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

/**** 
* Game Code
****/ 
// === SECTION: GLOBAL NAMESPACE ===
// === SECTION: ASSETS ===
var Game = {};
// Camera state
var cameraX = 0;
var cameraY = 0;
var isDragging = false;
var dragStartX = 0;
var dragStartY = 0;
var cameraStartX = 0;
var cameraStartY = 0;
var lastMouseX = 0;
var lastMouseY = 0;
var mouseDownTime = 0;
// === SECTION: GLOBAL MANAGERS ===
Game.ResourceManager = {
	gold: 500,
	lives: 20,
	powerProduction: 0,
	powerConsumption: 0,
	powerAvailable: 0,
	addGold: function addGold(amount) {
		this.gold += amount;
	},
	spendGold: function spendGold(amount) {
		if (this.gold >= amount) {
			this.gold -= amount;
			return true;
		}
		;
		return false;
	},
	loseLife: function loseLife(amount) {
		this.lives -= amount;
		if (this.lives <= 0) {
			Game.EventBus.publish(Game.Events.GameOverEvent());
		}
	},
	updatePower: function updatePower() {
		// 1. Calculate total power production
		var totalProduction = 0;
		var productionEntities = Game.EntityManager.getEntitiesWithComponents(['PowerProductionComponent']);
		for (var i = 0; i < productionEntities.length; i++) {
			var entityId = productionEntities[i];
			var powerComp = Game.EntityManager.componentStores['PowerProductionComponent'][entityId];
			totalProduction += powerComp.production_rate;
		}
		this.powerProduction = totalProduction;
		// 2. Calculate total power consumption
		var totalConsumption = 0;
		var consumptionEntities = Game.EntityManager.getEntitiesWithComponents(['PowerConsumptionComponent']);
		for (var i = 0; i < consumptionEntities.length; i++) {
			var entityId = consumptionEntities[i];
			var powerComp = Game.EntityManager.componentStores['PowerConsumptionComponent'][entityId];
			totalConsumption += powerComp.drain_rate;
		}
		this.powerConsumption = totalConsumption;
		// 3. Calculate total storage capacity
		var totalCapacity = 0;
		var storageEntities = Game.EntityManager.getEntitiesWithComponents(['PowerStorageComponent']);
		for (var i = 0; i < storageEntities.length; i++) {
			var entityId = storageEntities[i];
			var storageComp = Game.EntityManager.componentStores['PowerStorageComponent'][entityId];
			totalCapacity += storageComp.capacity;
		}
		// 4. Evaluate power status and update available buffer
		var surplus = totalProduction - totalConsumption;
		if (surplus >= 0) {
			// We have enough or extra power
			this.powerAvailable += surplus;
			// Clamp the available power to the max capacity
			if (this.powerAvailable > totalCapacity) {
				this.powerAvailable = totalCapacity;
			}
			Game.EventBus.publish(Game.Events.PowerStatusChangedEvent('surplus'));
		} else {
			// We have a deficit, drain from the buffer
			this.powerAvailable += surplus; // surplus is negative, so this subtracts
			if (this.powerAvailable < 0) {
				// Buffer is empty and we still have a deficit
				this.powerAvailable = 0;
				Game.EventBus.publish(Game.Events.PowerStatusChangedEvent('deficit'));
			} else {
				// Deficit was covered by the buffer
				Game.EventBus.publish(Game.Events.PowerStatusChangedEvent('surplus'));
			}
		}
	},
	onEnemyKilled: function onEnemyKilled(event) {
		this.addGold(event.gold_value);
	},
	onWaveCompleted: function onWaveCompleted(event) {
		this.addGold(50);
	},
	init: function init() {
		Game.EventBus.subscribe('EnemyKilled', this.onEnemyKilled.bind(this));
		Game.EventBus.subscribe('WaveCompleted', this.onWaveCompleted.bind(this));
	}
};
Game.GridManager = {
	grid: [],
	CELL_STATES: {
		EMPTY: 0,
		PATH: 1,
		BLOCKED: 2,
		TOWER: 3
	},
	init: function init(width, height) {
		this.grid = [];
		for (var x = 0; x < width; x++) {
			this.grid[x] = [];
			for (var y = 0; y < height; y++) {
				// Each cell is now an object storing state and entity ID
				this.grid[x][y] = {
					state: this.CELL_STATES.EMPTY,
					entityId: null
				};
			}
		}
	},
	isBuildable3x3: function isBuildable3x3(centerX, centerY) {
		// Checks a 3x3 area centered on the given coordinates
		for (var dx = -1; dx <= 1; dx++) {
			for (var dy = -1; dy <= 1; dy++) {
				var x = centerX + dx;
				var y = centerY + dy;
				if (x < 0 || x >= this.grid.length || y < 0 || y >= this.grid[0].length) {
					return false; // Out of bounds
				}
				if (this.grid[x][y].state !== this.CELL_STATES.EMPTY) {
					return false; // Cell is not empty
				}
			}
		}
		return true;
	},
	isBuildable: function isBuildable(x, y) {
		if (x >= 0 && x < this.grid.length && y >= 0 && y < this.grid[x].length) {
			return this.grid[x][y].state === this.CELL_STATES.EMPTY;
		}
		return false;
	}
};
Game.PathManager = {
	distanceField: [],
	flowField: [],
	init: function init(width, height) {
		this.distanceField = Array(width).fill(null).map(function () {
			return Array(height).fill(Infinity);
		});
		this.flowField = Array(width).fill(null).map(function () {
			return Array(height).fill({
				x: 0,
				y: 0
			});
		});
		Game.EventBus.subscribe('TowerPlaced', this.generateFlowField.bind(this));
		Game.EventBus.subscribe('TowerSold', this.generateFlowField.bind(this));
		// Generate the initial field when the game starts
		this.generateFlowField();
	},
	generateFlowField: function generateFlowField() {
		console.log("Generating new flow field...");
		var grid = Game.GridManager.grid;
		var width = grid.length;
		var height = grid[0].length;
		// 1. Reset fields
		this.distanceField = Array(width).fill(null).map(function () {
			return Array(height).fill(Infinity);
		});
		// 2. Integration Pass (BFS)
		var goal = {
			x: 39,
			y: 30
		};
		var queue = [goal];
		this.distanceField[goal.x][goal.y] = 0;
		var head = 0;
		while (head < queue.length) {
			var current = queue[head++];
			var neighbors = [{
				x: -1,
				y: 0
			}, {
				x: 1,
				y: 0
			}, {
				x: 0,
				y: -1
			}, {
				x: 0,
				y: 1
			}]; // Orthogonal neighbors
			for (var i = 0; i < neighbors.length; i++) {
				var n = neighbors[i];
				var nx = current.x + n.x;
				var ny = current.y + n.y;
				// Check bounds and if traversable (checks the .state property)
				if (nx >= 0 && nx < width && ny >= 0 && ny < height && grid[nx][ny].state !== Game.GridManager.CELL_STATES.TOWER && this.distanceField[nx][ny] === Infinity) {
					this.distanceField[nx][ny] = this.distanceField[current.x][current.y] + 1;
					queue.push({
						x: nx,
						y: ny
					});
				}
			}
		}
		// 3. Flow Pass
		for (var x = 0; x < width; x++) {
			for (var y = 0; y < height; y++) {
				if (this.distanceField[x][y] === Infinity) {
					continue;
				}
				var bestDist = Infinity;
				var bestVector = {
					x: 0,
					y: 0
				};
				var allNeighbors = [{
					x: -1,
					y: 0
				}, {
					x: 1,
					y: 0
				}, {
					x: 0,
					y: -1
				}, {
					x: 0,
					y: 1
				}, {
					x: -1,
					y: -1
				}, {
					x: 1,
					y: -1
				}, {
					x: -1,
					y: 1
				}, {
					x: 1,
					y: 1
				}]; // Include diagonals for flow
				for (var i = 0; i < allNeighbors.length; i++) {
					var n = allNeighbors[i];
					var nx = x + n.x;
					var ny = y + n.y;
					if (nx >= 0 && nx < width && ny >= 0 && ny < height) {
						if (this.distanceField[nx][ny] < bestDist) {
							bestDist = this.distanceField[nx][ny];
							bestVector = n;
						}
					}
				}
				this.flowField[x][y] = bestVector;
			}
		}
		// 4. Announce that the field has been updated
		// (We will add the event publication in a later step)
	},
	getVectorAt: function getVectorAt(worldX, worldY) {
		var gridX = Math.floor(worldX / 64);
		var gridY = Math.floor(worldY / 64);
		if (this.flowField[gridX] && this.flowField[gridX][gridY]) {
			return this.flowField[gridX][gridY];
		}
		return {
			x: 0,
			y: 0
		}; // Default case
	}
};
Game.GameplayManager = {
	selectedTowerId: -1,
	activeBuildType: null,
	// The tower type selected from the build panel (e.g., 'ArrowTower')
	isConfirmingPlacement: false,
	// True when the confirm/cancel dialog is shown
	confirmPlacementCoords: {
		x: null,
		y: null
	},
	// Stores the grid coords for confirmation
	lastClickedButton: null,
	// Stores a reference to the UI button that was clicked
	enemiesSpawnedThisWave: 0,
	enemiesKilledThisWave: 0,
	enemiesLeakedThisWave: 0,
	totalEnemiesThisWave: 0,
	init: function init() {
		Game.EventBus.subscribe('EnemyKilled', this.onEnemyKilled.bind(this));
		Game.EventBus.subscribe('EnemyReachedEnd', this.onEnemyReachedEnd.bind(this));
	},
	onEnemyKilled: function onEnemyKilled(event) {
		this.enemiesKilledThisWave++;
		if (this.enemiesKilledThisWave + this.enemiesLeakedThisWave >= this.totalEnemiesThisWave) {
			Game.EventBus.publish(Game.Events.WaveCompletedEvent(Game.Systems.WaveSpawnerSystem.currentWaveIndex + 1));
			this.enemiesKilledThisWave = 0;
			this.enemiesLeakedThisWave = 0;
			startWaveButton.visible = true;
		}
	},
	onEnemyReachedEnd: function onEnemyReachedEnd(event) {
		this.enemiesLeakedThisWave++;
		Game.ResourceManager.loseLife(1);
		Game.EntityManager.destroyEntity(event.enemy_id);
		if (this.enemiesKilledThisWave + this.enemiesLeakedThisWave >= this.totalEnemiesThisWave) {
			Game.EventBus.publish(Game.Events.WaveCompletedEvent(Game.Systems.WaveSpawnerSystem.currentWaveIndex + 1));
			this.enemiesKilledThisWave = 0;
