cvs.zerfleddert.de Git - FreeShisen/blob - src/de/cwde/freeshisen/ShisenShoView.java

   1 package de.cwde.freeshisen;
   2
   3 import java.util.List;
   4 import java.util.Locale;
   5 import java.util.Timer;
   6 import java.util.TimerTask;
   7
   8 import android.app.Activity;
   9 import android.content.Context;
  10 import android.graphics.Bitmap;
  11 import android.graphics.BitmapFactory;
  12 import android.graphics.Canvas;
  13 import android.graphics.Color;
  14 import android.graphics.Matrix;
  15 import android.graphics.Paint;
  16 import android.graphics.Paint.Align;
  17 import android.graphics.Paint.Cap;
  18 import android.graphics.Paint.Join;
  19 import android.graphics.Paint.Style;
  20 import android.graphics.Rect;
  21 import android.graphics.Typeface;
  22 import android.os.Handler;
  23 import android.os.Message;
  24 import android.view.MenuItem;
  25 import android.view.MotionEvent;
  26 import android.view.SurfaceHolder;
  27 import android.view.SurfaceView;
  28
  29 class ShisenShoView extends SurfaceView implements SurfaceHolder.Callback {
  30
  31         private enum StatePlay { UNINITIALIZED, IDLE, SELECTED1, SELECTED2, GAMEOVER };
  32         private enum StatePaint { BOARD, SELECTED1, SELECTED2, MATCHED, WIN, LOSE, HINT, TIME };
  33
  34         private int screenWidth;
  35         private int screenHeight;
  36         private int tilesetRows;
  37         private int tilesetCols;
  38         private int tileHeight;
  39         private int tileWidth;
  40         private Bitmap bg;
  41         private Bitmap tile[];
  42         private int[] selection1=new int[2];
  43         private int[] selection2=new int[2];
  44         private List<Point> path=null;
  45         private List<Line> pairs=null;
  46         private long startTime;
  47         private long playTime;
  48         private long baseTime;
  49         private Timer timer;
  50         private static Handler timerHandler;
  51
  52         private boolean timerRegistered=false;
  53         private ShisenSho app;
  54         private StatePlay cstate;
  55         private StatePaint pstate;
  56         private Canvas canvas = null;
  57         private SurfaceHolder surfaceHolder = null;
  58         public ShisenShoView(ShisenSho shishenSho) {
  59                 super((Context)shishenSho);
  60                 this.app = shishenSho;
  61                 cstate = StatePlay.UNINITIALIZED;
  62                 surfaceHolder = getHolder();
  63                 surfaceHolder.addCallback(this);
  64         }
  65
  66         public ShisenShoView(Context ctx) {
  67                 super((Context)ctx);
  68                 // silence lint?
  69         }
  70
  71         private void paint(StatePaint pstate) {
  72                 this.pstate=pstate;
  73                 repaint();
  74         }
  75
  76         private void control(StatePlay cstate) {
  77                 this.cstate=cstate;
  78         }
  79
  80         private void loadTileset() {
  81                 BitmapFactory.Options ops = new BitmapFactory.Options();
  82                 ops.inScaled = false;
  83                 Bitmap tileset = BitmapFactory.decodeResource(getResources(), R.drawable.tileset, ops);
  84                 tileset.setDensity(Bitmap.DENSITY_NONE);
  85
  86                 // The tile set has 4 rows x 9 columns
  87                 tilesetRows = 4;
  88                 tilesetCols = 9;
  89                 int loadedtileWidth = tileset.getWidth()/tilesetCols;
  90                 int loadedtileHeight = tileset.getHeight()/tilesetRows;
  91                 tile = new Bitmap[tilesetRows*tilesetCols];
  92
  93                 // align to screen:
  94                 // "large" is 16x6, and we want to have a nice border, so we use 17x7 and
  95                 // choose the lowest scale so everything fits
  96                 float scalex = ((float) screenWidth/17) / loadedtileWidth;
  97                 float scaley = ((float) screenHeight/7) / loadedtileHeight;
  98                 if (scaley < scalex) {
  99                         scalex = scaley;
 100                 } else {
 101                         scaley = scalex;
 102                 }
 103                 Matrix matrix = new Matrix();
 104                 matrix.setScale(scalex, scaley);
 105
 106                 int k=0;
 107                 for (int i=0; i<tilesetRows; i++) {
 108                         for (int j=0; j<tilesetCols; j++) {
 109                                 tile[k] = Bitmap.createBitmap(tileset, j*loadedtileWidth, i*loadedtileHeight,
 110                                                 loadedtileWidth, loadedtileHeight, matrix, false);
 111                                 tile[k].setDensity(Bitmap.DENSITY_NONE);
 112                                 k++;
 113                         }
 114                 }
 115                 tileWidth = tile[0].getWidth();
 116                 tileHeight = tile[0].getHeight();
 117         }
 118
 119         private void loadBackground() {
 120                 BitmapFactory.Options ops = new BitmapFactory.Options();
 121                 ops.inScaled = false;
