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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 8;
	self.damage = 1;
	self.targetUnit = null;
	self.owner = 1;
	var bulletGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setTarget = function (target) {
		self.targetUnit = target;
	};
	self.update = function () {
		if (!self.targetUnit || !self.targetUnit.parent) {
			// Target destroyed, remove bullet
			if (self.parent) {
				self.destroy();
				var index = bullets.indexOf(self);
				if (index !== -1) {
					bullets.splice(index, 1);
				}
			}
			return;
		}
		// Move towards target
		var dx = self.targetUnit.x - self.x;
		var dy = self.targetUnit.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < self.speed) {
			// Hit target
			if (self.targetUnit.parent) {
				// Damage target
				self.targetUnit.health -= self.damage;
				if (self.targetUnit.health <= 0) {
					// Target destroyed
					memoryManager.recycleUnit(self.targetUnit);
					var unitIndex = units.indexOf(self.targetUnit);
					if (unitIndex !== -1) {
						units.splice(unitIndex, 1);
					}
				}
			}
			// Remove bullet
			if (self.parent) {
				self.destroy();
				var index = bullets.indexOf(self);
				if (index !== -1) {
					bullets.splice(index, 1);
				}
			}
		} else {
			// Move towards target
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		}
	};
	return self;
});
var MovingUnitGroup = Container.expand(function () {
	var self = Container.call(this);
	self.owner = 1;
	self.units = [];
	self.lastUpdateTime = 0;
	// Create count text with same size as tower unit count
	self.countText = new Text2('0', {
		size: 30,
		fill: 0xFFFFFF
	});
	self.countText.anchor.set(0.5, 0.5);
	self.addChild(self.countText);
	self.updateGroup = function (nearbyUnits) {
		self.units = nearbyUnits;
		self.countText.setText(nearbyUnits.length);
		// Calculate center position of the group
		if (nearbyUnits.length > 0) {
			var totalX = 0;
			var totalY = 0;
			for (var i = 0; i < nearbyUnits.length; i++) {
				totalX += nearbyUnits[i].x;
				totalY += nearbyUnits[i].y;
			}
			self.x = totalX / nearbyUnits.length;
			self.y = totalY / nearbyUnits.length - 25; // Position above units
			self.visible = true;
		} else {
			self.visible = false;
		}
		self.lastUpdateTime = LK.ticks;
	};
	// Add continuous update method to track unit movement
	self.update = function () {
		if (self.units && self.units.length > 0) {
			var totalX = 0;
			var totalY = 0;
			var validUnits = 0;
			// Calculate new center position based on current unit positions
			for (var i = 0; i < self.units.length; i++) {
				if (self.units[i] && self.units[i].parent) {
					totalX += self.units[i].x;
					totalY += self.units[i].y;
					validUnits++;
				}
			}
			// Update position if we have valid units
			if (validUnits > 0) {
				self.x = totalX / validUnits;
				self.y = totalY / validUnits - 25; // Position above units
				self.visible = true;
			} else {
				self.visible = false;
			}
		}
	};
	self.isStale = function () {
		return LK.ticks - self.lastUpdateTime > 60; // 1 second at 60fps
	};
	return self;
});
var PathLine = Container.expand(function () {
	var self = Container.call(this);
	self.points = [];
	self.graphics = [];
	self.setPath = function (points) {
		// Clear old graphics
		for (var i = 0; i < self.graphics.length; i++) {
			self.graphics[i].destroy();
		}
		self.graphics = [];
		self.points = points;
		// Draw new path
		for (var i = 0; i < points.length - 1; i++) {
			var dist = Math.sqrt(Math.pow(points[i + 1].x - points[i].x, 2) + Math.pow(points[i + 1].y - points[i].y, 2));
			var segments = Math.floor(dist / 20);
			for (var j = 0; j < segments; j++) {
				var t = j / segments;
				var dot;
				if (memoryManager.pathDotPool.length > 0) {
					dot = memoryManager.pathDotPool.pop();
					dot.visible = true;
					dot.alpha = 0.5;
					self.addChild(dot);
				} else {
					dot = self.attachAsset('path', {
						anchorX: 0.5,
						anchorY: 0.5
					});
				}
				dot.x = points[i].x + (points[i + 1].x - points[i].x) * t;
				dot.y = points[i].y + (points[i + 1].y - points[i].y) * t;
				dot.alpha = 0.5;
				self.graphics.push(dot);
			}
		}
	};
	self.clear = function () {
		for (var i = 0; i < self.graphics.length; i++) {
			var dot = self.graphics[i];
			if (dot && dot.parent) {
				dot.parent.removeChild(dot);
				dot.visible = false;
				memoryManager.pathDotPool.push(dot);
			}
		}
		self.graphics = [];
		self.points = [];
	};
	return self;
});
var Tower = Container.expand(function () {
	var self = Container.call(this);
	self.owner = 0; // 0 = neutral, 1 = player, 2 = enemy
	self.unitCount = 0;
	self.maxUnits = 100;
	self.spawnRate = 30; // ticks between spawns
	self.lastSpawn = 0;
	self.level = 1;
	self.attackPower = 2;
	self.range = 200;
	self.lastAttack = 0;
	self.attackRate = 60; // ticks between attacks
	// Initialize with neutral tower, will be updated by setOwner
	var towerGraphics = self.attachAsset('neutralTower', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.countText = new Text2('0', {
		size: 30,
		fill: 0xFFFFFF
	});
	self.countText.anchor.set(0.5, 1);
	self.countText.y = -85; // Position above tower graphic
	self.addChild(self.countText);
	// Level text (positioned above unit count)
	self.levelText = new Text2('Lv.1', {
		size: 25,
		fill: 0xFFD700 // Gold color for level
	});
	self.levelText.anchor.set(0.5, 1);
	self.levelText.y = -110; // Position above unit count
	self.addChild(self.levelText);
	// Enemy name text (positioned below tower)
	self.nameText = new Text2('', {
		size: 40,
		fill: 0xFFFFFF
	});
	self.nameText.anchor.set(0.5, 0);
	self.nameText.y = 90; // Position below the tower
	self.addChild(self.nameText);
	// Upgrade button text (positioned below name text, only for player towers)
	self.upgradeText = new Text2('', {
		size: 30,
		fill: 0x00FF00 // Green color for upgrade button
	});
	self.upgradeText.anchor.set(0.5, 0);
	self.upgradeText.y = 130; // Position below name text
	self.addChild(self.upgradeText);
	self.setOwner = function (newOwner) {
		var oldOwner = self.owner;
		self.owner = newOwner;
		var targetAsset;
		if (newOwner === 0) {
			targetAsset = 'neutralTower';
		} else if (newOwner === 1) {
			targetAsset = 'playerTower';
		} else if (newOwner === 2) {
			targetAsset = 'enemyTower1';
		} else if (newOwner === 3) {
			targetAsset = 'enemyTower2';
		} else if (newOwner === 4) {
			targetAsset = 'enemyTower3';
		} else {
