enemy types now spawn in the middle 6 tiles at the top spacing
	var gridWidth = 24;
	var midPoint = Math.floor(gridWidth / 2); // 12
	// Find a column that isn't occupied by another enemy that's not yet in view
	var availableColumns = [];
	for (var col = midPoint - 3; col < midPoint + 3; col++) {
		var columnOccupied = false;
		// Check if any enemy is already in this column but not yet in view
		for (var e = 0; e < enemies.length; e++) {
			if (enemies[e].cellX === col && enemies[e].currentCellY < 4) {
				columnOccupied = true;
				break;
			}
		}
		if (!columnOccupied) {
			availableColumns.push(col);
		}
	}
	// If all columns are occupied, use original random method
	var spawnX;
	if (availableColumns.length > 0) {
		// Choose a random unoccupied column
		spawnX = availableColumns[Math.floor(Math.random() * availableColumns.length)];
	} else {
		// Fallback to random if all columns are occupied
		spawnX = midPoint - 3 + Math.floor(Math.random() * 6); // x from 9 to 14
	}
	var spawnY = -1 - Math.random() * 5; // Random distance above the grid for spreading
	enemy.cellX = spawnX;
	enemy.cellY = 5; // Position after entry
	enemy.currentCellX = spawnX;
	enemy.currentCellY = spawnY;
	enemy.waveNumber = enemyData.waveNumber;
	enemies.push(enemy);
	// Schedule next enemy spawn if there are more in queue
	if (enemySpawnQueue.length > 0) {
		spawnDelayTimer = LK.setTimeout(function () {
			spawnNextEnemy();
		}, 50); // 50ms delay
	}
}
var waveIndicator = new WaveIndicator();
waveIndicator.x = 2048 / 2;
waveIndicator.y = 2732 - 80;
// Hide all wave markers except Start Game
for (var i = 1; i < waveIndicator.waveMarkers.length; i++) {
	waveIndicator.waveMarkers[i].visible = false;
}
// Hide position indicator
waveIndicator.positionIndicator.visible = false;
game.addChild(waveIndicator);
var nextWaveButtonContainer = new Container();
var nextWaveButton = new NextWaveButton();
nextWaveButton.x = 2048 - 200;
nextWaveButton.y = 2732 - 100 + 20;
nextWaveButtonContainer.addChild(nextWaveButton);
game.addChild(nextWaveButtonContainer);
var towerTypes = ['base'];
var sourceTowers = [];
var towerSpacing = 300; // Increase spacing for larger towers
var startX = 2048 / 2 - towerTypes.length * towerSpacing / 2 + towerSpacing / 2;
var towerY = 2732 - CELL_SIZE * 3 - 90;
for (var i = 0; i < towerTypes.length; i++) {
	var tower = new SourceTower(towerTypes[i]);
	tower.x = startX + i * towerSpacing;
	tower.y = towerY;
	towerLayer.addChild(tower);
	sourceTowers.push(tower);
}
// Add gold display next to source tower
var goldText = new Text2('× ' + gold, {
	size: 60,
	fill: 0xFFFFFF,
	weight: 800
});
goldText.anchor.set(0, 0.5);
goldText.x = startX + 90; // Position to the right of the source tower
goldText.y = towerY;
towerLayer.addChild(goldText);
// Add lives display next to source tower
var livesDisplay = towerLayer.addChild(new LivesText({
	x: startX - 150,
	y: towerY
}));
sourceTower = null;
enemiesToSpawn = 10;
game.update = function () {
	if (waveInProgress) {
		if (!waveSpawned) {
			waveSpawned = true;
			// Get wave type and enemy count from the wave indicator
			var waveType = waveIndicator.getWaveType(currentWave);
			var enemyCount = waveIndicator.getEnemyCount(currentWave);
			// Check if this is a boss wave
			var isBossWave = currentWave % 10 === 0 && currentWave > 0;
			if (isBossWave && waveType !== 'swarm') {
				// Boss waves have just 1 enemy regardless of what the wave indicator says
				enemyCount = 1;
				// Show boss announcement
				var notification = game.addChild(new Notification("⚠️ BOSS WAVE! ⚠️"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 200;
			}
			// Queue enemies for spawning with delay
			enemySpawnQueue = []; // Clear any existing queue
			for (var i = 0; i < enemyCount; i++) {
				var enemyData = {
					waveType: waveType,
					waveNumber: currentWave,
					healthMultiplier: Math.pow(1.12, currentWave)
				};
				enemySpawnQueue.push(enemyData);
			}
			// Start spawning enemies with 50ms delay
			if (enemySpawnQueue.length > 0) {
				spawnNextEnemy();
