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

/**** 
* Classes
****/ 
// Critical damage effect class removed
var DifficultySelectWindow = Container.expand(function () {
	var self = Container.call(this);
	// Semi-transparent background overlay to focus on the popup
	var overlay = LK.getAsset('grid_cell_dark', {
		anchorX: 0,
		anchorY: 0,
		width: 2048,
		height: 2732,
		alpha: 0.7
	});
	self.addChild(overlay);
	// Main popup window
	var popup = LK.getAsset('grid_cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 1200,
		height: 800,
		alpha: 0.95
	});
	popup.x = 1024;
	popup.y = 1366;
	self.addChild(popup);
	// Title for the popup
	var titleText = new Text2('SELECT DIFFICULTY', {
		size: 100,
		fill: '#000000'
	});
	titleText.anchor.set(0.5, 0);
	titleText.x = 1024;
	titleText.y = 1066;
	self.addChild(titleText);
	// Create buttons for each difficulty
	var createDifficultyButton = function createDifficultyButton(text, yOffset) {
		var button = new Container();
		// Button background
		var bg = LK.getAsset('grid_cell', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8,
			width: 700,
			height: 120
		});
		button.addChild(bg);
		// Button text
		var buttonText = new Text2(text, {
			size: 80,
			fill: '#000000'
		});
		buttonText.anchor.set(0.5, 0.5);
		button.addChild(buttonText);
		// Position button
		button.x = 1024;
		button.y = yOffset;
		// Button press animation
		button.down = function (x, y, obj) {
			tween(bg, {
				scaleX: 0.95,
				scaleY: 0.95
			}, {
				duration: 100,
				easing: tween.easeOutQuad
			});
		};
		button.up = function (x, y, obj) {
			tween(bg, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.elasticOut
			});
		};
		return button;
	};
	// Create difficulty buttons
	var easyButton = createDifficultyButton('EASY', 1266);
	var mediumButton = createDifficultyButton('MEDIUM', 1416);
	var hardButton = createDifficultyButton('HARD', 1566);
	// Add buttons to container
	self.addChild(easyButton);
	self.addChild(mediumButton);
	self.addChild(hardButton);
	// Close popup when clicking outside
	overlay.down = function (x, y, obj) {
		// Check if click is outside the popup area
		var localPos = popup.toLocal({
			x: x,
			y: y
		});
		if (Math.abs(localPos.x) > popup.width / 2 || Math.abs(localPos.y) > popup.height / 2) {
			game.closeDifficultyWindow();
		}
	};
	// Button functionality - currently these don't do anything specific
	// except close the window since difficulty isn't implemented yet
	easyButton.up = function (x, y, obj) {
		tween(easyButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.closeDifficultyWindow();
				// Set AI difficulty to easy (0.3 out of 1.0)
				game.aiDifficulty = 0.3;
				game.gameMode = 'pvai';
				game.aiControlsRedTeam = true;
				game.startGame();
			}
		});
	};
	mediumButton.up = function (x, y, obj) {
		tween(mediumButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.closeDifficultyWindow();
				// Set AI difficulty to medium (0.6 out of 1.0)
				game.aiDifficulty = 0.6;
				game.gameMode = 'pvai';
				game.aiControlsRedTeam = true;
				game.startGame();
			}
		});
	};
	hardButton.up = function (x, y, obj) {
		tween(hardButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.closeDifficultyWindow();
				// Set AI difficulty to hard (0.9 out of 1.0)
				game.aiDifficulty = 0.9;
				game.gameMode = 'pvai';
				game.aiControlsRedTeam = true;
				game.startGame();
			}
		});
	};
	return self;
});
var GameModeScreen = Container.expand(function () {
	var self = Container.call(this);
	// Logo image
	var logo = LK.getAsset('game_logo', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -500
	});
	self.addChild(logo);
	// Title text
	var titleText = new Text2('SELECT GAME MODE', {
		size: 150,
		fill: '#FFFFFF'
	});
	titleText.anchor.set(0.5, 0);
	titleText.y = 0;
	self.addChild(titleText);
	// Create a button for game mode selection
	var createButton = function createButton(text, yOffset) {
		var button = new Container();
		// Button background
		var bg = LK.getAsset('grid_cell', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8,
			width: text === 'PLAYER VS PLAYER' ? 1000 : text === 'BACK' ? 500 : 800,
			height: 150
		});
		button.addChild(bg);
		// Button text
		var buttonText = new Text2(text, {
			size: 100,
			fill: '#000000'
		});
		buttonText.anchor.set(0.5, 0.5);
		button.addChild(buttonText);
		// Position button
		button.y = yOffset;
		// Button press animation
		button.down = function (x, y, obj) {
			tween(bg, {
				scaleX: 0.95,
				scaleY: 0.95
			}, {
				duration: 100,
				easing: tween.easeOutQuad
			});
		};
		button.up = function (x, y, obj) {
			tween(bg, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.elasticOut
			});
		};
		return button;
	};
	// Create buttons for the two game modes
	var pvpButton = createButton('PLAYER VS PLAYER', 300);
	var pvaiButton = createButton('PLAYER VS AI', 500);
	// Add back button
	var backButton = createButton('BACK', 1200);
	// Add buttons to container
	self.addChild(pvpButton);
	self.addChild(pvaiButton);
	self.addChild(backButton);
	// Animate buttons with grow and shrink effect
	function animateButton(button, delay) {
		LK.setTimeout(function () {
			tween(button, {
				scaleX: 1.1,
				scaleY: 1.1
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(button, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 800,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							animateButton(button, 0);
						}
					});
				}
			});
		}, delay);
	}
	// Start button animations with staggered delays
	animateButton(pvpButton, 0);
	animateButton(pvaiButton, 300);
	animateButton(backButton, 600);
	// Button functionality
	pvpButton.up = function (x, y, obj) {
		tween(pvpButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				// Player vs Player mode - start game directly, disable AI
				game.aiControlsRedTeam = false;
				game.gameMode = 'pvp';
				game.startGame();
			}
		});
	};
	pvaiButton.up = function (x, y, obj) {
		tween(pvaiButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				// Show difficulty selection for AI mode
				game.showDifficultyWindow();
			}
		});
	};
	backButton.up = function (x, y, obj) {
		tween(backButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showTitleScreen();
			}
		});
	};
	return self;
});
var GridCell = Container.expand(function () {
	var self = Container.call(this);
	// Cell properties
	self.row = 0;
	self.col = 0;
	self.occupied = false;
	self.occupiedBy = null;
	self.highlighted = false;
	self.highlightType = null;
	// Create cell graphic
	var cellGraphic = self.attachAsset('grid_cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.5
	});
	// Highlighting methods
	self.highlight = function (type) {
		if (self.highlightAsset) {
			self.removeChild(self.highlightAsset);
		}
		self.highlighted = true;
		self.highlightType = type;
		if (type === 'move') {
			self.highlightAsset = self.attachAsset('highlight_move', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0.5
			});
		} else if (type === 'selected') {
			self.highlightAsset = self.attachAsset('highlight_selected', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0.5
			});
		} else if (type === 'attack') {
			self.highlightAsset = self.attachAsset('highlight_attack', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0.6,
				width: 250,
				height: 250
			});
		}
	};
	self.clearHighlight = function () {
		if (self.highlightAsset) {
			self.removeChild(self.highlightAsset);