			targetAsset = 'enemyTower1'; // default enemy red
		}
		// Replace tower graphics with new asset
		if (oldOwner !== newOwner) {
			self.removeChild(towerGraphics);
			towerGraphics = self.attachAsset(targetAsset, {
				anchorX: 0.5,
				anchorY: 0.5
			});
			// Ensure text stays on top of the new graphics
			self.removeChild(self.countText);
			self.addChild(self.countText);
			self.removeChild(self.nameText);
			self.addChild(self.nameText);
		}
		// Update name display
		if (newOwner >= 2) {
			// Enemy tower - show name
			var enemyName = assignEnemyName(newOwner);
			self.nameText.setText(enemyName);
			self.nameText.alpha = 1;
			// Hide upgrade button for enemy towers
			self.upgradeText.setText('');
			self.upgradeText.alpha = 0;
		} else if (newOwner === 1) {
			// Player tower - show "Player"
			self.nameText.setText('Player');
			self.nameText.alpha = 1;
			// Show upgrade button for player towers
			var upgradeCost = self.level * 20;
			self.upgradeText.setText('Upgrade: ' + upgradeCost + ' coins');
			self.upgradeText.alpha = 1;
		} else {
			// Neutral tower - hide name and upgrade button
			self.nameText.setText('');
			self.nameText.alpha = 0;
			self.upgradeText.setText('');
			self.upgradeText.alpha = 0;
		}
		// Graphics already updated above with new asset
	};
	self.addUnits = function (count) {
		self.unitCount = Math.min(self.unitCount + count, self.maxUnits);
		self.countText.setText(Math.floor(self.unitCount));
	};
	self.removeUnits = function (count) {
		self.unitCount = Math.max(0, self.unitCount - count);
		self.countText.setText(Math.floor(self.unitCount));
		return count;
	};
	self.upgrade = function () {
		var upgradeCost = self.level * 20;
		if (coins >= upgradeCost) {
			coins -= upgradeCost;
			storage.coins = coins;
			coinsText.setText('Coins: ' + coins);
			self.level++;
			self.attackPower = self.level * 2;
			self.range = 200 + (self.level - 1) * 20;
			self.attackRate = Math.max(30, 60 - (self.level - 1) * 5);
			self.levelText.setText('Lv.' + self.level);
			// Update upgrade button text with new cost
			var newUpgradeCost = self.level * 20;
			self.upgradeText.setText('Upgrade: ' + newUpgradeCost + ' coins');
			// Flash effect for upgrade
			LK.effects.flashObject(self, 0x00ff00, 500);
			return true;
		}
		return false;
	};
	self.attack = function () {
		if (LK.ticks - self.lastAttack < self.attackRate) return;
		// Find enemy units in range
		var nearestEnemy = null;
		var minDist = Infinity;
		for (var i = 0; i < units.length; i++) {
			var unit = units[i];
			if (unit.owner !== self.owner) {
				var dx = self.x - unit.x;
				var dy = self.y - unit.y;
				var dist = Math.sqrt(dx * dx + dy * dy);
				if (dist <= self.range && dist < minDist) {
					minDist = dist;
					nearestEnemy = unit;
				}
			}
		}
		if (nearestEnemy) {
			self.lastAttack = LK.ticks;
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.damage = self.attackPower;
			bullet.owner = self.owner;
			bullet.setTarget(nearestEnemy);
			bullets.push(bullet);
			game.addChild(bullet);
		}
	};
	self.update = function () {
		if (self.owner > 0) {
			// Calculate dynamic spawn rate based on unit count
			// More units = faster production (lower spawn rate number)
			// Base rate is 30, reduced by unit count factor
			var dynamicSpawnRate = Math.max(10, self.spawnRate - Math.floor(self.unitCount / 10));
			if (LK.ticks - self.lastSpawn > dynamicSpawnRate) {
				self.addUnits(1);
				self.lastSpawn = LK.ticks;
			}
			// Attack nearby enemies
			self.attack();
		}
	};
	return self;
});
var Unit = Container.expand(function () {
	var self = Container.call(this);
	self.owner = 1;
	self.speed = 3.0; // Will be dynamically calculated during update
	self.targetTower = null;
	self.pathIndex = 0;
	self.path = [];
	self.health = 3;
	self.maxHealth = 3;
	// Initialize with player unit, will be updated by setOwner
	var unitGraphics = self.attachAsset('playerUnit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setOwner = function (owner) {
		self.owner = owner;
		var targetAsset;
		if (owner === 1) {
			targetAsset = 'playerUnit';
		} else if (owner === 2) {
			targetAsset = 'enemyUnit1';
		} else if (owner === 3) {
			targetAsset = 'enemyUnit2';
		} else if (owner === 4) {
			targetAsset = 'enemyUnit3';
		} else {
			targetAsset = 'enemyUnit1'; // default enemy red
		}
		// Replace unit graphics with new asset
		self.removeChild(unitGraphics);
		unitGraphics = self.attachAsset(targetAsset, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.setPath = function (path, target) {
		// Add random offset to create scattered movement
		var scatterRange = 40; // Maximum scatter distance
		var offsetX = (Math.random() - 0.5) * scatterRange;
		var offsetY = (Math.random() - 0.5) * scatterRange;
		// Create scattered path by adding random offsets to each point
		self.path = [];
		for (var i = 0; i < path.length; i++) {
			// Apply consistent offset throughout the path, but reduce it near the end
			var offsetFactor = Math.max(0.2, 1 - i / path.length * 0.8);
			self.path.push({
				x: path[i].x + offsetX * offsetFactor,
				y: path[i].y + offsetY * offsetFactor
			});
		}
		self.targetTower = target;
		self.pathIndex = 0;
		if (self.path.length > 0) {
			self.x = self.path[0].x;
			self.y = self.path[0].y;
		}
	};
	self.lastWasIntersecting = false;
	self.combatProcessed = false;
	self.update = function () {
		if (!self.targetTower || self.pathIndex >= self.path.length) {
			return;
		}
		// Calculate dynamic speed based on nearby units of same owner
		var nearbyUnits = 1; // Count self
		for (var i = 0; i < units.length; i++) {
			var otherUnit = units[i];
			if (otherUnit !== self && otherUnit.owner === self.owner) {
				var dx = self.x - otherUnit.x;
				var dy = self.y - otherUnit.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < 100) {
					// Same grouping distance as display
					nearbyUnits++;
				}
			}
		}
		// Calculate speed: fewer units = faster, more units = slower
		// Base speed of 3.0, reduced by group size
		// 1 unit: 3.0 speed, 10 units: 1.5 speed, 20+ units: 0.75 speed
		var dynamicSpeed = Math.max(0.75, 3.0 - (nearbyUnits - 1) * 0.15);
		self.speed = dynamicSpeed;
		// Check for combat with enemy units
		var currentIntersecting = false;
		for (var i = 0; i < units.length; i++) {
			var otherUnit = units[i];
			if (otherUnit !== self && otherUnit.owner !== self.owner) {
				// Check if units are close enough to fight (within 30 pixels)
