Add the cplugins command (#588)

* Add the cplugins command

* Text#of -> Text#literal

src/main/java/net/earthcomputer/clientcommands/ClientCommands.java

@@ -159,6 +159,7 @@ public static void registerCommands(CommandDispatcher<FabricClientCommandSource>
         PosCommand.register(dispatcher);
         CrackRNGCommand.register(dispatcher);
         WeatherCommand.register(dispatcher);
+        PluginsCommand.register(dispatcher);
 
         Calendar calendar = Calendar.getInstance();
         boolean registerChatCommand = calendar.get(Calendar.MONTH) == Calendar.APRIL && calendar.get(Calendar.DAY_OF_MONTH) == 1;

src/main/java/net/earthcomputer/clientcommands/command/PluginsCommand.java

@@ -0,0 +1,79 @@
+package net.earthcomputer.clientcommands.command;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.suggestion.Suggestion;
+import com.mojang.brigadier.tree.CommandNode;
+import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource;
+import net.minecraft.network.packet.c2s.play.RequestCommandCompletionsC2SPacket;
+import net.minecraft.network.packet.s2c.play.CommandSuggestionsS2CPacket;
+import net.minecraft.text.Text;
+
+import java.util.stream.Collectors;
+
+import static com.mojang.brigadier.arguments.StringArgumentType.*;
+import static net.fabricmc.fabric.api.client.command.v2.ClientCommandManager.*;
+
+public class PluginsCommand {
+
+    private static boolean awaitingSuggestionsPacket = false;
+
+    private static SuggestionsCallback callback;
+
+    public static void register(CommandDispatcher<FabricClientCommandSource> dispatcher) {
+        dispatcher.register(literal("cplugins")
+            .executes(ctx -> getPlugins(ctx.getSource()))
+            .then(literal("partial")
+                .then(argument("partial", greedyString())
+                    .executes(ctx -> getPlugins(ctx.getSource(), getString(ctx, "partial")))))
+            .then(literal("dispatcher")
+                .executes(ctx -> getPluginsFromDispatcher(ctx.getSource()))));
+    }
+
+    private static int getPlugins(FabricClientCommandSource source) {
+        return getPlugins(source, "");
+    }
+
+    private static int getPlugins(FabricClientCommandSource source, String partial) {
+        awaitingSuggestionsPacket = true;
+        source.getClient().getNetworkHandler().sendPacket(new RequestCommandCompletionsC2SPacket(1, partial));
+        callback = packet -> {
+            String plugins = packet.getSuggestions().getList().stream()
+                .map(Suggestion::getText)
+                .filter(text -> text.contains(":"))
+                .map(text -> text.substring(0, text.indexOf(":")))
+                .distinct()
+                .collect(Collectors.joining(", "));
+
+            source.sendFeedback(Text.translatable("commands.cplugins.found"));
+            source.sendFeedback(Text.literal(plugins));
+        };
+        return Command.SINGLE_SUCCESS;
+    }
+
+    private static int getPluginsFromDispatcher(FabricClientCommandSource source) {
+        String plugins = source.getClient().getNetworkHandler().getCommandDispatcher().getRoot().getChildren().stream()
+            .map(CommandNode::getName)
+            .filter(name -> name.contains(":"))
+            .map(name -> name.substring(0, name.indexOf(":")))
+            .distinct()
+            .collect(Collectors.joining(", "));
+
+        source.sendFeedback(Text.translatable("commands.cplugins.found"));
+        source.sendFeedback(Text.literal(plugins));
+        return Command.SINGLE_SUCCESS;
+    }
+
+    public static void onCommandSuggestions(CommandSuggestionsS2CPacket packet) {
+        if (!awaitingSuggestionsPacket) {
+            return;
+        }
+        awaitingSuggestionsPacket = false;
+        callback.apply(packet);
+    }
+}
+
+@FunctionalInterface
+interface SuggestionsCallback {
+    void apply(CommandSuggestionsS2CPacket packet);
+}

src/main/java/net/earthcomputer/clientcommands/mixin/MixinClientPlayNetworkHandler.java

@@ -4,6 +4,7 @@
 import net.cortex.clientAddon.cracker.SeedCracker;
 import net.earthcomputer.clientcommands.ClientcommandsDataQueryHandler;
 import net.earthcomputer.clientcommands.Configs;
+import net.earthcomputer.clientcommands.command.PluginsCommand;
 import net.earthcomputer.clientcommands.features.FishingCracker;
 import net.earthcomputer.clientcommands.features.PlayerRandCracker;
 import net.minecraft.client.MinecraftClient;
@@ -13,6 +14,7 @@
 import net.minecraft.client.network.ClientPlayerEntity;
 import net.minecraft.entity.EntityType;
 import net.minecraft.network.ClientConnection;
+import net.minecraft.network.packet.s2c.play.CommandSuggestionsS2CPacket;
 import net.minecraft.network.packet.s2c.play.EntitySpawnS2CPacket;
 import net.minecraft.network.packet.s2c.play.ExperienceOrbSpawnS2CPacket;
 import net.minecraft.network.packet.s2c.play.NbtQueryResponseS2CPacket;
@@ -98,4 +100,9 @@ private void onOnNbtQueryResponse(NbtQueryResponseS2CPacket packet, CallbackInfo
     public ClientcommandsDataQueryHandler clientcommands_getCCDataQueryHandler() {
         return ccDataQueryHandler;
     }
+
+    @Inject(method = "onCommandSuggestions", at = @At("TAIL"))
+    private void onCommandSuggestions(CommandSuggestionsS2CPacket packet, CallbackInfo ci) {
+        PluginsCommand.onCommandSuggestions(packet);
+    }
 }

src/main/resources/assets/clientcommands/lang/en_us.json

@@ -147,6 +147,8 @@
 
   "commands.cplaysound.success": "Played sound %s to self",
 
+  "commands.cplugins.found": "Found the following plugins:",
+
   "commands.cping.success": "Your average ping is %dms",
   "commands.cping.success.other": "The average ping of %s is %dms",
   "commands.cping.singleplayer": "You are in a singleplayer world (╯°□°）╯︵ ┻━┻",