package edu.stuy.goldfish; import java.awt.Canvas; import java.awt.Dimension; import java.awt.Graphics; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.MouseMotionListener; import java.awt.image.BufferStrategy; import java.awt.image.BufferedImage; import java.awt.image.DataBufferInt; import javax.swing.JFrame; public class Render extends Canvas implements Runnable, MouseListener, MouseMotionListener { private static final long serialVersionUID = 1L; public static String title = "Goldfish"; public static int width; public static int height; public static int scale; public static int max_fps = 15; private JFrame _frame; private BufferedImage _image; private Grid _grid; private int[] _pixels; private long _last_tick; public Render(int width, int height, Grid g) { addMouseListener(this); addMouseMotionListener(this); Render.width = width; Render.height = height; setScale(); _grid = g; _image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); _pixels = ((DataBufferInt) _image.getRaster().getDataBuffer()) .getData(); _last_tick = 0; Dimension size = new Dimension(width * scale, height * scale); setPreferredSize(size); setFrame(); } public Render(int width, int height) { this(width, height, new Grid(width, height)); } public Render() { this(256, 256); } private void setScale() { if (height <= 128 || width <= 128) { Render.scale = 4; } else if (height <= 256 || width <= 256) { Render.scale = 2; } else { Render.scale = 1; } } private void setFrame() { _frame = new JFrame(); _frame.setResizable(false); _frame.setTitle(title); _frame.add(this); _frame.pack(); _frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); _frame.setLocationRelativeTo(null); _frame.setVisible(true); } private void clear() { for (int x = 0; x < _pixels.length; x++) { _pixels[x] = 0; } } private void update() { for (int i = 0; i < width; i++) { for (int j = 0; j < height; j++) { draw(i, j, _grid.getPatch(i, j).getState() * 0xffffff); } } } public void run() { BufferStrategy bs; Graphics g; bs = getBufferStrategy(); if (bs == null) { createBufferStrategy(1); return; } clear(); update(); g = bs.getDrawGraphics(); g.drawImage(_image, 0, 0, getWidth(), getHeight(), null); g.dispose(); bs.show(); } public void sleep() { long since = System.currentTimeMillis() - _last_tick; if (since < 1000 / max_fps) { try { Thread.sleep(1000 / max_fps - since); } catch (InterruptedException e) { return; } } _last_tick = System.currentTimeMillis(); } public void setGrid(Grid g) { _grid = g; } public void draw(int x, int y, int color) { _pixels[x + y * width] = color; } @Override public void mouseDragged(MouseEvent e) { if (e.getX() < 0 || e.getY() < 0 || e.getX() / scale > width || e.getY() / scale > height) return; _grid.getPatch(e.getX() / scale, e.getY() / scale).setState(1); e.consume(); } @Override public void mouseClicked(MouseEvent e) { _grid.getPatch(e.getX() / scale, e.getY() / scale).setState(1); e.consume(); } @Override public void mouseEntered(MouseEvent e) { } @Override public void mouseExited(MouseEvent e) { } @Override public void mousePressed(MouseEvent e) { } @Override public void mouseReleased(MouseEvent e) { } @Override public void mouseMoved(MouseEvent e) { } }