Add EntityInstanceEvent (#480)

src/main/java/net/minestom/server/event/entity/EntityAttackEvent.java

@@ -1,14 +1,14 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player does a left click on an entity or with
  * {@link net.minestom.server.entity.EntityCreature#attack(Entity)}.
  */
-public class EntityAttackEvent implements EntityEvent {
+public class EntityAttackEvent implements EntityInstanceEvent {
 
     private final Entity entity;
     private final Entity target;

src/main/java/net/minestom/server/event/entity/EntityDamageEvent.java

@@ -4,13 +4,13 @@ import net.minestom.server.entity.Entity;
 import net.minestom.server.entity.LivingEntity;
 import net.minestom.server.entity.damage.DamageType;
 import net.minestom.server.event.trait.CancellableEvent;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called with {@link LivingEntity#damage(DamageType, float)}.
  */
-public class EntityDamageEvent implements EntityEvent, CancellableEvent {
+public class EntityDamageEvent implements EntityInstanceEvent, CancellableEvent {
 
     private final Entity entity;
     private final DamageType damageType;

src/main/java/net/minestom/server/event/entity/EntityDeathEvent.java

@@ -1,10 +1,10 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
-public class EntityDeathEvent implements EntityEvent {
+public class EntityDeathEvent implements EntityInstanceEvent {
 
     // TODO cause
     private final Entity entity;

src/main/java/net/minestom/server/event/entity/EntityFireEvent.java

@@ -2,13 +2,13 @@ package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
 import net.minestom.server.event.trait.CancellableEvent;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
 import java.time.Duration;
 import java.time.temporal.TemporalUnit;
 
-public class EntityFireEvent implements EntityEvent, CancellableEvent {
+public class EntityFireEvent implements EntityInstanceEvent, CancellableEvent {
 
     private final Entity entity;
     private Duration duration;

src/main/java/net/minestom/server/event/entity/EntityItemMergeEvent.java

@@ -3,14 +3,14 @@ package net.minestom.server.event.entity;
 import net.minestom.server.entity.Entity;
 import net.minestom.server.entity.ItemEntity;
 import net.minestom.server.event.trait.CancellableEvent;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when two {@link ItemEntity} are merging their {@link ItemStack} together to form a sole entity.
  */
-public class EntityItemMergeEvent implements EntityEvent, CancellableEvent {
+public class EntityItemMergeEvent implements EntityInstanceEvent, CancellableEvent {
 
     private final Entity entity;
     private final ItemEntity merged;

src/main/java/net/minestom/server/event/entity/EntityPotionAddEvent.java

@@ -1,11 +1,11 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.potion.Potion;
 import org.jetbrains.annotations.NotNull;
 
-public class EntityPotionAddEvent implements EntityEvent {
+public class EntityPotionAddEvent implements EntityInstanceEvent {
 
     private final Entity entity;
     private final Potion potion;

src/main/java/net/minestom/server/event/entity/EntityPotionRemoveEvent.java

@@ -1,11 +1,11 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.potion.Potion;
 import org.jetbrains.annotations.NotNull;
 
-public class EntityPotionRemoveEvent implements EntityEvent {
+public class EntityPotionRemoveEvent implements EntityInstanceEvent {
 
     private final Entity entity;
     private final Potion potion;

src/main/java/net/minestom/server/event/entity/EntityShootEvent.java

@@ -4,13 +4,13 @@ import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Entity;
 import net.minestom.server.entity.EntityProjectile;
 import net.minestom.server.event.trait.CancellableEvent;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called with {@link EntityProjectile#shoot(Point, double, double)}
  */
-public class EntityShootEvent implements EntityEvent, CancellableEvent {
+public class EntityShootEvent implements EntityInstanceEvent, CancellableEvent {
 
     private final Entity entity;
     private final Entity projectile;

