Purpur/patches/server/0062-Add-credits-command.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Encode42 <me@encode42.dev>
Date: Fri, 30 Apr 2021 14:03:06 -0400
Subject: [PATCH] Add credits command


diff --git a/net/minecraft/commands/Commands.java b/net/minecraft/commands/Commands.java
index e0b5a1d017cbafdde2c38745a045452c76614b66..719fbce359f8c2c52ee4e9da3dfe9566f58c0346 100644
--- a/net/minecraft/commands/Commands.java
+++ b/net/minecraft/commands/Commands.java
@@ -255,6 +255,7 @@ public class Commands {
             StopCommand.register(this.dispatcher);
             TransferCommand.register(this.dispatcher);
             WhitelistCommand.register(this.dispatcher);
+            org.purpurmc.purpur.command.CreditsCommand.register(this.dispatcher); // Purpur
             org.purpurmc.purpur.command.DemoCommand.register(this.dispatcher); // Purpur
             org.purpurmc.purpur.command.PingCommand.register(this.dispatcher); // Purpur
         }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index 790dbbc02a89eeb715cdda339da01379ca704afa..df61db286f8b098a16c59a64714554d6d4c60655 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -182,6 +182,7 @@ public class PurpurConfig {
     public static boolean afkBroadcastUseDisplayName = false;
     public static String afkTabListPrefix = "[AFK] ";
     public static String afkTabListSuffix = "";
+    public static String creditsCommandOutput = "<green>%s has been shown the end credits";
     public static String demoCommandOutput = "<green>%s has been shown the demo screen";
     public static String pingCommandOutput = "<green>%s's ping is %sms";
     private static void messages() {
@@ -191,6 +192,7 @@ public class PurpurConfig {
         afkBroadcastUseDisplayName = getBoolean("settings.messages.afk-broadcast-use-display-name", afkBroadcastUseDisplayName);
         afkTabListPrefix = MiniMessage.miniMessage().serialize(MiniMessage.miniMessage().deserialize(getString("settings.messages.afk-tab-list-prefix", afkTabListPrefix)));
         afkTabListSuffix = MiniMessage.miniMessage().serialize(MiniMessage.miniMessage().deserialize(getString("settings.messages.afk-tab-list-suffix", afkTabListSuffix)));
+        creditsCommandOutput = getString("settings.messages.credits-command-output", creditsCommandOutput);
         demoCommandOutput = getString("settings.messages.demo-command-output", demoCommandOutput);
         pingCommandOutput = getString("settings.messages.ping-command-output", pingCommandOutput);
     }
diff --git a/src/main/java/org/purpurmc/purpur/command/CreditsCommand.java b/src/main/java/org/purpurmc/purpur/command/CreditsCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..40d2fab4a9728ac90c36e30c130f3116b7025d11
--- /dev/null
+++ b/src/main/java/org/purpurmc/purpur/command/CreditsCommand.java
@@ -0,0 +1,35 @@
+package org.purpurmc.purpur.command;
+
+import com.mojang.brigadier.CommandDispatcher;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.commands.arguments.EntityArgument;
+import net.minecraft.network.protocol.game.ClientboundGameEventPacket;
+import net.minecraft.server.level.ServerPlayer;
+import org.purpurmc.purpur.PurpurConfig;
+
+import java.util.Collection;
+import java.util.Collections;
+
+public class CreditsCommand {
+    public static void register(CommandDispatcher<CommandSourceStack> dispatcher) {
+        dispatcher.register(Commands.literal("credits")
+                .requires((listener) -> listener.hasPermission(2, "bukkit.command.credits"))
+                .executes((context) -> execute(context.getSource(), Collections.singleton(context.getSource().getPlayerOrException())))
+                .then(Commands.argument("targets", EntityArgument.players())
+                        .requires(listener -> listener.hasPermission(2, "bukkit.command.credits.other"))
+                        .executes((context) -> execute(context.getSource(), EntityArgument.getPlayers(context, "targets")))
+                )
+        );
+    }
+
+    private static int execute(CommandSourceStack sender, Collection<ServerPlayer> targets) {
+        for (ServerPlayer player : targets) {
+            ClientboundGameEventPacket packet = new ClientboundGameEventPacket(ClientboundGameEventPacket.WIN_GAME, 1F);
+            player.connection.send(packet);
+            String output = String.format(PurpurConfig.creditsCommandOutput, player.getGameProfile().getName());
+            sender.sendSuccess(output, false);
+        }
+        return targets.size();
+    }
+}