Grim Anticheat

First Modrinth Dev Build (Changelog is auto generated from all changes since 2.3.71)

• Future dev build changelogs will only contains changes since last dev build
• Future release changelogs will be handwritten, reviewed, and be cumulative of all changes since last release

🚀 New Features & Checks

• feat: Add /grim history (#2201)
• feat: add include-timestamp to discord.yml
• feat: finish ExploitC, replaces ExploitB
• feat: BadPacketsJ should be stable
• feat: payload system
• feat: descriptions for almost every place check
• feat: check if chat is hidden
• feat: add Chat and Exploit to punishments
• feat: check for moving while chatting
• feat: implement HappyGhast movement simulation (#2182)
• feat: add CONTRIBUTING.md and improve the README.md
• feat: Add config option to disable/enable the recently added Forge blacklist (#2131)
• feat: add BadPacketsJ
• feat: add MultiActionsG
• feat: Add PacketOrderM, N, O, P, K, L, J, I, H, G, F, E [SUMMARIZE - This is a huge new check category. Summarize it as one major feature.]
• feat(engine): Add option to disable cancelling pong packets
• feat(platform): Platform Independence (future Sponge, Fabric, Neoforge, Velocity, etc... support) (#2024) [HIGHLIGHT - This is a massive feature]
• feat(config): Create config.yml [NEEDS CONTEXT - What was the impact?]
• feat(verbose): include more information in verbose
• feat(verbose): include verbose in Simulation flags
• feat(build): BuildConfig updates to make mavenLocalUse a flag
• feat(api): Update API
• feat(commands): Allow /grim brands, verbose, alerts to be executed by console, cleanup code for sending and processing brands, verbose, alerts