src/main/java/net/minestom/server/event/entity/EntitySpawnEvent.java

@@ -1,14 +1,14 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.instance.Instance;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a new instance is set for an entity.
  */
-public class EntitySpawnEvent implements EntityEvent {
+public class EntitySpawnEvent implements EntityInstanceEvent {
 
     private final Entity entity;
     private final Instance spawnInstance;

src/main/java/net/minestom/server/event/entity/EntityTickEvent.java

@@ -1,14 +1,14 @@
 package net.minestom.server.event.entity;
 
 import net.minestom.server.entity.Entity;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when an entity ticks itself.
  * Same event instance used for all tick events for the same entity.
  */
-public class EntityTickEvent implements EntityEvent {
+public class EntityTickEvent implements EntityInstanceEvent {
 
     private final Entity entity;
 

src/main/java/net/minestom/server/event/entity/EntityVelocityEvent.java

@@ -1,15 +1,15 @@
 package net.minestom.server.event.entity;
 
+import net.minestom.server.coordinate.Vec;
 import net.minestom.server.entity.Entity;
 import net.minestom.server.event.trait.CancellableEvent;
-import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
-import net.minestom.server.coordinate.Vec;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a velocity is applied to an entity using {@link Entity#setVelocity(Vec)}.
  */
-public class EntityVelocityEvent implements EntityEvent, CancellableEvent {
+public class EntityVelocityEvent implements EntityInstanceEvent, CancellableEvent {
 
     private final Entity entity;
     private Vec velocity;

src/main/java/net/minestom/server/event/inventory/InventoryClickEvent.java

@@ -1,6 +1,7 @@
 package net.minestom.server.event.inventory;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.InventoryEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.inventory.Inventory;
@@ -13,7 +14,7 @@ import org.jetbrains.annotations.Nullable;
  * Called after {@link InventoryPreClickEvent}, this event cannot be cancelled and items related to the click
  * are already moved.
  */
-public class InventoryClickEvent implements InventoryEvent, PlayerEvent {
+public class InventoryClickEvent implements InventoryEvent, PlayerEvent, EntityInstanceEvent {
 
     private final Inventory inventory;
     private final Player player;

src/main/java/net/minestom/server/event/inventory/InventoryCloseEvent.java

@@ -1,6 +1,7 @@
 package net.minestom.server.event.inventory;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.InventoryEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.inventory.Inventory;
@@ -10,7 +11,7 @@ import org.jetbrains.annotations.Nullable;
 /**
  * Called when an {@link Inventory} is closed by a player.
  */
-public class InventoryCloseEvent implements InventoryEvent, PlayerEvent {
+public class InventoryCloseEvent implements InventoryEvent, PlayerEvent, EntityInstanceEvent {
 
     private final Inventory inventory;
     private final Player player;

src/main/java/net/minestom/server/event/inventory/InventoryOpenEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.inventory;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.InventoryEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.inventory.Inventory;
@@ -13,7 +14,7 @@ import org.jetbrains.annotations.Nullable;
  * <p>
  * Executed by {@link Player#openInventory(Inventory)}.
  */
-public class InventoryOpenEvent implements InventoryEvent, PlayerEvent, CancellableEvent {
+public class InventoryOpenEvent implements InventoryEvent, PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private Inventory inventory;
     private final Player player;

src/main/java/net/minestom/server/event/inventory/InventoryPreClickEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.inventory;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.InventoryEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.inventory.Inventory;
@@ -13,7 +14,7 @@ import org.jetbrains.annotations.Nullable;
 /**
  * Called before {@link InventoryClickEvent}, used to potentially cancel the click.
  */
-public class InventoryPreClickEvent implements InventoryEvent, PlayerEvent, CancellableEvent {
+public class InventoryPreClickEvent implements InventoryEvent, PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Inventory inventory;
     private final Player player;

src/main/java/net/minestom/server/event/inventory/PlayerInventoryItemChangeEvent.java