			this.enemiesLeakedThisWave = 0;
			startWaveButton.visible = true;
		}
	}
};
Game.GameManager = {
	isGameOver: false,
	init: function init() {
		Game.EventBus.subscribe('GameOver', this.onGameOver.bind(this));
	},
	onGameOver: function onGameOver(event) {
		this.isGameOver = true;
		LK.showGameOver();
	}
};
Game.Debug = {
	logText: null,
	init: function init() {
		this.logText = new Text2('Debug Log Initialized', {
			size: 40,
			fill: 0x00FF00
		}); // Green text
		this.logText.anchor.set(0, 1); // Anchor to bottom-left
		LK.gui.bottomLeft.addChild(this.logText);
		this.logText.x = 20;
		this.logText.y = -20;
	},
	log: function log(message) {
		if (this.logText) {
			this.logText.setText(String(message));
		}
	}
};
// === SECTION: ENTITY-COMPONENT-SYSTEM SCAFFOLDING ===
Game.EntityManager = {
	nextEntityId: 1,
	activeEntities: [],
	componentStores: {},
	entitiesToDestroy: [],
	createEntity: function createEntity() {
		var entityId = this.nextEntityId++;
		this.activeEntities.push(entityId);
		return entityId;
	},
	addComponent: function addComponent(entityId, component) {
		if (!this.componentStores[component.name]) {
			this.componentStores[component.name] = {};
		}
		this.componentStores[component.name][entityId] = component;
	},
	getEntitiesWithComponents: function getEntitiesWithComponents(componentNames) {
		var result = [];
		for (var i = 0; i < this.activeEntities.length; i++) {
			var entityId = this.activeEntities[i];
			var hasAllComponents = true;
			for (var j = 0; j < componentNames.length; j++) {
				var componentName = componentNames[j];
				if (!this.componentStores[componentName] || !this.componentStores[componentName][entityId]) {
					hasAllComponents = false;
					break;
				}
			}
			if (hasAllComponents) {
				result.push(entityId);
			}
		}
		return result;
	},
	destroyEntity: function destroyEntity(entityId) {
		// Avoid adding duplicates
		if (this.entitiesToDestroy.indexOf(entityId) === -1) {
			this.entitiesToDestroy.push(entityId);
		}
	}
};
Game.Components = {
	TransformComponent: function TransformComponent(x, y, rotation) {
		return {
			name: 'TransformComponent',
			x: x || 0,
			y: y || 0,
			rotation: rotation || 0
		};
	},
	RenderComponent: function RenderComponent(sprite_id, layer, scale, is_visible) {
		return {
			name: 'RenderComponent',
			sprite_id: sprite_id || '',
			layer: layer || 0,
			scale: scale || 1.0,
			is_visible: is_visible !== undefined ? is_visible : true
		};
	},
	HealthComponent: function HealthComponent(current_hp, max_hp) {
		return {
			name: 'HealthComponent',
			current_hp: current_hp || 100,
			max_hp: max_hp || 100
		};
	},
	AttackComponent: function AttackComponent(damage, range, attack_speed, last_attack_time, projectile_id, target_id, splash_radius) {
		return {
			name: 'AttackComponent',
			damage: damage || 10,
			range: range || 100,
			attack_speed: attack_speed || 1.0,
			last_attack_time: last_attack_time || 0,
			projectile_id: projectile_id || '',
			target_id: target_id || -1,
			splash_radius: splash_radius || 0 // Default to 0 (no splash)
		};
	},
	MovementComponent: function MovementComponent(speed) {
		return {
			name: 'MovementComponent',
			speed: speed || 50
		};
	},
	PowerProductionComponent: function PowerProductionComponent(rate) {
		return {
			name: 'PowerProductionComponent',
			production_rate: rate || 0
		};
	},
	PowerConsumptionComponent: function PowerConsumptionComponent(rate) {
		return {
			name: 'PowerConsumptionComponent',
			drain_rate: rate || 0
		};
	},
	TowerComponent: function TowerComponent(cost, sellValue, builtOnWave) {
		return {
			name: 'TowerComponent',
			cost: cost || 50,
			sell_value: sellValue || 25,
			upgrade_level: 1,
			upgrade_path_A_level: 0,
			upgrade_path_B_level: 0,
			built_on_wave: builtOnWave || 0
		};
	},
	ProjectileComponent: function ProjectileComponent(target_id, speed, damage) {
		return {
			name: 'ProjectileComponent',
			target_id: target_id || -1,
			speed: speed || 8,
			// Let's keep the speed lower
			damage: damage || 10
		};
	},
	EnemyComponent: function EnemyComponent(goldValue, livesCost, armor_type) {
		return {
			name: 'EnemyComponent',
			gold_value: goldValue || 5,
			lives_cost: livesCost || 1,
			armor_type: armor_type || 'Normal'
		};
	},
	PowerStorageComponent: function PowerStorageComponent(capacity) {
		return {
			name: 'PowerStorageComponent',
			capacity: capacity || 0
		};
	},
	PoisonOnImpactComponent: function PoisonOnImpactComponent(damage_per_second, duration) {
		return {
			name: 'PoisonOnImpactComponent',
			damage_per_second: damage_per_second || 0,
			duration: duration || 0
		};
	},
	PoisonDebuffComponent: function PoisonDebuffComponent(damage_per_second, duration_remaining, last_tick_time) {
		return {
			name: 'PoisonDebuffComponent',
			damage_per_second: damage_per_second || 0,
			duration_remaining: duration_remaining || 0,
			last_tick_time: last_tick_time || 0
		};
	},
	SlowOnImpactComponent: function SlowOnImpactComponent(slow_percentage, duration) {
		return {
			name: 'SlowOnImpactComponent',
			slow_percentage: slow_percentage || 0,
			duration: duration || 0
		};
	},
	SlowDebuffComponent: function SlowDebuffComponent(slow_percentage, duration_remaining) {
		return {
			name: 'SlowDebuffComponent',
			slow_percentage: slow_percentage || 0,
			duration_remaining: duration_remaining || 0
		};
	},
	AuraComponent: function AuraComponent(range, effect_type) {
		return {
			name: 'AuraComponent',
			range: range || 100,
			effect_type: effect_type || ''
		};
	},
	DamageBuffComponent: function DamageBuffComponent(multiplier, source_aura_id) {
		return {
			name: 'DamageBuffComponent',
			multiplier: multiplier || 0,
			source_aura_id: source_aura_id || -1
		};
	},
	GoldGenerationComponent: function GoldGenerationComponent(gold_per_second) {
		return {
			name: 'GoldGenerationComponent',
			gold_per_second: gold_per_second || 0
		};
	},
	FlyingComponent: function FlyingComponent() {
		return {
			name: 'FlyingComponent'
		};
	},
	// --- NEW COMPONENTS ---
	FireZoneOnImpactComponent: function FireZoneOnImpactComponent(damage_per_tick, duration, tick_rate) {
		return {
			name: 'FireZoneOnImpactComponent',
			damage_per_tick: damage_per_tick || 0,
			duration: duration || 0,
			tick_rate: tick_rate || 1.0
		};
	},
	FireZoneComponent: function FireZoneComponent(damage_per_tick, duration_remaining, tick_rate, last_tick_time) {
		return {
			name: 'FireZoneComponent',
			damage_per_tick: damage_per_tick || 0,
			duration_remaining: duration_remaining || 0,
			tick_rate: tick_rate || 1.0,
			last_tick_time: last_tick_time || 0
		};
	}
};
Game.Systems = {
	MovementSystem: {
		update: function update() {
			var movableEntities = Game.EntityManager.getEntitiesWithComponents(['TransformComponent', 'MovementComponent']);
			var frame_time = 1 / 60; // Assuming 60 FPS
			var goal = {
				x: 39,
				y: 30
			}; // The goal grid cell
			for (var i = 0; i < movableEntities.length; i++) {
				var entityId = movableEntities[i];
				var transform = Game.EntityManager.componentStores['TransformComponent'][entityId];
				var movement = Game.EntityManager.componentStores['MovementComponent'][entityId];
				var currentSpeed = movement.speed;
				// Check for slow debuff (no changes here)
				var slowDebuff = Game.EntityManager.componentStores['SlowDebuffComponent'] ? Game.EntityManager.componentStores['SlowDebuffComponent'][entityId] : null;
				if (slowDebuff) {
					currentSpeed = movement.speed * (1 - slowDebuff.slow_percentage);
					slowDebuff.duration_remaining -= frame_time;
					if (slowDebuff.duration_remaining <= 0) {
						delete Game.EntityManager.componentStores['SlowDebuffComponent'][entityId];
					}
				}
				// --- START OF NEW FLOW FIELD LOGIC ---
				// 1. Get the direction vector from the flow field at the enemy's current position.
				var direction = Game.PathManager.getVectorAt(transform.x, transform.y);
				// 2. Calculate how far to move this frame.
				var moveDistance = currentSpeed * frame_time;
				// 3. Update the enemy's position.
				transform.x += direction.x * moveDistance;
				transform.y += direction.y * moveDistance;
				// 4. Check if the enemy has reached the goal.
				var gridX = Math.floor(transform.x / 64);
				var gridY = Math.floor(transform.y / 64);
				if (gridX === goal.x && gridY === goal.y) {
					Game.EventBus.publish(Game.Events.EnemyReachedEndEvent(entityId));
				}
				// --- END OF NEW FLOW FIELD LOGIC ---
			}
		}
	},
	RenderSystem: {
		displayObjects: {},
		update: function update() {
			var renderableEntities = Game.EntityManager.getEntitiesWithComponents(['TransformComponent', 'RenderComponent']);
			for (var i = 0; i < renderableEntities.length; i++) {
				var entityId = renderableEntities[i];
				var transform = Game.EntityManager.componentStores['TransformComponent'][entityId];
				var render = Game.EntityManager.componentStores['RenderComponent'][entityId];
				var sprite = this.displayObjects[entityId];
				if (!sprite) {
					sprite = gameWorld.attachAsset(render.sprite_id, {});
					// --- NEW ANCHOR LOGIC ---
					// This is the critical fix: Ensure all game entities are visually centered.
