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

/**** 
* Classes
****/ 
var Achievement = Container.expand(function (achievementData) {
	var self = Container.call(this);
	// Background
	var bgGraphics = self.attachAsset('menuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.6,
		scaleY: 0.3,
		alpha: 0.9
	});
	// Title text
	var titleText = new Text2('Achievement Unlocked!', {
		size: 36,
		fill: 0xFFD700
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 0;
	titleText.y = -30;
	self.addChild(titleText);
	// Achievement name
	var nameText = new Text2(achievementData.name, {
		size: 28,
		fill: 0xFFFFFF
	});
	nameText.anchor.set(0.5, 0.5);
	nameText.x = 0;
	nameText.y = 0;
	self.addChild(nameText);
	// Achievement description
	var descText = new Text2(achievementData.description, {
		size: 22,
		fill: 0xCCCCCC
	});
	descText.anchor.set(0.5, 0.5);
	descText.x = 0;
	descText.y = 25;
	self.addChild(descText);
	self.show = function () {
		self.alpha = 0;
		self.scaleX = 0.5;
		self.scaleY = 0.5;
		self.visible = true;
		tween(self, {
			alpha: 1,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 300,
			easing: tween.easeOut
		});
		// Auto hide after 3 seconds
		LK.setTimeout(function () {
			tween(self, {
				alpha: 0,
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 200,
				onFinish: function onFinish() {
					self.visible = false;
				}
			});
		}, 3000);
	};
	// Initially hidden
	self.visible = false;
	return self;
});
var AchievementMenu = Container.expand(function () {
	var self = Container.call(this);
	self.isVisible = false;
	// Background
	var bgGraphics = self.attachAsset('menuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.9,
		scaleX: 1.2,
		scaleY: 3.0
	});
	// Title text
	var titleText = new Text2('Achievements', {
		size: 48,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 0;
	titleText.y = -300;
	self.addChild(titleText);
	// Close button
	var closeButton = self.attachAsset('closeButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeButton.x = 350;
	closeButton.y = -300;
	// Achievement list container
	var achievementList = new Container();
	self.addChild(achievementList);
	// Page navigation buttons
	var prevPageButton = self.attachAsset('menuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.8,
		scaleX: 0.8,
		scaleY: 0.5
	});
	prevPageButton.x = -200;
	prevPageButton.y = 300;
	var prevPageText = new Text2('PREV', {
		size: 28,
		fill: 0xFFFFFF
	});
	prevPageText.anchor.set(0.5, 0.5);
	prevPageText.x = -200;
	prevPageText.y = 300;
	self.addChild(prevPageText);
	var nextPageButton = self.attachAsset('menuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.8,
		scaleX: 0.8,
		scaleY: 0.5
	});
	nextPageButton.x = 200;
	nextPageButton.y = 300;
	var nextPageText = new Text2('NEXT', {
		size: 28,
		fill: 0xFFFFFF
	});
	nextPageText.anchor.set(0.5, 0.5);
	nextPageText.x = 200;
	nextPageText.y = 300;
	self.addChild(nextPageText);
	// Page indicator text
	var pageIndicatorText = new Text2('', {
		size: 24,
		fill: 0xCCCCCC
	});
	pageIndicatorText.anchor.set(0.5, 0.5);
	pageIndicatorText.x = 0;
	pageIndicatorText.y = 300;
	self.addChild(pageIndicatorText);
	self.updateAchievements = function () {
		// Clear existing achievement displays
		while (achievementList.children.length > 0) {
			achievementList.removeChild(achievementList.children[0]);
		}
		// Get all achievement IDs as array for pagination
		var allAchievementIds = [];
		for (var achievementId in achievementDefinitions) {
			allAchievementIds.push(achievementId);
		}
		// Calculate pagination
		var totalPages = Math.ceil(allAchievementIds.length / achievementsPerPage);
		var startIndex = currentAchievementPage * achievementsPerPage;
		var endIndex = Math.min(startIndex + achievementsPerPage, allAchievementIds.length);
		// Update page indicator
		pageIndicatorText.setText('Page ' + (currentAchievementPage + 1) + ' of ' + totalPages);
		// Update button visibility
		prevPageButton.alpha = currentAchievementPage > 0 ? 0.8 : 0.3;
		prevPageText.fill = currentAchievementPage > 0 ? 0xFFFFFF : 0x666666;
		nextPageButton.alpha = currentAchievementPage < totalPages - 1 ? 0.8 : 0.3;
		nextPageText.fill = currentAchievementPage < totalPages - 1 ? 0xFFFFFF : 0x666666;
		var yOffset = -200;
		var achievementIndex = 0;
		// Display achievements for current page
		for (var i = startIndex; i < endIndex; i++) {
			var achievementId = allAchievementIds[i];
			var achievement = achievementDefinitions[achievementId];
			var isUnlocked = achievements[achievementId] || false;
			// Achievement container
			var achievementContainer = new Container();
			achievementContainer.y = yOffset + achievementIndex * 80;
			// Achievement background
			var achievementBg = achievementContainer.attachAsset('menuButton', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: isUnlocked ? 0.8 : 0.3,
				scaleX: 2.8,
				scaleY: 0.6
			});
			// Achievement name
			var nameText = new Text2(achievement.name, {
				size: 32,
				fill: isUnlocked ? 0xFFD700 : 0x888888
			});
			nameText.anchor.set(0.5, 0.5);
			nameText.x = 0;
			nameText.y = -15;
			achievementContainer.addChild(nameText);
			// Achievement description
			var descText = new Text2(achievement.description, {
				size: 24,
				fill: isUnlocked ? 0xFFFFFF : 0x666666
			});
			descText.anchor.set(0.5, 0.5);
			descText.x = 0;
			descText.y = 10;
			achievementContainer.addChild(descText);
			// Status text
			var statusText = new Text2(isUnlocked ? 'UNLOCKED' : 'LOCKED', {
				size: 20,
				fill: isUnlocked ? 0x00FF00 : 0xFF4444
			});
			statusText.anchor.set(1, 0.5);
			statusText.x = 150;
			statusText.y = 0;
			achievementContainer.addChild(statusText);
			achievementList.addChild(achievementContainer);
			achievementIndex++;
		}
	};
	// Page navigation interactions
	prevPageButton.down = function (x, y, obj) {
		if (currentAchievementPage > 0) {
			prevPageButton.alpha = 1.0;
			currentAchievementPage--;
			self.updateAchievements();
		}
	};
	prevPageButton.up = function (x, y, obj) {
		prevPageButton.alpha = currentAchievementPage > 0 ? 0.8 : 0.3;
	};
	nextPageButton.down = function (x, y, obj) {
		var totalPages = Math.ceil(Object.keys(achievementDefinitions).length / achievementsPerPage);
		if (currentAchievementPage < totalPages - 1) {
			nextPageButton.alpha = 1.0;
			currentAchievementPage++;
			self.updateAchievements();
		}
	};
	nextPageButton.up = function (x, y, obj) {
		var totalPages = Math.ceil(Object.keys(achievementDefinitions).length / achievementsPerPage);
		nextPageButton.alpha = currentAchievementPage < totalPages - 1 ? 0.8 : 0.3;
	};
	// Close button interaction
	closeButton.down = function (x, y, obj) {
		closeButton.alpha = 0.7;
		self.hide();
	};
	closeButton.up = function (x, y, obj) {
		closeButton.alpha = 1.0;
	};
	self.show = function () {
		self.isVisible = true;
		currentAchievementPage = 0; // Reset to first page when opening
		self.updateAchievements();
		self.alpha = 0;
		self.visible = true;
		tween(self, {
			alpha: 1
		}, {
			duration: 200
		});
	};
	self.hide = function () {
		self.isVisible = false;
		tween(self, {
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				self.visible = false;
			}
		});
	};
	// Initially hidden
	self.visible = false;
	return self;
});
var Block = Container.expand(function (blockType) {
	var self = Container.call(this);
	self.blockType = blockType;
	self.gridX = 0;
	self.gridY = 0;
	var blockGraphics = self.attachAsset(blockType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add a subtle border effect
