minecraft-kajetans-mod/src/main/java/me/km/chatchannel/ChatChannel.java

package me.km.chatchannel;

import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Predicate;
import me.km.KajetansMod;
import net.minecraft.entity.player.ServerPlayerEntity;
import net.minecraft.util.text.StringTextComponent;

public class ChatChannel 
{
    // -------------------------------------------------------------------------
    // static stuff
    // -------------------------------------------------------------------------
    
    public static ChatChannel getDevChannel()
    {
        return DEV_CHANNEL;
    };
    
    private final static ChatChannel DEV_CHANNEL = new ChatChannel("Dev", TextColor.LIGHT_PURPLE, 
            (cc, s) -> 
            {
                StringTextComponent text = new StringTextComponent(s);
                cc.forEach(p -> p.sendMessage(text));
            }, p -> KajetansMod.perms.hasPermission(p, "script.error"));   
    
    // -------------------------------------------------------------------------
    // chat channels
    // -------------------------------------------------------------------------
    
    private final Predicate<ServerPlayerEntity> filter;
    private final String prefix;
    private final String list;
    private final BiConsumer<ChatChannel, String> onSend;
    
    private ChatChannel(String name, TextColor tc,
            BiConsumer<ChatChannel, String> onSend, Predicate<ServerPlayerEntity> filter)
    {
        this.filter = filter;
        this.prefix = "[" + tc + name + TextColor.RESET + "] ";
        this.list = tc + " - ";
        this.onSend = onSend;
    }
    
    public void send(String msg)
    {
        onSend.accept(this, prefix + " " + msg);
    }
    
    public void sendWarning(String msg)
    {
        onSend.accept(this, prefix + " " + TextColor.RED + msg);
    }
    
    public void sendList(String msg)
    {
        onSend.accept(this, list + TextColor.RESET + msg);
    }
    
    public void sendList(String msg, String msg2)
    {
        onSend.accept(this, list + msg + TextColor.RESET + " " + msg2);
    }
    
    public void forEach(Consumer<ServerPlayerEntity> c)
    {
        KajetansMod.server.getPlayerList().getPlayers().stream().filter(filter).forEach(c);
    }
}