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

/**** 
* Classes
****/ 
var ControlButton = Container.expand(function (direction) {
	var self = Container.call(this);
	var buttonSprite = self.attachAsset('controlButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 2.5
	});
	var arrowSprite = self.attachAsset('buttonArrow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0
	});
	// Set arrow direction based on button type
	if (direction === 'up') {
		arrowSprite.rotation = 0;
	} else if (direction === 'right') {
		arrowSprite.rotation = Math.PI / 2;
	} else if (direction === 'down') {
		arrowSprite.rotation = Math.PI;
	} else if (direction === 'left') {
		arrowSprite.rotation = Math.PI * 1.5;
	} else if (direction === 'attack') {
		arrowSprite.visible = false;
		buttonSprite = self.attachAsset('attackButton', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 3.5,
			scaleY: 3.5
		});
	}
	self.direction = direction;
	self.pressed = false;
	self.updateCooldown = function (ratio) {
		if (self.direction === 'attack') {
			// If in interact mode, change color and label
			if (self.isInteract) {
				buttonSprite.tint = 0x33aa33; // Green for interact
				// Optionally, overlay a text label (not required, but for clarity)
				if (!self.interactLabel) {
					self.interactLabel = new Text2('INTERACT', {
						size: 40,
						fill: 0xFFFFFF
					});
					self.interactLabel.anchor.set(0.5, 0.5);
					self.interactLabel.y = 0;
					self.addChild(self.interactLabel);
				}
				self.interactLabel.visible = true;
				buttonSprite.alpha = 1;
			} else {
				buttonSprite.tint = 0xaa3333; // Default attack color
				if (self.interactLabel) {
					self.interactLabel.visible = false;
				}
				// Update the button alpha based on cooldown ratio (0 to 1)
				buttonSprite.alpha = 0.3 + ratio * 0.7;
			}
		}
	};
	self.down = function (x, y, obj) {
		self.pressed = true;
		buttonSprite.alpha = 0.7;
		if (self.direction === 'attack') {
			// Stop propagation to prevent the event from affecting the joystick
			obj.stopPropagation = true;
			// If joystick is active, store its current state for override
			if (controlButtons && controlButtons.joystick && controlButtons.joystick.active) {
				joystickOverrideActive = true;
				joystickOverrideX = controlButtons.joystick.normalizedX;
				joystickOverrideY = controlButtons.joystick.normalizedY;
			} else {
				// Ensure override is not active if joystick wasn't active at press time
				joystickOverrideActive = false;
			}
			// If interact mode, handle based on interactTarget type
			if (self.isInteract && self.interactTarget) {
				if (self.interactTarget instanceof Treasure && !self.interactTarget.isOpen) {
					var treasureToOpen = self.interactTarget;
					treasureToOpen.openTreasure();
					// Play sound
					LK.getSound('collect').play();
					// Award points
					player.score += treasureToOpen.value * 5;
					updateUI();
					// Spawn a random powerup at the treasure's location, with animation
					var t = treasureToOpen; // Use the correct treasure object
					var powerUpTypes = ['speed', 'defense', 'health', 'attack'];
					var randomType = powerUpTypes[Math.floor(Math.random() * powerUpTypes.length)];
					var powerUpFromChest = new PowerUp(randomType); //{A} // Renamed to avoid conflict
					// Place at the center of the chest (mapX/Y are world coords, will be projected in renderEntities)
					powerUpFromChest.mapX = t.mapX;
					powerUpFromChest.mapY = t.mapY;
					powerUpFromChest.collected = false;
					// Set initial multiplier for spawn animation. Scale itself will be handled by renderEntities.
					powerUpFromChest.spawnScaleMultiplier = 0.1;
					// Initialize new animation properties
					powerUpFromChest.verticalOffset = 0;
					powerUpFromChest.currentBobOffset = 0;
					powerUpFromChest.hasReachedBobHeight = false;
					powerUps.push(powerUpFromChest);
					if (typeof dynamicEntitiesContainer !== "undefined") {
						dynamicEntitiesContainer.addChild(powerUpFromChest);
					}
					// Combined Animation Sequence: Scale up and Lift
					tween(powerUpFromChest, {
						spawnScaleMultiplier: 1.0,
						verticalOffset: 0.15 // Lift by 0.34 world units (reduced by 15%)
					}, {
						duration: 1200,
						// Slower combined animation (1200ms)
						easing: tween.elasticOut,
						// Retains a nice "pop"
						onFinish: function onFinish() {
							// Start bobbing after combined animation
							powerUpFromChest.hasReachedBobHeight = true;
							powerUpFromChest.startBobbingAnimation();
						}
					});
					// Remove treasure from map after a short delay (for open animation)
					LK.setTimeout(function () {
						map[Math.floor(t.mapY)][Math.floor(t.mapX)].removeTreasure();
						// Do NOT destroy the treasure object, just leave it open and non-collidable
						// Remove from treasures array so it doesn't show interact again
						var idx = treasures.indexOf(t);
						if (idx !== -1) {
							treasures.splice(idx, 1);
						}
						checkLevelCompletion();
					}, 500);
				} else if (self.interactTarget instanceof PowerUp && !self.interactTarget.collected) {
					var powerUpToCollect = self.interactTarget;
					powerUpToCollect.applyAndRemove();
					// No specific score or immediate level completion for collecting power-ups.
				}
			} else if (canAttack) {
				attackAction();
			}
		}
	};
	self.up = function (x, y, obj) {
		self.pressed = false;
		if (self.direction === 'attack') {
			// Clear joystick override when attack button is released
			joystickOverrideActive = false;
			if (!canAttack) {
				buttonSprite.alpha = 0.3; // Show as disabled
			} else {
				buttonSprite.alpha = 1;
			}
		} else {
			buttonSprite.alpha = 1;
		}
	};
	return self;
});
var EyeballMonster = Container.expand(function () {
	var self = Container.call(this);
	self.flySprite = self.attachAsset('eyeballfly', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.attackSprite = self.attachAsset('eyeballattack', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.health = 2; // Fixed health as per requirement
	self.mapX = 0;
	self.mapY = 0;
	self.moveSpeed = 0.25; // Eyeballs move a bit faster than default monsters
	// Properties for attack visuals and game logic compatibility
	self.isAttacking = false; // True if currently in attack animation
	self.attackDuration = 600; // Duration of the attack visual animation in ms
	self.attackCooldown = 2000; // Cooldown for dealing damage (used by checkMonsterCollisions)
	self.lastAttackTime = 0; // Timestamp of last damage dealt (used by checkMonsterCollisions)
	self.canAttack = true; // Whether this monster can deal damage (used by checkMonsterCollisions)
	// Bobbing properties
	self.baseWorldYOffset = 0.4; // Base height above ground (world units)
	// currentBobbingYOffset, bobAmplitude, and bobSpeed removed as bobbing is disabled.
	// For MonsterAI compatibility (canSeePlayer, pathToPlayer might be set by AI)
	self.canSeePlayer = false;
	self.pathToPlayer = [];
	self.lastMoveTime = 0; // For AI movement frequency or other logic
	// startBobbing method removed as bobbing animation is disabled.
	// This function is called by MonsterAI to trigger the attack *animation*
	self.performAttackAnimation = function () {
		if (self.isAttacking || !self.parent) {
			// Already visually attacking or destroyed
			return;
		}
		self.isAttacking = true;
		// tween.stop for currentBobbingYOffset removed as bobbing is disabled.
		// Switch to attack sprite by directly setting alpha
		self.attackSprite.alpha = 1;
		self.flySprite.alpha = 0;
		// After attack visual duration, revert to fly sprite
		LK.setTimeout(function () {
			if (!self.parent) {
				return;
			} // Check if still exists
			// Revert to fly sprite by directly setting alpha
			self.attackSprite.alpha = 0;
			self.flySprite.alpha = 1;
			self.isAttacking = false;
			// self.startBobbing() call removed as bobbing is disabled.
		}, self.attackDuration);
	};
	self.takeDamage = function (damageAmount) {
		self.health -= damageAmount;
		LK.getSound('hit').play();
		// Flash the whole container (both sprites are children)
		LK.effects.flashObject(self, 0xff0000, 400);
		if (self.health <= 0) {
			// tween.stop for currentBobbingYOffset removed as bobbing is disabled.
			// Ensure attack sprite is hidden if dying mid-attack animation
			if (self.attackSprite) {
				self.attackSprite.alpha = 0;
			}
			if (self.flySprite) {
				self.flySprite.alpha = 0;
			} // Or make it fade out
			return true; // Monster is killed
		}
		return false; // Monster survived
	};
	// This is called by the main game loop's monster iteration.
	// For EyeballMonster, its primary "idle" animation (bobbing) is tween-based and self-managed.
	// The attack animation is triggered by performAttackAnimation.
	// So, this can be empty or used for other per-tick logic if needed.
	self.updateAnimation = function () {
		// Bobbing is handled by tweens started in startBobbing.
		// Attack sprite switching is handled by performAttackAnimation.
	};
	return self;
});
var FloorCaster = Container.expand(function () {
	var self = Container.call(this);
	// Screen dimensions
	var SCREEN_WIDTH = 2048;
	var SCREEN_HEIGHT = 2732;
	var HORIZON_Y = SCREEN_HEIGHT / 2;
	// Create containers for floor and ceiling strips
	var floorContainer = new Container();
	var ceilingContainer = new Container();
	self.addChild(floorContainer);
	self.addChild(ceilingContainer);
	// Store strip pools to avoid creating/destroying objects
	var floorStrips = [];
	var ceilingStrips = [];
	var stripHeight = 4; // Height of each horizontal strip
	var numStrips = Math.ceil(HORIZON_Y / stripHeight);
	// Initialize floor and ceiling rendering
	self.update = function (playerX, playerY, playerDir) {
		// Clear existing strips
		floorContainer.removeChildren();
		ceilingContainer.removeChildren();
		// Enhanced shading parameters
		var SHADE_START_FACTOR = 0.3; // Start shading even sooner (0.5 instead of 0.7)
		var FLOOR_MIN_SHADE = 0.28; // Slightly darker minimum for floor
		var CEILING_MIN_SHADE = 0.18; // Darker minimum for ceiling
		var WALL_BASE_GRADIENT = 0.20; // Add gradient near walls
		// Render floor (bottom half of screen)
		var stripIndex = 0;
		for (var y = HORIZON_Y; y < SCREEN_HEIGHT; y += stripHeight) {
			// Calculate distance from horizon
			var distanceFromHorizon = y - HORIZON_Y;
			if (distanceFromHorizon <= 0) {
				continue;
			}
			// Calculate world distance for perspective
			var worldDistance = WALL_HEIGHT_FACTOR / distanceFromHorizon;
			// Skip if too far away
			if (worldDistance > MAX_RENDER_DISTANCE) {
				continue;
			}
			// Calculate enhanced shade based on distance (darker = further)
			var distanceRatio = worldDistance / MAX_RENDER_DISTANCE;
			var shadeFactor = Math.max(FLOOR_MIN_SHADE, 1 - distanceRatio / SHADE_START_FACTOR);
			// Wall base gradient - darker near the horizon/walls
			var horizonProximity = 1 - distanceFromHorizon / (HORIZON_Y * 0.3);
			if (horizonProximity > 0) {
				shadeFactor -= horizonProximity * WALL_BASE_GRADIENT;
			}
			// Create or reuse floor strip
			var floorStrip;
			if (stripIndex < floorStrips.length) {
				floorStrip = floorStrips[stripIndex];
			} else {
				floorStrip = LK.getAsset('mapFloor', {
					anchorX: 0,
					anchorY: 0
				});
				floorStrips.push(floorStrip);
			}
			// Position and scale the strip
			floorStrip.x = 0;
			floorStrip.y = y;
			floorStrip.width = SCREEN_WIDTH;
			floorStrip.height = stripHeight;
			floorStrip.alpha = shadeFactor;
			// Add to floor container
			floorContainer.addChild(floorStrip);
			stripIndex++;
		}
		// Render ceiling (top half of screen)
		stripIndex = 0;
		for (var y = HORIZON_Y - stripHeight; y >= 0; y -= stripHeight) {
			// Calculate distance from horizon
			var distanceFromHorizon = HORIZON_Y - y;
			if (distanceFromHorizon <= 0) {
				continue;
			}
			// Calculate world distance for perspective
			var worldDistance = WALL_HEIGHT_FACTOR / distanceFromHorizon;
			// Skip if too far away
			if (worldDistance > MAX_RENDER_DISTANCE) {
				continue;
			}
			// Calculate enhanced shade for ceiling (darker than floor)
			var distanceRatio = worldDistance / MAX_RENDER_DISTANCE;
			var shadeFactor = Math.max(CEILING_MIN_SHADE, 1 - distanceRatio / SHADE_START_FACTOR);
			// Add subtle gradient near ceiling/walls
			var horizonProximity = 1 - distanceFromHorizon / (HORIZON_Y * 0.3);
			if (horizonProximity > 0) {
				shadeFactor -= horizonProximity * WALL_BASE_GRADIENT;
			}
			// Create or reuse ceiling strip
			var ceilingStrip;
			if (stripIndex < ceilingStrips.length) {
				ceilingStrip = ceilingStrips[stripIndex];
			} else {
				ceilingStrip = LK.getAsset('ceiling', {
					anchorX: 0,
					anchorY: 0
				});
				ceilingStrips.push(ceilingStrip);
			}
			// Position and scale the strip
			ceilingStrip.x = 0;
			ceilingStrip.y = y;
			ceilingStrip.width = SCREEN_WIDTH;
			ceilingStrip.height = stripHeight;
			ceilingStrip.alpha = shadeFactor;
			// Add to ceiling container
			ceilingContainer.addChild(ceilingStrip);
			stripIndex++;
		}
	};
	return self;
});
var Gate = Container.expand(function () {
	var self = Container.call(this);
	// Create gate visual using existing wall asset but with a different color
	var gateSprite = self.attachAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Make the gate distinct with a green tint
	gateSprite.tint = 0x00FF00;
	self.gateSprite = gateSprite;
	self.mapX = 0;
	self.mapY = 0;
	// Pulse animation to make gate more visible
	var _animateGate = function animateGate() {
		tween(gateSprite, {
			alpha: 0.7,
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				tween(gateSprite, {
					alpha: 1,
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 1000,
					onFinish: _animateGate
				});
			}
		});
	};
	// Start the pulsing animation
	_animateGate();
	return self;
});
var JoystickController = Container.expand(function () {
	var self = Container.call(this);
	// Create joystick base
	var baseRadius = 150;
	var baseSprite = self.attachAsset('controlButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 5.0,
		scaleY: 5.0,
		alpha: 0.4
	});
	// Create joystick handle
	var handleRadius = 100;
	var handleSprite = self.attachAsset('controlButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3.0,
		scaleY: 3.0
	});
	// Initialize variables
	self.active = false;
	self.startX = 0;
	self.startY = 0;
	self.maxDistance = baseRadius;
	self.normalizedX = 0;
	self.normalizedY = 0;
	// Reset the joystick handle position
	self.resetHandle = function () {
		handleSprite.x = 0;
		handleSprite.y = 0;
		self.normalizedX = 0;
		self.normalizedY = 0;
		self.active = false;
	};
	// Handle touch down event
	self.down = function (x, y, obj) {
		self.active = true;
		self.startX = x;
		self.startY = y;
	};
	// Handle touch move event
	self.move = function (x, y, obj) {
		if (!self.active) {
			return;
		}
		// Calculate distance from start position
		var dx = x - self.startX;
		var dy = y - self.startY;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Normalize the distance to get direction vector
		if (distance > 0) {
			// Clamp to max distance
			if (distance > self.maxDistance) {
				dx = dx * self.maxDistance / distance;
				dy = dy * self.maxDistance / distance;
				distance = self.maxDistance;
			}
			// Set handle position
			handleSprite.x = dx;
			handleSprite.y = dy;
			// Calculate normalized values (-1 to 1)
			self.normalizedX = dx / self.maxDistance;
			self.normalizedY = dy / self.maxDistance;
		} else {
			self.resetHandle();
		}
	};
	// Handle touch up event
	self.up = function (x, y, obj) {
		self.resetHandle();
	};
	// Initialize with handle at center
	self.resetHandle();
	return self;
});
var MapCell = Container.expand(function () {
	var self = Container.call(this);
	self.type = 0; // 0 = floor, 1 = wall
	self.monster = null;
	self.treasure = null;
	self.gate = null;
	self.setType = function (type) {
		self.type = type;
		self.updateVisual();
	};
	self.updateVisual = function () {
		self.removeChildren();
		if (self.type === 1) {
			self.attachAsset('mapWall', {
				anchorX: 0,
				anchorY: 0
			});
		} else {
			self.attachAsset('mapFloor', {
				anchorX: 0,
				anchorY: 0
			});
		}
	};
	self.addMonster = function () {
		if (self.type === 0 && !self.monster && !self.treasure) {
			self.monster = true;
			return true;
		}
		return false;
	};
	self.addTreasure = function () {
		if (self.type === 0 && !self.monster && !self.treasure) {
			self.treasure = true;
			return true;
		}
		return false;
	};
	self.removeMonster = function () {
		self.monster = null;
	};
	self.removeTreasure = function () {
		self.treasure = null;
	};
	self.addGate = function () {
		if (self.type === 0 && !self.monster && !self.treasure && !self.gate) {
			self.gate = true;
			return true;
		}
		return false;
	};
	self.removeGate = function () {
		self.gate = null;
	};
	return self;
});
var Monster = Container.expand(function () {
	var self = Container.call(this);
	// Create animation frame container
	var frameContainer = new Container();
	self.addChild(frameContainer);
	// Create monster animation frames
	var monsterFrame1 = LK.getAsset('demonOgreWalk1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var monsterFrame2 = LK.getAsset('demonOgreWalk2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add frames to container
