problem z drawString (Slick)

Witam, pisze małą grę przy użyciu bibliotek Kryonet oraz LWJGL i napotkałem problem. Przy wyświetlaniu napisu dostaję tylko biały prostokąt... Sprawdzałem wiele różnych opcji dodawania napisu i niestety cały czas uzyskuję ten sam efekt. Może miał ktoś podobny problem.

package mygame;

import java.awt.Color;
import java.awt.Font;
import java.util.HashMap;
import java.util.Map;

import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.TrueTypeFont;

import com.esotericsoftware.kryonet.Listener;

public class ClientProgram extends Listener {

	static Player player = new Player();
	static Network network = new Network();
	static Map<Integer, MPPlayer> players = new HashMap<Integer, MPPlayer>();
	private static TrueTypeFont font;
	private static Font awtFont;

	public static void main(String[] args) throws Exception {
		Display.setDisplayMode(new DisplayMode(512, 512));
		Display.setTitle("Uciekaj albo giń!");
		Display.create();

		
		// Init GL
		GL11.glMatrixMode(GL11.GL_PROJECTION);
		GL11.glLoadIdentity();
		GL11.glOrtho(0, Display.getWidth(), 0, Display.getHeight(), -1, 1);
		GL11.glMatrixMode(GL11.GL_MODELVIEW);
		awtFont = new Font("Time News Roman", Font.BOLD, 24);
		font = new TrueTypeFont(awtFont, true);
		network.connect();

		while (!Display.isCloseRequested()) {
			GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
			GL11.glLoadIdentity();
			update();
			render(null, null);

			Display.update();
			Display.sync(60);
		}

		Display.destroy();
		System.exit(0);
	}

	public static void update() {
		player.update();

		// Aktualizacja pozycji
		if (player.networkPosition.x != player.position.x) {
			// Wyslij pozycje X
			PacketUpdateX packet = new PacketUpdateX();
			packet.x = player.position.x;
			network.client.sendUDP(packet);

			player.networkPosition.x = player.position.x;
		}
		if (player.networkPosition.y != player.position.y) {
			// Wyslij pozycje Y
			PacketUpdateY packet = new PacketUpdateY();
			packet.y = player.position.y;
			network.client.sendUDP(packet);

			player.networkPosition.y = player.position.y;
		}
	}

	public static void render(GameContainer gc, Graphics g) {

		// Renderowanie gracza
		font.drawString(20.0f,20.0f,"Test drawing string.");
		GL11.glColor3f(0, 0, 1);
		GL11.glBegin(GL11.GL_TRIANGLE_FAN);
		GL11.glVertex2f(player.position.x - 8, player.position.y - 8);
		GL11.glVertex2f(player.position.x + 8, player.position.y + 8);
		GL11.glVertex2f(player.position.x - 8, player.position.y + 8);
		GL11.glVertex2f(player.position.x + 8, player.position.y - 8);
		GL11.glEnd();

		// Renderowanie innych graczy
		GL11.glColor3f(1, 0, 0);
		GL11.glBegin(GL11.GL_TRIANGLES);
		for (MPPlayer mpPlayer : players.values()) {
			if (player.position.x != mpPlayer.x || player.position.y != mpPlayer.y) {
				GL11.glColor3f(1, 0, 0);
				GL11.glBegin(GL11.GL_TRIANGLES);
				GL11.glVertex2f(mpPlayer.x, mpPlayer.y + 8);
				GL11.glVertex2f(mpPlayer.x + 8, mpPlayer.y - 8);
				GL11.glVertex2f(mpPlayer.x - 8, mpPlayer.y - 8);
			} else {
				GL11.glColor3f(0, 1, 0);
				GL11.glBegin(GL11.GL_TRIANGLES);
				GL11.glVertex2f(mpPlayer.x, mpPlayer.y + 20);
				GL11.glVertex2f(mpPlayer.x + 20, mpPlayer.y - 20);
				GL11.glVertex2f(mpPlayer.x - 20, mpPlayer.y - 20);
				Counter packet = new Counter();
				packet.counter += 1;
				network.client.sendTCP(packet);
			}

		}
		GL11.glEnd();
	}
}