				var combatDx = self.x - otherUnit.x;
				var combatDy = self.y - otherUnit.y;
				var combatDist = Math.sqrt(combatDx * combatDx + combatDy * combatDy);
				if (combatDist < 30) {
					currentIntersecting = true;
					// Combat occurs - both units destroy each other
					if (!self.lastWasIntersecting && !self.combatProcessed && !otherUnit.combatProcessed) {
						// Mark both units as having combat processed to prevent double-counting
						self.combatProcessed = true;
						otherUnit.combatProcessed = true;
						// Award 1 coin only when player unit destroys enemy unit
						if (self.owner === 1 && otherUnit.owner >= 2) {
							coins += 1;
							storage.coins = coins;
							coinsText.setText('Coins: ' + coins);
						}
						// Create combat sparkle effects at the battle location
						var battleX = (self.x + otherUnit.x) / 2;
						var battleY = (self.y + otherUnit.y) / 2;
						// Create multiple sparkle particles
						for (var sparkleIndex = 0; sparkleIndex < 8; sparkleIndex++) {
							var sparkle = memoryManager.getSparkle();
							game.addChild(sparkle);
							sparkle.x = battleX + (Math.random() - 0.5) * 40;
							sparkle.y = battleY + (Math.random() - 0.5) * 40;
							sparkle.alpha = 1;
							sparkle.scaleX = 0.5 + Math.random() * 0.5;
							sparkle.scaleY = sparkle.scaleX;
							sparkle.tint = 0xffff00 + Math.floor(Math.random() * 0x444444);
							// Animate sparkles flying outward and fading
							var randomAngle = Math.random() * Math.PI * 2;
							var flyDistance = 50 + Math.random() * 30;
							var targetX = sparkle.x + Math.cos(randomAngle) * flyDistance;
							var targetY = sparkle.y + Math.sin(randomAngle) * flyDistance;
							tween(sparkle, {
								x: targetX,
								y: targetY,
								alpha: 0,
								scaleX: 0,
								scaleY: 0
							}, {
								duration: 300 + Math.random() * 200,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									if (sparkle && sparkle.parent) {
										memoryManager.recycleSparkle(sparkle);
									}
								}
							});
						}
						// Flash both units red before destroying
						LK.effects.flashObject(self, 0xff0000, 200);
						LK.effects.flashObject(otherUnit, 0xff0000, 200);
						LK.getSound('combat').play();
						// Destroy both units after flash
						LK.setTimeout(function () {
							if (self && self.parent) {
								memoryManager.recycleUnit(self);
								var selfIndex = units.indexOf(self);
								if (selfIndex !== -1) {
									units.splice(selfIndex, 1);
								}
							}
							if (otherUnit && otherUnit.parent) {
								memoryManager.recycleUnit(otherUnit);
								var otherIndex = units.indexOf(otherUnit);
								if (otherIndex !== -1) {
									units.splice(otherIndex, 1);
								}
							}
						}, 200);
						return;
					}
				}
			}
		}
		self.lastWasIntersecting = currentIntersecting;
		var target = self.path[self.pathIndex];
		var dx = target.x - self.x;
		var dy = target.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < self.speed) {
			self.pathIndex++;
			if (self.pathIndex >= self.path.length && self.targetTower) {
				// Reached target tower
				if (self.targetTower.owner === self.owner) {
					self.targetTower.addUnits(1);
				} else {
					self.targetTower.unitCount--;
					if (self.targetTower.unitCount < 0) {
						self.targetTower.unitCount = 1;
						self.targetTower.setOwner(self.owner);
						LK.getSound('capture').play();
					}
					self.targetTower.countText.setText(Math.floor(Math.abs(self.targetTower.unitCount)));
				}
				memoryManager.recycleUnit(self);
				units.splice(units.indexOf(self), 1);
			}
		} else {
			// Add slight random movement variation for scattered appearance
			var moveX = dx / dist * self.speed;
			var moveY = dy / dist * self.speed;
			// Add small random deviation (5% of movement speed)
			var deviation = self.speed * 0.05;
			moveX += (Math.random() - 0.5) * deviation;
			moveY += (Math.random() - 0.5) * deviation;
			self.x += moveX;
			self.y += moveY;
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Add background image to cover the full game area
var backgroundImage = game.attachAsset('gameBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	// Center horizontally (2048/2)
	y: 1366 // Center vertically (2732/2)
});
// Legacy shape assets for other elements
// Unit Assets - Different for each faction
// Tower Assets - Different types for each faction
var towers = [];
var units = [];
var bullets = [];
var movingUnitGroups = [];
var currentPath = null;
var selectionRing = null;
var selectedTower = null;
var selectedUnitGroup = null;
var isDragging = false;
var isDraggingUnits = false;
var currentLevel = storage.currentLevel || 0;
var coins = storage.coins || 0;
var aiStartTime = null; // Track when AI should start (null = not started yet)
// Enemy names for different factions
var enemyNames = ["Karabekir", "Enver", "Talat", "Cemal", "İsmet", "Fevzi", "Kazım", "Refet", "Ali Fuat", "Rauf", "Bekir Sami", "Adnan", "Kâzım Özalp", "Salih", "Nureddin"];
var assignedEnemyNames = {}; // Track names assigned to each enemy faction
// Level configurations - 10 levels with progressive difficulty (scaled up 100%)
var levels = [{
	// Level 1 - Tutorial
	towers: [{
		x: 300,
		y: 1366,
		owner: 1,
		units: 30
	}, {
		x: 1024,
		y: 800,
		owner: 0,
		units: 10
	}, {
		x: 1748,
		y: 1366,
		owner: 2,
		units: 20
	}, {
		x: 1748,
		y: 400,
		owner: 3,
		units: 15
	}]
}, {
	// Level 2 - Basic Strategy
	towers: [{
		x: 300,
		y: 400,
		owner: 1,
		units: 35
	}, {
		x: 1024,
		y: 1366,
		owner: 0,
		units: 15
	}, {
		x: 1748,
		y: 400,
		owner: 2,
		units: 25
	}, {
		x: 1748,
		y: 2332,
		owner: 3,
		units: 25
	}, {
		x: 300,
		y: 2332,
		owner: 4,
		units: 20
	}]
}, {
	// Level 3 - Multi-Front
	towers: [{
		x: 300,
		y: 1366,
		owner: 1,
		units: 45
	}, {
		x: 700,
		y: 800,
		owner: 0,
		units: 15
	}, {
		x: 1348,
		y: 800,
		owner: 0,
		units: 15
	}, {
		x: 700,
		y: 1932,
		owner: 0,
		units: 15
	}, {
		x: 1348,
		y: 1932,
		owner: 0,
		units: 15
	}, {
		x: 1748,
		y: 400,
		owner: 2,
		units: 30
	}, {
		x: 1748,
		y: 1366,
		owner: 3,
		units: 30
	}, {
		x: 1748,
		y: 2332,
		owner: 4,
		units: 30
	}]
}, {
	// Level 4 - Defensive Challenge
	towers: [{
		x: 300,
		y: 1366,
		owner: 1,
		units: 50
	}, {
		x: 600,
		y: 600,
		owner: 0,
		units: 20
	}, {
		x: 1024,
		y: 400,
		owner: 2,
		units: 40
	}, {
		x: 1448,
		y: 600,
		owner: 0,
		units: 20
	}, {
