Replace all "minecraft" references and store the string in a constant

doc/MinecraftVersions.md

@@ -35,4 +35,4 @@ you need to provide the full packet mapping. The id depends on the order.
 
 
 ---
-Note: Do not check for protocolIds (especially  in EntityMetaData or Packets), this data is not reliable! Use version Ids.
+Note: Do not check for protocolIds (especially  in EntityMetaData or Packets), this data is not reliable (because snapshot ids are that much higher)! Use version Ids.

src/main/java/de/bixilon/minosoft/data/ChangeableIdentifier.java

@@ -19,7 +19,7 @@ import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition;
 import java.util.TreeMap;
 
 public class ChangeableIdentifier extends VersionValueMap<String> {
-    String mod = "minecraft";
+    String mod = ProtocolDefinition.DEFAULT_MOD;
 
     public ChangeableIdentifier(String legacy, String water) {
         values.put(Versions.LOWEST_VERSION_SUPPORTED.getVersionId(), legacy);

src/main/java/de/bixilon/minosoft/data/EntityClassMappings.java

@@ -43,124 +43,124 @@ import de.bixilon.minosoft.data.entities.entities.npc.WanderingTrader;
 import de.bixilon.minosoft.data.entities.entities.player.PlayerEntity;
 import de.bixilon.minosoft.data.entities.entities.projectile.*;
 import de.bixilon.minosoft.data.entities.entities.vehicle.*;
-import javafx.util.Pair;
+import de.bixilon.minosoft.data.mappings.ModIdentifier;
 
 public final class EntityClassMappings {
-    public static final HashBiMap<Class<? extends Entity>, Pair<String, String>> ENTITY_CLASS_MAPPINGS = HashBiMap.create();
+    public static final HashBiMap<Class<? extends Entity>, ModIdentifier> ENTITY_CLASS_MAPPINGS = HashBiMap.create();
 
