Leaf/leaf-server/minecraft-patches/features/0145-Configurable-unknown-command-message.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Wed, 7 Aug 2024 18:54:01 +0800
Subject: [PATCH] Configurable unknown command message


diff --git a/net/minecraft/commands/Commands.java b/net/minecraft/commands/Commands.java
index a1f1e03a8ff5eb49ecfad5dda0dbd4bc35cd53df..cc1c2152c6949d1130b55de31ef22f15f717c7a5 100644
--- a/net/minecraft/commands/Commands.java
+++ b/net/minecraft/commands/Commands.java
@@ -403,31 +403,8 @@ public class Commands {
             // Paper start - Add UnknownCommandEvent
             final net.kyori.adventure.text.TextComponent.Builder builder = net.kyori.adventure.text.Component.text();
             // source.sendFailure(ComponentUtils.fromMessage(var7.getRawMessage()));
-            builder.color(net.kyori.adventure.text.format.NamedTextColor.RED).append(io.papermc.paper.command.brigadier.MessageComponentSerializer.message().deserialize(var7.getRawMessage()));
             // Paper end - Add UnknownCommandEvent
-            if (var7.getInput() != null && var7.getCursor() >= 0) {
-                int min = Math.min(var7.getInput().length(), var7.getCursor());
-                MutableComponent mutableComponent = Component.empty()
-                    .withStyle(ChatFormatting.GRAY)
-                    .withStyle(style -> style.withClickEvent(new ClickEvent.SuggestCommand("/" + command)));
-                if (min > 10) {
-                    mutableComponent.append(CommonComponents.ELLIPSIS);
-                }
-
-                mutableComponent.append(var7.getInput().substring(Math.max(0, min - 10), min));
-                if (min < var7.getInput().length()) {
-                    Component component = Component.literal(var7.getInput().substring(min)).withStyle(ChatFormatting.RED, ChatFormatting.UNDERLINE);
-                    mutableComponent.append(component);
-                }
-
-                mutableComponent.append(Component.translatable("command.context.here").withStyle(ChatFormatting.RED, ChatFormatting.ITALIC));
-                // Paper start - Add UnknownCommandEvent
-                // source.sendFailure(mutableComponent);
-                builder
-                    .append(net.kyori.adventure.text.Component.newline())
-                    .append(io.papermc.paper.adventure.PaperAdventure.asAdventure(mutableComponent));
-            }
-            org.bukkit.event.command.UnknownCommandEvent event = new org.bukkit.event.command.UnknownCommandEvent(source.getBukkitSender(), command, org.spigotmc.SpigotConfig.unknownCommandMessage.isEmpty() ? null : builder.build());
+            org.bukkit.event.command.UnknownCommandEvent event = new org.bukkit.event.command.UnknownCommandEvent(source.getBukkitSender(), command, getUnknownCommandMessage(builder, var7, command)); // Leaf - Configurable unknown command message
             org.bukkit.Bukkit.getServer().getPluginManager().callEvent(event);
             if (event.message() != null) {
                 source.sendFailure(io.papermc.paper.adventure.PaperAdventure.asVanilla(event.message()), false);
@@ -661,6 +638,92 @@ public class Commands {
         };
     }
 
+    // Leaf start - Configurable unknown command message
+    private static net.kyori.adventure.text.Component getUnknownCommandMessage(
+        net.kyori.adventure.text.TextComponent.Builder builder, CommandSyntaxException commandSyntaxException, String command
+    ) {
+        String rawMessage = org.dreeam.leaf.config.modules.misc.UnknownCommandMessage.unknownCommandMessage;
+
+        if ("default".equals(rawMessage)) {
+            return getVanillaUnknownCommandMessage(builder, commandSyntaxException, command);
+        }
+
+        net.kyori.adventure.text.Component messageComponent = null;
+        net.kyori.adventure.text.Component detailComponent = null;
+
+        if (rawMessage.contains("<message>")) {
+            messageComponent = io.papermc.paper.command.brigadier.MessageComponentSerializer.message().deserialize(commandSyntaxException.getRawMessage());
+        }
+
+        final String input = commandSyntaxException.getInput();