	frameContainer.addChild(monsterFrame1);
	frameContainer.addChild(monsterFrame2);
	// Set initial visibility
	monsterFrame1.alpha = 1;
	monsterFrame2.alpha = 0;
	// Initialize animation state
	self.currentFrame = 1;
	self.animationTick = 0;
	self.mapX = 0;
	self.mapY = 0;
	self.health = 6;
	self.lastMoveTime = 0;
	self.canSeePlayer = false;
	self.pathToPlayer = [];
	self.attackCooldown = 2000; // 2 seconds between attacks
	self.lastAttackTime = 0; // When monster last attacked
	self.canAttack = true; // Whether monster can attack
	// Update animation frames - will be called from game loop
	self.updateAnimation = function () {
		self.animationTick++;
		// Change animation frame every 30 ticks (half second at 60fps)
		if (self.animationTick >= 15) {
			self.animationTick = 0;
			self.currentFrame = self.currentFrame === 1 ? 2 : 1;
			// Directly change alpha values without tween
			if (self.currentFrame === 1) {
				monsterFrame1.alpha = 1;
				monsterFrame2.alpha = 0;
			} else {
				monsterFrame1.alpha = 0;
				monsterFrame2.alpha = 1;
			}
		}
	};
	self.takeDamage = function (damageAmount) {
		self.health -= damageAmount;
		LK.getSound('hit').play();
		// Visual feedback for hit - flash the monster red
		LK.effects.flashObject(frameContainer, 0xff0000, 400);
		return self.health <= 0;
	};
	return self;
});
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// World coordinates and velocities
	self.worldX = 0;
	self.worldY = 0;
	self.worldZ = 0; // Height above the dungeon floor
	self.vx = 0; // World velocity X
	self.vy = 0; // World velocity Y
	self.vz = 0; // World velocity Z (vertical)
	self.life = 0;
	self.maxLife = 480; // Approx 8 seconds at 60 FPS (Doubled)
	self.bounces = 0;
	self.tintColor = 0xFFFFFF; // Default tint
	// Particle physics constants (world-based)
	var PARTICLE_WORLD_GRAVITY_EFFECT = 0.0035; // Gravity pulling worldZ down (Reduced by half)
	var PARTICLE_Z_DAMPING = 0.6; // Energy retained vertically after floor bounce (Increased for higher bounce)
	var PARTICLE_XY_DAMPING = 0.4; // Energy retained horizontally after wall bounce (Reduced from 0.6)
	var PARTICLE_GROUND_FRICTION = 0.8; // Friction for vx, vy when hitting floor (Reduced from 0.9)
	var PARTICLE_MAX_BOUNCES = 4;
	var PARTICLE_VISUAL_SIZE_AT_UNIT_DISTANCE = 0.08; // Visual size (in world units) when 1 unit away
	var MAX_RENDER_DISTANCE_PARTICLES = 12; // Max distance to render particles
	self.init = function (wX, wY, wZ, velX, velY, velZ, particleLife, tintColor) {
		self.worldX = wX;
		self.worldY = wY;
		self.worldZ = wZ;
		self.vx = velX;
		self.vy = velY;
		self.vz = velZ;
		self.life = particleLife || self.maxLife;
		self.bounces = 0;
		self.tintColor = tintColor || 0xFFFFFF; // Store and apply tint
		graphics.tint = self.tintColor;
		graphics.alpha = 1;
		// Initial scale will be set in update based on distance
		self.visible = false; // Will be set true if in FOV during update
	};
	self.update = function () {
		if (self.life <= 0 || self.bounces >= PARTICLE_MAX_BOUNCES) {
			self.visible = false;
			return false; // Indicate inactive
		}
		// Store pre-move position for collision response
		var prevWorldX = self.worldX;
		var prevWorldY = self.worldY;
		// Apply world velocities
		self.worldX += self.vx;
		self.worldY += self.vy;
		self.worldZ += self.vz;
		// Apply gravity to vertical velocity
		self.vz -= PARTICLE_WORLD_GRAVITY_EFFECT;
		// Floor bounce logic (worldZ = 0 is the floor)
		if (self.worldZ < 0) {
			self.worldZ = 0;
			self.vz *= -PARTICLE_Z_DAMPING;
			self.vx *= PARTICLE_GROUND_FRICTION;
			self.vy *= PARTICLE_GROUND_FRICTION;
			self.bounces++;
			if (Math.abs(self.vz) < 0.005 && PARTICLE_WORLD_GRAVITY_EFFECT > Math.abs(self.vz)) {
				// Come to rest
				self.vz = 0;
			}
		}
		// Wall bounce logic
		var currentMapX = Math.floor(self.worldX);
		var currentMapY = Math.floor(self.worldY);
		if (currentMapX < 0 || currentMapX >= MAP_SIZE || currentMapY < 0 || currentMapY >= MAP_SIZE || map[currentMapY] && map[currentMapY][currentMapX] && map[currentMapY][currentMapX].type === 1) {
			self.worldX = prevWorldX; // Revert to position before entering wall
			self.worldY = prevWorldY;
			var pt_map_prev_x = Math.floor(prevWorldX);
			var pt_map_prev_y = Math.floor(prevWorldY);
			var reflectedX = false;
			var reflectedY = false;
			// Check if collision was primarily due to X movement into a wall
			if (currentMapX !== pt_map_prev_x && map[pt_map_prev_y] && map[pt_map_prev_y][currentMapX] && map[pt_map_prev_y][currentMapX].type === 1) {
				self.vx *= -PARTICLE_XY_DAMPING;
				reflectedX = true;
			}
			// Check if collision was primarily due to Y movement into a wall
			if (currentMapY !== pt_map_prev_y && map[currentMapY] && map[currentMapY][pt_map_prev_x] && map[currentMapY][pt_map_prev_x].type === 1) {
				self.vy *= -PARTICLE_XY_DAMPING;
				reflectedY = true;
			}
			// If hit a corner or exact cause is ambiguous (e.g. started in wall), reflect based on dominant velocity or both
			if (!reflectedX && !reflectedY) {
				// This case implies it was already in a wall or hit a corner perfectly.
				// A simple heuristic: reflect the larger velocity component, or both if similar.
				if (Math.abs(self.vx) > Math.abs(self.vy) * 1.2) {
					self.vx *= -PARTICLE_XY_DAMPING;
				} else if (Math.abs(self.vy) > Math.abs(self.vx) * 1.2) {
					self.vy *= -PARTICLE_XY_DAMPING;
				} else {
					// Similar magnitude or started in wall, reflect both
					self.vx *= -PARTICLE_XY_DAMPING;
					self.vy *= -PARTICLE_XY_DAMPING;
				}
			}
			self.bounces++;
		}
		// Calculate screen position and scale (similar to projectiles/monsters)
		var dx = self.worldX - player.x;
		var dy = self.worldY - player.y;
		var distToPlayerPlane = Math.sqrt(dx * dx + dy * dy);
		if (distToPlayerPlane < 0.1) {
			distToPlayerPlane = 0.1;
		} // Avoid division by zero / extreme scales
		var angle = Math.atan2(dy, dx) - player.dir;
		while (angle < -Math.PI) {
			angle += Math.PI * 2;
		}
		while (angle > Math.PI) {
			angle -= Math.PI * 2;
		}
		if (Math.abs(angle) < HALF_FOV && distToPlayerPlane < MAX_RENDER_DISTANCE_PARTICLES) {
			self.visible = true;
			// Screen X
			self.x = 2048 / 2 + angle / HALF_FOV * (2048 / 2);
			// Screen Y: based on horizon, distance, and particle's worldZ
			var screenY_horizon = 2732 / 2;
			var z_to_screen_pixels_factor = WALL_HEIGHT_FACTOR; // Factor for scaling worldZ to screen pixels, effectively how many screen pixels 1 world unit of height is at 1 world unit of distance.
			var player_camera_height_projection_factor = WALL_HEIGHT_FACTOR * 0.5; // This factor determines how the floor plane "drops" from the horizon based on distance, simulating camera height.
			// Using 0.5 of WALL_HEIGHT_FACTOR aligns it with how treasure bottoms are projected.
			// Calculate the screen Y position for a point that is ON THE FLOOR (i.e., worldZ = 0)
			// at the particle's current distance (distToPlayerPlane).
			// Closer points on the floor will have a larger Y value (lower on screen).
			var screenY_for_floor_at_dist = screenY_horizon + player_camera_height_projection_factor / distToPlayerPlane;
			// Calculate the screen Y offset caused by the particle's actual height (self.worldZ) above the floor.
			// This offset is relative to the screenY_for_floor_at_dist.
			var screenY_offset_due_to_worldZ = self.worldZ * z_to_screen_pixels_factor / distToPlayerPlane;
			// The final screen Y is the floor's projected Y minus the offset due to the particle's height.
			self.y = screenY_for_floor_at_dist - screenY_offset_due_to_worldZ;
			// Scale based on distance and particle's inherent visual size
			var particleAssetBaseSize = 100.0; // Updated for 'particle' asset (100x100)
			var effectiveScreenSize = PARTICLE_VISUAL_SIZE_AT_UNIT_DISTANCE * WALL_HEIGHT_FACTOR / distToPlayerPlane;
			var screenScaleFactor = Math.max(0.05, effectiveScreenSize / particleAssetBaseSize);
			graphics.scale.set(screenScaleFactor);
			var lifeRatio = Math.max(0, self.life / self.maxLife);
			graphics.alpha = lifeRatio * 0.8 + 0.2; // Fade out but maintain some visibility
		} else {
			self.visible = false;
		}
		self.life--;
		if (self.life <= 0 || self.bounces >= PARTICLE_MAX_BOUNCES) {
			self.visible = false;
			return false; // Indicate inactive
		}
		return true; // Indicate active
	};
	return self;
});
var PowerUp = Container.expand(function (type) {
	var self = Container.call(this);
	self.powerUpType = type; // 'speed', 'defense', 'health', 'attack'
	self.spawnScaleMultiplier = 1.0; // Used for spawn animation, defaults to full size
	self.mapX = 0;
	self.mapY = 0;
	self.collected = false;
	self.verticalOffset = 0; // World units for lift from chest
	self.currentBobOffset = 0; // Screen pixels for bobbing motion
	self.hasReachedBobHeight = false; // Flag to start bobbing
	var assetId = '';
	switch (self.powerUpType) {
		case 'speed':
			assetId = 'speedup';
			break;
		case 'defense':
			assetId = 'armorup';
			break;
		case 'health':
			assetId = 'healthup';
			break;
		case 'attack':
			assetId = 'attackup';
			break;
		default:
			console.error("Unknown power-up type: " + self.powerUpType);
			assetId = 'treasure'; // Fallback, should not happen
			break;
	}
	var powerUpSprite = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.powerUpSprite = powerUpSprite; // Expose the sprite
	self.startBobbingAnimation = function () {
		if (self.collected || !self.parent || !self.hasReachedBobHeight) {
			return;
		}
		var bobAmplitude = 15; // Screen pixels for bobbing up/down
		var bobSpeed = 1800; // Milliseconds for a full bob cycle ( थोड़ा धीमा )
		function animateUpInternal() {
			if (self.collected || !self.parent) {
				return;
			} // Check again before starting tween
			tween(self, {
				currentBobOffset: -bobAmplitude
			}, {
				duration: bobSpeed / 2,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					if (self.collected || !self.parent) {
						return;
					}
					animateDownInternal();
				}
			});
		}
		function animateDownInternal() {
			if (self.collected || !self.parent) {
				return;
			} // Check again
			tween(self, {
				currentBobOffset: 0
			}, {
				// Bob back to its lifted base
				duration: bobSpeed / 2,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					if (self.collected || !self.parent) {
						return;
					}
					animateUpInternal();
				}
			});
		}
		animateUpInternal(); // Start the bobbing cycle
	};
	// Note: _animateBob() call removed, startBobbingAnimation will be triggered after lift.
	self.applyAndRemove = function () {
		if (self.collected) {
			return;
		}
		self.collected = true;
		var effectMessage = "";
		// Apply power-up effect (now permanent)
		switch (self.powerUpType) {
			case 'health':
				player.maxHealth += 1;
				player.health = Math.min(player.health + 1, player.maxHealth);
				effectMessage = "Max Health +1\nHealth Refilled +1";
				updateUI();
				break;
			case 'speed':
				player.moveSpeedMultiplier += 0.15; // Smaller, incremental speed boost
				effectMessage = "Movement Speed Increased!";
				break;
			case 'defense':
				player.defenseBuffActive = true; // Permanent defense buff
				effectMessage = "Defense Increased!";
				break;
			case 'attack':
				player.attackPower += 1; // Increase attack power
				// player.attackBuffActive is no longer set by this power-up, as it affects power not speed/cooldown.
				effectMessage = "Attack Power Increased!";
				break;
		}
		if (effectMessage) {
			showPowerUpEffectText(effectMessage);
		}
		LK.getSound('collect').play();
		// Visual feedback for collection (quick scale out and fade)
		tween(self, {
			scaleX: self.scale.x * 0.1,
			scaleY: self.scale.y * 0.1,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeIn,
			// Make it disappear inwards
			onFinish: function onFinish() {
				if (self.parent) {
					self.parent.removeChild(self);
				}
				var index = powerUps.indexOf(self);
				if (index !== -1) {
					powerUps.splice(index, 1);
				}
				self.destroy(); // Explicitly destroy after removal
			}
		});
	};
	return self;
});
var Projectile = Container.expand(function () {
	var self = Container.call(this);
	var projectileSprite = self.attachAsset('projectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// World position and movement properties
	self.worldX = 0;
	self.worldY = 0;
	self.dirX = 0;
	self.dirY = 0;
	self.speed = 0.0375; // World units per tick (reduced to 1/4 of original)
	self.active = false;
	self.distance = 0;
	self.maxDistance = 10; // Maximum travel distance in world units
	// Initialize projectile
	self.fire = function (screenX, screenY) {
		// Start at player position, slightly offset in the firing direction
		self.worldX = player.x + Math.cos(player.dir) * 0.3;
		self.worldY = player.y + Math.sin(player.dir) * 0.3;
		// Direction is player's current facing direction
		self.dirX = Math.cos(player.dir);
		self.dirY = Math.sin(player.dir);
		self.active = true;
		self.distance = 0;
		self.hitMonsters = []; // Initialize list to track hit monsters
		// Play attack sound
		LK.getSound('attack').play();
		// Scale for visual effect
		projectileSprite.scale.set(0.2, 0.2);
		// Store initial screen coordinates from hand
		self.initialScreenX = screenX || 2048 / 2;
		self.initialScreenY = screenY || 2732 - 300;
		// Set initial position to hand location
		self.x = self.initialScreenX;
		self.y = self.initialScreenY;
		self.visible = true;
	};
	// Update projectile position and check for collisions
	self.update = function (deltaTime) {
		if (!self.active) {
			return false;
		}
		// Move projectile in world space
		self.worldX += self.dirX * self.speed;
		self.worldY += self.dirY * self.speed;
		// Track distance traveled
		self.distance += self.speed;
		// Check for wall collision
		var mapX = Math.floor(self.worldX);
		var mapY = Math.floor(self.worldY);
		var shouldRemove = false;
		var hitActualMapWall = false;
		if (self.distance >= self.maxDistance) {
			shouldRemove = true;
		} else if (mapX < 0 || mapX >= MAP_SIZE || mapY < 0 || mapY >= MAP_SIZE) {
			// Projectile went out of bounds
			shouldRemove = true;
			// We could optionally treat out-of-bounds as a wall hit for particles,
			// but typically particles are for hitting actual geometry.
		} else if (map[mapY] && map[mapY][mapX] && map[mapY][mapX].type === 1) {
			// Projectile hit an actual map wall
			shouldRemove = true;
			hitActualMapWall = true;
		}
		if (shouldRemove) {
			if (hitActualMapWall) {
				// Spawn particle feedback at the point of impact
				createParticleExplosion(self.worldX, self.worldY, PROJECTILE_WALL_HIT_PARTICLE_COUNT, 0x87CEFA); // Light Blue Tint
			}
			return true; // Remove projectile
		}
		// Position on screen based on player view (raycasting principles)
		self.updateScreenPosition();
		return false; // Keep projectile
	};
	// Calculate screen position from world position
	self.updateScreenPosition = function () {
		// Vector from player to projectile
		var dx = self.worldX - player.x;
		var dy = self.worldY - player.y;
		// Distance from player to projectile
		var dist = Math.sqrt(dx * dx + dy * dy);
		// Angle from player to projectile
		var angle = Math.atan2(dy, dx) - player.dir;
		// Normalize angle (-PI to PI)
		while (angle < -Math.PI) {
			angle += Math.PI * 2;
		}
		while (angle > Math.PI) {
			angle -= Math.PI * 2;
		}
		// Check if projectile is in field of view
		if (Math.abs(angle) < HALF_FOV) {
			// Calculate screen X based on angle in FOV
			self.x = 2048 / 2 + angle / HALF_FOV * (2048 / 2);
			// Calculate target Y position (center of screen with slight adjustment)
			var targetY = 2732 / 2 + 40 - WALL_HEIGHT_FACTOR / dist * 0.1; // Adjusted +20 to +40 to lower target height
			// Calculate transition factor based on distance
			// As distance increases, move closer to target Y
			var transitionFactor = Math.min(1.0, self.distance * 1);
			// Interpolate between initial hand Y and target Y
			self.y = self.initialScreenY * (1 - transitionFactor) + targetY * transitionFactor;
			// Scale based on distance
			var scale = Math.max(0.1, 2 / dist);
			projectileSprite.scale.set(scale, scale);
			self.visible = true;
		} else {
			self.visible = false;
		}
	};
	return self;
});
var RaycastStrip = Container.expand(function () {
	var self = Container.call(this);
	var activeWallSprite = null; // The currently displayed wall sprite instance
	var currentTileIndex = null; // Stores the numeric index of activeWallSprite, e.g., 5
	self.updateStrip = function (stripWidth, wallHeight, stripIdx, wallType, distance, textureX, side, tileIndex, wallMapX, wallMapY) {
		// self.x is now set in rayCasting for correct centering; do not set here
		// Validate tileIndex (already a number)
		if (tileIndex < 1 || tileIndex > 64 || !Number.isInteger(tileIndex)) {
			console.error("RaycastStrip: Invalid tileIndex received: " + tileIndex + ". Clearing strip.");
			self.clearStrip(); // Clear the strip if tileIndex is invalid
			return;
		}
		// Use direct lookup instead of string concatenation
		var newTileAssetName = wallTextureLookup[tileIndex];
		// If the current sprite is active but not the correct type for the new tileIndex, release it.
