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

/**** 
* Classes
****/ 
/**** * 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) {
			self.targetEnemy.health -= self.damage;
			if (self.targetEnemy.health <= 0) {
				self.targetEnemy.health = 0;
			} else {
				self.targetEnemy.healthBar.width = self.targetEnemy.health / self.targetEnemy.maxHealth * 70;
			}
			if (self.type === 'splash') {
				var splashEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'splash');
				game.addChild(splashEffect);
				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) {
							otherEnemy.health -= self.damage * 0.5;
							if (otherEnemy.health <= 0) {
								otherEnemy.health = 0;
							} else {
								otherEnemy.healthBar.width = otherEnemy.health / otherEnemy.maxHealth * 70;
							}
						}
					}
				}
			} else if (self.type === 'slow') {
				if (!self.targetEnemy.isImmune) {
					var slowEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'slow');
					game.addChild(slowEffect);
					var slowPct = 0.5;
					if (self.sourceTowerLevel !== undefined) {
						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;
						self.targetEnemy.slowed = true;
						self.targetEnemy.slowDuration = 180;
					} else {
						self.targetEnemy.slowDuration = 180;
					}
				}
			} else if (self.type === 'poison') {
				if (!self.targetEnemy.isImmune) {
					var poisonEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'poison');
					game.addChild(poisonEffect);
					self.targetEnemy.poisoned = true;
					self.targetEnemy.poisonDamage = self.damage * 0.2;
					self.targetEnemy.poisonDuration = 300;
				}
			} else if (self.type === '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 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);
	};
});
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;
	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;
});
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;
	switch (self.type) {
		case 'fast':
			self.speed *= 2;
			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;
			break;
		case 'normal':
		default:
			break;
	}
	if (currentWave % 10 === 0 && currentWave > 0 && type !== 'swarm') {
		self.isBoss = true;
		self.maxHealth *= 20;
		self.speed = self.speed * 0.7;
	}
	self.health = self.maxHealth;
	var assetId = 'enemy';
	if (self.type !== 'normal') {
		assetId = 'enemy_' + self.type;
	}
	var enemyGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	if (self.isBoss) {
		enemyGraphics.scaleX = 1.8;
		enemyGraphics.scaleY = 1.8;
	}
	if (self.isFlying) {
		self.shadow = new Container();
		var shadowGraphics = self.shadow.attachAsset(assetId || 'enemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		shadowGraphics.tint = 0x000000;
		shadowGraphics.alpha = 0.4;
		if (self.isBoss) {
			shadowGraphics.scaleX = 1.8;
			shadowGraphics.scaleY = 1.8;
		}
		self.shadow.x = 20;
		self.shadow.y = 20;
		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;
		}
		if (self.isImmune) {
			self.slowed = false;
			self.slowEffect = false;
			self.poisoned = false;
			self.poisonEffect = false;
			if (self.originalSpeed !== undefined) {
				self.speed = self.originalSpeed;
			}
		} else {
			if (self.slowed) {
				if (!self.slowEffect) {
					self.slowEffect = true;
				}
				self.slowDuration--;
				if (self.slowDuration <= 0) {
					self.speed = self.originalSpeed;
					self.slowed = false;
					self.slowEffect = false;
					if (!self.poisoned) {
						enemyGraphics.tint = 0xFFFFFF;
					}
				}
			}
			if (self.poisoned) {
				if (!self.poisonEffect) {
					self.poisonEffect = true;
				}
				if (LK.ticks % 30 === 0) {
					self.health -= self.poisonDamage;
					if (self.health <= 0) {
						self.health = 0;
					}
					self.healthBar.width = self.health / self.maxHealth * 70;
				}
				self.poisonDuration--;
				if (self.poisonDuration <= 0) {
					self.poisoned = false;
					self.poisonEffect = false;
					if (!self.slowed) {
						enemyGraphics.tint = 0xFFFFFF;
					}
				}
			}
		}
		if (self.isImmune) {
			enemyGraphics.tint = 0xFFFFFF;
		} else if (self.poisoned && self.slowed) {
			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) {
				var angle = Math.atan2(oy, ox);
				if (enemyGraphics.targetRotation === undefined) {
					enemyGraphics.targetRotation = angle;
					enemyGraphics.rotation = angle;
				} else {
					if (Math.abs(angle - enemyGraphics.targetRotation) > 0.05) {
						tween.stop(enemyGraphics, {
							rotation: true
						});
						var currentRotation = enemyGraphics.rotation;
						var angleDiff = angle - currentRotation;
						while (angleDiff > Math.PI) {
							angleDiff -= Math.PI * 2;
						}
						while (angleDiff < -Math.PI) {
							angleDiff += Math.PI * 2;
						}
						enemyGraphics.targetRotation = angle;
						tween(enemyGraphics, {
							rotation: currentRotation + angleDiff
						}, {
							duration: 250,
							easing: tween.easeOut
						});
					}
				}
			}
		}
		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 Grid = Container.expand(function (gridWidth, gridHeight) {
	var self = Container.call(this);
	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: [],
				specialEffect: null
			};
		}
	}
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			var cell = self.cells[i][j];
			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 = [];
		}
	}
	self.getCell = function (x, y) {
		return self.cells[x] && self.cells[x][y];
	};
	self.pathFind = function () {
		var before = new Date().getTime();
		self.goals = [];
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				if (self.cells[i][j].type === 4) {
					// Cel to teraz type 4
					self.goals.push(self.cells[i][j]);
				}
			}
		}
		var toProcess = self.goals.concat([]);
		maxScore = 0;
		pathId += 1;
		for (var a = 0; a < toProcess.length; a++) {
			toProcess[a].pathId = pathId;
			toProcess[a].score = 0;
		}
		function processNode(node, targetValue, targetNode) {
			// Ta logika sprawdza, którędy może iść wróg
			if (node && (node.type === 0 || node.type === 3 || node.type === 4)) {
				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 === 0 || node.up.type === 3) && (node.left.type === 0 || node.left.type === 3)) {
					processNode(node.upLeft, targetScore, node);
				}
				if (node.up && node.right && (node.up.type === 0 || node.up.type === 3) && (node.right.type === 0 || node.right.type === 3)) {
					processNode(node.upRight, targetScore, node);
				}
				if (node.down && node.right && (node.down.type === 0 || node.down.type === 3) && (node.right.type === 0 || node.right.type === 3)) {
					processNode(node.downRight, targetScore, node);
				}
				if (node.down && node.left && (node.down.type === 0 || node.down.type === 3) && (node.left.type === 0 || node.left.type === 3)) {
					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);
			}
		}
		self.spawns = [];
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				if (self.cells[i][j].type === 3) {
					// ZMIANA: Szukamy spawnu type 3
					self.spawns.push(self.cells[i][j]);
				}
			}
		}
		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];
			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("Pathfinding complete in:", new Date().getTime() - before, "ms");
	};
	self.renderDebug = function () {
		// Ta funkcja może pozostać pusta lub zostać usunięta,
		// bo nie używamy już starego debugowania siatki
	};
	self.updateEnemy = function (enemy) {
		var cell = grid.getCell(enemy.cellX, enemy.cellY);
		if (cell && cell.type == 4) {
			// ZMIANA: Sprawdzamy, czy wróg dotarł do celu (type 4)
			return true; // Zwracamy 'true', żeby gra wiedziała, że wróg skończył trasę
		}
		if (enemy.isFlying && enemy.shadow) {
			enemy.shadow.x = enemy.x + 20;
			enemy.shadow.y = enemy.y + 20;
			if (enemy.children[0] && enemy.shadow.children[0]) {
				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
			}
		}
		// Logika startu wroga - idzie prosto w dół do pierwszej komórki ścieżki
		if (enemy.currentCellY < 5) {
			enemy.currentCellY += enemy.speed;
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			if (enemy.currentCellY >= 5) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
			}
			return false;
		}
		if (enemy.isFlying) {
			if (!enemy.flyingTarget) {
				enemy.flyingTarget = self.goals[Math.floor(Math.random() * self.goals.length)];
			}
			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) {
