entities support wip

src/main/java/me/unurled/sacredrealms/sr/components/entity/EntityManager.java

@@ -0,0 +1,50 @@
+package me.unurled.sacredrealms.sr.components.entity;
+
+import java.util.HashMap;
+import java.util.UUID;
+import me.unurled.sacredrealms.sr.managers.Manager;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Mob;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntitySpawnEvent;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class EntityManager extends Manager {
+
+  @NotNull private final HashMap<UUID, SREntity> entities;
+
+  public EntityManager() {
+    super();
+    entities = new HashMap<>();
+  }
+
+  @Nullable
+  public SREntity getEntity(@NotNull UUID uuid) {
+    return entities.get(uuid);
+  }
+
+  public void addEntity(@NotNull SREntity entity) {
+    entities.put(entity.getUuid(), entity);
+  }
+
+  public void addEntity(@NotNull Entity e) {
+    entities.put(e.getUniqueId(), new SREntity(e));
+  }
+
+  public boolean isSREntity(@NotNull UUID uuid) {
+    return entities.containsKey(uuid);
+  }
+
+  @EventHandler
+  public void onEntitySpawn(EntitySpawnEvent e) {
+    if (e.getEntity() instanceof Player) return;
+
+    if (isSREntity(e.getEntity().getUniqueId())) return;
+
+    if (!(e.getEntity() instanceof Mob)) return;
+
+    e.setCancelled(true);
+  }
+}

src/main/java/me/unurled/sacredrealms/sr/components/entity/SREntity.java

@@ -0,0 +1,17 @@
+package me.unurled.sacredrealms.sr.components.entity;
+
+import java.util.UUID;
+import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.NotNull;
+
+public class SREntity {
+  private final UUID uuid;
+
+  public SREntity(@NotNull Entity e) {
+    uuid = e.getUniqueId();
+  }
+
+  public UUID getUuid() {
+    return uuid;
+  }
+}