     static {
-        ENTITY_CLASS_MAPPINGS.put(AreaEffectCloud.class, new Pair<>("minecraft", "area_effect_cloud"));
-        ENTITY_CLASS_MAPPINGS.put(ArmorStand.class, new Pair<>("minecraft", "armor_stand"));
-        ENTITY_CLASS_MAPPINGS.put(Arrow.class, new Pair<>("minecraft", "arrow"));
-        ENTITY_CLASS_MAPPINGS.put(Bat.class, new Pair<>("minecraft", "bat"));
-        ENTITY_CLASS_MAPPINGS.put(Bee.class, new Pair<>("minecraft", "bee"));
-        ENTITY_CLASS_MAPPINGS.put(Blaze.class, new Pair<>("minecraft", "blaze"));
-        ENTITY_CLASS_MAPPINGS.put(Boat.class, new Pair<>("minecraft", "boat"));
-        ENTITY_CLASS_MAPPINGS.put(Cat.class, new Pair<>("minecraft", "cat"));
-        ENTITY_CLASS_MAPPINGS.put(CaveSpider.class, new Pair<>("minecraft", "cave_spider"));
-        ENTITY_CLASS_MAPPINGS.put(Chicken.class, new Pair<>("minecraft", "chicken"));
-        ENTITY_CLASS_MAPPINGS.put(Cod.class, new Pair<>("minecraft", "cod"));
-        ENTITY_CLASS_MAPPINGS.put(Cow.class, new Pair<>("minecraft", "cow"));
-        ENTITY_CLASS_MAPPINGS.put(Creeper.class, new Pair<>("minecraft", "creeper"));
-        ENTITY_CLASS_MAPPINGS.put(Dolphin.class, new Pair<>("minecraft", "dolphin"));
-        ENTITY_CLASS_MAPPINGS.put(Donkey.class, new Pair<>("minecraft", "donkey"));
-        ENTITY_CLASS_MAPPINGS.put(DragonFireball.class, new Pair<>("minecraft", "dragon_fireball"));
-        ENTITY_CLASS_MAPPINGS.put(Drowned.class, new Pair<>("minecraft", "drowned"));
-        ENTITY_CLASS_MAPPINGS.put(ElderGuardian.class, new Pair<>("minecraft", "elder_guardian"));
-        ENTITY_CLASS_MAPPINGS.put(EndCrystal.class, new Pair<>("minecraft", "end_crystal"));
-        ENTITY_CLASS_MAPPINGS.put(EnderDragon.class, new Pair<>("minecraft", "ender_dragon"));
-        ENTITY_CLASS_MAPPINGS.put(Enderman.class, new Pair<>("minecraft", "enderman"));
-        ENTITY_CLASS_MAPPINGS.put(Endermite.class, new Pair<>("minecraft", "endermite"));
-        ENTITY_CLASS_MAPPINGS.put(Evoker.class, new Pair<>("minecraft", "evoker"));
-        ENTITY_CLASS_MAPPINGS.put(EvokerFangs.class, new Pair<>("minecraft", "evoker_fangs"));
-        ENTITY_CLASS_MAPPINGS.put(ExperienceOrb.class, new Pair<>("minecraft", "experience_orb"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownEyeOfEnder.class, new Pair<>("minecraft", "eye_of_ender"));
-        ENTITY_CLASS_MAPPINGS.put(FallingBlock.class, new Pair<>("minecraft", "falling_block"));
-        ENTITY_CLASS_MAPPINGS.put(FireworkRocketEntity.class, new Pair<>("minecraft", "firework_rocket"));
-        ENTITY_CLASS_MAPPINGS.put(Fox.class, new Pair<>("minecraft", "fox"));
-        ENTITY_CLASS_MAPPINGS.put(Ghast.class, new Pair<>("minecraft", "ghast"));
-        ENTITY_CLASS_MAPPINGS.put(Giant.class, new Pair<>("minecraft", "giant"));
-        ENTITY_CLASS_MAPPINGS.put(Guardian.class, new Pair<>("minecraft", "guardian"));
-        ENTITY_CLASS_MAPPINGS.put(Hoglin.class, new Pair<>("minecraft", "hoglin"));
-        ENTITY_CLASS_MAPPINGS.put(Horse.class, new Pair<>("minecraft", "horse"));
-        ENTITY_CLASS_MAPPINGS.put(Husk.class, new Pair<>("minecraft", "husk"));
-        ENTITY_CLASS_MAPPINGS.put(Illusioner.class, new Pair<>("minecraft", "illusioner"));
-        ENTITY_CLASS_MAPPINGS.put(IronGolem.class, new Pair<>("minecraft", "iron_golem"));
-        ENTITY_CLASS_MAPPINGS.put(ItemEntity.class, new Pair<>("minecraft", "item"));
-        ENTITY_CLASS_MAPPINGS.put(ItemFrame.class, new Pair<>("minecraft", "item_frame"));
-        ENTITY_CLASS_MAPPINGS.put(LargeFireball.class, new Pair<>("minecraft", "fireball"));
-        ENTITY_CLASS_MAPPINGS.put(LeashFenceKnotEntity.class, new Pair<>("minecraft", "leash_knot"));
-        ENTITY_CLASS_MAPPINGS.put(LightningBolt.class, new Pair<>("minecraft", "lightning_bolt"));