		// Note: We still use currentTileIndex (numeric) for the pool key, but use newTileAssetName for LK.getAsset if needed.
		if (activeWallSprite && currentTileIndex !== tileIndex) {
			// Compare numeric indices
			wallSpritePoolManager.releaseSprite(activeWallSprite, currentTileIndex); // Pass numeric index
			self.removeChild(activeWallSprite); // Detach from this strip's container
			activeWallSprite = null;
			currentTileIndex = null; // Clear current numeric index
		}
		// If no sprite is active (either first time, or after releasing/clearing), get one from the pool.
		if (!activeWallSprite) {
			// wallSpritePoolManager.getSprite now expects the numeric tileIndex and internally uses the lookup for asset name if creating new.
			activeWallSprite = wallSpritePoolManager.getSprite(tileIndex); // Pass numeric index
			if (activeWallSprite) {
				self.addChild(activeWallSprite); // Add the new/reused sprite to this strip's container
				currentTileIndex = tileIndex; // Store numeric index
			} else {
				// This can happen if wallSpritePoolManager.getSprite returns null
				console.error("RaycastStrip: Failed to get sprite for tileIndex " + tileIndex + " from pool using asset name: " + newTileAssetName);
				self.clearStrip(); // Ensure strip is clean if sprite acquisition fails
				return; // Cannot render this strip without a sprite
			}
		}
		// Configure the active sprite's properties (position, size, appearance)
		activeWallSprite.width = stripWidth;
		activeWallSprite.height = wallHeight;
		// Position sprite relative to the RaycastStrip container's origin
		activeWallSprite.x = 0;
		activeWallSprite.y = (2732 - wallHeight) / 2; // Vertically center the wall segment
		// Apply distance-based tinting
		var SHADE_START_FACTOR_WALLS = 0.3; // Match floor/ceiling behavior
		var MIN_SHADE_WALLS = 0.2; // General minimum shade for distant walls
		var distanceRatio = distance / MAX_RENDER_DISTANCE;
		var shadeFactor = Math.max(MIN_SHADE_WALLS, 1 - distanceRatio / SHADE_START_FACTOR_WALLS);
		// --- Apply projectile light ---
		var totalProjectileLightInfluence = 0;
		var wallWorldCenterX = wallMapX + 0.5;
		var wallWorldCenterY = wallMapY + 0.5;
		for (var k = 0; k < projectiles.length; k++) {
			var proj = projectiles[k];
			if (proj.active) {
				var dxProj = proj.worldX - wallWorldCenterX;
				var dyProj = proj.worldY - wallWorldCenterY;
				var distToProjectileSq = dxProj * dxProj + dyProj * dyProj; // Use squared distance for check
				if (distToProjectileSq < PROJECTILE_LIGHT_RADIUS * PROJECTILE_LIGHT_RADIUS) {
					var distToProjectile = Math.sqrt(distToProjectileSq);
					var distRatioProj = distToProjectile / PROJECTILE_LIGHT_RADIUS;
					var falloff = Math.pow(Math.max(0, 1 - distRatioProj), PROJECTILE_LIGHT_FALLOFF_EXPONENT);
					totalProjectileLightInfluence += PROJECTILE_LIGHT_MAX_CONTRIBUTION * falloff;
				}
			}
		}
		shadeFactor = Math.min(1.0, shadeFactor + totalProjectileLightInfluence);
		// --- End projectile light ---
		if (side === 1) {
			// Conventionally, side 1 walls (e.g., horizontal, further from light) are darker
			shadeFactor *= 0.7; // Apply side shadow multiplicatively
			// Ensure side shadow doesn't make it darker than a very low bound
			shadeFactor = Math.max(MIN_SHADE_WALLS * 0.5, shadeFactor); // e.g. max(0.1, shadeFactor)
		}
		// Calculate tint based on shadeFactor
		var baseWallTint = 0xFFFFFF; // Assuming walls are not pre-tinted by default in assets
		var r_wall = baseWallTint >> 16 & 0xFF;
		var g_wall = baseWallTint >> 8 & 0xFF;
		var b_wall = baseWallTint & 0xFF;
		r_wall = Math.floor(r_wall * shadeFactor);
		g_wall = Math.floor(g_wall * shadeFactor);
		b_wall = Math.floor(b_wall * shadeFactor);
		activeWallSprite.tint = r_wall << 16 | g_wall << 8 | b_wall;
		activeWallSprite.alpha = 1.0; // Use tint for darkness, keep alpha full for wall segments
		activeWallSprite.visible = true; // Ensure the sprite is visible
	};
	// Clears the strip by releasing its active sprite back to the pool.
	self.clearStrip = function () {
		if (activeWallSprite && typeof currentTileIndex === 'number') {
			// Check if currentTileIndex is valid
			wallSpritePoolManager.releaseSprite(activeWallSprite, currentTileIndex); // Pass numeric index
			self.removeChild(activeWallSprite); // Detach from container
			activeWallSprite = null;
			currentTileIndex = null;
		}
		// Optionally, could make the RaycastStrip container itself invisible:
		// self.visible = false;
		// But simply having no visible children often suffices.
	};
	// Note: LK's game reset mechanism (re-initializing Game class) typically handles
	// destruction of game objects. If RaycastStrip instances were managed in a way
	// that required manual cleanup of their sprites before game reset, a specific
	// destroy method could be added here. For now, clearStrip and parent destruction
	// should manage pooled sprites correctly.
	return self;
});
var Treasure = Container.expand(function () {
	var self = Container.call(this);
	// Closed treasure sprite
	var treasureSprite = self.attachAsset('treasure', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	treasureSprite.tint = 0xdddddd; // Light grey tint
	// Open treasure sprite (initially hidden)
	var treasureOpenSprite = self.attachAsset('treasureopen', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.treasureSprite = treasureSprite;
	self.treasureOpenSprite = treasureOpenSprite;
	self.isOpen = false;
	self.mapX = 0;
	self.mapY = 0;
	self.value = 1;
	self.openTreasure = function () {
		if (!self.isOpen) {
			self.isOpen = true;
			self.treasureSprite.alpha = 0;
			self.treasureOpenSprite.alpha = 1;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x111111
});

/**** 
* Game Code
****/ 
var dynamicEntitiesContainer;
// At start of game, create a texture lookup table
var wallTextureLookup = new Array(65);
for (var i = 1; i <= 64; i++) {
	wallTextureLookup[i] = 'walltile' + i;
}
var wallSpritePoolManager = {
	pools: function () {
		// IIFE to pre-populate pools for each wall tile type, using numeric keys.
		var p = {};
		var PREALLOCATE_PER_TILE = 48; // Increased from 12 to reduce pop-in
		for (var i = 1; i <= 64; i++) {
			// Numeric index for pool key
			var assetNameForLK = wallTextureLookup[i]; // Use lookup table for asset name
			if (!assetNameForLK) {
				console.error("WallSpritePoolManager (init pools): No asset name found in lookup for tileIndex: " + i);
				continue; // Skip if asset name is not found
			}
			var tilePool = []; // Cache the array for this specific tile index
			p[i] = tilePool; // Use numeric index i as the key
			for (var j = 0; j < PREALLOCATE_PER_TILE; j++) {
				var sprite = LK.getAsset(assetNameForLK, {
					// Use string name from lookup for LK
					anchorX: 0,
					anchorY: 0,
					visible: false
				});
				tilePool.push(sprite); // Push to the cached array
			}
		}
		return p;
	}(),
	getSprite: function getSprite(tileIndex) {
		// Parameter is now tileIndex (number)
		// Validate tileIndex and ensure its pool exists
		if (!this.pools[tileIndex]) {
			var isValidTile = Number.isInteger(tileIndex) && tileIndex >= 1 && tileIndex <= 64;
			if (isValidTile) {
				this.pools[tileIndex] = []; // Create pool if valid but missing
				console.warn("WallSpritePoolManager: Created pool on-the-fly for tile index: " + tileIndex);
			} else {
				console.error("WallSpritePoolManager: Attempted to get sprite for invalid tile index: " + tileIndex);
				return null; // Invalid tile index
			}
		}
		var pool = this.pools[tileIndex];
		if (pool.length > 0) {
			var sprite = pool.pop();
			return sprite;
		} else {
			// Pool is empty, create a new sprite on demand
			// Use the lookup table to get the asset name string
			var assetNameForLK = wallTextureLookup[tileIndex];
			if (!assetNameForLK) {
				console.error("WallSpritePoolManager: No asset name found in lookup for tileIndex: " + tileIndex);
				return null;
			}
			var newSprite = LK.getAsset(assetNameForLK, {
				anchorX: 0,
				anchorY: 0,
				visible: false
			});
			return newSprite;
		}
	},
	releaseSprite: function releaseSprite(sprite, tileIndex) {
		// Parameter is now tileIndex (number)
		if (!sprite || typeof tileIndex !== 'number') {
			console.error("WallSpritePoolManager: Invalid sprite or tileIndex for release. tileIndex: " + tileIndex);
			return;
		}
		// Validate tileIndex and ensure its pool exists for release
		if (!this.pools[tileIndex]) {
			var isValidTile = Number.isInteger(tileIndex) && tileIndex >= 1 && tileIndex <= 64;
			if (isValidTile) {
				this.pools[tileIndex] = []; // Create pool if valid but missing
				console.warn("WallSpritePoolManager: Releasing sprite to a newly created pool for tile index: " + tileIndex);
			} else {
				console.error("WallSpritePoolManager: Attempted to release sprite for invalid tile index: " + tileIndex);
				return;
			}
		}
		// Sprite is assumed to be already removed from its parent by RaycastStrip.
		// Thoroughly reset sprite properties to a clean state:
		sprite.visible = false;
		sprite.alpha = 1.0;
		sprite.scale.set(1.0, 1.0);
		sprite.rotation = 0;
		sprite.x = 0;
		sprite.y = 0;
		sprite.tint = 0xFFFFFF; // Reset tint as it's now being used for shading
		this.pools[tileIndex].push(sprite);
	}
};
// Game constants
var PROJECTILE_LIGHT_RADIUS = 5.0; // World units for how far projectile light reaches
var PROJECTILE_LIGHT_MAX_CONTRIBUTION = 0.6; // Max brightness projectile can add (0 to 1)
var PROJECTILE_LIGHT_FALLOFF_EXPONENT = 2.0; // Power for light falloff (e.g., 2 for quadratic)
var MAP_SIZE = 16;
var PROJECTILE_WALL_HIT_PARTICLE_COUNT = 8; // Number of particles for projectile wall impact
var particlePoolManager;
var particleExplosionContainer; // Container for all active particles from explosions
var CELL_SIZE = 20;
var MINI_MAP_SCALE = 1;
var STRIP_WIDTH = 5; // Increase from 8 to 16 (half as many rays)
var NUM_RAYS = Math.ceil(2048 / STRIP_WIDTH);
// Pre-allocate ray result objects to avoid garbage collection
var rayResults = new Array(NUM_RAYS);
for (var i = 0; i < NUM_RAYS; i++) {
	rayResults[i] = {
		wallHit: false,
		distance: 0,
		// perpWallDist from DDA
		actualDistance: 0,
		// distance corrected for FOV, used for shading and strip height
		side: 0,
		wallType: 0,
		mapX: 0,
		// from DDA
		mapY: 0,
		// from DDA
		screenX: 0,
		// strip's screen X position
		wallHeight: 0,
		// calculated wall height
		textureIndex: 0 // calculated texture/tile index
	};
}
var FOV = Math.PI / 3; // 60 degrees field of view
// Variables for raycasting optimization
var lastPlayerX = -999;
var lastPlayerY = -999;
var lastPlayerDir = -999;
var shouldRaycast = true; // Ensure first frame does a full raycast
var HALF_FOV = FOV / 2;
var PLAYER_MOVE_SPEED = 0.002; // Reduced from 0.005 to make movement slower
var PLAYER_TURN_SPEED = 0.002; // Reduced from 0.005 to make turning slower
var WALL_HEIGHT_FACTOR = 700;
var MAX_RENDER_DISTANCE = 16;
var MONSTER_AGGRO_RANGE = 9.0; // Max distance at which monsters will notice and start chasing the player.
var MIN_MONSTER_PLAYER_DISTANCE = 0.6; // Monsters stop if they get closer than this (e.g., overshoot); this is within attack range.
var MAX_MONSTER_PLAYER_ENGAGEMENT_DISTANCE = 0.6;
var WALL_BUFFER = 0.18; // Minimum distance from player center to wall cell's effective edge
var MONSTER_WALL_BUFFER = 0.25; // Minimum distance from monster center to wall cell's effective edge
var MONSTER_COUNT = 8; // Increased by 50% from 5, rounded up
var TREASURE_COUNT = 10;
// Game state
var map = [];
var floorCaster;
var player = {
	x: 1.5,
	y: 1.5,
	dir: 0,
	health: 5,
	// Current health
	maxHealth: 5,
	// Maximum health, starts at 5
	score: 0,
	level: 1,
	// Permanent Stats Enhanced by Power-ups
	moveSpeedMultiplier: 1.0,
	// Base is 1.0, increases with speed power-ups
	defenseBuffActive: false,
	// Remains a boolean toggle, activated by defense power-up
	attackPower: 1 // Base attack power is 1, increases with attack power-ups
	// Buff timeouts are removed as effects are permanent
};
var powerUps = [];
var POWERUP_COUNT = 3; // Number of power-ups to spawn per level
// POWERUP_DURATION is no longer needed as buffs are permanent until new game
var controls = {
	forward: false,
	backward: false,
	left: false,
	right: false,
	attack: false
};
var monsters = [];
var treasures = [];
var projectiles = [];
var gate = null;
var wallSegments = [];
var lastWallCheck = [];
var lastTime = Date.now();
var canAttack = true;
var attackCooldown = 500; // 500 millisecond cooldown
// Joystick override state
var joystickOverrideActive = false;
var joystickOverrideX = 0;
var joystickOverrideY = 0;
// UI elements
var miniMap;
var rayCastView;
var healthText;
var scoreText;
var levelText;
var monsterText;
var controlButtons = {};
var playerMarker;
var globalRightHand; // Stores the right hand game object
var activeControlForGlobalHandlers = null; // Tracks which control is active for game.down/up/move
var renderableObjects = []; // Array to hold all objects (walls, entities) to be sorted by depth
// Create layer variables at the global scope
var gameLayer = new Container();
var projectileLayer = new Container();
var handLayer = new Container();
particlePoolManager = {
	pool: [],
	activeParticles: [],
	maxParticles: 750,
	// Increased from 300 to support more particles
	// Increased max particles
	getParticle: function getParticle() {
		var particle;
		if (this.pool.length > 0) {
			particle = this.pool.pop();
		} else {
			particle = new Particle();
		}
		this.activeParticles.push(particle);
		// The particle will be added to particleExplosionContainer by createParticleExplosion
		return particle;
	},
	releaseParticle: function releaseParticle(particle) {
		// Remove from activeParticles
		var index = this.activeParticles.indexOf(particle);
		if (index !== -1) {
			this.activeParticles.splice(index, 1);
		}
		// Remove from its parent container (particleExplosionContainer)
		if (particle.parent) {
			particle.parent.removeChild(particle);
		}
		if (this.pool.length < this.maxParticles) {
			this.pool.push(particle);
		} else {
			// If pool is full, LK will garbage collect if it has no parent.
			// Explicitly calling destroy isn't standard in LK for pooled objects unless necessary.