			self.highlightAsset = null;
		}
		self.highlighted = false;
		self.highlightType = null;
	};
	// Event handlers
	self.down = function (x, y, obj) {
		if ((game.gameState === 'player1Turn' || game.gameState === 'player2Turn' || game.gameState === 'aiTurn') && self.occupied) {
			var controller;
			if (game.gameState === 'player1Turn') {
				controller = game.player1Controller;
			} else if (game.gameState === 'player2Turn') {
				controller = game.player2Controller;
			} else if (game.gameState === 'aiTurn') {
				controller = game.player2Controller;
			}
			selectCharacter(self.occupiedBy, controller);
		} else if (game.gameState === 'player1Turn' && selectedUnit && selectedUnit.team === 'blue' || game.gameState === 'player2Turn' && selectedUnit && selectedUnit.team === 'red' || game.gameState === 'aiTurn' && selectedUnit && selectedUnit.team === 'red') {
			game.handleCellClick(self);
		}
	};
	return self;
});
var PlayerController1 = Container.expand(function () {
	var self = Container.call(this);
	return self;
});
var PlayerController2 = Container.expand(function () {
	var self = Container.call(this);
	return self;
});
// Handle cell click to move units and manage turns
var SettingsScreen = Container.expand(function () {
	var self = Container.call(this);
	// Title
	var titleText = new Text2('SETTINGS', {
		size: 150,
		fill: '#FFFFFF'
	});
	titleText.anchor.set(0.5, 0);
	titleText.y = -2732 / 3;
	self.addChild(titleText);
	// Create toggle button
	var createToggle = function createToggle(text, yPos, initialState, xPos) {
		var container = new Container();
		container.y = yPos;
		container.x = xPos;
		// Label
		var label = new Text2(text, {
			size: 80,
			fill: '#FFFFFF'
		});
		label.anchor.set(0, 0.5);
		container.addChild(label);
		// Toggle background
		var toggleBg = LK.getAsset('grid_cell_dark', {
			anchorX: 0.5,
			anchorY: 0.5,
			width: 200,
			height: 100,
			alpha: 0.8
		});
		toggleBg.x = 900;
		container.addChild(toggleBg);
		// Toggle indicator
		var indicator = LK.getAsset('grid_cell', {
			anchorX: 0.5,
			anchorY: 0.5,
			width: 80,
			height: 80
		});
		indicator.x = initialState ? 950 : 850;
		indicator.y = 0;
		container.addChild(indicator);
		// State
		container.state = initialState;
		// Toggle functionality
		toggleBg.down = function (x, y, obj) {
			container.state = !container.state;
			tween(indicator, {
				x: container.state ? 950 : 850
			}, {
				duration: 200,
				easing: tween.easeOutQuad
			});
		};
		return container;
	};
	// Create settings controls
	var soundToggle = createToggle('Sound Effects', 400, true, -500);
	var musicToggle = createToggle('Music', 550, true, -500);
	// Add controls to container
	self.addChild(soundToggle);
	self.addChild(musicToggle);
	// Back button
	var backButton = new Container();
	var backBg = LK.getAsset('grid_cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.8,
		width: 500,
		height: 120
	});
	var backText = new Text2('BACK', {
		size: 80,
		fill: '#000000'
	});
	backText.anchor.set(0.5, 0.5);
	backButton.addChild(backBg);
	backButton.addChild(backText);
	backButton.x = 0;
	backButton.y = 800;
	self.addChild(backButton);
	// Back button functionality
	backButton.down = function (x, y, obj) {
		tween(backBg, {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100,
			easing: tween.easeOutQuad
		});
	};
	// Add grow and shrink animation to back button
	function animateBackButton() {
		tween(backBg, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(backBg, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: animateBackButton
				});
			}
		});
	}
	// Start the animation
	animateBackButton();
	backButton.up = function (x, y, obj) {
		tween(backBg, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showTitleScreen();
			}
		});
	};
	return self;
});
var TitleScreen = Container.expand(function () {
	var self = Container.call(this);
	// Logo image
	var logo = LK.getAsset('game_logo', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -200
	});
	self.addChild(logo);
	// Title text placeholder to maintain layout structure
	var titleText = new Text2('', {
		size: 200,
		fill: '#FFFFFF'
	});
	titleText.anchor.set(0.5, 0.5);
	self.addChild(titleText);
	// Create buttons for different game modes
	var createButton = function createButton(text, yOffset) {
		var button = new Container();
		// Button background
		var bg = LK.getAsset('grid_cell', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8,
			width: 800,
			height: 150
		});
		button.addChild(bg);
		// Button text
		var buttonText = new Text2(text, {
			size: 100,
			fill: '#000000'
		});
		buttonText.anchor.set(0.5, 0.5);
		button.addChild(buttonText);
		// Position button
		button.y = yOffset;
		// Button hover/press effects
		button.down = function (x, y, obj) {
			tween(bg, {
				scaleX: 0.95,
				scaleY: 0.95
			}, {
				duration: 100,
				easing: tween.easeOutQuad
			});
		};
		button.up = function (x, y, obj) {
			tween(bg, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.elasticOut
			});
		};
		return button;
	};
	// Create menu buttons
	var playButton = createButton('PLAY GAME', 100);
	var tutorialButton = createButton('TUTORIAL', 300);
	var settingsButton = createButton('SETTINGS', 500);
	// Add buttons to container
	self.addChild(playButton);
	self.addChild(tutorialButton);
	self.addChild(settingsButton);
	// Animate buttons with grow and shrink effect
	function animateButton(button, delay) {
		LK.setTimeout(function () {
			tween(button, {
				scaleX: 1.1,
				scaleY: 1.1
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(button, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 800,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							animateButton(button, 0);
						}
					});
				}
			});
		}, delay);
	}
	// Start button animations with staggered delays
	animateButton(playButton, 0);
	animateButton(tutorialButton, 300);
	animateButton(settingsButton, 600);
	// Button functionality
	playButton.down = function (x, y, obj) {
		tween(playButton.children[0], {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100,
			easing: tween.easeOutQuad
		});
	};
	playButton.up = function (x, y, obj) {
		tween(playButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showGameModeScreen();
			}
		});
	};
	tutorialButton.down = function (x, y, obj) {
		tween(tutorialButton.children[0], {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100,
			easing: tween.easeOutQuad
		});
	};
	tutorialButton.up = function (x, y, obj) {
		tween(tutorialButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showTutorial();
			}
		});
	};
	settingsButton.down = function (x, y, obj) {
		tween(settingsButton.children[0], {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100,
			easing: tween.easeOutQuad
		});
	};
	settingsButton.up = function (x, y, obj) {
		tween(settingsButton.children[0], {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showSettings();
			}
		});
	};
	return self;
});
var TutorialScreen = Container.expand(function () {
	var self = Container.call(this);
	// Add background overlay for better readability
	var bg = LK.getAsset('grid_cell_dark', {
		anchorX: 0,
		anchorY: 0,
		width: 2048,
		height: 2732,
		alpha: 0.2
	});
	self.addChild(bg);
	// Main container to allow scrolling
	var scrollContainer = new Container();
	self.scrollContainer = scrollContainer; // Expose scrollContainer as a property
	self.addChild(scrollContainer);
	// Title container with fancier styling