		x: 1748,
		y: 1366,
		owner: 2,
		units: 40
	}, {
		x: 1024,
		y: 2100,
		owner: 2,
		units: 40
	}]
}, {
	// Level 5 - Resource Management
	towers: [{
		x: 200,
		y: 800,
		owner: 1,
		units: 55
	}, {
		x: 200,
		y: 1932,
		owner: 1,
		units: 55
	}, {
		x: 700,
		y: 1366,
		owner: 0,
		units: 25
	}, {
		x: 1348,
		y: 1366,
		owner: 0,
		units: 25
	}, {
		x: 1748,
		y: 600,
		owner: 2,
		units: 45
	}, {
		x: 1748,
		y: 1366,
		owner: 2,
		units: 45
	}, {
		x: 1748,
		y: 2132,
		owner: 2,
		units: 45
	}]
}, {
	// Level 6 - Territory Control
	towers: [{
		x: 300,
		y: 400,
		owner: 1,
		units: 60
	}, {
		x: 300,
		y: 2332,
		owner: 1,
		units: 60
	}, {
		x: 600,
		y: 800,
		owner: 0,
		units: 30
	}, {
		x: 1024,
		y: 1366,
		owner: 0,
		units: 30
	}, {
		x: 1448,
		y: 1932,
		owner: 0,
		units: 30
	}, {
		x: 1748,
		y: 800,
		owner: 2,
		units: 50
	}, {
		x: 1748,
		y: 1500,
		owner: 2,
		units: 50
	}, {
		x: 1748,
		y: 2200,
		owner: 2,
		units: 50
	}]
}, {
	// Level 7 - Advanced Tactics
	towers: [{
		x: 200,
		y: 1366,
		owner: 1,
		units: 65
	}, {
		x: 500,
		y: 600,
		owner: 0,
		units: 35
	}, {
		x: 500,
		y: 1366,
		owner: 0,
		units: 35
	}, {
		x: 500,
		y: 2132,
		owner: 0,
		units: 35
	}, {
		x: 1024,
		y: 400,
		owner: 0,
		units: 35
	}, {
		x: 1024,
		y: 2332,
		owner: 0,
		units: 35
	}, {
		x: 1548,
		y: 600,
		owner: 0,
		units: 35
	}, {
		x: 1548,
		y: 1366,
		owner: 0,
		units: 35
	}, {
		x: 1548,
		y: 2132,
		owner: 0,
		units: 35
	}, {
		x: 1848,
		y: 1366,
		owner: 2,
		units: 55
	}]
}, {
	// Level 8 - Siege Warfare
	towers: [{
		x: 300,
		y: 600,
		owner: 1,
		units: 70
	}, {
		x: 300,
		y: 1366,
		owner: 1,
		units: 70
	}, {
		x: 300,
		y: 2132,
		owner: 1,
		units: 70
	}, {
		x: 800,
		y: 800,
		owner: 0,
		units: 40
	}, {
		x: 800,
		y: 1932,
		owner: 0,
		units: 40
	}, {
		x: 1248,
		y: 800,
		owner: 0,
		units: 40
	}, {
		x: 1248,
		y: 1932,
		owner: 0,
		units: 40
	}, {
		x: 1650,
		y: 400,
		owner: 2,
		units: 60
	}, {
		x: 1650,
		y: 1366,
		owner: 2,
		units: 60
	}, {
		x: 1650,
		y: 2332,
		owner: 2,
		units: 60
	}]
}, {
	// Level 9 - Final Challenge
	towers: [{
		x: 200,
		y: 800,
		owner: 1,
		units: 75
	}, {
		x: 200,
		y: 1932,
		owner: 1,
		units: 75
	}, {
		x: 600,
		y: 400,
		owner: 0,
		units: 45
	}, {
		x: 600,
		y: 1366,
		owner: 0,
		units: 45
	}, {
		x: 600,
		y: 2332,
		owner: 0,
		units: 45
	}, {
		x: 1024,
		y: 600,
		owner: 0,
		units: 45
	}, {
		x: 1024,
		y: 2132,
		owner: 0,
		units: 45
	}, {
		x: 1448,
		y: 400,
		owner: 0,
		units: 45
	}, {
		x: 1448,
		y: 1366,
		owner: 0,
		units: 45
	}, {
		x: 1448,
		y: 2332,
		owner: 0,
		units: 45
	}, {
		x: 1748,
		y: 600,
		owner: 2,
		units: 65
	}, {
		x: 1748,
		y: 1366,
		owner: 2,
		units: 65
	}, {
		x: 1748,
		y: 2132,
		owner: 2,
		units: 65
	}]
}, {
	// Level 10 - Master's Trial
	towers: [{
		x: 150,
		y: 1366,
		owner: 1,
		units: 80
	}, {
		x: 400,
		y: 600,
		owner: 0,
		units: 50
	}, {
		x: 400,
		y: 1100,
		owner: 0,
		units: 50
	}, {
		x: 400,
		y: 1632,
		owner: 0,
		units: 50
	}, {
		x: 400,
		y: 2132,
		owner: 0,
		units: 50
	}, {
		x: 800,
		y: 400,
		owner: 0,
		units: 50
	}, {
		x: 800,
		y: 800,
		owner: 0,
		units: 50
	}, {
		x: 800,
		y: 1932,
		owner: 0,
		units: 50
	}, {
		x: 800,
		y: 2332,
		owner: 0,
		units: 50
	}, {
		x: 1248,
		y: 400,
		owner: 0,
		units: 50
	}, {
		x: 1248,
		y: 800,
		owner: 0,
		units: 50
	}, {
		x: 1248,
		y: 1932,
		owner: 0,
		units: 50
	}, {
		x: 1248,
		y: 2332,
		owner: 0,
		units: 50
	}, {
		x: 1648,
		y: 600,
		owner: 0,
		units: 50
	}, {
		x: 1648,
		y: 1100,
		owner: 0,
		units: 50
	}, {
		x: 1648,
		y: 1632,
		owner: 0,
		units: 50
	}, {
		x: 1648,
		y: 2132,
		owner: 0,
		units: 50
	}, {
		x: 1898,
		y: 1366,
		owner: 2,
		units: 70
	}]
}];
// UI Elements
var levelText = new Text2('Level ' + (currentLevel + 1), {
	size: 80,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
// Coins display
var coinsText = new Text2('Coins: ' + coins, {
	size: 60,
	fill: 0xFFD700 // Gold color
});
coinsText.anchor.set(0, 0);
coinsText.x = 20;
coinsText.y = 20;
LK.gui.topLeft.addChild(coinsText);
function assignEnemyName(owner) {
	if (!assignedEnemyNames[owner] && owner >= 2) {
		// Get available names (not already assigned)
		var availableNames = enemyNames.filter(function (name) {
			return !Object.values(assignedEnemyNames).includes(name);
		});
		// If no available names, reuse from the pool
		if (availableNames.length === 0) {
			availableNames = enemyNames;
		}
		// Assign random name
		var randomIndex = Math.floor(Math.random() * availableNames.length);
		assignedEnemyNames[owner] = availableNames[randomIndex];
	}
	return assignedEnemyNames[owner] || "";
}
function loadLevel(levelIndex) {
	// Initialize movingUnitGroups array if undefined
	if (!movingUnitGroups) {
		movingUnitGroups = [];
	}
	// Clear existing game objects
	for (var i = 0; i < towers.length; i++) {
		towers[i].destroy();
	}
	for (var i = 0; i < units.length; i++) {
		units[i].destroy();
	}
	towers = [];
	units = [];
	bullets = [];
	if (currentPath) {
		currentPath.destroy();
		currentPath = null;
	}
	// Clean up moving unit groups
	for (var i = 0; i < movingUnitGroups.length; i++) {
		if (movingUnitGroups[i].parent) {
			movingUnitGroups[i].destroy();
		}
	}
	movingUnitGroups = [];
	// Reset game state variables
	selectedTower = null;
	selectedUnitGroup = null;
	isDragging = false;
	isDraggingUnits = false;
	if (selectionRing) {
		selectionRing.destroy();
		selectionRing = null;
	}
	// Reset enemy name assignments
	assignedEnemyNames = {};
	// Load new level
	var levelData = levels[levelIndex % levels.length];
	for (var i = 0; i < levelData.towers.length; i++) {
		var towerData = levelData.towers[i];
		var tower = new Tower();
		tower.x = towerData.x;
		tower.y = towerData.y;
		tower.setOwner(towerData.owner);
		tower.addUnits(towerData.units);
		towers.push(tower);
		game.addChild(tower);
	}
	levelText.setText('Level ' + (levelIndex + 1));
	// Set AI to start after 5 seconds (5000ms)
	aiStartTime = LK.ticks + 5 * 60; // 5 seconds at 60 FPS
}
function createPath(start, end) {
	var points = [];
	var steps = 20;
	for (var i = 0; i <= steps; i++) {
		points.push({
			x: start.x + (end.x - start.x) * (i / steps),
			y: start.y + (end.y - start.y) * (i / steps)
		});
	}
	return points;
}
function sendUnits(fromTower, toTower, count) {
	var path = createPath(fromTower, toTower);
	var unitsToSend = Math.min(count, fromTower.unitCount);
