Build 154 (Beta) - Major Audio Rework — Mindustry Steam update #672446

This release includes a complete sound rework for most units and blocks, with a focus on Serpulo content. The audio engine has also been improved to handle more simultaneous sounds without cutting off playback. This release also removes the Serpulo background wave simulation system - if you are not on a sector that is under attack, it will no longer be updated. You will still receive items and exports for sectors that are not currently under attack. I am aware that this may be controversial, but the 'wave simulation' system has always easy to cheese, generally inaccurate, and flimsy at best. Sectors will frequently be lost even when defenses seem sufficient, or captured even when defenses are clearly inadequate. Invasions have been disabled by default to account for this change. Full changelog: Made Beta's guns no longer rotate Improved Scepter's secondary weapon visuals and damage Made ...