Add the ability for Damage Manager to support constant values of knockback

Plugins/Mineplex.Minecraft.Game.Core/src/mineplex/minecraft/game/core/damage/DamageManager.java

@@ -58,11 +58,16 @@ public class DamageManager extends MiniPlugin
 
 	public boolean UseSimpleWeaponDamage = false;
 	public boolean DisableDamageChanges = false;
+	/**
+	 * The value of knockback that is applied when a player is attacked.
+	 * If 0, the value is calculated from log10(damage).
+	 */
+	private double _constantKnockback;
 
 	private boolean _enabled = true;
 	
-	private final HashMap<String, Integer> _protectionTypeModifiers = new HashMap<String, Integer>();
+	private final HashMap<String, Integer> _protectionTypeModifiers = new HashMap<>();
-	private final HashMap<String, DamageCause[]> _protectionCauses = new HashMap<String, DamageCause[]>();
+	private final HashMap<String, DamageCause[]> _protectionCauses = new HashMap<>();
 
 	public DamageManager(JavaPlugin plugin, CombatManager combatManager, NpcManager npcManager, DisguiseManager disguiseManager, ConditionManager conditionManager) 
 	{
@@ -530,13 +535,18 @@ public class DamageManager extends MiniPlugin
 			if (event.IsKnockback() && (event.getKnockbackOrigin() != null || event.GetDamagerEntity(true) != null))
 			{
 				//Base
-				double knockback = event.GetDamage();
+				double knockback = _constantKnockback;
-				if (knockback < 2)	knockback = 2;
+
-				knockback = Math.log10(knockback);
+				if (_constantKnockback == 0)
+				{
+					knockback = Math.log10(Math.max(event.GetDamage(), 2));
+				}
 
 				//Mults
 				for (double cur : event.GetKnockback().values())
-					knockback = knockback * cur;
+				{
+					knockback *= cur;
+				}
 
 				//Origin
 				Location origin = null;
@@ -836,6 +846,24 @@ public class DamageManager extends MiniPlugin
 		_enabled = var;
 	}
 
+	/**
+	 * Sets the value of {@link #_constantKnockback}.
+	 **/
+	public void setConstantKnockback(double constantKnockback)
+	{
+		_constantKnockback = constantKnockback;
+	}
+
+	/**
+	 * Resets the configuration of damage manager and ensures it is enabled.
+	 */
+	public void resetConfiguration()
+	{
+		DisableDamageChanges = false;
+		_constantKnockback = 0;
+		SetEnabled(true);
+	}
+
 	public CombatManager GetCombatManager()
 	{
 		return _combatManager;

Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/game/games/cakewars/CakeWars.java

@@ -91,6 +91,10 @@ public class CakeWars extends TeamGame
 					"All players standing on the Resource Generator get the items generated."
 			};
 	private static final int RESPAWN_TIME = 6;
+	/**
+	 * This value is the base value of knockback for Cake Wars. it is derived from log10(7).
+	 */
+	private static final double GAME_KNOCKBACK = 0.845;
 	private static final LeaderboardManager LEADERBOARD_MANAGER = Managers.get(LeaderboardManager.class);
 
 	private final Map<GameTeam, Location> _averages;
@@ -162,7 +166,7 @@ public class CakeWars extends TeamGame
 				new ChatStatData("EatWholeCake", "Whole Cakes", true)
 		);
 
-		manager.GetDamage().SetEnabled(false);
+		manager.GetDamage().setConstantKnockback(GAME_KNOCKBACK);
 		manager.GetCreature().SetDisableCustomDrops(true);
 
 		new AbsorptionFix(this);

Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/managers/GameCreationManager.java

@@ -155,17 +155,14 @@ public class GameCreationManager implements Listener
 	private void CreateGame(GameType gameType) 
 	{
 		//Reset Changes
-		Manager.GetDamage().DisableDamageChanges = false;
 		Manager.GetCreature().SetDisableCustomDrops(false);
-		Manager.GetDamage().SetEnabled(true);
+		Manager.GetDamage().resetConfiguration();
 		Manager.GetExplosion().resetConfiguration();
 //		Manager.GetAntiStack().SetEnabled(true);
 		Manager.getCosmeticManager().setHideParticles(false);
 		Manager.GetDamage().GetCombatManager().setUseWeaponName(AttackReason.CustomWeaponName);
 		ItemStackFactory.Instance.SetUseCustomNames(false);
 
-		HashMap<String, ChatColor> pastTeams = null;
-		
 		System.out.println(_nextGame == null ? "Next Game = null" : "Next Game = " + _nextGame.GetName());
 		System.out.println(MapPref == null ? "Map Pref = null" : "Map Pref = " + MapPref);