/** * Comment free (yay) source code for Left 4k Dead by Markus Persson * Please don't reuse any of this code in other projects. * http://www.mojang.com/notch/j4k/l4kd/ */ import java.applet.Applet; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import java.util.*; public class G extends Applet implements Runnable { private boolean[] k = new boolean[32767]; private int m; public void start() { enableEvents(AWTEvent.KEY_EVENT_MASK | AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK); new Thread(this).start(); } public void run() { BufferedImage image = new BufferedImage(240, 240, BufferedImage.TYPE_INT_RGB); Graphics ogr = image.getGraphics(); Random random = new Random(); int[] pixels = ((DataBufferInt) image.getRaster().getDataBuffer()).getData(); int[] sprites = new int[18 * 4 * 16 * 12 * 12]; int pix = 0; for (int i = 0; i < 18; i++) { int skin = 0xFF9993; int clothes = 0xFFffff; if (i > 0) { skin = 0xa0ff90; clothes = (random.nextInt(0x1000000) & 0x7f7f7f); } for (int t = 0; t < 4; t++) { for (int d = 0; d < 16; d++) { double dir = d * Math.PI * 2 / 16.0; if (t == 1) dir += 0.5 * Math.PI * 2 / 16.0; if (t == 3) dir -= 0.5 * Math.PI * 2 / 16.0; // if (i == 17) // { // dir = d * Math.PI * 2 / 64; //} double cos = Math.cos(dir); double sin = Math.sin(dir); for (int y = 0; y < 12; y++) { int col = 0x000000; for (int x = 0; x < 12; x++) { int xPix = (int) (cos * (x - 6) + sin * (y - 6) + 6.5); int yPix = (int) (cos * (y - 6) - sin * (x - 6) + 6.5); if (i == 17) { if (xPix > 3 && xPix < 9 && yPix > 3 && yPix < 9) { col = 0xff0000 + (t & 1) * 0xff00; } } else { if (t == 1 && xPix > 1 && xPix < 4 && yPix > 3 && yPix < 8) col = skin; if (t == 3 && xPix > 8 && xPix < 11 && yPix > 3 && yPix < 8) col = skin; if (xPix > 1 && xPix < 11 && yPix > 5 && yPix < 8) { col = clothes; } if (xPix > 4 && xPix < 8 && yPix > 4 && yPix < 8) { col = skin; } } sprites[pix++] = col; if (col > 1) { col = 1; } else { col = 0; } } } } } } int score = 0; int hurtTime = 0; int bonusTime = 0; int xWin0 = 0; int yWin0 = 0; int xWin1 = 0; int yWin1 = 0; restart: while (true) { boolean gameStarted = false; int level = 0; int shootDelay = 0; int rushTime = 150; int damage = 20; int ammo = 20; int clips = 20; winLevel: while (true) { int tick = 0; level++; int[] map = new int[1024 * 1024]; random = new Random(4329+level); int[] monsterData = new int[320 * 16]; { int i = 0; for (int y = 0; y < 1024; y++) for (int x = 0; x < 1024; x++) { int br = random.nextInt(32) + 112; map[i] = (br / 3) << 16 | (br) << 8; if (x < 4 || y < 4 || x >= 1020 || y >= 1020) { map[i] = 0xFFFEFE; } i++; } for (i = 0; i < 70; i++) { int w = random.nextInt(8) + 2; int h = random.nextInt(8) + 2; int xm = random.nextInt(64 - w - 2) + 1; int ym = random.nextInt(64 - h - 2) + 1; w *= 16; h *= 16; w += 5; h += 5; xm *= 16; ym *= 16; if (i==68) { monsterData[0] = xm+w/2; monsterData[1] = ym+h/2; monsterData[15] = 0x808080; monsterData[11] = 