 122                 bg = BitmapFactory.decodeResource(getResources(), R.drawable.kshisen_bgnd, ops);
 123                 bg.setDensity(Bitmap.DENSITY_NONE);
 124         }
 125
 126         private void registerTimer() {
 127                 if (timer!=null) return; // Already registered
 128                 timerHandler = new Handler() {
 129                         public void handleMessage(Message msg) {
 130                                 onUpdateTime();
 131                         }
 132                 };
 133                 timer=new Timer();
 134                 timer.scheduleAtFixedRate(new TimerTask() {
 135                         public void run() {
 136                                 timerHandler.sendEmptyMessage(Activity.RESULT_OK);
 137                         }
 138                 }, 0, 1000);
 139                 timerRegistered=true;
 140         }
 141
 142         private void unregisterTimer() {
 143                 if (timer==null) return; // Already unregistered
 144                 timer.cancel();
 145                 timer = null;
 146                 timerHandler = null;
 147                 timerRegistered=false;
 148         }
 149
 150         public void pauseTime() {
 151                 updateTime();
 152                 baseTime = playTime;
 153                 startTime = System.currentTimeMillis();
 154
 155         }
 156
 157         public void resumeTime() {
 158                 startTime = System.currentTimeMillis();
 159                 updateTime();
 160         }
 161
 162         private void updateTime() {
 163                 if (cstate!=StatePlay.GAMEOVER) {
 164                         playTime = (System.currentTimeMillis()-startTime)/1000+baseTime;
 165                 }
 166         }
 167
 168         private void initializeGame() {
 169                 loadBackground();
 170                 screenWidth=getWidth();
 171                 screenHeight=getHeight();
 172                 loadTileset();
 173                 //undo.sensitive=false;
 174                 pstate=StatePaint.BOARD;
 175                 app.newPlay();
 176                 control(StatePlay.IDLE);
 177                 startTime=System.currentTimeMillis();
 178                 playTime=0;
 179                 baseTime=0;
 180                 if (app.timeCounter && !timerRegistered) {
 181                         registerTimer();
 182                 }
 183                 pairs=app.board.getPairs(1);
 184         }
 185
 186         public boolean onOptionsItemSelected(MenuItem item) {
 187                 // Handle item selection
 188                 switch (item.getItemId()) {
 189                 case R.id.hint:
 190                         this.postDelayed(new Runnable() { public void run() { onHintActivate(); } }, 100);
 191                         return true;
 192                 case R.id.undo:
 193                         this.postDelayed(new Runnable() { public void run() { onUndoActivate(); } }, 100);
 194                         return true;
 195                 case R.id.clean:
 196                         this.postDelayed(new Runnable() { public void run() { reset(); } }, 100);
 197                         return true;
 198                 case R.id.options:
 199                         return true;
 200                 case R.id.about:
 201                         return true;
 202                 default:
 203                         return false;
 204                 }
 205         }
 206
 207         public void reset() {
 208                 control(StatePlay.UNINITIALIZED);
 209                 paint(StatePaint.BOARD);
 210         }
 211
 212         private void onHintActivate() {
 213                 if (cstate!=StatePlay.GAMEOVER) {
 214                         pairs=app.board.getPairs(1);
 215                         paint(StatePaint.HINT);
 216                         app.sleep(10);
 217                         paint(StatePaint.BOARD);
 218                         control(StatePlay.IDLE);
 219                 }
 220         }
 221
 222         private void onUndoActivate() {
 223                 if (app.board.getCanUndo()) {
 224                         if (cstate==StatePlay.GAMEOVER && app.timeCounter && !timerRegistered) {
 225                                 // Reprogram the time update that had been
 226                                 // deactivated with the game over status
 227                                 registerTimer();
 228                         }
 229                         app.board.undo();
 230                         paint(StatePaint.BOARD);
 231                         //undo.sensitive=app.board.getCanUndo();
 232                         control(StatePlay.IDLE);
 233                 }
 234         }
 235
 236         public void onTimeCounterActivate() {
 237                 if (app.timeCounter && cstate!=StatePlay.GAMEOVER && !timerRegistered) {
 238                         // Reprogram the time update that had been
 239                         // deactivated with the time_counter=false
 240                         registerTimer();
 241                 }
 242         }
 243
