Runedream grid system.

gistfile1.java

package org.dang.api.script.methods;

import org.runedream.api.methods.Game;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.LinkedList;
import java.util.List;

/**
 * @author Caleb (Dang)
 * @version: 0.9
 */

public class Grid {

     private final List<Rectangle> rectangles = new LinkedList<Rectangle>();
     private final int pieceSize;
     private final Rectangle bounds;

     /**
      * @param area_bounds The bounds in which to create the grid.
      * @param piece_size The size of each piece of the grid.
      */
     public Grid(final Rectangle area_bounds, final int piece_size) {
          this.bounds = area_bounds;
          this.pieceSize = piece_size;
          this.setRectangles();
     }

     /**
      * @param pieceSize the size of each piece of the grid.
      */
     public Grid(final int pieceSize) {
          this(new Rectangle(0, 0, Game.getImage().getWidth(), Game.getImage().getHeight()), pieceSize);
     }

     /**
      * Sets the grid.
      */
     private void setRectangles() {
          this.rectangles.clear();
          for (int x = 0; x < this.bounds.width; x += this.pieceSize) {
               if (x + this.pieceSize > bounds.width) {
                    break;
               }
               for (int y = 0; y < this.bounds.height; y += this.pieceSize) {
                    if (y + this.pieceSize > this.bounds.height) {
                         break;
                    }
                    this.rectangles.add(new Rectangle(x, y, this.pieceSize, this.pieceSize));
               }

          }
     }

     /**
      * @param index the index of the piece to get
      *
      * @return the piece with an index value of 'index'
      */
     public Rectangle getPiece(final int index) {
          return this.rectangles.get(index);
     }

     /**
      * @param rects add these to the grid.
      */
     public void add(final Rectangle... rects) {
          for (final Rectangle rectangle : rects) {
               this.rectangles.add(rectangle);
          }
     }

     /**
      * @param index the piece index value to remove.
      */
     public void remove(final int index) {
          this.rectangles.remove(index);
     }

     /**
      * @return the list of Rectangles in the grid.
      */
     public List<Rectangle> getPieces() {
          return this.rectangles;
     }

     /**
      * @return an array of Rectangles in the grid
      */
     public Rectangle[] getPiecesArray() {
          return this.rectangles.toArray(new Rectangle[this.rectangles.size()]);
     }

     /**
      * @param index the index value of the pieces
      *
      * @return an array of colors in the piece
      */
     public Color[] getColors(final int index) {
          final BufferedImage image = Game.getImage();
          final Rectangle rect = this.getPiece(index);
          final List<Color> colors = new LinkedList<Color>();
          for (int x = 0; x < rect.width; x += 1) {
               for (int y = 0; y < rect.height; y += 1) {
                    colors.add(new Color(image.getRGB(x, y)));
               }
          }
          return colors.toArray(new Color[colors.size()]);
     }

     /**
      * @param indexes the index values of the pieces
      *
      * @return an array of colors in the pieces
      */
     public Color[] getColors(final int... indexes) {
          final List<Color> colors = new LinkedList<Color>();
          for (final int index : indexes) {
               final Color[] index_colors = this.getColors(index);
               for (final Color c : index_colors) {
                    colors.add(c);
               }
          }
          return colors.toArray(new Color[colors.size()]);
     }

     /**
      * @param index the index value of the piece to check
      * @param tolerance the tolerance to allow
      * @param color the color to search for
      *
      * @return if the piece contains 'color' with a tolerance of 'tolerance'
      */
     public boolean contains(final int index, final int tolerance, final Color color) {
          final BufferedImage image = getImageAt(index);
          final int width = image.getWidth();
          final int height = image.getHeight();
          for (int x = 0; x < width; x += 1) {
               for (int y = 0; y < height; y += 1) {
                    if (isColor(color, new Color(image.getRGB(x, y)), tolerance)) {
                         return true;
                    }
               }
          }
          return false;
     }

     /**
      * @param index the index value of the piece to check
      * @param color the color to search for
      *
      * @return if the piece contains 'color'
      */
     public boolean contains(final int index, final Color color) {
          return this.contains(index, 0, color);
     }

     /**
      * @param index the index value of the piece to check
      * @param tolerance the tolerance to allow
      * @param colors the colors to search for
      *
      * @return if the piece contains 'colors' with a tolerance of 'tolerance'
      */
     public boolean contains(final int index, int tolerance, final Color... colors) {
          for (final Color color : colors) {
               if (! this.contains(index, tolerance, color)) {
                    return false;
               }
          }
          return true;
     }

     /**
      * @param index the index value of the piece to check
      * @param colors the colors to search for
      *
      * @return if the piece contains 'colors'
      */
     public boolean contains(final int index, final Color... colors) {
          return this.contains(index, 0, colors);
     }