🐛 Bug Fixes

• • fix(engine): Disallow step after setback
• • fix(engine): Zero point zero three
• fix(checks): Make ChatC and ChatB postViaChecks as temporary workaround to PE parsing limitations.
• fix(checks): Fix FastBreak falses with 1.20.5+ custom tool rules.
• fix(checks): Amend previous Reach false fix to only apply in versions > 1.14.4
• fix(checks): Fix very rare Reach false for versions < 1.20.2 and > 1.21.4 involving rot only packets.
• fix(checks): Hardcode more 1.21.4+ hand harvestables (#2213)
• fix(checks): fix getting block jump factor in older versions
• fix(checks): fix NPE in BlockPlaceCheck#getCombinedBox (#2215)
• fix(checks): Temporary fix for BadPacketsE not working on vehicles
• fix(checks): SprintA verbose
• fix(checks): fix #2211 - [NEEDS CONTEXT]
• fix: https://github.com/GrimAnticheat/Grim/issues/2209 - [NEEDS CONTEXT]
• fix(checks): make some checks run before via
• fix(checks): fix HappyGhast false positives when holding space
• fix(vehicle): fix vehicle relative teleport/vehicle 1.12.2+ teleport system (#2200)
• fix(checks): add missing return
• fix(checks): fix ExploitC on 1.9-1.12 servers
• fix(checks): fix ExploitB false on pre 1.16 clients
• fix(checks): validate anvil item name length
• fix(vehicle): fix various vehicle issues [1.21.2] (#2185)
• fix(checks): slightly change ignore-duplicate-packet-rotation logic
• fix(checks): fix more SprintE falses
• fix(checks): fix #2190 - [NEEDS CONTEXT]
• fix(checks): fix elytra inputs
• fix(vehicle): fix soft collisions for vehicles
• fix(build): fix build [DELETE - Noise]
• fix(checks): fix #2181 - [NEEDS CONTEXT]
• fix(checks): fix NPE
• fix(checks): SprintE on 1.18.2+
• fix(checks): fix #2180 - [NEEDS CONTEXT]
• fix(checks): Check for any menu that isn't the player's
• fix(checks): fix vine hitbox on pre-1.13 clients
• fix(inventory): Fix issue with server sending player inventory slot updates whilst in an unsupported inventory
• fix(collision): Fix DRIED_GHAST CollisionBox for 1.7.10-1.21.5
• fix(checks): fire can't be placed in liquids
• fix(checks): iron trapdoors can only be opened in 1.7
• fix(checks): fix #2149 - [NEEDS CONTEXT]
• fix(compat): Support plugins updating ATTACK_DAMAGE (fixes #2159)
• fix(compat): fix skinsrestorer compat
• fix(compat): patch #2140 - [NEEDS CONTEXT]
• fix: Fix GrimPlayer#getKeepAlivePing() method throwing a CCE.
• fix(compat): fix swift sneak on pre-1.20.5 clients on 1.20.5+ servers
• fix(checks): fix false with ender dragon attack slowdown
• fix(checks): exempt ElytraC for 1 tick on respawn
• fix(checks): probably fix #2134 - [NEEDS CONTEXT]
• fix(checks): fix potential false in MultiActionsE
• fix(checks): make MultiActionsB a BlockBreakCheck
• fix(checks): check sneaking in MultiActionsC/D
• fix(checks): check knownInput in MultiActionsC/D
• fix(checks): make MultiActionsC/D slightly more strict
• fix(folia): maybe fix the folia BukkitItemResetHandler "issue"
• fix(compat): Temporary fix for 1.16.5 Dirt Path/Grass Path Simulation errors
• fix(compat): maybe fix the disconnect.timeout issue
• fix(checks): fix BadPacketsH false when changing worlds with same dimension
• fix(checks): fix #2132 - [NEEDS CONTEXT]
• fix(checks): fix going into end portals in the end falsing badpacketsm
• fix(generic): fix IndexOutOfBoundsException
• fix(folia): Fix CME with accessing blockDataToId on Folia
• fix(folia): Revert incorrect Folia patch for ClassNotFoundException
• fix(elytra): Fix being able to use an elytra when it is in broken state
• fix(legacy): fix legacy BukkitPlatformWorld#getBlockAt
• fix(checks): check for respawning while alive
• fix(threshold): Fix disabling threshold (it shouldn't have been working before either)
• fix(discord): handle discord formatting better
• fix(logging): handle error logging more appropriately
• fix(folia): fix item reset usage error with folia
• fix(folia): fixed folia not being detected
• fix(generic): remove exempt players from the alert manager on disconnect
• fix(commands): fix /gl
• fix(checks): bubble columns were added in 1.13
• fix(checks): fix #2116 - [NEEDS CONTEXT]
• fix(build): fix build [DELETE - Noise]
• fix(verbose): actually tie verbose state to alert state this time
• fix(verbose): don't send alerts twice with verbose and alerts enabled
• fix(verbose): tie verbose state to alert state with console alerts + abstraction
• fix(checks): fix MultiActionsD false
• fix(collision): Fix HitboxData for Leaf Litter <= 1.21.5.
• fix(collision): Fix Leaf Litter and Wild Flowers HitboxData for <=1.21.4
• fix(checks): only reset sequence id if world changed
• fix(checks): call onBlockPlace if the player is in a vehicle
• fix(checks): Fixed: NullPointerException being thrown in the BadPacketsH check upon the server sending a respawn packet
• fix(collision): Fix HitboxData for new 1.21.4 & 1.21.5 blocks
• fix(checks): don't let people create ghost blocks by intentionally flagging
• fix(checks): make BlockPlaceCheck implement BlockBreakCheck
• fix(checks): make BadPacketsH not handle action digging packets
• fix(checks): fix a SprintB false
• fix(checks): enforce sequence id order
• fix(exploit): patch bundle crash
• fix(placeholder): always parse grim placeholders if possible
• fix(verbose): tie verbose state to alert state
• fix(checks): Fix fastbreak false with Brewing Stands for clients >=1.21.4
• fix(logging): Fix NPE accessing player.getClienetVersion() after final field refactor
• fix(compat): fix possible npe in getViaTranslatedClientBlockID
• fix(punishment): Fix punishment manager removing violations too quickly
• fix(entity): Fix canHit() modeling with dead entities
• fix(fabric): Fix 1.21.5 Inventory creative check crash on Fabric
• fix(compat): Check server version before logging error regarding ViaVersion placement rotation
• fix(placeholder): don't allow placeholders in placeholders
• fix(inventory): Fix typo in BukkitPlatformInventory
• fix(compat): Support ViaVersion translated blocks in Fastbreak check
• fix(setback): Fix cobweb 0.03 false setback
• fix(placeholder): fix placeholderapi expansion tab complete
• fix(compat): Fix addNonEffectiveAI on 1.21.5 (#2090)
• fix(verbose): escape minimessage in verbose
• fix(verbose): don't parse placeholders in verbose
• fix(build): Fix build error with shadePE flag not working
• fix(vehicle): Fix rare issue with vehicles on Bukkit in SetbackUtil
• fix(fabric): Fix getting TPS on Fabric returning average tick time instead
• fix(fabric): Fix :fabric:mc1161 submodule not loading properly
• fix(fabric): Fix :fabric:mc1171 submodule not loading properly
• fix(fabric): Fix erorr with setting gamemode on 1.17-1.20.1
• fix(fabric): Fix setting gamemode on Fabric breaking in 1.17+
• fix(checks): fix BadPacketsE false
• fix(world): fix 1.18+ world reader
• fix(build): fix build [DELETE - Noise]
• fix(generic): Fix NullPointerException
• fix(vehicle): Fix vehicle desync when demounting too fast
• fix(chat): fix &0
• fix(brand): fix brand detection with legacy servers and modern clients
• fix(inventory): fix reset-item-usage-on-item-update breaking vanilla behavior
• fix(chat): fix legacy color codes not resetting formatting
• fix(vehicle): I hate vehicles [RE-WORD]
• fix(packetorder): fixes [DELETE - Noise]
• fix(packetorder): fix a noslow
• fix(packetorder): fix falses (multiple) [SUMMARIZE]
• fix: fix #2221 [NEEDS CONTEXT]
• fix: fix exception [NEEDS CONTEXT]
• fix: 1.21.8 Server Support - Bump PE
• fix(checks): make badpacketse stricter
• fix(checks): players don't tick in unloaded chunks
• fix(checks): this just stops pre from flagging on 1.9