-        ENTITY_CLASS_MAPPINGS.put(Llama.class, new Pair<>("minecraft", "llama"));
-        ENTITY_CLASS_MAPPINGS.put(LlamaSpit.class, new Pair<>("minecraft", "llama_spit"));
-        ENTITY_CLASS_MAPPINGS.put(MagmaCube.class, new Pair<>("minecraft", "magma_cube"));
-        ENTITY_CLASS_MAPPINGS.put(Minecart.class, new Pair<>("minecraft", "minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartChest.class, new Pair<>("minecraft", "chest_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartCommandBlock.class, new Pair<>("minecraft", "command_block_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartFurnace.class, new Pair<>("minecraft", "furnace_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartHopper.class, new Pair<>("minecraft", "hopper_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartSpawner.class, new Pair<>("minecraft", "spawner_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(MinecartTNT.class, new Pair<>("minecraft", "tnt_minecart"));
-        ENTITY_CLASS_MAPPINGS.put(Mule.class, new Pair<>("minecraft", "mule"));
-        ENTITY_CLASS_MAPPINGS.put(Mooshroom.class, new Pair<>("minecraft", "mooshroom"));
-        ENTITY_CLASS_MAPPINGS.put(Ocelot.class, new Pair<>("minecraft", "ocelot"));
-        ENTITY_CLASS_MAPPINGS.put(Painting.class, new Pair<>("minecraft", "painting"));
-        ENTITY_CLASS_MAPPINGS.put(Panda.class, new Pair<>("minecraft", "panda"));
-        ENTITY_CLASS_MAPPINGS.put(Parrot.class, new Pair<>("minecraft", "parrot"));
-        ENTITY_CLASS_MAPPINGS.put(Phantom.class, new Pair<>("minecraft", "phantom"));
-        ENTITY_CLASS_MAPPINGS.put(Pig.class, new Pair<>("minecraft", "pig"));
-        ENTITY_CLASS_MAPPINGS.put(Piglin.class, new Pair<>("minecraft", "piglin"));
-        ENTITY_CLASS_MAPPINGS.put(PiglinBrute.class, new Pair<>("minecraft", "piglin_brute"));
-        ENTITY_CLASS_MAPPINGS.put(Pillager.class, new Pair<>("minecraft", "pillager"));
-        ENTITY_CLASS_MAPPINGS.put(PolarBear.class, new Pair<>("minecraft", "polar_bear"));
-        ENTITY_CLASS_MAPPINGS.put(PrimedTNT.class, new Pair<>("minecraft", "tnt"));
-        ENTITY_CLASS_MAPPINGS.put(PufferFish.class, new Pair<>("minecraft", "pufferfish"));
-        ENTITY_CLASS_MAPPINGS.put(Rabbit.class, new Pair<>("minecraft", "rabbit"));
-        ENTITY_CLASS_MAPPINGS.put(Ravenger.class, new Pair<>("minecraft", "ravager"));
-        ENTITY_CLASS_MAPPINGS.put(Salmon.class, new Pair<>("minecraft", "salmon"));
-        ENTITY_CLASS_MAPPINGS.put(Sheep.class, new Pair<>("minecraft", "sheep"));
-        ENTITY_CLASS_MAPPINGS.put(Shulker.class, new Pair<>("minecraft", "shulker"));
-        ENTITY_CLASS_MAPPINGS.put(ShulkerBullet.class, new Pair<>("minecraft", "shulker_bullet"));
-        ENTITY_CLASS_MAPPINGS.put(Silverfish.class, new Pair<>("minecraft", "silverfish"));
-        ENTITY_CLASS_MAPPINGS.put(Skeleton.class, new Pair<>("minecraft", "skeleton"));
-        ENTITY_CLASS_MAPPINGS.put(SkeletonHorse.class, new Pair<>("minecraft", "skeleton_horse"));
-        ENTITY_CLASS_MAPPINGS.put(Slime.class, new Pair<>("minecraft", "slime"));
-        ENTITY_CLASS_MAPPINGS.put(SmallFireball.class, new Pair<>("minecraft", "small_fireball"));
-        ENTITY_CLASS_MAPPINGS.put(SnowGolem.class, new Pair<>("minecraft", "snow_golem"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownSnowball.class, new Pair<>("minecraft", "snowball"));
-        ENTITY_CLASS_MAPPINGS.put(SpectralArrow.class, new Pair<>("minecraft", "spectral_arrow"));
-        ENTITY_CLASS_MAPPINGS.put(Spider.class, new Pair<>("minecraft", "spider"));
-        ENTITY_CLASS_MAPPINGS.put(Squid.class, new Pair<>("minecraft", "squid"));
-        ENTITY_CLASS_MAPPINGS.put(Stray.class, new Pair<>("minecraft", "stray"));
