SRP&Wiz mixins is a small companion mod for Scape and Run: Parasites 1.10.7. It adds no items, no blocks, no entities and no recipes — just targeted fixes for problems I kept hitting while building a heavy SRP modpack.
Every fix ships turned OFF. Freshly installed, this mod does nothing at all. Turn on only what you need, in config/srpwizmixins.cfg — every option toggles live, none need a restart.
It has no dependency on my content mod — any SRP pack can use it on its own.
The fixes
Stop parasites vanishing at the population cap
When a dimension holds too many parasites, SRP deletes some to get back under its cap — without checking whether a parasite was meant to stay. A Beckon or Nexus you are in the middle of fighting can simply disappear.
With this on, Beckons and Nexuses are never deleted that way, and no parasite is deleted while it is close to a player. Two radii let you tune it: a smaller one for ordinary parasites, a wider one for Beckons and Nexuses. Parasites far from everyone are still removed, so the cap still does its job where nobody is looking.
Make per-dimension starting points actually work
SRP lets you give a dimension a head start by writing dimension;phase;points in its config. On 1.10.7 the points part is thrown away, so every new dimension silently falls back to the global default — you set 600 million and get −300.
This writes the configured value when the dimension is first created. Set it up in SRP's own config; this only makes the setting stick.
Thread safety, if you run a threading mod
Two related fixes, both needed with EntityThreading or anything similar.
SRP keeps each dimension's evolution points and phase in lists that are not safe to write from two threads at once. A parasite ticked on a worker thread can corrupt them, so phases and points jump around. The first fix hands those writes back to the main thread.
The second covers the moment SRP's save data is first created — two threads creating it at once either lose every point written into the discarded copy, or damage the world's save-data list badly enough to cut the world save short.
If you run a threading mod and have parasites unlocked in more than one dimension, treat both of these as required.
Per-dimension population caps
SRP's parasite cap is a single global number, so a dedicated parasite dimension and your home dimension have to share it. This gives listed dimensions their own multiplier — below 1 lowers the cap, above 1 raises it.
Infestation spread throttle
Infestation blocks do their full spreading work on nearly every block tick — around a thousand times a second in a developed infestation, which in a heavily infested world is one of the biggest tick costs in the game.
The throttle divides both the speed and the cost: 2 is half speed, 4 is quarter. The creep still spreads and still looks the same, it just takes longer. Throttle it rather than turning it off — the creep is the atmosphere.
Skip doomed point updates
Those same blocks constantly ask SRP to add evolution points. In a dimension where parasites cannot gain points every request is rejected — but only after SRP has done all the work of computing and logging it. This checks first. The result is identical to unmodified SRP, it just costs less.
Diagnostics
Optional logging for two things that are otherwise very hard to trace: what actually removed a Beckon or Nexus, and how each dimension's evolution points were set up at world load. Very noisy — for investigating a specific problem, not for normal play.
Compatibility
- Built and tested against SRParasites 1.10.7 (community build). Other SRP versions are not supported — these patches target specific internals.
- Needs MixinBooter, or run on Cleanroom.
- Works with or without my content mod, SRP&Wizardry InsaneTweaks. Coming from Insane Tweaks 1.2.0? These fixes used to live inside that jar; your old
srpCompatsettings now live insrpwizmixins.cfg.
Companion mods, all optional and independent: SRP&Wizardry InsaneTweaks, SRP&Wiz Core, CTombstone-Tweaks, Reskill Tweaks.
Credits
Dhanantry and the SRP team for Scape and Run: Parasites. CleanroomMC for modern mixin support on 1.12.2. Ported and extended from the ideas in SRPMixins 2.9.5, which targets SRP 1.9.21.
The SRP&WIZ mixins Team
