package ca.colescheler.game;
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferStrategy;
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;
import javax.swing.JFrame;
import ca.colescheler.game.gfx.Screen;
import ca.colescheler.game.gfx.SpriteSheet;
@SuppressWarnings("unused")
public class Game extends Canvas implements Runnable {
/**
*
*/
private static final long serialVersionUID = 9086760045199246082L;
private BufferedImage image = new BufferedImage(WIDTH,HEIGHT,BufferedImage.TYPE_INT_RGB);
private int[] pixels = ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
public boolean running;
private static final long serialVesionUID = 1;
public static final int WIDTH = 160;
public static final int HEIGHT = WIDTH/12*9;
public static final int SCALE=3;
public static final String NAME="Game";
private JFrame frame;
int tickCount=1;
private SpriteSheet spriteSheet = new SpriteSheet("/sprite_sheet.png");
private Screen screen;
public static long getSerialvesionuid() {
return serialVesionUID;
}
public Game() {
setMinimumSize(new Dimension(WIDTH*SCALE,HEIGHT*SCALE));
setMaximumSize(new Dimension(WIDTH*SCALE,HEIGHT*SCALE));
setPreferredSize(new Dimension(WIDTH*SCALE,HEIGHT*SCALE));
frame = new JFrame(NAME);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(this, BorderLayout.CENTER);
frame.pack();
frame.setResizable(false);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public void init() {
screen = new Screen(WIDTH,HEIGHT,new SpriteSheet("/sprite_sheet.png"));
}
public void tick() {
tickCount++;
}
long now = System.nanoTime();
public synchronized void stop() {
// TODO Auto-generated method stub
}
public synchronized void start() {
// TODO Auto-generated method stub
//new Thread(this).start();
running = true;
run();
frames = 1;
ticks = 1;
}
static int frames = 0;
static int ticks = 0;
public void run() {
long lastTime = System.nanoTime();
double nsPerTick = 1000000000d/60d;
long lastTimer = System.currentTimeMillis();
double delta=0;
while (running) {
init();
long now = System.nanoTime();
delta += (now - lastTime) / nsPerTick;
lastTime = now;
boolean shouldRender = false;
while (delta >= 1) {
ticks++;
tick();
delta -= 1;
shouldRender = true;
}
if (shouldRender) {
render();
}
if (System.currentTimeMillis() - lastTimer > 1000) {
lastTimer += 1000;
System.out.println(frames + ", " + ticks);
frames=0;
ticks=0;
}
}
}
public void render() {
BufferStrategy bs = this.getBufferStrategy();
if (bs == null) {
this.createBufferStrategy(3);
return;
}
screen.render(pixels, 0, WIDTH);
Graphics g = bs.getDrawGraphics();
//g.drawRect(0, 0, getWidth(), getHeight());
//g.drawImage(image, 0, 0, getWidth(), getHeight(), null);
g.dispose();
bs.show();
}
public static void main(String args[]) {
new Game().start();
}
}
package ca.colescheler.game.gfx;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
public class SpriteSheet {
public String path;
public int width;
public int height;
public int[] pixels;
public SpriteSheet(String path) {
BufferedImage image = null;
try {
image = ImageIO.read(SpriteSheet.class.getResourceAsStream(path));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (image == null) {
return;
}
this.path = path;
this.width = image.getWidth();
this.height = image.getHeight();
pixels = image.getRGB(0, 0, width, height, null, 0, width);
//AARRGGBB
for (int i=0; i<pixels.length;i++) {
pixels[i] = (pixels[i] & 0xff)/64;
}
for(int i=0; i<8;i++) {
System.out.println(pixels[i]);
}
//85*0
}
}
package ca.colescheler.game.gfx;
public class Screen {
public static final int MAP_WIDTH = 64;
public static final int MAP_WIDTH_MASK = MAP_WIDTH - 1;
public int[] tiles = new int[MAP_WIDTH * MAP_WIDTH];
public int[] colours = new int[MAP_WIDTH * MAP_WIDTH * 4];
public int xOffset = 0;
public int yOffset = 0;
public int width;
public int height;
public SpriteSheet sheet;
public Screen(int width, int height, SpriteSheet sheet) {
this.width = width;
this.height = height;
this.sheet = sheet;
for (int i=1;i<MAP_WIDTH*MAP_WIDTH;i++) {
colours[i*4+0] = 0xff00ff;
colours[i*4+1] = 0x00ffff;
colours[i*4+2] = 0xffff00;
colours[i*4+3] = 0xffffff;
}
}
public void render(int[] pixels, int offset, int row) {
for (int yTile = yOffset>>3;yTile <-(yOffset + height) >>3; yTile++) {
int yMin = yTile * 8 - yOffset;
int yMax = yMin + 8;
if (yMin < 0) yMin = 0;
if (yMax > height) yMax = height;
for (int xTile = xOffset >>3; xTile <=(xOffset+width) >>3; xTile++) {
int xMin = xTile * 8 - xOffset;
int xMax = xMin + 8;
if (xMin < 0) xMin = 0;
if (xMax > width) xMax = height;
int tileIndex = (xTile &(MAP_WIDTH_MASK)) + (yTile & (MAP_WIDTH_MASK)) * MAP_WIDTH;
for (int y = yMin;y<yMax;y++) {
int sheetPixel = ((y+yOffset) & 7) * sheet.width + ((xMin + xOffset) & 7);
int tilePixel = offset + xMin + y * row;
for (int x=xMin; x<xMax;x++) {
int colour = tileIndex * 4 + sheet.pixels[sheetPixel++];
pixels[tilePixel++]=colours[colour];
}
}
}
}
}}
答案 0 :(得分：-1)
文件Screen.java中有一个错字。您应在以下行中将height更改为width：
if (xMax > width) xMax = height;