	for (var i = 0; i < unitsToSend; i++) {
		var unit = memoryManager.getUnit();
		unit.setOwner(fromTower.owner);
		unit.setPath(path, toTower);
		units.push(unit);
		game.addChild(unit);
		// Add random spawn delay and position offset for scattered deployment
		var randomDelay = i * (30 + Math.random() * 40); // Random delay between 30-70ms per unit
		var spawnOffsetX = (Math.random() - 0.5) * 60; // Random spawn position offset
		var spawnOffsetY = (Math.random() - 0.5) * 60;
		// Position unit at spawn location with offset
		unit.x = fromTower.x + spawnOffsetX;
		unit.y = fromTower.y + spawnOffsetY;
		// Stagger unit spawning with random timing
		tween(unit, {
			x: path[0].x,
			y: path[0].y
		}, {
			duration: randomDelay,
			onFinish: function onFinish() {
				LK.getSound('deploy').play();
			}
		});
	}
	fromTower.removeUnits(unitsToSend);
}
function checkWinCondition() {
	var playerTowers = 0;
	var enemyTowers = 0;
	for (var i = 0; i < towers.length; i++) {
		if (towers[i].owner === 1) playerTowers++;
		if (towers[i].owner >= 2) enemyTowers++;
	}
	if (enemyTowers === 0) {
		// Win condition - player defeated all enemy factions
		currentLevel++;
		storage.currentLevel = currentLevel;
		LK.showYouWin();
	} else if (playerTowers === 0) {
		// Lose condition - reset coins and restart current level
		coins = 0;
		storage.coins = coins;
		coinsText.setText('Coins: ' + coins);
		LK.showGameOver();
	}
}
// Multi-faction AI with sophisticated strategies
function runAI() {
	// Don't run AI until 5 seconds have passed
	if (aiStartTime && LK.ticks < aiStartTime) {
		return;
	}
	// AI tower upgrade logic
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner >= 2) {
			// AI upgrade chance based on level and available resources simulation
			var upgradeChance = Math.min(0.02, tower.level * 0.005); // Max 2% chance per frame
			if (Math.random() < upgradeChance && tower.level < 5) {
				tower.level++;
				tower.attackPower = tower.level * 2;
				tower.range = 200 + (tower.level - 1) * 20;
				tower.attackRate = Math.max(30, 60 - (tower.level - 1) * 5);
				tower.levelText.setText('Lv.' + tower.level);
				LK.effects.flashObject(tower, 0xff4444, 300);
			}
		}
	}
	// Analyze game state for strategic decisions
	var gameState = analyzeGameState();
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner >= 2) {
			// Force action when AI towers approach 100 units (at 80+ units)
			if (tower.unitCount >= 80) {
				// Find any nearby target to attack immediately
				var emergencyTarget = findNearestEnemy(tower);
				if (emergencyTarget) {
					// Send most units to prevent reaching 100
					var unitsToSend = Math.floor(tower.unitCount * 0.7);
					if (unitsToSend > 0) {
						sendUnits(tower, emergencyTarget, unitsToSend);
					}
				}
			} else {
				// Normal strategic behavior for towers under 80 units
				var strategy = getOptimalStrategy(tower, gameState);
				executeStrategy(tower, strategy, gameState);
			}
		}
	}
}
// Analyze current game state for AI decision making
function analyzeGameState() {
	var state = {
		playerStrength: 0,
		enemyStrength: 0,
		neutralTowers: 0,
		playerTowers: [],
		enemyTowers: [],
		neutralTowersByDistance: [],
		threats: [],
		opportunities: []
	};
	// Calculate faction strengths and positions
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner === 1) {
			state.playerStrength += tower.unitCount;
			state.playerTowers.push(tower);
		} else if (tower.owner >= 2) {
			state.enemyStrength += tower.unitCount;
			state.enemyTowers.push(tower);
		} else {
			state.neutralTowers++;
		}
	}
	// Find strategic opportunities and threats for each enemy tower
	for (var i = 0; i < state.enemyTowers.length; i++) {
		var enemyTower = state.enemyTowers[i];
		var towerThreats = [];
		var towerOpportunities = [];
		// Analyze threats from player and other enemy factions
		for (var j = 0; j < towers.length; j++) {
			var otherTower = towers[j];
			if (otherTower.owner !== enemyTower.owner) {
				var distance = getDistance(enemyTower, otherTower);
				var threatLevel = calculateThreatLevel(enemyTower, otherTower, distance);
				if (threatLevel > 0) {
					towerThreats.push({
						tower: otherTower,
						distance: distance,
						threatLevel: threatLevel
					});
				}
				// Check for opportunities (weak targets)
				if (otherTower.unitCount < enemyTower.unitCount * 0.8) {
					towerOpportunities.push({
						tower: otherTower,
						distance: distance,
						advantage: enemyTower.unitCount - otherTower.unitCount
					});
				}
			}
		}
		state.threats[enemyTower.owner] = towerThreats.sort(function (a, b) {
			return b.threatLevel - a.threatLevel;
		});
		state.opportunities[enemyTower.owner] = towerOpportunities.sort(function (a, b) {
			return b.advantage - a.advantage;
		});
	}
	return state;
}
// Calculate threat level between two towers
function calculateThreatLevel(myTower, enemyTower, distance) {
	if (distance > 1000) return 0; // Too far to be immediate threat
	var unitRatio = enemyTower.unitCount / Math.max(myTower.unitCount, 1);
	var distanceFactor = Math.max(0, 1 - distance / 1000);
	return unitRatio * distanceFactor * 100;
}
// Get distance between two towers
function getDistance(tower1, tower2) {
	var dx = tower1.x - tower2.x;
	var dy = tower1.y - tower2.y;
	return Math.sqrt(dx * dx + dy * dy);
}
// Determine optimal strategy for a tower based on game state
function getOptimalStrategy(tower, gameState) {
	var threats = gameState.threats[tower.owner] || [];
	var opportunities = gameState.opportunities[tower.owner] || [];
	var isPlayerWinning = gameState.playerStrength > gameState.enemyStrength * 1.2;
	var isPlayerLosing = gameState.enemyStrength > gameState.playerStrength * 1.2;
	// Emergency defense if under immediate threat
	if (threats.length > 0 && threats[0].threatLevel > 50) {
		return {
			type: 'EMERGENCY_DEFENSE',
			target: threats[0].tower,
			urgency: threats[0].threatLevel
		};
	}
	// Different faction personalities with adaptive behavior
	if (tower.owner === 2) {
		// Faction 2: Adaptive Aggressor - changes tactics based on game state
		if (isPlayerLosing) {
			return {
				type: 'PRESS_ADVANTAGE',
				target: findWeakestPlayerTower(gameState.playerTowers, tower),
				minUnits: 8
			};
		} else if (opportunities.length > 0 && tower.unitCount > 15) {
			return {
				type: 'OPPORTUNISTIC_STRIKE',
				target: opportunities[0].tower,
				minUnits: 12
			};
		} else {
			return {