+        final int cursor = commandSyntaxException.getCursor();
+
+        if (rawMessage.contains("<detail>") && input != null && cursor >= 0) {
+            final int min = Math.min(input.length(), cursor);
+            final net.kyori.adventure.text.TextComponent.Builder detail = net.kyori.adventure.text.Component.text();
+            final net.kyori.adventure.text.Component context = net.kyori.adventure.text.Component.translatable("command.context.here")
+                .color(net.kyori.adventure.text.format.NamedTextColor.RED)
+                .decorate(net.kyori.adventure.text.format.TextDecoration.ITALIC);
+            final net.kyori.adventure.text.event.ClickEvent event = net.kyori.adventure.text.event.ClickEvent.suggestCommand("/" + command);
+
+            detail.color(net.kyori.adventure.text.format.NamedTextColor.GRAY);
+
+            if (min > 10) {
+                detail.append(net.kyori.adventure.text.Component.text("..."));
+            }
+
+            detail.append(net.kyori.adventure.text.Component.text(input.substring(Math.max(0, min - 10), min)));
+            if (min < input.length()) {
+                net.kyori.adventure.text.Component commandInput = net.kyori.adventure.text.Component.text(input.substring(min))
+                    .color(net.kyori.adventure.text.format.NamedTextColor.RED)
+                    .decorate(net.kyori.adventure.text.format.TextDecoration.UNDERLINED);
+
+                detail.append(commandInput);
+            }
+
+            detail.append(context);
+            detail.clickEvent(event);
+
+            detailComponent = detail.build();
+        }
+
+        return builder.append(net.kyori.adventure.text.minimessage.MiniMessage.miniMessage().deserialize(rawMessage)).build()
+            .replaceText(net.kyori.adventure.text.TextReplacementConfig.builder().matchLiteral("<message>").replacement(messageComponent).build())
+            .replaceText(net.kyori.adventure.text.TextReplacementConfig.builder().matchLiteral("<detail>").replacement(detailComponent).build());
+    }
+
+    private static net.kyori.adventure.text.Component getVanillaUnknownCommandMessage(
+        net.kyori.adventure.text.TextComponent.Builder builder, CommandSyntaxException var7, String command
+    ) {
+        builder.color(net.kyori.adventure.text.format.NamedTextColor.RED).append(io.papermc.paper.command.brigadier.MessageComponentSerializer.message().deserialize(var7.getRawMessage()));
+
+        if (var7.getInput() != null && var7.getCursor() >= 0) {
+            int min = Math.min(var7.getInput().length(), var7.getCursor());
+            MutableComponent mutableComponent = Component.empty()
+                .withStyle(ChatFormatting.GRAY)
+                .withStyle(style -> style.withClickEvent(new ClickEvent.SuggestCommand("/" + command)));
+            if (min > 10) {
+                mutableComponent.append(CommonComponents.ELLIPSIS);
+            }
+
+            mutableComponent.append(var7.getInput().substring(Math.max(0, min - 10), min));
+            if (min < var7.getInput().length()) {
+                Component component = Component.literal(var7.getInput().substring(min)).withStyle(ChatFormatting.RED, ChatFormatting.UNDERLINE);
+                mutableComponent.append(component);
+            }
+
+            mutableComponent.append(Component.translatable("command.context.here").withStyle(ChatFormatting.RED, ChatFormatting.ITALIC));
+            // Paper start - Add UnknownCommandEvent
+            // source.sendFailure(mutableComponent);
+            builder
+                .append(net.kyori.adventure.text.Component.newline())
+                .append(io.papermc.paper.adventure.PaperAdventure.asAdventure(mutableComponent));
+        }
+
+        return builder.build();
+    }
+    // Leaf end - Configurable unknown command message
+
     public static void validate() {
         CommandBuildContext commandBuildContext = createValidationContext(VanillaRegistries.createLookup());
         CommandDispatcher<CommandSourceStack> dispatcher = new Commands(Commands.CommandSelection.ALL, commandBuildContext).getDispatcher();