	var titleContainer = new Container();
	titleContainer.y = 80;
	scrollContainer.addChild(titleContainer);
	// Title background for emphasis
	var titleBg = LK.getAsset('grid_cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 1800,
		height: 180,
		alpha: 0.0
	});
	titleContainer.addChild(titleBg);
	// Main title text
	var titleText = new Text2('Tactical Kings: Tutorials', {
		size: 120,
		fill: '#FFFFFF'
	});
	titleText.anchor.set(0.5, 0.5);
	titleContainer.addChild(titleText);
	// Content creation helper function with visual aids
	var createTutorialSection = function createTutorialSection(title, content, yPos, visualType) {
		var section = new Container();
		section.y = yPos;
		// Section header background
		var headerBg = LK.getAsset('highlight_move', {
			anchorX: 0.5,
			anchorY: 0.5,
			width: 1600,
			height: 120,
			alpha: 0.6
		});
		headerBg.y = 50;
		section.addChild(headerBg);
		// Section title with better styling
		var sectionTitle = new Text2(title, {
			size: 90,
			fill: '#FFFFFF'
		});
		sectionTitle.anchor.set(0.5, 0.5);
		sectionTitle.y = 50;
		section.addChild(sectionTitle);
		// Content background for better readability
		var contentBg = LK.getAsset('grid_cell_dark', {
			anchorX: 0.5,
			anchorY: 0,
			width: 1800,
			height: content.split('\n').length * 70 + 160,
			// Dynamic height based on content
			alpha: 0.0
		});
		contentBg.y = 120;
		section.addChild(contentBg);
		// Section content with improved formatting
		var sectionContent = new Text2(content, {
			size: 60,
			fill: '#FFFFFF',
			wordWrap: true,
			wordWrapWidth: 1600
		});
		sectionContent.anchor.set(0.5, 0);
		sectionContent.y = 140;
		section.addChild(sectionContent);
		// Visual aid based on section type
		if (visualType === 'core') {
			// Game objective visual - chessboard with highlighted king
			var boardVisual = new Container();
			boardVisual.y = contentBg.height + 750;
			// Mini grid visual
			for (var i = 0; i < 3; i++) {
				for (var j = 0; j < 3; j++) {
					var cell = LK.getAsset((i + j) % 2 === 0 ? 'grid_cell' : 'grid_cell_dark', {
						anchorX: 0.5,
						anchorY: 0.5,
						width: 120,
						height: 120,
						alpha: 0.7
					});
					cell.x = (j - 1) * 130;
					cell.y = (i - 1) * 130;
					boardVisual.addChild(cell);
					// Add highlight to center to show objective
					if (i === 1 && j === 1) {
						var highlight = LK.getAsset('highlight_selected', {
							anchorX: 0.5,
							anchorY: 0.5,
							width: 120,
							height: 120,
							alpha: 0.7
						});
						cell.addChild(highlight);
						// Add king piece
						var king = LK.getAsset('king_red', {
							anchorX: 0.5,
							anchorY: 0.5,
							width: 80,
							height: 80
						});
						cell.addChild(king);
					}
				}
			}
			section.addChild(boardVisual);
			// Adjust content background height to include visual
			contentBg.height += 400;
		} else if (visualType === 'characters') {
			// Character roster visual
			var charactersVisual = new Container();
			charactersVisual.y = contentBg.height + 1000;
			// Create visual for each character type
			var characters = [{
				type: 'knight_blue',
				name: 'Knight',
				x: -600
			}, {
				type: 'archer_blue',
				name: 'Archer',
				x: -300
			}, {
				type: 'wizard_blue',
				name: 'Mage',
				x: 0
			}, {
				type: 'warrior_blue',
				name: 'Tank',
				x: 300
			}, {
				type: 'king_blue',
				name: 'King',
				x: 600
			}];
			characters.forEach(function (_char) {
				var charContainer = new Container();
				charContainer.x = _char.x;
				// Background circle
				var bg = LK.getAsset('grid_cell', {
					anchorX: 0.5,
					anchorY: 0.5,
					width: 180,
					height: 180,
					alpha: 0.5
				});
				charContainer.addChild(bg);
				// Character icon
				var icon = LK.getAsset(_char.type, {
					anchorX: 0.5,
					anchorY: 0.5,
					width: 150,
					height: 150
				});
				charContainer.addChild(icon);
				// Character name
				var name = new Text2(_char.name, {
					size: 40,
					fill: '#FFFFFF'
				});
				name.anchor.set(0.5, 0);
				name.y = 100;
				charContainer.addChild(name);
				charactersVisual.addChild(charContainer);
			});
			section.addChild(charactersVisual);
			// Adjust content background height to include visual
			contentBg.height += 350;
		} else if (visualType === 'tactics') {
			// Tactics visual - counter relationship diagram
			var tacticsVisual = new Container();
			tacticsVisual.y = contentBg.height + 1000;
			// Create counter relationship triangle
			var counterPositions = [{
				type: 'knight_blue',
				name: 'Knight',
				x: -300,
				y: 0
			}, {
				type: 'archer_blue',
				name: 'Archer',
				x: 300,
				y: 0
			}, {
				type: 'wizard_blue',
				name: 'Mage',
				x: 0,
				y: -260
			}];
			// Draw relationship lines first (so they appear behind icons)
			var relationshipLines = new Container();
			// Draw triangle connecting the three unit types
			var p1 = counterPositions[0];
			var p2 = counterPositions[1];
			var p3 = counterPositions[2];
			// Create line assets as rectangles
			var line1 = LK.getAsset('grid_cell', {
				anchorX: 0.5,
				anchorY: 0.5,
				width: Math.sqrt(Math.pow(p2.x - p1.x, 2) + Math.pow(p2.y - p1.y, 2)),
				height: 10,
				alpha: 0.6
			});
			line1.x = (p1.x + p2.x) / 2;
			line1.y = (p1.y + p2.y) / 2;
			line1.rotation = Math.atan2(p2.y - p1.y, p2.x - p1.x);
			relationshipLines.addChild(line1);
			var line2 = LK.getAsset('grid_cell', {
				anchorX: 0.5,
				anchorY: 0.5,
				width: Math.sqrt(Math.pow(p3.x - p2.x, 2) + Math.pow(p3.y - p2.y, 2)),
				height: 10,
				alpha: 0.6
			});
			line2.x = (p2.x + p3.x) / 2;
			line2.y = (p2.y + p3.y) / 2;
			line2.rotation = Math.atan2(p3.y - p2.y, p3.x - p2.x);
			relationshipLines.addChild(line2);
			var line3 = LK.getAsset('grid_cell', {
				anchorX: 0.5,
				anchorY: 0.5,
				width: Math.sqrt(Math.pow(p1.x - p3.x, 2) + Math.pow(p1.y - p3.y, 2)),
				height: 10,
				alpha: 0.6
			});
			line3.x = (p3.x + p1.x) / 2;
			line3.y = (p3.y + p1.y) / 2;
			line3.rotation = Math.atan2(p1.y - p3.y, p1.x - p3.x);
			relationshipLines.addChild(line3);
			tacticsVisual.addChild(relationshipLines);
			// Add character icons with labels
			counterPositions.forEach(function (pos) {
				var unitContainer = new Container();
				unitContainer.x = pos.x;
				unitContainer.y = pos.y;
				// Background circle
				var bg = LK.getAsset('grid_cell', {
					anchorX: 0.5,
					anchorY: 0.5,
					width: 180,
					height: 180,
					alpha: 0.5
				});
				unitContainer.addChild(bg);
				// Unit icon
				var icon = LK.getAsset(pos.type, {
					anchorX: 0.5,
					anchorY: 0.5,
					width: 150,
					height: 150
				});
				unitContainer.addChild(icon);
				// Unit name
				var name = new Text2(pos.name, {
					size: 40,
					fill: '#FFFFFF'
				});
				name.anchor.set(0.5, 0);
				name.y = 100;
				unitContainer.addChild(name);
				tacticsVisual.addChild(unitContainer);
			});
			section.addChild(tacticsVisual);
			// Adjust content background height to include visual
			contentBg.height += 500;
		}
		return section;
	};
	// Define content with better formatting and line breaks for readability
	var coreContent = "The objective of Tactical Kings is to capture the opponent's King while protecting your own.\n\n" + "• Turn-Based Gameplay: Players take turns moving units and attacking enemies\n\n" + "• Attack Zones: Each unit type has unique movement patterns and attack ranges\n\n" + "• Strategic Planning: Control territory and set up favorable exchanges\n\n" + "• Win Condition: Eliminate the enemy King to win the match";