♻️ Code Refactoring

• refactor: d8b719daf more cleanup [DELETE - Noise]
• refactor: 95b080ae6 more small changes [DELETE - Noise]
• refactor: 1f052f610 small stuff [DELETE - Noise]
• refactor: 02426ad59 these don't need to implement anything [DELETE - Noise]
• refactor: 2a7403be6 small cleanup [DELETE - Noise]
• refactor: remove some empty lines [DELETE - Noise]
• refactor: d2913b368 a bit more cleanup [DELETE - Noise]
• refactor: normalize PredictionEngine class names
• refactor: 1bfef2e58 minor cleanup [DELETE - Noise]
• refactor: minor refactor
• refactor: remove unused import (multiple) [DELETE - Noise]
• refactor: move exploit and non-movement crash checks to packetChecks
• refactor: move BadPacketsS handling to BadPacketsS class
• refactor: move BadPacketsO to be alphabetically
• refactor: make BadPacketsJ a PacketCheck
• refactor: move Post class to misc
• refactor: Timer - Vehicle -> VehicleTimer
• refactor: Split ping-abuse-limit-threshold into a separate check
• refactor: dump command changes: renamed the properties field to states...
• refactor: bff54163d slight cleanup [DELETE - Noise]
• refactor: delete unused ConversionUtil class
• refactor: make CollisionData implement CollisionFactory
• refactor: make HitboxData implement HitboxyFactory
• refactor: 8ab2e3b23 slight cleanup [DELETE - Noise]
• refactor: use an enum for alert type instead of a string
• refactor: 3b2c08add a bit more cleanup [DELETE - Noise]
• refactor: inline ver in getClientVersion()
• refactor: GrimPlayer: use final fields where possible
• refactor: lombok (multiple commits) [SUMMARIZE - e.g., "Adopted Lombok for cleaner code"]
• refactor: Refactor debugging to extract AbstractDebugHandler
• refactor: 50bf3c114 slight cleanup [DELETE - Noise]
• refactor: Refactor traverseBlocks and getNearestBlockHitResult into WorldRayTrace.java
• refactor: 68739cd78 Merge pull request #1678 from ManInMyVan/packetorder [DELETE - Merge commit]
• refactor: Refactor names of BadPacketsH & BadPacketsM -> PacketOrderB & PacketOrderC respectively
• refactor: 740b9fe35 Timer - Vehicle -> VehicleTimer [DUPLICATE] refactor(packets): BadPacketsO optimizations refactor(packets): PacketOrderO refactor(packets): make PacketOrderB stricter refactor(packets): rename PacketOrderO to PacketOrderD

⚡️ Performance Improvements

• perf: improve piston performance
• perf: Optimize ViaVersionUtil
• perf: reduce object creation on fabric servers
• perf: Minor Iteration optimizations

📖 Documentation

• docs: update MultiActionsC/D description
• docs: BadPacketsP description
• docs: Remove inaccurate comment
• docs(readme): update readme for platform independence changes
• docs(translations): Update zh.yml, tr.yml, ru.yml, etc... (multiple commits) [SUMMARIZE]
• docs(commands): Add alternate names to re-add support for old enviornment variable exmaples
• docs(issues): Update issue templates to reflect platform independence
• docs(grammar): Correct grammar