				return true;
			}
			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;
			enemy.cellX = Math.round(enemy.currentCellX);
			enemy.cellY = Math.round(enemy.currentCellY);
			return false;
		}
		if (!enemy.currentTarget) {
			if (cell) {
				enemy.currentTarget = cell.targets[Math.floor(Math.random() * cell.targets.length)];
			}
		}
		if (enemy.currentTarget) {
			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.currentCellX = enemy.currentTarget.x;
				enemy.currentCellY = enemy.currentTarget.y;
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
				enemy.currentTarget = undefined;
				return;
			}
			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 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';
	var baseGraphics = self.attachAsset('tower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.3,
		scaleY: 1.3
	});
	switch (self.towerType) {
		case 'rapid':
			baseGraphics.tint = 0x00AAFF;
			break;
		case 'sniper':
			baseGraphics.tint = 0xFF5500;
			break;
		case 'splash':
			baseGraphics.tint = 0x33CC00;
			break;
		case 'slow':
			baseGraphics.tint = 0x9900FF;
			break;
		case 'poison':
			baseGraphics.tint = 0x00FFAA;
			break;
		default:
			baseGraphics.tint = 0xAAAAAA;
	}
	var towerCost = getTowerCost(self.towerType);
	var typeLabelShadow = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	typeLabelShadow.anchor.set(0.5, 0.5);
	typeLabelShadow.x = 4;
	typeLabelShadow.y = -20 + 4;
	self.addChild(typeLabelShadow);
	var typeLabel = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	typeLabel.anchor.set(0.5, 0.5);
	typeLabel.y = -20;
	self.addChild(typeLabel);
	var costLabelShadow = new Text2(towerCost, {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	costLabelShadow.anchor.set(0.5, 0.5);
	costLabelShadow.x = 4;
	costLabelShadow.y = 24 + 12;
	self.addChild(costLabelShadow);
	var costLabel = new Text2(towerCost, {
		size: 50,
		fill: 0xFFD700,
		weight: 800
	});
	costLabel.anchor.set(0.5, 0.5);
	costLabel.y = 20 + 12;
	self.addChild(costLabel);
	self.update = function () {
		var canAfford = gold >= getTowerCost(self.towerType);
		self.alpha = canAfford ? 1 : 0.5;
	};
	return self;
});
var Tower = Container.expand(function (id) {
	var self = Container.call(this);
	self.id = id || 'default';
	self.level = 1;
	self.maxLevel = 6;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 3 * CELL_SIZE;
	self.getRange = function () {
		switch (self.id) {
			case 'sniper':
				if (self.level === self.maxLevel) {
					return 12 * CELL_SIZE;
				}
				return (5 + (self.level - 1) * 0.8) * CELL_SIZE;
			case 'splash':
				return (2 + (self.level - 1) * 0.2) * CELL_SIZE;
			case 'rapid':
				return (2.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'slow':
				return (3.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'poison':
				return (3.2 + (self.level - 1) * 0.5) * CELL_SIZE;
			default:
				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 baseGraphics = self.attachAsset('tower', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	switch (self.id) {
		case 'rapid':
			baseGraphics.tint = 0x00AAFF;
			break;
		case 'sniper':
			baseGraphics.tint = 0xFF5500;
			break;
		case 'splash':
			baseGraphics.tint = 0x33CC00;
			break;
		case 'slow':
			baseGraphics.tint = 0x9900FF;
			break;
		case 'poison':
			baseGraphics.tint = 0x00FFAA;
			break;
		default:
			baseGraphics.tint = 0xAAAAAA;
	}
	var levelIndicators = [];
	var maxDots = self.maxLevel;
	var dotSpacing = baseGraphics.width / (maxDots + 1);
	var dotSize = CELL_SIZE / 6;
	for (var i = 0; i < maxDots; i++) {
		var dot = new Container();
		var outlineCircle = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		outlineCircle.width = dotSize + 4;
		outlineCircle.height = dotSize + 4;
		outlineCircle.tint = 0x000000;
		var towerLevelIndicator = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		towerLevelIndicator.width = dotSize;
		towerLevelIndicator.height = dotSize;
		towerLevelIndicator.tint = 0xCCCCCC;
		dot.x = -CELL_SIZE + dotSpacing * (i + 1);
		dot.y = CELL_SIZE * 0.7;
		self.addChild(dot);
		levelIndicators.push(dot);
	}
	var gunContainer = new Container();
	self.addChild(gunContainer);
	var gunGraphics = gunContainer.attachAsset('defense', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.updateLevelIndicators = function () {
		for (var i = 0; i < maxDots; i++) {
			var dot = levelIndicators[i];
			var towerLevelIndicator = dot.children[1];
			if (i < self.level) {
				towerLevelIndicator.tint = 0xFFFFFF;
			} else {
				switch (self.id) {
					case 'rapid':
						towerLevelIndicator.tint = 0x00AAFF;
						break;
					case 'sniper':
						towerLevelIndicator.tint = 0xFF5500;
						break;
					case 'splash':
						towerLevelIndicator.tint = 0x33CC00;
						break;
					case 'slow':
						towerLevelIndicator.tint = 0x9900FF;
						break;
					case 'poison':
						towerLevelIndicator.tint = 0x00FFAA;
						break;
					default:
						towerLevelIndicator.tint = 0xAAAAAA;
				}
			}
		}
	};
	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 totalInvestment = baseTowerCost;
		var baseUpgradeCost = baseTowerCost;
		for (var i = 1; i < self.level; i++) {
			totalInvestment += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return totalInvestment;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost;
			if (self.level === self.maxLevel - 1) {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.level - 1) * 3.5 / 2);
			} else {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.level - 1));
			}
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				if (self.id === 'rapid') {
					if (self.level === self.maxLevel) {
						self.fireRate = Math.max(4, 30 - self.level * 9);
						self.damage = 5 + self.level * 10;
						self.bulletSpeed = 7 + self.level * 2.4;
					} else {
						self.fireRate = Math.max(15, 30 - self.level * 3);
						self.damage = 5 + self.level * 3;
						self.bulletSpeed = 7 + self.level * 0.7;
					}
				} else {
					if (self.level === self.maxLevel) {
						self.fireRate = Math.max(5, 60 - self.level * 24);
						self.damage = 10 + self.level * 20;
						self.bulletSpeed = 5 + self.level * 2.4;
					} 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) {
					var levelDot = levelIndicators[self.level - 1].children[1];
					tween(levelDot, {
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 300,
						easing: tween.elasticOut,
						onFinish: function onFinish() {
							tween(levelDot, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 200,
								easing: tween.easeOut
							});
						}
					});
				}
				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;
	};
	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);
			if (distance <= self.getRange()) {
				if (enemy.isFlying) {
					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));
						if (distToGoal < closestScore) {
							closestScore = distToGoal;
							closestEnemy = enemy;
						}
					} else {
						if (distance < closestScore) {
							closestScore = distance;
							closestEnemy = enemy;
						}
					}
				} else {
					var cell = grid.getCell(enemy.cellX, enemy.cellY);
					if (cell && cell.pathId === pathId) {
						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) {
			var dx = self.targetEnemy.x - self.x;
			var dy = self.targetEnemy.y - self.y;
			var angle = Math.atan2(dy, dx);
			gunContainer.rotation = angle;
			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) {
				var bulletX = self.x + Math.cos(gunContainer.rotation) * 40;
				var bulletY = self.y + Math.sin(gunContainer.rotation) * 40;
				var bullet = new Bullet(bulletX, bulletY, self.targetEnemy, self.damage, self.bulletSpeed);
				bullet.type = self.id;
				if (self.id === 'slow') {
					bullet.sourceTowerLevel = self.level;
				}
				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);
				tween.stop(gunContainer, {
					x: true,
					y: true,
					scaleX: true,
					scaleY: true
				});
				if (gunContainer._restX === undefined) {
					gunContainer._restX = 0;
				}
				if (gunContainer._restY === undefined) {
					gunContainer._restY = 0;
				}
				if (gunContainer._restScaleX === undefined) {
					gunContainer._restScaleX = 1;
				}
				if (gunContainer._restScaleY === undefined) {
					gunContainer._restScaleY = 1;
				}
				gunContainer.x = gunContainer._restX;
				gunContainer.y = gunContainer._restY;