	var characterContent = "• Knight: Moves horizontally and vertically up to 3 tiles. Attacks along movement paths. Strong against Archers.\n\n" + "• Archer: Moves sideways freely and 1 tile forward. Attacks up to 4 tiles ahead in a straight line. Counters Mages.\n\n" + "• Mage: Moves 2 tiles in any direction. Has area-effect attacks up to 3 tiles away, damaging adjacent enemies. Effective against Knights.\n\n" + "• Tank: Slow movement but high health. Can instantly defeat non-King units in front of it.\n\n" + "• King: Can teleport freely to any unoccupied cell on the board. Attacks 1 tile forward. Must be protected at all costs - losing it means defeat.";
	var tacticsContent = "• Unit Counters: Use the right units against enemies:\n   - Knights beat Archers\n   - Archers beat Mages\n   - Mages beat Knights\n\n" + "• Territory Control: Position units to control key areas of the board\n\n" + "• King Protection: Always keep defensive units near your King\n\n" + "• Tactical Retreats: Sometimes moving away from danger is better than attacking\n\n" + "• Sacrifice Strategies: Trading pieces can be advantageous if it creates a winning position";
	// Calculate vertical spacing between sections
	var ySpacing = 340;
	// Add tutorial sections with improved spacing and visual aids - adjusted positioning
	var coreConceptsSection = createTutorialSection("Core Concepts", coreContent, ySpacing, 'core');
	var characterGuidesSection = createTutorialSection("Character Guides", characterContent, ySpacing + 1800, 'characters');
	var advancedTacticsSection = createTutorialSection("Advanced Tactics", tacticsContent, ySpacing + 3800, 'tactics');
	// Add sections to scroll container
	scrollContainer.addChild(coreConceptsSection);
	scrollContainer.addChild(characterGuidesSection);
	scrollContainer.addChild(advancedTacticsSection);
	// Center the scroll container horizontally and apply offset
	scrollContainer.x = 1024 + tutorialOffset.x;
	// Position the content vertically to avoid overlapping with offset
	scrollContainer.y = 0 + tutorialOffset.y;
	// Update content positioning
	titleContainer.y = 150;
	// Adjust section spacing to prevent overlapping
	var ySpacing = 450; // Increased spacing between sections
	// Back button with improved visibility
	var backButton = new Container();
	var backBg = LK.getAsset('grid_cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.9,
		width: 300,
		height: 120
	});
	var backText = new Text2('BACK', {
		size: 70,
		fill: '#000000'
	});
	backText.anchor.set(0.5, 0.5);
	backButton.addChild(backBg);
	backButton.addChild(backText);
	backButton.x = 200 + tutorialOffset.x; // Position in bottom-left with offset
	backButton.y = 2500 + tutorialOffset.y; // Adjusted position with offset
	self.addChild(backButton);
	// Back button functionality
	backButton.down = function (x, y, obj) {
		tween(backBg, {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100,
			easing: tween.easeOutQuad
		});
	};
	// Add grow and shrink animation to back button
	function animateBackButton() {
		tween(backBg, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(backBg, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: animateBackButton
				});
			}
		});
	}
	// Start the animation
	animateBackButton();
	backButton.up = function (x, y, obj) {
		tween(backBg, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.elasticOut,
			onFinish: function onFinish() {
				game.showTitleScreen();
			}
		});
	};
	// Add scroll indicator to show users the screen is scrollable
	var scrollIndicator = new Container();
	var arrowUp = LK.getAsset('highlight_attack', {
		anchorX: 0.5,
		anchorY: 0,
		width: 50,
		height: 30,
		alpha: 0.8
	});
	arrowUp.y = -35;
	scrollIndicator.addChild(arrowUp);
	var arrowDown = LK.getAsset('highlight_attack', {
		anchorX: 0.5,
		anchorY: 1,
		width: 50,
		height: 30,
		alpha: 0.8
	});
	arrowDown.y = 35;
	arrowDown.rotation = Math.PI;
	scrollIndicator.addChild(arrowDown);
	var indicatorText = new Text2("Scroll", {
		size: 40,
		fill: '#FFFFFF'
	});
	indicatorText.anchor.set(0.5, 0.5);
	scrollIndicator.addChild(indicatorText);
	scrollIndicator.x = 1950;
	scrollIndicator.y = 1366;
	self.addChild(scrollIndicator);
	// Animate scroll indicator to attract attention
	function animateScrollIndicator() {
		tween(scrollIndicator, {
			alpha: 0.3
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(scrollIndicator, {
					alpha: 1
				}, {
					duration: 1000,
					easing: tween.easeInOut,
					onFinish: animateScrollIndicator
				});
			}
		});
	}
	animateScrollIndicator();
	// Enhanced scroll functionality with momentum
	var scrollY = 0;
	self.scrollY = scrollY; // Expose scrollY as a property
	var scrollVelocity = 0;
	var maxScroll = 4000; // Reduced to prevent scrolling past content
	var isDragging = false;
	var lastY = 0;
	var lastTime = 0;
	self.down = function (x, y, obj) {
		lastY = y;
		lastTime = Date.now();
		scrollVelocity = 0;
		isDragging = true;
	};
	self.move = function (x, y, obj) {
		if (isDragging) {
			var currentTime = Date.now();
			var deltaTime = currentTime - lastTime;
			var deltaY = y - lastY;
			// Calculate velocity (pixels per millisecond)
			if (deltaTime > 0) {
				scrollVelocity = deltaY / deltaTime * 7.5; // Scale factor for better feel
			}
			scrollY -= deltaY;
			self.scrollY = scrollY; // Update property
			// Clamp scrolling with elastic effect
			if (scrollY < 0) {
				scrollY = scrollY * 0.5; // Resistance when pulling past top
			} else if (scrollY > maxScroll) {
				scrollY = maxScroll + (scrollY - maxScroll) * 0.5; // Resistance when pulling past bottom
			}
			// Apply scroll with offset vector
			scrollContainer.y = -scrollY + tutorialOffset.y;
			lastY = y;
			lastTime = currentTime;
		}
	};
	self.up = function (x, y, obj) {
		isDragging = false;
		// Apply elastic snapback if pulled past boundaries
		if (scrollY < 0) {
			tween(scrollContainer, {
				y: 0
			}, {
				duration: 300,
				easing: tween.elasticOut
			});
			scrollY = 0;
			self.scrollY = scrollY; // Update property
			scrollVelocity = 0;
		} else if (scrollY > maxScroll) {
			tween(scrollContainer, {
				y: -maxScroll
			}, {
				duration: 300,
				easing: tween.elasticOut
			});
			scrollY = maxScroll;
			self.scrollY = scrollY; // Update property
			scrollVelocity = 0;
		}
		// Apply momentum scrolling
		if (Math.abs(scrollVelocity) > 0.1) {
			applyScrollMomentum();
		}
	};
	// Handle momentum scrolling
	function applyScrollMomentum() {
		// Apply velocity with decay
		scrollY -= scrollVelocity * 10;
		scrollVelocity *= 0.95; // Decay factor
		// Boundary checking
		if (scrollY < 0) {
			scrollY = 0;
			self.scrollY = scrollY; // Update property
			scrollVelocity = 0;
		} else if (scrollY > maxScroll) {
			scrollY = maxScroll;
			self.scrollY = scrollY; // Update property
			scrollVelocity = 0;
		}
		// Apply scroll with offset vector
		scrollContainer.y = -scrollY + tutorialOffset.y;
		// Continue animation if velocity is significant
		if (Math.abs(scrollVelocity) > 0.1) {
			LK.setTimeout(applyScrollMomentum, 16); // ~60fps
		}
	}
	return self;
});
var Unit = Container.expand(function () {
	var self = Container.call(this);
	// Unit properties
	self.type = "";
	self.team = "";
	self.row = 0;
	self.col = 0;
	self.isKing = false;
	self.alive = true;
	self.selected = false;
	self.health = 100; // Base health for all units
