Fix compile errors

api/build.gradle

@@ -31,7 +31,7 @@ dependencies {
     api "net.kyori:adventure-text-serializer-gson:${adventureVersion}"
     api "net.kyori:adventure-text-serializer-legacy:${adventureVersion}"
     api "net.kyori:adventure-text-serializer-plain:${adventureVersion}"
-    api "net.kyori:adventure-text-serializer-legacy-text3:${adventureVersion}"
+    api "net.kyori:adventure-text-serializer-legacy-text3:${adventurePlatformVersion}"
 
     api "org.slf4j:slf4j-api:${slf4jVersion}"
     api 'com.google.inject:guice:4.2.3'

build.gradle

@@ -21,7 +21,8 @@ allprojects {
     ext {
         // dependency versions
         textVersion = '3.0.4'
-        adventureVersion = '4.0.0-SNAPSHOT'
+        adventureVersion = '4.0.0'
+        adventurePlatformVersion = '4.0.0-SNAPSHOT'
         junitVersion = '5.7.0'
         slf4jVersion = '1.7.30'
         log4jVersion = '2.13.3'

proxy/src/main/java/com/velocitypowered/proxy/command/builtin/GlistCommand.java

@@ -104,7 +104,7 @@ public class GlistCommand {
     }
 
     TextComponent.Builder builder = Component.text()
-        .append(TextComponent.of("[" + server.getServerInfo().getName() + "] ",
+        .append(Component.text("[" + server.getServerInfo().getName() + "] ",
             NamedTextColor.DARK_AQUA))
         .append(Component.text("(" + onServer.size() + ")", NamedTextColor.GRAY))
         .append(Component.text(": "))
@@ -112,7 +112,7 @@ public class GlistCommand {
 
     for (int i = 0; i < onServer.size(); i++) {
       Player player = onServer.get(i);
-      builder.append(player.getUsername());
+      builder.append(Component.text(player.getUsername()));
 
       if (i + 1 < onServer.size()) {
         builder.append(Component.text(", "));

proxy/src/main/java/com/velocitypowered/proxy/command/builtin/VelocityCommand.java

@@ -187,8 +187,8 @@ public class VelocityCommand implements SimpleCommand {
           .color(NamedTextColor.DARK_AQUA)
           .append(Component.text(version.getVersion()).decoration(TextDecoration.BOLD, false))
           .build();
-      TextComponent copyright = TextComponent
-          .of("Copyright 2018-2020 " + version.getVendor() + ". " + version.getName()
+      TextComponent copyright = Component
+          .text("Copyright 2018-2020 " + version.getVendor() + ". " + version.getName()
               + " is freely licensed under the terms of the MIT License.");
       source.sendMessage(Identity.nil(), velocity);
       source.sendMessage(Identity.nil(), copyright);

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -630,7 +630,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
                           getProtocolVersion()), ((Impl) status).isSafe());
                       break;
                     case SUCCESS:
-                      sendMessage(server.getConfiguration().getMessages()
+                      sendMessage(Identity.nil(), server.getConfiguration().getMessages()
                           .getMovedToNewServerPrefix().append(friendlyReason));
                       break;
                     default:
@@ -641,7 +641,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
           } else if (event.getResult() instanceof Notify) {
             Notify res = (Notify) event.getResult();
             if (event.kickedDuringServerConnect() && previouslyConnected) {
-              sendMessage(res.getMessageComponent());
+              sendMessage(Identity.nil(), res.getMessageComponent());
             } else {
               disconnect(res.getMessageComponent());
             }
@@ -981,10 +981,10 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
 
             switch (status.getStatus()) {
               case ALREADY_CONNECTED:
-                sendMessage(ConnectionMessages.ALREADY_CONNECTED);
+                sendMessage(Identity.nil(), ConnectionMessages.ALREADY_CONNECTED);
                 break;
               case CONNECTION_IN_PROGRESS:
-                sendMessage(ConnectionMessages.IN_PROGRESS);
+                sendMessage(Identity.nil(), ConnectionMessages.IN_PROGRESS);
                 break;
               case CONNECTION_CANCELLED:
                 // Ignored; the plugin probably already handled this.