game.graphics.GUI_Stats.java Source code

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Here is the source code for game.graphics.GUI_Stats.java

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/*******************************************************************************
 * Copyright (c) 2013 Glynn Taylor.
 * All rights reserved. This program and the accompanying materials, 
 * (excluding imported libraries, such as LWJGL and Slick2D)
 * are made available under the terms of the GNU Public License
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Glynn Taylor - initial API and implementation
 ******************************************************************************/
/*
 * Displays player statistics such as exp/health/mana/level 
 onto the game screen and prints amounts
 */
package game.graphics;

import game.level.entities.mobs.Player;

import java.io.IOException;

import org.lwjgl.opengl.GL11;
import org.newdawn.slick.Color;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.UnicodeFont;
import org.newdawn.slick.font.effects.ColorEffect;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import org.newdawn.slick.util.ResourceLoader;

public class GUI_Stats {

    private final Player player;
    private Texture ExpTexture;
    private Texture HealthTexture;
    private Texture ManaTexture;
    private UnicodeFont font1;

    public GUI_Stats(Player p) {
        player = p;
        try {
            GL11.glEnable(GL11.GL_TEXTURE_2D);
            ExpTexture = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/UI/ExpBar.png"));
            HealthTexture = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/UI/HealthBar.png"));
            ManaTexture = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/UI/ManaBar.png"));
        } catch (IOException e) {
            e.printStackTrace();
        }
        String fontPath = "res/fonts/ABEAKRG.ttf";
        try {
            font1 = new UnicodeFont(fontPath, 15, true, false);
        } catch (SlickException e1) {
            e1.printStackTrace();
        }
        font1.addAsciiGlyphs();
        font1.addGlyphs(400, 600);
        font1.getEffects().add(new ColorEffect(java.awt.Color.WHITE));
        try {
            font1.loadGlyphs();
        } catch (SlickException e) {
            e.printStackTrace();
        }

    }

    public void DrawBars() {
        if (player != null) {
            Color.white.bind();
            DrawExperienceBar();
            Color.white.bind();
            DrawHealthBar();
            Color.white.bind();
            DrawManaBar();
            font1.drawString(10, 10, "Player level: " + Integer.toString(player.getLevel()), Color.white);
            font1.drawString(10, 25, "Level: " + Integer.toString(player.WorldNumber + 1) + "/9", Color.white);
        }

    }

    private void DrawExperienceBar() {
        if (ExpTexture != null) {
            ExpTexture.bind();
            GL11.glBegin(GL11.GL_QUADS);

            GL11.glTexCoord2f(0, 0);
            GL11.glVertex3f(225, 704, 0);

            GL11.glTexCoord2f(0, 1);
            GL11.glVertex3f(225, 763, 0);

            GL11.glTexCoord2f(1, 1);
            GL11.glVertex3f(225 + 843f * player.Experience / player.GetExpNeedToLevel(), 763, 0);

            GL11.glTexCoord2f(1, 0);
            GL11.glVertex3f(225 + 843f * player.Experience / player.GetExpNeedToLevel(), 704, 0);
            GL11.glEnd();
            String drawString = Integer.toString(player.Experience);
            font1.drawString(645.0F - (float) drawString.length() / 2 * 10, 705.0F, drawString, Color.black);
        }
    }

    private void DrawHealthBar() {
        if (HealthTexture != null) {
            HealthTexture.bind();
            GL11.glBegin(GL11.GL_QUADS);
            GL11.glTexCoord2f(0, 0);
            GL11.glVertex3f(226, 701 - 54 * player.GetStats().GetHealthPercent() / 100, 0);
            GL11.glTexCoord2f(0, 1);
            GL11.glVertex3f(226, 701, 0);

            GL11.glTexCoord2f(1, 1);
            GL11.glVertex3f(318, 701, 0);

            GL11.glTexCoord2f(1, 0);
            GL11.glVertex3f(318, 701 - 54 * player.GetStats().GetHealthPercent() / 100, 0);
            GL11.glEnd();
            String drawString = Integer.toString(player.GetStats().GetHealth());
            font1.drawString(271 - (float) drawString.length() / 2 * 10, 668.0F, drawString, Color.black);

        }
    }

    private void DrawManaBar() {
        if (ManaTexture != null) {
            ManaTexture.bind();
            GL11.glBegin(GL11.GL_QUADS);
            GL11.glTexCoord2f(0, 0);
            GL11.glVertex3f(978, 701 - 54 * player.GetStats().GetManaPercent() / 100, 0);
            GL11.glTexCoord2f(0, 1);
            GL11.glVertex3f(978, 701, 0);

            GL11.glTexCoord2f(1, 1);
            GL11.glVertex3f(1070, 701, 0);

            GL11.glTexCoord2f(1, 0);
            GL11.glVertex3f(1070, 701 - 54 * player.GetStats().GetManaPercent() / 100, 0);
            GL11.glEnd();
            String drawString = Integer.toString(player.GetStats().GetMana());
            font1.drawString(1020 - (float) drawString.length() / 2 * 10, 668.0F, drawString, Color.black);
        }
    }
}