org.jtrfp.trcl.obj.Sprite2D.java Source code

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Here is the source code for org.jtrfp.trcl.obj.Sprite2D.java

Source

/*******************************************************************************
 * This file is part of TERMINAL RECALL
 * Copyright (c) 2012-2014 Chuck Ritola
 * Part of the jTRFP.org project
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     chuck - initial API and implementation
 ******************************************************************************/
package org.jtrfp.trcl.obj;

import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
import org.jtrfp.trcl.RenderMode;
import org.jtrfp.trcl.Triangle;
import org.jtrfp.trcl.core.TR;
import org.jtrfp.trcl.core.TextureDescription;
import org.jtrfp.trcl.gpu.Model;

public class Sprite2D extends WorldObject2DVisibleEverywhere {
    private final TextureDescription texture;

    public Sprite2D(TR tr, double z, double width, double height, TextureDescription tex, boolean useAlpha) {
        super(tr);
        if (tex == null)
            throw new NullPointerException("Supplied texture intolerably null.");
        this.texture = tex;
        final Model m = new Model(false, tr);
        Triangle[] tris = Triangle.quad2Triangles(new double[] { -width / 2, width / 2, width / 2, -width / 2 },
                new double[] { -height / 2, -height / 2, height / 2, height / 2 }, new double[] { z, z, z, z },
                new double[] { 0, 1, 1, 0 }, new double[] { 0, 0, 1, 1 }, tex, RenderMode.DYNAMIC, useAlpha,
                Vector3D.ZERO, "Sprite2D non-segmented");
        m.addTriangles(tris);
        setModel(m);
        setTop(Vector3D.PLUS_J);
        setActive(true);
        setVisible(true);
    }//end constructor

    public Sprite2D(TR tr, double z, double width, double height, TextureDescription[] tex, boolean useAlpha) {
        super(tr);
        if (tex == null)
            throw new NullPointerException("Supplied texture intolerably null.");
        this.texture = tex[0];
        final Model m = new Model(false, tr);
        final int numSegs = tex.length;
        for (int seg = 0; seg < numSegs; seg++) {
            final double segWidth = width / numSegs;
            final double x = (-width / 2) + segWidth * seg;

            Triangle[] tris = Triangle.quad2Triangles(new double[] { x, x + segWidth, x + segWidth, x },
                    new double[] { -height / 2, -height / 2, height / 2, height / 2 }, new double[] { z, z, z, z },
                    new double[] { 0, 1, 1, 0 }, new double[] { 0, 0, 1, 1 }, tex[seg], RenderMode.DYNAMIC,
                    Vector3D.ZERO, "Sprite2D " + numSegs + " segments");
            tris[0].setAlphaBlended(true);
            tris[1].setAlphaBlended(true);
            m.addTriangles(tris);
        } // end for(segs)
        setModel(m.finalizeModel());
        setTop(Vector3D.PLUS_J);
        setHeading(Vector3D.PLUS_K);
        setActive(true);
        setVisible(true);
    }//end constructor

    /**
     * @return the texture
     */
    public TextureDescription getTexture() {
        return texture;
    }
}//end Sprite2D