					sprite.anchor.set(0.5, 0.5);
					// --- END NEW ANCHOR LOGIC ---
					this.displayObjects[entityId] = sprite;
				}
				sprite.x = transform.x;
				sprite.y = transform.y;
				sprite.visible = render.is_visible;
			}
		}
	},
	TowerBuildSystem: {
		tryBuildAt: function tryBuildAt(gridX, gridY, towerType) {
			var towerData = Game.TowerData[towerType];
			// 1. Use the new 3x3 build check
			if (!towerData || !Game.GridManager.isBuildable3x3(gridX, gridY)) {
				return;
			}
			if (!Game.ResourceManager.spendGold(towerData.cost)) {
				return;
			}
			// 2. Temporarily mark the 3x3 area on the grid for path validation
			for (var dx = -1; dx <= 1; dx++) {
				for (var dy = -1; dy <= 1; dy++) {
					Game.GridManager.grid[gridX + dx][gridY + dy].state = Game.GridManager.CELL_STATES.TOWER;
				}
			}
			// 3. Regenerate flow field and validate path
			Game.PathManager.generateFlowField();
			var spawnDistance = Game.PathManager.distanceField[0][30];
			if (spawnDistance === Infinity) {
				// INVALID PLACEMENT: Revert the grid cells and refund gold
				for (var dx = -1; dx <= 1; dx++) {
					for (var dy = -1; dy <= 1; dy++) {
						Game.GridManager.grid[gridX + dx][gridY + dy].state = Game.GridManager.CELL_STATES.EMPTY;
					}
				}
				Game.ResourceManager.addGold(towerData.cost);
				// Re-generate the flow field to its valid state
				Game.PathManager.generateFlowField();
				return;
			}
			// --- VALID PLACEMENT ---
			var towerId = Game.EntityManager.createEntity();
			// 4. Permanently mark the 3x3 grid area with the new tower's ID
			for (var dx = -1; dx <= 1; dx++) {
				for (var dy = -1; dy <= 1; dy++) {
					Game.GridManager.grid[gridX + dx][gridY + dy].entityId = towerId;
				}
			}
			var centeredX = gridX * 64 + 32;
			var centeredY = gridY * 64 + 32;
			var transform = Game.Components.TransformComponent(centeredX, centeredY);
			Game.EntityManager.addComponent(towerId, transform);
			var render = Game.Components.RenderComponent(towerData.sprite_id, 2, 1.0, true);
			Game.EntityManager.addComponent(towerId, render);
			for (var i = 0; i < towerData.components.length; i++) {
				var componentDef = towerData.components[i];
				var component;
				if (componentDef.name === 'TowerComponent') {
					var currentWave = Game.Systems.WaveSpawnerSystem.currentWaveIndex;
					component = Game.Components.TowerComponent(componentDef.args[0], componentDef.args[1], currentWave);
				} else {
					component = Game.Components[componentDef.name].apply(null, componentDef.args);
				}
				Game.EntityManager.addComponent(towerId, component);
			}
			var event = Game.Events.TowerPlacedEvent(towerId, towerData.cost, transform.x, transform.y);
			Game.EventBus.publish(event);
		}
	},
	TargetingSystem: {
		update: function update() {
			// If there is a power deficit, do not assign any new targets.
			if (Game.Systems.CombatSystem.isPowerDeficit) {
				// Also, clear any existing targets to prevent towers from holding a lock.
				var towers = Game.EntityManager.getEntitiesWithComponents(['AttackComponent']);
				for (var i = 0; i < towers.length; i++) {
					var towerAttack = Game.EntityManager.componentStores['AttackComponent'][towers[i]];
					towerAttack.target_id = -1;
				}
				return; // Stop the system's update.
			}
			var towers = Game.EntityManager.getEntitiesWithComponents(['AttackComponent', 'TransformComponent']);
			for (var i = 0; i < towers.length; i++) {
				var towerId = towers[i];
				var towerAttack = Game.EntityManager.componentStores['AttackComponent'][towerId];
				var towerTransform = Game.EntityManager.componentStores['TransformComponent'][towerId];
				var bestTarget = -1;
				var bestPathIndex = -1;
				var enemies = Game.EntityManager.getEntitiesWithComponents(['TransformComponent', 'MovementComponent']);
				for (var j = 0; j < enemies.length; j++) {
					var enemyId = enemies[j];
					var enemyTransform = Game.EntityManager.componentStores['TransformComponent'][enemyId];
					var dx = enemyTransform.x - towerTransform.x;
					var dy = enemyTransform.y - towerTransform.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance <= towerAttack.range) {
						// Check if enemy has PathFollowerComponent (ground units) or use default targeting for flyers
						var pathFollower = Game.EntityManager.componentStores['PathFollowerComponent'] ? Game.EntityManager.componentStores['PathFollowerComponent'][enemyId] : null;
						var currentPathIndex = pathFollower ? pathFollower.path_index : 0;
						if (currentPathIndex > bestPathIndex) {
							bestTarget = enemyId;
							bestPathIndex = currentPathIndex;
						}
					}
				}
				towerAttack.target_id = bestTarget;
			}
		}
	},
	CleanupSystem: {
		update: function update() {
			for (var i = 0; i < Game.EntityManager.entitiesToDestroy.length; i++) {
				var entityId = Game.EntityManager.entitiesToDestroy[i];
				var index = Game.EntityManager.activeEntities.indexOf(entityId);
				if (index > -1) {
					Game.EntityManager.activeEntities.splice(index, 1);
				}
				for (var componentName in Game.EntityManager.componentStores) {
					if (Game.EntityManager.componentStores[componentName][entityId]) {
						delete Game.EntityManager.componentStores[componentName][entityId];
					}
				}
				if (Game.Systems.RenderSystem.displayObjects[entityId]) {
					Game.Systems.RenderSystem.displayObjects[entityId].destroy();
					delete Game.Systems.RenderSystem.displayObjects[entityId];
				}
			}
			if (Game.EntityManager.entitiesToDestroy.length > 0) {
				Game.EntityManager.entitiesToDestroy = [];
			}
		}
	},
	WaveSpawnerSystem: {
		currentWaveIndex: -1,
		isSpawning: false,
		spawnTimer: 0,
		subWaveIndex: 0,
		spawnedInSubWave: 0,
		startNextWave: function startNextWave() {
			this.currentWaveIndex++;
			if (this.currentWaveIndex >= Game.WaveData.length) {
				return; // No more waves
			}
			this.isSpawning = true;
			this.spawnTimer = 0;
			this.subWaveIndex = 0;
			this.spawnedInSubWave = 0;
			// Calculate the total number of enemies for this wave
			var totalEnemies = 0;
			var currentWave = Game.WaveData[this.currentWaveIndex];
			for (var i = 0; i < currentWave.sub_waves.length; i++) {
				totalEnemies += currentWave.sub_waves[i].count;
			}
			Game.GameplayManager.totalEnemiesThisWave = totalEnemies;
		},
		update: function update() {
			if (!this.isSpawning || this.currentWaveIndex >= Game.WaveData.length) {
				return;
			}
			var currentWave = Game.WaveData[this.currentWaveIndex];
			if (!currentWave || this.subWaveIndex >= currentWave.sub_waves.length) {
				this.isSpawning = false;
				return;
			}
			var currentSubWave = currentWave.sub_waves[this.subWaveIndex];
			if (this.spawnedInSubWave === 0 && this.spawnTimer < currentSubWave.start_delay) {
				this.spawnTimer += 1 / 60;
				return;
			}
			if (this.spawnedInSubWave > 0 && this.spawnTimer < currentSubWave.spawn_delay) {
				this.spawnTimer += 1 / 60;
				return;
			}
			if (this.spawnedInSubWave < currentSubWave.count) {
				var enemyData = Game.EnemyData[currentSubWave.enemy_type];
				if (!enemyData) {
					this.subWaveIndex++;
					this.spawnedInSubWave = 0;
					this.spawnTimer = 0;
					return;
				}
				var enemyId = Game.EntityManager.createEntity();
				var isFlyer = enemyData.components && enemyData.components.some(function (c) {
					return c.name === 'FlyingComponent';
				});
				var renderLayer = isFlyer ? 3 : 1;
				var transform = Game.Components.TransformComponent(0 * 64, 30 * 64);
				var render = Game.Components.RenderComponent('enemy', renderLayer, 1.0, true);
				var movement = Game.Components.MovementComponent(enemyData.speed);
				var health = Game.Components.HealthComponent(enemyData.health, enemyData.health);
				var enemy = Game.Components.EnemyComponent(enemyData.gold_value, enemyData.lives_cost, enemyData.armor_type);
				Game.EntityManager.addComponent(enemyId, transform);
				Game.EntityManager.addComponent(enemyId, render);
				Game.EntityManager.addComponent(enemyId, movement);
				Game.EntityManager.addComponent(enemyId, health);
				Game.EntityManager.addComponent(enemyId, enemy);
				if (enemyData.components && enemyData.components.length > 0) {
					for (var i = 0; i < enemyData.components.length; i++) {
						var compData = enemyData.components[i];
						var newComponent = Game.Components[compData.name].apply(null, compData.args || []);
						Game.EntityManager.addComponent(enemyId, newComponent);
					}
				}
				this.spawnedInSubWave++;
				this.spawnTimer = 0;
				Game.GameplayManager.enemiesSpawnedThisWave++;
			} else {
				this.subWaveIndex++;
				this.spawnedInSubWave = 0;
				this.spawnTimer = 0;
			}
		}
	},
	CombatSystem: {
		isPowerDeficit: false,
		init: function init() {
			Game.EventBus.subscribe('PowerStatusChanged', this.onPowerStatusChanged.bind(this));
		},
		onPowerStatusChanged: function onPowerStatusChanged(event) {
			this.isPowerDeficit = event.new_status === 'deficit';
		},
		update: function update() {
			// If there is a power deficit, do not allow towers to fire.
			if (this.isPowerDeficit) {
				return; // Stop the system's update.
