taiga.gpvm.render.ColoredSky.java Source code

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Here is the source code for taiga.gpvm.render.ColoredSky.java

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/*
 * Copyright (C) 2014 Russell Smith.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

package taiga.gpvm.render;

import java.util.logging.Logger;
import org.lwjgl.opengl.GL11;
import taiga.code.math.Matrix4;
import taiga.code.util.DataNode;

/**
 * A {@link SkyBoxRenderer} that renders a simple sky of a solid color.
 * 
 * @author russell
 */
public class ColoredSky extends SkyBoxRenderer {

    public static final String COLOR_FIELD_NAME = "color";
    public static final String COLORED_SKY_NAME = "colored-sky";

    /**
     * Creates a new {@link ColoredSky} that renders a simple black sky.
     */
    public ColoredSky() {
        super(COLORED_SKY_NAME);
    }

    /**
     * Creates a new {@link ColoredSky} using the data from the given {@link DataNode}.
     * 
     * @param data The data to use for this {@link ColoredSky}.
     */
    public ColoredSky(DataNode data) {
        super(COLORED_SKY_NAME);

        data = data.getObject(COLOR_FIELD_NAME);

        if (data == null)
            setColor(0, 0, 0);
        else
            setColor(((Number) data.data).intValue());
    }

    /**
     * Sets the color for the sky that this {@link ColoredSky} will render.  The
     * color should be encoded as an integer with the RGB format.
     * @param color 
     */
    public void setColor(int color) {
        byte temp = (byte) color;
        float r = (float) temp / 255f;

        temp = (byte) (color >> 8);
        float g = (float) temp / 255f;

        temp = (byte) (color >> 16);
        float b = (float) temp / 255f;

        setColor(r, g, b);
    }

    /**
     * Sets the color for the sky that this {@link ColoredSky} will render.
     * @param r
     * @param g
     * @param b 
     */
    public void setColor(float r, float g, float b) {
        red = r;
        green = g;
        blue = b;
    }

    @Override
    protected void renderSky(Matrix4 proj) {
        GL11.glClearColor(red, green, blue, 1f);
        GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT | GL11.GL_COLOR_BUFFER_BIT);
    }

    private float red;
    private float green;
    private float blue;

    private static final String locprefix = ColoredSky.class.getName().toLowerCase();

    private static final Logger log = Logger.getLogger(locprefix, System.getProperty("taiga.code.logging.text"));
}