			}
		}
		var currentWaveEnemiesRemaining = false;
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].waveNumber === currentWave) {
				currentWaveEnemiesRemaining = true;
				break;
			}
		}
		if (waveSpawned && !currentWaveEnemiesRemaining) {
			// Give 2 gold for completing the wave
			setGold(gold + 2);
			var waveCompleteNotification = game.addChild(new Notification("Wave " + currentWave + " complete! +2 gold"));
			waveCompleteNotification.x = 2048 / 2;
			waveCompleteNotification.y = grid.height - 100;
			waveInProgress = false;
			waveSpawned = false;
		}
	}
	for (var a = enemies.length - 1; a >= 0; a--) {
		var enemy = enemies[a];
		if (enemy.health <= 0) {
			for (var i = 0; i < enemy.bulletsTargetingThis.length; i++) {
				var bullet = enemy.bulletsTargetingThis[i];
				bullet.targetEnemy = null;
			}
			// No individual gold rewards for defeating enemies
			// Give more score for defeating a boss
			var scoreValue = enemy.isBoss ? 100 : 5;
			score += scoreValue;
			// Add a notification for boss defeat
			if (enemy.isBoss) {
				var notification = game.addChild(new Notification("Boss defeated! +" + goldEarned + " gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 150;
			}
			updateUI();
			// Clean up shadow if it's a flying enemy
			if (enemy.isFlying && enemy.shadow) {
				enemyLayerMiddle.removeChild(enemy.shadow);
				enemy.shadow = null;
			}
			// Remove enemy from the appropriate layer
			if (enemy.isFlying) {
				enemyLayerTop.removeChild(enemy);
			} else {
				enemyLayerBottom.removeChild(enemy);
			}
			enemies.splice(a, 1);
			continue;
		}
		if (grid.updateEnemy(enemy)) {
			// Clean up shadow if it's a flying enemy
			if (enemy.isFlying && enemy.shadow) {
				enemyLayerMiddle.removeChild(enemy.shadow);
				enemy.shadow = null;
			}
			// Remove enemy from the appropriate layer
			if (enemy.isFlying) {
				enemyLayerTop.removeChild(enemy);
			} else {
				enemyLayerBottom.removeChild(enemy);
			}
			enemies.splice(a, 1);
			lives = Math.max(0, lives - 1);
			updateUI();
			if (lives <= 0) {
				LK.showGameOver();
			}
		}
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		if (!bullets[i].parent) {
			if (bullets[i].targetEnemy) {
				var targetEnemy = bullets[i].targetEnemy;
				var bulletIndex = targetEnemy.bulletsTargetingThis.indexOf(bullets[i]);
				if (bulletIndex !== -1) {
					targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			bullets.splice(i, 1);
		}
	}
	if (towerPreview.visible) {
		towerPreview.checkPlacement();
	}
	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
		LK.showYouWin();
	}
};
// Helper functions
function getMergeType(sourceType, targetType) {
	// Arrange alphabetically
	if (sourceType > targetType) {
		var tempType = sourceType;
		sourceTower = targetType;
		targetType = tempType;
	}
	// Return the merge tower type
	if (sourceType === 'blue' && targetType === 'blue') {
		return TowerFrost;
	} else if (sourceType === 'blue' && targetType === 'red') {
		return TowerPoison;
	} else if (sourceType === 'blue' && targetType === 'yellow') {
		return TowerNature;
	} else if (sourceType === 'red' && targetType === 'red') {
		return TowerFlame;
	} else if (sourceType === 'red' && targetType === 'yellow') {
		return TowerSun;
	} else if (sourceType === 'yellow' && targetType === 'yellow') {
		return TowerLightning;
	}
}

===================================================================
--- original.js
+++ change.js
@@ -180,8 +180,9 @@
 				}
 			}
 		}
 	};
+	self.placeOnGrid(config.gridX, config.gridY);
 	return self;
 });
 var TowerRuin = TowerBlueprint.expand(function (config) {
 	var self = TowerBlueprint.call(this, config);
@@ -425,19 +426,16 @@
 				}
 			}
 		}
 	};
-	self.placeOnGrid(config.gridX, config.gridY);
 	return self;
 });
 var Tower = TowerBlueprint.expand(function (config) {
 	var self = TowerBlueprint.call(this, config);
 	config = config || {};
 	self.id = config.id || 'default';
 	self.level = 1;
 	self.maxLevel = 3;
-	self.gridX = 0;
-	self.gridY = 0;
 	self.range = 3 * CELL_SIZE;