@@ -1,6 +1,7 @@
 package net.minestom.server.event.inventory;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.inventory.AbstractInventory;
 import net.minestom.server.inventory.PlayerInventory;
@@ -10,12 +11,12 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Called when {@link AbstractInventory#safeItemInsert(int, ItemStack)} is being invoked on a {@link PlayerInventory}.
  * This event cannot be cancelled and items related to the change are already moved.
- *
+ * <p>
  * When this event is being called, {@link InventoryItemChangeEvent} listeners will also be triggered, so you can
  * listen only for an ancestor event and check whether it is an instance of that class.
  */
 @SuppressWarnings("JavadocReference")
-public class PlayerInventoryItemChangeEvent extends InventoryItemChangeEvent implements PlayerEvent {
+public class PlayerInventoryItemChangeEvent extends InventoryItemChangeEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/item/EntityEquipEvent.java

@@ -3,11 +3,12 @@ package net.minestom.server.event.item;
 import net.minestom.server.entity.Entity;
 import net.minestom.server.entity.EquipmentSlot;
 import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
-public class EntityEquipEvent implements EntityEvent, ItemEvent {
+public class EntityEquipEvent implements EntityEvent, EntityInstanceEvent, ItemEvent {
 
     private final Entity entity;
     private ItemStack equippedItem;

src/main/java/net/minestom/server/event/item/ItemDropEvent.java

@@ -2,12 +2,13 @@ package net.minestom.server.event.item;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
-public class ItemDropEvent implements PlayerEvent, ItemEvent, CancellableEvent {
+public class ItemDropEvent implements PlayerEvent, EntityInstanceEvent, ItemEvent, CancellableEvent {
 
     private final Player player;
     private final ItemStack itemStack;

src/main/java/net/minestom/server/event/item/ItemUpdateStateEvent.java

@@ -1,12 +1,13 @@
 package net.minestom.server.event.item;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
-public class ItemUpdateStateEvent implements PlayerEvent, ItemEvent {
+public class ItemUpdateStateEvent implements PlayerEvent, EntityInstanceEvent, ItemEvent {
 
     private final Player player;
     private final Player.Hand hand;

src/main/java/net/minestom/server/event/item/PickupExperienceEvent.java

@@ -3,10 +3,11 @@ package net.minestom.server.event.item;
 import net.minestom.server.entity.ExperienceOrb;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
-public class PickupExperienceEvent implements CancellableEvent, PlayerEvent {
+public class PickupExperienceEvent implements CancellableEvent, PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final ExperienceOrb experienceOrb;

src/main/java/net/minestom/server/event/item/PickupItemEvent.java

@@ -5,11 +5,12 @@ import net.minestom.server.entity.ItemEntity;
 import net.minestom.server.entity.LivingEntity;
 import net.minestom.server.event.trait.CancellableEvent;
 import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
-public class PickupItemEvent implements EntityEvent, ItemEvent, CancellableEvent {
+public class PickupItemEvent implements EntityEvent, EntityInstanceEvent, ItemEvent, CancellableEvent {
 
     private final LivingEntity livingEntity;
     private final ItemEntity itemEntity;

src/main/java/net/minestom/server/event/player/AdvancementTabEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.advancements.AdvancementAction;
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
@@ -9,7 +10,7 @@ import org.jetbrains.annotations.NotNull;
  * Called when a {@link Player} opens the advancement screens or switch the tab
  * and when he closes the screen.
  */
-public class AdvancementTabEvent implements PlayerEvent {
+public class AdvancementTabEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final AdvancementAction action;

src/main/java/net/minestom/server/event/player/PlayerBlockBreakEvent.java

@@ -1,14 +1,15 @@
 package net.minestom.server.event.player;
 
+import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.BlockEvent;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.instance.block.Block;
-import net.minestom.server.coordinate.Point;
 import org.jetbrains.annotations.NotNull;
 
-public class PlayerBlockBreakEvent implements PlayerEvent, BlockEvent, CancellableEvent {
+public class PlayerBlockBreakEvent implements PlayerEvent, EntityInstanceEvent, BlockEvent, CancellableEvent {
 
     private final Player player;
     private final Block block;

src/main/java/net/minestom/server/event/player/PlayerBlockInteractEvent.java

@@ -1,19 +1,20 @@
 package net.minestom.server.event.player;
 
