MC Plugin Vacan Anti Cheat for Java | Advanced AntiCheat Detection | 1.7-1.21.5 4.0.3.6

The intuitive solution when it comes to anti-cheat protection

1. Implemented a new KillAura sensitivity sub-detection that checks how abstract the player’s sensitivity is.
2. The KillAura existing sensitivity detection will now be more lenient by decreasing violation points when not found to be hacking.
3. Implemented several mathematical improvements to the Player Opponent object that automatically improve the KillAura distance detection.
4. The KillAura rotations detection will no longer require stored pitch information to run and will be more lenient with wider entities.
5. The KillAura direction and aim detections will now require 5x times less directional distance to function.
6. Implemented a new KillAura detection named response that counts the ticks a player had at a close angle to an entity before hitting.
7. Implemented a new KillAura detection named strafe that compares the directional distance of a player.
8. Implemented a new KillAura detection named pattern (originally perspective) that uses linear algebra to compare one’s movement with predictions of that.
9. The KillAura movement & rotations detections will now be more lenient to protect against instabilities.
10. Further organized the code the KillAura check calls to run its movement-based detections.
11. Generally polished remaining KillAura detections from the description to the mathematics as we get closer to the completed rewrite of this check.
12. Implemented a new IrregularMovements liquids sub-detection named consistency.
13. Adjusted the way the IrregularMovements step detection calculates its limit to have more accuracy.
14. Restored the functionality of some of the raw commands.
15. The Research Engine will now recalculate cache in different scenarios and in a more efficient order.
16. False Positives will now be canceled by correct violations made by suspected & hackers to provide a balance.
17. The FastPlace check will no longer check air blocks as it doesn’t need to and can cause incompatibilities.
18. The Cancel Violation feature will now apply more appropriate limits based on a check’s problematic detections.
19. The Awareness Notifications feature will now optionally notify when there is any problem with the punishment algorithm.
20. Adjusted the code of the BlockReach check to run faster while forcing it to adopt greater limits when flying.
21. Greatly improved the movement identification method of the Spartan Player object to include damage.
22. Made some adjustments to the Spartan inventory menu so it’s more proper.
23. Test servers will now calculate evidence based on live but not historical information.
24. The Testing identification handler will now return more information to easier point out potential errors.
25. The IrregularMovements will now be more lenient when the player was recently legitimately flying.
26. The IrregularMovements check will now be more lenient with the hop detection.
27. Improved the block material list of the Block utilities.
28. Rewritten parts of the GhostHand check to work faster and more accurately.
29. Rewritten and simplified the Block Break handler with new accurate utilities that account a broader situation of the player.
30. The plugin will now calculate radians to degrees with higher precision.
31. The Information Analysis algorithm will now be faster at identifying the positions of numbers & decimals.
32. The Ground utilities will now consider all the bounding boxes of the snow block.

1. Rewritten the KillAura analysis detection with a new algebra-based design.
2. Rewritten the KillAura move-accuracy detection as Movement with a new logic-based design.
3. Improved the Rotations, Sensitivity & Direction KillAura detections using combat buffering.
4. Implemented more situations where the combat-based buffer of a player keeps running.
5. Extended the functionality of the KillAura time detection to check consistency.
6. The anti-cheat will now store its data in memory per check which will dramatically decrease unnecessary iterations but also CPU usage by requiring less hashing of keys.
7. The Cache system will no longer clear data against a list and know automatically where important information is stored.
8. The Cache system will now be able to clear data in the main thread without impacting performance and forcing single-threaded checks to be thread-friendly unnecessarily.
9. The plugin will now use 2 less threads and rapidly move a lot of data in the main thread and save performance wasted to unnecessary concurrency checks on the main thread.
10. The Ground utilities will now cache the block heights to decrease unnecessary logical comparisons.
11. The Ground utilities now offers more diverse and progressive location calculation if a player rides an entity.
12. The EntityMove check should now perform better when calculating the properties of a vehicle’s location.
13. Added support for Folia, although keep in mind this is experimental and can end up being problematic. (Take backups)
14. The Information Analysis object will now take data directly from the memory and not the storage of the server.
15. Improved the stability of the IrregularMovements hop detection in regards to its jumping checks.
16. The Speed check will now once again slightly increase its limit if found to be unstable.
17. Further completed the KillAura direction detection with a buffered sub-detection.
18. Updated the EcoEnchants compatibility class after being notified by its developer.
19. Implemented a basic auto-totem detection via the ImpossibleInventory check.
20. Adjusted the Spartan inventory menu to contain more and grammatically correct information.
21. Improved the Combat Processing handler by calculating the max of the recently cached variables.
22. Removed the Developer API method “warnPlayer” as it wasn’t used or consistent with other offerings of the API.
23. Brought the {punisher} placeholder/syntax to the Kick & Warn commands to be consistent with the rest.
24. Implemented a new method in Combat utilities to near precisely calculate the ticks per hit for more appropriate buffering.
25. The Click Data object will now calculate cps and other click information on multiple circumstances for more accuracy and consistency.
26. Movement checks will now create less strings & numbers and check less variables as a way to optimize performance.
27. The customer-support command can now be run without providing a description and will send more organized information compared to previously.
28. Improved the Research Engine handler’s method that’s responsible for identifying detection information for memory storage.
29. Moved the calculation of directional locations entirely on the Spartan Location object.