1; } xWin0 = xm+5; yWin0 = ym+5; xWin1 = xm + w-5; yWin1 = ym + h-5; for (int y = ym; y < ym + h; y++) for (int x = xm; x < xm + w; x++) { int d = x - xm; if (xm + w - x - 1 < d) d = xm + w - x - 1; if (y - ym < d) d = y - ym; if (ym + h - y - 1 < d) d = ym + h - y - 1; map[x + y * 1024] = 0xFF8052; if (d > 4) { int br = random.nextInt(16) + 112; if (((x + y) & 3) == 0) { br += 16; } map[x + y * 1024] = (br * 3 / 3) << 16 | (br * 4 / 4) << 8 | (br * 4 / 4); } if (i == 69) { map[x + y * 1024] &= 0xff0000; } } for (int j = 0; j < 2; j++) { int xGap = random.nextInt(w - 24) + xm + 5; int yGap = random.nextInt(h - 24) + ym + 5; int ww = 5; int hh = 5; xGap = xGap / 16 * 16 + 5; yGap = yGap / 16 * 16 + 5; if (random.nextInt(2) == 0) { xGap = xm + (w - 5) * random.nextInt(2); hh = 11; } else { ww = 11; yGap = ym + (h - 5) * random.nextInt(2); } for (int y = yGap; y < yGap + hh; y++) for (int x = xGap; x < xGap + ww; x++) { int br = random.nextInt(32) + 112 - 64; map[x + y * 1024] = (br * 3 / 3) << 16 | (br * 4 / 4) << 8 | (br * 4 / 4); } } } for (int y = 1; y < 1024 - 1; y++) inloop: for (int x = 1; x < 1024 - 1; x++) { for (int xx = x - 1; xx <= x + 1; xx++) for (int yy = y - 1; yy <= y + 1; yy++) if (map[xx + yy * 1024] < 0xff0000) continue inloop; map[x + y * 1024] = 0xffffff; } } long lastTime = System.nanoTime(); int[] lightmap = new int[240 * 240]; int[] brightness = new int[512]; double offs = 30; double playerDir = 0; for (int i = 0; i < 512; i++) { brightness[i] = (int) (255.0 * offs / (i + offs)); if (i < 4) brightness[i] = brightness[i] * i / 4; } Graphics sg = getGraphics(); random = new Random(); while (true) { if (gameStarted) { tick++; rushTime++; if (rushTime >= 150) { rushTime = -random.nextInt(2000); } // Move player: int mouse = m; playerDir = Math.atan2(mouse / 240 - 120, mouse % 240 - 120); double shootDir = playerDir + (random.nextInt(100) - random.nextInt(100)) / 100.0 * 0.2; double cos = Math.cos(-shootDir); double sin = Math.sin(-shootDir); int xCam = monsterData[0]; int yCam = monsterData[1]; for (int i = 0; i < 960; i++) { int xt = i % 240 - 120; int yt = (i / 240 % 2) * 239 - 120; if (i >= 480) { int tmp = xt; xt = yt; yt = tmp; } double dd = Math.atan2(yt, xt) - playerDir; if (dd < -Math.PI) dd += Math.PI * 2; if (dd >= Math.PI) dd -= Math.PI * 2; int brr = (int) ((1 - dd * dd) * 255); int dist = 120; if (brr < 0) { brr = 0; dist = 32; } if (tick < 60) brr = brr * tick / 60; int j = 0; for (; j < dist; j++) { int xx = xt * j / 120 + 120; int yy = yt * j / 120 + 120; int xm = xx + xCam - 120; int ym = yy + yCam - 120; if (map[(xm + ym * 1024) & (1024 * 1024 - 1)] == 0xffffff) break; int xd = (xx - 120) * 256 / 120; int yd = (yy - 120) * 256 / 120; int ddd = (xd * xd + yd * yd) / 256; int br = brightness[ddd] * brr / 255; if (ddd < 16) { int tmp = 128 * (16 - ddd) / 16; br = br + tmp * (255 - br) / 255; } lightmap[xx + yy * 240] = br; } } for (int y = 0; y < 240; y++) { int