				gunContainer.scaleX = gunContainer._restScaleX;
				gunContainer.scaleY = gunContainer._restScaleY;
				var recoilDistance = 8;
				var recoilX = -Math.cos(gunContainer.rotation) * recoilDistance;
				var recoilY = -Math.sin(gunContainer.rotation) * recoilDistance;
				tween(gunContainer, {
					x: gunContainer._restX + recoilX,
					y: gunContainer._restY + recoilY
				}, {
					duration: 60,
					easing: tween.cubicOut,
					onFinish: function onFinish() {
						tween(gunContainer, {
							x: gunContainer._restX,
							y: gunContainer._restY
						}, {
							duration: 90,
							easing: tween.cubicIn
						});
					}
				});
			}
		}
	};
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + (gridX + 1) * CELL_SIZE;
		self.y = grid.y + (gridY + 1) * CELL_SIZE;
		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 = 5; // ZMIANA: Ustawiamy pole jako 'zajęte'
				}
			}
		}
		self.refreshCellsInRange();
	};
	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;
	var rangeIndicator = new Container();
	self.addChild(rangeIndicator);
	var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	rangeGraphics.alpha = 0.3;
	var previewGraphics = self.attachAsset('towerpreview', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	previewGraphics.width = CELL_SIZE * 2;
	previewGraphics.height = CELL_SIZE * 2;
	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);
		if (previousHasEnoughGold !== self.hasEnoughGold) {
			self.updateAppearance();
		}
	};
	self.updateAppearance = function () {
		var tempTower = new Tower(self.towerType);
		var previewRange = tempTower.getRange();
		if (tempTower && tempTower.destroy) {
			tempTower.destroy();
		}
		rangeGraphics.width = rangeGraphics.height = previewRange * 2;
		switch (self.towerType) {
			case 'rapid':
				previewGraphics.tint = 0x00AAFF;
				break;
			case 'sniper':
				previewGraphics.tint = 0xFF5500;
				break;
			case 'splash':
				previewGraphics.tint = 0x33CC00;
				break;
			case 'slow':
				previewGraphics.tint = 0x9900FF;
				break;
			case 'poison':
				previewGraphics.tint = 0x00FFAA;
				break;
			default:
				previewGraphics.tint = 0xAAAAAA;
		}
		if (!self.canPlace || !self.hasEnoughGold) {
			previewGraphics.tint = 0xFF0000;
		}
	};
	self.updatePlacementStatus = function () {
		var validGridPlacement = true;
		// Sprawdzamy, czy nie budujemy poza wyznaczonymi granicami
		if (self.gridY <= 4 || self.gridY + 1 >= grid.cells[0].length - 4) {
			validGridPlacement = false;
		} else {
			// Sprawdzamy, czy wszystkie 4 komórki są miejscem na budowę (type 1)
			for (var i = 0; i < 2; i++) {
				for (var j = 0; j < 2; j++) {
					var cell = grid.getCell(self.gridX + i, self.gridY + j);
					if (!cell || cell.type !== 1) {
						// ZMIANA: szukamy '1' zamiast '0'
						validGridPlacement = false;
						break;
					}
				}
				if (!validGridPlacement) {
					break;
				}
			}
		}
		// Logika sprawdzania wrogów pozostaje bez zmian
		self.blockedByEnemy = false;
		if (validGridPlacement) {
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				if (enemy.currentCellY < 4) {
					continue;
				}
				if (!enemy.isFlying) {
					if (enemy.cellX >= self.gridX && enemy.cellX < self.gridX + 2 && enemy.cellY >= self.gridY && enemy.cellY < self.gridY + 2) {
						self.blockedByEnemy = true;
						break;
					}
					if (enemy.currentTarget) {
						var targetX = enemy.currentTarget.x;
						var targetY = enemy.currentTarget.y;
						if (targetX >= self.gridX && targetX < self.gridX + 2 && targetY >= self.gridY && targetY < self.gridY + 2) {
							self.blockedByEnemy = true;
							break;
						}
					}
				}
			}
		}
		self.canPlace = validGridPlacement && !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);
	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);
	var upgradeButton = new Container();
	buttonsContainer.addChild(upgradeButton);
	var buttonBackground = upgradeButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	buttonBackground.width = 500;
	buttonBackground.height = 150;
	var isMaxLevel = self.tower.level >= self.tower.maxLevel;
	var baseUpgradeCost = getTowerCost(self.tower.id);
	var upgradeCost;
	if (isMaxLevel) {
		upgradeCost = 0;
	} else if (self.tower.level === self.tower.maxLevel - 1) {
		upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
	} else {
		upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
	}
	buttonBackground.tint = isMaxLevel ? 0x888888 : gold >= upgradeCost ? 0x00AA00 : 0x888888;
	var buttonText = new Text2(isMaxLevel ? 'Max Level' : 'Upgrade: ' + upgradeCost + ' gold', {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	buttonText.anchor.set(0.5, 0.5);
	upgradeButton.addChild(buttonText);
	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 totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
	var sellValue = getTowerSellValue(totalInvestment);
	var sellButtonText = new Text2('Sell: +' + sellValue + ' gold', {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	sellButtonText.anchor.set(0.5, 0.5);
	sellButton.addChild(sellButtonText);
	upgradeButton.y = -85;
	sellButton.y = 85;
	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('X', {
		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;
	upgradeButton.down = function (x, y, obj) {
		if (self.tower.level >= self.tower.maxLevel) {
			var notification = game.addChild(new Notification("Tower is already at max level!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return;
		}
		if (self.tower.upgrade()) {
			var baseUpgradeCost = getTowerCost(self.tower.id);
			if (self.tower.level >= self.tower.maxLevel) {
				upgradeCost = 0;
			} else if (self.tower.level === self.tower.maxLevel - 1) {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
			} else {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
			}
			statsText.setText('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + self.tower.damage + '\nFire Rate: ' + (60 / self.tower.fireRate).toFixed(1) + '/s');
			buttonText.setText('Upgrade: ' + upgradeCost + ' gold');
			var totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
			var sellValue = Math.floor(totalInvestment * 0.6);
			sellButtonText.setText('Sell: +' + sellValue + ' gold');
			if (self.tower.level >= self.tower.maxLevel) {
				buttonBackground.tint = 0x888888;
				buttonText.setText('Max Level');
			}
			var rangeCircle = null;
			for (var i = 0; i < game.children.length; i++) {
				if (game.children[i].isTowerRange && game.children[i].tower === self.tower) {
					rangeCircle = game.children[i];
					break;
				}
			}
			if (rangeCircle) {
				var rangeGraphics = rangeCircle.children[0];
				rangeGraphics.width = rangeGraphics.height = self.tower.getRange() * 2;
			} else {
				var newRangeIndicator = new Container();
				newRangeIndicator.isTowerRange = true;
				newRangeIndicator.tower = self.tower;
				game.addChildAt(newRangeIndicator, 0);
				newRangeIndicator.x = self.tower.x;
				newRangeIndicator.y = self.tower.y;
				var rangeGraphics = newRangeIndicator.attachAsset('rangeCircle', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				rangeGraphics.width = rangeGraphics.height = self.tower.getRange() * 2;
				rangeGraphics.alpha = 0.3;
			}
			tween(self, {
				scaleX: 1.05,
				scaleY: 1.05
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 100,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	sellButton.down = function (x, y, obj) {
		var totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
		var sellValue = getTowerSellValue(totalInvestment);
		setGold(gold + sellValue);
		var notification = game.addChild(new Notification("Tower sold for " + sellValue + " gold!"));
		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 = 1; // ZMIANA: Pole wraca do bycia 'miejscem na budowę'
					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 () {
		if (self.tower.level >= self.tower.maxLevel) {
			if (buttonText.text !== 'Max Level') {
				buttonText.setText('Max Level');
				buttonBackground.tint = 0x888888;
			}
			return;
		}
		var baseUpgradeCost = getTowerCost(self.tower.id);
		var currentUpgradeCost;
		if (self.tower.level >= self.tower.maxLevel) {
			currentUpgradeCost = 0;
		} else if (self.tower.level === self.tower.maxLevel - 1) {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
		} else {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
		}
		var canAfford = gold >= currentUpgradeCost;
