Add support for "/chase", a disabled Minecraft command. (#1690)

Co-authored-by: granny <granny@purpurmc.org>

Author: Mickey42302

purpur-server/minecraft-patches/sources/net/minecraft/commands/Commands.java.patch

@@ -9,6 +9,19 @@
              RaidCommand.register(this.dispatcher, context);
              DebugPathCommand.register(this.dispatcher);
              DebugMobSpawningCommand.register(this.dispatcher);
+@@ -264,6 +_,12 @@
+             }
+         }
+ 
++        // Purpur start - register disabled minecraft commands
++        if (org.purpurmc.purpur.PurpurConfig.registerMinecraftDisabledCommands) {
++            net.minecraft.server.commands.ChaseCommand.register(this.dispatcher);
++        }
++        // Purpur end - register disabled minecraft commands
++
+         if (selection.includeDedicated) {
+             BanIpCommands.register(this.dispatcher);
+             BanListCommands.register(this.dispatcher);
 @@ -280,6 +_,14 @@
              StopCommand.register(this.dispatcher);
              TransferCommand.register(this.dispatcher);

purpur-server/minecraft-patches/sources/net/minecraft/server/Main.java.patch

@@ -1,13 +1,14 @@
 --- a/net/minecraft/server/Main.java
 +++ b/net/minecraft/server/Main.java
-@@ -109,6 +_,12 @@
+@@ -109,6 +_,13 @@
                  JvmProfiler.INSTANCE.start(Environment.SERVER);
              }
 
 +            // Purpur start - Add toggle for enchant level clamping - load config files early
 +            org.bukkit.configuration.file.YamlConfiguration purpurConfiguration = io.papermc.paper.configuration.PaperConfigurations.loadLegacyConfigFile((File) optionSet.valueOf("purpur-settings"));
 +            org.purpurmc.purpur.PurpurConfig.clampEnchantLevels = purpurConfiguration.getBoolean("settings.enchantment.clamp-levels", true);
 +            org.purpurmc.purpur.PurpurConfig.registerMinecraftDebugCommands = purpurConfiguration.getBoolean("settings.register-minecraft-debug-commands"); // Purpur - register minecraft debug commands
++            org.purpurmc.purpur.PurpurConfig.registerMinecraftDisabledCommands = purpurConfiguration.getBoolean("settings.register-minecraft-disabled-commands"); // Purpur - register disabled minecraft commands
 +            // Purpur end - Add toggle for enchant level clamping - load config files early
 +
              io.papermc.paper.plugin.PluginInitializerManager.load(optionSet); // Paper

purpur-server/src/main/java/org/purpurmc/purpur/PurpurConfig.java

@@ -599,6 +599,11 @@ private static void registerMinecraftDebugCommands() {
         registerMinecraftDebugCommands = getBoolean("settings.register-minecraft-debug-commands", registerMinecraftDebugCommands);
     }
 
+    public static boolean registerMinecraftDisabledCommands = false;
+    private static void registerMinecraftDisabledCommands() {
+        registerMinecraftDisabledCommands = getBoolean("settings.register-minecraft-disabled-commands", registerMinecraftDebugCommands);
+    }
+
     public static List<String> startupCommands = new ArrayList<>();
     private static void startupCommands() {
         startupCommands.clear();