wrath.client.graphics.graphics2D.Background.java Source code

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Here is the source code for wrath.client.graphics.graphics2D.Background.java

Source

/**
 *  Wrath Engine 
 *  Copyright (C) 2015  Trent Spears
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package wrath.client.graphics.graphics2D;

import org.lwjgl.opengl.GL11;
import wrath.client.graphics.Color;
import wrath.client.graphics.Renderable;
import wrath.client.graphics.Texture;

/**
 * This class describes a 2D rectangular background.
 * @author Trent Spears
 */
public class Background implements Renderable {
    private Color color = null;
    private Texture tex = null;

    /**
     * Constructor.
     * @param texture The {@link wrath.client.graphics.Texture} to render in the background. Can be null. 
     */
    public Background(Texture texture) {
        this(texture, Color.DEFAULT);
    }

    /**
     * Constructor.
     * @param texture The {@link wrath.client.graphics.Texture} to render in the background. Can be null. 
     * @param color The {@link wrath.client.graphics.Color} to render the background in. Cannot be null.
     */
    public Background(Texture texture, Color color) {
        this.tex = texture;
        this.color = color;
    }

    @Override
    public void renderSetup() {
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        if (tex != null)
            tex.bindTexture();
        color.bindColor();
        GL11.glBegin(GL11.GL_QUADS);
    }

    @Override
    public void render(boolean consolidated) {
        if (consolidated)
            renderSetup();
        //Top Left
        GL11.glTexCoord2f(0, 0);
        GL11.glVertex3f(-1.0f, 1.0f, 0.0f);

        //Top Right
        GL11.glTexCoord2f(1, 0);
        GL11.glVertex3f(1.0f, 1.0f, 0.0f);

        //Bottom Right
        GL11.glTexCoord2f(1, 1);
        GL11.glVertex3f(1.0f, -1.0f, 0.0f);

        //Bottom Left
        GL11.glTexCoord2f(0, 1);
        GL11.glVertex3f(-1.0f, -1.0f, 0.0f);
        if (consolidated)
            renderStop();
    }

    @Override
    public void renderStop() {
        GL11.glEnd();
        color.unbindColor();
        Texture.unbindTextures();
    }

    /**
     * Changes the background's color.
     * @param color The {@link wrath.client.graphics.Color} to render the background in.
     */
    public void setColor(Color color) {
        this.color = color;
    }

    /**
     * Changes the background's Texture (image).
     * @param tex The {@link wrath.client.graphics.Texture} to render for the background.
     */
    public void setTexture(Texture tex) {
        this.tex = tex;
    }
}