		buttonBackground.tint = canAfford ? 0x00AA00 : 0x888888;
		var newText = 'Upgrade: ' + currentUpgradeCost + ' gold';
		if (buttonText.text !== newText) {
			buttonText.setText(newText);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
/**** * Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x333333
});

/**** 
* Game Code
****/ 
/**** * Game Code
****/ 
var CELL_SIZE = 76;
// --- GŁÓWNE ZMIENNE STANU GRY ---
var isBuildPhase = false;
var buildPhaseTimer = 0; // Timer do odliczania
var startGameButton; // Przycisk "Start building"
var timerText;
var pathId;
var maxScore;
var enemies;
var towers;
var bullets;
var selectedTower;
var gold;
var lives;
var enemiesKilled;
var enemiesInCurrentWave;
var levelData;
var currentWave;
var totalWaves;
var waveTimer;
var waveInProgress;
var waveSpawned;
var nextWaveTime;
var sourceTowers;
var grid;
var wavesText;
var towerLayer;
var enemyLayer;
var debugLayer;
var specialTilesLayer;
var enemyLayerBottom;
var enemyLayerMiddle;
var enemyLayerTop;
var towerPreview;
var buildPanelContainer;
var buildButton;
var isBuildPanelOpen;
// --- GŁÓWNE ELEMENTY UI ---
var goldText = new Text2('Gold: ' + 80, {
	size: 60,
	fill: 0xFFD700,
	weight: 800
});
goldText.anchor.set(0.5, 0.5);
var livesText = new Text2('Lives: ' + 20, {
	size: 60,
	fill: 0x00FF00,
	weight: 800
});
livesText.anchor.set(0.5, 0.5);
var enemiesText = new Text2('Enemies: 0/0', {
	size: 60,
	fill: 0xFF0000,
	weight: 800
});
enemiesText.anchor.set(0.5, 0.5);
var topMargin = 50;
var centerX = 2048 / 2;
var spacing = 400;
LK.gui.top.addChild(goldText);
LK.gui.top.addChild(livesText);
LK.gui.top.addChild(enemiesText);
livesText.x = 0;
livesText.y = topMargin;
goldText.x = -spacing;
goldText.y = topMargin;
enemiesText.x = spacing;
enemiesText.y = topMargin;
// --- ZARZĄDZANIE STANAMI GRY ---
var currentScreenState = '';
var titleScreenContainer = null;
var levelSelectContainer = null;
// --- GLOBALNE FUNKCJE POMOCNICZE ---
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;
		}
	});
}
function updateUI() {
	goldText.setText('Gold: ' + gold);
	livesText.setText('Lives: ' + lives);
	enemiesText.setText('Enemies: ' + enemiesKilled + '/' + enemiesInCurrentWave);
	if (wavesText) {
		wavesText.setText('Wave: ' + currentWave + '/' + totalWaves);
	}
}
function setGold(value) {
	gold = value;
	updateUI();
}
function getTowerCost(towerType) {
	var cost = 5;
	switch (towerType) {
		case 'rapid':
			cost = 15;
			break;
		case 'sniper':
			cost = 25;
			break;
		case 'splash':
			cost = 35;
			break;
		case 'slow':
			cost = 45;
			break;
		case 'poison':
			cost = 55;
			break;
	}
	if (!isBuildPhase && currentWave > 0) {
		// Jeśli trwa faza walki
		cost = Math.floor(cost * 1.5);
	}
	return cost;
}
function getTowerSellValue(totalValue) {
	return Math.floor(totalValue * 0.6);
}
// --- FUNKCJE EKRANÓW ---
function showTitleScreen() {
	if (titleScreenContainer) {
		titleScreenContainer.destroy();
	}
	titleScreenContainer = new Container();
	game.addChild(titleScreenContainer);
	currentScreenState = 'title';
	if (LK.gui.top) {
		LK.gui.top.visible = false;
	}
	var gameTitle = new Text2("NASZA FANTASY TD", {
		size: 120,
		fill: 0xFFD700,
		weight: 800,
		align: 'center',
		stroke: 0x000000,
		strokeThickness: 8
	});
	gameTitle.anchor.set(0.5, 0.5);
	gameTitle.x = 2048 / 2;
	gameTitle.y = 2732 / 2 - 300;
	titleScreenContainer.addChild(gameTitle);
	var startButton = new Container();
	startButton.x = 2048 / 2;
	startButton.y = 2732 / 2 + 100;
	titleScreenContainer.addChild(startButton);
	var startButtonBg = startButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 400,
		height: 150,
		tint: 0x00AA00
	});
	var startButtonText = new Text2("START", {
		size: 80,
		fill: 0xFFFFFF,
		weight: 'bold'
	});
	startButtonText.anchor.set(0.5, 0.5);
	startButton.addChild(startButtonText);
	startButton.interactive = true;
	startButton.down = function () {
		console.log("Przycisk START wciśnięty. Przechodzę do wyboru poziomu.");
		if (titleScreenContainer) {
			titleScreenContainer.destroy();
		}
		showLevelSelectScreen();
	};
}
function showLevelSelectScreen() {
	if (levelSelectContainer) {
		levelSelectContainer.destroy();
	}
	levelSelectContainer = new Container();
	game.addChild(levelSelectContainer);
	currentScreenState = 'levelSelect';
	if (LK.gui.top) {
		LK.gui.top.visible = false;
	}
	var selectTitle = new Text2("WYBIERZ POZIOM", {
		size: 100,
		fill: 0xFFFFFF,
		weight: 700
	});
	selectTitle.anchor.set(0.5, 0.5);
	selectTitle.x = 2048 / 2;
	selectTitle.y = 400;
	levelSelectContainer.addChild(selectTitle);
	var levelButton1 = new Container();
	levelButton1.x = 2048 / 2;
	levelButton1.y = 800;
	levelSelectContainer.addChild(levelButton1);
	var levelButton1Bg = levelButton1.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 600,
		height: 200,
		tint: 0x0088CC
	});
	var levelButton1Text = new Text2("Poziom 1: Mroczny Las", {
		size: 60,
		fill: 0xFFFFFF
	});
	levelButton1Text.anchor.set(0.5, 0.5);
	levelButton1.addChild(levelButton1Text);
	levelButton1.interactive = true;
	levelButton1.down = function () {
		console.log("Wybrano Poziom 1. Rozpoczynam grę...");
		startGame(1);
	};
	var backButton = new Container();
	backButton.x = 2048 / 2;
	backButton.y = 2732 - 300;
	levelSelectContainer.addChild(backButton);
	var backButtonBg = backButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 300,
		height: 120,
		tint: 0xAA0000
	});
	var backButtonText = new Text2("Powrót", {
		size: 60,
		fill: 0xFFFFFF
	});
	backButtonText.anchor.set(0.5, 0.5);
	backButton.addChild(backButtonText);
	backButton.interactive = true;
	backButton.down = function () {
		console.log("Powrót do menu głównego.");
		if (levelSelectContainer) {
			levelSelectContainer.destroy();
		}
		showTitleScreen();
	};
}
function toggleBuildPanel(forceState) {
	var targetY;
	var shouldBeOpen;
	if (forceState === 'open') {
		shouldBeOpen = true;
	} else if (forceState === 'close') {
		shouldBeOpen = false;
	} else {
		shouldBeOpen = !isBuildPanelOpen;
	}
	if (shouldBeOpen) {
		targetY = 2732 - 250; // Pozycja panelu gdy jest otwarty
		isBuildPanelOpen = true;
	} else {
		targetY = 2732 + 100; // Pozycja panelu gdy jest zamknięty (schowany)
		isBuildPanelOpen = false;
	}
	tween(buildPanelContainer, {
		y: targetY
	}, {
		duration: 300,
		easing: tween.backOut
	});
}
function startGame(levelNumber) {
	// --- CZYSZCZENIE EKRANU I INICJALIZACJA ---
	console.log("Rozpoczynam ładowanie poziomu: " + levelNumber);
	if (titleScreenContainer) {
		titleScreenContainer.destroy();
		titleScreenContainer = null;
	}
	if (levelSelectContainer) {
		levelSelectContainer.destroy();
		levelSelectContainer = null;
	}
	currentScreenState = 'gameplay';
	if (LK.gui.top) {
		LK.gui.top.visible = true;
	}
	// --- WCZYTANIE DANYCH POZIOMU DO ZMIENNEJ GLOBALNEJ ---
	levelData = {
		levelName: "Poziom 1: Królewska Droga",
		initialGold: 100,
		initialLives: 20,
		mapLayout: ["22222222110S011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "22222222110E011222222222"],
		waves: [{
			wave: 1,
			type: 'normal',
			count: 10
		}, {
			wave: 2,
			type: 'normal',
			count: 15
		}, {
			wave: 3,
			type: 'fast',
			count: 10
		}, {
			wave: 4,
			type: 'normal',
			count: 20
		}, {
			wave: 5,
			type: 'swarm',
			count: 30
		}, {
			wave: 6,
			type: 'normal',
			count: 10
		}, {
			wave: 7,
			type: 'fast',
			count: 15
		}, {
			wave: 8,
			type: 'immune',
			count: 10
		}, {
			wave: 9,
			type: 'flying',
			count: 10
		}, {
			wave: 10,
			type: 'normal',
			isBoss: true,
			count: 1
		}],
		specialTiles: []
	};
	pathId = 1;
	maxScore = 0;
	enemies = [];
	towers = [];
	bullets = [];
	selectedTower = null;
	gold = levelData.initialGold;
	lives = levelData.initialLives;
	enemiesKilled = 0;
	enemiesInCurrentWave = 0;
	currentWave = 1;
	totalWaves = levelData.waves.length;
	waveInProgress = true;
	waveSpawned = false;
	waveTimer = 0;
	nextWaveTime = 1200;
	sourceTowers = [];
	isBuildPanelOpen = false;
	wavesText = new Text2('Wave: 0/' + totalWaves, {
		size: 60,
		fill: 0x00FFFF,
		weight: 800
	});
	wavesText.anchor.set(0.5, 0.5);
	LK.gui.top.addChild(wavesText);
	wavesText.x = spacing;
	wavesText.y = topMargin + 80;
	updateUI();
	debugLayer = new Container();
	specialTilesLayer = new Container();
	towerLayer = new Container();
	enemyLayerBottom = new Container();
	enemyLayerMiddle = new Container();
