Fix spigot api break for entity damage events

Changelog.txt

@@ -1,3 +1,7 @@
+Version 2.1.228
+    Fixed stack trace due to Spigot API break on EntityDamageEvent and EntityDamageByEntity event
+    (API) - Removed FakeEntityDamageEvent and FakeEntityDamageByEntityEvent, you can use our metadata constant to check if damage is from mcMMO instead
+    (API) - Temporarily removed McMMOEntityDamageByRuptureEvent, this needs to be reworked for the new spigot API changes
 Version 2.1.227
     Fixed bug where some text would not be displayed to players (Adventure dependency update)
     Repair sound effect from mcMMO can now be adjusted in Minecraft sound options (Thanks MithicSpirit)

src/main/java/com/gmail/nossr50/events/fake/FakeEntityDamageByEntityEvent.java

@@ -1,14 +0,0 @@
-package com.gmail.nossr50.events.fake;
-
-import org.bukkit.entity.Entity;
-import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * Called when mcMMO applies damage from an entity due to special abilities.
- */
-public class FakeEntityDamageByEntityEvent extends EntityDamageByEntityEvent implements FakeEvent {
-    public FakeEntityDamageByEntityEvent(@NotNull Entity damager, @NotNull Entity damagee, @NotNull DamageCause cause, double damage) {
-        super(damager, damagee, cause, damage);
-    }
-}

src/main/java/com/gmail/nossr50/events/fake/FakeEntityDamageEvent.java

@@ -1,14 +0,0 @@
-package com.gmail.nossr50.events.fake;
-
-import org.bukkit.entity.Entity;
-import org.bukkit.event.entity.EntityDamageEvent;
-
-/**
- * Called when mcMMO applies damage due to special abilities.
- */
-public class FakeEntityDamageEvent extends EntityDamageEvent implements FakeEvent {
-    @Deprecated
-    public FakeEntityDamageEvent(Entity damagee, DamageCause cause, double damage) {
-        super(damagee, cause, damage);
-    }
-}

src/main/java/com/gmail/nossr50/events/skills/rupture/McMMOEntityDamageByRuptureEvent.java

@@ -1,20 +1,19 @@
-package com.gmail.nossr50.events.skills.rupture;
+//package com.gmail.nossr50.events.skills.rupture;
-
+//
-import com.gmail.nossr50.datatypes.player.McMMOPlayer;
+//import com.gmail.nossr50.datatypes.player.McMMOPlayer;
-import org.bukkit.entity.Entity;
+//import org.bukkit.entity.Entity;
-import org.bukkit.event.entity.EntityDamageByEntityEvent;
+//import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.jetbrains.annotations.NotNull;
+//import org.jetbrains.annotations.NotNull;
-
+//
-public class McMMOEntityDamageByRuptureEvent extends EntityDamageByEntityEvent {
+//public class McMMOEntityDamageByRuptureEvent extends EntityDamageByEntityEvent {
-	private final McMMOPlayer mcMMODamager;
+//	private final McMMOPlayer mcMMODamager;
-
+//
-	public McMMOEntityDamageByRuptureEvent(@NotNull McMMOPlayer damager, @NotNull Entity damagee, double damage) {
+//	public McMMOEntityDamageByRuptureEvent(@NotNull McMMOPlayer damager, @NotNull Entity damagee, double damage) {
-		super(damager.getPlayer(), damagee, DamageCause.CUSTOM, damage);
+//		this.mcMMODamager = damager;
-		this.mcMMODamager = damager;
+//	}
-	}
+//
-
+//	@NotNull
-	@NotNull
+//	public McMMOPlayer getMcMMODamager() {
-	public McMMOPlayer getMcMMODamager() {
+//		return mcMMODamager;
-		return mcMMODamager;
+//	}
-	}
+//}
-}