-        ENTITY_CLASS_MAPPINGS.put(Strider.class, new Pair<>("minecraft", "strider"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownEgg.class, new Pair<>("minecraft", "egg"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownEnderPearl.class, new Pair<>("minecraft", "ender_pearl"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownExperienceBottle.class, new Pair<>("minecraft", "experience_bottle"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownPotion.class, new Pair<>("minecraft", "potion"));
-        ENTITY_CLASS_MAPPINGS.put(ThrownTrident.class, new Pair<>("minecraft", "trident"));
-        ENTITY_CLASS_MAPPINGS.put(TraderLlama.class, new Pair<>("minecraft", "trader_llama"));
-        ENTITY_CLASS_MAPPINGS.put(TropicalFish.class, new Pair<>("minecraft", "tropical_fish"));
-        ENTITY_CLASS_MAPPINGS.put(Turtle.class, new Pair<>("minecraft", "turtle"));
-        ENTITY_CLASS_MAPPINGS.put(Vex.class, new Pair<>("minecraft", "vex"));
-        ENTITY_CLASS_MAPPINGS.put(Villager.class, new Pair<>("minecraft", "villager"));
-        ENTITY_CLASS_MAPPINGS.put(Vindicator.class, new Pair<>("minecraft", "vindicator"));
-        ENTITY_CLASS_MAPPINGS.put(WanderingTrader.class, new Pair<>("minecraft", "wandering_trader"));
-        ENTITY_CLASS_MAPPINGS.put(Witch.class, new Pair<>("minecraft", "witch"));
-        ENTITY_CLASS_MAPPINGS.put(WitherBoss.class, new Pair<>("minecraft", "wither"));
-        ENTITY_CLASS_MAPPINGS.put(WitherSkeleton.class, new Pair<>("minecraft", "wither_skeleton"));
-        ENTITY_CLASS_MAPPINGS.put(WitherSkull.class, new Pair<>("minecraft", "wither_skull"));
-        ENTITY_CLASS_MAPPINGS.put(Wolf.class, new Pair<>("minecraft", "wolf"));
-        ENTITY_CLASS_MAPPINGS.put(Zoglin.class, new Pair<>("minecraft", "zoglin"));
-        ENTITY_CLASS_MAPPINGS.put(Zombie.class, new Pair<>("minecraft", "zombie"));
-        ENTITY_CLASS_MAPPINGS.put(ZombieHorse.class, new Pair<>("minecraft", "zombie_horse"));
-        ENTITY_CLASS_MAPPINGS.put(ZombieVillager.class, new Pair<>("minecraft", "zombie_villager"));
-        ENTITY_CLASS_MAPPINGS.put(ZombifiedPiglin.class, new Pair<>("minecraft", "zombified_piglin"));
-        ENTITY_CLASS_MAPPINGS.put(PlayerEntity.class, new Pair<>("minecraft", "player"));
-        ENTITY_CLASS_MAPPINGS.put(FishingHook.class, new Pair<>("minecraft", "fishing_bobber"));
+        ENTITY_CLASS_MAPPINGS.put(AreaEffectCloud.class, new ModIdentifier("area_effect_cloud"));
+        ENTITY_CLASS_MAPPINGS.put(ArmorStand.class, new ModIdentifier("armor_stand"));
+        ENTITY_CLASS_MAPPINGS.put(Arrow.class, new ModIdentifier("arrow"));
+        ENTITY_CLASS_MAPPINGS.put(Bat.class, new ModIdentifier("bat"));
+        ENTITY_CLASS_MAPPINGS.put(Bee.class, new ModIdentifier("bee"));
+        ENTITY_CLASS_MAPPINGS.put(Blaze.class, new ModIdentifier("blaze"));
+        ENTITY_CLASS_MAPPINGS.put(Boat.class, new ModIdentifier("boat"));
+        ENTITY_CLASS_MAPPINGS.put(Cat.class, new ModIdentifier("cat"));
+        ENTITY_CLASS_MAPPINGS.put(CaveSpider.class, new ModIdentifier("cave_spider"));
+        ENTITY_CLASS_MAPPINGS.put(Chicken.class, new ModIdentifier("chicken"));
+        ENTITY_CLASS_MAPPINGS.put(Cod.class, new ModIdentifier("cod"));
+        ENTITY_CLASS_MAPPINGS.put(Cow.class, new ModIdentifier("cow"));
+        ENTITY_CLASS_MAPPINGS.put(Creeper.class, new ModIdentifier("creeper"));
+        ENTITY_CLASS_MAPPINGS.put(Dolphin.class, new ModIdentifier("dolphin"));
+        ENTITY_CLASS_MAPPINGS.put(Donkey.class, new ModIdentifier("donkey"));
+        ENTITY_CLASS_MAPPINGS.put(DragonFireball.class, new ModIdentifier("dragon_fireball"));
+        ENTITY_CLASS_MAPPINGS.put(Drowned.class, new ModIdentifier("drowned"));
+        ENTITY_CLASS_MAPPINGS.put(ElderGuardian.class, new ModIdentifier("elder_guardian"));
+        ENTITY_CLASS_MAPPINGS.put(EndCrystal.class, new ModIdentifier("end_crystal"));