+import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.BlockEvent;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.instance.block.Block;
 import net.minestom.server.instance.block.BlockFace;
-import net.minestom.server.coordinate.Point;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player interacts with a block (right-click).
  * This is also called when a block is placed.
  */
-public class PlayerBlockInteractEvent implements PlayerEvent, BlockEvent, CancellableEvent {
+public class PlayerBlockInteractEvent implements PlayerEvent, EntityInstanceEvent, BlockEvent, CancellableEvent {
 
     private final Player player;
     private final Player.Hand hand;

src/main/java/net/minestom/server/event/player/PlayerBlockPlaceEvent.java

@@ -4,6 +4,7 @@ import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.BlockEvent;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.instance.block.Block;
 import net.minestom.server.instance.block.BlockFace;
@@ -12,7 +13,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Called when a player tries placing a block.
  */
-public class PlayerBlockPlaceEvent implements PlayerEvent, BlockEvent, CancellableEvent {
+public class PlayerBlockPlaceEvent implements PlayerEvent, EntityInstanceEvent, BlockEvent, CancellableEvent {
 
     private final Player player;
     private Block block;

src/main/java/net/minestom/server/event/player/PlayerChangeHeldSlotEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.utils.MathUtils;
 import net.minestom.server.utils.validate.Check;
@@ -10,7 +11,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Called when a player change his held slot (by pressing 1-9 keys).
  */
-public class PlayerChangeHeldSlotEvent implements PlayerEvent, CancellableEvent {
+public class PlayerChangeHeldSlotEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private byte slot;

src/main/java/net/minestom/server/event/player/PlayerChatEvent.java

@@ -3,6 +3,7 @@ package net.minestom.server.event.player;
 import net.kyori.adventure.text.Component;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -16,7 +17,7 @@ import java.util.function.Supplier;
  * Called every time a {@link Player} write and send something in the chat.
  * The event can be cancelled to do not send anything, and the format can be changed.
  */
-public class PlayerChatEvent implements PlayerEvent, CancellableEvent {
+public class PlayerChatEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private final Collection<Player> recipients;

src/main/java/net/minestom/server/event/player/PlayerChunkLoadEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player receive a new chunk data.
  */
-public class PlayerChunkLoadEvent implements PlayerEvent {
+public class PlayerChunkLoadEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final int chunkX, chunkZ;

src/main/java/net/minestom/server/event/player/PlayerChunkUnloadEvent.java

@@ -1,6 +1,7 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
@@ -9,7 +10,7 @@ import org.jetbrains.annotations.NotNull;
  * <p>
  * Could be used to unload the chunk internally in order to save memory.
  */
-public class PlayerChunkUnloadEvent implements PlayerEvent {
+public class PlayerChunkUnloadEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final int chunkX, chunkZ;

src/main/java/net/minestom/server/event/player/PlayerCommandEvent.java

@@ -2,13 +2,14 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called every time a player send a message starting by '/'.
  */
-public class PlayerCommandEvent implements PlayerEvent, CancellableEvent {
+public class PlayerCommandEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private String command;

src/main/java/net/minestom/server/event/player/PlayerDeathEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.kyori.adventure.text.Component;
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -9,7 +10,7 @@ import org.jetbrains.annotations.Nullable;
 /**
  * Called when a player die in {@link Player#kill()}.
  */
-public class PlayerDeathEvent implements PlayerEvent {
+public class PlayerDeathEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private Component deathText;

src/main/java/net/minestom/server/event/player/PlayerDisconnectEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player disconnect.
  */
-public class PlayerDisconnectEvent implements PlayerEvent {
+public class PlayerDisconnectEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerEatEvent.java