src/main/java/com/gmail/nossr50/listeners/EntityListener.java

@@ -5,10 +5,7 @@ import com.gmail.nossr50.config.experience.ExperienceConfig;
 import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.datatypes.skills.SubSkillType;
 import com.gmail.nossr50.datatypes.skills.subskills.interfaces.InteractType;
-import com.gmail.nossr50.events.fake.FakeEntityDamageByEntityEvent;
-import com.gmail.nossr50.events.fake.FakeEntityDamageEvent;
 import com.gmail.nossr50.events.fake.FakeEntityTameEvent;
-import com.gmail.nossr50.events.skills.rupture.McMMOEntityDamageByRuptureEvent;
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.metadata.MobMetaFlagType;
 import com.gmail.nossr50.metadata.MobMetadataService;
@@ -286,8 +283,10 @@ public class EntityListener implements Listener {
      */
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
-        if (event instanceof FakeEntityDamageByEntityEvent || event instanceof McMMOEntityDamageByRuptureEvent) {
+        if (event.getEntity() instanceof LivingEntity livingEntity) {
-            return;
+            if (CombatUtils.hasIgnoreDamageMetadata(livingEntity)) {
+                return;
+            }
         }
 
         double damage = event.getFinalDamage();
@@ -447,14 +446,6 @@ public class EntityListener implements Listener {
 
                     player.sendMessage("Final damage: " + entityDamageEvent.getFinalDamage());
 
-                    if(entityDamageEvent instanceof FakeEntityDamageByEntityEvent) {
-                        player.sendMessage("This report is for a fake damage event used by mcMMO to test a players permission to hurt another");
-                    }
-
-                    if(entityDamageEvent instanceof McMMOEntityDamageByRuptureEvent) {
-                        player.sendMessage("This report is for a Rupture damage event, which is sent out by mcMMO");
-                    }
-
                     if(entityDamageEvent.isCancelled()) {
                         player.sendMessage("Event was cancelled, which means no damage should be done.");
                     }
@@ -481,14 +472,6 @@ public class EntityListener implements Listener {
                     player.sendMessage("Target players max health: "+otherPlayer.getAttribute(Attribute.GENERIC_MAX_HEALTH).getValue());
                     player.sendMessage("Target players current health: "+otherPlayer.getHealth());
 
-                    if(entityDamageEvent instanceof FakeEntityDamageByEntityEvent) {
-                        player.sendMessage("This report is for a fake damage event used by mcMMO to test a players permission to hurt another");
-                    }
-
-                    if(entityDamageEvent instanceof McMMOEntityDamageByRuptureEvent) {
-                        player.sendMessage("This report is for a Rupture damage event, which is sent out by mcMMO");
-                    }
-
                     if(entityDamageEvent.isCancelled()) {
                         player.sendMessage("Event was cancelled, which means no damage should be done.");
                     }
@@ -558,8 +541,10 @@ public class EntityListener implements Listener {
          * Old code
          */
 
-        if (event instanceof FakeEntityDamageEvent) {
+        if (event.getEntity() instanceof LivingEntity livingEntity) {
-            return;
+            if (CombatUtils.hasIgnoreDamageMetadata(livingEntity)) {
+                return;
+            }
         }
 
         double damage = event.getFinalDamage();

src/main/java/com/gmail/nossr50/runnables/skills/RuptureTask.java

@@ -1,7 +1,6 @@
 package com.gmail.nossr50.runnables.skills;
 
 import com.gmail.nossr50.datatypes.player.McMMOPlayer;
-import com.gmail.nossr50.events.skills.rupture.McMMOEntityDamageByRuptureEvent;
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.util.CancellableRunnable;
 import com.gmail.nossr50.util.MetadataConstants;
@@ -83,18 +82,14 @@ public class RuptureTask extends CancellableRunnable {
 
         //Ensure victim has health
         if (healthBeforeRuptureIsApplied > 0.01) {
-            //Send a fake damage event
+            // TODO: Needs updating for new spigot API
-            McMMOEntityDamageByRuptureEvent event = new McMMOEntityDamageByRuptureEvent(ruptureSource, targetEntity, calculateAdjustedTickDamage());
+            double damage = calculateAdjustedTickDamage(); //Use raw damage for Rupture
-            mcMMO.p.getServer().getPluginManager().callEvent(event);
 
