package net.minecraftforge.client;
import java.util.List;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiChat;
import net.minecraft.command.CommandException;
import net.minecraft.command.CommandHandler;
import net.minecraft.command.ICommand;
import net.minecraft.command.ICommandSender;
import net.minecraft.command.WrongUsageException;
import net.minecraft.util.ChatComponentTranslation;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.CommandEvent;
import cpw.mods.fml.client.FMLClientHandler;
import net.minecraft.util.EnumChatFormatting;
import static net.minecraft.util.EnumChatFormatting.*;
/**
* The class that handles client-side chat commands. You should register any
* commands that you want handled on the client with this command handler.
*
* If there is a command with the same name registered both on the server and
* client, the client takes precedence!
*
*/
public class ClientCommandHandler extends CommandHandler
{
public static final ClientCommandHandler instance = new ClientCommandHandler();
public String[] latestAutoComplete = null;
/**
* @return 1 if successfully executed, -1 if no permission or wrong usage,
* 0 if it doesn't exist or it was canceled (it's sent to the server)
*/
@Override
public int executeCommand(ICommandSender sender, String message)
{
message = message.trim();
if (message.startsWith("/"))
{
message = message.substring(1);
}
String[] temp = message.split(" ");
String[] args = new String[temp.length - 1];
String commandName = temp[0];
System.arraycopy(temp, 1, args, 0, args.length);
ICommand icommand = (ICommand) getCommands().get(commandName);
try
{
if (icommand == null)
{
return 0;
}
if (icommand.canCommandSenderUseCommand(sender))
{
CommandEvent event = new CommandEvent(icommand, sender, args);
if (MinecraftForge.EVENT_BUS.post(event))
{
if (event.exception != null)
{
throw event.exception;
}
return 0;
}
icommand.processCommand(sender, args);
return 1;
}
else
{
sender.addChatMessage(format(RED, "commands.generic.permission"));
}
}
catch (WrongUsageException wue)
{
sender.addChatMessage(format(RED, "commands.generic.usage", format(RED, wue.getMessage(), wue.getErrorOjbects())));
}
catch (CommandException ce)
{
sender.addChatMessage(format(RED, ce.getMessage(), ce.getErrorOjbects()));
}
catch (Throwable t)
{
sender.addChatMessage(format(RED, "commands.generic.exception"));
t.printStackTrace();
}
return -1;
}
//Couple of helpers because the mcp names are stupid and long...
private ChatComponentTranslation format(EnumChatFormatting color, String str, Object... args)
{
ChatComponentTranslation ret = new ChatComponentTranslation(str, args);
ret.getChatStyle().setColor(color);
return ret;
}
public void autoComplete(String leftOfCursor, String full)
{
latestAutoComplete = null;
if (leftOfCursor.charAt(0) == '/')
{
leftOfCursor = leftOfCursor.substring(1);
Minecraft mc = FMLClientHandler.instance().getClient();
if (mc.currentScreen instanceof GuiChat)
{
@SuppressWarnings("unchecked")
List<String> commands = getPossibleCommands(mc.thePlayer, leftOfCursor);
if (commands != null && !commands.isEmpty())
{
if (leftOfCursor.indexOf(' ') == -1)
{
for (int i = 0; i < commands.size(); i++)
{
commands.set(i, GRAY + "/" + commands.get(i) + RESET);
}
}
else
{
for (int i = 0; i < commands.size(); i++)
{
commands.set(i, GRAY + commands.get(i) + RESET);
}
}
latestAutoComplete = commands.toArray(new String[commands.size()]);
}
}
}
}
}