1. Rewritten the KillAura “modulo”, “yaw”, “pitch” & “stability” detections as part of a new simpler and more efficient detection named “sensitivity”.
2. The proxy-command has been optimized by having fewer iterations of a loop.
3. The spectate feature will now remove the player on its own instead of relying on third-party handlers aggressively.
4. Part of the FastPlace check will now function even when block placing is disabled.
5. Enabling individual-only notifications will disable suspicion notifications as they are unnecessary.
6. Improved the limits of several bedrock detections so they run more in par with java detections.
7. Improved the stability of the Killaura rotations and direction detections.
8. Set a limit to the max supported entities for the KillAura raytrace detection.
9. The Player Info inventory menu will now show information regardless of the player’s evidence state.
10. Improved the cache of the Spartan Location object to be more universal.

1. Completely rewritten the KillAura Aimbot detection with the new utilities and a pattern-based code design.
2. Completely rewritten the KillAura rotations detection with new utilities and a historical-based code design.
3. Dramatically improved the KillAura distance detection with more lenient but organized requirements.
4. Implemented a new FastBreak detection named indirected-surroundings-per-second which studies blocks broken that are not close to the previous block.
5. Delayed the Punishment Discord webhook slightly so other Discord webhooks can take its place if configured.
6. The inventory menu of Spartan will now have its own entire thread so loading times are low.
7. The staff player counters will refresh at least every minute instead of always when opening the menu.
8. Increased the precision of the Movement utilities jump movement.
9. Improved the decimal precision of the IrregularMovements hop detection.
10. The Combat utilities will now use trigonometry instead of ray-tracing to accurately predict the location of a hit.
11. The Math utilities have now been renamed to Algebra utilities and have received new methods.
12. Created a new type of utilities named Trigonometry to help organize certain important equations.
13. The KillAura check will no longer run when a player is gliding with an elytra.
14. Implemented a new messages.yml option named “notifications_modified” for when changing the notification frequency.
15. The Block utilities will now use the block breaking time calculator to understand whether a block is sensitive in newer versions.
16. The difference between yaw and pitch will now be calculated entirely using trigonometry.
17. Stopped using weak hashmaps for detections as they didn’t save nearly enough memory but caused minor inconsistencies.
18. Checks will now clear their cache more properly by updating existing cache instead of removing it all together.
19. Implemented a new “untested” command meant to be used to execute BungeeCord commands. (/spartan proxy-command <command>)

The customer-support command will now included more needed information for the resolution of a user-reported problem.

1. Improved the documentation of the inventory menus.
2. Introduced new methods to handle different connections in the Cloud feature.
3. Implemented a new punishment webhook which lists the commands executed.
4. The Spartan inventory menu’s max pages were limited to 999 instead of practically unlimited.
5. The messages.yml configuration now has the configuration syntax {prefix} for mass plugin name replacement.
6. Files will no longer be synchronized when just created to avoid manipulating important options to their defaults.
7. The way responsible for calculating the min height of the world has been made a mass used method.
8. The IrregularMovements will now treat bedrock players more properly in terms of accuracy.
9. The Cloud feature customer-support command will now be more precise with the information it sends.