			}
			var currentTime = LK.ticks / 60;
			var towers = Game.EntityManager.getEntitiesWithComponents(['AttackComponent', 'TransformComponent']);
			for (var i = 0; i < towers.length; i++) {
				var towerId = towers[i];
				var towerAttack = Game.EntityManager.componentStores['AttackComponent'][towerId];
				var towerTransform = Game.EntityManager.componentStores['TransformComponent'][towerId];
				if (towerAttack.target_id !== -1 && currentTime - towerAttack.last_attack_time >= 1.0 / towerAttack.attack_speed) {
					var targetTransform = Game.EntityManager.componentStores['TransformComponent'][towerAttack.target_id];
					if (targetTransform) {
						var baseDamage = towerAttack.damage;
						var finalDamage = baseDamage;
						var buffComp = Game.EntityManager.componentStores['DamageBuffComponent'] ? Game.EntityManager.componentStores['DamageBuffComponent'][towerId] : null;
						if (buffComp) {
							finalDamage = baseDamage * (1 + buffComp.multiplier);
						}
						var projectileId = Game.EntityManager.createEntity();
						var projectileTransform = Game.Components.TransformComponent(towerTransform.x, towerTransform.y);
						var projectileRender = Game.Components.RenderComponent(towerAttack.projectile_id, 1, 1.0, true);
						var projectileComponent = Game.Components.ProjectileComponent(towerAttack.target_id, undefined, finalDamage);
						projectileComponent.source_tower_id = towerId;
						Game.EntityManager.addComponent(projectileId, projectileTransform);
						Game.EntityManager.addComponent(projectileId, projectileRender);
						Game.EntityManager.addComponent(projectileId, projectileComponent);
						if (towerAttack.on_impact_effects && towerAttack.on_impact_effects.length > 0) {
							for (var j = 0; j < towerAttack.on_impact_effects.length; j++) {
								var effectData = towerAttack.on_impact_effects[j];
								var newComponent = Game.Components[effectData.name].apply(null, effectData.args);
								Game.EntityManager.addComponent(projectileId, newComponent);
							}
						}
						towerAttack.last_attack_time = currentTime;
					}
				}
			}
			var projectiles = Game.EntityManager.getEntitiesWithComponents(['ProjectileComponent', 'TransformComponent']);
			for (var i = projectiles.length - 1; i >= 0; i--) {
				var projectileId = projectiles[i];
				var projectileComp = Game.EntityManager.componentStores['ProjectileComponent'][projectileId];
				var projectileTransform = Game.EntityManager.componentStores['TransformComponent'][projectileId];
				var targetExists = Game.EntityManager.componentStores['TransformComponent'][projectileComp.target_id];
				if (!targetExists) {
					Game.EntityManager.destroyEntity(projectileId);
					continue;
				}
				var targetTransform = Game.EntityManager.componentStores['TransformComponent'][projectileComp.target_id];
				var dx = targetTransform.x - projectileTransform.x;
				var dy = targetTransform.y - projectileTransform.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < 10) {
					var impactPoint = {
						x: targetTransform.x,
						y: targetTransform.y
					};
					var sourceTowerAttack = Game.EntityManager.componentStores['AttackComponent'][projectileComp.source_tower_id];
					if (sourceTowerAttack && sourceTowerAttack.splash_radius > 0) {
						var allEnemies = Game.EntityManager.getEntitiesWithComponents(['HealthComponent', 'TransformComponent', 'EnemyComponent']);
						for (var j = 0; j < allEnemies.length; j++) {
							var enemyId = allEnemies[j];
							var enemyTransform = Game.EntityManager.componentStores['TransformComponent'][enemyId];
							var splash_dx = enemyTransform.x - impactPoint.x;
							var splash_dy = enemyTransform.y - impactPoint.y;
							var splash_dist = Math.sqrt(splash_dx * splash_dx + splash_dy * splash_dy);
							if (splash_dist <= sourceTowerAttack.splash_radius) {
								this.dealDamage(enemyId, projectileComp.damage);
							}
						}
					} else {
						this.dealDamage(projectileComp.target_id, projectileComp.damage);
					}
					var targetHealth = Game.EntityManager.componentStores['HealthComponent'][projectileComp.target_id];
					if (targetHealth) {
						var poisonImpactComp = Game.EntityManager.componentStores['PoisonOnImpactComponent'] ? Game.EntityManager.componentStores['PoisonOnImpactComponent'][projectileId] : null;
						if (poisonImpactComp) {
							var debuff = Game.Components.PoisonDebuffComponent(poisonImpactComp.damage_per_second, poisonImpactComp.duration, currentTime);
							Game.EntityManager.addComponent(projectileComp.target_id, debuff);
						}
						var slowImpactComp = Game.EntityManager.componentStores['SlowOnImpactComponent'] ? Game.EntityManager.componentStores['SlowOnImpactComponent'][projectileId] : null;
						if (slowImpactComp) {
							var slowDebuff = Game.Components.SlowDebuffComponent(slowImpactComp.slow_percentage, slowImpactComp.duration);
							Game.EntityManager.addComponent(projectileComp.target_id, slowDebuff);
						}
					}
					var fireZoneImpactComp = Game.EntityManager.componentStores['FireZoneOnImpactComponent'] ? Game.EntityManager.componentStores['FireZoneOnImpactComponent'][projectileId] : null;
					if (fireZoneImpactComp) {
						var zoneId = Game.EntityManager.createEntity();
						Game.EntityManager.addComponent(zoneId, Game.Components.TransformComponent(impactPoint.x, impactPoint.y));
						Game.EntityManager.addComponent(zoneId, Game.Components.RenderComponent('fire_zone', 0, 1.0, true));
						Game.EntityManager.addComponent(zoneId, Game.Components.FireZoneComponent(fireZoneImpactComp.damage_per_tick, fireZoneImpactComp.duration, fireZoneImpactComp.tick_rate, currentTime));
					}
					Game.EntityManager.destroyEntity(projectileId);
				} else {
					var moveX = dx / distance * projectileComp.speed;
					var moveY = dy / distance * projectileComp.speed;
					projectileTransform.x += moveX;
					projectileTransform.y += moveY;
				}
			}
			var poisonedEnemies = Game.EntityManager.getEntitiesWithComponents(['PoisonDebuffComponent']);
			for (var i = poisonedEnemies.length - 1; i >= 0; i--) {
				var enemyId = poisonedEnemies[i];
				var debuff = Game.EntityManager.componentStores['PoisonDebuffComponent'][enemyId];
				if (!debuff) {
					continue;
				}
				if (currentTime - debuff.last_tick_time >= 1.0) {
					this.dealDamage(enemyId, debuff.damage_per_second);
					debuff.last_tick_time = currentTime;
					debuff.duration_remaining -= 1.0;
				}
				if (debuff.duration_remaining <= 0) {
					delete Game.EntityManager.componentStores['PoisonDebuffComponent'][enemyId];
				}
			}
			var fireZones = Game.EntityManager.getEntitiesWithComponents(['FireZoneComponent', 'TransformComponent']);
			for (var i = fireZones.length - 1; i >= 0; i--) {
				var zoneId = fireZones[i];
				var zoneComp = Game.EntityManager.componentStores['FireZoneComponent'][zoneId];
				var zoneTransform = Game.EntityManager.componentStores['TransformComponent'][zoneId];
				zoneComp.duration_remaining -= 1.0 / 60;
				if (zoneComp.duration_remaining <= 0) {
					Game.EntityManager.destroyEntity(zoneId);
					continue;
				}
				if (currentTime - zoneComp.last_tick_time >= zoneComp.tick_rate) {
					var allEnemies = Game.EntityManager.getEntitiesWithComponents(['HealthComponent', 'TransformComponent']);
					var zoneRadius = 40;
					for (var j = 0; j < allEnemies.length; j++) {
						var enemyId = allEnemies[j];
						var enemyTransform = Game.EntityManager.componentStores['TransformComponent'][enemyId];
						var dx = enemyTransform.x - zoneTransform.x;
						var dy = enemyTransform.y - zoneTransform.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance <= zoneRadius) {
							this.dealDamage(enemyId, zoneComp.damage_per_tick);
						}
					}
					zoneComp.last_tick_time = currentTime;
				}
			}
		},
		dealDamage: function dealDamage(enemyId, damage) {
			var targetHealth = Game.EntityManager.componentStores['HealthComponent'][enemyId];
			if (!targetHealth) {
				return;
			}
			var finalDamage = damage;
			var enemyComp = Game.EntityManager.componentStores['EnemyComponent'][enemyId];
			if (enemyComp && enemyComp.armor_type === 'Heavy') {
				finalDamage *= 0.5;
			}
			targetHealth.current_hp -= finalDamage;
			if (targetHealth.current_hp <= 0) {
				var goldValue = enemyComp ? enemyComp.gold_value : 0;
				Game.EventBus.publish(Game.Events.EnemyKilledEvent(enemyId, goldValue));
				Game.EntityManager.destroyEntity(enemyId);
			}
		}
	},
	AuraSystem: {
		update: function update() {
			var buffedTowers = Game.EntityManager.getEntitiesWithComponents(['DamageBuffComponent']);
			for (var i = 0; i < buffedTowers.length; i++) {
				var towerId = buffedTowers[i];
				delete Game.EntityManager.componentStores['DamageBuffComponent'][towerId];
			}
			var auraTowers = Game.EntityManager.getEntitiesWithComponents(['AuraComponent', 'TransformComponent']);
			if (auraTowers.length === 0) {
				return;
			}
			var attackTowers = Game.EntityManager.getEntitiesWithComponents(['AttackComponent', 'TransformComponent']);
			for (var i = 0; i < auraTowers.length; i++) {
				var auraTowerId = auraTowers[i];
				var auraComponent = Game.EntityManager.componentStores['AuraComponent'][auraTowerId];
				var auraTransform = Game.EntityManager.componentStores['TransformComponent'][auraTowerId];
				if (auraComponent.effect_type !== 'damage_buff') {
					continue;
				}
				for (var j = 0; j < attackTowers.length; j++) {
					var attackTowerId = attackTowers[j];
					if (attackTowerId === auraTowerId) {
						continue;
					}
					var attackTransform = Game.EntityManager.componentStores['TransformComponent'][attackTowerId];
					var dx = auraTransform.x - attackTransform.x;
					var dy = auraTransform.y - attackTransform.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance <= auraComponent.range) {
						var buff = Game.Components.DamageBuffComponent(0.2, auraTowerId);
						Game.EntityManager.addComponent(attackTowerId, buff);
					}
				}
			}
		}
	},