	enemyLayerTop = new Container();
	enemyLayer = new Container();
	enemyLayer.addChild(enemyLayerBottom);
	enemyLayer.addChild(enemyLayerMiddle);
	enemyLayer.addChild(enemyLayerTop);
	grid = new Grid(24, 29 + 6);
	grid.x = 150;
	grid.y = 200 - CELL_SIZE * 4;
	for (var y = 0; y < levelData.mapLayout.length; y++) {
		for (var x = 0; x < levelData.mapLayout[y].length; x++) {
			var tileChar = levelData.mapLayout[y][x];
			var cell = grid.getCell(x, y + 5);
			if (cell) {
				if (tileChar === '0') {
					cell.type = 0; // Ścieżka
				} else if (tileChar === '1') {
					cell.type = 1; // Miejsce na budowę
				} else if (tileChar === 'S') {
					cell.type = 3; // Spawn
				} else if (tileChar === 'E') {
					cell.type = 4; // Cel
				} else {
					cell.type = 2; // Domyślnie traktuj resztę jako przeszkodę
				}
			}
		}
	}
	levelData.specialTiles.forEach(function (tile) {
		var cell = grid.getCell(tile.x, tile.y);
		if (cell) {
			cell.specialEffect = tile.type;
			var tilePlaceholder = specialTilesLayer.attachAsset('cell', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			tilePlaceholder.x = grid.x + tile.x * CELL_SIZE + CELL_SIZE / 2;
			tilePlaceholder.y = grid.y + tile.y * CELL_SIZE + CELL_SIZE / 2;
			tilePlaceholder.alpha = 0.5;
			if (tile.type === 'amplify') {
				tilePlaceholder.tint = 0xFFD700;
			} else if (tile.type === 'synergy') {
				tilePlaceholder.tint = 0x9932CC;
			}
		}
	});
	grid.pathFind();
	game.addChild(debugLayer);
	game.addChild(specialTilesLayer);
	game.addChild(towerLayer);
	game.addChild(enemyLayer);
	towerPreview = new TowerPreview();
	game.addChild(towerPreview);
	towerPreview.visible = false;
	var isDragging = false;
	// --- Logika Startu Gry i Fazy Budowy ---
	startGameButton = new Container();
	var startBuildingBg = startGameButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 600,
		height: 150,
		tint: 0xFFD700
	});
	var startBuildingText = new Text2("Start building", {
		size: 70,
		fill: 0x000000,
		weight: 'bold'
	});
	startBuildingText.anchor.set(0.5, 0.5);
	startGameButton.addChild(startBuildingText);
	startGameButton.x = 2048 / 2;
	startGameButton.y = 2732 / 2;
	game.addChild(startGameButton);
	// Tekst timera, na początku niewidoczny
	timerText = new Text2("", {
		size: 100,
		fill: 0xFFFFFF,
		weight: 800,
		stroke: 0x000000,
		strokeThickness: 6
	});
	timerText.anchor.set(0.5, 0.5);
	timerText.x = 2048 / 2;
	timerText.y = 2732 / 2;
	timerText.visible = false;
	game.addChild(timerText);
	startGameButton.down = function () {
		isBuildPhase = true;
		buildPhaseTimer = 60 * 10; // 10 sekund przy 60 FPS
		timerText.visible = true;
		startGameButton.destroy(); // Niszczymy przycisk po użyciu
	};
	function placeTower(gridX, gridY, towerType) {
		var towerCost = getTowerCost(towerType);
		if (gold >= towerCost) {
			var tower = new Tower(towerType || 'default');
			tower.placeOnGrid(gridX, gridY);
			towerLayer.addChild(tower);
			towers.push(tower);
			setGold(gold - towerCost);
			grid.pathFind();
			return true;
		} else {
			var notification = game.addChild(new Notification("Not enough gold!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return false;
		}
	}
	buildPanelContainer = new Container();
	game.addChild(buildPanelContainer);
	buildPanelContainer.x = 2048 / 2;
	buildPanelContainer.y = 2732 + 100;
	var panelBackground = buildPanelContainer.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 1800,
		height: 400
	});
	panelBackground.tint = 0x222222;
	panelBackground.alpha = 0.9;
	var towerTypes = ['default', 'rapid', 'sniper', 'splash', 'slow', 'poison'];
	var towerIconSpacing = 280;
	var totalWidth = (towerTypes.length - 1) * towerIconSpacing;
	var towerStartX = -totalWidth / 2;
	for (var i = 0; i < towerTypes.length; i++) {
		var tower = new SourceTower(towerTypes[i]);
		tower.x = towerStartX + i * towerIconSpacing;
		tower.y = 0;
		buildPanelContainer.addChild(tower);
		sourceTowers.push(tower);
	}
	buildButton = new Container();
	game.addChild(buildButton);
	buildButton.x = 2048 / 2;
	buildButton.y = 2732 - 100;
	var buildButtonBg = buildButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 300,
		height: 120
	});
	buildButtonBg.tint = 0xFFD700;
	var buildButtonText = new Text2("Buduj", {
		size: 60,
		fill: 0x000000,
		weight: 800
	});
	buildButtonText.anchor.set(0.5, 0.5);
	buildButton.addChild(buildButtonText);
	buildButton.down = function () {
		toggleBuildPanel();
	};
	game.down = function (x, y, obj) {
		var buildButtonBounds = buildButton.getBounds();
		if (buildButtonBounds.contains(x, y)) {
			return;
		}
		var upgradeMenuVisible = game.children.some(function (child) {
			return child instanceof UpgradeMenu;
		});
		if (upgradeMenuVisible) {
			return;
		}
		if (isBuildPanelOpen) {
			var localClickPos = {
				x: x - buildPanelContainer.x,
				y: y - buildPanelContainer.y
			};
			var clickedOnSourceTower = false;
			for (var i = 0; i < sourceTowers.length; i++) {
				var tower = sourceTowers[i];
				var towerBounds = {
					left: tower.x - tower.width / 2,
					right: tower.x + tower.width / 2,
					top: tower.y - tower.height / 2,
					bottom: tower.y + tower.height / 2
				};
				if (localClickPos.x >= towerBounds.left && localClickPos.x <= towerBounds.right && localClickPos.y >= towerBounds.top && localClickPos.y <= towerBounds.bottom) {
					clickedOnSourceTower = true;
					if (gold < getTowerCost(tower.towerType)) {
						var notification = game.addChild(new Notification("Not enough gold!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
						return;
					}
					towerPreview.visible = true;
					isDragging = true;
					towerPreview.towerType = tower.towerType;
					towerPreview.updateAppearance();
					towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
					return;
				}
			}
			if (!clickedOnSourceTower) {
				toggleBuildPanel('close');
			}
		}
	};
	game.move = function (x, y, obj) {
		if (isDragging) {
			towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
		}
	};
	game.up = function (x, y, obj) {
		if (isDragging) {
			isDragging = false;
			if (towerPreview.canPlace) {
				// Usunęliśmy sprawdzanie blokowania, bo już nie jest potrzebne
				placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
			} 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;
			}
			towerPreview.visible = false;
			toggleBuildPanel('close');
		} else {
			var clickedOnTower = false;
			for (var i = 0; i < towers.length; i++) {
				var tower = towers[i];
				var towerBounds = tower.getBounds();
				if (towerBounds.contains(x - tower.x + tower.width / 2, y - tower.y + tower.height / 2)) {
					clickedOnTower = true;
					break;
				}
			}
			var upgradeMenus = game.children.filter(function (child) {
				return child instanceof UpgradeMenu;
			});
			if (upgradeMenus.length > 0 && !clickedOnTower) {
				var clickedOnMenu = false;
				for (var i = 0; i < upgradeMenus.length; i++) {
					var menu = upgradeMenus[i];
					var menuBounds = menu.getBounds();
					if (menuBounds.contains(x - menu.x + menu.width / 2, y - menu.y + menu.height / 2)) {
						clickedOnMenu = true;
						break;
					}
				}
				if (!clickedOnMenu) {
					for (var i = 0; i < upgradeMenus.length; i++) {
						hideUpgradeMenu(upgradeMenus[i]);
					}
					for (var i = game.children.length - 1; i >= 0; i--) {
						if (game.children[i].isTowerRange) {
							game.removeChild(game.children[i]);
						}
					}
					selectedTower = null;
				}
			}
		}
	};
}
game.update = function () {
	if (currentScreenState === 'gameplay') {
		// --- NOWA LOGIKA FAL OPARTA NA levelData ---
		if (currentWave <= totalWaves && enemies.length === 0 && !waveInProgress) {
			waveTimer++;
			if (waveTimer >= nextWaveTime) {
				currentWave++;
				if (currentWave <= totalWaves) {
					waveInProgress = true;
					waveSpawned = false;
					var notification = game.addChild(new Notification("Wave " + currentWave + " incoming!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 150;
				}
			}
		}
		if (waveInProgress && !waveSpawned) {
			waveSpawned = true;
			enemiesKilled = 0; // Resetuj licznik zabitych dla nowej fali
			// Znajdź dane dla aktualnej fali
			var waveData = levelData.waves[currentWave - 1];
			if (waveData) {
				var enemyCount = waveData.count;
				var waveType = waveData.type;
				var isBoss = waveData.isBoss || false;
				enemiesInCurrentWave = enemyCount; // Ustaw liczbę wrogów w fali