	blockGraphics.alpha = 0.9;
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	return self;
});
var BlockSelectionMenu = Container.expand(function () {
	var self = Container.call(this);
	self.isVisible = false;
	// Background
	var bgGraphics = self.attachAsset('menuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.9,
		scaleY: 4.0
	});
	// Title text
	var titleText = new Text2('Select Block Type', {
		size: 48,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 0;
	titleText.y = -400;
	self.addChild(titleText);
	// Close button
	var closeButton = self.attachAsset('closeButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeButton.x = 280;
	closeButton.y = -400;
	// Block selection buttons
	self.menuButtons = [];
	var allBlockTypes = Object.keys(inventory);
	var buttonsPerRow = 3;
	var buttonSpacing = 160;
	for (var i = 0; i < allBlockTypes.length; i++) {
		var button = new Container();
		// Button background
		var buttonBg = button.attachAsset('menuButton', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8
		});
		// Block preview
		var blockPreview = button.attachAsset(allBlockTypes[i], {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.9,
			scaleY: 0.9
		});
		// Block name text
		var nameText = new Text2(allBlockTypes[i], {
			size: 26,
			fill: 0xFFFFFF
		});
		nameText.anchor.set(0.5, 0);
		nameText.x = 0;
		nameText.y = 45;
		button.addChild(nameText);
		// Inventory count text
		var countText = new Text2(inventory[allBlockTypes[i]].toString(), {
			size: 24,
			fill: 0xFFDD44
		});
		countText.anchor.set(0.5, 0);
		countText.x = 0;
		countText.y = 65;
		button.addChild(countText);
		// Position button
		var col = i % buttonsPerRow;
		var row = Math.floor(i / buttonsPerRow);
		button.x = (col - 1) * buttonSpacing;
		button.y = row * buttonSpacing - 30;
		// Store button data
		button.blockType = allBlockTypes[i];
		button.bgGraphics = buttonBg;
		button.countText = countText;
		// Button interaction
		button.down = function (x, y, obj) {
			this.bgGraphics.alpha = 1.0;
			selectedBlockType = this.blockType;
			updateToolbarSelection();
			self.hide();
		};
		button.up = function (x, y, obj) {
			this.bgGraphics.alpha = 0.8;
		};
		self.menuButtons.push(button);
		self.addChild(button);
	}
	// Close button interaction
	closeButton.down = function (x, y, obj) {
		closeButton.alpha = 0.7;
		self.hide();
	};
	closeButton.up = function (x, y, obj) {
		closeButton.alpha = 1.0;
	};
	self.show = function () {
		self.isVisible = true;
		self.alpha = 0;
		self.visible = true;
		tween(self, {
			alpha: 1
		}, {
			duration: 200
		});
	};
	self.hide = function () {
		self.isVisible = false;
		tween(self, {
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				self.visible = false;
			}
		});
	};
	self.updateInventoryCounts = function () {
		for (var i = 0; i < self.menuButtons.length; i++) {
			var button = self.menuButtons[i];
			if (button.countText && button.blockType) {
				button.countText.setText(inventory[button.blockType].toString());
			}
		}
	};
	// Initially hidden
	self.visible = false;
	return self;
});
var Character = Container.expand(function () {
	var self = Container.call(this);
	var characterGraphics = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.gridX = 0;
	self.gridY = 0;
	self.targetX = 0;
	self.targetY = 0;
	self.isMoving = false;
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.targetX = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.targetY = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
		if (!self.isMoving) {
			self.x = self.targetX;
			self.y = self.targetY;
		}
	};
	self.moveToGrid = function (gridX, gridY) {
		if (self.isMoving) return false;
		if (!isValidGridPosition(gridX, gridY)) return false;
		// Check if there's a block at the target position (only block movement if not flying)
		if (!isFlying && grid[gridX] && grid[gridX][gridY] !== null) return false;
		self.isMoving = true;
		self.gridX = gridX;
		self.gridY = gridY;
		self.targetX = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.targetY = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
		// Reset gravity when manually moving (especially important in flying mode)
		if (isFlying) {
			characterGravity = 0;
		}
		// Adjust movement speed based on flying state
		var moveDuration = isFlying ? 100 : 200;
		tween(self, {
			x: self.targetX,
			y: self.targetY
		}, {
			duration: moveDuration,
			easing: isFlying ? tween.easeOut : tween.easeInOut,
			onFinish: function onFinish() {
				self.isMoving = false;
				// Track movement for achievements
				moveCount++;
				storage.moveCount = moveCount;
				// Track jumping (moving up) for boooing achievement
				if (gridY < self.gridY) {
					jumpCount++;
					storage.jumpCount = jumpCount;
				}
				checkAllAchievements();
			}
		});
		return true;
	};
	self.update = function () {
		// Reset gravity when flying - do this first
		if (isFlying) {
			characterGravity = 0;
		} else {
			// Apply gravity if character is not moving, not supported, and not flying
			if (!self.isMoving) {
				var hasSupport = false;
				// Check if character has support below (block or ground)
				var belowY = self.gridY + 1;
				if (belowY >= GRID_HEIGHT) {
					// At bottom of world, has support
					hasSupport = true;
				} else if (grid[self.gridX] && grid[self.gridX][belowY] !== null) {
					// Block below, has support
					hasSupport = true;
				}
				if (!hasSupport) {
					// Character should fall
					characterGravity += characterGravityAcceleration;
					if (characterGravity > characterMaxFallSpeed) {
						characterGravity = characterMaxFallSpeed;
					}
					// Find where character should fall to
					var fallToY = self.gridY;
					for (var checkY = self.gridY + 1; checkY < GRID_HEIGHT; checkY++) {
						if (grid[self.gridX][checkY] !== null) {
							break;
						}
						fallToY = checkY;
					}
					// Move character down if there's a place to fall
					if (fallToY > self.gridY) {
						var targetY = Math.min(fallToY, self.gridY + Math.floor(characterGravity));
						if (targetY !== self.gridY) {
							self.moveToGrid(self.gridX, targetY);
						}
					}
				} else {
					// Character has support, reset gravity
					characterGravity = 0;
				}
			}
		}
		// Check if character is touching a portal
		if (!self.isMoving) {
			for (var i = 0; i < placedBlocks.length; i++) {
				var block = placedBlocks[i];
				if (block.blockType === 'portal' && block.gridX === self.gridX && block.gridY === self.gridY) {
					block.teleportCharacter();
					break;
				}
			}
		}
		// Character is always on top
		if (self.parent) {
			var parent = self.parent;
			parent.removeChild(self);
			parent.addChild(self);
		}
	};
	return self;
});
var ControlButton = Container.expand(function (direction) {
	var self = Container.call(this);
	self.direction = direction;
	var bgGraphics = self.attachAsset('controlBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	var arrowGraphics = self.attachAsset('arrow' + direction.charAt(0).toUpperCase() + direction.slice(1), {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.7,
		scaleY: 0.7
	});
	self.down = function (x, y, obj) {
		bgGraphics.alpha = 1.0;
		var newX = character.gridX;
		var newY = character.gridY;
		if (direction === 'up') newY--;else if (direction === 'down') newY++;else if (direction === 'left') newX--;else if (direction === 'right') newX++;
		character.moveToGrid(newX, newY);
	};
	self.up = function (x, y, obj) {
		bgGraphics.alpha = 0.7;
	};
	return self;
});
var GridCell = Container.expand(function () {