 244         private void onUpdateTime() {
 245                 paint(pstate);
 246                 if (!(app.timeCounter && cstate!=StatePlay.GAMEOVER)) {
 247                         unregisterTimer();
 248                 }
 249         }
 250
 251         @SuppressWarnings("deprecation")
 252         public void drawMessage(Canvas canvas, int x, int y, boolean centered, String message, String color, float textSize)  {
 253                 Paint paint = new Paint();
 254                 paint.setColor(Color.parseColor(color));
 255                 paint.setLinearText(true);
 256                 paint.setAntiAlias(true);
 257                 paint.setTextAlign(centered?Align.CENTER:Align.LEFT);
 258                 paint.setTypeface(Typeface.SANS_SERIF);
 259                 paint.setFakeBoldText(true);
 260                 paint.setTextSize(textSize);
 261                 canvas.drawText(message, x, y, paint);
 262         }
 263
 264         public void repaint() {
 265                 if (surfaceHolder == null) return;
 266                 try {
 267                         if (canvas == null) canvas = surfaceHolder.lockCanvas(null);
 268                         if (canvas == null) return;
 269                         if (cstate==StatePlay.UNINITIALIZED) initializeGame();
 270                         synchronized (surfaceHolder) {
 271                                 doDraw(canvas);
 272                         }
 273                 } finally {
 274                         if (canvas != null) {
 275                                 surfaceHolder.unlockCanvasAndPost(canvas);
 276                                 canvas = null;
 277                         }
 278                 }
 279         }
 280
 281         protected void doDraw(Canvas canvas) {
 282                 try {
 283                         // Double buffering
 284                         // Bitmap buffer = Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
 285                         //Canvas cbuffer = new Canvas(buffer);
 286                         Canvas cbuffer = canvas;
 287                         if (canvas == null) return;
 288
 289                         //super.onDraw(canvas);
 290
 291                         // Board upper left corner on screen
 292                         int x0=0;
 293                         int y0=0;
 294
 295                         if (app!=null && app.board!=null) {
 296                                 x0=(screenWidth-app.board.boardSize[1]*tileWidth)/2;
 297                                 y0=(screenHeight-app.board.boardSize[0]*tileHeight)/2;
 298                         }
 299
 300                         int red = Color.parseColor("#FF0000");
 301                         int orange = Color.parseColor("#F0C000");
 302                         Paint paint = new Paint();
 303                         paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 304
 305                         // Background & board painting
 306                         switch (pstate) {
 307                         case BOARD:
 308                         case SELECTED1:
 309                         case SELECTED2:
 310                         case MATCHED:
 311                         case WIN:
 312                         case LOSE:
 313                         case HINT:
 314                         case TIME:
 315                                 // Background painting
 316                                 int bgWidth = bg.getWidth();
 317                                 int bgHeight = bg.getHeight();
 318                                 for (int i=0; i<screenHeight/bgHeight+1; i++) {
 319                                         for (int j=0; j<screenWidth/bgWidth+1; j++) {
 320                                                 cbuffer.drawBitmap(bg, j*bgWidth, i*bgHeight, paint);
 321                                         }
 322                                 }
 323
 324                                 // Board painting
 325                                 // Max visible size: 7x17
 326                                 if (app!=null && app.board!=null) {
 327                                         for (int i=0;i<app.board.boardSize[0];i++) {
 328                                                 for (int j=0;j<app.board.boardSize[1];j++) {
 329                                                         // Tiles are 56px height, 40px width each
 330                                                         char piece=app.board.board[i][j];
 331                                                         if (piece!=0) {
 332                                                                 cbuffer.drawBitmap(tile[piece], x0+j*tileWidth, y0+i*tileHeight, paint);
 333                                                         }
 334                                                 }
 335                                         }
 336                                 }
 337                                 break;
 338                         }
 339
 340                         // Red rectangle for selection 1
 341                         switch (pstate) {
 342                         case SELECTED1:
 343                         case SELECTED2:
 344                         case MATCHED:
 345                                 paint.setColor(red);
 346                                 paint.setStyle(Style.STROKE);
 347                                 paint.setStrokeCap(Cap.ROUND);
 348                                 paint.setStrokeJoin(Join.ROUND);
 349                                 paint.setStrokeWidth(3);
 350                                 cbuffer.drawRect(new Rect(
 351                                                 x0+selection1[1]*tileWidth-2,
 352                                                 y0+selection1[0]*tileHeight-2,
 353                                                 x0+selection1[1]*tileWidth-2+tileWidth+2*2,
 354                                                 y0+selection1[0]*tileHeight-2+tileHeight+2*2),
 355                                                 paint);
 356                                 break;
 357                         }
 358
 359                         // Red rectangle for selection 2
 360                         switch (pstate) {
 361                         case SELECTED2:
 362                         case MATCHED:
 363                                 paint.setColor(red);
 364                                 paint.setStyle(Style.STROKE);
 365                                 paint.setStrokeCap(Cap.ROUND);
 366                                 paint.setStrokeJoin(Join.ROUND);
 367                                 paint.setStrokeWidth(3);
 368                                 cbuffer.drawRect(new Rect(
 369                                                 x0+selection2[1]*tileWidth-2,
 370                                                 y0+selection2[0]*tileHeight-2,
 371                                                 x0+selection2[1]*tileWidth-2+tileWidth+2*2,
 372                                                 y0+selection2[0]*tileHeight-2+tileHeight+2*2),
 373                                                 paint);
 374                                 break;
 375                         }
 376
 377                         // Matching path
 378                         switch (pstate) {
 379                         case MATCHED:
 380                                 paint.setColor(red);
 381                                 paint.setStyle(Style.STROKE);
 382                                 paint.setStrokeCap(Cap.ROUND);
 383                                 paint.setStrokeJoin(Join.ROUND);
 384                                 paint.setStrokeWidth(3);
 385
 386                                 if (path!=null) {
 387                                         Point p0=null;
 388                                         for (Point p1 : path) {
 389                                                 if (p0!=null) {
 390                                                         cbuffer.drawLine(
 391                                                                         x0+p0.j*tileWidth-2+(tileWidth/2),
 392                                                                         y0+p0.i*tileHeight-2+(tileHeight/2),
 393                                                                         x0+p1.j*tileWidth-2+(tileWidth/2),
 394                                                                         y0+p1.i*tileHeight-2+(tileHeight/2),
 395                                                                         paint);
 396                                                 }
 397                                                 p0=p1;
 398                                         }
 399                                 }
 400                                 break;
 401                         }
 402
 403                         // Orange hint rectangles
 404                         switch (pstate) {
 405                         case HINT:
 406                                 if (pairs!=null && pairs.size()>0) {
 407                                         Line pair=pairs.get(0);
 408                                         Point a=pair.a;
 409                                         Point b=pair.b;
 410                                         path=app.board.getPath(a,b);
 411                                         paint.setColor(orange);
 412                                         paint.setStyle(Style.STROKE);
 413                                         paint.setStrokeCap(Cap.ROUND);
 414                                         paint.setStrokeJoin(Join.ROUND);
 415                                         paint.setStrokeWidth(3);
 416
 417                                         cbuffer.drawRect(new Rect(
 418                                                         x0+a.j*tileWidth-2,
 419                                                         y0+a.i*tileHeight-2,
 420                                                         x0+a.j*tileWidth-2+tileWidth+2*2,
 421                                                         y0+a.i*tileHeight-2+tileHeight+2*2),
 422                                                         paint);
 423
 424                                         if (path!=null) {
 425                                                 Point p0=null;
