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path: root/patches/server/0140-Add-UnknownCommandEvent.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Sweepyoface <github@sweepy.pw>
Date: Sat, 17 Jun 2017 18:48:21 -0400
Subject: [PATCH] Add UnknownCommandEvent

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

diff --git a/src/main/java/net/minecraft/commands/CommandSourceStack.java b/src/main/java/net/minecraft/commands/CommandSourceStack.java
index 2ee328f204acf97b23702b4dc3b13b7f33b97a8e..902671a335da23d3945c363afc8abde6f5a1d444 100644
--- a/src/main/java/net/minecraft/commands/CommandSourceStack.java
+++ b/src/main/java/net/minecraft/commands/CommandSourceStack.java
@@ -344,8 +344,13 @@ public class CommandSourceStack implements SharedSuggestionProvider {
     }
 
     public void sendFailure(Component message) {
+        // Paper start
+        this.sendFailure(message, true);
+    }
+    public void sendFailure(Component message, boolean withStyle) {
+        // Paper end
         if (this.source.acceptsFailure() && !this.silent) {
-            this.source.sendSystemMessage(Component.empty().append(message).withStyle(ChatFormatting.RED));
+            this.source.sendSystemMessage(withStyle ? Component.empty().append(message).withStyle(ChatFormatting.RED) : message); // Paper
         }
 
     }
diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
index d1ecf61ffecb8669214ad85334374a4569811de8..e63632f09d608371aaeaf09a6dac57c1d8a719d4 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -139,6 +139,7 @@ public class Commands {
     public static final int LEVEL_ADMINS = 3;
     public static final int LEVEL_OWNERS = 4;
     private final com.mojang.brigadier.CommandDispatcher<CommandSourceStack> dispatcher = new com.mojang.brigadier.CommandDispatcher();
+    public final java.util.List<CommandNode<CommandSourceStack>> vanillaCommandNodes = new java.util.ArrayList<>(); // Paper
 
     public Commands(Commands.CommandSelection environment, CommandBuildContext commandRegistryAccess) {
         this(); // CraftBukkit
@@ -234,6 +235,7 @@ public class Commands {
         if (environment.includeIntegrated) {
             PublishCommand.register(this.dispatcher);
         }
+        this.vanillaCommandNodes.addAll(this.dispatcher.getRoot().getChildren()); // Paper
 
         // CraftBukkit start
     }
@@ -325,7 +327,16 @@ public class Commands {
                 b1 = 0;
                 return b1;
             } catch (CommandSyntaxException commandsyntaxexception) {
-                commandlistenerwrapper.sendFailure(ComponentUtils.fromMessage(commandsyntaxexception.getRawMessage()));
+                // Paper start
+                final net.kyori.adventure.text.TextComponent.Builder builder = net.kyori.adventure.text.Component.text();
+                if ((parseresults.getContext().getNodes().isEmpty() || !this.vanillaCommandNodes.contains(parseresults.getContext().getNodes().get(0).getNode()))) {
+                    if (!org.spigotmc.SpigotConfig.unknownCommandMessage.isEmpty()) {
+                        builder.append(net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.unknownCommandMessage));
+                    }
+                } else {
+                // commandlistenerwrapper.sendFailure(ComponentUtils.fromMessage(commandsyntaxexception.getRawMessage()));
+                builder.color(net.kyori.adventure.text.format.NamedTextColor.RED).append(io.papermc.paper.brigadier.PaperBrigadier.componentFromMessage(commandsyntaxexception.getRawMessage()));
+                // Paper end
                 if (commandsyntaxexception.getInput() != null && commandsyntaxexception.getCursor() >= 0) {
                     int j = Math.min(commandsyntaxexception.getInput().length(), commandsyntaxexception.getCursor());
                     MutableComponent ichatmutablecomponent = Component.empty().withStyle(ChatFormatting.GRAY).withStyle((chatmodifier) -> {
@@ -344,7 +355,18 @@ public class Commands {
                     }
 
                     ichatmutablecomponent.append((Component) Component.translatable("command.context.here").withStyle(ChatFormatting.RED, ChatFormatting.ITALIC));
-                    commandlistenerwrapper.sendFailure(ichatmutablecomponent);
+                // Paper start
+                    // commandlistenerwrapper.sendFailure(ichatmutablecomponent);
+                    builder
+                        .append(net.kyori.adventure.text.Component.newline())
+                        .append(io.papermc.paper.adventure.PaperAdventure.asAdventure(ichatmutablecomponent));
+                }
+                }
+                org.bukkit.event.command.UnknownCommandEvent event = new org.bukkit.event.command.UnknownCommandEvent(commandlistenerwrapper.getBukkitSender(), s, org.spigotmc.SpigotConfig.unknownCommandMessage.isEmpty() ? null : builder.build());
+                org.bukkit.Bukkit.getServer().getPluginManager().callEvent(event);
+                if (event.message() != null) {
+                    commandlistenerwrapper.sendFailure(io.papermc.paper.adventure.PaperAdventure.asVanilla(event.message()), false);
+                // Paper end
                 }
 
                 b1 = 0;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 66de956051f6c5b66f806063869e25430144c6ce..0ef8750c7c862a44dfb0e15602ef819790c9f1a4 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -530,6 +530,7 @@ public final class CraftServer implements Server {
                     }
                     node = clone;
                 }
+                dispatcher.vanillaCommandNodes.add(node); // Paper
 
                 dispatcher.getDispatcher().getRoot().addChild(node);
             } else {
@@ -897,7 +898,13 @@ public final class CraftServer implements Server {
 
         // Spigot start
         if (!org.spigotmc.SpigotConfig.unknownCommandMessage.isEmpty()) {
-            sender.sendMessage(org.spigotmc.SpigotConfig.unknownCommandMessage);
+            // Paper start
+            org.bukkit.event.command.UnknownCommandEvent event = new org.bukkit.event.command.UnknownCommandEvent(sender, commandLine, net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.unknownCommandMessage));
+            Bukkit.getServer().getPluginManager().callEvent(event);
+            if (event.message() != null) {
+                sender.sendMessage(event.message());
+            }
+            // Paper end
         }
         // Spigot end