src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/RenderAggregator.java

   1 /*
   2  * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of version 3 of the GNU Lesser General Public License
   6  * or later as published by the Free Software Foundation.
   7  *
   8  */
   9
  10 package eu.svjatoslav.sixth.e3d.renderer.raster;
  11
  12 import eu.svjatoslav.sixth.e3d.gui.RenderingContext;
  13 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.AbstractCoordinateShape;
  14
  15 import java.io.Serializable;
  16 import java.util.ArrayList;
  17 import java.util.Collections;
  18 import java.util.Comparator;
  19
  20 public class RenderAggregator {
  21
  22     ArrayList<AbstractCoordinateShape> shapes = new ArrayList<>();
  23     ShapesComparator comparator = new ShapesComparator();
  24
  25     public void paint(final RenderingContext renderBuffer) {
  26
  27         Collections.sort(shapes, comparator);
  28
  29         for (final AbstractCoordinateShape shape : shapes)
  30             shape.paint(renderBuffer);
  31
  32     }
  33
  34     public void queueShapeForRendering(final AbstractCoordinateShape shape) {
  35         shapes.add(shape);
  36     }
  37
  38     public void reset() {
  39         shapes.clear();
  40     }
  41
  42     static class ShapesComparator implements Comparator<AbstractCoordinateShape>, Serializable {
  43
  44         @Override
  45         public int compare(final AbstractCoordinateShape o1, final AbstractCoordinateShape o2) {
  46             if (o1.getZ() < o2.getZ())
  47                 return 1;
  48             else if (o1.getZ() > o2.getZ())
  49                 return -1;
  50
  51             return Integer.compare(o1.shapeId, o2.shapeId);
  52         }
  53     }
  54 }