	var self = Container.call(this);
	var cellGraphics = self.attachAsset('gridCell', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.1
	});
	self.gridX = 0;
	self.gridY = 0;
	self.isEmpty = true;
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	self.highlight = function () {
		cellGraphics.alpha = 0.3;
	};
	self.unhighlight = function () {
		cellGraphics.alpha = 0.1;
	};
	return self;
});
var Lava = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'lava';
	self.gridX = 0;
	self.gridY = 0;
	self.isFlowing = false;
	self.flowCooldown = 0;
	self.damageTimer = 0;
	var lavaGraphics = self.attachAsset('lava', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add glowing effect
	lavaGraphics.alpha = 0.9;
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	self.update = function () {
		// Pulsing glow effect
		lavaGraphics.alpha = 0.8 + Math.sin(LK.ticks * 0.15) * 0.15;
		lavaGraphics.tint = 0xff4500 + Math.floor(Math.sin(LK.ticks * 0.1) * 20) * 0x010000;
		// Handle damage to character
		if (character && character.gridX === self.gridX && character.gridY === self.gridY && !character.isMoving) {
			self.damageTimer++;
			if (self.damageTimer >= 60) {
				// 1 second of contact
				// Flash character red and teleport away from lava
				LK.effects.flashObject(character, 0xff0000, 500);
				LK.effects.flashScreen(0xff0000, 300);
				// Move character to nearest safe position
				self.teleportCharacterToSafety();
				self.damageTimer = 0;
			}
		} else {
			self.damageTimer = 0;
		}
		// Lava flowing mechanics disabled - no spreading
		// if (self.flowCooldown > 0) {
		// 	self.flowCooldown--;
		// } else {
		// 	self.tryToFlow();
		// 	self.flowCooldown = 120; // Flow every 2 seconds
		// }
	};
	self.teleportCharacterToSafety = function () {
		// Find nearest safe position
		var safePositions = [];
		for (var radius = 1; radius <= 5; radius++) {
			for (var dx = -radius; dx <= radius; dx++) {
				for (var dy = -radius; dy <= radius; dy++) {
					var checkX = self.gridX + dx;
					var checkY = self.gridY + dy;
					if (isValidGridPosition(checkX, checkY) && grid[checkX][checkY] === null) {
						// Check if position has ground support below
						var hasSupport = false;
						if (checkY + 1 >= GRID_HEIGHT) {
							hasSupport = true;
						} else if (grid[checkX][checkY + 1] !== null && grid[checkX][checkY + 1].blockType !== 'lava') {
							hasSupport = true;
						}
						if (hasSupport) {
							safePositions.push({
								x: checkX,
								y: checkY
							});
						}
					}
				}
			}
			if (safePositions.length > 0) break;
		}
		if (safePositions.length > 0) {
			var safePos = safePositions[0]; // Take closest safe position
			character.setGridPosition(safePos.x, safePos.y);
		}
	};
	self.tryToFlow = function () {
		// Lava flows down first, then horizontally
		var flowDirections = [{
			x: 0,
			y: 1
		},
		// Down
		{
			x: -1,
			y: 0
		},
		// Left
		{
			x: 1,
			y: 0
		},
		// Right
		{
			x: -1,
			y: 1
		},
		// Down-left
		{
			x: 1,
			y: 1
		} // Down-right
		];
		for (var i = 0; i < flowDirections.length; i++) {
			var dir = flowDirections[i];
			var targetX = self.gridX + dir.x;
			var targetY = self.gridY + dir.y;
			if (isValidGridPosition(targetX, targetY) && grid[targetX][targetY] === null) {
				// Only flow if there are less than 3 lava blocks already
				var nearbyLavaCount = 0;
				for (var checkX = targetX - 1; checkX <= targetX + 1; checkX++) {
					for (var checkY = targetY - 1; checkY <= targetY + 1; checkY++) {
						if (isValidGridPosition(checkX, checkY) && grid[checkX][checkY] !== null && grid[checkX][checkY].blockType === 'lava') {
							nearbyLavaCount++;
						}
					}
				}
				if (nearbyLavaCount < 3) {
					// Create new lava block
					var newLava = new Lava();
					newLava.setGridPosition(targetX, targetY);
					game.addChild(newLava);
					grid[targetX][targetY] = newLava;
					placedBlocks.push(newLava);
					LK.effects.flashObject(newLava, 0xffff00, 300);
					break;
				}
			}
		}
	};
	return self;
});
var Portal = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'portal';
	self.gridX = 0;
	self.gridY = 0;
	self.isActive = true;
	self.cooldownTime = 0;
	var portalGraphics = self.attachAsset('portal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add glowing effect
	portalGraphics.alpha = 0.8;
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	self.teleportCharacter = function () {
		if (!self.isActive || self.cooldownTime > 0) return false;
		if (!character || character.isMoving) return false;
		// Find all other active portals
		var otherPortals = [];
		for (var i = 0; i < placedBlocks.length; i++) {
			var block = placedBlocks[i];
			if (block !== self && block.blockType === 'portal' && block.isActive && block.cooldownTime <= 0) {
				otherPortals.push(block);
			}
		}
		if (otherPortals.length === 0) {
			// No other portals available - teleport to heaven!
			// Create heaven effect with golden background and clouds
			game.setBackgroundColor(0xFFD700); // Golden sky
			// Flash screen with heavenly light
			LK.effects.flashScreen(0xFFFFFF, 2000);
			// Teleport character to top of world center
			var heavenX = Math.floor(GRID_WIDTH / 2);
			var heavenY = 0; // Top of the world
			character.setGridPosition(heavenX, heavenY);
			// Add visual effects
			LK.effects.flashObject(self, 0xFFD700, 1000);
			LK.effects.flashObject(character, 0xFFFFFF, 1000);
			// Play portal sound
			LK.getSound('portal').play();
			// Set cooldown
			self.cooldownTime = 300; // 5 seconds cooldown
			// Reset background after effect
			LK.setTimeout(function () {
				game.setBackgroundColor(0x87CEEB); // Back to sky blue
			}, 3000);
			return true;
		}
		// Choose random portal to teleport to
		var targetPortal = otherPortals[Math.floor(Math.random() * otherPortals.length)];
		// Teleport character
		character.setGridPosition(targetPortal.gridX, targetPortal.gridY);
		// Add visual effects
		LK.effects.flashObject(self, 0x9400d3, 500);
		LK.effects.flashObject(targetPortal, 0x9400d3, 500);
		LK.effects.flashObject(character, 0x00ffff, 300);
		// Play portal sound
		LK.getSound('portal').play();
		// Set cooldown for both portals
		self.cooldownTime = 180; // 3 seconds at 60fps
		targetPortal.cooldownTime = 180;
		return true;
	};
	self.update = function () {
		// Handle cooldown
		if (self.cooldownTime > 0) {
			self.cooldownTime--;
			portalGraphics.alpha = 0.3 + self.cooldownTime / 180 * 0.5;
		} else {
			portalGraphics.alpha = 0.8 + Math.sin(LK.ticks * 0.1) * 0.2; // Pulsing effect
		}
		// Check if character is on portal
		if (character && character.gridX === self.gridX && character.gridY === self.gridY && !character.isMoving) {
			self.teleportCharacter();
		}
	};
	return self;
});
var Sand = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'sand';
	self.gridX = 0;
	self.gridY = 0;
	self.isFalling = false;
	self.fallSpeed = 0;
	self.maxFallSpeed = 8;
	self.fallAcceleration = 0.8;
	var sandGraphics = self.attachAsset('sand', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	self.update = function () {
		// Check if sand should fall
		if (!self.isFalling) {
			var hasSupport = false;
			var belowY = self.gridY + 1;
			// Check if at bottom or has block below
			if (belowY >= GRID_HEIGHT) {
				hasSupport = true;
			} else if (grid[self.gridX] && grid[self.gridX][belowY] !== null) {
				hasSupport = true;
			}
			// Start falling if no support
			if (!hasSupport) {
				self.isFalling = true;
				self.fallSpeed = 0;
			}
		}