 	// Standardized method to get the current range of the tower
 	self.getRange = function () {
 		// Always calculate range based on tower type and level
@@ -2795,98 +2793,75 @@
 			if (targetTower) {
 				// Handle base tower merging differently than regular tower upgrading
 				if (dragSourceTower.id === 'base' && targetTower.id === 'base' && dragSourceTower.level === targetTower.level) {
 					// Determine the new tower type based on the combination of base tower types
-					var newTowerType = 'default'; // fallback
-					var sourceType = dragSourceTower.towerType;
-					var targetType = targetTower.towerType;
-					// Define merge combinations
-					if (sourceType === 'red' && targetType === 'red' || sourceType === 'red' && targetType === 'red') {
-						newTowerType = 'rapid';
-					} else if (sourceType === 'red' && targetType === 'yellow' || sourceType === 'yellow' && targetType === 'red') {
-						newTowerType = 'sniper';
-					} else if (sourceType === 'red' && targetType === 'blue' || sourceType === 'blue' && targetType === 'red') {
-						newTowerType = 'poison';
-					} else if (sourceType === 'blue' && targetType === 'blue' || sourceType === 'blue' && targetType === 'blue') {
-						newTowerType = 'slow';
-					} else if (sourceType === 'blue' && targetType === 'yellow' || sourceType === 'yellow' && targetType === 'blue') {
-						newTowerType = 'splash';
-					} else if (sourceType === 'yellow' && targetType === 'yellow' || sourceType === 'yellow' && targetType === 'yellow') {
-						newTowerType = 'default';
-					}
+					var newTowerType = getMergeType(dragSourceTower.towerType, targetTower.towerType);
 					// Create new tower of the determined type
-					var newTower;
-					if (newTowerType === 'sniper') {
-						newTower = new TowerSun({
-							id: newTowerType
-						});
-					} else {
-						newTower = new Tower({
-							id: newTowerType
-						});
-					}
-					newTower.placeOnGrid(targetTower.gridX, targetTower.gridY);
-					towerLayer.addChild(newTower);
-					towers.push(newTower);
-					// Remove both source towers
-					var sourceGridX = dragSourceTower.gridX;
-					var sourceGridY = dragSourceTower.gridY;
-					var targetGridX = targetTower.gridX;
-					var targetGridY = targetTower.gridY;
-					// Create TowerRuin in place of source tower
-					var sourceTowerRuin = new TowerRuin();
-					sourceTowerRuin.placeOnGrid(sourceGridX, sourceGridY);
-					towerLayer.addChild(sourceTowerRuin);
-					towers.push(sourceTowerRuin);
-					// Clear target tower cells (they will be re-occupied by the new tower)
-					for (var i = 0; i < 2; i++) {
-						for (var j = 0; j < 2; j++) {
-							var cell = grid.getCell(targetGridX + i, targetGridY + j);
-							if (cell) {
-								var towerIndex = cell.towersInRange.indexOf(targetTower);
-								if (towerIndex !== -1) {
-									cell.towersInRange.splice(towerIndex, 1);
+					if (newTowerType) {
+						var sourceGridX = dragSourceTower.gridX;
+						var sourceGridY = dragSourceTower.gridY;
+						var targetGridX = targetTower.gridX;
+						var targetGridY = targetTower.gridY;
+						var newTower = towerLayer.addChild(newTowerType({
+							gridX: targetTower.gridX,
+							gridY: targetTower.gridY
+						}));
+						var towerRuin = towerLayer.addChild(new TowerRuin({
+							gridX: targetTower.gridX,
+							gridY: targetTower.gridY
+						}));
+						towers.push(newTower);
+						towers.push(towerRuin);
+						// Clear target tower cells (they will be re-occupied by the new tower)
+						for (var i = 0; i < 2; i++) {
+							for (var j = 0; j < 2; j++) {
+								var cell = grid.getCell(targetGridX + i, targetGridY + j);
+								if (cell) {
+									var towerIndex = cell.towersInRange.indexOf(targetTower);
+									if (towerIndex !== -1) {
+										cell.towersInRange.splice(towerIndex, 1);
+									}
 								}
 							}
 						}
-					}
-					// Remove towers from arrays and layer
-					var sourceTowerIndex = towers.indexOf(dragSourceTower);
-					if (sourceTowerIndex !== -1) {
-						towers.splice(sourceTowerIndex, 1);