	self.attackStrength = 20; // Base attack strength for all units
	// Initialize with type and team
	self.init = function (type, team, row, col) {
		self.type = type;
		self.team = team;
		self.row = row;
		self.col = col;
		self.isKing = type === 'king';
		// Set different health and attack values based on unit type
		switch (type) {
			case 'king':
				self.health = 250;
				self.attackStrength = 35;
				self.moveRange = Infinity; // Can move anywhere on the board
				self.attackRange = 1; // Can attack 1 tile forward
				break;
			case 'warrior':
				self.health = 280;
				self.attackStrength = 45;
				self.moveRange = 1; // Can move 1 tile in any direction
				self.attackRange = 1; // Can attack 1 tile forward
				break;
			case 'knight':
				self.health = 150;
				self.attackStrength = 40;
				self.moveRange = 3; // Can move up to 3 tiles horizontally or vertically
				self.attackRange = 2; // Can attack in movement range
				break;
			case 'wizard':
				self.health = 90;
				self.attackStrength = 60;
				self.moveRange = 2; // Can move up to 2 tiles in any direction
				self.attackRange = 3; // Attack 6 tiles ahead and surrounding
				break;
			case 'archer':
				self.health = 100;
				self.attackStrength = 50;
				self.moveRange = 1; // Can move sideways freely, 1 tile forward
				self.attackRange = 4; // Can attack up to 8 tiles ahead
				break;
		}
		var assetId = type + '_' + team;
		self.unitGraphic = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 1.0
		});
		return self;
	};
	// Movement validation
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		// Base movement logic to be overridden by specific unit types
		return false;
	};
	// Attack validation
	self.canAttack = function (targetRow, targetCol) {
		// Base attack logic that checks if target cell contains an opponent
		if (grid[targetRow][targetCol].occupied && grid[targetRow][targetCol].occupiedBy.team !== self.team) {
			return true;
		}
		return false;
	};
	// Get possible move cells
	self.getPossibleMoves = function (grid) {
		var moves = [];
		for (var r = 0; r < grid.length; r++) {
			for (var c = 0; c < grid[r].length; c++) {
				// Add occupation check here
				if (this.canMoveTo(r, c) && !grid[r][c].occupied) {
					moves.push({
						row: r,
						col: c
					});
				}
			}
		}
		return moves;
	};
	// Get possible attack cells
	self.getPossibleAttacks = function (grid) {
		var attacks = [];
		for (var r = 0; r < grid.length; r++) {
			for (var c = 0; c < grid[r].length; c++) {
				if (this.canAttack(r, c) && grid[r][c].occupied && grid[r][c].occupiedBy.team !== this.team) {
					attacks.push({
						row: r,
						col: c
					});
				}
			}
		}
		return attacks;
	};
	// Move unit to new position
	self.moveTo = function (targetRow, targetCol) {
		self.row = targetRow;
		self.col = targetCol;
	};
	// Select unit
	self.select = function () {
		self.selected = true;
		self.unitGraphic.alpha = 1.0;
	};
	// Deselect unit
	self.deselect = function () {
		self.selected = false;
		self.unitGraphic.alpha = 0.8;
	};
	return self;
});
var Wizard = Unit.expand(function () {
	var self = Unit.call(this);
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		return rowDiff <= 2 && colDiff <= 2;
	};
	// Override attack validation
	self.canAttack = function (targetRow, targetCol) {
		// Wizard can attack up to 3 tiles away in any direction
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		// Total distance (Manhattan distance) should be less than or equal to attack range
		return rowDiff + colDiff <= self.attackRange && !(rowDiff === 0 && colDiff === 0);
	};
	// Wizards do area damage
	self.isAreaAttacker = true;
	return self;
});
var Warrior = Unit.expand(function () {
	var self = Unit.call(this);
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		return rowDiff <= self.moveRange && colDiff <= self.moveRange && !(rowDiff === 0 && colDiff === 0);
	};
	// Override attack validation
	self.canAttack = function (targetRow, targetCol) {
		// Instant-kill attack (1 tile forward)
		if (self.team === 'blue') {
			return targetRow === self.row - self.attackRange && targetCol === self.col;
		} else {
			return targetRow === self.row + self.attackRange && targetCol === self.col;
		}
	};
	// Warriors have instant kill ability
	self.hasInstantKill = true;
	return self;
});
var Knight = Unit.expand(function () {
	var self = Unit.call(this);
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		return rowDiff === 0 && colDiff > 0 && colDiff <= self.moveRange || colDiff === 0 && rowDiff > 0 && rowDiff <= self.moveRange;
	};
	// Override attack validation
	self.canAttack = function (targetRow, targetCol) {
		// Knight can attack along the same paths as movement
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		return rowDiff === 0 && colDiff > 0 && colDiff <= self.attackRange || colDiff === 0 && rowDiff > 0 && rowDiff <= self.attackRange;
	};
	return self;
});
var King = Unit.expand(function () {
	var self = Unit.call(this);
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		return rowDiff > 0 || colDiff > 0;
	};
	// Override attack validation
	self.canAttack = function (targetRow, targetCol) {
		// King only attacks forward based on team direction and attack range
		var forwardRow = self.team === 'blue' ? self.row - self.attackRange : self.row + self.attackRange;
		return targetRow === forwardRow && targetCol === self.col;
	};
	return self;
});
var Archer = Unit.expand(function () {
	var self = Unit.call(this);
	self.canMoveTo = function (targetRow, targetCol) {
		if (grid[targetRow][targetCol].occupied) {
			return false;
		}
		var rowDiff = Math.abs(targetRow - self.row);
		var colDiff = Math.abs(targetCol - self.col);
		if (self.team === 'blue') {
			return colDiff > 0 && rowDiff === 0 || targetRow === self.row - self.moveRange && colDiff === 0;
		} else {
			return colDiff > 0 && rowDiff === 0 || targetRow === self.row + self.moveRange && colDiff === 0;
		}
	};
	// Override attack validation
	self.canAttack = function (targetRow, targetCol) {
		// Can attack any enemy in the line attackRange tiles forward
		if (self.team === 'blue') {
			// For blue team, attack any cell in the same column forward (up) within attack range
			return targetCol === self.col && targetRow < self.row && self.row - targetRow <= self.attackRange;
		} else {
			// For red team, attack any cell in the same column forward (down) within attack range
			return targetCol === self.col && targetRow > self.row && targetRow - self.row <= self.attackRange;
		}
	};
	return self;
});
// Vector2 class is now defined in the Classes section
var Vector2 = Container.expand(function () {
	var self = Container.call(this);
	self.init = function (x, y) {
		self.x = x || 0;
		self.y = y || 0;
		return self;
	};
	self.add = function (v) {
		return new Vector2().init(self.x + v.x, self.y + v.y);
	};
	self.subtract = function (v) {
		return new Vector2().init(self.x - v.x, self.y - v.y);
	};
	self.multiply = function (scalar) {
		return new Vector2().init(self.x * scalar, self.y * scalar);
	};
	self.clone = function () {
		return new Vector2().init(self.x, self.y);
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Attack highlight asset removed
// Add global vector for tutorial content positioning
// Import tween plugin
// Game constants
// Background image asset
var tutorialOffset = new Vector2().init(0, 0);
var dragNode = null; // Initialize dragNode for drag functionality
var GRID_ROWS = 10;