+        ENTITY_CLASS_MAPPINGS.put(EnderDragon.class, new ModIdentifier("ender_dragon"));
+        ENTITY_CLASS_MAPPINGS.put(Enderman.class, new ModIdentifier("enderman"));
+        ENTITY_CLASS_MAPPINGS.put(Endermite.class, new ModIdentifier("endermite"));
+        ENTITY_CLASS_MAPPINGS.put(Evoker.class, new ModIdentifier("evoker"));
+        ENTITY_CLASS_MAPPINGS.put(EvokerFangs.class, new ModIdentifier("evoker_fangs"));
+        ENTITY_CLASS_MAPPINGS.put(ExperienceOrb.class, new ModIdentifier("experience_orb"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownEyeOfEnder.class, new ModIdentifier("eye_of_ender"));
+        ENTITY_CLASS_MAPPINGS.put(FallingBlock.class, new ModIdentifier("falling_block"));
+        ENTITY_CLASS_MAPPINGS.put(FireworkRocketEntity.class, new ModIdentifier("firework_rocket"));
+        ENTITY_CLASS_MAPPINGS.put(Fox.class, new ModIdentifier("fox"));
+        ENTITY_CLASS_MAPPINGS.put(Ghast.class, new ModIdentifier("ghast"));
+        ENTITY_CLASS_MAPPINGS.put(Giant.class, new ModIdentifier("giant"));
+        ENTITY_CLASS_MAPPINGS.put(Guardian.class, new ModIdentifier("guardian"));
+        ENTITY_CLASS_MAPPINGS.put(Hoglin.class, new ModIdentifier("hoglin"));
+        ENTITY_CLASS_MAPPINGS.put(Horse.class, new ModIdentifier("horse"));
+        ENTITY_CLASS_MAPPINGS.put(Husk.class, new ModIdentifier("husk"));
+        ENTITY_CLASS_MAPPINGS.put(Illusioner.class, new ModIdentifier("illusioner"));
+        ENTITY_CLASS_MAPPINGS.put(IronGolem.class, new ModIdentifier("iron_golem"));
+        ENTITY_CLASS_MAPPINGS.put(ItemEntity.class, new ModIdentifier("item"));
+        ENTITY_CLASS_MAPPINGS.put(ItemFrame.class, new ModIdentifier("item_frame"));
+        ENTITY_CLASS_MAPPINGS.put(LargeFireball.class, new ModIdentifier("fireball"));
+        ENTITY_CLASS_MAPPINGS.put(LeashFenceKnotEntity.class, new ModIdentifier("leash_knot"));
+        ENTITY_CLASS_MAPPINGS.put(LightningBolt.class, new ModIdentifier("lightning_bolt"));
+        ENTITY_CLASS_MAPPINGS.put(Llama.class, new ModIdentifier("llama"));
+        ENTITY_CLASS_MAPPINGS.put(LlamaSpit.class, new ModIdentifier("llama_spit"));
+        ENTITY_CLASS_MAPPINGS.put(MagmaCube.class, new ModIdentifier("magma_cube"));
+        ENTITY_CLASS_MAPPINGS.put(Minecart.class, new ModIdentifier("minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartChest.class, new ModIdentifier("chest_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartCommandBlock.class, new ModIdentifier("command_block_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartFurnace.class, new ModIdentifier("furnace_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartHopper.class, new ModIdentifier("hopper_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartSpawner.class, new ModIdentifier("spawner_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(MinecartTNT.class, new ModIdentifier("tnt_minecart"));
+        ENTITY_CLASS_MAPPINGS.put(Mule.class, new ModIdentifier("mule"));
+        ENTITY_CLASS_MAPPINGS.put(Mooshroom.class, new ModIdentifier("mooshroom"));
+        ENTITY_CLASS_MAPPINGS.put(Ocelot.class, new ModIdentifier("ocelot"));
+        ENTITY_CLASS_MAPPINGS.put(Painting.class, new ModIdentifier("painting"));
+        ENTITY_CLASS_MAPPINGS.put(Panda.class, new ModIdentifier("panda"));
+        ENTITY_CLASS_MAPPINGS.put(Parrot.class, new ModIdentifier("parrot"));
+        ENTITY_CLASS_MAPPINGS.put(Phantom.class, new ModIdentifier("phantom"));
+        ENTITY_CLASS_MAPPINGS.put(Pig.class, new ModIdentifier("pig"));
+        ENTITY_CLASS_MAPPINGS.put(Piglin.class, new ModIdentifier("piglin"));
+        ENTITY_CLASS_MAPPINGS.put(PiglinBrute.class, new ModIdentifier("piglin_brute"));
+        ENTITY_CLASS_MAPPINGS.put(Pillager.class, new ModIdentifier("pillager"));
+        ENTITY_CLASS_MAPPINGS.put(PolarBear.class, new ModIdentifier("polar_bear"));