-					}
-					var targetTowerIndex = towers.indexOf(targetTower);
-					if (targetTowerIndex !== -1) {
-						towers.splice(targetTowerIndex, 1);
-					}
-					towerLayer.removeChild(dragSourceTower);
-					towerLayer.removeChild(targetTower);
-					// Select the new tower and show its range
-					selectedTower = newTower;
-					// Remove any existing range indicators first
-					for (var r = game.children.length - 1; r >= 0; r--) {
-						if (game.children[r].isTowerRange) {
-							game.removeChild(game.children[r]);
+						// Remove towers from arrays and layer
+						var sourceTowerIndex = towers.indexOf(dragSourceTower);
+						if (sourceTowerIndex !== -1) {
+							towers.splice(sourceTowerIndex, 1);
 						}
+						var targetTowerIndex = towers.indexOf(targetTower);
+						if (targetTowerIndex !== -1) {
+							towers.splice(targetTowerIndex, 1);
+						}
+						towerLayer.removeChild(dragSourceTower);
+						towerLayer.removeChild(targetTower);
+						// Select the new tower and show its range
+						selectedTower = newTower;
+						// Remove any existing range indicators first
+						for (var r = game.children.length - 1; r >= 0; r--) {
+							if (game.children[r].isTowerRange) {
+								game.removeChild(game.children[r]);
+							}
+						}
+						// Add range indicator for the new tower
+						var rangeIndicator = new Container();
+						rangeIndicator.isTowerRange = true;
+						rangeIndicator.tower = newTower;
+						game.addChild(rangeIndicator);
+						rangeIndicator.x = newTower.x;
+						rangeIndicator.y = newTower.y;
+						var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
+							anchorX: 0.5,
+							anchorY: 0.5
+						});
+						rangeGraphics.width = rangeGraphics.height = newTower.getRange() * 2;
+						rangeGraphics.alpha = 0.3;
+						grid.pathFind();
+						grid.renderDebug();
+						var notification = game.addChild(new Notification("Base towers merged into " + newTowerType + " tower!"));
+						notification.x = 2048 / 2;
+						notification.y = grid.height - 50;
 					}
-					// Add range indicator for the new tower
-					var rangeIndicator = new Container();
-					rangeIndicator.isTowerRange = true;
-					rangeIndicator.tower = newTower;
-					game.addChild(rangeIndicator);
-					rangeIndicator.x = newTower.x;
-					rangeIndicator.y = newTower.y;
-					var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
-						anchorX: 0.5,
-						anchorY: 0.5
-					});
-					rangeGraphics.width = rangeGraphics.height = newTower.getRange() * 2;
-					rangeGraphics.alpha = 0.3;
-					grid.pathFind();
-					grid.renderDebug();
-					var notification = game.addChild(new Notification("Base towers merged into " + newTowerType + " tower!"));
-					notification.x = 2048 / 2;
-					notification.y = grid.height - 50;
 				} else if (dragSourceTower.id === targetTower.id && dragSourceTower.level === targetTower.level && dragSourceTower.id !== 'base') {
 					// Handle regular tower upgrading (non-base towers)
 					// Check if target tower is already at max level
 					if (targetTower.level >= targetTower.maxLevel) {
@@ -3285,5 +3260,28 @@
 	}
 	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
 		LK.showYouWin();
 	}
-};
\ No newline at end of file
+};
+// Helper functions
+function getMergeType(sourceType, targetType) {
+	// Arrange alphabetically
+	if (sourceType > targetType) {
+		var tempType = sourceType;
+		sourceTower = targetType;
+		targetType = tempType;
+	}
+	// Return the merge tower type
+	if (sourceType === 'blue' && targetType === 'blue') {
+		return TowerFrost;
+	} else if (sourceType === 'blue' && targetType === 'red') {
+		return TowerPoison;
+	} else if (sourceType === 'blue' && targetType === 'yellow') {
+		return TowerNature;
+	} else if (sourceType === 'red' && targetType === 'red') {
+		return TowerFlame;
+	} else if (sourceType === 'red' && targetType === 'yellow') {
+		return TowerSun;
+	} else if (sourceType === 'yellow' && targetType === 'yellow') {
+		return TowerLightning;
+	}
+}
\ No newline at end of file