	EconomySystem: {
		update: function update() {
			var goldGenerators = Game.EntityManager.getEntitiesWithComponents(['GoldGenerationComponent']);
			for (var i = 0; i < goldGenerators.length; i++) {
				var entityId = goldGenerators[i];
				var goldGenComp = Game.EntityManager.componentStores['GoldGenerationComponent'][entityId];
				if (goldGenComp) {
					Game.ResourceManager.addGold(goldGenComp.gold_per_second);
				}
			}
		}
	},
	TowerSystem: {
		tryUpgradeTower: function tryUpgradeTower(towerId, path) {
			var renderComp = Game.EntityManager.componentStores['RenderComponent'][towerId];
			if (!renderComp) {
				return;
			}
			var towerSpriteId = renderComp.sprite_id;
			var towerType = null;
			for (var type in Game.TowerData) {
				if (Game.TowerData[type].sprite_id === towerSpriteId) {
					towerType = type;
					break;
				}
			}
			if (!towerType) {
				return;
			}
			var upgradePathData = Game.UpgradeData[towerType] ? Game.UpgradeData[towerType][path] : null;
			if (!upgradePathData) {
				return;
			}
			var towerComp = Game.EntityManager.componentStores['TowerComponent'][towerId];
			if (!towerComp) {
				return;
			}
			var nextUpgradeIndex = path === 'PathA' ? towerComp.upgrade_path_A_level : towerComp.upgrade_path_B_level;
			if (nextUpgradeIndex >= upgradePathData.length) {
				return;
			}
			var upgradeInfo = upgradePathData[nextUpgradeIndex];
			if (!Game.ResourceManager.spendGold(upgradeInfo.cost)) {
				return;
			}
			for (var componentName in upgradeInfo.effects) {
				var componentToModify = Game.EntityManager.componentStores[componentName] ? Game.EntityManager.componentStores[componentName][towerId] : null;
				if (componentToModify) {
					var effectsToApply = upgradeInfo.effects[componentName];
					for (var property in effectsToApply) {
						if (componentToModify.hasOwnProperty(property)) {
							componentToModify[property] += effectsToApply[property];
						}
					}
				}
			}
			if (upgradeInfo.add_component_on_impact) {
				var attackComp = Game.EntityManager.componentStores['AttackComponent'][towerId];
				if (attackComp) {
					if (!attackComp.on_impact_effects) {
						attackComp.on_impact_effects = [];
					}
					attackComp.on_impact_effects.push(upgradeInfo.add_component_on_impact);
				}
			}
			towerComp.upgrade_level++;
			if (path === 'PathA') {
				towerComp.upgrade_path_A_level++;
			} else {
				towerComp.upgrade_path_B_level++;
			}
		},
		trySellTower: function trySellTower(towerId) {
			var towerComp = Game.EntityManager.componentStores['TowerComponent'][towerId];
			var transformComp = Game.EntityManager.componentStores['TransformComponent'][towerId];
			if (!towerComp || !transformComp) {
				return;
			}
			var refundAmount = towerComp.sell_value;
			var currentWave = Game.Systems.WaveSpawnerSystem.currentWaveIndex;
			if (towerComp.built_on_wave === currentWave) {
				refundAmount = towerComp.cost;
			}
			Game.ResourceManager.addGold(refundAmount);
			// Clear the tower's 3x3 footprint from the grid
			var gridX = Math.floor(transformComp.x / 64);
			var gridY = Math.floor(transformComp.y / 64);
			for (var dx = -1; dx <= 1; dx++) {
				for (var dy = -1; dy <= 1; dy++) {
					var x = gridX + dx;
					var y = gridY + dy;
					if (Game.GridManager.grid[x] && Game.GridManager.grid[x][y] !== undefined) {
						Game.GridManager.grid[x][y].state = Game.GridManager.CELL_STATES.EMPTY;
						Game.GridManager.grid[x][y].entityId = null;
					}
				}
			}
			Game.EventBus.publish(Game.Events.TowerSoldEvent(towerId, refundAmount));
			Game.GameplayManager.selectedTowerId = -1;
			Game.EntityManager.destroyEntity(towerId);
		}
	}
};
// === SECTION: GAME DATA ===
Game.EnemyData = {
	'Grunt': {
		health: 100,
		speed: 50,
		gold_value: 5,
		lives_cost: 1,
		armor_type: 'Normal',
		components: []
	},
	'Swarmer': {
		health: 30,
		speed: 80,
		gold_value: 2,
		lives_cost: 1,
		armor_type: 'Light',
		components: []
	},
	'Armored': {
		health: 400,
		speed: 30,
		gold_value: 15,
		lives_cost: 2,
		armor_type: 'Heavy',
		components: []
	},
	'Flyer': {
		health: 80,
		speed: 60,
		gold_value: 8,
		lives_cost: 1,
		armor_type: 'Light',
		components: [{
			name: 'FlyingComponent',
			args: []
		}]
	}
};
Game.WaveData = [
// Wave 1: A few basic Grunts
{
	wave_number: 1,
	sub_waves: [{
		enemy_type: 'Grunt',
		count: 10,
		spawn_delay: 1.5,
		start_delay: 0
	}]
},
// Wave 2: A larger group of Grunts
{
	wave_number: 2,
	sub_waves: [{
		enemy_type: 'Grunt',
		count: 15,
		spawn_delay: 1.2,
		start_delay: 0
	}]
},
// Wave 3: A wave of fast Swarmers
{
	wave_number: 3,
	sub_waves: [{
		enemy_type: 'Swarmer',
		count: 20,
		spawn_delay: 0.5,
		start_delay: 0
	}]
},
// Wave 4: Grunts supported by slow, tough Armored units
{
	wave_number: 4,
	sub_waves: [{
		enemy_type: 'Grunt',
		count: 10,
		spawn_delay: 1.5,
		start_delay: 0
	}, {
		enemy_type: 'Armored',
		count: 2,
		spawn_delay: 3.0,
		start_delay: 5.0
	}]
},
// Wave 5: A squadron of Flyers that ignore the path
{
	wave_number: 5,
	sub_waves: [{
		enemy_type: 'Flyer',
		count: 8,
		spawn_delay: 1.0,
		start_delay: 0
	}]
}];
// === SECTION: TOWER DATA ===
Game.TowerData = {
	'ArrowTower': {
		cost: 50,
		sprite_id: 'arrow_tower',
		color: 0x2ecc71,
		components: [{
			name: 'TowerComponent',
			args: [50, 25, undefined]
		}, {
			name: 'AttackComponent',
			args: [10, 150, 1.0, 0, 'arrow_projectile']
		}, {
			name: 'PowerConsumptionComponent',
			args: [2]
		}]
	},
	'GeneratorTower': {
		cost: 75,
		sprite_id: 'generator_tower',
		color: 0x3498db,
		components: [{
			name: 'TowerComponent',
			args: [75, 37, undefined]
		}, {
			name: 'PowerProductionComponent',
			args: [5]
		}]
	},
	'CapacitorTower': {
		cost: 40,
		sprite_id: 'capacitor_tower',
		color: 0xf1c40f,
		components: [{
			name: 'TowerComponent',
			args: [40, 20, undefined]
		}, {
			name: 'PowerStorageComponent',
			args: [20]
		}]
	},
	'RockLauncher': {
		cost: 125,
		sprite_id: 'rock_launcher_tower',
		color: 0x8d6e63,
		components: [{
			name: 'TowerComponent',
			args: [125, 62, undefined]
		}, {
			name: 'AttackComponent',
			args: [25, 200, 0.5, 0, 'rock_projectile', -1, 50]
		}, {
			name: 'PowerConsumptionComponent',
			args: [10]
		}]
	},
	'ChemicalTower': {
		cost: 100,
		sprite_id: 'chemical_tower',
		color: 0xb87333,
		components: [{
			name: 'TowerComponent',
			args: [100, 50, undefined]
		}, {
			name: 'AttackComponent',
			args: [5, 150, 0.8, 0, 'chemical_projectile', -1, 0]
		}, {
			name: 'PowerConsumptionComponent',
			args: [8]
		}]
	},
	'SlowTower': {
		cost: 80,
		sprite_id: 'slow_tower',
		color: 0x5dade2,
		components: [{
			name: 'TowerComponent',
			args: [80, 40, undefined]
		}, {
			name: 'AttackComponent',
			args: [2, 160, 1.0, 0, 'slow_projectile']
		}, {
			name: 'PowerConsumptionComponent',
			args: [4]
		}]
	},
	'DarkTower': {
		cost: 150,
		sprite_id: 'dark_tower',
		color: 0x9b59b6,
		components: [{
			name: 'TowerComponent',
			args: [150, 75, undefined]
		}, {
			name: 'AuraComponent',
			args: [175, 'damage_buff']
		}, {
			name: 'PowerConsumptionComponent',
			args: [12]
		}]
	},
	'GraveyardTower': {
		cost: 200,
		sprite_id: 'graveyard_tower',
		color: 0x607d8b,
		components: [{
			name: 'TowerComponent',
			args: [200, 100, undefined]
		}, {
			name: 'GoldGenerationComponent',
			args: [1.5]
		}, {
			name: 'PowerConsumptionComponent',
			args: [15]
		}]
	}
};
// === SECTION: UPGRADE DATA ===
Game.UpgradeData = {
	'ArrowTower': {
		'PathA': [{
			cost: 60,
			effects: {
				AttackComponent: {
					damage: 5
				}
			}
		},
		//{7R} // Level 1: +5 Dmg
		{
			cost: 110,
			effects: {
				AttackComponent: {
					damage: 10
				}
			}
		} //{7W}  // Level 2: +10 Dmg
		],
		'PathB': [{
			cost: 75,
			effects: {
				AttackComponent: {
					attack_speed: 0.2
				}
			}
		},
		//{83} // Level 1: +0.2 AS
		{
			cost: 125,
			effects: {
				AttackComponent: {
					attack_speed: 0.3
				}
			}
		} //{8a}  // Level 2: +0.3 AS
		]
	},
	'RockLauncher': {
		'PathA': [
		// Heavy Boulders - More Damage & Range
		{
			cost: 150,
			effects: {
				AttackComponent: {
					damage: 15,
					range: 20
				}
			}
		}, {
			cost: 250,
			effects: {
				AttackComponent: {
					damage: 25,
					range: 30
				}
			}
		},
		// --- UPDATED UPGRADE ---
		{
			cost: 500,
			effects: {
				AttackComponent: {
					damage: 50,
					range: 50
				}
			},
			add_component_on_impact: {
				name: 'FireZoneOnImpactComponent',
				args: [10, 3, 0.5]
			} // dmg, duration, tick_rate
		}],
		'PathB': [
		// Lighter Munitions - Faster Attack Speed
		{
			cost: 140,
			effects: {
				AttackComponent: {
					damage: 5,
					attack_speed: 0.2
				}
			}
		}, {
			cost: 220,
			effects: {
				AttackComponent: {
					damage: 10,
					attack_speed: 0.3
				}
			}
		}, {
			cost: 450,
			effects: {
				AttackComponent: {
					damage: 15,
					attack_speed: 0.5
				}
			}
		}]
	}
};
// === SECTION: GRID DRAWING ===
// Create a container for all game objects that will be panned
var gameWorld = new Container();
game.addChild(gameWorld);
function drawGrid() {
	// Draw the grid cells
	for (var x = 0; x < Game.GridManager.grid.length; x++) {
		for (var y = 0; y < Game.GridManager.grid[x].length; y++) {
			var cellSprite = gameWorld.attachAsset('grid_cell', {});
			cellSprite.x = x * 64;
			cellSprite.y = y * 64;
			cellSprite.anchor.set(0, 0); // Anchor to top-left
			cellSprite.gridX = x; // Store grid coordinates on the sprite
			cellSprite.gridY = y;
			cellSprite.down = function () {
				// Only process true clicks, not drags
				var timeSinceMouseDown = LK.ticks / 60 * 1000 - mouseDownTime;
				if (timeSinceMouseDown > 200) {
					return;
				}
				var dx = Math.abs(lastMouseX - dragStartX);
				var dy = Math.abs(lastMouseY - dragStartY);
				if (dx > 10 || dy > 10) {
					return;
				}
				var gridX = this.gridX;
				var gridY = this.gridY;
				var gridCell = Game.GridManager.grid[gridX][gridY];
				if (Game.GameplayManager.activeBuildType) {
