com.bossletsplays.duthorix.utils.Util.java Source code

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Here is the source code for com.bossletsplays.duthorix.utils.Util.java

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/*
 * Copyright 2016 Matthew Rogers.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bossletsplays.duthorix.utils;

import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.util.ArrayList;
import org.lwjgl.BufferUtils;
import org.lwjgl.opengl.GL11;
import org.lwjglx.Sys;

/**
 * <strong>Project:</strong> DuthorixExploration
 * <strong>File:</strong> Util.java
 * 
 * @author Matthew Rogers
 */
public class Util {

    /**
     * @param min The lower bound of the range (inclusive).
     * @param max The upper bound of the range (inclusive).
     * @return A random floating point value within the range given.
     */
    public static float randFloat(float min, float max) {
        return (float) (min + Math.random() * ((1 + max) - min));
    }

    /**
     * @param min The lower bound of the range (inclusive).
     * @param max The upper bound of the range (inclusive).
     * @return A random integer within the range given.
     */
    public static int randInt(int min, int max) {
        return (int) (min + Math.random() * ((1 + max) - min));
    }

    public static void enableCulling() {
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glCullFace(GL11.GL_BACK);
    }

    public static void disableCulling() {
        GL11.glDisable(GL11.GL_CULL_FACE);
    }

    public static void enableWireframe() {
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glDisable(GL11.GL_COLOR_MATERIAL);
        GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
    }

    public static void disableWireframe() {
        GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_COLOR_MATERIAL);
    }

    public static long getTime() {
        return Sys.getTime() * 1000 / Sys.getTimerResolution();
    }

    public static FloatBuffer storeInFloatBuffer(float[] data) {
        FloatBuffer fb = BufferUtils.createFloatBuffer(data.length);
        fb.put(data);
        fb.flip();
        return fb;
    }

    public static IntBuffer storeInIntBuffer(int[] data) {
        IntBuffer ib = BufferUtils.createIntBuffer(data.length);
        ib.put(data);
        ib.flip();
        return ib;
    }

    public static ByteBuffer createByteBuffer(int size) {
        return BufferUtils.createByteBuffer(size);
    }

    public static String[] removeEmptyStrings(String[] data) {
        ArrayList<String> result = new ArrayList<String>();
        for (int k = 0; k < data.length; k++)
            if (!data[k].equals(""))
                result.add(data[k]);
        String[] res = new String[result.size()];
        result.toArray(res);
        return res;
    }

    public static int[] toIntArray(Integer[] data) {
        int[] result = new int[data.length];
        for (int p = 0; p < data.length; p++)
            result[p] = data[p].intValue();
        return result;
    }

}