		}
	},
	updateActiveParticles: function updateActiveParticles() {
		for (var i = this.activeParticles.length - 1; i >= 0; i--) {
			var particle = this.activeParticles[i];
			if (!particle.update()) {
				// Particle.update returns false when life is over
				this.releaseParticle(particle);
			}
		}
	}
};
function createParticleExplosion(worldExplosionX, worldExplosionY, count, tintColor) {
	if (!particleExplosionContainer) {
		particleExplosionContainer = new Container();
		// Add to projectileLayer so particles appear above game world elements but potentially below UI
		projectileLayer.addChild(particleExplosionContainer);
	}
	var worldExplosionZ = 0.5; // Assume explosion originates roughly half a unit above the floor
	for (var i = 0; i < count; i++) {
		var particle = particlePoolManager.getParticle();
		// Calculate 3D spherical distribution for initial velocities
		var phi = Math.random() * Math.PI * 2; // Angle in XY plane (0 to 2PI)
		var theta = Math.acos(Math.random() * 2 - 1); // Angle from Z axis (0 to PI), for uniform sphere
		var speed = (Math.random() * 0.03 + 0.015) * (player.level > 3 ? 1.5 : 1); // Base world speed (halved), faster for higher levels
		var vx = Math.sin(theta) * Math.cos(phi) * speed;
		var vy = Math.sin(theta) * Math.sin(phi) * speed;
		var vz = Math.cos(theta) * speed + 0.03; // Add a slight general upward bias
		// Randomize lifespan
		var life = 360 + Math.random() * 240; // Life between ~6 to ~10 seconds, to match doubled maxLife
		particle.init(worldExplosionX, worldExplosionY, worldExplosionZ, vx, vy, vz, life, tintColor);
		particleExplosionContainer.addChild(particle);
	}
}
// Setup game
function setupGame() {
	// Set up the layer system using the globally defined variables
	// Add layers in the correct order (projectiles below hand)
	game.addChild(gameLayer);
	game.addChild(projectileLayer);
	game.addChild(handLayer);
	// Create the floor/ceiling caster first (should be below walls)
	floorCaster = new FloorCaster();
	gameLayer.addChild(floorCaster);
	// Create the rayCast view container
	// rayCastView = new Container(); // rayCastView is no longer used to hold strips directly
	// gameLayer.addChild(rayCastView); // No longer add rayCastView if it's not used for strips
	// Initialize wallSegments array to hold RaycastStrip instances
	wallSegments = [];
	// Create raycast strips
	for (var i = 0; i < NUM_RAYS; i++) {
		var strip = new RaycastStrip();
		wallSegments.push(strip); // Store strips in an array, not in a display container yet
	}
	// Initialize container for depth-sorted dynamic entities (walls and entities)
	dynamicEntitiesContainer = new Container();
	gameLayer.addChild(dynamicEntitiesContainer);
	// Create minimap container
	miniMap = new Container();
	miniMap.x = (2048 - MAP_SIZE * CELL_SIZE * MINI_MAP_SCALE) / 2; // Center horizontally
	miniMap.y = 20; // Keep at top
	gameLayer.addChild(miniMap);
	// Generate map
	generateMap();
	// Create player marker
	playerMarker = gameLayer.addChild(LK.getAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	// Create UI elements
	createUI();
	// Create control buttons
	createControlButtons();
	// Start background music
	LK.playMusic('dungeon');
}
function generateMap() {
	// Clear existing map visuals, data structures
	miniMap.removeChildren();
	map = [];
	// Remove existing monsters and treasures
	for (var i = 0; i < monsters.length; i++) {
		monsters[i].destroy();
	}
	monsters = [];
	for (var i = 0; i < treasures.length; i++) {
		treasures[i].destroy();
	}
	treasures = [];
	// Clear projectiles
	for (var i = 0; i < projectiles.length; i++) {
		projectiles[i].destroy();
	}
	projectiles = [];
	// Clear existing powerups
	for (var i = 0; i < powerUps.length; i++) {
		powerUps[i].destroy();
	}
	powerUps = [];
	// --- Map type selection ---
	// 0 = maze, 1 = arena with pillars, 2 = mixed
	var mapType = Math.floor(Math.random() * 3);
	// 1. Initialize the map: all cells are walls
	for (var y = 0; y < MAP_SIZE; y++) {
		map[y] = [];
		for (var x = 0; x < MAP_SIZE; x++) {
			var cell = new MapCell();
			cell.x = x * CELL_SIZE * MINI_MAP_SCALE;
			cell.y = y * CELL_SIZE * MINI_MAP_SCALE;
			cell.setType(1); // Initialize as wall
			map[y][x] = cell;
			miniMap.addChild(cell); // Add to minimap
		}
	}
	// --- Maze type ---
	if (mapType === 0) {
		// 2. Implement Recursive Backtracker (a form of Growing Tree) for maze generation
		var stack = [];
		var startX = 1; // Player's typical start X
		var startY = 1; // Player's typical start Y
		map[startY][startX].setType(0); // Mark starting cell as floor
		stack.push({
			x: startX,
			y: startY
		});
		while (stack.length > 0) {
			var current = stack[stack.length - 1]; // Get current cell (peek)
			var potentialMoves = [{
				dx: 0,
				dy: -2,
				wallXOffset: 0,
				wallYOffset: -1
			}, {
				dx: 2,
				dy: 0,
				wallXOffset: 1,
				wallYOffset: 0
			}, {
				dx: 0,
				dy: 2,
				wallXOffset: 0,
				wallYOffset: 1
			}, {
				dx: -2,
				dy: 0,
				wallXOffset: -1,
				wallYOffset: 0
			}];
			// Shuffle potential moves to ensure randomness
			for (var i = potentialMoves.length - 1; i > 0; i--) {
				var j = Math.floor(Math.random() * (i + 1));
				var temp = potentialMoves[i];
				potentialMoves[i] = potentialMoves[j];
				potentialMoves[j] = temp;
			}
			var moved = false;
			for (var i = 0; i < potentialMoves.length; i++) {
				var move = potentialMoves[i];
				var nextX = current.x + move.dx;
				var nextY = current.y + move.dy;
				var wallBetweenX = current.x + move.wallXOffset;
				var wallBetweenY = current.y + move.wallYOffset;
				if (nextX >= 0 && nextX < MAP_SIZE && nextY >= 0 && nextY < MAP_SIZE && map[nextY][nextX].type === 1) {
					map[wallBetweenY][wallBetweenX].setType(0);
					map[nextY][nextX].setType(0);
					stack.push({
						x: nextX,
						y: nextY
					});
					moved = true;
					break;
				}
			}
			if (!moved) {
				stack.pop();
			}
		}
		// 3. Explicitly set outer border walls.
		for (y = 0; y < MAP_SIZE; y++) {
			if (map[y][0].type === 0 && !(y === startY && startX === 0)) {
				map[y][0].setType(1);
			}
			if (map[y][MAP_SIZE - 1].type === 0 && !(y === startY && startX === MAP_SIZE - 1)) {
				map[y][MAP_SIZE - 1].setType(1);
			}
		}
		for (x = 0; x < MAP_SIZE; x++) {
			if (map[0][x].type === 0 && !(x === startX && startY === 0)) {
				map[0][x].setType(1);
			}
			if (map[MAP_SIZE - 1][x].type === 0 && !(x === startX && startY === MAP_SIZE - 1)) {
				map[MAP_SIZE - 1][x].setType(1);
			}
		}
		map[startY][startX].setType(0);
		ensureMapConnectivity();
	} else if (mapType === 1) {
		// --- Arena with pillars ---
		// Clear a large open area in the center
		var margin = 2;
		for (var y = margin; y < MAP_SIZE - margin; y++) {
			for (var x = margin; x < MAP_SIZE - margin; x++) {
				map[y][x].setType(0);
			}
		}
		// Place pillars in a grid pattern
		for (var py = margin + 2; py < MAP_SIZE - margin - 1; py += 3) {
			for (var px = margin + 2; px < MAP_SIZE - margin - 1; px += 3) {
				map[py][px].setType(1);
			}
		}
		// Player start near bottom left
		// player.x = margin + 1.5; // Player position will be set later
		// player.y = margin + 1.5; // Player position will be set later
		// player.dir = 0;//{8K} // Player position will be set later
	} else {
		// --- Mixed: maze with open arena center and some pillars ---
		// First, generate a maze as in type 0
		var stack = [];
		var startX = 1;
		var startY = 1;
		map[startY][startX].setType(0);
		stack.push({
			x: startX,
			y: startY
		});
		while (stack.length > 0) {
			var current = stack[stack.length - 1];
			var potentialMoves = [{
				dx: 0,
				dy: -2,
				wallXOffset: 0,
				wallYOffset: -1
			}, {
				dx: 2,
				dy: 0,
				wallXOffset: 1,
				wallYOffset: 0
			}, {
				dx: 0,
				dy: 2,
				wallXOffset: 0,
				wallYOffset: 1
			}, {
				dx: -2,
				dy: 0,
				wallXOffset: -1,
				wallYOffset: 0
			}];
			for (var i = potentialMoves.length - 1; i > 0; i--) {
				var j = Math.floor(Math.random() * (i + 1));
				var temp = potentialMoves[i];
				potentialMoves[i] = potentialMoves[j];
				potentialMoves[j] = temp;
			}
			var moved = false;
			for (var i = 0; i < potentialMoves.length; i++) {
				var move = potentialMoves[i];
				var nextX = current.x + move.dx;
				var nextY = current.y + move.dy;
				var wallBetweenX = current.x + move.wallXOffset;
				var wallBetweenY = current.y + move.wallYOffset;
				if (nextX >= 0 && nextX < MAP_SIZE && nextY >= 0 && nextY < MAP_SIZE && map[nextY][nextX].type === 1) {
					map[wallBetweenY][wallBetweenX].setType(0);
					map[nextY][nextX].setType(0);
					stack.push({
						x: nextX,
						y: nextY
					});
					moved = true;
					break;
				}
			}
			if (!moved) {
				stack.pop();
			}
		}
		// Open up a central arena
		var arenaMargin = 4;
		for (var y = arenaMargin; y < MAP_SIZE - arenaMargin; y++) {
			for (var x = arenaMargin; x < MAP_SIZE - arenaMargin; x++) {
				map[y][x].setType(0);
			}
		}
		// Add a few random pillars in the arena
		for (var p = 0; p < 8; p++) {
			var px = Math.floor(Math.random() * (MAP_SIZE - 2 * arenaMargin - 2)) + arenaMargin + 1;
			var py = Math.floor(Math.random() * (MAP_SIZE - 2 * arenaMargin - 2)) + arenaMargin + 1;
			map[py][px].setType(1);
		}
		// Player start near bottom left
		// player.x = arenaMargin + 1.5; // Player position will be set later
		// player.y = arenaMargin + 1.5; // Player position will be set later
		// player.dir = 0;//{9M} // Player position will be set later
	}
	// 4. Ensure all parts of the map are connected after generation (for all types)
	ensureMapConnectivity();
	// --- Player Spawn Logic ---
	var intendedPlayerX, intendedPlayerY;
	if (mapType === 0) {
		// Maze
		intendedPlayerX = 1.5;
		intendedPlayerY = 1.5;
	} else if (mapType === 1) {
		// Arena
		var margin = 2; // Variable 'margin' is defined in the Arena mapType block
		intendedPlayerX = margin + 1.5;
		intendedPlayerY = margin + 1.5;
	} else {
		// Mixed (mapType === 2)
		var arenaMargin = 4; // Variable 'arenaMargin' is defined in the Mixed mapType block
		intendedPlayerX = arenaMargin + 1.5;
		intendedPlayerY = arenaMargin + 1.5;
	}
	var spawnIsValid = false;
	// Check if intendedPlayerX/Y are within map cell indices for array access
	var intendedCellX = Math.floor(intendedPlayerX);
	var intendedCellY = Math.floor(intendedPlayerY);
	if (intendedCellX >= 0 && intendedCellX < MAP_SIZE && intendedCellY >= 0 && intendedCellY < MAP_SIZE) {
		if (map[intendedCellY][intendedCellX].type === 0 && getDistanceToNearestWall(intendedPlayerX, intendedPlayerY) >= WALL_BUFFER) {
			spawnIsValid = true;
			player.x = intendedPlayerX;
			player.y = intendedPlayerY;
		}
	}
	if (!spawnIsValid) {
		console.warn("Intended player spawn point was invalid. Searching for an alternative...");
		var alternativeSpawns = [];
		// Search the entire map, excluding borders, for a valid spawn point
		for (var y_scan = 1; y_scan < MAP_SIZE - 1; y_scan++) {
			for (var x_scan = 1; x_scan < MAP_SIZE - 1; x_scan++) {
				var currentSpawnCandidateX = x_scan + 0.5;
				var currentSpawnCandidateY = y_scan + 0.5;
				if (map[y_scan][x_scan].type === 0 && getDistanceToNearestWall(currentSpawnCandidateX, currentSpawnCandidateY) >= WALL_BUFFER) {
					alternativeSpawns.push({
						x: currentSpawnCandidateX,
						y: currentSpawnCandidateY
					});
				}
			}
		}
		if (alternativeSpawns.length > 0) {
			var randomIndex = Math.floor(Math.random() * alternativeSpawns.length);
			player.x = alternativeSpawns[randomIndex].x;
			player.y = alternativeSpawns[randomIndex].y;
			console.log("Player spawn adjusted to a valid alternative: (" + player.x + ", " + player.y + ")");
		} else {
			// This is a critical failure case - no valid spawn point found anywhere.
			// Default to a common, possibly unsafe, point and log an error.
			console.error("CRITICAL: No valid player spawn point found anywhere in the map. Defaulting to (1.5, 1.5). Player may be stuck.");
			player.x = 1.5;
			player.y = 1.5;
		}
	}
	player.dir = 0; // Ensure player direction is reset
	// Ensure player doesn't start facing a wall
	var initialPlayerDirForRotationCheck = player.dir; // Store initial to potentially revert
	var playerRotationAttempts = 0;
	while (playerRotationAttempts < 4) {
		// Max 4 attempts for 0, 90, 180, 270 degrees
		var lookAheadDist = 1.0; // Check one cell ahead
		var cellInFrontMapX = Math.floor(player.x + Math.cos(player.dir) * lookAheadDist);
		var cellInFrontMapY = Math.floor(player.y + Math.sin(player.dir) * lookAheadDist);
		// Check if the cell in front is within map boundaries and is a floor tile
		if (cellInFrontMapX >= 0 && cellInFrontMapX < MAP_SIZE && cellInFrontMapY >= 0 && cellInFrontMapY < MAP_SIZE && map[cellInFrontMapY] && map[cellInFrontMapY][cellInFrontMapX] && map[cellInFrontMapY][cellInFrontMapX].type === 0) {
			// Found an open space to face
			break;
		}
		// If facing a wall or out of bounds, rotate player by 90 degrees clockwise
		player.dir += Math.PI / 2;
		// Normalize direction to be within [0, 2*PI)
		if (player.dir >= Math.PI * 2) {
			player.dir -= Math.PI * 2;
		}
		playerRotationAttempts++;
	}
	if (playerRotationAttempts === 4) {
		console.warn("Player could not be rotated to face an open space after 4 attempts. Reverting to original direction: " + initialPlayerDirForRotationCheck);
		player.dir = initialPlayerDirForRotationCheck;
		// A more robust fallback could be to find ANY open adjacent cell and face it,
		// but for now, reverting or keeping the last attempted direction is acceptable.
	}
	// --- End Player Spawn Logic ---
	// Create monsters
	var monstersToPlace = MONSTER_COUNT + Math.floor(player.level * 0.5);
	for (var i = 0; i < monstersToPlace; i++) {
		placeMonster();
	}
	// Create treasures
	placeTreasure(); // Call once to place 1-3 treasures in total per map
	// Place exit gate
	gate = placeGate();
	// Power-ups are now only spawned from opened treasures, not during map generation
}
function placePowerUp() {
	var x, y;
	var attempts = 0;
	var powerUpTypes = ['speed', 'defense', 'health', 'attack'];
	var randomType = powerUpTypes[Math.floor(Math.random() * powerUpTypes.length)];
	do {
		x = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		y = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		attempts++;
		if (attempts > 100) {
			break;
		}
	} while (map[y][x].type !== 0 || map[y][x].monster || map[y][x].treasure || map[y][x].gate || mapCellHasPowerUp(x, y));
	if (attempts <= 100) {
		var powerUp = new PowerUp(randomType);
		powerUp.mapX = x + 0.5; // Center in cell
		powerUp.mapY = y + 0.5; // Center in cell
		powerUps.push(powerUp);
		dynamicEntitiesContainer.addChild(powerUp);
	}
}
function mapCellHasPowerUp(cellX, cellY) {
	for (var i = 0; i < powerUps.length; i++) {
		if (Math.floor(powerUps[i].mapX) === cellX && Math.floor(powerUps[i].mapY) === cellY) {
			return true;
		}
	}
	return false;
}
function placeMonster() {
	// Find a random empty cell
	var x, y;
	var attempts = 0;
	do {
		x = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		y = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		attempts++;
		// Make sure it's not too close to the player
		var distToPlayer = Math.sqrt(Math.pow(x - player.x, 2) + Math.pow(y - player.y, 2));
		if (attempts > 100) {
			break;
		} // Prevent infinite loop
	} while (map[y][x].type !== 0 || map[y][x].monster || map[y][x].treasure || distToPlayer < 3);
	if (attempts <= 100) {
		map[y][x].addMonster();
		var monster;
		// Randomly decide to spawn a regular Monster or an EyeballMonster
		if (Math.random() < 0.4) {
			// 40% chance for an EyeballMonster
			monster = new EyeballMonster();
			monster.health = 2; // EyeballMonster has fixed 2 HP
			// monster.startBobbing(); // Call removed as bobbing is disabled
		} else {
			monster = new Monster();
			monster.health = 2 + Math.floor(player.level / 3); // Regular monster health scaling
		}
		// Common monster setup
		monster.mapX = x + 0.5; // Center in cell
		monster.mapY = y + 0.5; // Center in cell
		// Initialize attack cooldown properties for all monster types
		// These might be defined in individual monster classes but ensuring they exist for MonsterAI
		if (monster.attackCooldown === undefined) {
			monster.attackCooldown = 2000;
		} // Default if not set
		if (monster.lastAttackTime === undefined) {
			monster.lastAttackTime = 0;
		}
		if (monster.canAttack === undefined) {
			monster.canAttack = true;
		}
		monsters.push(monster);
		dynamicEntitiesContainer.addChild(monster);
	}
}
function placeTreasure() {
	var potentialSpots = [];
	var deadEndSpots = [];
	// Iterate through the map (excluding borders initially for simplicity in dead-end logic)
	// to find all valid floor cells for treasure.