				type: 'AGGRESSIVE_EXPAND',
				target: findNearestEnemy(tower),
				minUnits: 10
			};
		}
	} else if (tower.owner === 3) {
		// Faction 3: Strategic Defender - focuses on timing and coordination
		if (tower.unitCount > 30 && isPlayerWinning) {
			return {
				type: 'COORDINATED_COUNTER',
				target: findStrongestPlayerTower(gameState.playerTowers, tower),
				minUnits: 25
			};
		} else if (opportunities.length > 0 && tower.unitCount > opportunities[0].tower.unitCount * 1.5) {
			return {
				type: 'CALCULATED_STRIKE',
				target: opportunities[0].tower,
				minUnits: 20
			};
		} else {
			return {
				type: 'DEFENSIVE_BUILD',
				target: null,
				minUnits: 35
			};
		}
	} else if (tower.owner === 4) {
		// Faction 4: Economic Opportunist - focuses on efficient expansion
		var nearbyNeutrals = findNearbyNeutralTowers(tower, 600);
		if (nearbyNeutrals.length > 0 && tower.unitCount > 15) {
			return {
				type: 'ECONOMIC_EXPANSION',
				target: nearbyNeutrals[0],
				minUnits: 12
			};
		} else if (opportunities.length > 0 && getDistance(tower, opportunities[0].tower) < 500) {
			return {
				type: 'EFFICIENT_CAPTURE',
				target: opportunities[0].tower,
				minUnits: opportunities[0].tower.unitCount + 5
			};
		} else {
			return {
				type: 'RESOURCE_BUILD',
				target: null,
				minUnits: 25
			};
		}
	} else {
		// Default faction: Balanced approach
		if (opportunities.length > 0 && tower.unitCount > 18) {
			return {
				type: 'BALANCED_ATTACK',
				target: opportunities[0].tower,
				minUnits: 15
			};
		} else {
			return {
				type: 'DEFENSIVE_BUILD',
				target: null,
				minUnits: 20
			};
		}
	}
}
// Execute the determined strategy
function executeStrategy(tower, strategy, gameState) {
	if (!strategy.target && strategy.type.indexOf('BUILD') === -1) return;
	if (tower.unitCount < strategy.minUnits) return;
	var unitsToSend;
	switch (strategy.type) {
		case 'EMERGENCY_DEFENSE':
			unitsToSend = Math.floor(tower.unitCount * 0.8); // Send most units in emergency
			break;
		case 'PRESS_ADVANTAGE':
			unitsToSend = Math.floor(tower.unitCount * 0.7); // Aggressive when winning
			break;
		case 'COORDINATED_COUNTER':
			unitsToSend = Math.floor(tower.unitCount * 0.6); // Calculated counter-attack
			break;
		case 'OPPORTUNISTIC_STRIKE':
		case 'CALCULATED_STRIKE':
		case 'EFFICIENT_CAPTURE':
			unitsToSend = Math.min(Math.floor(tower.unitCount * 0.6), strategy.target.unitCount + 10);
			break;
		case 'ECONOMIC_EXPANSION':
			unitsToSend = Math.floor(tower.unitCount * 0.4); // Conservative expansion
			break;
		case 'AGGRESSIVE_EXPAND':
		case 'BALANCED_ATTACK':
			unitsToSend = Math.floor(tower.unitCount * 0.5); // Standard attack
			break;
		default:
			return;
		// No action for build strategies
	}
	if (strategy.target && unitsToSend > 0) {
		sendUnits(tower, strategy.target, unitsToSend);
	}
}
// Helper functions for target selection
function findWeakestPlayerTower(playerTowers, fromTower) {
	var weakest = null;
	var minUnits = Infinity;
	for (var i = 0; i < playerTowers.length; i++) {
		if (playerTowers[i].unitCount < minUnits) {
			minUnits = playerTowers[i].unitCount;
			weakest = playerTowers[i];
		}
	}
	return weakest;
}
function findStrongestPlayerTower(playerTowers, fromTower) {
	var strongest = null;
	var maxUnits = 0;
	for (var i = 0; i < playerTowers.length; i++) {
		if (playerTowers[i].unitCount > maxUnits) {
			maxUnits = playerTowers[i].unitCount;
			strongest = playerTowers[i];
		}
	}
	return strongest;
}
function findNearestEnemy(fromTower) {
	var nearest = null;
	var minDist = Infinity;
	for (var i = 0; i < towers.length; i++) {
		if (towers[i].owner !== fromTower.owner) {
			var dist = getDistance(fromTower, towers[i]);
			if (dist < minDist) {
				minDist = dist;
				nearest = towers[i];
			}
		}
	}
	return nearest;
}
function findNearbyNeutralTowers(fromTower, maxDistance) {
	var nearby = [];
	for (var i = 0; i < towers.length; i++) {
		if (towers[i].owner === 0) {
			var dist = getDistance(fromTower, towers[i]);
			if (dist <= maxDistance) {
				nearby.push(towers[i]);
			}
		}
	}
	return nearby.sort(function (a, b) {
		return getDistance(fromTower, a) - getDistance(fromTower, b);
	});
}
game.down = function (x, y, obj) {
	// Clear previous selections
	selectedTower = null;
	selectedUnitGroup = null;
	isDragging = false;
	isDraggingUnits = false;
	if (selectionRing) {
		selectionRing.visible = false;
	}
	// Check for tower upgrade (double tap detection)
	var currentTime = LK.ticks;
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner === 1 && Math.abs(tower.x - x) < 75 && Math.abs(tower.y - y) < 75) {
			if (tower.lastTapTime && currentTime - tower.lastTapTime < 30) {
				// Double tap within 0.5 seconds
				tower.upgrade();
				tower.lastTapTime = null;
				return;
			} else {
				tower.lastTapTime = currentTime;
			}
			break;
		}
	}
	// First check for moving unit group selection (player units only)
	for (var i = 0; i < movingUnitGroups.length; i++) {
		var group = movingUnitGroups[i];
		if (group.owner === 1 && group.visible && Math.abs(group.x - x) < 50 && Math.abs(group.y - y) < 50) {
			selectedUnitGroup = group;
			isDraggingUnits = true;
			// Create selection ring if it doesn't exist
			if (!selectionRing) {
				selectionRing = game.attachAsset('selectionRing', {
					anchorX: 0.5,
					anchorY: 0.5
				});
			}
			selectionRing.x = group.x;
			selectionRing.y = group.y;
			selectionRing.visible = true;
			selectionRing.alpha = 0.7;
			if (!currentPath) {
				currentPath = new PathLine();
				game.addChild(currentPath);
			}
			currentPath.setPath([{
				x: group.x,
				y: group.y
			}]);
			return;
		}
	}
	// Then check for player tower selection
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner === 1 && Math.abs(tower.x - x) < 75 && Math.abs(tower.y - y) < 75) {
			selectedTower = tower;
			isDragging = true;
			if (!currentPath) {
				currentPath = new PathLine();
				game.addChild(currentPath);
			}
			currentPath.setPath([{
				x: tower.x,
				y: tower.y
			}]);
			break;
		}
	}
};
game.move = function (x, y, obj) {
	if (isDragging && selectedTower && currentPath) {
		currentPath.setPath([{
			x: selectedTower.x,
			y: selectedTower.y
		}, {
			x: x,
			y: y
		}]);
	} else if (isDraggingUnits && selectedUnitGroup && currentPath) {
		currentPath.setPath([{
			x: selectedUnitGroup.x,
			y: selectedUnitGroup.y
		}, {
			x: x,
			y: y
		}]);
		// Update selection ring position
