What weapons did Alexander the great use in the battle of hydaspes?

In the Battle of the Hydaspes in 326 BCE, Alexander the great primarily utilized Macedonian phalanx formations armed with long spears called sarissas. His cavalry, including the Companion Cavalry, played a crucial role in flanking maneuvers and engaging enemy forces. Additionally, siege engines and archers were employed to support his troops against King Porus's war elephants and infantry. This combination of tactical formations and diverse weaponry contributed to Alexander's victory in the battle.