+        ENTITY_CLASS_MAPPINGS.put(PrimedTNT.class, new ModIdentifier("tnt"));
+        ENTITY_CLASS_MAPPINGS.put(PufferFish.class, new ModIdentifier("pufferfish"));
+        ENTITY_CLASS_MAPPINGS.put(Rabbit.class, new ModIdentifier("rabbit"));
+        ENTITY_CLASS_MAPPINGS.put(Ravenger.class, new ModIdentifier("ravager"));
+        ENTITY_CLASS_MAPPINGS.put(Salmon.class, new ModIdentifier("salmon"));
+        ENTITY_CLASS_MAPPINGS.put(Sheep.class, new ModIdentifier("sheep"));
+        ENTITY_CLASS_MAPPINGS.put(Shulker.class, new ModIdentifier("shulker"));
+        ENTITY_CLASS_MAPPINGS.put(ShulkerBullet.class, new ModIdentifier("shulker_bullet"));
+        ENTITY_CLASS_MAPPINGS.put(Silverfish.class, new ModIdentifier("silverfish"));
+        ENTITY_CLASS_MAPPINGS.put(Skeleton.class, new ModIdentifier("skeleton"));
+        ENTITY_CLASS_MAPPINGS.put(SkeletonHorse.class, new ModIdentifier("skeleton_horse"));
+        ENTITY_CLASS_MAPPINGS.put(Slime.class, new ModIdentifier("slime"));
+        ENTITY_CLASS_MAPPINGS.put(SmallFireball.class, new ModIdentifier("small_fireball"));
+        ENTITY_CLASS_MAPPINGS.put(SnowGolem.class, new ModIdentifier("snow_golem"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownSnowball.class, new ModIdentifier("snowball"));
+        ENTITY_CLASS_MAPPINGS.put(SpectralArrow.class, new ModIdentifier("spectral_arrow"));
+        ENTITY_CLASS_MAPPINGS.put(Spider.class, new ModIdentifier("spider"));
+        ENTITY_CLASS_MAPPINGS.put(Squid.class, new ModIdentifier("squid"));
+        ENTITY_CLASS_MAPPINGS.put(Stray.class, new ModIdentifier("stray"));
+        ENTITY_CLASS_MAPPINGS.put(Strider.class, new ModIdentifier("strider"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownEgg.class, new ModIdentifier("egg"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownEnderPearl.class, new ModIdentifier("ender_pearl"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownExperienceBottle.class, new ModIdentifier("experience_bottle"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownPotion.class, new ModIdentifier("potion"));
+        ENTITY_CLASS_MAPPINGS.put(ThrownTrident.class, new ModIdentifier("trident"));
+        ENTITY_CLASS_MAPPINGS.put(TraderLlama.class, new ModIdentifier("trader_llama"));
+        ENTITY_CLASS_MAPPINGS.put(TropicalFish.class, new ModIdentifier("tropical_fish"));
+        ENTITY_CLASS_MAPPINGS.put(Turtle.class, new ModIdentifier("turtle"));
+        ENTITY_CLASS_MAPPINGS.put(Vex.class, new ModIdentifier("vex"));
+        ENTITY_CLASS_MAPPINGS.put(Villager.class, new ModIdentifier("villager"));
+        ENTITY_CLASS_MAPPINGS.put(Vindicator.class, new ModIdentifier("vindicator"));
+        ENTITY_CLASS_MAPPINGS.put(WanderingTrader.class, new ModIdentifier("wandering_trader"));
+        ENTITY_CLASS_MAPPINGS.put(Witch.class, new ModIdentifier("witch"));
+        ENTITY_CLASS_MAPPINGS.put(WitherBoss.class, new ModIdentifier("wither"));
+        ENTITY_CLASS_MAPPINGS.put(WitherSkeleton.class, new ModIdentifier("wither_skeleton"));
+        ENTITY_CLASS_MAPPINGS.put(WitherSkull.class, new ModIdentifier("wither_skull"));
+        ENTITY_CLASS_MAPPINGS.put(Wolf.class, new ModIdentifier("wolf"));
+        ENTITY_CLASS_MAPPINGS.put(Zoglin.class, new ModIdentifier("zoglin"));
+        ENTITY_CLASS_MAPPINGS.put(Zombie.class, new ModIdentifier("zombie"));
+        ENTITY_CLASS_MAPPINGS.put(ZombieHorse.class, new ModIdentifier("zombie_horse"));
+        ENTITY_CLASS_MAPPINGS.put(ZombieVillager.class, new ModIdentifier("zombie_villager"));
+        ENTITY_CLASS_MAPPINGS.put(ZombifiedPiglin.class, new ModIdentifier("zombified_piglin"));
+        ENTITY_CLASS_MAPPINGS.put(PlayerEntity.class, new ModIdentifier("player"));
+        ENTITY_CLASS_MAPPINGS.put(FishingHook.class, new ModIdentifier("fishing_bobber"));
     }
 