🤖 Maintenance & CI

• chore: Bump run-paper version
• chore: Shadow 9.0.0-rc2 (#2229)
• chore: Add mavenCentral() to repositsories
• chore: Bump PacketEvents
• chore: Downgrade from shadow 9.0.0-rc1 to 9.0.0-beta8
• chore: Bump Dependencies
• chore: Add run-paper so I can debug easily
• chore: 1.21.5/.6/.7 (#2079)
• chore: Include fabric-permissions-api:0.4.0 for Fabric 1.21.6
• chore: support reobf folia jars
• chore: Update PacketEvents version to new grim/2.0 branch state
• chore: Blacklist forge 1.18.2-1.19.3.
• chore: 2528ff525 Revert "temp revert pre-via" [DELETE - Revert]
• chore: 77c165cfa temp revert pre-via [DELETE - Revert]
• chore: 0c52c208c Revert "Remove Unused legacy calls..." [DELETE - Revert]
• chore: 4798903fb Remove Unused legacy calls... [DELETE - Revert]
• chore: cda248ac2 Revert "this got closed" [DELETE - Revert]
• chore: ab3390c81 this got closed [DELETE - Revert]
• chore: 7311e65cd merge fixes [DELETE - Noise]
• chore: Bump gradle wrapper; only configure compile optimizations for subprojects
• chore: Minor Build Optimizations
• chore: Ignore temporary buildSrc/.kotlin folder in .gitignore
• chore: Fabric package consistency fixes
• chore: use our own packetevents repo
• chore: d5fbbbffb Workflows are fun! [DELETE - Noise]
• chore: Bump setup-gradle to v4
• chore: Bump version
• chore: Update Gradle wrapper and add validation workflow step
• chore: bump packetevents
• chore: bump minimessage
• chore: 1.21.2

- Uncategorized / Needs Review

• 533ae70f0 Hardcode more 1.21.4+ hand harvestables (#2213) [Seems like a fix]
• 85acf78db and it was not a teleport [NEEDS CONTEXT]
• 354216f9b BadPacketsO optimizations [Is this perf or refactor?]
• 408c7d577 pre-via block break checks [NEEDS CONTEXT]
• 2e01399c1 PacketOrderO [NEEDS CONTEXT]
• ac2c9eafc HOW DID I FORGET [DELETE - Noise]
• 51bbb3162 pre-via chat checks [NEEDS CONTEXT]
• d90de8fcc more pre-via [DELETE - Noise]
• 1b62b1dfb don't use ordinal for WindowClickType in CrashF
• 39b74b29f packet cancelling in VehicleD
• 9da9c30d9 there is no more via here [DELETE - Noise]
• 8d3e77f49 no it shouldn't [DELETE - Noise]
• 6e58e8c9c this should now be usable [NEEDS CONTEXT]
• 8a2ca76e6 this took too long [DELETE - Noise]
• 1a6b6fc59 payload system
• df31a39e2 descriptions for almost every place check
• 135c90c25 check for moving while chatting
• d1b0f4ddf remove whitespace in EquipmentType [Refactor?]
• 0844fc646 playerData -> player [Refactor?]
• 5fb8cd92b add KnownInput#moving
• b563792fa move ExploitA & C to chat category [Refactor?]
• af2a53ac6 Merge pull request #2193 from Ayouuuu/2.0 [DELETE - Merge Commit]
• c30be9487 why does this only not affect 1.21.4 [NEEDS CONTEXT]
• 485f2672a wtf mojang [RE-WORD]
• 829084c56 bruh [DELETE - Noise]
• 7555e2422 this just stops pre from flagging on 1.9 [NEEDS CONTEXT]
• 82f8bbf89 check the hand the player is using the item in
• 077ad7690 We do need to throw for this to work [NEEDS CONTEXT]
• 96426b332 why [DELETE - Noise]
• bf6b141e3 bruh [DELETE - Noise]
• 02a47d1c3 oops [DELETE - Noise]
• 0a853cb1f forgot to check this [DELETE - Noise]
• e7dde99aa why was this like that? [DELETE - Noise]
• 5faba0209 why was it like this [DELETE - Noise]
• 719044498 I'm a genius [DELETE - Noise]
• c9dfb30ca how did I miss that [DELETE - Noise]
• 7618b1fb2 that's definitely wrong [DELETE - Noise]
• fb725dc4e handle PLAYER_ROTATION packets
• acfef61ea actually fix it this time [DELETE - Noise]
• b0df15cab fixes [DELETE - Noise]
• 8d7abe318 spectator mode is dumb [RE-WORD]
• cd243008c fix wrongly resolved merge conflict [DELETE - Noise]