Add flight speed

src/network/mcpe/NetworkSession.php

@@ -1051,8 +1051,7 @@ public function syncAbilities(Player $for) : void{
 		];
 
 		$layers = [
-			//TODO: dynamic flying speed! FINALLY!!!!!!!!!!!!!!!!!
-			new AbilitiesLayer(AbilitiesLayer::LAYER_BASE, $boolAbilities, 0.05, 0.1),
+			new AbilitiesLayer(AbilitiesLayer::LAYER_BASE, $boolAbilities, $for->getFlightSpeed(), 0.1),
 		];
 		if(!$for->hasBlockCollision()){
 			//TODO: HACK! In 1.19.80, the client starts falling in our faux spectator mode when it clips into a

src/player/Player.php

@@ -183,6 +183,8 @@ class Player extends Human implements CommandSender, ChunkListener, IPlayer{
 	private const MAX_REACH_DISTANCE_SURVIVAL = 7;
 	private const MAX_REACH_DISTANCE_ENTITY_INTERACTION = 8;
 
+	public const DEFAULT_FLIGHT_SPEED = 0.05;
+
 	public const TAG_FIRST_PLAYED = "firstPlayed"; //TAG_Long
 	public const TAG_LAST_PLAYED = "lastPlayed"; //TAG_Long
 	private const TAG_GAME_MODE = "playerGameType"; //TAG_Int
@@ -278,6 +280,8 @@ public static function isValidUserName(?string $name) : bool{
 	protected bool $blockCollision = true;
 	protected bool $flying = false;
 
+	protected float $flightSpeed = self::DEFAULT_FLIGHT_SPEED;
+
 	/** @phpstan-var positive-int|null  */
 	protected ?int $lineHeight = null;
 	protected string $locale = "en_US";
@@ -504,6 +508,39 @@ public function isFlying() : bool{
 		return $this->flying;
 	}
 
+	/**
+	 * Sets the player's speed when flying.
+	 *
+	 * The flight speed is calculated as `blocks per tick = flightSpeed * 10`. For example, setting the
+	 * flight speed to 0.05 means the player will fly at approximately 0.5 blocks per tick.
+	 *
+	 * If set to zero, the player will not be able to move in the xz plane when flying, and negative values
+	 * will invert the controls.
+	 *
+	 * Notes:
+	 * - The value of the movement speed attribute has no effect on the flight speed.
+	 * - When a player sprints while flying, their flight speed is doubled on the client-side.
+	 */
+	public function setFlightSpeed(float $flightSpeed) : void{
+		if($this->flightSpeed !== $flightSpeed){
+			$this->flightSpeed = $flightSpeed;
+			$this->getNetworkSession()->syncAbilities($this);
+		}
+	}
+
+	/**
+	 * Returns the player's speed when flying.
+	 *
+	 * The flight speed is calculated as `blocks per tick = flightSpeed * 10`. For example, if the
+	 * flight speed is set to 0.05, the player will fly at approximately 0.5 blocks per tick.
+	 *
+	 * If zero, the player is not be able to move in the xz plane when flying, and negative values
+	 * will invert the controls.
+	 */
+	public function getFlightSpeed() : float{
+		return $this->flightSpeed;
+	}
+
 	public function setAutoJump(bool $value) : void{
 		if($this->autoJump !== $value){
 			$this->autoJump = $value;