     public static Class<? extends Entity> getByIdentifier(String mod, String identifier) {
-        return ENTITY_CLASS_MAPPINGS.inverse().get(new Pair<>(mod, identifier));
+        return ENTITY_CLASS_MAPPINGS.inverse().get(new ModIdentifier(mod, identifier));
     }
 
 }

src/main/java/de/bixilon/minosoft/data/entities/EntityMetaDataFields.java

@@ -52,7 +52,7 @@ public enum EntityMetaDataFields {
     AREA_EFFECT_CLOUD_RADIUS(0.5f),
     AREA_EFFECT_CLOUD_COLOR(0),
     AREA_EFFECT_CLOUD_WAITING(false),
-    AREA_EFFECT_CLOUD_PARTICLE(new ParticleData(new Particle("minecraft", "effect"))),
+    AREA_EFFECT_CLOUD_PARTICLE(new ParticleData(new Particle("effect"))),
 
     ABSTRACT_ARROW_FLAGS((byte) 0),
     ABSTRACT_ARROW_PIERCE_LEVEL((byte) 0),

src/main/java/de/bixilon/minosoft/data/entities/entities/decoration/Painting.java

@@ -31,7 +31,7 @@ public class Painting extends Entity {
     public Painting(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);
         direction = Directions.NORTH;
-        motive = new Motive("minecraft", "kebab");
+        motive = new Motive("kebab");
     }
 
     public Painting(Connection connection, int entityId, UUID uuid, BlockPosition position, Directions direction, Motive motive) {

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/LargeFireball.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class LargeFireball extends Fireball {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "fire_charge"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("fire_charge"));
 
     public LargeFireball(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/SmallFireball.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class SmallFireball extends Fireball {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "fire_charge"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("fire_charge"));
 
     public SmallFireball(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/ThrownEgg.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class ThrownEgg extends ThrowableItemProjectile {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "egg"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("egg"));
 
     public ThrownEgg(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/ThrownEnderPearl.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class ThrownEnderPearl extends ThrowableItemProjectile {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "ender_pearl"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("ender_pearl"));
 
     public ThrownEnderPearl(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/ThrownExperienceBottle.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class ThrownExperienceBottle extends ThrowableItemProjectile {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "experience_bottle"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("experience_bottle"));
 
     public ThrownExperienceBottle(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/ThrownEyeOfEnder.java

@@ -25,7 +25,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class ThrownEyeOfEnder extends Entity {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "ender_eye"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("ender_eye"));
 
     public ThrownEyeOfEnder(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/entities/entities/projectile/ThrownSnowball.java

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.protocol.network.Connection;
 import java.util.UUID;
 
 public class ThrownSnowball extends ThrowableItemProjectile {
-    private static final Slot DEFAULT_ITEM = new Slot(new Item("minecraft", "snowball"));
+    private static final Slot DEFAULT_ITEM = new Slot(new Item("snowball"));
 
     public ThrownSnowball(Connection connection, int entityId, UUID uuid, Location location, EntityRotation rotation) {
         super(connection, entityId, uuid, location, rotation);

src/main/java/de/bixilon/minosoft/data/inventory/Slot.java

@@ -17,6 +17,7 @@ import de.bixilon.minosoft.data.mappings.Enchantment;
 import de.bixilon.minosoft.data.mappings.Item;
 import de.bixilon.minosoft.data.mappings.versions.VersionMapping;
 import de.bixilon.minosoft.data.text.ChatComponent;
+import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition;
 import de.bixilon.minosoft.util.BitByte;
 import de.bixilon.minosoft.util.nbt.tag.*;
 
@@ -261,7 +262,7 @@ public class Slot {
     }
 
     public String getSkullOwner() {
-        if (!item.getMod().equals("minecraft") || !item.getIdentifier().equals("skull")) {
+        if (!item.getMod().equals(ProtocolDefinition.DEFAULT_MOD) || !item.getIdentifier().equals("skull")) {
             throw new IllegalArgumentException("Item is not a skull!");
         }
         return skullOwner;

src/main/java/de/bixilon/minosoft/data/mappings/ModIdentifier.java

@@ -13,8 +13,9 @@
 
 package de.bixilon.minosoft.data.mappings;
 
+import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition;
+
 public class ModIdentifier {
-    public static final String DEFAULT_MOD = "minecraft";
     protected final String mod;
     protected final String identifier;
 