					// If in build mode, check if the 3x3 area is buildable
					if (Game.GridManager.isBuildable3x3(gridX, gridY)) {
						Game.GameplayManager.isConfirmingPlacement = true;
						// The center of the build is the clicked cell
						Game.GameplayManager.confirmPlacementCoords = {
							x: gridX,
							y: gridY
						};
						var worldX = gridX * 64 + 32;
						var worldY = gridY * 64 + 32;
						confirmPanel.x = worldX;
						confirmPanel.y = worldY;
					} else {
						// Clicked an invalid spot, so cancel build mode
						Game.GameplayManager.activeBuildType = null;
					}
				} else if (!Game.GameplayManager.isConfirmingPlacement) {
					// If not in build mode, check for selection
					if (gridCell.state === Game.GridManager.CELL_STATES.TOWER) {
						// The grid cell now directly tells us which tower is selected
						Game.GameplayManager.selectedTowerId = gridCell.entityId;
					} else {
						Game.GameplayManager.selectedTowerId = -1;
					}
				}
			};
		}
	}
	// Highlight the path cells
	if (Game.PathManager.currentPath) {
		for (var i = 0; i < Game.PathManager.currentPath.length; i++) {
			var pathNode = Game.PathManager.currentPath[i];
			var pathSprite = gameWorld.attachAsset('path_cell', {});
			// Note: PathManager coordinates are already in pixels
			pathSprite.x = pathNode.x;
			pathSprite.y = pathNode.y;
			pathSprite.anchor.set(0, 0);
		}
	}
}
// === SECTION: GLOBAL EVENT BUS ===
Game.EventBus = {
	listeners: {},
	subscribe: function subscribe(eventType, listener) {
		if (!this.listeners[eventType]) {
			this.listeners[eventType] = [];
		}
		this.listeners[eventType].push(listener);
	},
	unsubscribe: function unsubscribe(eventType, listener) {
		if (this.listeners[eventType]) {
			var index = this.listeners[eventType].indexOf(listener);
			if (index !== -1) {
				this.listeners[eventType].splice(index, 1);
			}
		}
	},
	publish: function publish(event) {
		if (this.listeners[event.type]) {
			for (var i = 0; i < this.listeners[event.type].length; i++) {
				this.listeners[event.type][i](event);
			}
		}
	}
};
Game.Events = {
	EnemyReachedEndEvent: function EnemyReachedEndEvent(enemy_id) {
		return {
			type: 'EnemyReachedEnd',
			enemy_id: enemy_id
		};
	},
	EnemyKilledEvent: function EnemyKilledEvent(enemy_id, gold_value) {
		return {
			type: 'EnemyKilled',
			enemy_id: enemy_id,
			gold_value: gold_value
		};
	},
	TowerPlacedEvent: function TowerPlacedEvent(tower_id, cost, position_x, position_y) {
		return {
			type: 'TowerPlaced',
			tower_id: tower_id,
			cost: cost,
			position_x: position_x,
			position_y: position_y
		};
	},
	TowerSoldEvent: function TowerSoldEvent(tower_id, refund_value) {
		return {
			type: 'TowerSold',
			tower_id: tower_id,
			refund_value: refund_value
		};
	},
	PowerStatusChangedEvent: function PowerStatusChangedEvent(new_status) {
		return {
			type: 'PowerStatusChanged',
			new_status: new_status
		};
	},
	WaveCompletedEvent: function WaveCompletedEvent(wave_number) {
		return {
			type: 'WaveCompleted',
			wave_number: wave_number
		};
	},
	GameOverEvent: function GameOverEvent() {
		return {
			type: 'GameOver'
		};
	}
};
// === SECTION: STACK-BASED GAME STATE MANAGER ===
// === SECTION: DIRECT GAME INITIALIZATION ===
// Initialize managers
Game.GridManager.init(40, 60);
Game.GridManager.grid[0][30] = Game.GridManager.CELL_STATES.PATH; // Set spawn point as unbuildable
Game.ResourceManager.init();
Game.PathManager.init(40, 60);
drawGrid();
// Create the Heads-Up Display (HUD)
var goldText = new Text2('Gold: 100', {
	size: 40,
	fill: 0xFFD700
});
goldText.anchor.set(1, 0); // Align to the right
LK.gui.topRight.addChild(goldText);
goldText.x = -20; // 20px padding from the right edge
goldText.y = 20; // 20px padding from the top edge
var livesText = new Text2('Lives: 20', {
	size: 40,
	fill: 0xFF4136
});
livesText.anchor.set(1, 0); // Align to the right
LK.gui.topRight.addChild(livesText);
livesText.x = -20; // 20px padding from the right edge
livesText.y = 70; // Position below the gold text
var waveText = new Text2('Wave: 1 / 5', {
	size: 40,
	fill: 0xFFFFFF
});
waveText.anchor.set(1, 0); // Align to the right
LK.gui.topRight.addChild(waveText);
waveText.x = -20; // 20px padding from the right edge
waveText.y = 120; // Position below the lives text
// Create Power Meter UI
var powerMeterContainer = new Container();
LK.gui.topRight.addChild(powerMeterContainer);
powerMeterContainer.x = -320; // Positioned in from the right edge
powerMeterContainer.y = 170; // Position below wave text
// Create a Graphics instance for power production bar
var Graphics = function Graphics() {
	var graphics = new Container();
	graphics.currentFill = 0xffffff;
	graphics.currentAlpha = 1.0;
	graphics.beginFill = function (color, alpha) {
		this.currentFill = color;
		this.currentAlpha = alpha !== undefined ? alpha : 1.0;
	};
	graphics.drawRect = function (x, y, width, height) {
		var rect = game.attachAsset('grid_cell', {});
		rect.tint = this.currentFill;
		rect.alpha = this.currentAlpha;
		rect.x = x;
		rect.y = y;
		rect.width = width;
		rect.height = height;
		this.addChild(rect);
	};
	graphics.endFill = function () {
		// No-op for compatibility
	};
	graphics.clear = function () {
		// Remove all children to clear the graphics
		while (this.children.length > 0) {
			var child = this.children[0];
			this.removeChild(child);
			if (child.destroy) {
				child.destroy();
			}
		}
	};
	return graphics;
};
// Background bar representing total production capacity
var powerProductionBar = new Graphics();
powerProductionBar.beginFill(0x3498db, 0.5); // Semi-transparent blue
powerProductionBar.drawRect(0, 0, 300, 20); // Placeholder width
powerProductionBar.endFill();
powerMeterContainer.addChild(powerProductionBar);
// Foreground bar representing current consumption
var powerConsumptionBar = new Graphics();
powerConsumptionBar.beginFill(0x2ecc71); // Green for surplus
powerConsumptionBar.drawRect(0, 0, 10, 20); // Placeholder width
powerConsumptionBar.endFill();
powerMeterContainer.addChild(powerConsumptionBar);
// Secondary bar for the available power buffer (capacitors)
var powerAvailableBar = new Graphics();
powerAvailableBar.beginFill(0x3498db, 0.3); // Fainter blue
powerAvailableBar.drawRect(0, 0, 5, 20); // Placeholder width, starts at the end of the production bar
powerAvailableBar.endFill();
powerMeterContainer.addChild(powerAvailableBar);
// Create Start Wave button
var startWaveButton = new Text2('START NEXT WAVE', {
	size: 70,
	fill: 0x00FF00
});
startWaveButton.anchor.set(0.5, 1);
LK.gui.bottom.addChild(startWaveButton);
startWaveButton.y = -20;
startWaveButton.visible = true;
startWaveButton.down = function () {
	// Deselect any active tower before starting the wave
	Game.GameplayManager.selectedTowerId = -1;
	Game.Systems.WaveSpawnerSystem.startNextWave();
	startWaveButton.visible = false;
};
// Initialize GameplayManager
Game.GameplayManager.init();
// Initialize GameManager
Game.GameManager.init();
Game.Systems.CombatSystem.init();
// === SECTION: TEMP BUILD UI ===
// === SECTION: BUILD AND CONFIRMATION UI ===
// -- Ghost Tower (for placement preview) --
var ghostTowerSprite = null;
// -- Build Panel (at the bottom of the screen) --
var buildPanel = new Container();
LK.gui.bottom.addChild(buildPanel);
buildPanel.x = 0;
buildPanel.y = -150; // Positioned further up to not overlap the "Start Wave" button
// -- Floating Info Panel (now a fixed panel above the build bar) --
var floatingInfoPanel = new Container();
LK.gui.bottom.addChild(floatingInfoPanel); // Attach to the bottom GUI anchor
// Container objects don't have anchor property, so position it manually to center
floatingInfoPanel.x = -150; // Offset by half the panel width (300/2) to center
floatingInfoPanel.y = -320; // Position it 320px up from the bottom edge
floatingInfoPanel.visible = false;
var infoBackground = new Graphics();
infoBackground.beginFill(0x000000, 0.8);
infoBackground.drawRect(0, 0, 300, 80);
infoBackground.endFill();
floatingInfoPanel.addChild(infoBackground);
var infoText = new Text2('', {
	size: 30,
	fill: 0xFFFFFF,
	wordWrap: true,
	wordWrapWidth: 290
});
infoText.anchor.set(0, 0);
infoText.x = 5;
infoText.y = 5;
floatingInfoPanel.addChild(infoText);
// -- Confirmation Panel (appears on the game map) --
var confirmPanel = new Container();
gameWorld.addChild(confirmPanel); // Added to gameWorld so it pans with the camera
confirmPanel.visible = false;
// Buttons will be created and destroyed dynamically.
var confirmButton = null;
var cancelButton = null;
// -- Build Button Creation Logic (for Drag-and-Drop) --
var buildButtonData = [{
	type: 'ArrowTower',
	sprite: 'arrow_tower'
}, {
	type: 'GeneratorTower',
	sprite: 'generator_tower'
}, {
	type: 'CapacitorTower',
	sprite: 'capacitor_tower'
}, {
	type: 'RockLauncher',
	sprite: 'rock_launcher_tower'
}, {
	type: 'ChemicalTower',
	sprite: 'chemical_tower'
}, {
	type: 'SlowTower',
	sprite: 'slow_tower'
}, {
	type: 'DarkTower',
	sprite: 'dark_tower'
}, {
	type: 'GraveyardTower',
	sprite: 'graveyard_tower'
}];
var buttonSize = 90;
var buttonPadding = 15;
var totalWidth = buildButtonData.length * buttonSize + (buildButtonData.length - 1) * buttonPadding;
var startX = -totalWidth / 2;
for (var i = 0; i < buildButtonData.length; i++) {
	var data = buildButtonData[i];
	var button = game.attachAsset(data.sprite, {});
	button.width = buttonSize;
	button.height = buttonSize;
	button.anchor.set(0.5, 0.5);
	button.x = startX + i * (buttonSize + buttonPadding) + buttonSize / 2;
	button.y = 0;
	button.towerType = data.type;
	// This is the start of the drag-and-drop
	button.down = function () {
		// Set the active build type to start the drag process
		Game.GameplayManager.activeBuildType = this.towerType;
		Game.GameplayManager.isConfirmingPlacement = false;
		Game.GameplayManager.selectedTowerId = -1; // Deselect any existing tower
	};
	// We no longer need a 'move' handler here, as the main game loop will handle the drag.
