com.badlogic.gdx.graphics.g3d.attributes.DirectionalLightsAttribute.java Source code

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Here is the source code for com.badlogic.gdx.graphics.g3d.attributes.DirectionalLightsAttribute.java

Source

package com.badlogic.gdx.graphics.g3d.attributes;

import com.badlogic.gdx.graphics.g3d.Attribute;
import com.badlogic.gdx.graphics.g3d.Shader;
import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
import com.badlogic.gdx.utils.Array;

/** An {@link Attribute} which can be used to send an {@link Array} of {@link DirectionalLight} instances to the {@link Shader}.
 * The lights are stored by reference, the {@link #copy()} or {@link #DirectionalLightsAttribute(DirectionalLightsAttribute)}
 * method will not create new lights.
 * @author Xoppa */
public class DirectionalLightsAttribute extends Attribute {
    public final static String Alias = "directionalLights";
    public final static long Type = register(Alias);

    public final static boolean is(final long mask) {
        return (mask & Type) == mask;
    }

    public final Array<DirectionalLight> lights;

    public DirectionalLightsAttribute() {
        super(Type);
        lights = new Array<DirectionalLight>(1);
    }

    public DirectionalLightsAttribute(final DirectionalLightsAttribute copyFrom) {
        this();
        lights.addAll(copyFrom.lights);
    }

    @Override
    public DirectionalLightsAttribute copy() {
        return new DirectionalLightsAttribute(this);
    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        for (DirectionalLight light : lights)
            result = 1229 * result + (light == null ? 0 : light.hashCode());
        return result;
    }

    @Override
    public int compareTo(Attribute o) {
        if (type != o.type)
            return type < o.type ? -1 : 1;
        return 0; // FIXME implement comparing
    }
}