@@ -26,7 +27,7 @@ public class ModIdentifier {
     public ModIdentifier(String fullIdentifier) {
         String[] split = fullIdentifier.split(":");
         if (split.length == 1) {
-            this.mod = DEFAULT_MOD;
+            this.mod = ProtocolDefinition.DEFAULT_MOD;
             this.identifier = fullIdentifier;
             return;
         }

src/main/java/de/bixilon/minosoft/data/mappings/blocks/Block.java

@@ -45,6 +45,12 @@ public class Block extends ModIdentifier {
         this.rotation = BlockRotations.NONE;
     }
 
+    public Block(String fullIdentifier) {
+        super(fullIdentifier);
+        this.properties = new HashSet<>();
+        this.rotation = BlockRotations.NONE;
+    }
+
     public BlockRotations getRotation() {
         return rotation;
     }
@@ -87,13 +93,15 @@ public class Block extends ModIdentifier {
 
     @Override
     public boolean equals(Object obj) {
-        if (super.equals(obj)) {
+        if (this == obj) {
             return true;
         }
         if (hashCode() != obj.hashCode()) {
             return false;
         }
-        Block their = (Block) obj;
+        if (!(obj instanceof Block their)) {
+            return false;
+        }
         return getIdentifier().equals(their.getIdentifier()) && getRotation() == their.getRotation() && getProperties().equals(their.getProperties()) && getMod().equals(their.getMod());
     }
 }

src/main/java/de/bixilon/minosoft/data/mappings/blocks/Blocks.java

@@ -20,7 +20,7 @@ import com.google.gson.JsonObject;
 import java.util.HashSet;
 
 public class Blocks {
-    public static final Block nullBlock = new Block("minecraft", "air");
+    public static final Block nullBlock = new Block("air");
 
     public static HashBiMap<Integer, Block> load(String mod, JsonObject json, boolean metaData) {
         HashBiMap<Integer, Block> versionMapping = HashBiMap.create();

src/main/java/de/bixilon/minosoft/data/mappings/recipes/Ingredient.java

@@ -15,18 +15,7 @@ package de.bixilon.minosoft.data.mappings.recipes;
 
 import de.bixilon.minosoft.data.inventory.Slot;
 
-import java.util.Arrays;
-import java.util.HashSet;
-
 public record Ingredient(Slot[] slot) {
-    public static boolean slotEquals(Slot[] one, Slot[] two) {
-        if (one.length != two.length) {
-            return false;
-        }
-        HashSet<Slot> first = new HashSet<>(Arrays.asList(one));
-        HashSet<Slot> second = new HashSet<>(Arrays.asList(two));
-        return first.equals(second);
-    }
 
     public Slot[] getSlot() {
         return slot;

src/main/java/de/bixilon/minosoft/data/mappings/versions/Versions.java

@@ -136,7 +136,7 @@ public class Versions {
                 data = files.get(mapping.getFilename() + ".json");
             }
             if (data == null) {
-                loadVersionMappings(mapping, "minecraft", data, version);
+                loadVersionMappings(mapping, ProtocolDefinition.DEFAULT_MOD, data, version);
                 continue;
             }
             for (String mod : data.keySet()) {

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.java

@@ -22,6 +22,7 @@ import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer;
 import de.bixilon.minosoft.protocol.protocol.PacketHandler;
+import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition;
 import de.bixilon.minosoft.util.BitByte;
 import de.bixilon.minosoft.util.nbt.tag.CompoundTag;
 import de.bixilon.minosoft.util.nbt.tag.ListTag;
@@ -98,9 +99,9 @@ public class PacketJoinGame implements ClientboundPacket {
             } else {
                 CompoundTag tag = (CompoundTag) buffer.readNBT();
                 if (tag.getByteTag("has_skylight").getValue() == 0x01) { //ToDo: this is just for not messing up the skylight
-                    dimension = dimensions.get("minecraft").get("overworld");
+                    dimension = dimensions.get(ProtocolDefinition.DEFAULT_MOD).get("overworld");
                 } else {
-                    dimension = dimensions.get("minecraft").get("the_nether");
+                    dimension = dimensions.get(ProtocolDefinition.DEFAULT_MOD).get("the_nether");
                 }
             }
         }

src/main/java/de/bixilon/minosoft/protocol/protocol/ProtocolDefinition.java

@@ -35,6 +35,8 @@ public final class ProtocolDefinition {
     public static final InetAddress LAN_SERVER_BROADCAST_ADDRESS;
     public static final int LAN_SERVER_MAXIMUM_SERVERS = 100; // maximum number of lan servers, set because otherwise dos attacks would be easy
 
+    public static final String DEFAULT_MOD = "minecraft";
+
     static {
         try {
             LAN_SERVER_BROADCAST_ADDRESS = InetAddress.getByName("224.0.2.60");