		// Handle falling physics
		if (self.isFalling) {
			self.fallSpeed += self.fallAcceleration;
			if (self.fallSpeed > self.maxFallSpeed) {
				self.fallSpeed = self.maxFallSpeed;
			}
			// Calculate new grid position
			var newGridY = self.gridY + Math.floor(self.fallSpeed / 4);
			// Check if we can fall to new position
			if (newGridY < GRID_HEIGHT && (grid[self.gridX][newGridY] === null || grid[self.gridX][newGridY] === self)) {
				// Update grid
				if (grid[self.gridX][self.gridY] === self) {
					grid[self.gridX][self.gridY] = null;
				}
				self.gridY = newGridY;
				grid[self.gridX][self.gridY] = self;
				self.setGridPosition(self.gridX, self.gridY);
			} else {
				// Stop falling - hit something or reached bottom
				self.isFalling = false;
				self.fallSpeed = 0;
			}
		}
	};
	return self;
});
var ToolbarButton = Container.expand(function (blockType) {
	var self = Container.call(this);
	self.blockType = blockType;
	self.isSelected = false;
	var bgGraphics = self.attachAsset('toolbarBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.8
	});
	var blockGraphics = self.attachAsset(blockType, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	var selectedBorder = self.attachAsset('selectedBorder', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.setSelected = function (selected) {
		self.isSelected = selected;
		selectedBorder.alpha = selected ? 0.8 : 0;
		bgGraphics.alpha = selected ? 1.0 : 0.8;
	};
	self.down = function (x, y, obj) {
		selectedBlockType = self.blockType;
		updateToolbarSelection();
	};
	return self;
});
var Water = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = 'water';
	self.gridX = 0;
	self.gridY = 0;
	self.isFlowing = false;
	self.flowCooldown = 0;
	var waterGraphics = self.attachAsset('water', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add water effects
	waterGraphics.alpha = 0.7; // Semi-transparent water
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = gridX * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_X;
		self.y = gridY * GRID_SIZE + GRID_SIZE / 2 + GRID_OFFSET_Y;
	};
	self.update = function () {
		// Gentle wave effect
		waterGraphics.alpha = 0.6 + Math.sin(LK.ticks * 0.08) * 0.1;
		waterGraphics.tint = 0x4169e1 + Math.floor(Math.sin(LK.ticks * 0.05) * 10) * 0x000100;
		// Check for lava collision in adjacent positions
		var checkPositions = [{
			x: self.gridX - 1,
			y: self.gridY
		},
		// Left
		{
			x: self.gridX + 1,
			y: self.gridY
		},
		// Right  
		{
			x: self.gridX,
			y: self.gridY - 1
		},
		// Up
		{
			x: self.gridX,
			y: self.gridY + 1
		},
		// Down
		{
			x: self.gridX - 1,
			y: self.gridY - 1
		},
		// Up-left
		{
			x: self.gridX + 1,
			y: self.gridY - 1
		},
		// Up-right
		{
			x: self.gridX - 1,
			y: self.gridY + 1
		},
		// Down-left
		{
			x: self.gridX + 1,
			y: self.gridY + 1
		} // Down-right
		];
		for (var i = 0; i < checkPositions.length; i++) {
			var pos = checkPositions[i];
			if (isValidGridPosition(pos.x, pos.y) && grid[pos.x][pos.y] !== null) {
				var adjacentBlock = grid[pos.x][pos.y];
				if (adjacentBlock.blockType === 'lava') {
					// Water and lava reaction - create steam explosion effect
					LK.effects.flashScreen(0xFFFFFF, 800);
					LK.effects.flashObject(self, 0xFFFFFF, 600);
					LK.effects.flashObject(adjacentBlock, 0xFFFFFF, 600);
					// Create stone block at water position
					var stoneBlock = new Block('stone');
					stoneBlock.setGridPosition(self.gridX, self.gridY);
					game.addChild(stoneBlock);
					grid[self.gridX][self.gridY] = stoneBlock;
					placedBlocks.push(stoneBlock);
					// Remove water block
					self.destroy();
					for (var j = placedBlocks.length - 1; j >= 0; j--) {
						if (placedBlocks[j] === self) {
							placedBlocks.splice(j, 1);
							break;
						}
					}
					// Remove lava block  
					adjacentBlock.destroy();
					grid[pos.x][pos.y] = null;
					for (var k = placedBlocks.length - 1; k >= 0; k--) {
						if (placedBlocks[k] === adjacentBlock) {
							placedBlocks.splice(k, 1);
							break;
						}
					}
					// Create stone block at lava position too
					var stoneBlock2 = new Block('stone');
					stoneBlock2.setGridPosition(pos.x, pos.y);
					game.addChild(stoneBlock2);
					grid[pos.x][pos.y] = stoneBlock2;
					placedBlocks.push(stoneBlock2);
					// Play reaction sound
					LK.getSound('break').play();
					return; // Exit after reaction
				}
			}
		}
		// Water flowing mechanics disabled - no spreading
		// if (self.flowCooldown > 0) {
		// 	self.flowCooldown--;
		// } else {
		// 	self.tryToFlow();
		// 	self.flowCooldown = 90; // Flow every 1.5 seconds
		// }
	};
	self.tryToFlow = function () {
		// Water flows down first, then horizontally
		var flowDirections = [{
			x: 0,
			y: 1
		},
		// Down
		{
			x: -1,
			y: 0
		},
		// Left
		{
			x: 1,
			y: 0
		},
		// Right
		{
			x: -1,
			y: 1
		},
		// Down-left
		{
			x: 1,
			y: 1
		} // Down-right
		];
		for (var i = 0; i < flowDirections.length; i++) {
			var dir = flowDirections[i];
			var targetX = self.gridX + dir.x;
			var targetY = self.gridY + dir.y;
			if (isValidGridPosition(targetX, targetY) && grid[targetX][targetY] === null) {
				// Only flow if there are less than 4 water blocks nearby
				var nearbyWaterCount = 0;
				for (var checkX = targetX - 1; checkX <= targetX + 1; checkX++) {
					for (var checkY = targetY - 1; checkY <= targetY + 1; checkY++) {
						if (isValidGridPosition(checkX, checkY) && grid[checkX][checkY] !== null && grid[checkX][checkY].blockType === 'water') {
							nearbyWaterCount++;
						}
					}
				}
				if (nearbyWaterCount < 4) {
					// Create new water block
					var newWater = new Water();
					newWater.setGridPosition(targetX, targetY);
					game.addChild(newWater);
					grid[targetX][targetY] = newWater;
					placedBlocks.push(newWater);
					LK.effects.flashObject(newWater, 0x87ceeb, 300);
					break;
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
var GRID_SIZE = 80;
var GRID_WIDTH = 20;
var GRID_HEIGHT = 20;
var GRID_OFFSET_X = (2048 - GRID_WIDTH * GRID_SIZE) / 2;
var GRID_OFFSET_Y = 200;
var selectedBlockType = 'dirt';
var blockTypes = ['dirt', 'stone', 'wood', 'grass', 'grassDark', 'grassLight', 'sand', 'diamond', 'gold', 'portal', 'lava', 'water'];
var inventory = {
	dirt: 50,
	stone: 30,
	wood: 25,
	grass: 20,
	grassDark: 15,
	grassLight: 15,
	sand: 25,
	diamond: 5,
	gold: 8,
	portal: 3,
	lava: 10,
	water: 15
};
// Achievement system
var achievements = storage.achievements || {};
var currentAchievementPage = 0;
var achievementsPerPage = 8;
var achievementDefinitions = {
	firstBlock: {
		name: "First Builder",
		description: "Place your first block",
		unlocked: false
	},
	destroyer: {
		name: "Destroyer",
		description: "Break 10 blocks",
		unlocked: false
	},
	architect: {
		name: "Architect",
		description: "Place 50 blocks",
		unlocked: false
	},
	miner: {
		name: "Miner",
		description: "Break 50 blocks",
		unlocked: false
	},
	collector: {
		name: "Collector",
		description: "Collect all block types",
		unlocked: false
	},
	explorer: {
		name: "Explorer",
		description: "Move 100 times",
		unlocked: false
	},
	masterBuilder: {
		name: "Master Builder",
		description: "Place 200 blocks",
		unlocked: false
	},
	demolitionExpert: {
		name: "Demolition Expert",
		description: "Break 200 blocks",
		unlocked: false
	},
	goldRush: {
		name: "Gold Rush",
		description: "Collect 20 gold blocks",
		unlocked: false
	},
	diamondCollector: {
		name: "Diamond Collector",
		description: "Collect 15 diamond blocks",
