Update 0.7.9d — Last Breath Steam update #3213970

Optimization and Quality-of-Life UpdateImplemented an initial optimization pass to reduce frame-time spikes and occasional stuttering.Reduced building costs. Tier 1 walls now require 6 Wood, Tier 2 walls require 8 Stone, and Tier 3 walls require 10 Iron Ingots.Adjusted resource distribution while digging. Drop rates now vary depending on depth, with each resource being more common within a specific depth range. No resource drop rates have been reduced, this change only affects where resources are most likely to be found.Reduced the amount of O₂ generated by Oxygen Extractors for better game balance.Added individual volume controls for sound effects, ambience, interface sounds, voices, and media.Added Brightness, Saturation, and Gamma settings.Added footstep sounds for enemies. Improvements to enemy behavior are planned for a future update.Reduced the frequency of acid rain as habitabilit...