		if (selectionRing) {
			selectionRing.x = selectedUnitGroup.x;
			selectionRing.y = selectedUnitGroup.y;
		}
	}
};
game.up = function (x, y, obj) {
	if (isDragging && selectedTower) {
		// Find target tower (scaled up detection area)
		var targetTower = null;
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			if (tower !== selectedTower && Math.abs(tower.x - x) < 75 && Math.abs(tower.y - y) < 75) {
				targetTower = tower;
				break;
			}
		}
		if (targetTower && selectedTower.unitCount > 0) {
			sendUnits(selectedTower, targetTower, Math.floor(selectedTower.unitCount * 0.5));
		}
	} else if (isDraggingUnits && selectedUnitGroup) {
		// Find target tower or unit group for redirection
		var targetTower = null;
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			if (Math.abs(tower.x - x) < 75 && Math.abs(tower.y - y) < 75) {
				targetTower = tower;
				break;
			}
		}
		if (targetTower && selectedUnitGroup.units && selectedUnitGroup.units.length > 0) {
			// Redirect all units in the selected group to new target
			var newPath = createPath({
				x: selectedUnitGroup.x,
				y: selectedUnitGroup.y
			}, targetTower);
			for (var i = 0; i < selectedUnitGroup.units.length; i++) {
				var unit = selectedUnitGroup.units[i];
				if (unit && unit.parent) {
					unit.setPath(newPath, targetTower);
				}
			}
		}
	}
	if (currentPath) {
		currentPath.clear();
	}
	if (selectionRing) {
		selectionRing.visible = false;
	}
	isDragging = false;
	isDraggingUnits = false;
	selectedTower = null;
	selectedUnitGroup = null;
};
game.update = function () {
	// Update all units
	for (var i = units.length - 1; i >= 0; i--) {
		if (!units[i] || !units[i].parent) {
			units.splice(i, 1);
		}
	}
	// Update all bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		if (!bullets[i] || !bullets[i].parent) {
			bullets.splice(i, 1);
		}
	}
	// Run AI every 2 seconds
	if (LK.ticks % 120 === 0) {
		runAI();
	}
	// Run memory cleanup
	memoryManager.performCleanup();
	// Check win/lose conditions
	if (LK.ticks % 60 === 0) {
		checkWinCondition();
	}
	// Update unit count display every 30 ticks (twice per second)
	if (LK.ticks % 30 === 0) {
		updateUnitCountDisplay();
		updateMovingUnitGroups();
	}
};
// Create Reset button
var resetButton = new Text2('Reset', {
	size: 60,
	fill: 0xFFFFFF
});
resetButton.anchor.set(1, 1); // Anchor to bottom right
LK.gui.bottomRight.addChild(resetButton);
// Reset button functionality
resetButton.down = function (x, y, obj) {
	// Clear existing game objects
	for (var i = 0; i < towers.length; i++) {
		towers[i].destroy();
	}
	for (var i = 0; i < units.length; i++) {
		units[i].destroy();
	}
	towers = [];
	units = [];
	// Clear bullets
	for (var i = 0; i < bullets.length; i++) {
		if (bullets[i] && bullets[i].parent) {
			bullets[i].destroy();
		}
	}
	bullets = [];
	if (currentPath) {
		currentPath.destroy();
		currentPath = null;
	}
	// Clean up moving unit groups
	for (var i = 0; i < movingUnitGroups.length; i++) {
		if (movingUnitGroups[i].parent) {
			movingUnitGroups[i].destroy();
		}
	}
	movingUnitGroups = [];
	// Reset game state variables
	selectedTower = null;
	selectedUnitGroup = null;
	isDragging = false;
	isDraggingUnits = false;
	if (selectionRing) {
		selectionRing.destroy();
		selectionRing = null;
	}
	aiStartTime = null;
	// Reset coins and level to 0 and update storage
	coins = 0;
	storage.coins = coins;
	coinsText.setText('Coins: ' + coins);
	currentLevel = 0;
	storage.currentLevel = currentLevel;
	// Load level 0 (restart from beginning)
	loadLevel(currentLevel);
};
// Initialize first level
loadLevel(currentLevel);
// Memory Management and Performance Optimization System
var memoryManager = {
	// Object pools for reusing objects instead of creating new ones
	unitPool: [],
	sparklePool: [],
	pathDotPool: [],
	// Memory cleanup settings
	cleanupInterval: 300,
	// Clean up every 5 seconds (300 ticks at 60fps)
	lastCleanup: 0,
	// Get unit from pool or create new one
	getUnit: function getUnit() {
		if (this.unitPool.length > 0) {
			var unit = this.unitPool.pop();
			// Reset unit properties
			unit.alpha = 1;
			unit.visible = true;
			unit.owner = 1;
			unit.speed = 3.0; // Will be dynamically calculated during update
			unit.targetTower = null;
			unit.pathIndex = 0;
			unit.path = [];
			unit.lastWasIntersecting = false;
			unit.combatProcessed = false;
			unit.health = 3;
			unit.maxHealth = 3;
			// Reset unit graphics to player unit (will be updated by setOwner)
			unit.setOwner(1);
			return unit;
		}
		return new Unit();
	},
	// Return unit to pool instead of destroying
	recycleUnit: function recycleUnit(unit) {
		if (unit && unit.parent) {
			unit.parent.removeChild(unit);
			unit.visible = false;
			this.unitPool.push(unit);
		}
	},
	// Get sparkle from pool or create new one
	getSparkle: function getSparkle() {
		if (this.sparklePool.length > 0) {
			var sparkle = this.sparklePool.pop();
			sparkle.alpha = 1;
			sparkle.visible = true;
			sparkle.scaleX = 0.5 + Math.random() * 0.5;
			sparkle.scaleY = sparkle.scaleX;
			return sparkle;
		}
		return game.attachAsset('sparkle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	},
	// Return sparkle to pool
	recycleSparkle: function recycleSparkle(sparkle) {
		if (sparkle && sparkle.parent) {
			sparkle.parent.removeChild(sparkle);
			sparkle.visible = false;
			this.sparklePool.push(sparkle);
		}
	},
	// Periodic memory cleanup
	performCleanup: function performCleanup() {
		if (LK.ticks - this.lastCleanup < this.cleanupInterval) {
			return;
		}
		this.lastCleanup = LK.ticks;
		// Clean up destroyed units from arrays
		for (var i = units.length - 1; i >= 0; i--) {
			if (!units[i] || !units[i].parent) {
				units.splice(i, 1);
			}
		}
		// Limit pool sizes to prevent excessive memory usage
		if (this.unitPool.length > 50) {
			// Actually destroy excess units
			var excess = this.unitPool.splice(50);
			for (var i = 0; i < excess.length; i++) {
				if (excess[i].destroy) {
					excess[i].destroy();
				}
			}
		}
		if (this.sparklePool.length > 100) {
			var excess = this.sparklePool.splice(100);
			for (var i = 0; i < excess.length; i++) {
				if (excess[i].destroy) {
					excess[i].destroy();
				}
			}
		}
		if (this.pathDotPool.length > 200) {
			var excess = this.pathDotPool.splice(200);
			for (var i = 0; i < excess.length; i++) {
				if (excess[i].destroy) {
					excess[i].destroy();
				}
			}
		}
		// Force garbage collection hint by nullifying references