		unlocked: false
	},
	woodsman: {
		name: "Woodsman",
		description: "Collect 100 wood blocks",
		unlocked: false
	},
	stoneAge: {
		name: "Stone Age",
		description: "Collect 150 stone blocks",
		unlocked: false
	},
	adventurer: {
		name: "Adventurer",
		description: "Move 500 times",
		unlocked: false
	},
	nomad: {
		name: "Nomad",
		description: "Move 1000 times",
		unlocked: false
	},
	flightTime: {
		name: "Taking Flight",
		description: "Use flying mode 10 times",
		unlocked: false
	},
	skyExplorer: {
		name: "Sky Explorer",
		description: "Spend 60 seconds in flying mode",
		unlocked: false
	},
	areCrazy: {
		name: "are you crazy?",
		description: "Break each block type 10 times",
		unlocked: false
	},
	boooing: {
		name: "boooing",
		description: "Jump 100 times",
		unlocked: false
	},
	lavaLord: {
		name: "Lava Lord",
		description: "Place 25 lava blocks",
		unlocked: false
	},
	waterMaster: {
		name: "Water Master",
		description: "Place 30 water blocks",
		unlocked: false
	}
};
// Achievement counters
var blocksPlaced = storage.blocksPlaced || 0;
var blocksBroken = storage.blocksBroken || 0;
var moveCount = storage.moveCount || 0;
var goldCollected = storage.goldCollected || 0;
var diamondCollected = storage.diamondCollected || 0;
var woodCollected = storage.woodCollected || 0;
var stoneCollected = storage.stoneCollected || 0;
var flyingActivations = storage.flyingActivations || 0;
var flyingStartTime = 0;
var totalFlyingTime = storage.totalFlyingTime || 0;
var blockTypeBrokenCount = storage.blockTypeBrokenCount || {};
var jumpCount = storage.jumpCount || 0;
var lavaPlaced = storage.lavaPlaced || 0;
var waterPlaced = storage.waterPlaced || 0;
var grid = [];
var placedBlocks = [];
var toolbarButtons = [];
var controlButtons = [];
var pressTimer = null;
var isLongPress = false;
var pressStartTime = 0;
var character = null;
var blockSelectionMenu = null;
var menuButton = null;
var achievementNotification = null;
var achievementMenu = null;
var characterGravity = 0; // Current falling speed
var characterMaxFallSpeed = 8; // Maximum falling speed
var characterGravityAcceleration = 0.5; // How fast gravity accelerates
var isFlying = false; // Flying mode toggle
var flyingSpeed = 4; // Speed when flying
var flyingVerticalSpeed = 3; // Vertical movement speed when flying
function checkAchievement(achievementId) {
	if (achievements[achievementId]) return;
	var achieved = false;
	switch (achievementId) {
		case 'firstBlock':
			achieved = blocksPlaced >= 1;
			break;
		case 'destroyer':
			achieved = blocksBroken >= 10;
			break;
		case 'architect':
			achieved = blocksPlaced >= 50;
			break;
		case 'miner':
			achieved = blocksBroken >= 50;
			break;
		case 'collector':
			// Check if player has collected all block types
			var hasAllTypes = true;
			for (var blockType in inventory) {
				if (inventory[blockType] <= 0) {
					hasAllTypes = false;
					break;
				}
			}
			achieved = hasAllTypes;
			break;
		case 'explorer':
			achieved = moveCount >= 100;
			break;
		case 'masterBuilder':
			achieved = blocksPlaced >= 200;
			break;
		case 'demolitionExpert':
			achieved = blocksBroken >= 200;
			break;
		case 'goldRush':
			achieved = goldCollected >= 20;
			break;
		case 'diamondCollector':
			achieved = diamondCollected >= 15;
			break;
		case 'woodsman':
			achieved = woodCollected >= 100;
			break;
		case 'stoneAge':
			achieved = stoneCollected >= 150;
			break;
		case 'adventurer':
			achieved = moveCount >= 500;
			break;
		case 'nomad':
			achieved = moveCount >= 1000;
			break;
		case 'flightTime':
			achieved = flyingActivations >= 10;
			break;
		case 'skyExplorer':
			achieved = totalFlyingTime >= 60000; // 60 seconds in milliseconds
			break;
		case 'areCrazy':
			// Check if each block type has been broken at least 10 times
			achieved = true;
			for (var i = 0; i < blockTypes.length; i++) {
				var blockType = blockTypes[i];
				var brokenCount = blockTypeBrokenCount[blockType] || 0;
				if (brokenCount < 10) {
					achieved = false;
					break;
				}
			}
			break;
		case 'boooing':
			achieved = jumpCount >= 100;
			break;
		case 'lavaLord':
			achieved = lavaPlaced >= 25;
			break;
		case 'waterMaster':
			achieved = waterPlaced >= 30;
			break;
	}
	if (achieved) {
		unlockAchievement(achievementId);
	}
}
function unlockAchievement(achievementId) {
	if (achievements[achievementId]) return;
	achievements[achievementId] = true;
	storage.achievements = achievements;
	// Update the achievement menu to show the newly unlocked achievement
	if (achievementMenu) {
		achievementMenu.updateAchievements();
		// Show the achievement menu temporarily if not already visible
		if (!achievementMenu.isVisible) {
			achievementMenu.show();
			// Auto-hide after a few seconds
			LK.setTimeout(function () {
				if (achievementMenu && achievementMenu.isVisible) {
					achievementMenu.hide();
				}
			}, 3000);
		}
	}
}
function checkAllAchievements() {
	for (var achievementId in achievementDefinitions) {
		checkAchievement(achievementId);
	}
}
// Initialize grid
for (var x = 0; x < GRID_WIDTH; x++) {
	grid[x] = [];
	for (var y = 0; y < GRID_HEIGHT; y++) {
		grid[x][y] = null;
		var gridCell = new GridCell();
		gridCell.setGridPosition(x, y);
		game.addChild(gridCell);
	}
}
// Initialize character at top of world
character = new Character();
var randomX = Math.floor(Math.random() * GRID_WIDTH);
var topY = 0; // Always start at the very top
character.setGridPosition(randomX, topY);
game.addChild(character);
// Create block selection menu
blockSelectionMenu = new BlockSelectionMenu();
blockSelectionMenu.x = 1024;
blockSelectionMenu.y = 800;
LK.gui.addChild(blockSelectionMenu);
// Create achievement menu at top layer
achievementMenu = new AchievementMenu();
achievementMenu.x = 1024;
achievementMenu.y = 400;
LK.gui.addChild(achievementMenu);
// Create menu button
menuButton = new Container();
var menuBg = menuButton.attachAsset('toolbarBg', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.8
});
var menuText = new Text2('MENU', {
	size: 36,
	fill: 0xFFFFFF
});
menuText.anchor.set(0.5, 0.5);
menuText.x = 0;
menuText.y = 0;
menuButton.addChild(menuText);
menuButton.x = 2048 - 80;
menuButton.y = 150;
menuButton.down = function (x, y, obj) {
	menuBg.alpha = 1.0;
	if (!blockSelectionMenu.isVisible) {
		blockSelectionMenu.show();
	}
};
menuButton.up = function (x, y, obj) {
	menuBg.alpha = 0.8;
};
game.addChild(menuButton);
// Create achievements button at the top
var achievementsButton = new Container();
var achievementsBg = achievementsButton.attachAsset('toolbarBg', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.8
});
var achievementsText = new Text2('ACHIEVEMENTS', {
	size: 28,
	fill: 0xFFFFFF
});
achievementsText.anchor.set(0.5, 0.5);
achievementsText.x = 0;
achievementsText.y = 0;
achievementsButton.addChild(achievementsText);
achievementsButton.x = 1024;
achievementsButton.y = 50;
achievementsButton.down = function (x, y, obj) {
	achievementsBg.alpha = 1.0;
	if (!achievementMenu.isVisible) {
		achievementMenu.show();
	}
};
achievementsButton.up = function (x, y, obj) {
	achievementsBg.alpha = 0.8;
};
game.addChild(achievementsButton);
// Create flying toggle button
var flyingButton = new Container();
var flyingBg = flyingButton.attachAsset('toolbarBg', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.8
});
var flyingText = new Text2('FLY', {
	size: 32,
	fill: 0xFFFFFF
});
flyingText.anchor.set(0.5, 0.5);
flyingText.x = 0;
flyingText.y = 0;
flyingButton.addChild(flyingText);
flyingButton.x = 2048 - 80;
