ModsFinder

Dirty Quilt Hacks

by sschr15

Dirty Quilt Hacks is a small library for modders that gives code access to JDK internals through reflection, Unsafe and module exporting.

FabricForgeQuiltClient or server, optionalMozilla Public License 2.0Open source1.17 – 1.19.1

What it does

The library exposes tooling for reflective access. It offers field getting and setting with forced access, widening of enums, and a function accessor that lets code call the JDK's internal copy of ASM at runtime. Modders who need these low-level hooks can use them without writing the reflection code themselves.

Access to Unsafe is provided for both the sun and jdk internal versions, assuming the package is exported at compile time. A runtime module exporting feature can open packages through ModuleWidener.exportModule, and a forceful SecurityManager setter is included. The library is built as a Quilt mod and is published for Fabric, Forge and Quilt across seven game versions, 1.17 – 1.19.1.

Environment: the mod is optional on either side, so a client, a server or both can run it, and neither needs it. Files for 1.19.1 were last updated on 2022-08-02, and the project is released under the Mozilla Public License 2.0, which makes it open source.

Key features

  1. Forced field access

    Fields can be read and written through reflection with access forced past normal visibility checks.

  2. Enum widening

    The library can widen an enum so that new constants can be added at runtime by other code.

  3. Runtime module exporting

    Packages can be exported or opened at runtime through ModuleWidener, from a class, a module and a package string.

  4. Unsafe access

    Both the sun and jdk internal versions of Unsafe are reachable, for code that needs direct memory operations.

Compatibility

Latest build for each game version and loader.

1.19.10.2.00.2.00.2.0
1.190.2.00.2.00.2.0
1.18.20.2.00.2.00.2.0
1.18.10.2.00.2.00.2.0
1.180.2.00.2.00.2.0
1.17.10.2.00.2.00.2.0
1.170.2.00.2.00.2.0
ReleaseBetaAlphaNot available

This mod also publishes snapshot builds. Snapshots are not shown in the matrix.

Questions

Does Dirty Quilt Hacks need to be installed on servers?

No. Either the player or the server can install it, and both may leave it out.

Which loaders does Dirty Quilt Hacks support?

Files are published for Fabric, Forge and Quilt. The latest file for each loader is 0.2.0 for 1.19.1, dated 2022-08-02.

Can the library be used with the Java compiler's module options?

Yes. Access to jdk internal packages works at compile time when the package is exported through javac compile arguments, as the author describes.

In the catalog

Dirty Quilt Hacks is one of 7,555 Cursed mods on ModsFinder, and one of 4,235 Cursed mods for Fabric. 5,930 mods support Minecraft 1.19.1.

Cursed mods7,555Fabric modsMods for 1.19.15,930

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What the author says

A small library built as a Quilt mod which gives modders access to Unsafe (both the sun one and the jdk internal one, assuming it's exported at compile time) and easily supports runtime module exporting and trusted MethodHandles.Lookup calls. At runtime, call ModuleWidener.exportModule with either a class in the…
sschr15, on the Modrinth page

Official listing

Owner
sschr15
Published
2022-07-30
Updated on Modrinth
2022-08-02
Facts verified
2026-10-15

Tags

CursedUtility
Open on ModrinthCompare