-            //Ensure the event wasn't cancelled and damage is still greater than 0
+            if (damage <= 0 || healthBeforeRuptureIsApplied - damage <= 0) {
-            double damage = event.getDamage(); //Use raw damage for Rupture
-
-            if (event.isCancelled() || damage <= 0 || healthBeforeRuptureIsApplied - damage <= 0)
                 return true;
+            }
 
             double damagedHealth = healthBeforeRuptureIsApplied - damage;
-
             targetEntity.setHealth(damagedHealth); //Hurt entity without the unwanted side effects of damage()}
         }
 

src/main/java/com/gmail/nossr50/util/EventUtils.java

@@ -15,7 +15,10 @@ import com.gmail.nossr50.events.experience.McMMOPlayerLevelChangeEvent;
 import com.gmail.nossr50.events.experience.McMMOPlayerLevelDownEvent;
 import com.gmail.nossr50.events.experience.McMMOPlayerLevelUpEvent;
 import com.gmail.nossr50.events.experience.McMMOPlayerXpGainEvent;
-import com.gmail.nossr50.events.fake.*;
+import com.gmail.nossr50.events.fake.FakeBlockBreakEvent;
+import com.gmail.nossr50.events.fake.FakeBlockDamageEvent;
+import com.gmail.nossr50.events.fake.FakeEvent;
+import com.gmail.nossr50.events.fake.FakePlayerFishEvent;
 import com.gmail.nossr50.events.hardcore.McMMOPlayerPreDeathPenaltyEvent;
 import com.gmail.nossr50.events.hardcore.McMMOPlayerStatLossEvent;
 import com.gmail.nossr50.events.hardcore.McMMOPlayerVampirismEvent;
@@ -83,17 +86,6 @@ public final class EventUtils {
         return event instanceof FakeEvent;
     }
 
-    /**
-     * Checks to see if damage is from natural sources
-     * This cannot be used to determine if damage is from vanilla MC, it just checks to see if the damage is from a complex behaviour in mcMMO such as bleed.
-     *
-     * @param event this event
-     * @return true if damage is NOT from an unnatural mcMMO skill (such as bleed DOTs)
-     */
-    public static boolean isDamageFromMcMMOComplexBehaviour(@NotNull Event event) {
-        return event instanceof FakeEntityDamageEvent;
-    }
-
     /**
      * This little method is just to make the code more readable
      * 

src/main/java/com/gmail/nossr50/util/skills/CombatUtils.java

@@ -7,8 +7,6 @@ import com.gmail.nossr50.datatypes.meta.OldName;
 import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.datatypes.skills.SubSkillType;
-import com.gmail.nossr50.events.fake.FakeEntityDamageByEntityEvent;
-import com.gmail.nossr50.events.fake.FakeEntityDamageEvent;
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.metadata.MobMetaFlagType;
 import com.gmail.nossr50.metadata.MobMetadataService;
@@ -29,7 +27,6 @@ import org.bukkit.attribute.Attribute;
 import org.bukkit.attribute.AttributeInstance;
 import org.bukkit.entity.*;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.metadata.MetadataValue;
@@ -527,7 +524,6 @@ public final class CombatUtils {
      * @param target LivingEntity which to attempt to damage
      * @param damage Amount of damage to attempt to do
      */
-    @Deprecated
     public static void dealDamage(@NotNull LivingEntity target, double damage) {
         dealDamage(target, damage, DamageCause.CUSTOM, null);
     }
@@ -572,10 +568,15 @@ public final class CombatUtils {
         if (target.isDead()) {
             return;
         }
-
+        try {
-        if(canDamage(attacker, target, cause, damage)) {
+            // TODO: Check for Spigot API for DamageSource, if DamageSource is found then send out a damage() with a custom damage source
             applyIgnoreDamageMetadata(target);
-            target.damage(damage);
+            if (attacker != null) {
+                target.damage(damage, attacker);
+            } else {
+                target.damage(damage);
+            }
+        } finally {
             removeIgnoreDamageMetadata(target);
         }
     }
@@ -885,19 +886,6 @@ public final class CombatUtils {
         return false;
     }
 
-    public static boolean canDamage(@Nullable Entity attacker, @NotNull Entity target, @NotNull DamageCause damageCause, double damage) {
-        EntityDamageEvent damageEvent;
-        if (attacker != null) {
-            damageEvent = new FakeEntityDamageByEntityEvent(attacker, target, damageCause, damage);
-        } else {
-            damageEvent = new FakeEntityDamageEvent(target, damageCause, damage);
-        }
-
-        mcMMO.p.getServer().getPluginManager().callEvent(damageEvent);
-
-        return !damageEvent.isCancelled();
-    }
-
     /**
      * Get the upgrade tier of the item in hand.
      *