flyingButton.y = 350;
flyingButton.down = function (x, y, obj) {
	flyingBg.alpha = 1.0;
	// Toggle flying mode
	var wasFlying = isFlying;
	isFlying = !isFlying;
	// Track flying time and activations
	if (isFlying && !wasFlying) {
		// Started flying
		flyingActivations++;
		storage.flyingActivations = flyingActivations;
		flyingStartTime = LK.ticks;
		checkAllAchievements();
	} else if (!isFlying && wasFlying) {
		// Stopped flying
		if (flyingStartTime > 0) {
			var flyingDuration = (LK.ticks - flyingStartTime) * (1000 / 60); // Convert ticks to milliseconds
			totalFlyingTime += flyingDuration;
			storage.totalFlyingTime = totalFlyingTime;
			flyingStartTime = 0;
			checkAllAchievements();
		}
	}
	// Update button appearance - recreate the background with new color
	flyingButton.removeChild(flyingBg);
	flyingBg = flyingButton.attachAsset('toolbarBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1.0
	});
	if (isFlying) {
		flyingBg.tint = 0x00FF00;
	} else {
		flyingBg.tint = 0xFFFFFF;
	}
	flyingText.setText(isFlying ? 'LAND' : 'FLY');
	// Visual feedback
	if (isFlying) {
		LK.effects.flashObject(character, 0x00FFFF, 500);
	}
};
flyingButton.up = function (x, y, obj) {
	flyingBg.alpha = 0.8;
};
game.addChild(flyingButton);
// Create flying status display
var flyingStatusText = new Text2('', {
	size: 28,
	fill: 0x00FFFF
});
flyingStatusText.anchor.set(0.5, 0);
flyingStatusText.x = 1024;
flyingStatusText.y = 100;
LK.gui.addChild(flyingStatusText);
// Create toolbar
var toolbarY = 2732 - 120;
var toolbarStartX = (2048 - blockTypes.length * 120) / 2;
for (var i = 0; i < blockTypes.length; i++) {
	var button = new ToolbarButton(blockTypes[i]);
	button.x = toolbarStartX + i * 120 + 60;
	button.y = toolbarY;
	toolbarButtons.push(button);
	LK.gui.addChild(button);
}
// Create inventory display
var inventoryTexts = {};
for (var i = 0; i < blockTypes.length; i++) {
	var blockType = blockTypes[i];
	var inventoryText = new Text2(inventory[blockType].toString(), {
		size: 36,
		fill: 0xFFFFFF
	});
	inventoryText.anchor.set(0.5, 0);
	inventoryText.x = toolbarStartX + i * 120 + 60;
	inventoryText.y = toolbarY + 60;
	inventoryTexts[blockType] = inventoryText;
	LK.gui.addChild(inventoryText);
}
// Create control buttons
var controlButtonSize = 100;
var controlPadding = 20;
var controlCenterX = 150;
var controlCenterY = GRID_OFFSET_Y + GRID_HEIGHT * GRID_SIZE + 150;
var directions = [{
	dir: 'up',
	x: 0,
	y: -1
}, {
	dir: 'down',
	x: 0,
	y: 1
}, {
	dir: 'left',
	x: -1,
	y: 0
}, {
	dir: 'right',
	x: 1,
	y: 0
}];
for (var i = 0; i < directions.length; i++) {
	var dirInfo = directions[i];
	var button = new ControlButton(dirInfo.dir);
	button.x = controlCenterX + dirInfo.x * (controlButtonSize + controlPadding);
	button.y = controlCenterY + dirInfo.y * (controlButtonSize + controlPadding);
	controlButtons.push(button);
	game.addChild(button);
}
function updateToolbarSelection() {
	for (var i = 0; i < toolbarButtons.length; i++) {
		toolbarButtons[i].setSelected(toolbarButtons[i].blockType === selectedBlockType);
	}
}
function updateInventoryDisplay() {
	for (var blockType in inventoryTexts) {
		inventoryTexts[blockType].setText(inventory[blockType].toString());
	}
	// Update block selection menu inventory counts
	if (blockSelectionMenu) {
		blockSelectionMenu.updateInventoryCounts();
	}
}
function getGridPosition(worldX, worldY) {
	var gridX = Math.floor((worldX - GRID_OFFSET_X) / GRID_SIZE);
	var gridY = Math.floor((worldY - GRID_OFFSET_Y) / GRID_SIZE);
	return {
		x: gridX,
		y: gridY
	};
}
function isValidGridPosition(gridX, gridY) {
	return gridX >= 0 && gridX < GRID_WIDTH && gridY >= 0 && gridY < GRID_HEIGHT;
}
function placeBlock(gridX, gridY) {
	if (!isValidGridPosition(gridX, gridY)) return false;
	if (grid[gridX][gridY] !== null) return false;
	if (inventory[selectedBlockType] <= 0) return false;
	// Don't place block on character position
	if (character && gridX === character.gridX && gridY === character.gridY) return false;
	var block;
	if (selectedBlockType === 'sand') {
		block = new Sand();
	} else if (selectedBlockType === 'portal') {
		block = new Portal();
	} else if (selectedBlockType === 'lava') {
		block = new Lava();
	} else if (selectedBlockType === 'water') {
		block = new Water();
	} else {
		block = new Block(selectedBlockType);
	}
	block.setGridPosition(gridX, gridY);
	game.addChild(block);
	grid[gridX][gridY] = block;
	placedBlocks.push(block);
	inventory[selectedBlockType]--;
	updateInventoryDisplay();
	LK.getSound('place').play();
	// Track achievement progress
	blocksPlaced++;
	storage.blocksPlaced = blocksPlaced;
	// Track lava placement for achievement
	if (selectedBlockType === 'lava') {
		lavaPlaced++;
		storage.lavaPlaced = lavaPlaced;
	}
	// Track water placement for achievement
	if (selectedBlockType === 'water') {
		waterPlaced++;
		storage.waterPlaced = waterPlaced;
	}
	checkAllAchievements();
	return true;
}
function removeBlock(gridX, gridY) {
	if (!isValidGridPosition(gridX, gridY)) return false;
	if (grid[gridX][gridY] === null) return false;
	var block = grid[gridX][gridY];
	var blockType = block.blockType;
	// If breaking a portal, teleport character to heaven biome
	if (blockType === 'portal') {
		// Transition to heaven biome permanently
		game.setBackgroundColor(0xFFD700); // Golden heaven sky
		// Flash screen with heavenly light
		LK.effects.flashScreen(0xFFFFFF, 2000);
		// Teleport character to top of world center
		var heavenX = Math.floor(GRID_WIDTH / 2);
		var heavenY = 0; // Top of the world
		character.setGridPosition(heavenX, heavenY);
		// Add visual effects
		LK.effects.flashObject(block, 0xFFD700, 1000);
		LK.effects.flashObject(character, 0xFFFFFF, 1000);
		// Play portal sound
		LK.getSound('portal').play();
		// Clear all existing blocks to create clean heaven environment
		for (var x = 0; x < GRID_WIDTH; x++) {
			for (var y = 0; y < GRID_HEIGHT; y++) {
				if (grid[x][y] !== null && grid[x][y] !== block) {
					var existingBlock = grid[x][y];
					existingBlock.destroy();
					grid[x][y] = null;
					// Remove from placedBlocks array
					for (var j = placedBlocks.length - 1; j >= 0; j--) {
						if (placedBlocks[j] === existingBlock) {
							placedBlocks.splice(j, 1);
							break;
						}
					}
				}
			}
		}
		// Generate heaven environment with golden blocks and clouds
		selectedBlockType = 'gold';
		// Create golden platform in heaven
		var heavenPlatformY = Math.floor(GRID_HEIGHT * 0.8);
		for (var x = 0; x < GRID_WIDTH; x++) {
			placeBlock(x, heavenPlatformY);
			if (Math.random() < 0.3) {
				placeBlock(x, heavenPlatformY - 1); // Add some elevation
			}
		}
		// Add diamond clouds scattered around
		selectedBlockType = 'diamond';
		for (var i = 0; i < 15; i++) {
			var cloudX = Math.floor(Math.random() * GRID_WIDTH);
			var cloudY = Math.floor(Math.random() * heavenPlatformY * 0.7);
			if (isValidGridPosition(cloudX, cloudY) && grid[cloudX][cloudY] === null) {
				placeBlock(cloudX, cloudY);
			}
		}
		// Reset selection
		selectedBlockType = 'dirt';
		updateToolbarSelection();
	}
	// Create particle effects - multiple small pieces flying out
	for (var p = 0; p < 6; p++) {
		var particle = new Container();
		var particleGraphics = particle.attachAsset(blockType, {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.3,
			scaleY: 0.3
		});
		particle.x = block.x;
		particle.y = block.y;
		game.addChild(particle);
		// Random direction for each particle
		var angle = p / 6 * Math.PI * 2 + (Math.random() - 0.5) * 0.5;
		var speed = 100 + Math.random() * 80;