	buildPanel.addChild(button);
}
// We no longer need the 'buildPanel.out' handler either.
buildPanel.out = null;
// Confirmation button logic is now handled dynamically in the game update loop
// === SECTION: MINIMAP UI ===
var minimapContainer = new Container();
LK.gui.bottomLeft.addChild(minimapContainer);
minimapContainer.x = 20; // 20px padding from the left edge
minimapContainer.y = -320; // Position up from bottom edge (negative value moves up in bottomLeft anchor)
var minimapBackground = new Graphics();
minimapContainer.addChild(minimapBackground);
// Function to draw the static parts of the minimap
function drawMinimapBackground() {
	var mapWidth = 40;
	var mapHeight = 60;
	var tilePixelSize = 5; // Each grid cell is a 5x5 pixel block on the minimap
	var colors = {
		EMPTY: 0x3d2b1f,
		// Dark Brown for buildable land
		PATH: 0x8B4513,
		// SaddleBrown for the path
		TOWER: 0xFFFFFF,
		// White (will be used for dynamic tower dots later)
		BLOCKED: 0x111111 // Almost black for blocked areas
	};
	minimapBackground.clear();
	minimapBackground.beginFill(0x000000, 0.5); // Semi-transparent black background for the minimap
	minimapBackground.drawRect(0, 0, mapWidth * tilePixelSize, mapHeight * tilePixelSize);
	minimapBackground.endFill();
	for (var x = 0; x < mapWidth; x++) {
		for (var y = 0; y < mapHeight; y++) {
			var cellState = Game.GridManager.grid[x][y];
			var color;
			switch (cellState) {
				case Game.GridManager.CELL_STATES.PATH:
					color = colors.PATH;
					break;
				case Game.GridManager.CELL_STATES.BLOCKED:
					color = colors.BLOCKED;
					break;
				default:
					color = colors.EMPTY;
					break;
			}
			minimapBackground.beginFill(color);
			minimapBackground.drawRect(x * tilePixelSize, y * tilePixelSize, tilePixelSize, tilePixelSize);
			minimapBackground.endFill();
		}
	}
}
// Call the function once to draw the initial state
drawMinimapBackground();
var minimapDynamicLayer = new Graphics();
minimapContainer.addChild(minimapDynamicLayer);
var minimapViewportRect = new Graphics();
minimapContainer.addChild(minimapViewportRect);
minimapContainer.down = function (x, y, obj) {
	// x and y are the click coordinates relative to the minimap's top-left corner.
	// 1. Define map and minimap dimensions for conversion.
	var mapWorldWidth = 40 * 64; // 2560
	var mapWorldHeight = 60 * 64; // 3840
	var minimapPixelWidth = 40 * 5; // 200
	var minimapPixelHeight = 60 * 5; // 300
	// 2. Convert minimap click coordinates to world coordinates.
	// This gives us the point in the world the player wants to look at.
	var targetWorldX = x / minimapPixelWidth * mapWorldWidth;
	var targetWorldY = y / minimapPixelHeight * mapWorldHeight;
	// 3. Calculate the new camera position to CENTER the view on the target.
	var screenWidth = 2048;
	var screenHeight = 2732;
	var newCameraX = -targetWorldX + screenWidth / 2;
	var newCameraY = -targetWorldY + screenHeight / 2;
	// 4. Clamp the new camera position to the map boundaries.
	// This reuses the same clamping logic from the drag-to-pan feature.
	var minX = screenWidth - mapWorldWidth;
	var minY = screenHeight - mapWorldHeight;
	var maxX = 0;
	var maxY = 0;
	cameraX = Math.max(minX, Math.min(maxX, newCameraX));
	cameraY = Math.max(minY, Math.min(maxY, newCameraY));
	// 5. Apply the final, clamped transform to the game world.
	gameWorld.x = cameraX;
	gameWorld.y = cameraY;
};
function updateMinimapDynamic() {
	minimapDynamicLayer.clear();
	var tilePixelSize = 5;
	// Draw Towers
	var towers = Game.EntityManager.getEntitiesWithComponents(['TowerComponent', 'TransformComponent']);
	for (var i = 0; i < towers.length; i++) {
		var towerId = towers[i];
		var transform = Game.EntityManager.componentStores['TransformComponent'][towerId];
		var gridX = Math.floor(transform.x / 64);
		var gridY = Math.floor(transform.y / 64);
		minimapDynamicLayer.beginFill(0xFFFFFF); // White dot for towers
		minimapDynamicLayer.drawRect(gridX * tilePixelSize, gridY * tilePixelSize, tilePixelSize, tilePixelSize);
		minimapDynamicLayer.endFill();
	}
	// Draw Enemies
	var enemies = Game.EntityManager.getEntitiesWithComponents(['EnemyComponent', 'TransformComponent']);
	for (var i = 0; i < enemies.length; i++) {
		var enemyId = enemies[i];
		var transform = Game.EntityManager.componentStores['TransformComponent'][enemyId];
		// Use the enemy's precise world coordinates for smoother tracking on the minimap
		var minimapX = transform.x / 64 * tilePixelSize;
		var minimapY = transform.y / 64 * tilePixelSize;
		minimapDynamicLayer.beginFill(0xFF0000); // Red dot for enemies
		minimapDynamicLayer.drawRect(minimapX, minimapY, 3, 3); // Make them slightly smaller than a tile
		minimapDynamicLayer.endFill();
	}
}
function updateMinimapViewport() {
	minimapViewportRect.clear();
	var tilePixelSize = 5;
	var worldTileSize = 64;
	// The cameraX/Y variables are inverse offsets. We need the true top-left coordinate.
	var trueCameraX = -cameraX;
	var trueCameraY = -cameraY;
	// Get screen/viewport dimensions
	var screenWidth = 2048; // Use the game's actual screen dimensions
	var screenHeight = 2732;
	// Convert world coordinates and dimensions to minimap scale
	var rectX = trueCameraX / worldTileSize * tilePixelSize;
	var rectY = trueCameraY / worldTileSize * tilePixelSize;
	var rectWidth = screenWidth / worldTileSize * tilePixelSize;
	var rectHeight = screenHeight / worldTileSize * tilePixelSize;
	minimapViewportRect.beginFill(0xFFFFFF, 0.25); // Semi-transparent white
	minimapViewportRect.drawRect(rectX, rectY, rectWidth, rectHeight);
	minimapViewportRect.endFill();
}
// Add mouse event handlers for camera panning
game.down = function (x, y, obj) {
	isDragging = true;
	dragStartX = x;
	dragStartY = y;
	lastMouseX = x;
	lastMouseY = y;
	cameraStartX = cameraX;
	cameraStartY = cameraY;
	mouseDownTime = LK.ticks / 60 * 1000; // Convert to milliseconds
};
game.move = function (x, y, obj) {
	lastMouseX = x;
	lastMouseY = y;
	if (isDragging) {
		var dx = x - dragStartX;
		var dy = y - dragStartY;
		// Update camera position (inverted for drag effect)
		cameraX = cameraStartX + dx;
		cameraY = cameraStartY + dy;
		// Clamp camera to map boundaries
		var mapWidth = 40 * 64; // 40 tiles * 64 pixels per tile
		var mapHeight = 60 * 64; // 60 tiles * 64 pixels per tile
		var screenWidth = 2048;
		var screenHeight = 2732;
		// Ensure we never see beyond the map edges
		var minX = screenWidth - mapWidth;
		var minY = screenHeight - mapHeight;
		var maxX = 0;
		var maxY = 0;
		cameraX = Math.max(minX, Math.min(maxX, cameraX));
		cameraY = Math.max(minY, Math.min(maxY, cameraY));
		// Apply camera transform to game world
		gameWorld.x = cameraX;
		gameWorld.y = cameraY;
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
// Set up main game loop
var powerUpdateTimer = 0;
game.update = function () {
	if (Game.GameManager.isGameOver) {
		return;
	}
	// Run core game systems
	Game.Systems.WaveSpawnerSystem.update();
	Game.Systems.TargetingSystem.update();
	Game.Systems.AuraSystem.update();
	Game.Systems.CombatSystem.update();
	Game.Systems.MovementSystem.update();
	Game.Systems.RenderSystem.update();
	// --- UI STATE MACHINE FOR DRAG-AND-DROP ---
	var currentBuildType = Game.GameplayManager.activeBuildType;
	// Check if the player is currently dragging a tower to build
	if (currentBuildType && !Game.GameplayManager.isConfirmingPlacement) {
		// --- STATE: DRAGGING TOWER ---
		var towerData = Game.TowerData[currentBuildType];
		// Ensure UI for other states is hidden
		confirmPanel.visible = false;
		upgradePanel.visible = false;
		rangeCircle.visible = false;
		// Create/update the ghost tower sprite that follows the cursor/finger
		if (!ghostTowerSprite || ghostTowerSprite.towerType !== currentBuildType) {
			if (ghostTowerSprite) ghostTowerSprite.destroy();
			ghostTowerSprite = gameWorld.attachAsset(towerData.sprite_id, {});
			ghostTowerSprite.anchor.set(0.5, 0.5);
			ghostTowerSprite.alpha = 0.5;
			ghostTowerSprite.towerType = currentBuildType;
		}
		ghostTowerSprite.visible = true;
		var mouseWorldX = lastMouseX - cameraX;
		var mouseWorldY = lastMouseY - cameraY;
		var gridX = Math.floor(mouseWorldX / 64);
		var gridY = Math.floor(mouseWorldY / 64);
		ghostTowerSprite.x = gridX * 64 + 32;
		ghostTowerSprite.y = gridY * 64 + 32;
		ghostTowerSprite.tint = Game.GridManager.isBuildable3x3(gridX, gridY) ? 0xFFFFFF : 0xFF5555;
		// Update and show the fixed info panel
		floatingInfoPanel.visible = true;
		infoText.setText(currentBuildType + "\nCost: " + towerData.cost);
		// The panel's position is now fixed and no longer updated here.
