Sledgehammer

The Sledgehammer mod is a powerful tool for fixing various issues and bugs in Minecraft and Forge mods. It uses SpongePowered/Mixin technology to apply fixes directly to the game's code.

Main Features

Sledgehammer is fully configurable to meet your needs and compatible with various platforms: Forge, SpongeForge, and SpongeVanilla.

Client Fixes

• Fixed Immersive Engineering issue (#3474)
• Disabled SearchTree reloading to speed up server connection process
• Increased maximum WorldType name length in SPacketJoinGame packet

Common Fixes

• Prevention of crashes due to invalid translation keys
• Ensuring thread safety for LazyLoad (fix for MC-68381)

Server Fixes

• Replaced stack trace with simple message for advancement errors
• Disabled advancement reloading on world load (solves issues in SkyFactory 4)
• Fixed NullPointerException in BiomeProvider::findBiomePosition
• Prevention of grass turning into dirt
• Prevention of ice turning into water
• Blocking weather changes by Totemic mod

Chunk Saving System

• Player notification when chunk saving fails
• Removal of all entities and tile entities from problematic chunks
• Removal of blacklisted items from chunks with saving errors
• Crash report generation and safe server shutdown for critical errors

Additional Improvements

• Reduced network usage through delayed data flushing
• Fixed SpongeCommon issue #2013
• Redirected inventory debugging messages from Sponge
• Fixed MC-134716 vulnerability (player kick exploit)
• Blocking or removal of items attempting to teleport between dimensions
• Book limitation to 50 pages with 255 characters each
• Prevention of deadlock during shutdown
• Fixed ConcurrentModificationException in PlayerChunkMap
• Elimination of item spawn exploit with ProjectRed
• Fixed Reliquary issue #370
• Redirected Ruins debugging messages

Sponge-Only Fixes

• Fixed PrimitiveMobs issue #59
• Forced permission checks for OP commands
• Resolved Misty World portal issues
• Fixed PrimalCore issue #210 (fixed in version 0.6.56)
• Prevention of movement outside world border
• Blocking empty death messages

Dependencies

Required for operation:

• SpongePowered/configurate
• SpongePowered/Mixin

The version with '-sponge' suffix does not include these dependencies as they are already present in the Sponge environment.