com.lyeeedar.Roguelike3D.Graphics.Materials.ColorAttribute.java Source code

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Here is the source code for com.lyeeedar.Roguelike3D.Graphics.Materials.ColorAttribute.java

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/*******************************************************************************
 * Copyright (c) 2013 Philip Collin.
 * 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:
 *     Philip Collin - initial API and implementation
 ******************************************************************************/
package com.lyeeedar.Roguelike3D.Graphics.Materials;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.utils.Pool;
import com.lyeeedar.Roguelike3D.Graphics.Lights.LightManager;

public class ColorAttribute extends MaterialAttribute {

    private static final long serialVersionUID = 8802901657668185338L;
    static final public String colour = "u_colour";

    public final Color color;

    protected ColorAttribute() {
        color = new Color();
    }

    /** Creates a {@link MaterialAttribute} that is a pure {@link Color}.
     * 
     * @param color The {@link Colour} that you wish the attribute to represent.
     * @param name The name of the uniform in the {@link ShaderProgram} that will have its value set to this color. (A 'name' does
     *           not matter for a game that uses {@link GL10}). */
    public ColorAttribute(Color color, String name) {
        super(name);
        this.color = color.cpy();
    }

    @Override
    public void bind(ShaderProgram program, LightManager lights) {
        program.setUniformf(name, color.r, color.g, color.b);
    }

    @Override
    public MaterialAttribute copy() {
        return new ColorAttribute(color, name);
    }

    @Override
    public void set(MaterialAttribute attr) {
        ColorAttribute colAttr = (ColorAttribute) attr;
        name = colAttr.name;
        final Color c = colAttr.color;
        color.r = c.r;
        color.g = c.g;
        color.b = c.b;
        color.a = c.a;
    }

    private final static Pool<ColorAttribute> pool = new Pool<ColorAttribute>() {
        @Override
        protected ColorAttribute newObject() {
            return new ColorAttribute();
        }
    };

    @Override
    public MaterialAttribute pooledCopy() {
        ColorAttribute attr = pool.obtain();
        attr.set(this);
        return attr;
    }

    @Override
    public void free() {
        if (isPooled)
            pool.free(this);
    }

    @Override
    public void dispose() {
    }

    @Override
    public void create() {
    }
}