xm = xCam - 120; int ym = y + yCam - 120; for (int x = 0; x < 240; x++) { pixels[x + y * 240] = map[(xm + x + ym * 1024) & (1024 * 1024 - 1)]; } } int closestHitDist = 0; for (int j = 0; j < 250; j++) { int xm = xCam + (int) (cos * j / 2); int ym = yCam - (int) (sin * j / 2); if (map[(xm + ym * 1024) & (1024 * 1024 - 1)] == 0xffffff) break; closestHitDist = j / 2; } boolean shoot = shootDelay-- < 0 && k[1]; { int closestHit = 0; nextMonster: for (int m = 0; m < 256 + 16; m++) { int xPos = monsterData[m * 16 + 0]; int yPos = monsterData[m * 16 + 1]; if (monsterData[m * 16 + 11] == 0) { xPos = (random.nextInt(62) + 1) * 16 + 8; yPos = (random.nextInt(62) + 1) * 16 + 8; int xd = xCam - xPos; int yd = yCam - yPos; if (xd * xd + yd * yd < 180 * 180) { xPos = 1; yPos = 1; } if (map[xPos + yPos * 1024] < 0xfffffe && (m <= 128 || rushTime > 0 || (m > 255 && tick == 1))) { monsterData[m * 16 + 0] = xPos; monsterData[m * 16 + 1] = yPos; monsterData[m * 16 + 15] = map[xPos + yPos * 1024]; map[xPos + yPos * 1024] = 0xfffffe; monsterData[m * 16 + 9] = (rushTime > 0 || random.nextInt(3) == 0) ? 127 : 0; monsterData[m * 16 + 11] = 1; monsterData[m * 16 + 2] = m & 15; } else { continue; } } else { int xd = xPos - xCam; int yd = yPos - yCam; if (m >= 255) { if (xd * xd + yd * yd < 8 * 8) { map[xPos + yPos * 1024] = monsterData[m * 16 + 15]; monsterData[m * 16 + 11] = 0; bonusTime = 120; if ((m & 1) == 0) { damage = 20; } else { clips = 20; } continue; } } else if (xd * xd + yd * yd > 340 * 340) { map[xPos + yPos * 1024] = monsterData[m * 16 + 15]; monsterData[m * 16 + 11] = 0; continue; } } int xm = xPos - xCam + 120; int ym = monsterData[m * 16 + 1] - yCam + 120; int d = monsterData[m * 16 + 2]; if (m == 0) { d = (((int) (playerDir / (Math.PI * 2) * 16 + 4.5 + 16)) & 15); } d += ((monsterData[m * 16 + 3] / 4) & 3) * 16; int p = (0 * 16 + d) * 144; if (m > 0) { p += ((m & 15) + 1) * 144 * 16 * 4; } if (m > 255) { p = (17 * 4 * 16 + ((m & 1) * 16 + (tick & 15))) * 144; } for (int y = ym - 6; y < ym + 6; y++) for (int x = xm - 6; x < xm + 6; x++) { int c = sprites[p++]; if (c > 0 && x >= 0 && y >= 0 && x < 240 && y < 240) { pixels[x + y * 240] = c; } } boolean moved = false; if (monsterData[m * 16 + 10] > 0) { monsterData[m * 16 + 11] += random.nextInt(3) + 1; monsterData[m * 16 + 10] = 0; double rot = 0.25; int amount = 8; double poww = 32; if (monsterData[m * 16 + 11] >= 2+level) { rot = Math.PI * 2; amount = 60; poww = 16; map[(xPos) + (yPos) * 1024] = 0xa00000; monsterData[m * 16 + 11] = 0; score += level; } for (int i = 0; i < amount; i++) { double pow = (random.nextInt(100) * random.nextInt(100)) * poww / 10000+4; double dir = (random.nextInt(100) - random.nextInt(100)) / 100.0 * rot; double xdd = (Math.cos(playerDir + dir) * pow) + random.nextInt(4) - random.nextInt(4); double ydd = (Math.sin(playerDir + dir) * pow) + random.nextInt(4) - random.nextInt(4); int col = (random.nextInt(128) + 