				updateUI();
				if (isBoss) {
					var notification = game.addChild(new Notification("⚠️ BOSS WAVE! ⚠️"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 200;
				}
				for (var i = 0; i < enemyCount; i++) {
					// --- POPRAWIONA, BEZPIECZNA LOGIKA SPAWNOWANIA ---
					var enemy = new Enemy(waveType);
					var spawnPoints = grid.spawns;
					var spawnX;
					if (spawnPoints && spawnPoints.length > 0) {
						spawnX = spawnPoints[Math.floor(Math.random() * spawnPoints.length)].x;
					} else {
						console.warn("Brak punktu startowego 'S' w mapie! Używam domyślnego na środku.");
						spawnX = Math.floor(grid.cells.length / 2);
					}
					var spawnY = -1 - i * 2; // Rozmieszczamy ich lekko w pionie, żeby się nie naкладывали
					enemy.currentCellX = spawnX;
					enemy.currentCellY = spawnY;
					enemy.cellX = spawnX; // Ustawiamy od razu, żeby wiedział dokąd iść
					enemy.cellY = 5;
					enemy.waveNumber = currentWave;
					if (isBoss) {
						enemy.isBoss = true;
					} // Upewniamy się, że flaga bossa jest ustawiona
					var healthMultiplier = Math.pow(1.12, currentWave);
					enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
					enemy.health = enemy.maxHealth;
					// Dodawanie do warstw
					if (enemy.isFlying) {
						enemyLayerTop.addChild(enemy);
						if (enemy.shadow) {
							enemyLayerMiddle.addChild(enemy.shadow);
						}
					} else {
						enemyLayerBottom.addChild(enemy);
					}
					enemies.push(enemy);
				}
			} else {
				console.warn("Brak danych dla fali numer: " + currentWave);
				waveInProgress = false;
			}
		}
		if (enemies.length === 0 && waveSpawned) {
			waveInProgress = false;
			waveSpawned = false;
			waveTimer = 0; // Rozpocznij odliczanie do następnej fali
		}
		// --- Reszta logiki (aktualizacja wrogów, wież, pocisków) ---
		for (var a = enemies.length - 1; a >= 0; a--) {
			var enemy = enemies[a];
			if (enemy.health <= 0) {
				enemiesKilled++;
				updateUI();
				var goldEarned = enemy.isBoss ? Math.floor(50 + (enemy.waveNumber - 1) * 5) : Math.floor(1 + (enemy.waveNumber - 1) * 0.5);
				var goldIndicator = new GoldIndicator(goldEarned, enemy.x, enemy.y);
				game.addChild(goldIndicator);
				setGold(gold + goldEarned);
				if (enemy.isBoss) {
					var notification = game.addChild(new Notification("Boss defeated! +" + goldEarned + " gold!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 150;
				}
				for (var i = 0; i < enemy.bulletsTargetingThis.length; i++) {
					enemy.bulletsTargetingThis[i].targetEnemy = null;
				}
				if (enemy.isFlying && enemy.shadow) {
					enemyLayerMiddle.removeChild(enemy.shadow);
					enemy.shadow = null;
				}
				if (enemy.isFlying) {
					enemyLayerTop.removeChild(enemy);
				} else {
					enemyLayerBottom.removeChild(enemy);
				}
				enemies.splice(a, 1);
				continue;
			}
			if (grid.updateEnemy(enemy)) {
				if (enemy.isFlying && enemy.shadow) {
					enemyLayerMiddle.removeChild(enemy.shadow);
					enemy.shadow = null;
				}
				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();
		}
	}
};
showTitleScreen();

===================================================================
--- original.js
+++ change.js
@@ -509,13 +509,13 @@
 		return self.cells[x] && self.cells[x][y];
 	};
 	self.pathFind = function () {
 		var before = new Date().getTime();
-		// Znajdź wszystkie komórki końcowe (goals)
 		self.goals = [];
 		for (var i = 0; i < gridWidth; i++) {
 			for (var j = 0; j < gridHeight; j++) {
-				if (self.cells[i][j].type === 3) {
+				if (self.cells[i][j].type === 4) {
+					// Cel to teraz type 4
 					self.goals.push(self.cells[i][j]);
 				}
 			}
 		}
@@ -523,13 +523,13 @@
 		maxScore = 0;
 		pathId += 1;
 		for (var a = 0; a < toProcess.length; a++) {
 			toProcess[a].pathId = pathId;
-			toProcess[a].score = 0; // Reset score for pathfinding
+			toProcess[a].score = 0;
 		}
 		function processNode(node, targetValue, targetNode) {
-			if (node && node.type != 1) {
-				// Typ 1 to ściana
+			// Ta logika sprawdza, którędy może iść wróg
+			if (node && (node.type === 0 || node.type === 3 || node.type === 4)) {
 				if (node.pathId < pathId || targetValue < node.score) {
 					node.targets = [targetNode];
 				} else if (node.pathId == pathId && targetValue == node.score) {
 					node.targets.push(targetNode);
@@ -550,22 +550,22 @@
 			var nodes = toProcess;
 			toProcess = [];
 			for (var a = 0; a < nodes.length; a++) {
 				var node = nodes[a];
-				var targetScore = node.score + 14142; // Diagonal cost
-				if (node.up && node.left && node.up.type != 1 && node.left.type != 1) {
+				var targetScore = node.score + 14142;
+				if (node.up && node.left && (node.up.type === 0 || node.up.type === 3) && (node.left.type === 0 || node.left.type === 3)) {
 					processNode(node.upLeft, targetScore, node);
 				}
-				if (node.up && node.right && node.up.type != 1 && node.right.type != 1) {
+				if (node.up && node.right && (node.up.type === 0 || node.up.type === 3) && (node.right.type === 0 || node.right.type === 3)) {
 					processNode(node.upRight, targetScore, node);
 				}
-				if (node.down && node.right && node.down.type != 1 && node.right.type != 1) {
+				if (node.down && node.right && (node.down.type === 0 || node.down.type === 3) && (node.right.type === 0 || node.right.type === 3)) {
 					processNode(node.downRight, targetScore, node);
 				}
-				if (node.down && node.left && node.down.type != 1 && node.left.type != 1) {
+				if (node.down && node.left && (node.down.type === 0 || node.down.type === 3) && (node.left.type === 0 || node.left.type === 3)) {
 					processNode(node.downLeft, targetScore, node);
 				}
-				targetScore = node.score + 10000; // Straight cost
+				targetScore = node.score + 10000;
 				processNode(node.up, targetScore, node);
 				processNode(node.right, targetScore, node);
 				processNode(node.down, targetScore, node);
 				processNode(node.left, targetScore, node);
@@ -573,9 +573,10 @@
 		}
 		self.spawns = [];
 		for (var i = 0; i < gridWidth; i++) {
 			for (var j = 0; j < gridHeight; j++) {
-				if (self.cells[i][j].type === 2) {
+				if (self.cells[i][j].type === 3) {
+					// ZMIANA: Szukamy spawnu type 3
 					self.spawns.push(self.cells[i][j]);
 				}
 			}
 		}
@@ -610,19 +611,20 @@
 		// bo nie używamy już starego debugowania siatki
 	};
 	self.updateEnemy = function (enemy) {
 		var cell = grid.getCell(enemy.cellX, enemy.cellY);
-		if (cell && cell.type == 3) {
-			return true;
+		if (cell && cell.type == 4) {
+			// ZMIANA: Sprawdzamy, czy wróg dotarł do celu (type 4)
+			return true; // Zwracamy 'true', żeby gra wiedziała, że wróg skończył trasę
 		}
 		if (enemy.isFlying && enemy.shadow) {
 			enemy.shadow.x = enemy.x + 20;
 			enemy.shadow.y = enemy.y + 20;
 			if (enemy.children[0] && enemy.shadow.children[0]) {
 				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
 			}
 		}
-		// Prosta logika startu wroga - idzie prosto w dół do pierwszej komórki ścieżki
+		// Logika startu wroga - idzie prosto w dół do pierwszej komórki ścieżki
 		if (enemy.currentCellY < 5) {
 			enemy.currentCellY += enemy.speed;
 			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
 			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
@@ -1242,15 +1244,15 @@
 	};
 	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;
+		self.x = grid.x + (gridX + 1) * CELL_SIZE;
+		self.y = grid.y + (gridY + 1) * CELL_SIZE;
 		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;
+					cell.type = 5; // ZMIANA: Ustawiamy pole jako 'zajęte'
 				}
 			}
 		}
 		self.refreshCellsInRange();
@@ -1318,15 +1320,18 @@
 		}
 	};
 	self.updatePlacementStatus = function () {
 		var validGridPlacement = true;
+		// Sprawdzamy, czy nie budujemy poza wyznaczonymi granicami
 		if (self.gridY <= 4 || self.gridY + 1 >= grid.cells[0].length - 4) {
 			validGridPlacement = false;
 		} else {
+			// Sprawdzamy, czy wszystkie 4 komórki są miejscem na budowę (type 1)
 			for (var i = 0; i < 2; i++) {
 				for (var j = 0; j < 2; j++) {
 					var cell = grid.getCell(self.gridX + i, self.gridY + j);
-					if (!cell || cell.type !== 0) {
+					if (!cell || cell.type !== 1) {
+						// ZMIANA: szukamy '1' zamiast '0'
 						validGridPlacement = false;
 						break;
 					}
 				}
@@ -1334,8 +1339,9 @@
 					break;
 				}
 			}
 		}
+		// Logika sprawdzania wrogów pozostaje bez zmian
 		self.blockedByEnemy = false;
