4.0.1 Release

api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java

@@ -77,7 +77,7 @@ public class ProtocolVersion {
     public static final ProtocolVersion v1_16_3 = register(753, "1.16.3");
     public static final ProtocolVersion v1_16_4 = register(754, "1.16.4/5", new VersionRange("1.16", 4, 5));
     public static final ProtocolVersion v1_17 = register(755, "1.17");
-    public static final ProtocolVersion v1_17_1 = register(756, 40, "1.17.1");
+    public static final ProtocolVersion v1_17_1 = register(756, "1.17.1");
     public static final ProtocolVersion unknown = register(-1, "UNKNOWN");
 
     public static ProtocolVersion register(int version, String name) {

gradle.properties

@@ -1,5 +1,5 @@
 # Project properties - we put these here so they can be modified without causing a recompile of the build scripts
-projectVersion=4.0.1-1.17.1-rc2-SNAPSHOT
+projectVersion=4.0.1
 
 # Gradle properties
 org.gradle.daemon=true

velocity/src/main/java/com/viaversion/viaversion/VelocityPlugin.java

@@ -82,6 +82,18 @@ public class VelocityPlugin implements ViaPlatform<Player> {
 
     @Subscribe
     public void onProxyInit(ProxyInitializeEvent e) {
+        if (!hasConnectionEvent()) {
+            // No way to disable the plugin :(
+            Logger logger = this.loggerslf4j;
+            logger.error("      / \\");
+            logger.error("     /   \\");
+            logger.error("    /  |  \\");
+            logger.error("   /   |   \\        VELOCITY 3.0.0 IS REQUIRED");
+            logger.error("  /         \\   VIAVERSION WILL NOT WORK AS INTENDED");
+            logger.error(" /     o     \\");
+            logger.error("/_____________\\");
+        }
+
         PROXY = proxy;
         VelocityCommandHandler commandHandler = new VelocityCommandHandler();
         PROXY.getCommandManager().register("viaver", commandHandler, "vvvelocity", "viaversion");
@@ -231,4 +243,13 @@ public class VelocityPlugin implements ViaPlatform<Player> {
     public java.util.logging.Logger getLogger() {
         return logger;
     }
+
+    private boolean hasConnectionEvent() {
+        try {
+            Class.forName("com.velocitypowered.proxy.protocol.VelocityConnectionEvent");
+            return true;
+        } catch (ClassNotFoundException ignored) {
+            return false;
+        }
+    }
 }

velocity/src/main/java/com/viaversion/viaversion/velocity/platform/VelocityViaInjector.java

@@ -57,13 +57,14 @@ public class VelocityViaInjector implements ViaInjector {
 
     @Override
     public void inject() throws Exception {
+        Via.getPlatform().getLogger().info("Replacing channel initializers; you can safely ignore the following two warnings.");
+
         Object connectionManager = ReflectionUtil.get(VelocityPlugin.PROXY, "cm", Object.class);
         Object channelInitializerHolder = ReflectionUtil.invoke(connectionManager, "getServerChannelInitializer");
         ChannelInitializer originalInitializer = getInitializer();
         channelInitializerHolder.getClass().getMethod("set", ChannelInitializer.class)
                 .invoke(channelInitializerHolder, new VelocityChannelInitializer(originalInitializer, false));
 
-
         Object backendInitializerHolder = ReflectionUtil.invoke(connectionManager, "getBackendChannelInitializer");
         ChannelInitializer backendInitializer = getBackendInitializer();
         backendInitializerHolder.getClass().getMethod("set", ChannelInitializer.class)
@@ -75,7 +76,6 @@ public class VelocityViaInjector implements ViaInjector {
         Via.getPlatform().getLogger().severe("ViaVersion cannot remove itself from Velocity without a reboot!");
     }
 
-
     @Override
     public int getServerProtocolVersion() throws Exception {
         return getLowestSupportedProtocolVersion();