120); bloodLoop: for (int j = 2; j < pow; j++) { int xd = (int) (xPos + xdd * j / pow); int yd = (int) (yPos + ydd * j / pow); int pp = ((xd) + (yd) * 1024) & (1024 * 1024 - 1); if (map[pp] >= 0xff0000) break bloodLoop; if (random.nextInt(2) != 0) { map[pp] = col << 16; col = col * 8 / 9; } } } continue nextMonster; } int xPlayerDist = xCam - xPos; int yPlayerDist = yCam - yPos; if (m <= 255) { double rx = -(cos * xPlayerDist - sin * yPlayerDist); double ry = cos * yPlayerDist + sin * xPlayerDist; if (rx > -6 && rx < 6 && ry > -6 && ry < 6 && m > 0) { damage++; hurtTime += 20; } if (rx > -32 && rx < 220 && ry > -32 && ry < 32 && random.nextInt(10) == 0) { monsterData[m * 16 + 9]++; } if (rx > 0 && rx < closestHitDist && ry > -8 && ry < 8) { closestHitDist = (int) (rx); closestHit = m; } dirLoop: for (int i = 0; i < 2; i++) { int xa = 0; int ya = 0; xPos = monsterData[m * 16 + 0]; yPos = monsterData[m * 16 + 1]; if (m == 0) { if (k[KeyEvent.VK_A]) xa--; if (k[KeyEvent.VK_D]) xa++; if (k[KeyEvent.VK_W]) ya--; if (k[KeyEvent.VK_S]) ya++; } else { if (monsterData[m * 16 + 9] < 8) continue nextMonster; if (monsterData[m * 16 + 8] != 12) { xPlayerDist = (monsterData[m * 16 + 8]) % 5 - 2; yPlayerDist = (monsterData[m * 16 + 8]) / 5 - 2; if (random.nextInt(10) == 0) { monsterData[m * 16 + 8] = 12; } } double xxd = Math.sqrt(xPlayerDist * xPlayerDist); double yyd = Math.sqrt(yPlayerDist * yPlayerDist); if (random.nextInt(1024) / 1024.0 < yyd / xxd) { if (yPlayerDist < 0) ya--; if (yPlayerDist > 0) ya++; } if (random.nextInt(1024) / 1024.0 < xxd / yyd) { if (xPlayerDist < 0) xa--; if (xPlayerDist > 0) xa++; } moved = true; double dir = Math.atan2(yPlayerDist, xPlayerDist); monsterData[m * 16 + 2] = (((int) (dir / (Math.PI * 2) * 16 + 4.5 + 16)) & 15); } ya *= i; xa *= 1 - i; if (xa != 0 || ya != 0) { map[xPos + yPos * 1024] = monsterData[m * 16 + 15]; for (int xx = xPos + xa - 3; xx <= xPos + xa + 3; xx++) for (int yy = yPos + ya - 3; yy <= yPos + ya + 3; yy++) if (map[xx + yy * 1024] >= 0xfffffe) { map[xPos + yPos * 1024] = 0xfffffe; monsterData[m * 16 + 8] = random.nextInt(25); continue dirLoop; } moved = true; monsterData[m * 16 + 0] += xa; monsterData[m * 16 + 1] += ya; monsterData[m * 16 + 15] = map[(xPos + xa) + (yPos + ya) * 1024]; map[(xPos + xa) + (yPos + ya) * 1024] = 0xfffffe; } } if (moved) { monsterData[m * 16 + 3]++; } } } if (shoot) { if (ammo >= 220) { shootDelay = 2; k[1] = false; } else { shootDelay = 1; ammo += 4; } if (closestHit > 0) { monsterData[closestHit * 16 + 10] = 1; monsterData[closestHit * 16 + 9] = 127; } int glow = 0; for (int j = closestHitDist; j >= 0; j--) { int xm = +(int) (cos * j) + 120; int ym = -(int) (sin * j) + 120; if (xm > 0 && ym > 0 && xm < 240 && ym < 240) { if (random.nextInt(20) == 0 || j == closestHitDist) { pixels[xm + ym * 240] = 0xffffff; glow = 200; } lightmap[xm + ym * 240] += glow * (255 - lightmap[xm + ym * 240]) / 255; } glow = glow * 20 / 21; } if (closestHitDist < 120) { closestHitDist -= 3; int xx = (int) (120 + cos * closestHitDist); int yy = (int) (120 - sin * closestHitDist); for (int x = -12; x <= 12; x++) { for (int y = -12; y <= 12; y++) { int xd = xx + x; int yd = yy + y; if (xd >= 0 && yd >= 0 && xd < 240 && yd < 240) { lightmap[xd + yd * 240] += 2000 / (x * x + y * y + 10) * (255 - lightmap[xd + yd * 240]) / 255; } } } for (int i = 0; i < 10; i++) { double pow = random.nextInt(100) * random.nextInt(100) * 8.0 / 10000; double dir = (random.nextInt(100) - random.nextInt(100)) / 100.0; int xd = (int) (xx - Math.cos(playerDir + dir) * pow) + random.nextInt(4) - random.nextInt(4); int yd = (int) (yy - Math.sin(playerDir + dir) * pow) + random.nextInt(4) - random.nextInt(4); if (xd >= 0 && yd >= 0 && xd < 240 && yd < 240) { if (closestHit > 0) { pixels[xd + yd * 240] = 0xff0000; } else { pixels[xd + yd * 240] = 0xcacaca; } } } } } } if (damage >= 220) { k[1] = false; hurtTime = 255; continue restart; } if (k[KeyEvent.VK_R] && ammo > 20 && clips < 220) { shootDelay = 30; ammo = 20; clips += 10; } if (xCam > xWin0 && xCam < xWin1 && yCam > yWin0 && yCam < yWin1) { continue winLevel; } } bonusTime = bonusTime * 8 / 9; hurtTime /= 2; for (int y = 0; y < 240; y++) { for (int x = 0; x < 240; x++) { int noise = random.nextInt(16) * random.nextInt(16) / 16; if (!gameStarted) noise *= 4; int c = pixels[x + y * 240]; int l = lightmap[x + y * 240]; lightmap[x + y * 240] = 0; int r = ((c >> 16) & 0xff) * l / 255 + noise; int g = ((c >> 8) & 0xff) * l / 255 + noise; int b = ((c) & 0xff) * l / 255 + noise; r = r * (255 - hurtTime) / 255 + hurtTime; g = g * (255 - bonusTime) / 255 + bonusTime; pixels[x + y * 240] = r << 16 | g << 8 | b; } if (y % 2 == 0 && (y >= damage && y < 220)) { for (int x = 232; x < 238; x++) { pixels[y * 240 + x] = 0x800000; } } if (y % 2 == 0 && (y >= ammo && y < 220)) { for (int x = 224; x < 230; x++) { pixels[y * 240 + x] = 0x808000; } } if (y % 10 < 9 && (y >= clips && y < 220)) { for (int x = 221; x < 222; x++) { pixels[y * 240 + 221] = 0xffff00; } } } ogr.drawString("" + score, 4, 232); if (!gameStarted) { ogr.drawString("Left 4k Dead", 80, 70); if (k[1] && hurtTime == 0) { score = 0; gameStarted = true; k[1] = false; } } else if (tick < 60) { ogr.drawString("Level " + level, 90, 70); } sg.drawImage(image, 0, 0, 480, 480, 0, 0, 240, 240, null); do { Thread.yield(); } while (System.nanoTime() - lastTime < 0); if (!isActive()) return; lastTime += (1000000000 / 30); } } } } public void processEvent(AWTEvent e) { boolean down = false; switch (e.getID()) { case KeyEvent.KEY_PRESSED: down = true; case KeyEvent.KEY_RELEASED: k[((KeyEvent) e).getKeyCode()] = down; break; case MouseEvent.MOUSE_PRESSED: down = true; case MouseEvent.MOUSE_RELEASED: k[((MouseEvent) e).getButton()] = down; case MouseEvent.MOUSE_MOVED: case MouseEvent.MOUSE_DRAGGED: m = ((MouseEvent) e).getX() / 2 + ((MouseEvent) e).getY() / 2 * 240; } } }