	for (var y = 1; y < MAP_SIZE - 1; y++) {
		for (var x = 1; x < MAP_SIZE - 1; x++) {
			if (map[y] && map[y][x] && map[y][x].type === 0 && !map[y][x].monster && !map[y][x].treasure &&
			// Check if cell already has a treasure (though addTreasure also checks)
			!map[y][x].gate) {
				potentialSpots.push({
					x: x,
					y: y
				});
			}
		}
	}
	if (potentialSpots.length === 0) {
		return; // No suitable spots found
	}
	// Identify dead ends from the list of potential spots
	for (var i = 0; i < potentialSpots.length; i++) {
		var spot = potentialSpots[i];
		var openNeighbors = 0;
		var neighbors = [{
			dx: 0,
			dy: -1
		},
		// North
		{
			dx: 1,
			dy: 0
		},
		// East
		{
			dx: 0,
			dy: 1
		},
		// South
		{
			dx: -1,
			dy: 0
		} // West
		];
		for (var j = 0; j < neighbors.length; j++) {
			var nx = spot.x + neighbors[j].dx;
			var ny = spot.y + neighbors[j].dy;
			// Check bounds and if neighbor is a floor cell
			if (nx >= 0 && nx < MAP_SIZE && ny >= 0 && ny < MAP_SIZE && map[ny] && map[ny][nx] && map[ny][nx].type === 0) {
				openNeighbors++;
			}
		}
		if (openNeighbors === 1) {
			deadEndSpots.push(spot);
		}
	}
	// Only spawn treasures in dead ends, and limit to 1-3 per map (total)
	var maxTreasures = 1 + Math.floor(Math.random() * 3); // 1 to 3 treasures
	if (deadEndSpots.length === 0) {
		return; // No dead ends found, do not spawn treasure
	}
	if (deadEndSpots.length > 1) {
		// Shuffle deadEndSpots
		for (var i = deadEndSpots.length - 1; i > 0; i--) {
			var j = Math.floor(Math.random() * (i + 1));
			var temp = deadEndSpots[i];
			deadEndSpots[i] = deadEndSpots[j];
			deadEndSpots[j] = temp;
		}
	}
	var treasuresPlaced = 0;
	for (var i = 0; i < deadEndSpots.length && treasuresPlaced < maxTreasures; i++) {
		var spot = deadEndSpots[i];
		var cellX = spot.x;
		var cellY = spot.y;
		// Check if the spot is the player's current location
		if (cellX === Math.floor(player.x) && cellY === Math.floor(player.y)) {
			continue; // Skip this spot if it's where the player is
		}
		// Double-check if we can add treasure to this cell (MapCell's own logic)
		if (map[cellY] && map[cellY][cellX] && map[cellY][cellX].addTreasure()) {
			var treasure = new Treasure();
			treasure.mapX = cellX + 0.5; // Center treasure in the cell
			treasure.mapY = cellY + 0.5; // Center treasure in the cell
			treasure.value = 1 + Math.floor(Math.random() * player.level);
			treasures.push(treasure);
			dynamicEntitiesContainer.addChild(treasure);
			treasuresPlaced++;
		}
	}
}
function placeGate() {
	// Place gate in a random valid location
	var x, y;
	var attempts = 0;
	var validPositions = [];
	// Collect all valid positions first
	for (var i = 0; i < 100; i++) {
		x = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		y = Math.floor(Math.random() * (MAP_SIZE - 2)) + 1;
		// Check if the cell is suitable
		if (map[y][x].type === 0 && !map[y][x].monster && !map[y][x].treasure && !map[y][x].gate) {
			// Make sure it's not too close to the player (at least 2 cells away)
			var distToPlayer = Math.sqrt(Math.pow(x - player.x, 2) + Math.pow(y - player.y, 2));
			if (distToPlayer > 2) {
				// Add to valid positions
				validPositions.push({
					x: x,
					y: y
				});
			}
		}
	}
	// If we found valid spots, choose one randomly
	if (validPositions.length > 0) {
		// Pick a random position from the valid ones
		var randomIndex = Math.floor(Math.random() * validPositions.length);
		var chosenPos = validPositions[randomIndex];
		var gateX = chosenPos.x;
		var gateY = chosenPos.y;
		// Place the gate
		map[gateY][gateX].addGate();
		var gate = new Gate();
		gate.mapX = gateX;
		gate.mapY = gateY;
		dynamicEntitiesContainer.addChild(gate);
		return gate;
	}
	return null;
}
function createUI() {
	// Health display
	healthText = new Text2('Health: ' + player.health, {
		size: 40,
		fill: 0xFF5555
	});
	healthText.anchor.set(0, 0);
	LK.gui.topRight.addChild(healthText);
	healthText.x = -200;
	healthText.y = 20;
	// Score display
	scoreText = new Text2('Score: ' + player.score, {
		size: 40,
		fill: 0xFFFF55
	});
	scoreText.anchor.set(0, 0);
	LK.gui.topRight.addChild(scoreText);
	scoreText.x = -200;
	scoreText.y = 80;
	// Level display
	levelText = new Text2('Level: ' + player.level, {
		size: 40,
		fill: 0x55FF55
	});
	levelText.anchor.set(0, 0);
	LK.gui.topRight.addChild(levelText);
	levelText.x = -200;
	levelText.y = 140;
	// Monster counter display
	monsterText = new Text2('Monsters: 0', {
		size: 40,
		fill: 0xFF9955
	});
	monsterText.anchor.set(0, 0);
	LK.gui.topRight.addChild(monsterText);
	monsterText.x = -200;
	monsterText.y = 200;
	// Update UI displays
	updateUI();
}
function updateUI() {
	healthText.setText('Health: ' + player.health);
	scoreText.setText('Score: ' + player.score);
	levelText.setText('Level: ' + player.level);
	monsterText.setText('Monsters: ' + monsters.length);
	// Update score in LK system
	LK.setScore(player.score);
}
function createControlButtons() {
	// Create joystick control for movement
	controlButtons.joystick = new JoystickController();
	controlButtons.joystick.x = 400;
	controlButtons.joystick.y = 2732 - 500;
	gameLayer.addChild(controlButtons.joystick);
	// Using the global layer system - no need to recreate layers here
	// Create attack button more centered on the right side
	controlButtons.attack = new ControlButton('attack');
	controlButtons.attack.x = 2048 - 400;
	controlButtons.attack.y = 2732 - 500;
	gameLayer.addChild(controlButtons.attack);
	// Add right hand at the bottom right for projectile firing
	globalRightHand = LK.getAsset('rightHand', {
		anchorX: 0.5,
		anchorY: 0.9,
		scaleX: 1.2,
		scaleY: 1.2
	});
	globalRightHand.x = 2048 * 0.6; // Position just off right of middle
	globalRightHand.y = 2732; // Bottom of the screen
	handLayer.addChild(globalRightHand);
	// Add pulse and float animation to give the hand some life
	var _animateHand = function animateHand() {
		// Get a small random x offset between -40 and 40 pixels
		var randomXOffset = Math.random() * 80 - 40;
		// Store original X position if not set yet
		if (globalRightHand.originalX === undefined) {
			globalRightHand.originalX = globalRightHand.x;
		}
		// Slow scale pulse animation with random left/right movement
		tween(globalRightHand, {
			scaleX: 1.1,
			scaleY: 1.1,
			x: globalRightHand.originalX + randomXOffset,
			y: 2732 - 15 // Float up slightly from base position
		}, {
			duration: 1800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Get another random x offset for the return animation
				var returnRandomXOffset = Math.random() * 40 - 20;
				tween(globalRightHand, {
					scaleX: 1.1,
					scaleY: 1.1,
					x: globalRightHand.originalX + returnRandomXOffset,
					y: 2732 // Return to original position
				}, {
					duration: 1800,
					easing: tween.easeInOut,
					onFinish: _animateHand
				});
			}
		});
	};
	// Start the hand animation
	_animateHand();
}
function castRayDDAInto(startX, startY, rayDirX, rayDirY, result) {
	// Pre-compute map coordinates only once
	var mapX = Math.floor(startX);
	var mapY = Math.floor(startY);
	// Early bounds check to avoid unnecessary computation
	if (mapX < 0 || mapX >= MAP_SIZE || mapY < 0 || mapY >= MAP_SIZE) {
		result.wallHit = true;
		result.distance = MAX_RENDER_DISTANCE;
		result.side = 0;
		result.wallType = 1; // Default wall type if out of bounds
		result.mapX = mapX;
		result.mapY = mapY;
		return;
	}
	// Pre-compute these reciprocals once to avoid division in the loop
	var deltaDistX = Math.abs(rayDirX) < 0.0001 ? 9999999 : Math.abs(1 / rayDirX);
	var deltaDistY = Math.abs(rayDirY) < 0.0001 ? 9999999 : Math.abs(1 / rayDirY);
	var stepX, stepY, sideDistX, sideDistY;
	// Optimize direction calculations with ternary operators
	stepX = rayDirX < 0 ? -1 : 1;
	sideDistX = rayDirX < 0 ? (startX - mapX) * deltaDistX : (mapX + 1.0 - startX) * deltaDistX;
	stepY = rayDirY < 0 ? -1 : 1;
	sideDistY = rayDirY < 0 ? (startY - mapY) * deltaDistY : (mapY + 1.0 - startY) * deltaDistY;
	// Use a maximum iteration count to prevent potential infinite loops
	var hit = false;
	var side = 0;
	var maxIterations = MAP_SIZE * 2; // Maximum map traversal
	var iterations = 0;
	// Main DDA loop with iteration limit
	while (!hit && iterations < maxIterations) {
		// Store the smaller of the two side distances for optimization
		if (sideDistX < sideDistY) {
			sideDistX += deltaDistX;
			mapX += stepX;
			side = 0;
		} else {
			sideDistY += deltaDistY;
			mapY += stepY;
			side = 1;
		}
		// Fast bounds check
		if (mapX < 0 || mapX >= MAP_SIZE || mapY < 0 || mapY >= MAP_SIZE) {
			hit = true; // Ray went out of bounds
			continue;
		}
		// Fast wall check - avoid accessing map if possible
		if (map[mapY] && map[mapY][mapX] && map[mapY][mapX].type === 1) {
			hit = true;
		}
		iterations++;
	}
	// Calculate distance precisely for the current ray hit
	var perpWallDist;
	if (hit) {
		// Only calculate precise distance if a wall was hit (or went out of bounds)
		if (side === 0) {
			perpWallDist = (mapX - startX + (1 - stepX) / 2) / rayDirX;
		} else {
			perpWallDist = (mapY - startY + (1 - stepY) / 2) / rayDirY;
		}
		// Clamp distance
		perpWallDist = Math.max(0.001, Math.min(MAX_RENDER_DISTANCE, perpWallDist));
	} else {
		// No wall hit within maxIterations, treat as max distance
		perpWallDist = MAX_RENDER_DISTANCE;
	}
	result.wallHit = hit;
	result.distance = perpWallDist;
	result.side = side;
	// Determine wallType only if hit and within bounds
	if (hit && mapX >= 0 && mapX < MAP_SIZE && mapY >= 0 && mapY < MAP_SIZE && map[mapY] && map[mapY][mapX]) {
		result.wallType = map[mapY][mapX].type;
	} else {
		result.wallType = 1; // Default or out-of-bounds wall type
	}
	result.mapX = mapX;
	result.mapY = mapY;
}
// Separate the raycasting logic from the visual updates
function fullRayCasting() {
	floorCaster.update(player.x, player.y, player.dir);
	// Pre-calculate values needed for all rays
	var playerX = player.x;
	var playerY = player.y;
	var playerDir = player.dir;
	// Process all rays at once
	for (var rayIdx = 0; rayIdx < NUM_RAYS; rayIdx++) {
		var rayResult = rayResults[rayIdx]; // Use pre-allocated object
		// Calculate ray angle and direction
		var rayAngle = playerDir - HALF_FOV + rayIdx / NUM_RAYS * FOV;
		var rayDirX = Math.cos(rayAngle);
		var rayDirY = Math.sin(rayAngle);
		// Get ray hit info - populates rayResult
		castRayDDAInto(playerX, playerY, rayDirX, rayDirY, rayResult);
		// rayResult.distance is perpWallDist
		if (rayResult.wallHit) {
			// Calculate final strip properties and store in rayResult
			rayResult.actualDistance = rayResult.distance * Math.cos(rayAngle - playerDir);
			rayResult.wallHeight = Math.max(STRIP_WIDTH, Math.min(2732, WALL_HEIGHT_FACTOR / rayResult.actualDistance));
			var wallX;
			if (rayResult.side === 0) {
				wallX = playerY + rayResult.distance * rayDirY;
			} else {
				wallX = playerX + rayResult.distance * rayDirX;
			}
			var texturePos = wallX * 64; // This scales wallX so one unit of wallX effectively spans 64 original texture slices.
			// New logic for selecting from slices 6-35 repeating
			// Original calculation provided an index from 0 to 63 for a 64-slice block.
			var baseIndexOriginal64 = Math.floor(texturePos) % 64;
			var numNewSlices = 30; // Slices 6 through 35 inclusive (35 - 6 + 1 = 30 textures)
			// Map the 0-63 original index to a 0-29 index for our new 30-slice repeating block.
			var newSliceIndexInRepeatingBlock = baseIndexOriginal64 % numNewSlices;
			// Offset this 0-29 index to match the desired range of 6-35.
			var tileIndex = 6 + newSliceIndexInRepeatingBlock; // tileIndex will be from 6 to 35 (e.g. walltile6 to walltile35)
			// Apply reflection based on side and ray direction, similar to original.
			// The reflection should map within the new range [6, 35].
			var minTexIdNewRange = 6;
			var maxTexIdNewRange = 35;
			if (rayResult.side === 0 && rayDirX > 0) {
				// Reflects: e.g., if min=6, max=35: 6 maps to 35, 7 to 34, ..., 35 to 6.
				// Formula: new_min + (new_max - current_value_in_new_range)
				tileIndex = minTexIdNewRange + (maxTexIdNewRange - tileIndex);
			}
			if (rayResult.side === 1 && rayDirY < 0) {
				// Same reflection logic for this case.
				tileIndex = minTexIdNewRange + (maxTexIdNewRange - tileIndex);
			}
			rayResult.textureIndex = tileIndex;
			rayResult.screenX = Math.round(rayIdx * STRIP_WIDTH + (2048 - NUM_RAYS * STRIP_WIDTH) / 2);
			// Update strip with calculated values
			var strip = wallSegments[rayIdx];
			strip.x = rayResult.screenX;
			strip.updateStrip(STRIP_WIDTH, rayResult.wallHeight, rayIdx, rayResult.wallType, rayResult.actualDistance, 0, rayResult.side, rayResult.textureIndex, rayResult.mapX, rayResult.mapY);
			strip.visible = true;
			// Add to renderableObjects (cleared each frame in game.update, so always push)
			renderableObjects.push({
				distance: rayResult.actualDistance,
				object: strip,
				type: 'wall',
				originalSortOrder: rayIdx
			});
		} else {
			// Clear strip if no wall was hit
			var strip = wallSegments[rayIdx];
			if (strip && strip.clearStrip) {
				strip.clearStrip();
				strip.visible = false;
			}
			// Ensure wallHit is false for updateRaycastVisuals
			rayResult.wallHit = false;
		}
	}
}
function updateRaycastVisuals() {
	// floorCaster.update is handled by the main rayCasting function if this optimization path is taken.
	// Or, if floor/ceiling should update even on minor moves, it can be called here too.
	// For now, following prompt implies floor/ceiling only updates on fullRayCasting.
	// Process all rays using cached data
	for (var rayIdx = 0; rayIdx < NUM_RAYS; rayIdx++) {
		var rayResult = rayResults[rayIdx]; // Use cached data
		if (rayResult.wallHit) {
			// Check cached wallHit
			// Update strip with cached values
			var strip = wallSegments[rayIdx];
			strip.x = rayResult.screenX;
			strip.updateStrip(STRIP_WIDTH, rayResult.wallHeight, rayIdx, rayResult.wallType, rayResult.actualDistance, 0, rayResult.side, rayResult.textureIndex, rayResult.mapX, rayResult.mapY);
			strip.visible = true;
			// Add to renderableObjects using cached distance (cleared each frame in game.update, so always push)
			renderableObjects.push({
				distance: rayResult.actualDistance,
				object: strip,
				type: 'wall',
				originalSortOrder: rayIdx
			});
		} else {
			// Clear strip if no wall was hit (based on cache)
			var strip = wallSegments[rayIdx];
			if (strip && strip.clearStrip) {
				strip.clearStrip();
				strip.visible = false;
			}
		}
	}
}
function rayCasting() {
	// Check if player has moved enough to require new raycasting
	// A small threshold helps prevent floating point inaccuracies from triggering constant raycasts.
	var playerMoved = Math.abs(player.x - lastPlayerX) > 0.001 || Math.abs(player.y - lastPlayerY) > 0.001 || Math.abs(player.dir - lastPlayerDir) > 0.001;
	// Only perform full raycasting if needed
	if (playerMoved || shouldRaycast) {
		// Perform full raycasting (this also updates floor/ceiling via floorCaster.update)
		fullRayCasting();
		// Update cached player position and state
		lastPlayerX = player.x;
		lastPlayerY = player.y;
		lastPlayerDir = player.dir;
		shouldRaycast = false; // Reset flag until next explicit request or significant move
	} else {
		// Just update the visual rendering of walls with already calculated ray data
		// Floor/ceiling are NOT updated in this path, as per optimization.
		updateRaycastVisuals();
	}
}
function renderEntities() {
	var allDynamicEntities = monsters.concat(treasures).concat(powerUps.filter(function (p) {
		return !p.collected;
	}));
	if (gate) {
		allDynamicEntities.push(gate);
	}
	// visibleEntities array and local sorting are no longer needed here.
