[Bleeding] Added event calls for healing and harming by potions

By: Zeerix <zeerix@draig.de>

paper-server/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -4,6 +4,7 @@ import java.net.InetAddress;
 import java.util.List;
 
 import net.minecraft.server.ChunkCoordinates;
+import net.minecraft.server.Entity;
 import net.minecraft.server.EntityBlaze;
 import net.minecraft.server.EntityCaveSpider;
 import net.minecraft.server.EntityChicken;
@@ -56,6 +57,7 @@ import org.bukkit.event.Event.Type;
 import org.bukkit.event.block.*;
 import org.bukkit.event.entity.*;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 import org.bukkit.event.player.*;
 import org.bukkit.event.server.ServerListPingEvent;
 
@@ -353,4 +355,19 @@ public class CraftEventFactory {
         craftServer.getPluginManager().callEvent(event);
         return event;
     }
+
+    /**
+     * EntityDamage(ByEntityEvent)
+     */
+    public static EntityDamageEvent callEntityDamageEvent(Entity damager, EntityLiving damagee, DamageCause cause, int damage) {
+        EntityDamageEvent event;
+        if (damager != null) {
+            event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, damage);
+        } else {
+            event = new EntityDamageEvent(damagee.getBukkitEntity(), cause, damage);
+        }
+        Bukkit.getPluginManager().callEvent(event);
+
+        return event;
+    }
 }