var GRID_COLS = 5;
var CELL_SIZE = 250; // Significantly increased cell size
var GRID_PADDING_X = (2048 - GRID_COLS * CELL_SIZE) / 2;
var GRID_PADDING_Y = (2732 - GRID_ROWS * CELL_SIZE) / 2;
// Game variables
// Initialize grid as a 2D array of empty objects to avoid undefined references
var grid = [];
for (var row = 0; row < GRID_ROWS; row++) {
	grid[row] = [];
	for (var col = 0; col < GRID_COLS; col++) {
		grid[row][col] = {};
	}
}
var units = [];
var selectedUnit = null;
var gameState = 'mainMenu'; // mainMenu, tutorial, settings, player1Turn, player2Turn, aiTurn, gameOver
var gameMode = null; // 'pvp' for player vs player, 'pvai' for player vs AI
var statusText = new Text2('Player Turn', {
	size: 120,
	// Significantly increased text size
	fill: 0xFFFFFF
});
// Screen instances
var titleScreen = new TitleScreen();
var tutorialScreen = new TutorialScreen();
var settingsScreen = new SettingsScreen();
var gameModeScreen = new GameModeScreen();
var difficultyWindow = new DifficultySelectWindow();
// Make settings screen accessible to the game object
game.settingsScreen = settingsScreen;
// Fix the global move handler to properly handle slider dragging
game.move = function (x, y, obj) {
	// If we have a dragNode (for character dragging), handle that
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
	// If we're in settings screen, handle movement
	if (settingsScreen && settingsScreen.parent && obj) {
		// No sliders to handle after removing AI difficulty slider
	}
};
// Create handleMove function
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
}
// Handle touch/mouse down state for sliders
game.down = function (x, y, obj) {
	// Only set dragNode if character exists and is defined
	if (typeof character !== 'undefined') {
		dragNode = character;
	} else {
		dragNode = null;
	}
	// Mark objects as being touched down
	if (obj && obj.down) {
		obj.__isTouchDown = true;
	}
	// Also call move handler right away to make effect instant
	if (handleMove) {
		handleMove(x, y, obj);
	}
};
// Handle touch/mouse up for sliders
game.up = function (x, y, obj) {
	// Original logic
	dragNode = null;
	// Reset touch down states
	if (settingsScreen && settingsScreen.parent) {
		// No sliders to reset after removing AI difficulty slider
	}
};
// Position screens at center
titleScreen.x = 1024;
titleScreen.y = 1366;
tutorialScreen.x = 0;
tutorialScreen.y = 0;
settingsScreen.x = 1024;
settingsScreen.y = 1366;
// Initialize the game board
function initializeGame() {
	// Add background image first so it's behind other elements
	var background = LK.getAsset('background', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	game.addChild(background);
	// First show the title screen instead of starting the game directly
	game.showTitleScreen();
	// Add status text (hidden initially, shown during gameplay)
	statusText.anchor.set(0.5, 0);
	statusText.x = 2048 / 2;
	statusText.y = 50;
	statusText.visible = false;
	LK.gui.top.addChild(statusText);
}
// Create all units for both teams
function createUnits() {
	// Blue team (player) - bottom of the board
	// Formation: Knight, Warrior, Warrior, Warrior, Knight (row 8)
	// Formation: Archer, Mage, King, Mage, Archer (row 9)
	createUnit('knight', 'blue', 8, 0);
	createUnit('warrior', 'blue', 8, 1);
	createUnit('warrior', 'blue', 8, 2);
	createUnit('warrior', 'blue', 8, 3);
	createUnit('knight', 'blue', 8, 4);
	createUnit('archer', 'blue', 9, 0);
	createUnit('wizard', 'blue', 9, 1);
	createUnit('king', 'blue', 9, 2);
	createUnit('wizard', 'blue', 9, 3);
	createUnit('archer', 'blue', 9, 4);
	// Red team (AI) - top of the board
	// Formation: Knight, Warrior, Warrior, Warrior, Knight (row 1)
	// Formation: Archer, Mage, King, Mage, Archer (row 0)
	createUnit('knight', 'red', 1, 0);
	createUnit('warrior', 'red', 1, 1);
	createUnit('warrior', 'red', 1, 2);
	createUnit('warrior', 'red', 1, 3);
	createUnit('knight', 'red', 1, 4);
	createUnit('archer', 'red', 0, 0);
	createUnit('wizard', 'red', 0, 1);
	createUnit('king', 'red', 0, 2);
	createUnit('wizard', 'red', 0, 3);
	createUnit('archer', 'red', 0, 4);
}
// Create a single unit
function createUnit(type, team, row, col) {
	var unit;
	// Create the appropriate unit type
	switch (type) {
		case 'king':
			unit = new King().init(type, team, row, col);
			break;
		case 'knight':
			unit = new Knight().init(type, team, row, col);
			break;
		case 'archer':
			unit = new Archer().init(type, team, row, col);
			break;
		case 'wizard':
			unit = new Wizard().init(type, team, row, col);
			break;
		case 'warrior':
			unit = new Warrior().init(type, team, row, col);
			break;
	}
	// Position unit
	unit.x = grid[row][col].x;
	unit.y = grid[row][col].y;
	unit.unitGraphic.alpha = 0.8;
	// Add health display
	unit.healthText = new Text2(unit.health.toString(), {
		size: 50,
		fill: 0xFFD700 // Golden yellow color for better visibility
	});
	unit.healthText.anchor.set(0.5, 0.5);
	unit.healthText.y = unit.unitGraphic.height / 2 + 10;
	unit.addChild(unit.healthText);
	// Add subtle entry animation
	unit.unitGraphic.scale.set(0.1);
	unit.unitGraphic.alpha = 0.3;
	// Add unit to game
	game.addChild(unit);
	units.push(unit);
	// Mark cell as occupied
	grid[row][col].occupied = true;
	grid[row][col].occupiedBy = unit;
	// Add click handler for units
	// For blue team: clickable during player 1's turn
	// For red team: clickable during player 2's turn if PvP mode or AI is disabled
	if (team === 'blue') {
		unit.down = function (x, y, obj) {
			if (game.gameState === 'player1Turn') {
				selectUnit(unit);
			}
		};
	} else if (team === 'red') {
		unit.down = function (x, y, obj) {
			if (game.gameState === 'player2Turn' && game.gameMode === 'pvp' || game.gameState === 'aiTurn' && !game.aiControlsRedTeam) {
				selectUnit(unit);
			}
		};
	}
	// Animate unit entry with enhanced effect
	tween(unit.unitGraphic, {
		scaleX: 1.0,
		scaleY: 1.0,
		alpha: 0.8
	}, {
		duration: 600,
		easing: tween.elasticOut,
		delay: 100 * (row + col) % 5 // Staggered appearance for visual interest
	});
	return unit;
}
// Get adjacent cells
function getAdjacentCells(row, col) {
	var adjacent = [];
	var directions = [{
		r: -1,
		c: 0
	}, {
		r: 1,
		c: 0
	}, {
		r: 0,
		c: -1
	}, {
		r: 0,
		c: 1
	}, {
		r: -1,
		c: -1
	}, {
		r: -1,
		c: 1
	}, {
		r: 1,
		c: -1
	}, {
		r: 1,
		c: 1
	}];
	for (var i = 0; i < directions.length; i++) {
		var newRow = row + directions[i].r;
		var newCol = col + directions[i].c;
		if (newRow >= 0 && newRow < GRID_ROWS && newCol >= 0 && newCol < GRID_COLS) {
			adjacent.push(grid[newRow][newCol]);
		}
	}
	return adjacent;
}
// Function to deal damage to a unit
function takeDamage(targetUnit, attackingUnit) {
	// Check if units exist
	if (!targetUnit || !attackingUnit) return;
	// Apply damage based on attacking unit's strength
	var damageAmount = attackingUnit.attackStrength;
	targetUnit.health -= damageAmount;
	// Update health display
	targetUnit.healthText.setText(targetUnit.health.toString());
	// Visual feedback for damage - more intense flash for higher damage
	var flashDuration = damageAmount > 40 ? 500 : 300;
	LK.effects.flashObject(targetUnit, 0xff0000, flashDuration);
	// Add damage number indicator
	var damageText = new Text2("-" + damageAmount, {
		size: 60,
		fill: '#FF0000'
	});
	damageText.anchor.set(0.5, 0.5);
	damageText.x = targetUnit.x;
	damageText.y = targetUnit.y - 50;
	game.addChild(damageText);
	// Animate damage text
	tween(damageText, {
