Paper/Spigot-Server-Patches/0061-Add-Location-support-to-tab-completers-vanilla-featu.patch

From 629b40a00252fba89e0cd179b07eea9ed168b7db Mon Sep 17 00:00:00 2001
From: DemonWav <demonwav@gmail.com>
Date: Thu, 3 Mar 2016 01:44:39 -0600
Subject: [PATCH] Add Location support to tab completers (vanilla feature
 missing in CraftBukkit)


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 1f97e59..ca11cd7 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -262,4 +262,9 @@ public class PaperWorldConfig {
     private void allChunksAreSlimeChunks() {
         allChunksAreSlimeChunks = getBoolean("all-chunks-are-slime-chunks", false);
     }
+
+    public boolean allowBlockLocationTabCompletion;
+    private void allowBlockLocationTabCompletion() {
+        allowBlockLocationTabCompletion = getBoolean("allow-block-location-tab-completion", true);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index ee9491f..058735e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1186,7 +1186,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
             return arraylist;
         }
         */
-        return server.tabComplete(icommandlistener, s); // PAIL : todo args
+        return server.tabComplete(icommandlistener, s, blockposition); // PAIL : todo args // Paper - add Location arg
         // CraftBukkit end
     }
 
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index c6cee80..3a288bd 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -25,17 +25,11 @@ import javax.imageio.ImageIO;
 
 import net.minecraft.server.*;
 
-import org.bukkit.BanList;
-import org.bukkit.Bukkit;
-import org.bukkit.ChatColor;
-import org.bukkit.GameMode;
-import org.bukkit.OfflinePlayer;
-import org.bukkit.Server;
-import org.bukkit.UnsafeValues;
+import net.minecraft.server.WorldType;
+import org.bukkit.*;
 import org.bukkit.Warning.WarningState;
 import org.bukkit.World;
 import org.bukkit.World.Environment;
-import org.bukkit.WorldCreator;
 import org.bukkit.boss.BarColor;
 import org.bukkit.boss.BarFlag;
 import org.bukkit.boss.BarStyle;
@@ -1606,21 +1600,38 @@ public final class CraftServer implements Server {
     }
 
     public List<String> tabComplete(net.minecraft.server.ICommandListener sender, String message) {
+        return tabComplete(sender, message, null); // Paper - location tab-completes. Original code here moved below
+    }
+
+    // Paper start - add BlockPosition support
+    /*
+      this code is copied, except for the noted change, from the original tabComplete(net.minecraft.server.ICommandListener sender, String message) method
+     */
+    public List<String> tabComplete(net.minecraft.server.ICommandListener sender, String message, BlockPosition blockPosition) {
         if (!(sender instanceof EntityPlayer)) {
             return ImmutableList.of();
         }
 
         Player player = ((EntityPlayer) sender).getBukkitEntity();
         if (message.startsWith("/")) {
-            return tabCompleteCommand(player, message);
+            return tabCompleteCommand(player, message, blockPosition);
         } else {
             return tabCompleteChat(player, message);
         }
+        // Paper end
     }
 
     public List<String> tabCompleteCommand(Player player, String message) {
+        return tabCompleteCommand(player, message, null); // Paper - location tab-completes. Original code here moved below
+    }
+
+    // Paper start - add BlockPosition support
+    /*
+      this code is copied, except for the noted change, from the original tabComplete(net.minecraft.server.ICommandListener sender, String message) method
+     */
+    public List<String> tabCompleteCommand(Player player, String message, BlockPosition blockPosition) {
         // Spigot Start
-		if ( (org.spigotmc.SpigotConfig.tabComplete < 0 || message.length() <= org.spigotmc.SpigotConfig.tabComplete) && !message.contains( " " ) )
+        if ( (org.spigotmc.SpigotConfig.tabComplete < 0 || message.length() <= org.spigotmc.SpigotConfig.tabComplete) && !message.contains( " " ) )
         {
             return ImmutableList.of();
         }
@@ -1628,7 +1639,14 @@ public final class CraftServer implements Server {
 
         List<String> completions = null;
         try {
-            completions = getCommandMap().tabComplete(player, message.substring(1));
+            // send location info if presen
+            // completions = getCommandMap().tabComplete(player, message.substring(1));
+            if (blockPosition == null || !((CraftWorld) player.getWorld()).getHandle().paperConfig.allowBlockLocationTabCompletion) {
+                completions = getCommandMap().tabComplete(player, message.substring(1));
+            } else {
+                completions = getCommandMap().tabComplete(player, message.substring(1), new Location(player.getWorld(), blockPosition.getX(), blockPosition.getY(), blockPosition.getZ()));
+            }
+            // Paper end
         } catch (CommandException ex) {
             player.sendMessage(ChatColor.RED + "An internal error occurred while attempting to tab-complete this command");
             getLogger().log(Level.SEVERE, "Exception when " + player.getName() + " attempted to tab complete " + message, ex);
diff --git a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
index 100d84a..a40218c 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
@@ -7,6 +7,7 @@ import net.minecraft.server.*;
 
 import org.apache.commons.lang.Validate;
 import org.apache.logging.log4j.Level;
+import org.bukkit.Location;
 import org.bukkit.command.BlockCommandSender;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
@@ -46,10 +47,23 @@ public final class VanillaCommandWrapper extends VanillaCommand {
 
     @Override
     public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
+        return tabComplete(sender, alias, args, null); // Paper - location tab-completes. Original code moved below
+    }
+
+    // Paper start - location tab-completes
+    /*
+      this code is copied, except for the noted change, from the original tabComplete(CommandSender sender, String alias, String[] args) method
+     */
+    @Override
+    public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
         Validate.notNull(sender, "Sender cannot be null");
         Validate.notNull(args, "Arguments cannot be null");
         Validate.notNull(alias, "Alias cannot be null");
-        return (List<String>) vanillaCommand.tabComplete(MinecraftServer.getServer(), getListener(sender), args, new BlockPosition(0, 0, 0));
+        if (location == null) { // PaperSpigot use location information if available
+            return (List<String>) vanillaCommand.tabComplete(MinecraftServer.getServer(), getListener(sender), args, new BlockPosition(0, 0, 0));
+        } else {
+            return (List<String>) vanillaCommand.tabComplete(MinecraftServer.getServer(), getListener(sender), args, new BlockPosition(location.getBlockX(), location.getBlockY(), location.getBlockZ()));
+        }
     }
 
     public static CommandSender lastSender = null; // Nasty :(
-- 
2.8.0