Added Tab-completable usernames for various commands

- use /tabcompletablecommand for a full list of valid commands (e.g. party, msg, boop, ...)
- list of supported commands can be modified via config

2 files changed, 85 insertions, 0 deletions

diff --git a/src/main/java/eu/olli/cowmoonication/command/MooCommand.java b/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
index 58d01a5..c1a8318 100644
--- a/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
+++ b/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
@@ -302,6 +302,10 @@ public class MooCommand extends CommandBase {
                     /* miscellaneous */ "config", "guiscale", "shrug", "apikey",
                     /* update mod */ "update", "updateHelp", "version", "folder",
                     /* help */ "help");
+        } else if (args.length == 2 && args[0].equalsIgnoreCase("remove")) {
+            return getListOfStringsMatchingLastWord(args, main.getFriends().getBestFriends());
+        } else if (args.length == 2 && args[0].equalsIgnoreCase("stalk")) {
+            return getListOfStringsMatchingLastWord(args, main.getPlayerCache().getAllNamesSorted());
         }
         return null;
     }
diff --git a/src/main/java/eu/olli/cowmoonication/command/TabCompletableCommand.java b/src/main/java/eu/olli/cowmoonication/command/TabCompletableCommand.java
new file mode 100644
index 0000000..b1ffa33
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/command/TabCompletableCommand.java
@@ -0,0 +1,81 @@
+package eu.olli.cowmoonication.command;
+
+import com.mojang.realmsclient.util.Pair;
+import eu.olli.cowmoonication.Cowmoonication;
+import eu.olli.cowmoonication.config.MooConfig;
+import net.minecraft.client.Minecraft;
+import net.minecraft.command.CommandBase;
+import net.minecraft.command.CommandException;
+import net.minecraft.command.ICommandSender;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumChatFormatting;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class TabCompletableCommand extends CommandBase {
+    private final Cowmoonication main;
+
+    public TabCompletableCommand(Cowmoonication main) {
+        this.main = main;
+    }
+
+    @Override
+    public String getCommandName() {
+        return "tabcompletablecommand";
+    }
+
+    @Override
+    public String getCommandUsage(ICommandSender sender) {
+        return EnumChatFormatting.YELLOW + "Commands where player names can be Tab-completed: " + EnumChatFormatting.GOLD + StringUtils.join(getCommandAliases(), EnumChatFormatting.YELLOW + ", " + EnumChatFormatting.GOLD)
+                + EnumChatFormatting.YELLOW + ". Use " + EnumChatFormatting.GOLD + "/moo config " + EnumChatFormatting.YELLOW + " to edit the list of commands with tab-completable usernames.";
+    }
+
+    @Override
+    public void processCommand(ICommandSender sender, String[] args) throws CommandException {
+        Pair<String, String> lastCommand = getLastCommand();
+        if (lastCommand == null) {
+            main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Something went wrong trying to process this command.");
+        } else if (lastCommand.first().equalsIgnoreCase(getCommandName())) {
+            main.getChatHelper().sendMessage(EnumChatFormatting.YELLOW, getCommandUsage(sender));
+        } else {
+            Minecraft.getMinecraft().thePlayer.sendChatMessage(lastCommand.second());
+        }
+    }
+
+    /**
+     * Work-around to get last used command name or alias (by default it's impossible to detect the used alias)
+     *
+     * @return 1st: last command used by thePlayer, 2nd: (full) last message sent thePlayer; or null if no command was sent as the last message
+     */
+    private Pair<String, String> getLastCommand() {
+        List<String> sentMessages = Minecraft.getMinecraft().ingameGUI.getChatGUI().getSentMessages();
+        String lastMessage = sentMessages.get(sentMessages.size() - 1);
+        if (lastMessage.startsWith("/")) {
+            int endOfCommandName = lastMessage.indexOf(" ");
+            return Pair.of(lastMessage.substring(1, endOfCommandName == -1 ? lastMessage.length() : endOfCommandName),
+                    lastMessage);
+        }
+        return null;
+    }
+
+    @Override
+    public int getRequiredPermissionLevel() {
+        return 0;
+    }
+
+    @Override
+    public List<String> getCommandAliases() {
+        // list of commands that require a player name as one their 1st or 2nd argument
+        return Arrays.asList(MooConfig.tabCompletableNamesCommands);
+    }
+
+    @Override
+    public List<String> addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos) {
+        if (args.length == 1 || args.length == 2) {
+            return getListOfStringsMatchingLastWord(args, main.getPlayerCache().getAllNamesSorted());
+        }
+        return null;
+    }
+}