 		if (validGridPlacement) {
 			for (var i = 0; i < enemies.length; i++) {
 				var enemy = enemies[i];
@@ -1552,9 +1558,9 @@
 		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;
+					cell.type = 1; // ZMIANA: Pole wraca do bycia 'miejscem na budowę'
 					var towerIndex = cell.towersInRange.indexOf(self.tower);
 					if (towerIndex !== -1) {
 						cell.towersInRange.splice(towerIndex, 1);
 					}
@@ -1626,8 +1632,12 @@
 /**** * Game Code
 ****/ 
 var CELL_SIZE = 76;
 // --- GŁÓWNE ZMIENNE STANU GRY ---
+var isBuildPhase = false;
+var buildPhaseTimer = 0; // Timer do odliczania
+var startGameButton; // Przycisk "Start building"
+var timerText;
 var pathId;
 var maxScore;
 var enemies;
 var towers;
@@ -1636,8 +1646,9 @@
 var gold;
 var lives;
 var enemiesKilled;
 var enemiesInCurrentWave;
+var levelData;
 var currentWave;
 var totalWaves;
 var waveTimer;
 var waveInProgress;
@@ -1740,12 +1751,16 @@
 		case 'poison':
 			cost = 55;
 			break;
 	}
+	if (!isBuildPhase && currentWave > 0) {
+		// Jeśli trwa faza walki
+		cost = Math.floor(cost * 1.5);
+	}
 	return cost;
 }
 function getTowerSellValue(totalValue) {
-	return waveIndicator && waveIndicator.gameStarted ? Math.floor(totalValue * 0.6) : totalValue;
+	return Math.floor(totalValue * 0.6);
 }
 // --- FUNKCJE EKRANÓW ---
 function showTitleScreen() {
 	if (titleScreenContainer) {
@@ -1862,68 +1877,8 @@
 		}
 		showTitleScreen();
 	};
 }
-var level1Data = {
-	levelName: "Mroczny Las (Test)",
-	initialGold: 100,
-	initialLives: 20,
-	mapLayout: ["11111111111S111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "111111111110111111111111", "11111111111E111111111111"],
-	// --- NOWE, PRAWDZIWE DEFINICJE FAL ---
-	waves: [{
-		wave: 1,
-		type: 'normal',
-		count: 10
-	}, {
-		wave: 2,
-		type: 'normal',
-		count: 15
-	}, {
-		wave: 3,
-		type: 'fast',
-		count: 10
-	}, {
-		wave: 4,
-		type: 'normal',
-		count: 20
-	}, {
-		wave: 5,
-		type: 'swarm',
-		count: 30
-	},
-	// Boss na fali 10
-	{
-		wave: 6,
-		type: 'normal',
-		count: 10
-	}, {
-		wave: 7,
-		type: 'fast',
-		count: 15
-	}, {
-		wave: 8,
-		type: 'immune',
-		count: 10
-	}, {
-		wave: 9,
-		type: 'flying',
-		count: 10
-	}, {
-		wave: 10,
-		type: 'normal',
-		isBoss: true,
-		count: 1
-	}],
-	specialTiles: [{
-		type: 'amplify',
-		x: 10,
-		y: 8
-	}, {
-		type: 'synergy',
-		x: 12,
-		y: 8
-	}]
-};
 function toggleBuildPanel(forceState) {
 	var targetY;
 	var shouldBeOpen;
 	if (forceState === 'open') {
@@ -1961,10 +1916,58 @@
 	currentScreenState = 'gameplay';
 	if (LK.gui.top) {
 		LK.gui.top.visible = true;
 	}
-	// --- WCZYTANIE DANYCH POZIOMU ---
-	var levelData = level1Data;
+	// --- WCZYTANIE DANYCH POZIOMU DO ZMIENNEJ GLOBALNEJ ---
+	levelData = {
+		levelName: "Poziom 1: Królewska Droga",
+		initialGold: 100,
+		initialLives: 20,
+		mapLayout: ["22222222110S011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "222222221100011222222222", "22222222110E011222222222"],
+		waves: [{
+			wave: 1,
+			type: 'normal',
+			count: 10
+		}, {
+			wave: 2,
+			type: 'normal',
+			count: 15
+		}, {
+			wave: 3,
+			type: 'fast',
+			count: 10
+		}, {
+			wave: 4,
+			type: 'normal',
+			count: 20
+		}, {
+			wave: 5,
+			type: 'swarm',
+			count: 30
+		}, {
+			wave: 6,
+			type: 'normal',
+			count: 10
+		}, {
+			wave: 7,
+			type: 'fast',
+			count: 15
+		}, {
+			wave: 8,
+			type: 'immune',
+			count: 10
+		}, {
+			wave: 9,
+			type: 'flying',
+			count: 10
+		}, {
+			wave: 10,
+			type: 'normal',
+			isBoss: true,
+			count: 1
+		}],
+		specialTiles: []
+	};
 	pathId = 1;
 	maxScore = 0;
 	enemies = [];
 	towers = [];
@@ -1972,19 +1975,17 @@
 	selectedTower = null;
 	gold = levelData.initialGold;
 	lives = levelData.initialLives;
 	enemiesKilled = 0;
-	enemiesInCurrentWave = 0; // Nowa zmienna
-	// Ustawienia fal na podstawie levelData
+	enemiesInCurrentWave = 0;
 	currentWave = 1;
 	totalWaves = levelData.waves.length;
 	waveInProgress = true;
 	waveSpawned = false;
 	waveTimer = 0;
 	nextWaveTime = 1200;
 	sourceTowers = [];
 	isBuildPanelOpen = false;
-	// --- TWORZENIE NOWEGO UI ---
 	wavesText = new Text2('Wave: 0/' + totalWaves, {
 		size: 60,
 		fill: 0x00FFFF,
 		weight: 800
@@ -1993,10 +1994,8 @@
 	LK.gui.top.addChild(wavesText);
 	wavesText.x = spacing;
 	wavesText.y = topMargin + 80;
 	updateUI();
-	// ... reszta funkcji startGame pozostaje taka sama jak w ostatniej wersji ...
-	// (Poniższy kod jest identyczny, ale wklejam dla pewności całość)
 	debugLayer = new Container();
 	specialTilesLayer = new Container();
 	towerLayer = new Container();
 	enemyLayerBottom = new Container();
@@ -2014,15 +2013,17 @@
 			var tileChar = levelData.mapLayout[y][x];
 			var cell = grid.getCell(x, y + 5);
 			if (cell) {
 				if (tileChar === '0') {
-					cell.type = 0;
+					cell.type = 0; // Ścieżka
+				} else if (tileChar === '1') {
+					cell.type = 1; // Miejsce na budowę
 				} else if (tileChar === 'S') {
-					cell.type = 2;
+					cell.type = 3; // Spawn
 				} else if (tileChar === 'E') {
-					cell.type = 3;
+					cell.type = 4; // Cel
 				} else {
-					cell.type = 1;
+					cell.type = 2; // Domyślnie traktuj resztę jako przeszkodę
 				}
 			}
 		}
 	}
@@ -2052,29 +2053,46 @@
 	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();
-		return blocked;
-	}
+	// --- Logika Startu Gry i Fazy Budowy ---
+	startGameButton = new Container();
+	var startBuildingBg = startGameButton.attachAsset('notification', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		width: 600,
+		height: 150,
+		tint: 0xFFD700
+	});
+	var startBuildingText = new Text2("Start building", {
+		size: 70,
+		fill: 0x000000,
+		weight: 'bold'
+	});
+	startBuildingText.anchor.set(0.5, 0.5);
+	startGameButton.addChild(startBuildingText);
+	startGameButton.x = 2048 / 2;
+	startGameButton.y = 2732 / 2;
+	game.addChild(startGameButton);
+	// Tekst timera, na początku niewidoczny
+	timerText = new Text2("", {
+		size: 100,
+		fill: 0xFFFFFF,
+		weight: 800,
+		stroke: 0x000000,
+		strokeThickness: 6
+	});
+	timerText.anchor.set(0.5, 0.5);
+	timerText.x = 2048 / 2;
+	timerText.y = 2732 / 2;
+	timerText.visible = false;
+	game.addChild(timerText);
+	startGameButton.down = function () {
+		isBuildPhase = true;
+		buildPhaseTimer = 60 * 10; // 10 sekund przy 60 FPS
+		timerText.visible = true;
+		startGameButton.destroy(); // Niszczymy przycisk po użyciu
+	};
 	function placeTower(gridX, gridY, towerType) {
 		var towerCost = getTowerCost(towerType);
 		if (gold >= towerCost) {
 			var tower = new Tower(towerType || 'default');
@@ -2135,183 +2153,203 @@
 	buildButton.down = function () {
 		toggleBuildPanel();
 	};
 	game.down = function (x, y, obj) {
+		var buildButtonBounds = buildButton.getBounds();
+		if (buildButtonBounds.contains(x, y)) {
+			return;
+		}
 		var upgradeMenuVisible = game.children.some(function (child) {
 			return child instanceof UpgradeMenu;
 		});
-		if (upgradeMenuVisible) return;
+		if (upgradeMenuVisible) {
+			return;
+		}
 		if (isBuildPanelOpen) {
+			var localClickPos = {
+				x: x - buildPanelContainer.x,
+				y: y - buildPanelContainer.y
+			};
+			var clickedOnSourceTower = false;
 			for (var i = 0; i < sourceTowers.length; i++) {
 				var tower = sourceTowers[i];
-				var localClickPos = buildPanelContainer.toLocal({
-					x: x,
-					y: y
-				});
-				if (tower.getBounds().contains(localClickPos.x, localClickPos.y)) {
+				var towerBounds = {
+					left: tower.x - tower.width / 2,
+					right: tower.x + tower.width / 2,
+					top: tower.y - tower.height / 2,
+					bottom: tower.y + tower.height / 2
+				};
+				if (localClickPos.x >= towerBounds.left && localClickPos.x <= towerBounds.right && localClickPos.y >= towerBounds.top && localClickPos.y <= towerBounds.bottom) {
+					clickedOnSourceTower = true;
+					if (gold < getTowerCost(tower.towerType)) {
+						var notification = game.addChild(new Notification("Not enough gold!"));
+						notification.x = 2048 / 2;
+						notification.y = grid.height - 50;
+						return;
+					}
 					towerPreview.visible = true;
 					isDragging = true;
 					towerPreview.towerType = tower.towerType;
 					towerPreview.updateAppearance();
 					towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
-					toggleBuildPanel('close');
 					return;
 				}
 			}
+			if (!clickedOnSourceTower) {
+				toggleBuildPanel('close');
+			}
 		}
