Support Paper's lack of CraftBukkit relocation

GeyserMC · Apr 28, 2024 · 0fa00a8 · 0fa00a8
1 parent 58d71cb
commit 0fa00a8
Showing 1 changed file with 17 additions and 4 deletions.
diff --git a/spigot/src/main/java/org/geysermc/floodgate/util/ClassNames.java b/spigot/src/main/java/org/geysermc/floodgate/util/ClassNames.java
@@ -94,13 +94,26 @@ public class ClassNames {
 
  static {
  // ahhhhhhh, this class should really be reworked at this point
- String version = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+
+ String[] versionSplit = Bukkit.getServer().getClass().getPackage().getName().split("\\.");
+ // Paper, since 1.20.5, no longer relocates CraftBukkit classes
+ // and NMS classes aren't relocated for a few versions now (both Spigot & Paper)
+ if (versionSplit.length <= 3 && getClassSilently("net.minecraft.server.MinecraftServer") == null) {
+ throw new IllegalStateException(
+ "Was unable to find net.minecraft.server.MinecraftServer. " +
+ "We don't support Mojmap yet"
+ );
+ }
+ // Makes it that we don't have to lookup both the new and the old
+ // 'org.bukkit.craftbukkit. + version + CraftPlayer' will be .CraftPlayer on new
+ // versions and .v1_8R3.CraftPlayer on older versions
+ String version = versionSplit.length > 3 ? versionSplit[3] + '.' : "";
  SPIGOT_MAPPING_PREFIX = "net.minecraft.server." + version;
 
 
  // SpigotSkinApplier
  Class<?> craftPlayerClass = ReflectionUtils.getClass(
- "org.bukkit.craftbukkit." + version + ".entity.CraftPlayer");
+ "org.bukkit.craftbukkit." + version + "entity.CraftPlayer");
  GET_PROFILE_METHOD = getMethod(craftPlayerClass, "getProfile");
  checkNotNull(GET_PROFILE_METHOD, "Get profile method");
 
@@ -120,9 +133,9 @@ public class ClassNames {
 
  // WhitelistUtils
  Class<?> craftServerClass = ReflectionUtils.getClass(
- "org.bukkit.craftbukkit." + version + ".CraftServer");
+ "org.bukkit.craftbukkit." + version + "CraftServer");
  Class<OfflinePlayer> craftOfflinePlayerClass = ReflectionUtils.getCastedClass(
- "org.bukkit.craftbukkit." + version + ".CraftOfflinePlayer");
+ "org.bukkit.craftbukkit." + version + "CraftOfflinePlayer");
 
  CRAFT_OFFLINE_PLAYER_CONSTRUCTOR = ReflectionUtils.getConstructor(
  craftOfflinePlayerClass, true, craftServerClass, GameProfile.class);