		var targetX = particle.x + Math.cos(angle) * speed;
		var targetY = particle.y + Math.sin(angle) * speed;
		// Animate particle flying out and fading
		tween(particle, {
			x: targetX,
			y: targetY,
			scaleX: 0.1,
			scaleY: 0.1,
			alpha: 0,
			rotation: Math.random() * Math.PI * 2
		}, {
			duration: 300 + Math.random() * 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				particle.destroy();
			}
		});
	}
	// Add breaking animation with flash effect and rotation
	LK.effects.flashObject(block, 0xFFFFFF, 200);
	// Add screen shake effect for impact
	var originalX = game.x;
	var originalY = game.y;
	var shakeIntensity = 8;
	tween(game, {
		x: originalX + shakeIntensity
	}, {
		duration: 30,
		easing: tween.easeOut
	});
	LK.setTimeout(function () {
		tween(game, {
			x: originalX - shakeIntensity
		}, {
			duration: 30,
			easing: tween.easeOut
		});
	}, 30);
	LK.setTimeout(function () {
		tween(game, {
			x: originalX,
			y: originalY
		}, {
			duration: 40,
			easing: tween.easeOut
		});
	}, 60);
	// Remove from placedBlocks array
	for (var i = placedBlocks.length - 1; i >= 0; i--) {
		if (placedBlocks[i] === block) {
			placedBlocks.splice(i, 1);
			break;
		}
	}
	// Animate block destruction with scaling and rotation
	tween(block, {
		scaleX: 0,
		scaleY: 0,
		alpha: 0,
		rotation: Math.PI * 0.5
	}, {
		duration: 150,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			block.destroy();
		}
	});
	grid[gridX][gridY] = null;
	inventory[blockType]++;
	updateInventoryDisplay();
	LK.getSound('break').play();
	// Track achievement progress
	blocksBroken++;
	storage.blocksBroken = blocksBroken;
	// Track specific resource collection
	if (blockType === 'gold') {
		goldCollected++;
		storage.goldCollected = goldCollected;
	} else if (blockType === 'diamond') {
		diamondCollected++;
		storage.diamondCollected = diamondCollected;
	} else if (blockType === 'wood') {
		woodCollected++;
		storage.woodCollected = woodCollected;
	} else if (blockType === 'stone') {
		stoneCollected++;
		storage.stoneCollected = stoneCollected;
	}
	// Track block type breaking for 'are you crazy?' achievement
	if (!blockTypeBrokenCount[blockType]) {
		blockTypeBrokenCount[blockType] = 0;
	}
	blockTypeBrokenCount[blockType]++;
	storage.blockTypeBrokenCount = blockTypeBrokenCount;
	checkAllAchievements();
	return true;
}
// Initialize toolbar selection
updateToolbarSelection();
updateInventoryDisplay();
game.down = function (x, y, obj) {
	var gridPos = getGridPosition(x, y);
	pressStartTime = LK.ticks;
	isLongPress = false;
	// Start long press timer for breaking blocks
	if (pressTimer) {
		LK.clearTimeout(pressTimer);
	}
	pressTimer = LK.setTimeout(function () {
		isLongPress = true;
		// Break only the specific block at clicked position
		if (isValidGridPosition(gridPos.x, gridPos.y) && grid[gridPos.x][gridPos.y] !== null) {
			removeBlock(gridPos.x, gridPos.y);
		}
	}, 500); // 500ms long press
};
game.up = function (x, y, obj) {
	// Clear the long press timer
	if (pressTimer) {
		LK.clearTimeout(pressTimer);
		pressTimer = null;
	}
	// If it wasn't a long press, place a block
	if (!isLongPress) {
		var gridPos = getGridPosition(x, y);
		if (isValidGridPosition(gridPos.x, gridPos.y)) {
			placeBlock(gridPos.x, gridPos.y);
		}
	}
};
// Generate procedural world with biomes
function generateWorld() {
	// Reset selected block type to dirt for generation
	selectedBlockType = 'dirt';
	updateToolbarSelection();
	// Create height map for smooth terrain
	var heightMap = [];
	var baseHeightLevel = Math.floor(GRID_HEIGHT * 0.7); // Base terrain level
	for (var x = 0; x < GRID_WIDTH; x++) {
		// Generate smooth terrain using sine waves
		var primary = Math.sin(x / GRID_WIDTH * Math.PI * 2) * 3;
		var secondary = Math.sin(x / GRID_WIDTH * Math.PI * 6) * 1.5;
		var noise = (Math.random() - 0.5) * 2;
		var height = baseHeightLevel + primary + secondary + noise;
		heightMap[x] = Math.floor(Math.max(5, Math.min(height, GRID_HEIGHT - 3)));
	}
	// Smooth the height map to reduce abrupt changes
	for (var pass = 0; pass < 2; pass++) {
		for (var x = 1; x < GRID_WIDTH - 1; x++) {
			var avg = (heightMap[x - 1] + heightMap[x] + heightMap[x + 1]) / 3;
			heightMap[x] = Math.floor(avg);
		}
	}
	// Define biome regions
	var biome1 = Math.floor(GRID_WIDTH * 0.33);
	var biome2 = Math.floor(GRID_WIDTH * 0.66);
	var biomes = ['plains', 'forest', 'mountains'];
	var currentBiomes = [biomes[Math.floor(Math.random() * biomes.length)], biomes[Math.floor(Math.random() * biomes.length)], biomes[Math.floor(Math.random() * biomes.length)]];
	// Generate terrain layers
	for (var x = 0; x < GRID_WIDTH; x++) {
		var currentBiome;
		if (x < biome1) {
			currentBiome = currentBiomes[0];
		} else if (x < biome2) {
			currentBiome = currentBiomes[1];
		} else {
			currentBiome = currentBiomes[2];
		}
		var baseHeight = heightMap[x];
		var surfaceBlock = 'grass';
		var treeChance = 0.15;
		var stoneChance = 0.1;
		// Biome-specific properties
		if (currentBiome === 'plains') {
			surfaceBlock = 'grass';
			treeChance = 0.08;
			stoneChance = 0.05;
		} else if (currentBiome === 'forest') {
			surfaceBlock = 'grass';
			treeChance = 0.25; // More trees
			stoneChance = 0.08;
		} else if (currentBiome === 'mountains') {
			surfaceBlock = 'stone'; // Rocky surface
			treeChance = 0.05; // Few trees at high altitude
			stoneChance = 0.25; // Very rocky
			// Adjust height for mountains
			baseHeight = Math.max(baseHeight - 3, Math.floor(GRID_HEIGHT * 0.5));
		}
		// Place surface layer
		selectedBlockType = surfaceBlock;
		placeBlock(x, baseHeight);
		// Place sub-surface layers consistently
		selectedBlockType = 'dirt';
		var dirtLayers = currentBiome === 'mountains' ? 2 : 3;
		for (var y = baseHeight + 1; y < Math.min(baseHeight + dirtLayers + 1, GRID_HEIGHT); y++) {
			placeBlock(x, y);
		}
		// Place stone in deeper layers consistently
		selectedBlockType = 'stone';
		for (var y = baseHeight + dirtLayers + 1; y < GRID_HEIGHT; y++) {
			var stoneProb = currentBiome === 'mountains' ? 0.9 : 0.8;
			if (Math.random() < stoneProb) {
				placeBlock(x, y);
			}
		}
		// Add trees in groups for natural look
		if (Math.random() < treeChance && baseHeight > 2) {
			selectedBlockType = 'wood';
			var treeHeight;
			if (currentBiome === 'forest') {
				treeHeight = Math.floor(Math.random() * 3) + 3; // Tall trees
			} else {
				treeHeight = Math.floor(Math.random() * 2) + 2; // Normal trees
			}
			for (var i = 0; i < treeHeight; i++) {
				var treeY = baseHeight - i - 1;
				if (treeY >= 0) {
					placeBlock(x, treeY);
				}
			}
			// Add tree leaves/branches
			if (currentBiome === 'forest' && treeHeight >= 3) {
				selectedBlockType = 'grassLight';
				if (x > 0 && baseHeight - treeHeight >= 0) {
					placeBlock(x - 1, baseHeight - treeHeight + 1);
				}
				if (x < GRID_WIDTH - 1 && baseHeight - treeHeight >= 0) {
					placeBlock(x + 1, baseHeight - treeHeight + 1);
				}
			}
		}
		// Add surface features sparingly
		if (Math.random() < stoneChance && baseHeight > 0) {
			selectedBlockType = 'stone';
			placeBlock(x, baseHeight - 1);
		}
		// Add biome-specific features occasionally
		if (currentBiome === 'mountains' && Math.random() < 0.1) {
			selectedBlockType = 'stone';
			if (baseHeight > 1) {
				placeBlock(x, baseHeight - 1);
			}
		}
	}
	// Add minimal scattered resources in logical places
	for (var i = 0; i < 15; i++) {
		var randX = Math.floor(Math.random() * GRID_WIDTH);
		var surfaceY = heightMap[randX];
		// Place resources near surface or in underground areas