-		var buildButtonBounds = buildButton.getBounds();
-		if (isBuildPanelOpen && !buildButtonBounds.contains(x, y)) {
-			toggleBuildPanel('close');
-		}
 	};
 	game.move = function (x, y, obj) {
-		if (isDragging) towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
+		if (isDragging) {
+			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 towerBounds = tower.getBounds();
-			if (towerBounds.contains(x - tower.x + tower.width / 2, y - tower.y + tower.height / 2)) {
-				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 menuBounds = menu.getBounds();
-				if (menuBounds.contains(x - menu.x + menu.width / 2, y - menu.y + menu.height / 2)) {
-					clickedOnMenu = true;
-					break;
-				}
-			}
-			if (!clickedOnMenu) {
-				for (var i = 0; i < upgradeMenus.length; i++) hideUpgradeMenu(upgradeMenus[i]);
-				for (var i = game.children.length - 1; i >= 0; i--) if (game.children[i].isTowerRange) game.removeChild(game.children[i]);
-				selectedTower = null;
-			}
-		}
 		if (isDragging) {
 			isDragging = false;
 			if (towerPreview.canPlace) {
-				if (!wouldBlockPath(towerPreview.gridX, towerPreview.gridY)) {
-					placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
-				} else {
-					var notification = game.addChild(new Notification("Tower would block the path!"));
-					notification.x = 2048 / 2;
-					notification.y = grid.height - 50;
-				}
+				// Usunęliśmy sprawdzanie blokowania, bo już nie jest potrzebne
+				placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
 			} 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;
+			toggleBuildPanel('close');
+		} else {
+			var clickedOnTower = false;
+			for (var i = 0; i < towers.length; i++) {
+				var tower = towers[i];
+				var towerBounds = tower.getBounds();
+				if (towerBounds.contains(x - tower.x + tower.width / 2, y - tower.y + tower.height / 2)) {
+					clickedOnTower = true;
+					break;
+				}
+			}
+			var upgradeMenus = game.children.filter(function (child) {
+				return child instanceof UpgradeMenu;
+			});
+			if (upgradeMenus.length > 0 && !clickedOnTower) {
+				var clickedOnMenu = false;
+				for (var i = 0; i < upgradeMenus.length; i++) {
+					var menu = upgradeMenus[i];
+					var menuBounds = menu.getBounds();
+					if (menuBounds.contains(x - menu.x + menu.width / 2, y - menu.y + menu.height / 2)) {
+						clickedOnMenu = true;
+						break;
+					}
+				}
+				if (!clickedOnMenu) {
+					for (var i = 0; i < upgradeMenus.length; i++) {
+						hideUpgradeMenu(upgradeMenus[i]);
+					}
+					for (var i = game.children.length - 1; i >= 0; i--) {
+						if (game.children[i].isTowerRange) {
+							game.removeChild(game.children[i]);
+						}
+					}
+					selectedTower = null;
+				}
+			}
 		}
 	};
 }
 game.update = function () {
 	if (currentScreenState === 'gameplay') {
-		// --- NOWA, UPROSZCZONA LOGIKA FAL ---
-		if (currentWave < totalWaves) {
+		// --- NOWA LOGIKA FAL OPARTA NA levelData ---
+		if (currentWave <= totalWaves && enemies.length === 0 && !waveInProgress) {
 			waveTimer++;
-			if (waveTimer >= nextWaveTime && !waveInProgress) {
-				waveTimer = 0;
+			if (waveTimer >= nextWaveTime) {
 				currentWave++;
-				waveInProgress = true;
-				waveSpawned = false; // Resetujemy flagę, aby nowa fala mogła się zespawnować
-				updateUI(); // Aktualizujemy UI od razu po zmianie fali
-				var notification = game.addChild(new Notification("Wave " + currentWave + " incoming!"));
-				notification.x = 2048 / 2;
-				notification.y = grid.height - 150;
+				if (currentWave <= totalWaves) {
+					waveInProgress = true;
+					waveSpawned = false;
+					var notification = game.addChild(new Notification("Wave " + currentWave + " incoming!"));
+					notification.x = 2048 / 2;
+					notification.y = grid.height - 150;
+				}
 			}
 		}
-		if (waveInProgress) {
-			if (!waveSpawned) {
-				waveSpawned = true;
-				// Na razie prosta fala, 10 normalnych wrogów
-				var enemyCount = 10;
-				var waveType = 'normal';
-				var isBossWave = currentWave % 10 === 0 && currentWave > 0;
-				if (isBossWave && waveType !== 'swarm') {
-					enemyCount = 1;
+		if (waveInProgress && !waveSpawned) {
+			waveSpawned = true;
+			enemiesKilled = 0; // Resetuj licznik zabitych dla nowej fali
+			// Znajdź dane dla aktualnej fali
+			var waveData = levelData.waves[currentWave - 1];
+			if (waveData) {
+				var enemyCount = waveData.count;
+				var waveType = waveData.type;
+				var isBoss = waveData.isBoss || false;
+				enemiesInCurrentWave = enemyCount; // Ustaw liczbę wrogów w fali
+				updateUI();
+				if (isBoss) {
 					var notification = game.addChild(new Notification("⚠️ BOSS WAVE! ⚠️"));
 					notification.x = 2048 / 2;
 					notification.y = grid.height - 200;
 				}
 				for (var i = 0; i < enemyCount; i++) {
+					// --- POPRAWIONA, BEZPIECZNA LOGIKA SPAWNOWANIA ---
 					var enemy = new Enemy(waveType);
-					if (enemy.isFlying) {
-						enemyLayerTop.addChild(enemy);
-						if (enemy.shadow) {
-							enemyLayerMiddle.addChild(enemy.shadow);
-						}
-					} else {
-						enemyLayerBottom.addChild(enemy);
-					}
-					var healthMultiplier = Math.pow(1.12, currentWave);
-					enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
-					enemy.health = enemy.maxHealth;
-					// Logika spawnowania
 					var spawnPoints = grid.spawns;
 					var spawnX;
-					if (spawnPoints.length > 0) {
+					if (spawnPoints && spawnPoints.length > 0) {
 						spawnX = spawnPoints[Math.floor(Math.random() * spawnPoints.length)].x;
 					} else {
-						// Fallback, jeśli nie zdefiniowano 'S' w mapie
+						console.warn("Brak punktu startowego 'S' w mapie! Używam domyślnego na środku.");
 						spawnX = Math.floor(grid.cells.length / 2);
 					}
-					var spawnY = -1 - Math.random() * 5;
-					enemy.cellX = spawnX;
-					enemy.cellY = 5; // Startowa pozycja na siatce
+					var spawnY = -1 - i * 2; // Rozmieszczamy ich lekko w pionie, żeby się nie naкладывали
 					enemy.currentCellX = spawnX;
-					enemy.currentCellY = spawnY; // Pozycja "w powietrzu" nad planszą
+					enemy.currentCellY = spawnY;
+					enemy.cellX = spawnX; // Ustawiamy od razu, żeby wiedział dokąd iść
+					enemy.cellY = 5;
 					enemy.waveNumber = currentWave;
+					if (isBoss) {
+						enemy.isBoss = true;
+					} // Upewniamy się, że flaga bossa jest ustawiona
+					var healthMultiplier = Math.pow(1.12, currentWave);
+					enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
+					enemy.health = enemy.maxHealth;
+					// Dodawanie do warstw
+					if (enemy.isFlying) {
+						enemyLayerTop.addChild(enemy);
+						if (enemy.shadow) {
+							enemyLayerMiddle.addChild(enemy.shadow);
+						}
+					} else {
+						enemyLayerBottom.addChild(enemy);
+					}
 					enemies.push(enemy);
 				}
-			}
-			// Sprawdzenie, czy fala się zakończyła
-			var currentWaveEnemiesRemaining = false;
-			for (var i = 0; i < enemies.length; i++) {
-				if (enemies[i].waveNumber === currentWave) {
-					currentWaveEnemiesRemaining = true;
-					break;
-				}
-			}
-			if (waveSpawned && !currentWaveEnemiesRemaining) {
+			} else {
+				console.warn("Brak danych dla fali numer: " + currentWave);
 				waveInProgress = false;
-				waveSpawned = false;
-				// Tutaj możemy dodać bonusowe złoto za przetrwanie fali
 			}
 		}
+		if (enemies.length === 0 && waveSpawned) {
+			waveInProgress = false;
+			waveSpawned = false;
+			waveTimer = 0; // Rozpocznij odliczanie do następnej fali
+		}
 		// --- Reszta logiki (aktualizacja wrogów, wież, pocisków) ---
 		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;
-				}
+				enemiesKilled++;
+				updateUI();
 				var goldEarned = enemy.isBoss ? Math.floor(50 + (enemy.waveNumber - 1) * 5) : Math.floor(1 + (enemy.waveNumber - 1) * 0.5);
 				var goldIndicator = new GoldIndicator(goldEarned, enemy.x, enemy.y);
 				game.addChild(goldIndicator);
 				setGold(gold + goldEarned);
-				enemiesKilled++;
 				if (enemy.isBoss) {
 					var notification = game.addChild(new Notification("Boss defeated! +" + goldEarned + " gold!"));
 					notification.x = 2048 / 2;
 					notification.y = grid.height - 150;
 				}
-				updateUI();
+				for (var i = 0; i < enemy.bulletsTargetingThis.length; i++) {
+					enemy.bulletsTargetingThis[i].targetEnemy = null;
+				}
 				if (enemy.isFlying && enemy.shadow) {
 					enemyLayerMiddle.removeChild(enemy.shadow);
 					enemy.shadow = null;
 				}