		var temp = [];
		temp = null;
	}
};
// Moving unit group management
var movingUnitGroups = [];
// Create unit count panel in bottom left
var unitCountPanel = new Container();
LK.gui.bottomLeft.addChild(unitCountPanel);
// Panel background (optional visual enhancement)
var panelBg = LK.getAsset('tower', {
	width: 300,
	height: 200,
	anchorX: 0,
	anchorY: 1,
	alpha: 0.3
});
unitCountPanel.addChild(panelBg);
// Player unit count text
var playerCountText = new Text2('Oyuncu: 0', {
	size: 40,
	fill: 0x4a90e2 // Player blue color
});
playerCountText.anchor.set(0, 1);
playerCountText.x = 10;
playerCountText.y = -10;
unitCountPanel.addChild(playerCountText);
// Enemy faction count texts
var enemyCountTexts = [];
var enemyColors = [0xe74c3c, 0x9b59b6, 0xf39c12]; // Red, purple, orange
for (var i = 0; i < 3; i++) {
	var enemyText = new Text2('', {
		size: 40,
		fill: enemyColors[i]
	});
	enemyText.anchor.set(0, 1);
	enemyText.x = 10;
	enemyText.y = -50 - i * 40;
	unitCountPanel.addChild(enemyText);
	enemyCountTexts.push(enemyText);
}
// Function to update moving unit groups
function updateMovingUnitGroups() {
	// Clear existing groups
	for (var i = 0; i < movingUnitGroups.length; i++) {
		if (movingUnitGroups[i].parent) {
			movingUnitGroups[i].parent.removeChild(movingUnitGroups[i]);
		}
	}
	movingUnitGroups = [];
	// Group units by owner and proximity
	var processedUnits = [];
	for (var i = 0; i < units.length; i++) {
		var unit = units[i];
		if (processedUnits.indexOf(unit) !== -1) continue;
		// Find nearby units of same owner
		var group = [unit];
		processedUnits.push(unit);
		for (var j = i + 1; j < units.length; j++) {
			var otherUnit = units[j];
			if (processedUnits.indexOf(otherUnit) !== -1) continue;
			if (otherUnit.owner !== unit.owner) continue;
			// Check if within grouping distance (100 pixels)
			var dx = unit.x - otherUnit.x;
			var dy = unit.y - otherUnit.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 100) {
				group.push(otherUnit);
				processedUnits.push(otherUnit);
			}
		}
		// Create group display if more than 1 unit
		if (group.length > 1) {
			var groupDisplay = new MovingUnitGroup();
			groupDisplay.owner = unit.owner;
			groupDisplay.updateGroup(group);
			game.addChild(groupDisplay);
			movingUnitGroups.push(groupDisplay);
		}
	}
}
// Function to update unit count display
function updateUnitCountDisplay() {
	var playerUnits = 0;
	var enemyFactions = []; // Array to store enemy faction data
	// Count units in towers
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.owner === 1) {
			playerUnits += tower.unitCount;
		} else if (tower.owner >= 2 && tower.owner <= 4) {
			// Find or create enemy faction entry
			var factionIndex = enemyFactions.findIndex(function (faction) {
				return faction.owner === tower.owner;
			});
			if (factionIndex === -1) {
				enemyFactions.push({
					owner: tower.owner,
					units: tower.unitCount,
					name: assignedEnemyNames[tower.owner] || 'Rakip ' + (tower.owner - 1)
				});
			} else {
				enemyFactions[factionIndex].units += tower.unitCount;
			}
		}
	}
	// Count units in transit
	for (var i = 0; i < units.length; i++) {
		var unit = units[i];
		if (unit.owner === 1) {
			playerUnits++;
		} else if (unit.owner >= 2 && unit.owner <= 4) {
			var factionIndex = enemyFactions.findIndex(function (faction) {
				return faction.owner === unit.owner;
			});
			if (factionIndex !== -1) {
				enemyFactions[factionIndex].units++;
			}
		}
	}
	// Sort enemy factions by unit count (descending)
	enemyFactions.sort(function (a, b) {
		return b.units - a.units;
	});
	// Update display texts
	playerCountText.setText('Oyuncu: ' + playerUnits);
	// Clear all enemy texts first
	for (var i = 0; i < enemyCountTexts.length; i++) {
		enemyCountTexts[i].setText('');
	}
	// Update enemy faction displays with dynamic positioning
	for (var i = 0; i < Math.min(enemyFactions.length, enemyCountTexts.length); i++) {
		var faction = enemyFactions[i];
		var displayText = faction.name + ': ' + faction.units;
		// Add strikethrough for zero units
		if (faction.units === 0) {
			displayText = '~~' + displayText + '~~';
		}
		enemyCountTexts[i].setText(displayText);
		// Update position for dynamic sorting (reposition based on current index)
		enemyCountTexts[i].y = -50 - i * 40;
	}
}
// Play background music
LK.playMusic('battle');
;

===================================================================
--- original.js
+++ change.js
@@ -215,8 +215,16 @@
 	});
 	self.nameText.anchor.set(0.5, 0);
 	self.nameText.y = 90; // Position below the tower
 	self.addChild(self.nameText);
+	// Upgrade button text (positioned below name text, only for player towers)
+	self.upgradeText = new Text2('', {
+		size: 30,
+		fill: 0x00FF00 // Green color for upgrade button
+	});
+	self.upgradeText.anchor.set(0.5, 0);
+	self.upgradeText.y = 130; // Position below name text
+	self.addChild(self.upgradeText);
 	self.setOwner = function (newOwner) {
 		var oldOwner = self.owner;
 		self.owner = newOwner;
 		var targetAsset;
@@ -251,16 +259,25 @@
 			// Enemy tower - show name
 			var enemyName = assignEnemyName(newOwner);
 			self.nameText.setText(enemyName);
 			self.nameText.alpha = 1;
+			// Hide upgrade button for enemy towers
+			self.upgradeText.setText('');
+			self.upgradeText.alpha = 0;
 		} else if (newOwner === 1) {
 			// Player tower - show "Player"
 			self.nameText.setText('Player');
 			self.nameText.alpha = 1;
+			// Show upgrade button for player towers
+			var upgradeCost = self.level * 20;
+			self.upgradeText.setText('Upgrade: ' + upgradeCost + ' coins');
+			self.upgradeText.alpha = 1;
 		} else {
-			// Neutral tower - hide name
+			// Neutral tower - hide name and upgrade button
 			self.nameText.setText('');
 			self.nameText.alpha = 0;
+			self.upgradeText.setText('');
+			self.upgradeText.alpha = 0;
 		}
 		// Graphics already updated above with new asset
 	};
 	self.addUnits = function (count) {
@@ -282,8 +299,11 @@
 			self.attackPower = self.level * 2;
 			self.range = 200 + (self.level - 1) * 20;
 			self.attackRate = Math.max(30, 60 - (self.level - 1) * 5);
 			self.levelText.setText('Lv.' + self.level);
+			// Update upgrade button text with new cost
+			var newUpgradeCost = self.level * 20;
+			self.upgradeText.setText('Upgrade: ' + newUpgradeCost + ' coins');
 			// Flash effect for upgrade
 			LK.effects.flashObject(self, 0x00ff00, 500);
 			return true;
 		}