[1.7.10 - 26.2] Knockback Manager | Best free custom knockback plugin

#### KBM - Main Configuration
#
# Before using this plugin, make sure you have fully read the plugin documentation.
# Plugin documentation & example configurations can be found in the QQ group files. (673765463)
#
# Configuration file below:


# ======================================
# Knockback Sync
# Description: Fixes inaccurate ground-state detection for high-latency players.
# ======================================
kb_sync :
  # Enable? (Requires ProtocolLib)
  enabled : false


# ======================================
# Server-Side Hit Detection
# Description: When enabled, attack hit registration is handled server-side.
# ======================================
# Note: This feature is incompatible with packet.misplace
# Note: This feature may cause issues with attack events in some plugins, see the documentation for details!
server_side_hit_detection :
  # Enable? (Requires ProtocolLib)
  enabled : false

  # --------------------------------------
  # Attack Hitbox Size Settings
  # --------------------------------------
  hitbox_size :
    # Hitbox length/width
    # Vanilla values: 1.8 = 0.8, 1.9+ = 0.6
    length : 0.8

    # Hitbox height
    # Vanilla values: 1.8 = 1.9, 1.9+ = 1.8
    height : 1.9

  # --------------------------------------
  # Maximum Attack Distance Settings
  # --------------------------------------
  max_distance :
    # Survival / Adventure mode
    survival : 3.0

    # Creative mode
    creative : 5.0

# KBM - Knockback Configuration

horizontal :
  # Horizontal knockback on ground
  ground : 0.4

  # Horizontal knockback in air
  air : 0.4

  # Additional horizontal knockback while sprinting
  sprint_extra : 0.5


vertical :
  # Vertical knockback on ground
  ground : 0.36075

  # Vertical knockback in air
  air : 0.24775

  # Additional vertical knockback while sprinting
  sprint_extra : 0.1


projectile :
  # Enable projectile knockback modification
  enabled : false

  # Multiplier for projectile horizontal knockback
  horizontal_multiplier : 1.0

  # Multiplier for projectile vertical knockback
  vertical_multiplier : 1.0

  # Use projectile shooter position to calculate knockback direction
  direction_override : false


packet:
  misplace :
    # Misplace position update packets
    enabled : false

    # Misplace distance (in blocks)
    distance : 0.1

  delay :
    # Delay position update packets
    enabled : false

    # Delay duration (in ticks)
    ticks : 2


# Reset sprint after attack
stop_sprint : true

# Maximum Y-axis knockback limit (in blocks)
y_limit : 0.675

# Attack cooldown delay (in ticks)
hit_delay : 20


potion :
  # Enable throwable potion motion modification
  enabled : false

  # Multiplier for potion horizontal motion
  horizontal_multiplier : 1.05

  # Multiplier for potion vertical motion
  vertical_multiplier : 1.0

  # Compensation multiplier when the potion hits the thrower
  compensation_multiplier : 1.15


modern :
  # Whether attack cooldown affects knockback
  cooldown_affects_kb : true

  # Apply Netherite knockback resistance
  netherite_kb_resistance : true

package me.dw1e.strikemultikb ;

import ga.strikepractice.events.DuelEndEvent ;
import ga.strikepractice.events.DuelStartEvent ;
import me.dw1e.kbm.KnockbackManager ;
import me.dw1e.kbm.api.KnockbackManagerAPI ;
import org.bukkit.Bukkit ;
import org.bukkit.entity.Player ;
import org.bukkit.event.EventHandler ;
import org.bukkit.event.HandlerList ;
import org.bukkit.event.Listener ;
import org.bukkit.plugin.Plugin ;
import org.bukkit.plugin.java.JavaPlugin ;

public final class StrikeMultiKB extends JavaPlugin implements Listener {

    private final KnockbackManagerAPI kbmAPI = KnockbackManager. getInstance ( ). getAPI ( ) ;

    @Override
    public void onEnable ( ) {
        Bukkit. getPluginManager ( ). registerEvents ( this, this ) ;
    }

    @Override
    public void onDisable ( ) {
        HandlerList. unregisterAll ( (Plugin ) this ) ;
    }

    @EventHandler
    public void onDuelStart (DuelStartEvent event ) {
        Player p1 = event. getPlayer1 ( ) ;
        Player p2 = event. getPlayer2 ( ) ;

        String kitName = event. getKit ( ). getName ( ) ;

        if (kbmAPI. isProfileExists (kitName ) ) {
            kbmAPI. setProfile (p1, kitName ) ;
            kbmAPI. setProfile (p2, kitName ) ;
        }
    }

    @EventHandler
    public void onDuelEnd (DuelEndEvent event ) {
        Player p1 = event. getWinner ( ) ;
        Player p2 = event. getLoser ( ) ;

        kbmAPI. setProfile (p1, "default" ) ;
        kbmAPI. setProfile (p2, "default" ) ;
    }
}
 

# Minemen-like - 2025/10/30

horizontal:
  ground : 0.5274
  air : 0.5274
  sprint_extra : 0.327
vertical:
  ground : 0.361375
  air : 0.361375
  sprint_extra : 0.0
projectile:
  enabled : false
  horizontal_multiplier : 1.0
  vertical_multiplier : 1.0
  direction_override : false
packet:
  misplace:
    enabled : false
    distance : 0.2
  delay:
    enabled : true
    ticks : 3
stop_sprint : false
y_limit : 0.675
hit_delay : 20
potion:
  enabled : true
  horizontal_multiplier : 1.05
  vertical_multiplier : 1.0
  compensation_multiplier : 1.15
modern:
  cooldown_affects_kb : true
  netherite_kb_resistance : true
 

# Syuu nodebuff & boxing - 2025/10/30

horizontal:
  ground : 0.7
  air : 0.7
  sprint_extra : 0.1232
vertical:
  ground : 0.35075
  air : 0.35075
  sprint_extra : 0.0
projectile:
  enabled : false
  horizontal_multiplier : 1.0
  vertical_multiplier : 1.0
  direction_override : false
packet:
  misplace:
    enabled : false
    distance : 0.2
  delay:
    enabled : false
    ticks : 3
stop_sprint : false
y_limit : 0.675
hit_delay : 20
potion:
  enabled : true
  horizontal_multiplier : 1.05
  vertical_multiplier : 1.0
  compensation_multiplier : 1.15
modern:
  cooldown_affects_kb : true
  netherite_kb_resistance : true
 

# ColdPVP nodebuff & boxing - 2025/10/30

horizontal:
  ground : 0.5
  air : 0.5
  sprint_extra : 0.35
vertical:
  ground : 0.3635
  air : 0.3635
  sprint_extra : 0.0
projectile:
  enabled : false
  horizontal_multiplier : 1.0
  vertical_multiplier : 1.0
  direction_override : false
packet:
  misplace:
    enabled : false
    distance : 0.1
  delay:
    enabled : false
    ticks : 2
stop_sprint : true
y_limit : 0.675
hit_delay : 20
potion:
  enabled : true
  horizontal_multiplier : 1.05
  vertical_multiplier : 1.0
  compensation_multiplier : 1.15
modern:
  cooldown_affects_kb : true
  netherite_kb_resistance : true