@@ -1,6 +1,7 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
@@ -8,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Called when a player is finished eating.
  */
-public class PlayerEatEvent implements PlayerEvent {
+public class PlayerEatEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final ItemStack foodItem;

src/main/java/net/minestom/server/event/player/PlayerEntityInteractEvent.java

@@ -2,13 +2,14 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Entity;
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a {@link Player} interacts (right-click) with an {@link Entity}.
  */
-public class PlayerEntityInteractEvent implements PlayerEvent {
+public class PlayerEntityInteractEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final Entity entityTarget;

src/main/java/net/minestom/server/event/player/PlayerHandAnimationEvent.java

@@ -2,13 +2,14 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when the player swings his hand.
  */
-public class PlayerHandAnimationEvent implements PlayerEvent, CancellableEvent {
+public class PlayerHandAnimationEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private final Player.Hand hand;

src/main/java/net/minestom/server/event/player/PlayerItemAnimationEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
@@ -10,7 +11,7 @@ import org.jetbrains.annotations.NotNull;
  *
  * @see ItemAnimationType
  */
-public class PlayerItemAnimationEvent implements PlayerEvent, CancellableEvent {
+public class PlayerItemAnimationEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private final ItemAnimationType armAnimationType;

src/main/java/net/minestom/server/event/player/PlayerMoveEvent.java

@@ -1,15 +1,16 @@
 package net.minestom.server.event.player;
 
+import net.minestom.server.coordinate.Pos;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
-import net.minestom.server.coordinate.Pos;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player is modifying his position.
  */
-public class PlayerMoveEvent implements PlayerEvent, CancellableEvent {
+public class PlayerMoveEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private Pos newPosition;

src/main/java/net/minestom/server/event/player/PlayerPacketEvent.java

@@ -2,11 +2,12 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.network.packet.client.ClientPacket;
 import org.jetbrains.annotations.NotNull;
 
-public class PlayerPacketEvent implements PlayerEvent, CancellableEvent {
+public class PlayerPacketEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private final ClientPacket packet;

src/main/java/net/minestom/server/event/player/PlayerPluginMessageEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player send {@link net.minestom.server.network.packet.client.play.ClientPluginMessagePacket}.
  */
-public class PlayerPluginMessageEvent implements PlayerEvent {
+public class PlayerPluginMessageEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
     private final String identifier;

src/main/java/net/minestom/server/event/player/PlayerPreEatEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
@@ -11,7 +12,7 @@ import org.jetbrains.annotations.NotNull;
  * or to cancel its processing, cancelling the event means that the player will
  * continue the animation indefinitely.
  */
-public class PlayerPreEatEvent implements PlayerEvent, CancellableEvent {
+public class PlayerPreEatEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private final ItemStack foodItem;

src/main/java/net/minestom/server/event/player/PlayerStartDiggingEvent.java

@@ -1,11 +1,12 @@
 package net.minestom.server.event.player;
 
+import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.BlockEvent;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.instance.block.Block;
-import net.minestom.server.coordinate.Point;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -16,7 +17,7 @@ import org.jetbrains.annotations.NotNull;
  * (could be because of high latency or a modified client) so cancelling {@link PlayerBlockBreakEvent} is also necessary.
  * Could be fixed in future Minestom version.
  */
-public class PlayerStartDiggingEvent implements PlayerEvent, BlockEvent, CancellableEvent {
+public class PlayerStartDiggingEvent implements PlayerEvent, EntityInstanceEvent, BlockEvent, CancellableEvent {
 
     private final Player player;
     private final Block block;

src/main/java/net/minestom/server/event/player/PlayerStartFlyingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player start flying.
  */
-public class PlayerStartFlyingEvent implements PlayerEvent {
+public class PlayerStartFlyingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStartFlyingWithElytraEvent.java

@@ -1,10 +1,11 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
-public class PlayerStartFlyingWithElytraEvent implements PlayerEvent {
+public class PlayerStartFlyingWithElytraEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStartSneakingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player starts sneaking.
  */
-public class PlayerStartSneakingEvent implements PlayerEvent {
+public class PlayerStartSneakingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStartSprintingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player starts sprinting.
  */
-public class PlayerStartSprintingEvent implements PlayerEvent {
+public class PlayerStartSprintingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStopFlyingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player stop flying.
  */
-public class PlayerStopFlyingEvent implements PlayerEvent {
+public class PlayerStopFlyingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStopFlyingWithElytraEvent.java

@@ -1,10 +1,11 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
-public class PlayerStopFlyingWithElytraEvent implements PlayerEvent {
+public class PlayerStopFlyingWithElytraEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStopSneakingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player stops sneaking.
  */
-public class PlayerStopSneakingEvent implements PlayerEvent {
+public class PlayerStopSneakingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerStopSprintingEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called when a player stops sprinting.
  */
-public class PlayerStopSprintingEvent implements PlayerEvent {
+public class PlayerStopSprintingEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerSwapItemEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
@@ -9,7 +10,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Called when a player is trying to swap his main and off hand item.
  */
-public class PlayerSwapItemEvent implements PlayerEvent, CancellableEvent {
+public class PlayerSwapItemEvent implements PlayerEvent, EntityInstanceEvent, CancellableEvent {
 
     private final Player player;
     private ItemStack mainHandItem;

src/main/java/net/minestom/server/event/player/PlayerTickEvent.java

@@ -1,13 +1,14 @@
 package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Called at each player tick.
  */
-public class PlayerTickEvent implements PlayerEvent {
+public class PlayerTickEvent implements PlayerEvent, EntityInstanceEvent {
 
     private final Player player;
 

src/main/java/net/minestom/server/event/player/PlayerUseItemEvent.java

@@ -2,6 +2,7 @@ package net.minestom.server.event.player;
 
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.trait.CancellableEvent;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
@@ -10,7 +11,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Event when an item is used without clicking on a block.
  */
-public class PlayerUseItemEvent implements PlayerEvent, ItemEvent, CancellableEvent {
+public class PlayerUseItemEvent implements PlayerEvent, EntityInstanceEvent, ItemEvent, CancellableEvent {
 
     private final Player player;
     private final Player.Hand hand;

src/main/java/net/minestom/server/event/player/PlayerUseItemOnBlockEvent.java

@@ -1,17 +1,18 @@
 package net.minestom.server.event.player;
 
+import net.minestom.server.coordinate.Point;
 import net.minestom.server.entity.Player;
+import net.minestom.server.event.trait.EntityInstanceEvent;
 import net.minestom.server.event.trait.ItemEvent;
 import net.minestom.server.event.trait.PlayerEvent;
 import net.minestom.server.item.ItemStack;
 import net.minestom.server.utils.Direction;
-import net.minestom.server.coordinate.Point;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Used when a player is clicking on a block with an item (but is not a block in item form).
  */
-public class PlayerUseItemOnBlockEvent implements PlayerEvent, ItemEvent {
+public class PlayerUseItemOnBlockEvent implements PlayerEvent, EntityInstanceEvent, ItemEvent {
 
     private final Player player;
     private final Player.Hand hand;

src/main/java/net/minestom/server/event/trait/EntityInstanceEvent.java

@@ -0,0 +1,23 @@
+package net.minestom.server.event.trait;
+
+import net.minestom.server.entity.Entity;
+import net.minestom.server.instance.Instance;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Represents an {@link EntityEvent} which happen in {@link Entity#getInstance()}.
+ * Useful if you need to listen to entity events happening in its instance.
+ * <p>
+ * Be aware that the entity's instance must be non-null.
+ */
+@ApiStatus.Internal
+@ApiStatus.Experimental
+public interface EntityInstanceEvent extends EntityEvent, InstanceEvent {
+    @Override
+    default @NotNull Instance getInstance() {
+        final Instance instance = getEntity().getInstance();
+        assert instance != null : "EntityInstanceEvent is only supported on events where the entity's instance is non-null!";
+        return instance;
+    }
+}