org.spoutcraft.api.gui.GenericPolygon.java Source code

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Here is the source code for org.spoutcraft.api.gui.GenericPolygon.java

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/*
 * This file is part of Spoutcraft.
 *
 * Copyright (c) 2011 Spout LLC <http://www.spout.org/>
 * Spoutcraft is licensed under the GNU Lesser General Public License.
 *
 * Spoutcraft 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 of the License, or
 * (at your option) any later version.
 *
 * Spoutcraft 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.spoutcraft.api.gui;

import java.util.LinkedList;

import org.apache.commons.lang3.tuple.Pair;
import org.lwjgl.opengl.GL11;

import org.spoutcraft.api.Spoutcraft;

public class GenericPolygon extends GenericWidget implements Polygon {
    LinkedList<Pair<Point, Color>> points = new LinkedList<Pair<Point, Color>>();
    Color lastColor = null;

    public WidgetType getType() {
        return WidgetType.Polygon;
    }

    public void render() {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        GL11.glBlendFunc(770, 771);
        GL11.glShadeModel(GL11.GL_SMOOTH);
        MinecraftTessellator t = Spoutcraft.getTessellator();
        GL11.glTranslated(getActualX(), getActualY(), 0);
        t.startDrawingQuads();
        for (Pair<Point, Color> point : points) {
            Point p = point.getLeft();
            Color c = point.getRight();
            t.setColorRGBAFloat(c.getRedF(), c.getGreenF(), c.getBlueF(), c.getAlphaF());
            t.addVertex(p.getX(), p.getY(), 0);

        }
        t.draw();
        GL11.glShadeModel(GL11.GL_FLAT);
        GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }

    public Polygon addPoint(Point p) throws IllegalStateException {
        if (lastColor == null) {
            throw new IllegalStateException("No color set.");
        }
        return addPoint(p, lastColor);
    }

    public Polygon addPoint(int x, int y) throws IllegalStateException {
        return addPoint(new Point(x, y));
    }

    public Polygon addPoint(Point p, Color c) {
        lastColor = c.clone();
        Pair<Point, Color> toAdd = Pair.of(p, c);
        points.add(toAdd);
        return this;
    }

    public Polygon addPoint(int x, int y, Color c) {
        return addPoint(new Point(x, y), c);
    }

    public LinkedList<Point> getPoints() {
        // TODO Auto-generated method stub
        return null;
    }

    public LinkedList<Color> getColors() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public double getWidth() {
        // TODO Auto-generated method stub
        return super.getWidth();
    }

    @Override
    public double getHeight() {
        // TODO Auto-generated method stub
        return super.getHeight();
    }
}