	// Entities will be added to the global renderableObjects array.
	for (var i = 0; i < allDynamicEntities.length; i++) {
		var entity = allDynamicEntities[i];
		entity.visible = false; // Hide by default, will be set true if it should be rendered.
		var dx = entity.mapX - player.x;
		var dy = entity.mapY - player.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		entity.renderDist = dist; // Store distance for sorting
		if (dist >= MAX_RENDER_DISTANCE) {
			// Too far to render
			continue;
		}
		var angle = Math.atan2(dy, dx) - player.dir;
		// Normalize angle to be within -PI to PI range
		while (angle < -Math.PI) {
			angle += Math.PI * 2;
		}
		while (angle > Math.PI) {
			angle -= Math.PI * 2;
		}
		if (Math.abs(angle) < HALF_FOV) {
			// Check if entity is within Field of View
			var rayHit = castRayToPoint(player.x, player.y, entity.mapX, entity.mapY);
			// Check if there's a clear Line of Sight to the entity
			// (dist - 0.5 is a small tolerance, e.g. for entity's own depth/size)
			if (!rayHit.hit || rayHit.dist > dist - 0.5) {
				entity.visible = true; // Mark as visible for rendering
				var screenX = (0.5 + angle / FOV) * 2048; // Project to screen X
				var height = WALL_HEIGHT_FACTOR / dist; // Calculate perceived height
				var scale = height / 100; // Assuming base asset height is 100 for scaling
				entity.x = screenX;
				// Y position calculation
				var screenY_horizon = 2732 / 2;
				var player_camera_height_projection_factor = WALL_HEIGHT_FACTOR * 0.5; // Simulates camera height
				var screenY_for_floor_at_dist = screenY_horizon + player_camera_height_projection_factor / dist;
				var z_to_screen_pixels_factor = WALL_HEIGHT_FACTOR;
				if (entity instanceof Treasure) {
					// Treasures are on the floor. Their anchor is 0.5 (center).
					// To place the bottom of the treasure on the 'screenY_for_floor_at_dist' line,
					// its center (entity.y) must be 'screenY_for_floor_at_dist - actualRenderedHeight / 2'.
					// 'scale' is (WALL_HEIGHT_FACTOR / dist) / 100, calculated a few lines above.
					// 'texture.height' is the original asset height.
					var currentSprite = entity.isOpen ? entity.treasureOpenSprite : entity.treasureSprite;
					// Per LK guidelines, .width and .height on an asset provide its original dimensions.
					// The error indicates currentSprite.texture is undefined, so we use currentSprite.height instead.
					var currentSpriteOriginalHeight = currentSprite.height;
					var actualRenderedHeight = currentSpriteOriginalHeight * scale; // 'scale' is the calculated scale for this frame
					// Adjusted from actualRenderedHeight / 2 (which is * 0.5) to * 0.45
					// This subtracts a slightly smaller amount, making entity.y larger (lower on screen).
					entity.y = screenY_for_floor_at_dist - actualRenderedHeight * 0.2;
				} else if (entity instanceof PowerUp) {
					var powerUpWorldZ = entity.verticalOffset; // PowerUps have verticalOffset from chest
					var screenY_offset_due_to_worldZ = powerUpWorldZ * z_to_screen_pixels_factor / dist;
					// currentBobOffset for PowerUp is in screen pixels.
					entity.y = screenY_for_floor_at_dist - screenY_offset_due_to_worldZ + entity.currentBobOffset - height / 2;
				} else if (entity instanceof EyeballMonster) {
					var eyeballWorldZ = entity.baseWorldYOffset; // currentBobbingYOffset removed
					var screenY_offset_due_to_worldZ = eyeballWorldZ * z_to_screen_pixels_factor / dist;
					entity.y = screenY_for_floor_at_dist - screenY_offset_due_to_worldZ; // Eyeball anchor is 0.5, already centered.
				} else if (entity instanceof Monster || entity instanceof Gate) {
					// Regular Monsters and Gates are vertically centered at the horizon line for their distance.
					// Their perceived height 'height' is centered on this line.
					entity.y = screenY_horizon;
				} else {
					// Fallback for any other entity type (should ideally be handled above)
					entity.y = screenY_horizon;
				}
				// Scale adjustments
				if (entity instanceof PowerUp) {
					var finalScale = scale * entity.spawnScaleMultiplier; // Apply spawn scale animation
					entity.scale.set(finalScale, finalScale);
				} else {
					// Covers Treasure, Monster, EyeballMonster, Gate (except PowerUp handled above for spawnScaleMultiplier)
					entity.scale.set(scale, scale);
				}
				// Apply distance-based tinting to entities
				var SHADE_START_FACTOR_ENTITIES = 0.3; // Match floor/ceiling behavior
				var MIN_SHADE_ENTITIES = 0.2; // General minimum shade for distant entities
				var distanceRatioEntities = dist / MAX_RENDER_DISTANCE;
				var entityShadeFactor = Math.max(MIN_SHADE_ENTITIES, 1 - distanceRatioEntities / SHADE_START_FACTOR_ENTITIES);
				// --- Apply projectile light to entities ---
				var totalProjectileLightInfluenceEntity = 0;
				for (var k = 0; k < projectiles.length; k++) {
					var proj = projectiles[k];
					if (proj.active) {
						var dxProjEntity = proj.worldX - entity.mapX;
						var dyProjEntity = proj.worldY - entity.mapY;
						var distToProjectileEntitySq = dxProjEntity * dxProjEntity + dyProjEntity * dyProjEntity;
						if (distToProjectileEntitySq < PROJECTILE_LIGHT_RADIUS * PROJECTILE_LIGHT_RADIUS) {
							var distToProjectileEntity = Math.sqrt(distToProjectileEntitySq);
							var distRatioProjEntity = distToProjectileEntity / PROJECTILE_LIGHT_RADIUS;
							var falloffEntity = Math.pow(Math.max(0, 1 - distRatioProjEntity), PROJECTILE_LIGHT_FALLOFF_EXPONENT);
							totalProjectileLightInfluenceEntity += PROJECTILE_LIGHT_MAX_CONTRIBUTION * falloffEntity;
						}
					}
				}
				entityShadeFactor = Math.min(1.0, entityShadeFactor + totalProjectileLightInfluenceEntity);
				// --- End projectile light for entities ---
				var finalEntityTint;
				if (entity instanceof Monster || entity instanceof EyeballMonster) {
					// For Monster and EyeballMonster, 'entity' is the main container.
					// Assuming tinting the container affects its children sprites. Base tint is white (0xFFFFFF).
					var r_ge = Math.floor(0xFF * entityShadeFactor);
					var g_ge = Math.floor(0xFF * entityShadeFactor);
					var b_ge = Math.floor(0xFF * entityShadeFactor);
					finalEntityTint = r_ge << 16 | g_ge << 8 | b_ge;
					entity.tint = finalEntityTint;
					// Alpha is managed by internal sprite animations or visibility logic.
				} else if (entity instanceof Treasure) {
					var baseTreasureTint = 0xdddddd; // Treasure has a specific base tint
					var r_t = baseTreasureTint >> 16 & 0xFF;
					var g_t = baseTreasureTint >> 8 & 0xFF;
					var b_t = baseTreasureTint & 0xFF;
					r_t = Math.floor(r_t * entityShadeFactor);
					g_t = Math.floor(g_t * entityShadeFactor);
					b_t = Math.floor(b_t * entityShadeFactor);
					finalEntityTint = r_t << 16 | g_t << 8 | b_t;
					var targetSprite = entity.isOpen ? entity.treasureOpenSprite : entity.treasureSprite;
					targetSprite.tint = finalEntityTint;
					// Preserve targetSprite.alpha for open/close animation.
				} else if (entity instanceof PowerUp) {
					// PowerUp sprite base tint is white (0xFFFFFF).
					var r_p = Math.floor(0xFF * entityShadeFactor);
					var g_p = Math.floor(0xFF * entityShadeFactor);
					var b_p = Math.floor(0xFF * entityShadeFactor);
					finalEntityTint = r_p << 16 | g_p << 8 | b_p;
					entity.powerUpSprite.tint = finalEntityTint;
					// Preserve entity.powerUpSprite.alpha for collection animation.
				} else if (entity instanceof Gate) {
					var baseGateTint = 0x00FF00; // Gate is tinted green
					var r_ga = baseGateTint >> 16 & 0xFF;
					var g_ga = baseGateTint >> 8 & 0xFF;
					var b_ga = baseGateTint & 0xFF;
					r_ga = Math.floor(r_ga * entityShadeFactor);
					g_ga = Math.floor(g_ga * entityShadeFactor);
					b_ga = Math.floor(b_ga * entityShadeFactor);
					finalEntityTint = r_ga << 16 | g_ga << 8 | b_ga;
					entity.gateSprite.tint = finalEntityTint;
					// Preserve entity.gateSprite.alpha for its pulse animation.
				}
				// Add to global list for sorting with walls
				renderableObjects.push({
					distance: entity.renderDist,
					object: entity,
					type: 'entity'
				});
			}
		}
	}
	// Sorting and adding to dynamicEntitiesContainer is now done in game.update,
	// after both walls and entities have been added to renderableObjects.
	// dynamicEntitiesContainer.removeChildren(); // Moved
	// visibleEntities.sort(...); // Removed
	// for (var j = 0; j < visibleEntities.length; j++) { // Removed
	//    dynamicEntitiesContainer.addChild(visibleEntities[j]);
	// }
}
function castRayToPoint(startX, startY, targetX, targetY) {
	var rayDirX = targetX - startX;
	var rayDirY = targetY - startY;
	var distance = Math.sqrt(rayDirX * rayDirX + rayDirY * rayDirY);
	rayDirX /= distance;
	rayDirY /= distance;
	var mapCheckX = Math.floor(startX);
	var mapCheckY = Math.floor(startY);
	var stepSizeX = Math.abs(1 / rayDirX);
	var stepSizeY = Math.abs(1 / rayDirY);
	var stepX = rayDirX >= 0 ? 1 : -1;
	var stepY = rayDirY >= 0 ? 1 : -1;
	var sideDistX, sideDistY;
	if (rayDirX < 0) {
		sideDistX = (startX - mapCheckX) * stepSizeX;
	} else {
		sideDistX = (mapCheckX + 1.0 - startX) * stepSizeX;
	}
	if (rayDirY < 0) {
		sideDistY = (startY - mapCheckY) * stepSizeY;
	} else {
		sideDistY = (mapCheckY + 1.0 - startY) * stepSizeY;
	}
	var hit = false;
	var side = 0;
	var distToWall = 0;
	while (!hit && distToWall < distance) {
		if (sideDistX < sideDistY) {
			sideDistX += stepSizeX;
			mapCheckX += stepX;
			side = 0;
			distToWall = sideDistX - stepSizeX;
		} else {
			sideDistY += stepSizeY;
			mapCheckY += stepY;
			side = 1;
			distToWall = sideDistY - stepSizeY;
		}
		if (mapCheckX < 0 || mapCheckX >= MAP_SIZE || mapCheckY < 0 || mapCheckY >= MAP_SIZE || !map[mapCheckY] || !map[mapCheckY][mapCheckX]) {
			break;
		} else if (map[mapCheckY][mapCheckX].type === 1) {
			hit = true;
		}
	}
	return {
		hit: hit,
		dist: distToWall
	};
}
function updateControls() {
	var joystick = controlButtons.joystick;
	var currentJoystickX, currentJoystickY, isJoystickConsideredActive;
	if (joystickOverrideActive) {
		currentJoystickX = joystickOverrideX;
		currentJoystickY = joystickOverrideY;
		isJoystickConsideredActive = true; // Movement continues based on pre-attack state
	} else if (joystick && joystick.active) {
		currentJoystickX = joystick.normalizedX;
		currentJoystickY = joystick.normalizedY;
		isJoystickConsideredActive = true;
	} else {
		currentJoystickX = 0;
		currentJoystickY = 0;
		isJoystickConsideredActive = false;
	}
	if (isJoystickConsideredActive) {
		controls.forward = currentJoystickY < -0.3;
		controls.backward = currentJoystickY > 0.3;
		controls.left = currentJoystickX < -0.3;
		controls.right = currentJoystickX > 0.3;
	} else {
		controls.forward = false;
		controls.backward = false;
		controls.left = false;
		controls.right = false;
	}
	// Check if player is in front of an interactable object (treasure or power-up)
	var showInteract = false;
	var interactableObject = null; // Generic variable for treasure or power-up
	// Priority 1: Check for treasures
	for (var i = 0; i < treasures.length; i++) {
		var t = treasures[i];
		if (t.isOpen) {
			continue;
		}
		var dx_t = t.mapX - player.x;
		var dy_t = t.mapY - player.y;
		var dist_t = Math.sqrt(dx_t * dx_t + dy_t * dy_t);
		if (dist_t < 0.7) {
			//{cN} // Interaction range
			var angleToTreasure = Math.atan2(dy_t, dx_t);
			var angleDiff_t = Math.abs((player.dir - angleToTreasure + Math.PI * 3) % (Math.PI * 2) - Math.PI);
			if (angleDiff_t < Math.PI / 3) {
				// 60-degree cone
				showInteract = true;
				interactableObject = t;
				break; //{cO} 
			}
		}
	}
	// Priority 2: If no treasure, check for power-ups
	if (!showInteract) {
		for (var i = 0; i < powerUps.length; i++) {
			var p = powerUps[i];
			if (p.collected) {
				continue;
			}
			var dx_p = p.mapX - player.x;
			var dy_p = p.mapY - player.y;
			var dist_p = Math.sqrt(dx_p * dx_p + dy_p * dy_p);
			if (dist_p < 0.7) {
				// Same interaction range
				var angleToPowerUp = Math.atan2(dy_p, dx_p);
				var angleDiff_p = Math.abs((player.dir - angleToPowerUp + Math.PI * 3) % (Math.PI * 2) - Math.PI);
				if (angleDiff_p < Math.PI / 3) {
					// Same 60-degree cone
					showInteract = true;
					interactableObject = p;
					break;
				}
			}
		}
	}
	// Update attack button's interact state and target
	controlButtons.attack.isInteract = showInteract;
	controlButtons.attack.interactTarget = interactableObject; // Use the new generic property name
	// Read from attack/interact button
	controls.attack = controlButtons.attack.pressed;
}
function getDistanceToNearestWall(x, y) {
	var minDist = Infinity;
	// Check a larger area around the player
	var checkRadius = 2; // Check 2 cells in each direction
	var startX = Math.max(0, Math.floor(x) - checkRadius);
	var endX = Math.min(MAP_SIZE - 1, Math.floor(x) + checkRadius);
	var startY = Math.max(0, Math.floor(y) - checkRadius);
	var endY = Math.min(MAP_SIZE - 1, Math.floor(y) + checkRadius);
	for (var cellY = startY; cellY <= endY; cellY++) {
		for (var cellX = startX; cellX <= endX; cellX++) {
			if (map[cellY] && map[cellY][cellX] && map[cellY][cellX].type === 1) {
				// This is a wall cell, calculate distance to the nearest edge of this cell
				var wallLeft = cellX;
				var wallRight = cellX + 1;
				var wallTop = cellY;
				var wallBottom = cellY + 1;
				// Calculate distance to the nearest edge of the wall cell
				var distX = Math.max(0, Math.max(wallLeft - x, x - wallRight));
				var distY = Math.max(0, Math.max(wallTop - y, y - wallBottom));
				var distToWall = Math.sqrt(distX * distX + distY * distY);
				minDist = Math.min(minDist, distToWall);
			}
		}
	}
	return minDist;
}
function pushPlayerAwayFromWalls() {
	var currentDist = getDistanceToNearestWall(player.x, player.y);
	if (currentDist < WALL_BUFFER) {
		// Player is too close to a wall, find the direction away from the nearest wall
		var pushDistance = WALL_BUFFER - currentDist + 0.05; // Add small extra margin
		// Calculate the gradient (direction of steepest distance increase)
		var gradStep = 0.01;
		var distRight = getDistanceToNearestWall(player.x + gradStep, player.y);
		var distLeft = getDistanceToNearestWall(player.x - gradStep, player.y);
		var distUp = getDistanceToNearestWall(player.x, player.y - gradStep);
		var distDown = getDistanceToNearestWall(player.x, player.y + gradStep);
		var gradX = (distRight - distLeft) / (2 * gradStep);
		var gradY = (distDown - distUp) / (2 * gradStep);
		// Normalize the gradient
		var gradMag = Math.sqrt(gradX * gradX + gradY * gradY);
		if (gradMag > 0) {
			gradX /= gradMag;
			gradY /= gradMag;
			// Move in the direction of the gradient
			var newX = player.x + gradX * pushDistance;
			var newY = player.y + gradY * pushDistance;
			if (canMoveTo(newX, newY)) {
				player.x = newX;
				player.y = newY;
			} else {
				// If gradient direction doesn't work, try radial push
				var angles = [0, Math.PI / 4, Math.PI / 2, 3 * Math.PI / 4, Math.PI, 5 * Math.PI / 4, 3 * Math.PI / 2, 7 * Math.PI / 4];
				for (var i = 0; i < angles.length; i++) {
					var testX = player.x + Math.cos(angles[i]) * pushDistance;
					var testY = player.y + Math.sin(angles[i]) * pushDistance;
					if (canMoveTo(testX, testY)) {
						player.x = testX;
						player.y = testY;
						break;
					}
				}
			}
		}
	}
}
function canMoveTo(targetX, targetY) {
	var cellX = Math.floor(targetX);
	var cellY = Math.floor(targetY);
	// Check bounds: if target is outside map, cannot move.