		y: damageText.y - 100,
		alpha: 0
	}, {
		duration: 800,
		easing: tween.easeOutQuad,
		onFinish: function onFinish() {
			game.removeChild(damageText);
		}
	});
	// Check if unit is defeated
	if (targetUnit.health <= 0) {
		removeUnit(targetUnit);
	}
}
// Function to attack an opponent unit
function attackUnit(targetRow, targetCol) {
	if (!selectedUnit) return;
	// Check if there's a unit at the target position
	if (!grid[targetRow][targetCol].occupied) return;
	// Get the target unit
	var targetUnit = grid[targetRow][targetCol].occupiedBy;
	// Check if target is an enemy unit
	if (targetUnit.team === selectedUnit.team) return;
	// Check if the target is within attack range
	if (!selectedUnit.canAttack(targetRow, targetCol)) return;
	// Store original position
	var originalX = selectedUnit.x;
	var originalY = selectedUnit.y;
	// Calculate position halfway to target for attack animation
	var targetX = targetUnit.x;
	var targetY = targetUnit.y;
	var moveToX = originalX + (targetX - originalX) * 0.6;
	var moveToY = originalY + (targetY - originalY) * 0.6;
	// Animate unit moving toward target
	tween(selectedUnit, {
		x: moveToX,
		y: moveToY
	}, {
		duration: 200,
		easing: tween.easeOutQuad,
		onFinish: function onFinish() {
			// After moving toward target, animate back to original position
			tween(selectedUnit, {
				x: originalX,
				y: originalY
			}, {
				duration: 200,
				easing: tween.elasticOut,
				onFinish: function onFinish() {
					// Apply damage to the target based on attacking unit's attackStrength
					takeDamage(targetUnit, selectedUnit);
					// Handle area attacks for wizards
					if (selectedUnit.isAreaAttacker) {
						// Get adjacent cells and damage units in them
						var adjacentCells = getAdjacentCells(targetRow, targetCol);
						for (var i = 0; i < adjacentCells.length; i++) {
							var cell = adjacentCells[i];
							if (cell.occupied && cell.occupiedBy.team !== selectedUnit.team) {
								takeDamage(cell.occupiedBy, selectedUnit);
							}
						}
					}
					// Handle instant kill for warriors
					if (selectedUnit.hasInstantKill && !targetUnit.isKing) {
						removeUnit(targetUnit);
					}
					// Visual feedback for attack
					LK.effects.flashObject(selectedUnit, 0x00ff00, 300);
					// Show critical hit effect for attacks that deal significant damage
					if (selectedUnit.attackStrength > 40) {
						LK.effects.flashScreen(0xff0000, 200);
					}
				}
			});
		}
	});
	return true;
}
// Remove a unit from the game
function removeUnit(unit) {
	// Clear grid cell
	grid[unit.row][unit.col].occupied = false;
	grid[unit.row][unit.col].occupiedBy = null;
	// Remove from units array
	var index = units.indexOf(unit);
	if (index > -1) {
		units.splice(index, 1);
	}
	// Remove from display
	game.removeChild(unit);
	// Check for game over if a king was killed
	if (unit.isKing) {
		if (unit.team === 'blue') {
			endGame('red');
		} else {
			endGame('blue');
		}
	}
}
// Clear all highlights from the grid
function clearAllHighlights() {
	for (var row = 0; row < GRID_ROWS; row++) {
		for (var col = 0; col < GRID_COLS; col++) {
			grid[row][col].clearHighlight();
		}
	}
}
// Get all cells that the selected unit can attack
function getSelectedUnitAttacks() {
	if (!selectedUnit) return [];
	var attackableCells = [];
	for (var row = 0; row < GRID_ROWS; row++) {
		for (var col = 0; col < GRID_COLS; col++) {
			if (selectedUnit.canAttack(row, col)) {
				if (grid[row][col].occupied && grid[row][col].occupiedBy.team !== selectedUnit.team) {
					attackableCells.push(grid[row][col]);
				}
			}
		}
	}
	return attackableCells;
}
// Helper functions
game.getTeamUnits = function (team) {
	return units.filter(function (unit) {
		return unit.team === team;
	});
};
game.getKing = function (team) {
	for (var i = 0; i < units.length; i++) {
		if (units[i].isKing && units[i].team === team) {
			return units[i];
		}
	}
	return null;
};
game.grid = grid;
game.gameState = gameState;
game.getAdjacentCells = getAdjacentCells;
// Create a getter/setter for game state to ensure consistency
Object.defineProperty(game, 'gameState', {
	get: function get() {
		return gameState;
	},
	set: function set(value) {
		gameState = value;
	}
});
// Function to select a unit
function selectUnit(unit) {
	// Check if unit exists
	if (!unit) return;
	// Verify unit belongs to current controller's team based on game state
	var currentTeam;
	if (game.gameState === 'player1Turn') {
		currentTeam = 'blue';
	} else if (game.gameState === 'player2Turn' || game.gameState === 'aiTurn') {
		currentTeam = 'red';
	} else {
		return; // Not in a valid turn state
	}
	if (unit.team !== currentTeam) return;
	// Deselect previously selected unit if there is one
	if (selectedUnit) {
		selectedUnit.deselect();
	}
	// Select the new unit
	selectedUnit = unit;
	selectedUnit.select();
	// Clear all previous highlights
	clearAllHighlights();
	// Show possible moves
	var possibleMoves = selectedUnit.getPossibleMoves(grid);
	for (var i = 0; i < possibleMoves.length; i++) {
		var move = possibleMoves[i];
		grid[move.row][move.col].highlight('move');
	}
	// Show attackable cells
	var attackableCells = getSelectedUnitAttacks();
	for (var i = 0; i < attackableCells.length; i++) {
		attackableCells[i].highlight('attack');
	}
}
// Function to select a character if it belongs to the current controller's team
function selectCharacter(character, controller) {
	// Verify the character belongs to the controller's team
	if (character && controller && character.team === controller.team) {
		// Select the character
		if (selectedUnit) {
			selectedUnit.deselect();
		}
		selectedUnit = character;
		selectedUnit.select();
		// Clear all previous highlights
		clearAllHighlights();
		// Show possible moves
		var possibleMoves = selectedUnit.getPossibleMoves(grid);
		for (var i = 0; i < possibleMoves.length; i++) {
			var move = possibleMoves[i];
			grid[move.row][move.col].highlight('move');
		}
		// Show attackable cells
		var attackableCells = getSelectedUnitAttacks();
		for (var i = 0; i < attackableCells.length; i++) {
			attackableCells[i].highlight('attack');
		}
		return true; // Successfully selected
	}
	return false; // Could not select (wrong team)
}
// Function to update tutorial position
game.updateTutorialPosition = function (x, y) {
	// Update the offset vector
	tutorialOffset.x = x || tutorialOffset.x;
	tutorialOffset.y = y || tutorialOffset.y;
	// Update positions if tutorial is active
	if (tutorialScreen && tutorialScreen.parent) {
		// Update main container position
		tutorialScreen.scrollContainer.x = 1024 + tutorialOffset.x;
		tutorialScreen.scrollContainer.y = -tutorialScreen.scrollY + tutorialOffset.y;
		// Update back button position
		var backButton = tutorialScreen.children[tutorialScreen.children.length - 2]; // Back button is second to last child
		backButton.x = 200 + tutorialOffset.x;
		backButton.y = 2500 + tutorialOffset.y;
		// Update scroll indicator position
		var scrollIndicator = tutorialScreen.children[tutorialScreen.children.length - 1]; // Scroll indicator is last child
		scrollIndicator.x = 1950 + tutorialOffset.x;
		scrollIndicator.y = 1366 + tutorialOffset.y;
	}
};
// Show difficulty selection window
game.showDifficultyWindow = function () {
	game.addChild(difficultyWindow);
};
// Close difficulty selection window
game.closeDifficultyWindow = function () {
	game.removeChild(difficultyWindow);
};
// Screen management functions
