metaheavens/spaceship - Forgejo

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#146: shots, deaths and collapses are heard Three events get a sound: a shot leaving a gun, a vessel dying, a structure coming down. The sounds are SYNTHESISED rather than downloaded - audio/make_sfx.py generates all three from scratch, and is committed alongside them. The ticket asked for free sources and the good ones are in its comments (Kenney's CC0 packs, OpenGameArt's CC0 sets, Freesound filtered to CC0), but a generated sound has no licence to track, no attribution to keep, and no binary in the repository whose provenance nobody can check a year from now. It also makes the sounds DATA: too sharp a shot is a number in that file and a re-run, not a hunt through a library. Dropping in a pack file later means replacing a .wav and nothing else. A voice POOL, not a player, because these overlap constantly - a fleet firing is several shots inside one shot's length. Twelve voices, and when they are all busy the one furthest through its own sound is recycled, which is the one with the least left to lose. Parented to the tree root, for the reason that matters: every one of these sounds is started by something that is being freed on the same frame. A dying ship cannot own the sound of its own death. Levels are per sound rather than shared - a shot fires constantly and a death happens once, so equal volumes are not proportionate ones - and shots get a little pitch spread so a stream of them does not flatten into one machine-gun note. The deaths get none: a wobbling explosion sounds broken rather than varied. The test goes at the failures a play-through would hide for weeks: firing three times the pool size must leave exactly the pool's worth sounding and no leaked voices, and the ship-death case is checked from a node that really has been freed on that frame.

2026-08-29 13:05:47 +02:00

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