import java.util.List;

import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.ChatComponentText;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.gameevent.TickEvent.Phase;
import net.minecraftforge.fml.common.gameevent.TickEvent.ServerTickEvent;

public class ServerEvents
{
	int intervalGold = 30;
	int intervalCounter = 0;
	//*20 for ticks, *60 for minutes
	int finalDuration = 1 * 20 * 60;

	@EventHandler
	public void onServerTick(ServerTickEvent event) {
		if(event.phase == Phase.END) {
			//20 ticks = 1 second - check the counter is finished.
			if(intervalCounter % finalDuration == 0) {
				intervalCounter = 1; //Reset counter
				List<EntityPlayerMP> playerList = MinecraftServer.getServer().getConfigurationManager().playerEntityList;

				for(EntityPlayerMP player : playerList) {
					player.addChatMessage(new ChatComponentText("hello"));
				}
			} else {
				intervalCounter++;
			}
		}
	}
}