		var randY = Math.random() < 0.6 ? surfaceY + Math.floor(Math.random() * 3) + 1 : Math.floor(Math.random() * (GRID_HEIGHT - surfaceY - 5)) + surfaceY + 3;
		if (isValidGridPosition(randX, randY) && grid[randX][randY] === null) {
			var resourceType;
			if (randY > surfaceY + 2) {
				// Underground resources
				resourceType = Math.random() < 0.6 ? 'stone' : 'dirt';
			} else {
				// Surface resources
				resourceType = blockTypes[Math.floor(Math.random() * blockTypes.length)];
			}
			selectedBlockType = resourceType;
			placeBlock(randX, randY);
		}
	}
	// Add rare precious blocks deep underground
	for (var i = 0; i < 3; i++) {
		var randX = Math.floor(Math.random() * GRID_WIDTH);
		var surfaceY = heightMap[randX];
		// Place deep underground only
		var randY = Math.floor(Math.random() * 3) + GRID_HEIGHT - 5;
		if (isValidGridPosition(randX, randY) && grid[randX][randY] === null) {
			var preciousType = Math.random() < 0.4 ? 'diamond' : 'gold';
			selectedBlockType = preciousType;
			placeBlock(randX, randY);
		}
	}
	// Add portals with 10% chance - place 1-2 portals randomly
	if (Math.random() < 0.1) {
		var numPortals = Math.floor(Math.random() * 2) + 1; // 1 or 2 portals
		for (var p = 0; p < numPortals; p++) {
			var attempts = 0;
			var portalPlaced = false;
			while (attempts < 20 && !portalPlaced) {
				var randX = Math.floor(Math.random() * GRID_WIDTH);
				var surfaceY = heightMap[randX];
				var randY = surfaceY - Math.floor(Math.random() * 3) - 1; // Place above surface
				if (isValidGridPosition(randX, randY) && grid[randX][randY] === null) {
					selectedBlockType = 'portal';
					if (placeBlock(randX, randY)) {
						portalPlaced = true;
					}
				}
				attempts++;
			}
		}
	}
	// Create a few small, deliberate caves
	for (var caveCount = 0; caveCount < 2; caveCount++) {
		var caveX = Math.floor(Math.random() * (GRID_WIDTH - 4)) + 2;
		var surfaceHeight = heightMap[caveX];
		var caveY = surfaceHeight + Math.floor(Math.random() * 4) + 3;
		var caveSize = 1;
		// Create small hollow areas
		for (var cx = caveX - caveSize; cx <= caveX + caveSize; cx++) {
			for (var cy = caveY - caveSize; cy <= caveY + caveSize; cy++) {
				if (isValidGridPosition(cx, cy) && grid[cx][cy] !== null) {
					var block = grid[cx][cy];
					if (block) {
						block.destroy();
						grid[cx][cy] = null;
						// Remove from placedBlocks array
						for (var j = placedBlocks.length - 1; j >= 0; j--) {
							if (placedBlocks[j] === block) {
								placedBlocks.splice(j, 1);
								break;
							}
						}
					}
				}
			}
		}
	}
	// Reset to dirt selection
	selectedBlockType = 'dirt';
	updateToolbarSelection();
}
// Generate the world after a short delay
LK.setTimeout(function () {
	generateWorld();
}, 500);
function applyGravity() {
	var blocksToMove = [];
	// Check all blocks from bottom to top
	for (var y = GRID_HEIGHT - 2; y >= 0; y--) {
		for (var x = 0; x < GRID_WIDTH; x++) {
			var block = grid[x][y];
			if (block !== null) {
				// Check if block has support below
				var hasSupport = false;
				for (var checkY = y + 1; checkY < GRID_HEIGHT; checkY++) {
					if (grid[x][checkY] !== null) {
						hasSupport = true;
						break;
					}
				}
				// If no support, mark for falling
				if (!hasSupport) {
					var fallY = y;
					// Find where it should fall to
					for (var targetY = y + 1; targetY < GRID_HEIGHT; targetY++) {
						if (grid[x][targetY] !== null) {
							break;
						}
						fallY = targetY;
					}
					if (fallY !== y) {
						blocksToMove.push({
							block: block,
							fromX: x,
							fromY: y,
							toX: x,
							toY: fallY
						});
					}
				}
			}
		}
	}
	// Move blocks that need to fall
	for (var i = 0; i < blocksToMove.length; i++) {
		var moveData = blocksToMove[i];
		var block = moveData.block;
		// Clear old position
		grid[moveData.fromX][moveData.fromY] = null;
		// Set new position
		grid[moveData.toX][moveData.toY] = block;
		block.setGridPosition(moveData.toX, moveData.toY);
	}
}
game.update = function () {
	// Apply gravity every few ticks to make blocks fall
	if (LK.ticks % 10 === 0) {
		applyGravity();
	}
	// Update flying status display
	if (isFlying) {
		flyingStatusText.setText('FLYING MODE');
		flyingStatusText.visible = true;
		// Track flying time for achievements
		if (flyingStartTime > 0) {
			var currentFlyingTime = (LK.ticks - flyingStartTime) * (1000 / 60);
			if (currentFlyingTime >= 1000) {
				// Check every second
				totalFlyingTime += 1000;
				storage.totalFlyingTime = totalFlyingTime;
				flyingStartTime = LK.ticks;
				checkAllAchievements();
			}
		}
	} else {
		flyingStatusText.visible = false;
	}
	// Replenish inventory slowly over time
	if (LK.ticks % 600 === 0) {
		// Every 10 seconds
		for (var blockType in inventory) {
			if (inventory[blockType] < 50) {
				inventory[blockType]++;
			}
		}
		updateInventoryDisplay();
		checkAllAchievements();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -927,8 +927,93 @@
 	self.update = function () {
 		// Gentle wave effect
 		waterGraphics.alpha = 0.6 + Math.sin(LK.ticks * 0.08) * 0.1;
 		waterGraphics.tint = 0x4169e1 + Math.floor(Math.sin(LK.ticks * 0.05) * 10) * 0x000100;
+		// Check for lava collision in adjacent positions
+		var checkPositions = [{
+			x: self.gridX - 1,
+			y: self.gridY
+		},
+		// Left
+		{
+			x: self.gridX + 1,
+			y: self.gridY
+		},
+		// Right  
+		{
+			x: self.gridX,
+			y: self.gridY - 1
+		},
+		// Up
+		{
+			x: self.gridX,
+			y: self.gridY + 1
+		},
+		// Down
+		{
+			x: self.gridX - 1,
+			y: self.gridY - 1
+		},
+		// Up-left
+		{
+			x: self.gridX + 1,
+			y: self.gridY - 1
+		},
+		// Up-right
+		{
+			x: self.gridX - 1,
+			y: self.gridY + 1
+		},
+		// Down-left
+		{
+			x: self.gridX + 1,
+			y: self.gridY + 1
+		} // Down-right
+		];
+		for (var i = 0; i < checkPositions.length; i++) {
+			var pos = checkPositions[i];
+			if (isValidGridPosition(pos.x, pos.y) && grid[pos.x][pos.y] !== null) {
+				var adjacentBlock = grid[pos.x][pos.y];
+				if (adjacentBlock.blockType === 'lava') {
+					// Water and lava reaction - create steam explosion effect
+					LK.effects.flashScreen(0xFFFFFF, 800);
+					LK.effects.flashObject(self, 0xFFFFFF, 600);
+					LK.effects.flashObject(adjacentBlock, 0xFFFFFF, 600);
+					// Create stone block at water position
+					var stoneBlock = new Block('stone');
+					stoneBlock.setGridPosition(self.gridX, self.gridY);
+					game.addChild(stoneBlock);
+					grid[self.gridX][self.gridY] = stoneBlock;
+					placedBlocks.push(stoneBlock);
+					// Remove water block
+					self.destroy();
+					for (var j = placedBlocks.length - 1; j >= 0; j--) {
+						if (placedBlocks[j] === self) {
+							placedBlocks.splice(j, 1);
+							break;
+						}
+					}
+					// Remove lava block  
+					adjacentBlock.destroy();
+					grid[pos.x][pos.y] = null;
+					for (var k = placedBlocks.length - 1; k >= 0; k--) {
+						if (placedBlocks[k] === adjacentBlock) {
+							placedBlocks.splice(k, 1);
+							break;
+						}
+					}
+					// Create stone block at lava position too
+					var stoneBlock2 = new Block('stone');
+					stoneBlock2.setGridPosition(pos.x, pos.y);
+					game.addChild(stoneBlock2);
+					grid[pos.x][pos.y] = stoneBlock2;
+					placedBlocks.push(stoneBlock2);
+					// Play reaction sound
+					LK.getSound('break').play();
+					return; // Exit after reaction
+				}
+			}
+		}
 		// Water flowing mechanics disabled - no spreading
 		// if (self.flowCooldown > 0) {
 		// 	self.flowCooldown--;
 		// } else {