1. Completely rewritten the FastClicks check as the previous one was great but did not meat certain expectations.
2. Completely rewritten the Cps Counter handler as an object and renamed it to Click Data.
3. The identification of jump movement has been adjusted for bedrock players.
4. The Explosion protection will now properly calculate the time it needs to function.
5. Reworked the Trident handler to be more universal and cross compatible.
6. Certain parts of the FastPlace & MorePackets will disable when the server has competitive CPS.
7. The Research Engine will now be able to cache for much longer so more data can be accounted for.
8. The Suspicion-based algorithms such as punishments will now work even when the Research Engine is caching.
9. Renamed the description of the Compatibilities item to not be so confusing.
10. The KillAura time detection will no longer check in specific hit time delays.
11. The KillAura raytrace detection will no longer check bedrock players due to their abstract line of sight.
12. The HitReach check will no longer run its longer detection on bedrock players.
13. The Customer Support command will now include configuration values when executed.
14. Violation category will now appear as “unlikely” when a false positive has taken place.
15. The configuration system will now accept text as logic, integers & decimals if typed correctly.
16. Completely rewritten the way Spartan calculates CPS for more accuracy and new detections.
17. Increased the near max falling motion of the IrregularMovements step detection as a way to improve stability.
18. Added more information to the KillAura raytrace detection for more knowledge for the development.
19. Optimized the punishment algorithm by forcing it to recalculate less information and in more needed circumstances.
20. Adjusted the positioning of the Information Analysis object so the detection of a check is found successfully.
21. The Research Engine will now longer attempt to calculate evidence for players who have been offline for long.
22. Improved the accuracy of the IrregularMovements ground-up detection to match the possible expectations of some.
23. Greatly optimized the way Spartan handles its violations in its cache for faster performance and less memory usage.

1. Made the Player Info inventory menu look into the player’s online state in more situations.
2. Adjusted the Minigame Maker compatibility after the project was transferred to another developer.
3. The IrregularMovements step detection will now resort to greater limits in certain situations.
4. Big entities will no longer be checked by the KillAura raytrace detection as it’s too risky stability-wise.
5. Implemented more new KillAura detections and replaced their old ones.
6. Made a few corrections to the Combat Processing handler related to how it handles cache.
7. Adjusted how the plugin uses its threads for more appropriate processing times and queues.
8. Adjusted the ImpossibleInventory check to be more accurate and functional.
9. Adjusted the False Positive Detection feature and mostly removed the Problematic Detections feature due to problems.
10. The Research Engine will now recalculate the False Positives by removing redundant violations.
11. Added the X Y Z coordinates in the plugin’s logs since they were already added in the SQL feature.
12. The IrregularMovements will no longer run when in liquid blocks as it doesn’t need to.
13. Improved the protection of the NoSlowdown check of using a bow in combination with specific movements.
14. Optimized & improved the process the Velocity check uses to understand if it can check a player.
15. The IrregularMovements will now treat its cache more appropriately with several improvements.
16. The Punishment algorithm will now be more accurate due more frequent cache refreshes.
17. Partly rewritten the Violation History object to handle violations & false positives more appropriately.
18. The XRay check will no longer wait a minute for the next violation but will notify when the violation cycle resets.
19. Added more information to the Player Info inventory menu about the evidence of the player.
20. Removed the Performance.disable_problematic_detections settings.yml option as it no longer plays an important role.
21. Improved the bedrock compatibility by better identifying offline players without necessarily accessing heavy offline player data.
22. Rewritten how the Research Engine handlers cache works to optimize asynchronous performance but offer more main-thread updates at the same time.
23. The No Hit Delay compatibility will now only account when a player recently received damage.
24. Deleting a player’s stored data will instantly remove them from the inventory menus.

The Spartan inventory menu will now be able to again access the. data of offline players.

Unlike the previous hot-fix update, this one is not required to download, but it provides many incremental improvements in the internals of Spartan's processes, so it's definitely recommended.