Deprecate the poss ball, replace with mob capture ball

src/main/java/dev/zontreck/otemod/registry/PerPlayerDataRegistry.java

@@ -1,6 +1,52 @@
 package dev.zontreck.otemod.registry;
 
+import dev.zontreck.libzontreck.events.ProfileUnloadedEvent;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
 public class PerPlayerDataRegistry {
     // The idea here is to make a registry unique to a player for mod data
     // This will allow separating handling of functions, like cooldowns
+    private static Map<UUID, CompoundTag> cache = new HashMap<>();
+
+    public static void put(UUID ID, String nick, Tag tag)
+    {
+        if(cache.containsKey(ID))
+        {
+            CompoundTag xTag = cache.get(ID);
+            xTag.put(nick, tag);
+        }else {
+            CompoundTag xTag = new CompoundTag();
+            xTag.put(nick,tag);
+
+            cache.put(ID, xTag);
+        }
+    }
+
+    public static Tag get(UUID ID, String nick)
+    {
+        if(cache.containsKey(ID))
+        {
+            CompoundTag tag = cache.get(ID);
+            if(tag.contains(nick)) return tag.get(nick);
+        }
+
+        return null;
+    }
+
+
+    @SubscribeEvent
+    public static void onProfileUnload(ProfileUnloadedEvent ev)
+    {
+        if(cache.containsKey(UUID.fromString(ev.user_id)))
+        {
+            cache.remove(UUID.fromString(ev.user_id));
+        }
+    }
 }