eu.over9000.veya.gui.Gui.java Source code

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Here is the source code for eu.over9000.veya.gui.Gui.java

Source

 /*
  * Veya
  * Copyright (C) 2015 s1mpl3x
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, write to the Free Software Foundation, Inc.,
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */

 package eu.over9000.veya.gui;

 import java.awt.*;
 import java.awt.event.KeyEvent;

 import org.lwjgl.LWJGLException;
 import org.lwjgl.input.Keyboard;
 import org.lwjgl.opengl.Display;
 import org.lwjgl.opengl.DisplayMode;
 import org.lwjgl.opengl.GL11;

 public class Gui {

     private static final StringBuilder renderString = new StringBuilder("Enter your text");

     private static TrueTypeFont font;
     private static int cnt = 0;

     public static void main(final String[] args) {
         setUpStates(1280, 720);

         setUpFonts();

         enterGameLoop();
         cleanUp();
     }

private static void setUpFonts() {
   font = new TrueTypeFont(new Font("Arial", Font.PLAIN, 16), true, new char[]{''});
}

     private static void setUpStates(final int width, final int height) {
         try {
             Display.setDisplayMode(new DisplayMode(width, height));

             Display.create();
             //Display.create(new PixelFormat().withSamples(4).withDepthBits(24), new ContextAttribs(3, 3));
             Display.setVSyncEnabled(true);
         } catch (final LWJGLException e) {
             e.printStackTrace();
             System.exit(0);
         }

         GL11.glEnable(GL11.GL_TEXTURE_2D);
         GL11.glShadeModel(GL11.GL_SMOOTH);
         GL11.glDisable(GL11.GL_DEPTH_TEST);
         GL11.glDisable(GL11.GL_LIGHTING);

         GL11.glClearColor(0.0f, 0.3f, 0.0f, 0.0f);
         GL11.glClearDepth(1);

         GL11.glEnable(GL11.GL_BLEND);
         GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

         GL11.glViewport(0, 0, width, height);
         GL11.glMatrixMode(GL11.GL_MODELVIEW);

         GL11.glMatrixMode(GL11.GL_PROJECTION);
         GL11.glLoadIdentity();
         GL11.glOrtho(0, width, height, 0, 1, -1);
         GL11.glMatrixMode(GL11.GL_MODELVIEW);
     }

     private static void enterGameLoop() {
         while (!Display.isCloseRequested()) {
             render();
             input();
             update();
         }
     }

     private static void render() {
         GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
         font.drawString(5, 5, renderString.toString() + ' ' + cnt++ + " ", Color.WHITE);
     }

     private static void input() {
         while (Keyboard.next()) {
             if (Keyboard.getEventKeyState()) {
                 // Reset the string if we press escape.
                 if (Keyboard.getEventKey() == Keyboard.KEY_ESCAPE) {
                     renderString.setLength(0);
                     continue;
                 }
                 // Append the pressed key to the string if the key isn't the back key or the shift key.
                 if (Keyboard.getEventKey() != Keyboard.KEY_BACK) {
                     if (isPrintableChar(Keyboard.getEventCharacter())) {
                         renderString.append(Keyboard.getEventCharacter());
                     }
                 } else if (renderString.length() > 0) {
                     renderString.setLength(renderString.length() - 1);
                 }
             }
         }
     }

     public static boolean isPrintableChar(final char c) {
         final Character.UnicodeBlock block = Character.UnicodeBlock.of(c);
         return (!Character.isISOControl(c)) && c != KeyEvent.CHAR_UNDEFINED && block != null
                 && block != Character.UnicodeBlock.SPECIALS;
     }

     private static void update() {
         Display.update();
         Display.sync(60);
     }

     private static void cleanUp() {
         Display.destroy();
         System.exit(0);
     }
 }