	} else if (Game.GameplayManager.isConfirmingPlacement) {
		// --- STATE: AWAITING CONFIRMATION ---
		// Hide other UI elements
		if (ghostTowerSprite) ghostTowerSprite.visible = false;
		floatingInfoPanel.visible = false;
		upgradePanel.visible = false;
		rangeCircle.visible = false;
		// Create/update confirmation buttons if needed
		if (!confirmButton || confirmButton.towerType !== currentBuildType) {
			if (confirmButton) confirmButton.destroy();
			if (cancelButton) cancelButton.destroy();
			var towerData = Game.TowerData[currentBuildType];
			// Create CONFIRM button
			confirmButton = game.attachAsset(towerData.sprite_id, {
				tint: 0x2ECC71
			});
			confirmButton.width = 120; // Increased size
			confirmButton.height = 120; // Increased size
			confirmButton.x = -65; // Adjusted spacing
			confirmButton.anchor.set(0.5, 0.5);
			confirmButton.towerType = currentBuildType;
			confirmButton.down = function () {
				var coords = Game.GameplayManager.confirmPlacementCoords;
				var buildType = Game.GameplayManager.activeBuildType;
				if (coords && buildType) {
					Game.Systems.TowerBuildSystem.tryBuildAt(coords.x, coords.y, buildType);
				}
				// Reset state
				Game.GameplayManager.isConfirmingPlacement = false;
				Game.GameplayManager.activeBuildType = null;
			};
			confirmPanel.addChild(confirmButton);
			// Create CANCEL button
			cancelButton = game.attachAsset(towerData.sprite_id, {
				tint: 0xE74C3C
			});
			cancelButton.width = 120; // Increased size
			cancelButton.height = 120; // Increased size
			cancelButton.x = 65; // Adjusted spacing
			cancelButton.anchor.set(0.5, 0.5);
			cancelButton.towerType = currentBuildType;
			cancelButton.down = function () {
				// Reset state
				Game.GameplayManager.isConfirmingPlacement = false;
				Game.GameplayManager.activeBuildType = null;
			};
			confirmPanel.addChild(cancelButton);
		}
		confirmPanel.visible = true;
	} else if (Game.GameplayManager.selectedTowerId !== -1) {
		// --- STATE: TOWER SELECTED ---
		// Hide all build-related UI
		if (ghostTowerSprite) {
			ghostTowerSprite.destroy();
			ghostTowerSprite = null;
		}
		if (confirmButton) {
			confirmButton.destroy();
			confirmButton = null;
		}
		if (cancelButton) {
			cancelButton.destroy();
			cancelButton = null;
		}
		confirmPanel.visible = false;
		floatingInfoPanel.visible = false;
		// Show upgrade panel and range circle
		var towerId = Game.GameplayManager.selectedTowerId;
		var renderComp = Game.EntityManager.componentStores['RenderComponent'] ? Game.EntityManager.componentStores['RenderComponent'][towerId] : null;
		var towerComp = Game.EntityManager.componentStores['TowerComponent'] ? Game.EntityManager.componentStores['TowerComponent'][towerId] : null;
		var attackComp = Game.EntityManager.componentStores['AttackComponent'] ? Game.EntityManager.componentStores['AttackComponent'][towerId] : null;
		var transformComp = Game.EntityManager.componentStores['TransformComponent'] ? Game.EntityManager.componentStores['TransformComponent'][towerId] : null;
		if (!renderComp || !towerComp || !transformComp) {
			Game.GameplayManager.selectedTowerId = -1;
			upgradePanel.visible = false;
			rangeCircle.visible = false;
		} else {
			upgradePanel.visible = true;
			if (attackComp && transformComp) {
				rangeCircle.visible = true;
				rangeCircle.x = transformComp.x;
				rangeCircle.y = transformComp.y;
				rangeCircle.width = attackComp.range * 2;
				rangeCircle.height = attackComp.range * 2;
			} else {
				rangeCircle.visible = false;
			}
			var towerType = null;
			for (var type in Game.TowerData) {
				if (Game.TowerData[type].sprite_id === renderComp.sprite_id) {
					towerType = type;
					break;
				}
			}
			towerNameText.setText(towerType + " (Lvl " + towerComp.upgrade_level + ")");
			var upgradePathAData = Game.UpgradeData[towerType] ? Game.UpgradeData[towerType]['PathA'] : null;
			if (upgradePathAData && towerComp.upgrade_path_A_level < upgradePathAData.length) {
				var upgradeInfoA = upgradePathAData[towerComp.upgrade_path_A_level];
				upgradeAPathButton.setText("Upgrade Path A ($" + upgradeInfoA.cost + ")");
				upgradeAPathButton.visible = true;
			} else {
				upgradeAPathButton.visible = false;
			}
			var upgradePathBData = Game.UpgradeData[towerType] ? Game.UpgradeData[towerType]['PathB'] : null;
			if (upgradePathBData && towerComp.upgrade_path_B_level < upgradePathBData.length) {
				var upgradeInfoB = upgradePathBData[towerComp.upgrade_path_B_level];
				upgradeBPathButton.setText("Upgrade Path B ($" + upgradeInfoB.cost + ")");
				upgradeBPathButton.visible = true;
			} else {
				upgradeBPathButton.visible = false;
			}
			var sellPrice = towerComp.sell_value;
			var currentWave = Game.Systems.WaveSpawnerSystem.currentWaveIndex;
			if (towerComp.built_on_wave === currentWave) {
				sellPrice = towerComp.cost;
			}
			sellButton.setText("Sell Tower ($" + sellPrice + ")");
		}
	} else {
		// --- STATE: IDLE ---
		// Clean up all dynamic UI
		if (ghostTowerSprite) {
			ghostTowerSprite.destroy();
			ghostTowerSprite = null;
		}
		if (confirmButton) {
			confirmButton.destroy();
			confirmButton = null;
		}
		if (cancelButton) {
			cancelButton.destroy();
			cancelButton = null;
		}
		floatingInfoPanel.visible = false;
		confirmPanel.visible = false;
		upgradePanel.visible = false;
		rangeCircle.visible = false;
	}
	// The `game.up` event (releasing the mouse/finger) will handle the drop logic.
	game.up = function () {
		if (Game.GameplayManager.activeBuildType && !Game.GameplayManager.isConfirmingPlacement) {
			var mouseWorldX = lastMouseX - cameraX;
			var mouseWorldY = lastMouseY - cameraY;
			var gridX = Math.floor(mouseWorldX / 64);
			var gridY = Math.floor(mouseWorldY / 64);
			// If dropped on a valid spot, switch to confirmation state
			if (Game.GridManager.isBuildable3x3(gridX, gridY)) {
				Game.GameplayManager.isConfirmingPlacement = true;
				Game.GameplayManager.confirmPlacementCoords = {
					x: gridX,
					y: gridY
				};
				confirmPanel.x = gridX * 64 + 32;
				confirmPanel.y = gridY * 64 + 32;
			} else {
				// Dropped on an invalid spot, cancel the build
				Game.GameplayManager.activeBuildType = null;
			}
		}
		isDragging = false;
	};
	// Update standard HUD elements every frame
	goldText.setText('Gold: ' + Game.ResourceManager.gold);
	livesText.setText('Lives: ' + Game.ResourceManager.lives);
	waveText.setText('Wave: ' + (Game.Systems.WaveSpawnerSystem.currentWaveIndex + 1) + ' / ' + Game.WaveData.length);
	// Update Power Meter, Minimap, etc.
	var p_prod = Game.ResourceManager.powerProduction;
	var p_cons = Game.ResourceManager.powerConsumption;
	var p_avail = Game.ResourceManager.powerAvailable;
	var isDeficit = p_cons > p_prod && p_avail <= 0;
	var barScale = 3;
	var productionWidth = p_prod * barScale;
	powerProductionBar.clear();
	powerProductionBar.beginFill(0x5DADE2, 0.6);
	powerProductionBar.drawRect(0, 0, productionWidth, 20);
	powerProductionBar.endFill();
	var consumptionWidth = Math.min(p_cons, p_prod) * barScale;
	var consumptionColor = 0x00FF7F;
	if (isDeficit) {
		consumptionColor = Math.floor(LK.ticks / 10) % 2 === 0 ? 0xFF4136 : 0xD9362D;
	} else if (p_prod > 0 && p_cons / p_prod >= 0.75) {
		consumptionColor = 0xFFD700;
	}
	powerConsumptionBar.clear();
	powerConsumptionBar.beginFill(consumptionColor);
	powerConsumptionBar.drawRect(0, 0, consumptionWidth, 20);
	powerConsumptionBar.endFill();
	var availableWidth = p_avail * barScale;
	powerAvailableBar.x = productionWidth;
	powerAvailableBar.clear();
	powerAvailableBar.beginFill(0x5DADE2, 0.4);
	powerAvailableBar.drawRect(0, 0, availableWidth, 20);
	powerAvailableBar.endFill();
	updateMinimapDynamic();
	updateMinimapViewport();
	powerUpdateTimer++;
	if (powerUpdateTimer >= 60) {
		Game.ResourceManager.updatePower();
		if (Game.Systems.WaveSpawnerSystem.isSpawning) {
			Game.Systems.EconomySystem.update();
		}
		powerUpdateTimer = 0;
	}
	Game.Systems.CleanupSystem.update();
};
// === SECTION: TOWER RANGE INDICATOR UI ===
var rangeCircle = gameWorld.attachAsset('range_circle', {});
gameWorld.addChild(rangeCircle);
rangeCircle.anchor.set(0.5, 0.5); // Set the origin to the center of the asset
rangeCircle.alpha = 0.25;
rangeCircle.visible = false;
// === SECTION: UPGRADE & SELL UI ===
var upgradePanel = new Container();
LK.gui.right.addChild(upgradePanel);
upgradePanel.x = -50; // 50px padding from the right edge
upgradePanel.y = 0;
upgradePanel.visible = false;
var towerNameText = new Text2('Tower Name', {
	size: 50,
	fill: 0xFFFFFF,
	align: 'right' // Align text to the right
});
towerNameText.anchor.set(1, 0.5); // Anchor to the right
upgradePanel.addChild(towerNameText);
var upgradeAPathButton = new Text2('Upgrade Path A', {
	size: 45,
	fill: 0x27AE60,
	align: 'right'
});
upgradeAPathButton.anchor.set(1, 0.5); // Anchor to the right
upgradeAPathButton.y = 70;
upgradePanel.addChild(upgradeAPathButton);
var upgradeBPathButton = new Text2('Upgrade Path B', {
	size: 45,
	fill: 0x2980B9,
	align: 'right'
});
upgradeBPathButton.anchor.set(1, 0.5); // Anchor to the right
upgradeBPathButton.y = 140;
upgradePanel.addChild(upgradeBPathButton);
var sellButton = new Text2('Sell Tower', {
	size: 45,
	fill: 0xC0392B,
	align: 'right'
});
sellButton.anchor.set(1, 0.5); // Anchor to the right
sellButton.y = 210;
upgradePanel.addChild(sellButton);
sellButton.down = function () {
	if (Game.GameplayManager.selectedTowerId !== -1) {
		Game.Systems.TowerSystem.trySellTower(Game.GameplayManager.selectedTowerId);
	}
};
upgradeAPathButton.down = function () {
	if (Game.GameplayManager.selectedTowerId !== -1) {
		Game.Systems.TowerSystem.tryUpgradeTower(Game.GameplayManager.selectedTowerId, 'PathA');
	}
};
upgradeBPathButton.down = function () {
	if (Game.GameplayManager.selectedTowerId !== -1) {
		Game.Systems.TowerSystem.tryUpgradeTower(Game.GameplayManager.selectedTowerId, 'PathB');
	}
};