     /**
      * @param index the index value of the piece to check
      * @param point the Point to check for
      *
      * @return if the piece contains 'point'
      */
     public boolean contains(final int index, final Point point) {
          return getPiece(index).contains(point);
     }

     /**
      * @param index the index value of the piece to check
      * @param points the Point's to check for
      *
      * @return if the piece contains all 'points'
      */
     public boolean contains(final int index, final Point... points) {
          final Rectangle piece = getPiece(index);
          for (final Point point : points) {
               if (! piece.contains(point)) {
                    return false;
               }
          }
          return true;
     }

     /**
      * @param tolerance the tolerance to allow
      * @param colors the colors to search for
      *
      * @return an array of pieces containing all 'colors' with a tolerance of 'tolerance'
      */
     public Rectangle[] getContaining(final int tolerance, final Color... colors) {
          final List<Rectangle> pieces = new LinkedList<Rectangle>();
          for (int index = 0; index < this.rectangles.size(); index += 1) {
               if (this.contains(index, tolerance, colors)) {
                    pieces.add(this.rectangles.get(index));
               }
          }
          return pieces.toArray(new Rectangle[pieces.size()]);
     }

     /**
      * @param colors the colors to search for
      *
      * @return an array of pieces containing all 'colors'
      */
     public Rectangle[] getContaining(final Color... colors) {
          return this.getContaining(0, colors);
     }

     /**
      * @param point the point the piece must contain
      *
      * @return the piece containing 'point', null if no pieces contain 'point'
      */
     public Rectangle getContaining(final Point point) {
          for (final Rectangle rectangle : rectangles) {
               if (rectangle.contains(point)) {
                    return rectangle;
               }
          }
          return null;
     }

     /**
      * @param points the points the piece must contain
      *
      * @return the piece containing all 'points', null if not found
      */
     public Rectangle getContaining(final Point... points) {
          for (int index = 0; index < rectangles.size(); index += 1) {
               if (contains(index, points)) {
                    return getPiece(index);
               }
          }
          return null;
     }

     /**
      * @return the size of each piece
      */
     public int getPieceSize() {
          return this.pieceSize;
     }

     /**
      * @param index the index value of the piece
      *
      * @return an image of the piece
      */
     public BufferedImage getImageAt(final int index) {
          final Rectangle bound = getPiece(index);
          final BufferedImage game = Game.getImage();
          return game.getSubimage(bound.x, bound.y, bound.width, bound.height);
     }

     /**
      * @param indexes the index values of the pieces
      *
      * @return an array of images of the pieces
      */
     public BufferedImage[] getImageAt(final int... indexes) {
          final List<BufferedImage> images = new LinkedList<BufferedImage>();
          for (final int index : indexes) {
               images.add(getImageAt(index));
          }
          return images.toArray(new BufferedImage[images.size()]);
     }

     /**
      * @param g Graphics2D Object
      */
     public void draw(final Graphics2D g) {
          for (final Rectangle r : this.rectangles) {
               g.drawRect(r.x, r.y, r.width, r.height);
          }
     }

     /**
      * @param g Graphics Object
      */
     public void draw(final Graphics g) {
          for (final Rectangle r : this.rectangles) {
               g.drawRect(r.x, r.y, r.width, r.height);
          }
     }

     /**
      * @param g Graphics Object
      */
     public void drawPoints(final Graphics g) {
          for (final Rectangle r : this.rectangles) {
               final int x = r.x, y = r.y;
               g.drawLine(x, y, x, y);
          }
     }

     /**
      * @param g Graphics2D Object
      */
     public void drawPoints(final Graphics2D g) {
          for (final Rectangle r : this.rectangles) {
               final int x = r.x, y = r.y;
               g.drawLine(x, y, x, y);
          }
     }

     /**
      * @param colorOne the first color to compare
      * @param colorTwo the color to compare 'colorOne' to
      * @param tolerance the tolerance to allow between each color
      *
      * @return if the color's RGS values are within the tolerance given
      */
     private static boolean isColor(final Color colorOne, final Color colorTwo, final int tolerance) {
          final int[] one = { colorOne.getRed(), colorOne.getGreen(), colorOne.getBlue() };
          final int[] two = { colorTwo.getRed(), colorTwo.getGreen(), colorTwo.getBlue() };
          return isWithinTolerance(one[0], two[0], tolerance) && isWithinTolerance(one[1], two[1], tolerance) && isWithinTolerance(one[2], two[2], tolerance);
     }

     /**
      * @param num the first number to compare
      * @param num2 the number to compare to 'num'
      * @param tolerance the amount to allow between the values
      *
      * @return if num and num2 are within the given tolerance of each other
      */
     private static boolean isWithinTolerance(final int num, final int num2, final int tolerance) {
          return num <= num2 + tolerance && num >= num2 - tolerance;
     }

}