	if (cellX < 0 || cellX >= MAP_SIZE || cellY < 0 || cellY >= MAP_SIZE || !map[cellY] || !map[cellY][cellX]) {
		return false;
	}
	// Check if the target cell itself is a wall
	if (map[cellY][cellX].type === 1) {
		return false;
	}
	// Prevent walking through treasures (if any treasure is in this cell and not open)
	for (var i = 0; i < treasures.length; i++) {
		var t = treasures[i];
		if (Math.floor(t.mapX) === cellX && Math.floor(t.mapY) === cellY && !t.isOpen) {
			return false;
		}
	}
	// Check if the player would be too close to any wall
	var distToWall = getDistanceToNearestWall(targetX, targetY);
	return distToWall >= WALL_BUFFER;
}
function canMonsterMoveTo(targetX, targetY, monster) {
	var targetCellX = Math.floor(targetX);
	var targetCellY = Math.floor(targetY);
	// Check bounds: if target is outside map, cannot move.
	if (targetCellX < 0 || targetCellX >= MAP_SIZE || targetCellY < 0 || targetCellY >= MAP_SIZE || !map[targetCellY] || !map[targetCellY][targetCellX]) {
		return false;
	}
	// Check if the target cell itself is a wall
	if (map[targetCellY][targetCellX].type === 1) {
		return false;
	}
	// Check if another monster is already in the target cell
	for (var i = 0; i < monsters.length; i++) {
		var otherMonster = monsters[i];
		if (otherMonster !== monster && Math.floor(otherMonster.mapX) === targetCellX && Math.floor(otherMonster.mapY) === targetCellY) {
			return false; // Target cell occupied by another monster
		}
	}
	// Check if the monster would be too close to any wall using its own buffer
	var distToActualWall = getDistanceToNearestWall(targetX, targetY);
	return distToActualWall >= MONSTER_WALL_BUFFER;
}
function updateMonsterPosition(monster, newMapX, newMapY) {
	var oldCellX = Math.floor(monster.mapX);
	var oldCellY = Math.floor(monster.mapY);
	var newCellX = Math.floor(newMapX);
	var newCellY = Math.floor(newMapY);
	// Only update map cell occupancy if the monster is actually changing cells
	if (oldCellX !== newCellX || oldCellY !== newCellY) {
		if (map[oldCellY] && map[oldCellY][oldCellX]) {
			// Check if old cell is valid
			map[oldCellY][oldCellX].removeMonster();
		}
		// else: old cell was invalid or monster wasn't registered there.
		if (map[newCellY] && map[newCellY][newCellX]) {
			// Check if new cell is valid
			map[newCellY][newCellX].addMonster();
		} else {
			// Fallback: If new cell is invalid (this implies an issue if canMonsterMoveTo passed)
			// Re-register in old cell if it was valid, and don't move.
			if (map[oldCellY] && map[oldCellY][oldCellX]) {
				map[oldCellY][oldCellX].addMonster();
			}
			return; // Do not tween to an invalid position.
		}
	}
	// Tween the monster's visual/logical position
	tween(monster, {
		mapX: newMapX,
		mapY: newMapY
	}, {
		duration: 300,
		// 300ms smooth animation
		easing: function easing(t) {
			return 1 - Math.pow(1 - t, 4);
		} // quartOut easing
	});
}
function updatePlayerMovement(deltaTime) {
	var moveSpeed = PLAYER_MOVE_SPEED * deltaTime;
	var turnSpeed = PLAYER_TURN_SPEED * deltaTime;
	var didMove = false;
	// Track player's last position to detect state changes
	if (player.lastX === undefined) {
		player.lastX = player.x;
	}
	if (player.lastY === undefined) {
		player.lastY = player.y;
	}
	// Get joystick values for analog control
	var joystick = controlButtons.joystick;
	var turnAmount = 0;
	var moveAmount = 0;
	var currentJoystickX, currentJoystickY, isJoystickConsideredActiveForMovement;
	if (joystickOverrideActive) {
		currentJoystickX = joystickOverrideX;
		currentJoystickY = joystickOverrideY;
		isJoystickConsideredActiveForMovement = true;
	} else if (joystick && joystick.active) {
		currentJoystickX = joystick.normalizedX;
		currentJoystickY = joystick.normalizedY;
		isJoystickConsideredActiveForMovement = true;
	} else {
		currentJoystickX = 0;
		currentJoystickY = 0;
		isJoystickConsideredActiveForMovement = false;
	}
	// Handle rotation - use x-axis for turning
	if (isJoystickConsideredActiveForMovement) {
		var joystickMagnitudeX = Math.abs(currentJoystickX);
		var rampedTurnValue = 0; // Initialize to 0, will be 0 if in dead zone
		var JOYSTICK_TURN_DEAD_ZONE = 0.15; // Threshold below which joystick input for turning is minimal/zero
		var JOYSTICK_TURN_RAMP_EXPONENT = 2.5; // Higher value means more ramping towards the edges
		if (joystickMagnitudeX > JOYSTICK_TURN_DEAD_ZONE) {
			// Remap the input from [JOYSTICK_TURN_DEAD_ZONE, 1.0] to [0.0, 1.0]
			var normalizedInputX = (joystickMagnitudeX - JOYSTICK_TURN_DEAD_ZONE) / (1.0 - JOYSTICK_TURN_DEAD_ZONE);
			// Apply ramping (power curve)
			rampedTurnValue = Math.pow(normalizedInputX, JOYSTICK_TURN_RAMP_EXPONENT);
		}
		var rampedTurnAmount = Math.sign(currentJoystickX) * rampedTurnValue;
		turnAmount = rampedTurnAmount * turnSpeed * 1.4; // Retain existing overall speed multiplier
		player.dir += turnAmount;
		while (player.dir < 0) {
			player.dir += Math.PI * 2;
		}
		while (player.dir >= Math.PI * 2) {
			player.dir -= Math.PI * 2;
		}
	}
	// Also support digital controls for rotation
	else if (controls.left) {
		player.dir -= turnSpeed;
		while (player.dir < 0) {
			player.dir += Math.PI * 2;
		}
	} else if (controls.right) {
		player.dir += turnSpeed;
		while (player.dir >= Math.PI * 2) {
			player.dir -= Math.PI * 2;
		}
	}
	// Calculate movement vector
	var dx = 0,
		dy = 0;
	// Handle movement - use y-axis for forward/backward
	var actualMoveSpeed = moveSpeed * player.moveSpeedMultiplier;
	if (isJoystickConsideredActiveForMovement) {
		moveAmount = -currentJoystickY * actualMoveSpeed; // Negative because up is negative y
		if (Math.abs(moveAmount) > 0.01) {
			dx += Math.cos(player.dir) * moveAmount;
			dy += Math.sin(player.dir) * moveAmount;
			didMove = true;
		}
	}
	// Also support digital controls for movement
	else if (controls.forward) {
		dx += Math.cos(player.dir) * actualMoveSpeed;
		dy += Math.sin(player.dir) * actualMoveSpeed;
		didMove = true;
	} else if (controls.backward) {
		dx -= Math.cos(player.dir) * actualMoveSpeed;
		dy -= Math.sin(player.dir) * actualMoveSpeed;
		didMove = true;
	}
	var inputMoveIntent = didMove;
	didMove = false;
	// Enhanced collision detection with proper wall sliding
	if (dx !== 0 || dy !== 0) {
		var currentX = player.x;
		var currentY = player.y;
		// Try moving to the exact target position first
		var targetX = currentX + dx;
		var targetY = currentY + dy;
		if (canMoveTo(targetX, targetY)) {
			// No collision, move normally
			player.x = targetX;
			player.y = targetY;
			didMove = true;
		} else {
			// Collision detected, try wall sliding
			var moved = false;
			// Try moving only along X axis
			if (dx !== 0 && canMoveTo(currentX + dx, currentY)) {
				player.x = currentX + dx;
				moved = true;
			}
			// Try moving only along Y axis
			if (dy !== 0 && canMoveTo(currentX, currentY + dy)) {
				player.y = currentY + dy;
				moved = true;
			}
			// If basic sliding failed, try gradual movement
			if (!moved) {
				var maxSteps = 10;
				for (var step = 1; step <= maxSteps; step++) {
					var fraction = step / maxSteps;
					// Try X movement with varying intensity
					if (dx !== 0) {
						var testX = currentX + dx * fraction;
						if (canMoveTo(testX, currentY)) {
							player.x = testX;
							moved = true;
							break;
						}
					}
					// Try Y movement with varying intensity
					if (dy !== 0) {
						var testY = currentY + dy * fraction;
						if (canMoveTo(currentX, testY)) {
							player.y = testY;
							moved = true;
							break;
						}
					}
				}
			}
			didMove = moved;
		}
	}
	// Always ensure player maintains proper distance from walls
	pushPlayerAwayFromWalls();
	// Play walk sound if there was input intent AND actual movement occurred
	if (didMove && inputMoveIntent && LK.ticks % 20 === 0) {
		LK.getSound('walk').play();
	}
	// Only attempt to attack if attack button is pressed and we can attack
	if (controls.attack && canAttack) {
		attackAction();
	}
	// Check for collisions with monsters
	checkMonsterCollisions();
	// Check for collisions with treasures
	checkTreasureCollisions();
	// Check for gate collision
	checkGateCollision();
	// Check for collisions with power-ups
	checkPowerUpCollisions();
	// Update player marker on minimap
	updateMiniMap();
	// Update player's last position
	player.lastX = player.x;
	player.lastY = player.y;
}
function checkPowerUpCollisions() {
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerUp = powerUps[i];
		if (powerUp.collected) {
			continue;
		}
		var dx = powerUp.mapX - player.x;
		var dy = powerUp.mapY - player.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < 0.6) {
			// Power-ups are no longer collected by collision.
			// This block is intentionally left empty or can be removed if no other proximity logic is needed.
			// For now, we ensure no collection happens here.
		}
	}
}
function attackAction() {
	// Check if attack is on cooldown
	if (!canAttack) {
		return;
	}
	// Set attack on cooldown
	canAttack = false;
	var currentAttackCooldown = attackCooldown;
	if (player.attackBuffActive) {
		currentAttackCooldown /= 2; // Halve cooldown if attack buff is active
	}
	// Create and fire projectile
	var projectile = new Projectile();
	projectile.fire(globalRightHand.x, globalRightHand.y - 400);
	// Add hand recoil animation
	tween(globalRightHand, {
		y: 2732 - 50,
		rotation: -0.1
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(globalRightHand, {
				y: 2732,
				rotation: 0
			}, {
				duration: 300
			});
		}
	});
	// Add to projectile layer
	projectiles.push(projectile);
	projectileLayer.addChild(projectile);
	// Update attack button visual
	var attackButton = controlButtons.attack;
	attackButton.updateCooldown(0);
	// Cooldown animation
	var _cooldownTick = function cooldownTick(progress) {
		attackButton.updateCooldown(progress);
		if (progress < 1) {
			LK.setTimeout(function () {
				_cooldownTick(progress + 0.05);
			}, currentAttackCooldown / 20); // Use currentAttackCooldown
		}
	};
	_cooldownTick(0);
	// Reset cooldown after specified time
	LK.setTimeout(function () {
		canAttack = true;
	}, currentAttackCooldown); // Use currentAttackCooldown
}
function updateProjectiles(deltaTime) {
	for (var i = projectiles.length - 1; i >= 0; i--) {
		var projectile = projectiles[i];
		// Update projectile position
		var remove = projectile.update(deltaTime);
		// Check if projectile has gone off screen or should be removed
		if (remove) {
			// Remove projectile
			projectile.destroy();
			projectiles.splice(i, 1);
			continue;
		}
		// Check if projectile hits a monster
		var hitMonster = false;
		var hitMonsterIndex = -1;
		for (var j = 0; j < monsters.length; j++) {
			var monster = monsters[j];
			if (monster.visible) {
				// Get the vector from player to monster in world space
				var monsterDx = monster.mapX - player.x;
				var monsterDy = monster.mapY - player.y;
				// Calculate distance to monster in world space
				var monsterDist = Math.sqrt(monsterDx * monsterDx + monsterDy * monsterDy);
				// Calculate the projectile's travel distance in world units
				var projectileWorldDist = projectile.distance;
				// Calculate depth difference: projectile must be at a similar depth to the monster.
				var distanceDifference = Math.abs(projectileWorldDist - monsterDist);
				var depthHit = distanceDifference < 0.5; // Projectile within 0.5 world units of monster's depth.
				// Calculate horizontal collision based on monster's apparent width.
				// monster.width is its current scaled width on screen (approximately WALL_HEIGHT_FACTOR / monsterDist).
				var horizontalDifference = Math.abs(projectile.x - monster.x);
				// The collision zone is a factor of the monster's full apparent width.
				// A factor of 0.6 means the projectile's center needs to be within 0.6 * monster.width of the monster's screen center X.
				// If monster.width is its visual width (e.g. 100px), this means horizontalDifference < 60px.
				// The monster's visual half-width is monster.width / 2 (e.g. 50px).
				// So, this allows the projectile's center to be (0.6 - 0.5) = 0.1 * monster.width (e.g. 10px) outside the visual edge.
				var COLLISION_WIDTH_FACTOR = 0.6; // Adjust this for more/less generous horizontal collision.
				var horizontalHit = horizontalDifference < monster.width * COLLISION_WIDTH_FACTOR;
				// Hit if projectile is close enough in depth AND horizontally aligned considering monster's perceived width.
				if (depthHit && horizontalHit) {
					// NEW: Check if this projectile has already hit this specific monster
					if (projectile.hitMonsters.indexOf(monster) !== -1) {
						continue; // Already hit this monster, check the next one
					}
					// If not, this is a new monster for this projectile. Record the hit.
					projectile.hitMonsters.push(monster);
					hitMonster = true;
					hitMonsterIndex = j;
					break; //{i2} // Found a new monster to hit, break from monster loop
				}
			}
		}
		// Handle monster hit logic (unchanged)
		if (hitMonster && hitMonsterIndex !== -1) {
			var monster = monsters[hitMonsterIndex];
			var killed = monster.takeDamage(player.attackPower); // Use player.attackPower
			if (killed) {
				// Create particle explosion at monster's world position
				createParticleExplosion(monster.mapX, monster.mapY, 200, 0xFF0000); // Red Tint
				map[Math.floor(monster.mapY)][Math.floor(monster.mapX)].removeMonster();
				monster.destroy();
				monsters.splice(hitMonsterIndex, 1);
				player.score += 10;
				updateUI();
				checkLevelCompletion();
			}
			projectile.destroy();
			projectiles.splice(i, 1);
		}
	}
}
function checkMonsterCollisions() {
	var currentTime = Date.now();
	for (var i = 0; i < monsters.length; i++) {
		var monster = monsters[i];
		var dx = monster.mapX - player.x;
		var dy = monster.mapY - player.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < 0.5 && monster.canAttack) {
			// Player hit by monster
			var damageTaken = 1;
			if (player.defenseBuffActive) {
				damageTaken = 0.5; // Halve damage if defense buff is active
			}
			player.health -= damageTaken;
			updateUI();
			// Visual feedback
			LK.effects.flashScreen(0xff0000, 300);
			// Play sound
			LK.getSound('hit').play();
			// Push player back slightly
			player.x -= dx * 0.3;
			player.y -= dy * 0.3;
			// Set monster attack on cooldown
			monster.canAttack = false;
			monster.lastAttackTime = currentTime;
			// Reset monster attack after cooldown
			LK.setTimeout(function () {
				monster.canAttack = true;
			}, monster.attackCooldown);
			// Visual feedback for monster attack
			tween(monster, {
				alpha: 0.5
			}, {
				duration: 200,
				onFinish: function onFinish() {
					tween(monster, {
						alpha: 1
					}, {
						duration: 200
					});
				}
			});
			// Check game over
			if (player.health <= 0) {
				LK.showGameOver();
			}
			break;
		}
	}
}
function checkTreasureCollisions() {
	for (var i = treasures.length - 1; i >= 0; i--) {
		var treasure = treasures[i];
		var dx = treasure.mapX - player.x;
		var dy = treasure.mapY - player.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		// No auto-collect, handled by interact button
	}
}
function checkGateCollision() {
	if (!gate) {
		return;
	}
	var dx = gate.mapX - player.x;
	var dy = gate.mapY - player.y;
	var dist = Math.sqrt(dx * dx + dy * dy);
	if (dist < 0.7) {
		// Check if all monsters need to be defeated first
		if (monsters.length > 0) {
			// Display message that monsters need to be defeated
			var warningText = new Text2('Defeat all monsters\nbefore exiting!', {
				size: 60,
				fill: 0xFF5555
			});
			warningText.anchor.set(0.5, 0.5);
			warningText.x = 2048 / 2;
			warningText.y = 2732 / 2;
			gameLayer.addChild(warningText);
			// Remove text after a few seconds
			LK.setTimeout(function () {
				warningText.destroy();
			}, 2000);
			return;
		}
		// Player reached the gate - complete level
		// Play collect sound
		LK.getSound('collect').play();
		// Add points for completing level
		player.score += 50 * player.level;
		// Remove gate from map
		map[Math.floor(gate.mapY)][Math.floor(gate.mapX)].removeGate();
		gate.destroy();
		gate = null;
		// Level up
		player.level++;
		storage.level = player.level;
		// Restore health, respecting new maxHealth
		player.health = Math.min(player.health + 2, player.maxHealth);
		// Update UI
		updateUI();
		// Show level complete with gate messaging
		var levelCompleteText = new Text2('Level ' + (player.level - 1) + ' Complete!\nYou found the exit!', {
			size: 80,
			fill: 0x00FF55
		});
		levelCompleteText.anchor.set(0.5, 0.5);
		levelCompleteText.x = 2048 / 2;
		levelCompleteText.y = 2732 / 2;
		gameLayer.addChild(levelCompleteText);
		// Generate new level after a delay
		LK.setTimeout(function () {
			levelCompleteText.destroy();
			generateMap();
		}, 2000);
	}
}
function checkLevelCompletion() {
	// Level is only considered "complete" if all monsters are defeated
	// This allows the gate to activate
	if (monsters.length === 0) {
		// If gate is not visible, make it pulse more dramatically to draw attention
		if (gate) {
			tween(gate, {
				alpha: 0.2
			}, {
				duration: 300,
				onFinish: function onFinish() {
					tween(gate, {
						alpha: 1
					}, {
						duration: 300
					});
				}
			});
			// Show hint text
			var gateHintText = new Text2('Find the exit gate!', {
				size: 60,
				fill: 0x00FF55
			});
			gateHintText.anchor.set(0.5, 0.5);
			gateHintText.x = 2048 / 2;
			gateHintText.y = 200;
			gameLayer.addChild(gateHintText);
			// Remove hint after a few seconds
			LK.setTimeout(function () {
				gateHintText.destroy();
			}, 3000);
		}
	} else {
		// Show hint text about defeating monsters first
		if (gate && gate.visible && LK.ticks % 300 === 0) {
			var monsterHintText = new Text2('Defeat all monsters to activate the exit!', {
				size: 60,
				fill: 0xFF5555
			});
			monsterHintText.anchor.set(0.5, 0.5);
			monsterHintText.x = 2048 / 2;
			monsterHintText.y = 200;
			gameLayer.addChild(monsterHintText);
			// Remove hint after a few seconds
			LK.setTimeout(function () {
				monsterHintText.destroy();
			}, 3000);
		}
	}
}
function updateMiniMap() {
	// Update player marker position on minimap
	playerMarker.x = miniMap.x + player.x * CELL_SIZE * MINI_MAP_SCALE;
	playerMarker.y = miniMap.y + player.y * CELL_SIZE * MINI_MAP_SCALE;
	// Draw player direction indicator
	var dirX = Math.cos(player.dir) * 15;
	var dirY = Math.sin(player.dir) * 15;
}
// Game update method
game.update = function () {
	var currentTime = Date.now();
	var deltaTime = currentTime - lastTime;
	lastTime = currentTime;
	// Update controls
	updateControls();
	// Update player
	updatePlayerMovement(deltaTime);
	// --- Rendering Phase ---
	renderableObjects = []; // Clear the list for the current frame
	rayCasting(); // Populates renderableObjects with wall strips
	renderEntities(); // Populates renderableObjects with dynamic entities
	// Sort all collected objects by distance (farthest first)
	// This ensures correct Z-ordering.