game.showTitleScreen = function () {
	// Clear any existing game elements
	game.removeAllGameElements();
	// Show title screen
	game.addChild(titleScreen);
	game.removeChild(tutorialScreen);
	game.removeChild(settingsScreen);
	game.removeChild(gameModeScreen);
	// Hide status text during main menu
	statusText.visible = false;
	// Set game state
	gameState = 'mainMenu';
	// Animate title to top third of screen
	var logo = titleScreen.children[0];
	var titleText = titleScreen.children[1];
	// Animate logo
	tween(logo, {
		y: -500
	}, {
		duration: 800,
		easing: tween.elasticOut
	});
	// Animate title text
	tween(titleText, {
		y: 800
	}, {
		duration: 800,
		easing: tween.elasticOut
	});
};
game.showTutorial = function () {
	// Show tutorial screen
	game.removeChild(titleScreen);
	game.addChild(tutorialScreen);
	game.removeChild(settingsScreen);
	game.removeChild(gameModeScreen);
	// Set game state
	gameState = 'tutorial';
};
game.showSettings = function () {
	// Show settings screen
	game.removeChild(titleScreen);
	game.removeChild(tutorialScreen);
	game.removeChild(gameModeScreen);
	game.addChild(settingsScreen);
	// Set game state
	gameState = 'settings';
};
game.showGameModeScreen = function () {
	// Show game mode selection screen
	game.removeChild(titleScreen);
	game.removeChild(tutorialScreen);
	game.removeChild(settingsScreen);
	game.addChild(gameModeScreen);
	// Center the screen
	gameModeScreen.x = 1024;
	gameModeScreen.y = 1366;
	// Set game state
	gameState = 'gameMode';
};
game.startGame = function () {
	// Clear screens
	game.removeChild(titleScreen);
	game.removeChild(tutorialScreen);
	game.removeChild(settingsScreen);
	game.removeChild(gameModeScreen);
	// Set default game mode if not already set
	if (game.gameMode === undefined || game.gameMode === null) {
		game.gameMode = 'pvai'; // Default to Player vs AI
	}
	// Set default AI difficulty if not already set
	if (game.aiDifficulty === undefined) {
		game.aiDifficulty = 0.3; // Default to easy
	}
	// Ensure aiControlsRedTeam is set properly
	if (game.aiControlsRedTeam === undefined) {
		game.aiControlsRedTeam = game.gameMode === 'pvai'; // Only let AI control red team in PvAI mode
	}
	// Initialize player controllers
	game.player1Controller = new PlayerController1();
	game.player1Controller.team = 'blue';
	if (game.gameMode === 'pvp') {
		game.player2Controller = new PlayerController1();
		game.player2Controller.team = 'red';
	}
	// Initialize the game grid
	for (var row = 0; row < GRID_ROWS; row++) {
		grid[row] = [];
		for (var col = 0; col < GRID_COLS; col++) {
			var cell = new GridCell();
			cell.row = row;
			cell.col = col;
			cell.x = GRID_PADDING_X + col * CELL_SIZE + CELL_SIZE / 2;
			cell.y = GRID_PADDING_Y + row * CELL_SIZE + CELL_SIZE / 2;
			// Alternate cell colors
			if ((row + col) % 2 === 0) {
				cell.removeChild(cell.children[0]); // Remove default graphic
				cell.attachAsset('grid_cell_dark', {
					anchorX: 0.5,
					anchorY: 0.5,
					alpha: 0.5
				});
			}
			grid[row][col] = cell;
			game.addChild(cell);
		}
	}
	// Create units
	createUnits();
	// Show status text during gameplay
	statusText.visible = true;
	// Set game state to player 1's turn
	gameState = 'player1Turn';
	statusText.setText('Player 1 Turn');
	// Deselect any selected unit
	selectedUnit = null;
	// Clear all highlights
	clearAllHighlights();
};
// Remove all game elements (grid cells and units)
game.removeAllGameElements = function () {
	// Remove grid cells if they exist
	for (var row = 0; row < grid.length; row++) {
		for (var col = 0; col < grid[row].length; col++) {
			if (grid[row][col]) {
				game.removeChild(grid[row][col]);
			}
		}
	}
	// Remove units
	for (var i = 0; i < units.length; i++) {
		game.removeChild(units[i]);
	}
	// Reset game variables and re-initialize grid as empty objects to avoid undefined references
	grid = [];
	for (var row = 0; row < GRID_ROWS; row++) {
		grid[row] = [];
		for (var col = 0; col < GRID_COLS; col++) {
			grid[row][col] = {};
		}
	}
	units = [];
	selectedUnit = null;
};
// Initialize game
initializeGame();
// Handle cell click to move units and manage turns
game.handleCellClick = function (cell) {
	if (!selectedUnit) return;
	// Check if this is a valid attack
	if (cell.highlighted && cell.highlightType === 'attack') {
		// Get the target unit
		var targetUnit = grid[cell.row][cell.col].occupiedBy;
		if (targetUnit && targetUnit.team !== selectedUnit.team) {
			// Attack the unit in this cell
			var attacked = attackUnit(cell.row, cell.col);
			if (attacked) {
				// Play attack sound effect
				LK.effects.flashObject(targetUnit, 0xff0000, 400);
				// After attack, switch turns
				switchTurns();
				return;
			}
		}
	}
	// Check if this is a valid move
	if (cell.highlighted && cell.highlightType === 'move') {
		// Move the selected unit
		moveSelectedUnit(cell.row, cell.col);
		// After move, switch turns
		switchTurns();
	}
};
// Function to switch turns based on game mode
function switchTurns() {
	if (game.gameState === 'player1Turn') {
		if (game.gameMode === 'pvp') {
			// Switch to player 2's turn
			gameState = 'player2Turn';
			statusText.setText('Player 2 Turn');
		} else {
			// Switch to AI turn
			gameState = 'aiTurn';
			statusText.setText('AI Turn');
		}
	} else if (game.gameState === 'player2Turn') {
		// Switch to player 1's turn
		gameState = 'player1Turn';
		statusText.setText('Player 1 Turn');
	} else if (game.gameState === 'aiTurn') {
		// Switch to player 1's turn
		gameState = 'player1Turn';
		statusText.setText('Player 1 Turn');
	}
	// Clear selection and highlights after turn switch
	if (selectedUnit) {
		selectedUnit.deselect();
		selectedUnit = null;
	}
	clearAllHighlights();
}
// Function to move selected unit to a new position
function moveSelectedUnit(targetRow, targetCol) {
	if (!selectedUnit) return;
	// Update grid occupancy
	grid[selectedUnit.row][selectedUnit.col].occupied = false;
	grid[selectedUnit.row][selectedUnit.col].occupiedBy = null;
	// Update unit position
	selectedUnit.row = targetRow;
	selectedUnit.col = targetCol;
	// Update grid with new position
	grid[targetRow][targetCol].occupied = true;
	grid[targetRow][targetCol].occupiedBy = selectedUnit;
	// Move unit visually with animation
	tween(selectedUnit, {
		x: grid[targetRow][targetCol].x,
		y: grid[targetRow][targetCol].y
	}, {
		duration: 300,
		easing: tween.easeOutQuad
	});
}

===================================================================
--- original.js
+++ change.js
@@ -1234,9 +1234,12 @@
 		return false;
 	};
 	// Attack validation
 	self.canAttack = function (targetRow, targetCol) {
-		// Base attack logic to be overridden by specific unit types
+		// Base attack logic that checks if target cell contains an opponent
+		if (grid[targetRow][targetCol].occupied && grid[targetRow][targetCol].occupiedBy.team !== self.team) {
+			return true;
+		}
 		return false;
 	};
 	// Get possible move cells
 	self.getPossibleMoves = function (grid) {
@@ -1427,13 +1430,13 @@
 
 /**** 
 * Game Code
 ****/ 
-// Background image asset
-// Game constants
-// Import tween plugin
-// Add global vector for tutorial content positioning
 // Attack highlight asset removed
+// Add global vector for tutorial content positioning
+// Import tween plugin
+// Game constants
+// Background image asset
 var tutorialOffset = new Vector2().init(0, 0);
 var dragNode = null; // Initialize dragNode for drag functionality
 var GRID_ROWS = 10;
 var GRID_COLS = 5;