#915: Add support for virtual entities

By: Jishuna <joshl5324@gmail.com>

paper-api/src/main/java/org/bukkit/inventory/meta/SpawnEggMeta.java

@@ -1,8 +1,10 @@
 package org.bukkit.inventory.meta;
 
+import org.bukkit.entity.EntitySnapshot;
 import org.bukkit.entity.EntityType;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * Represents a spawn egg and it's spawned type.
@@ -30,6 +32,28 @@ public interface SpawnEggMeta extends ItemMeta {
     @Contract("_ -> fail")
     void setSpawnedType(EntityType type);
 
+    /**
+     * Gets the {@link EntitySnapshot} that will be spawned by this spawn egg or null if no entity
+     * has been set. <br>
+     * <p>
+     * All applicable data from the egg will be copied, such as custom name, health,
+     * and velocity. <br>
+     *
+     * @return the entity snapshot or null if no entity has been set
+     */
+    @Nullable
+    EntitySnapshot getSpawnedEntity();
+
+    /**
+     * Sets the {@link EntitySnapshot} that will be spawned by this spawn egg. <br>
+     * <p>
+     * All applicable data from the entity will be copied, such as custom name,
+     * health, and velocity. <br>
+     *
+     * @param snapshot the snapshot
+     */
+    void setSpawnedEntity(@NotNull EntitySnapshot snapshot);
+
     @NotNull
     @Override
     SpawnEggMeta clone();