	renderableObjects.sort(function (a, b) {
		if (a.distance !== b.distance) {
			return b.distance - a.distance; // Farthest objects (larger distance) come first in the array
		}
		// Tie-breaking for objects at the exact same distance:
		// Render walls on top of entities if distances are equal.
		// This means entities should come earlier in the sorted list (rendered first).
		if (a.type === 'entity' && b.type === 'wall') {
			return -1; // Entity (a) comes before wall (b)
		}
		if (a.type === 'wall' && b.type === 'entity') {
			return 1; // Wall (a) comes after entity (b)
		}
		// For two walls at the same distance, maintain their original screen order (left to right)
		if (a.type === 'wall' && b.type === 'wall') {
			return a.originalSortOrder - b.originalSortOrder;
		}
		// For two entities at same distance, or other unhandled ties, default sort behavior (often stable)
		return 0;
	});
	// Clear the main container for 3D scene elements and add sorted objects
	dynamicEntitiesContainer.removeChildren();
	for (var i = 0; i < renderableObjects.length; i++) {
		var ro = renderableObjects[i];
		// Only add the object if it's marked as visible.
		// Note: ro.object.visible might have been set to false by rayCasting (for empty strips)
		// or renderEntities (for occluded/off-FOV entities).
		if (ro.object.visible) {
			dynamicEntitiesContainer.addChild(ro.object);
		}
	}
	// --- End of Rendering Phase ---
	// Update monsters AI and animations
	// Monster visibility (ro.object.visible) is now correctly set by renderEntities before this logic.
	if (LK.ticks % 15 === 0) {
		// Monster movement less frequent
		for (var i = 0; i < monsters.length; i++) {
			MonsterAI.moveTowardsPlayer(monsters[i], player.x, player.y, map);
		}
	}
	for (var i = 0; i < monsters.length; i++) {
		var monster = monsters[i];
		// Check if monster is visible (set by renderEntities) and has moved
		if (monster.visible && (monster.mapX !== monster.lastMoveX || monster.mapY !== monster.lastMoveY)) {
			monster.updateAnimation();
			// Store current position for next comparison
			monster.lastMoveX = monster.mapX;
			monster.lastMoveY = monster.mapY;
		}
	}
	// Update projectiles
	updateProjectiles(deltaTime);
	// Update particle explosions
	particlePoolManager.updateActiveParticles();
};
// Global function to display power-up effect text messages
var powerUpEffectTextDisplaying = null; // To manage one text at a time
function showPowerUpEffectText(message) {
	// If a text is already displaying, remove it first
	if (powerUpEffectTextDisplaying && powerUpEffectTextDisplaying.parent) {
		tween.stop(powerUpEffectTextDisplaying); // Stop any ongoing tween
		powerUpEffectTextDisplaying.parent.removeChild(powerUpEffectTextDisplaying);
		powerUpEffectTextDisplaying.destroy();
		powerUpEffectTextDisplaying = null;
	}
	var effectText = new Text2(message, {
		size: 80,
		fill: 0xFFFFFF,
		stroke: 0x000000,
		strokeThickness: 7,
		align: 'center',
		wordWrap: true,
		wordWrapWidth: 1800
	});
	effectText.anchor.set(0.5, 0.5);
	effectText.x = 2048 / 2;
	effectText.y = 2732 / 3; // Positioned higher on the screen
	effectText.alpha = 1.0;
	gameLayer.addChild(effectText); // Assuming gameLayer is accessible globally
	powerUpEffectTextDisplaying = effectText;
	LK.setTimeout(function () {
		if (effectText && effectText.parent) {
			// Check if still valid
			tween(effectText, {
				alpha: 0
			}, {
				duration: 500,
				// Fade out over 0.5 seconds
				easing: tween.linear,
				onFinish: function onFinish() {
					if (effectText.parent) {
						effectText.parent.removeChild(effectText);
					}
					effectText.destroy();
					if (powerUpEffectTextDisplaying === effectText) {
						powerUpEffectTextDisplaying = null;
					}
				}
			});
		}
	}, 2500); // Start fade-out after 2.5 seconds
}
// Game initialization
setupGame();
// Event handlers
game.down = function (x, y, obj) {
	activeControlForGlobalHandlers = null; // Reset at the start of a new touch
	var eventObjForAttack = Object.assign({}, obj); // Fresh event object for attack button
	eventObjForAttack.stopPropagation = false;
	var attackBtn = controlButtons.attack;
	var attackBtnLocalX = x - attackBtn.x;
	var attackBtnLocalY = y - attackBtn.y;
	// Use the same generous hit radius as in the original code
	var attackBtnHitRadius = 150 * 3.5;
	var attackBtnDistSq = attackBtnLocalX * attackBtnLocalX + attackBtnLocalY * attackBtnLocalY;
	if (attackBtnDistSq <= attackBtnHitRadius * attackBtnHitRadius) {
		activeControlForGlobalHandlers = attackBtn;
		attackBtn.down(attackBtnLocalX, attackBtnLocalY, eventObjForAttack);
		// If the touch is within the attack button's area, it's considered handled by the attack button,
		// regardless of whether it internally decided to stop propagation (e.g. attack on cooldown).
		// This prevents the joystick from also processing this touch.
		return;
	}
	// If we reach here, the touch was NOT on the attack button.
	// Now check for joystick interaction using original quadrant check.
	var joystick = controlButtons.joystick;
	if (x < 800 && y > 2732 - 800) {
		activeControlForGlobalHandlers = joystick;
		var eventObjForJoystick = Object.assign({}, obj); // Fresh event object for joystick
		eventObjForJoystick.stopPropagation = false;
		// Pass local coordinates to joystick.down
		joystick.down(x - joystick.x, y - joystick.y, eventObjForJoystick);
	}
};
game.up = function (x, y, obj) {
	if (activeControlForGlobalHandlers === controlButtons.attack) {
		var attackBtnLocalX = x - controlButtons.attack.x;
		var attackBtnLocalY = y - controlButtons.attack.y;
		controlButtons.attack.up(attackBtnLocalX, attackBtnLocalY, obj);
	} else if (activeControlForGlobalHandlers === controlButtons.joystick) {
		// Only call joystick.up if the joystick itself believes it's active
		if (controlButtons.joystick.active) {
			var joystickLocalX = x - controlButtons.joystick.x;
			var joystickLocalY = y - controlButtons.joystick.y;
			controlButtons.joystick.up(joystickLocalX, joystickLocalY, obj);
		}
	}
	activeControlForGlobalHandlers = null; // Reset after touch ends
};
game.move = function (x, y, obj) {
	// Handle general screen move
	if (activeControlForGlobalHandlers === controlButtons.joystick) {
		// Only call joystick.move if the joystick itself believes it's active
		if (controlButtons.joystick.active) {
			var joystickLocalX = x - controlButtons.joystick.x;
			var joystickLocalY = y - controlButtons.joystick.y;
			controlButtons.joystick.move(joystickLocalX, joystickLocalY, obj);
		}
	}
	// Attack button doesn't typically have a .move action, so no changes needed for it here.
};
var MonsterAI = {
	moveTowardsPlayer: function moveTowardsPlayer(monster, playerX, playerY, map) {
		var monsterX = monster.mapX;
		var monsterY = monster.mapY;
		var dxToPlayer = playerX - monsterX;
		var dyToPlayer = playerY - monsterY;
		var distToPlayer = Math.sqrt(dxToPlayer * dxToPlayer + dyToPlayer * dyToPlayer);
		// Only chase if within aggro range
		if (distToPlayer > MONSTER_AGGRO_RANGE) {
			return;
		}
		// Check if player is visible using ray casting
		var rayHit = castRayToPoint(monsterX, monsterY, playerX, playerY);
		if (rayHit.hit && rayHit.dist < distToPlayer - 0.5) {
			// Wall is blocking line of sight, monster should stop or attempt alternative pathing.
			// For now, stopping if direct LOS is blocked.
			return;
		}
		// Maintain optimal distance from player
		if (distToPlayer < MIN_MONSTER_PLAYER_DISTANCE) {
			// Monster is too close, consider attacking if able, then stop.
			if (monster.canAttack) {
				// Generic damage cooldown check
				if (monster instanceof EyeballMonster && !monster.isAttacking) {
					monster.performAttackAnimation();
				}
				// Other monster types could have their attack animations triggered here too.
			}
			return;
		} else if (distToPlayer <= MAX_MONSTER_PLAYER_ENGAGEMENT_DISTANCE) {
			// Monster is within ideal engagement range, consider attacking if able, then stop.
			if (monster.canAttack) {
				// Generic damage cooldown check
				if (monster instanceof EyeballMonster && !monster.isAttacking) {
					monster.performAttackAnimation();
				}
				// Other monster types could have their attack animations triggered here too.
			}
			return;
		}
		// If monster is further than MAX_MONSTER_PLAYER_ENGAGEMENT_DISTANCE (but within AGGRO_RANGE and has LOS),
		// it will proceed to move towards the player.
		var effectiveMoveSpeed = typeof monster.moveSpeed !== 'undefined' ? monster.moveSpeed : 0.2; // Use monster's speed or default
		var dirX = 0;
		var dirY = 0;
		if (distToPlayer > 0) {
			// Avoid division by zero if already at player (though other checks should prevent this)
			dirX = dxToPlayer / distToPlayer;
			dirY = dyToPlayer / distToPlayer;
		}
		var potentialNewX = monsterX + dirX * effectiveMoveSpeed;
		var potentialNewY = monsterY + dirY * effectiveMoveSpeed;
		// Try direct move first
		if (canMonsterMoveTo(potentialNewX, potentialNewY, monster)) {
			updateMonsterPosition(monster, potentialNewX, potentialNewY);
		} else {
			// Collision or too close to wall, try sliding
			var slid = false;
			// Try X-only movement
			if (dirX !== 0 && canMonsterMoveTo(potentialNewX, monsterY, monster)) {
				updateMonsterPosition(monster, potentialNewX, monsterY);
				slid = true;
			}
			// Try Y-only movement (only if X-only didn't work or Y component is significant)
			if (!slid && dirY !== 0 && canMonsterMoveTo(monsterX, potentialNewY, monster)) {
				updateMonsterPosition(monster, monsterX, potentialNewY);
				slid = true;
			}
			// If still no move (e.g. stuck in a corner), it will just stay put for this tick.
			// More advanced pathfinding could be added here if needed.
		}
	}
};
function ensureMapConnectivity() {
	// Flood fill from player starting position to check accessibility
	var visited = [];
	for (var y = 0; y < MAP_SIZE; y++) {
		visited[y] = [];
		for (var x = 0; x < MAP_SIZE; x++) {
			visited[y][x] = false;
		}
	}
	var queue = [];
	// Start from player position (1,1)
	queue.push({
		x: 1,
		y: 1
	});
	visited[1][1] = true;
	// Perform flood fill
	while (queue.length > 0) {
		var current = queue.shift();
		var x = current.x;
		var y = current.y;
		// Check all four neighbors
		var neighbors = [{
			x: x + 1,
			y: y
		}, {
			x: x - 1,
			y: y
		}, {
			x: x,
			y: y + 1
		}, {
			x: x,
			y: y - 1
		}];
		for (var i = 0; i < neighbors.length; i++) {
			var nx = neighbors[i].x;
			var ny = neighbors[i].y;
			// Check if neighbor is valid and not visited
			if (nx >= 0 && nx < MAP_SIZE && ny >= 0 && ny < MAP_SIZE && map[ny][nx].type === 0 && !visited[ny][nx]) {
				visited[ny][nx] = true;
				queue.push({
					x: nx,
					y: ny
				});
			}
		}
	}
	// Check for unreachable areas and create paths to them
	for (var y = 1; y < MAP_SIZE - 1; y++) {
		for (var x = 1; x < MAP_SIZE - 1; x++) {
			// If it's a floor tile but wasn't visited, it's unreachable
			if (map[y][x].type === 0 && !visited[y][x]) {
				// Find the nearest accessible cell
				var nearestX = -1;
				var nearestY = -1;
				var minDist = MAP_SIZE * MAP_SIZE;
				for (var cy = 1; cy < MAP_SIZE - 1; cy++) {
					for (var cx = 1; cx < MAP_SIZE - 1; cx++) {
						if (visited[cy][cx]) {
							var dist = (cx - x) * (cx - x) + (cy - y) * (cy - y);
							if (dist < minDist) {
								minDist = dist;
								nearestX = cx;
								nearestY = cy;
							}
						}
					}
				}
				// Create a path from the unreachable area to the nearest accessible area
				if (nearestX !== -1) {
					createPath(x, y, nearestX, nearestY);
					// Update visited map by doing a mini flood fill from this newly connected point
					var pathQueue = [{
						x: x,
						y: y
					}];
					visited[y][x] = true;
					while (pathQueue.length > 0) {
						var current = pathQueue.shift();
						var px = current.x;
						var py = current.y;
						var pathNeighbors = [{
							x: px + 1,
							y: py
						}, {
							x: px - 1,
							y: py
						}, {
							x: px,
							y: py + 1
						}, {
							x: px,
							y: py - 1
						}];
						for (var j = 0; j < pathNeighbors.length; j++) {
							var nx = pathNeighbors[j].x;
							var ny = pathNeighbors[j].y;
							if (nx >= 0 && nx < MAP_SIZE && ny >= 0 && ny < MAP_SIZE && map[ny][nx].type === 0 && !visited[ny][nx]) {
								visited[ny][nx] = true;
								pathQueue.push({
									x: nx,
									y: ny
								});
							}
						}
					}
				}
			}
		}
	}
}
function createPath(startX, startY, endX, endY) {
	// Determine direction (horizontal or vertical first)
	if (Math.random() < 0.5) {
		// Horizontal first, then vertical
		var x = startX;
		while (x !== endX) {
			x += x < endX ? 1 : -1;
			if (map[startY][x].type === 1) {
				map[startY][x].setType(0); // Convert wall to floor
			}
		}
		var y = startY;
		while (y !== endY) {
			y += y < endY ? 1 : -1;
			if (map[y][endX].type === 1) {
				map[y][endX].setType(0); // Convert wall to floor
			}
		}
	} else {
		// Vertical first, then horizontal
		var y = startY;
		while (y !== endY) {
			y += y < endY ? 1 : -1;
			if (map[y][startX].type === 1) {
				map[y][startX].setType(0); // Convert wall to floor
			}
		}
		var x = startX;
		while (x !== endX) {
			x += x < endX ? 1 : -1;
			if (map[endY][x].type === 1) {
				map[endY][x].setType(0); // Convert wall to floor
			}
		}
	}
}

===================================================================
--- original.js
+++ change.js
@@ -3002,9 +3002,9 @@
 			var monster = monsters[hitMonsterIndex];
 			var killed = monster.takeDamage(player.attackPower); // Use player.attackPower
 			if (killed) {
 				// Create particle explosion at monster's world position
-				createParticleExplosion(monster.mapX, monster.mapY, 250, 0xFF0000); // Red Tint
+				createParticleExplosion(monster.mapX, monster.mapY, 200, 0xFF0000); // Red Tint
 				map[Math.floor(monster.mapY)][Math.floor(monster.mapX)].removeMonster();
 				monster.destroy();
 				monsters.splice(hitMonsterIndex, 1);
 				player.score += 10;