 426                                                 for (Point p1 : path) {
 427                                                         if (p0!=null) {
 428                                                                 cbuffer.drawLine(
 429                                                                                 x0+p0.j*tileWidth-2+(tileWidth/2),
 430                                                                                 y0+p0.i*tileHeight-2+(tileHeight/2),
 431                                                                                 x0+p1.j*tileWidth-2+(tileWidth/2),
 432                                                                                 y0+p1.i*tileHeight-2+(tileHeight/2),
 433                                                                                 paint);
 434                                                         }
 435                                                         p0=p1;
 436                                                 }
 437                                                 path=null;
 438                                         }
 439
 440                                         cbuffer.drawRect(new Rect(
 441                                                         x0+b.j*tileWidth-2,
 442                                                         y0+b.i*tileHeight-2,
 443                                                         x0+b.j*tileWidth-2+tileWidth+2*2,
 444                                                         y0+b.i*tileHeight-2+tileHeight+2*2),
 445                                                         paint);
 446                                 }
 447                                 break;
 448                         }
 449
 450                         // Win & loose notifications
 451                         switch (pstate) {
 452                         case WIN:
 453                                 drawMessage(cbuffer, screenWidth/2,screenHeight/2,true,"You Win!", "#FFFFFF", 100);
 454                                 break;
 455                         case LOSE:
 456                                 drawMessage(cbuffer, screenWidth/2,screenHeight/2,true,"Game Over", "#FFFFFF", 100);
 457                                 break;
 458                         }
 459
 460                         if (app.timeCounter) switch (pstate) {
 461                         case BOARD:
 462                         case SELECTED1:
 463                         case SELECTED2:
 464                         case MATCHED:
 465                         case WIN:
 466                         case LOSE:
 467                         case HINT:
 468                         case TIME:
 469                                 updateTime();
 470                                 int hours=(int)(playTime/(60*60));
 471                                 int minutes=(int)((playTime/60)%60);
 472                                 int seconds=(int)(playTime%60);
 473                                 String time=String.format(Locale.US, "%01d:%02d:%02d", hours, minutes, seconds);
 474
 475                                 int timePosX=screenWidth-120;
 476                                 int timePosY=screenHeight-10;
 477
 478                                 drawMessage(cbuffer, timePosX+1,timePosY+1,false,time,"#000000",30);
 479                                 drawMessage(cbuffer, timePosX,timePosY,false,time,"#FFFFFF",30);
 480                                 break;
 481                         }
 482
 483                         // Debug messages
 484                         /*
 485                         debugMessage="StatePlay: "+cstate+"\n"+"StatePaint: "+pstate;
 486                         if (debugMessage!=null && debugMessage.length()>0) {
 487                                 int l = 20;
 488                                 String lines[] = debugMessage.split("\n");
 489                                 for (int i=0; i<lines.length; i++) {
 490                                         drawMessage(cbuffer,1,l,false,lines[i],"#FFFF00",30);
 491                                         l+=30;
 492                                 }
 493                         }
 494                          */
 495
 496                         // Double buffer dumping
 497                         // canvas.drawBitmap(buffer, 0, 0, null);
 498
 499                 } catch (Exception e) {
 500                         e.printStackTrace();
 501                 }
 502
 503         }
 504
 505         @Override
 506         public boolean onTouchEvent(MotionEvent event) {
 507                 if (event.getAction()==MotionEvent.ACTION_DOWN) {
 508                         onClick(Math.round(event.getX()),Math.round(event.getY()));
 509                 }
 510                 return super.onTouchEvent(event);
 511         }
 512
 513         private void onClick(int x, int y) {
 514                 try {
 515                         int i=(y-(screenHeight-app.board.boardSize[0]*tileHeight)/2)/tileHeight;
 516                         int j=(x-(screenWidth-app.board.boardSize[1]*tileWidth)/2)/tileWidth;
 517
 518                         switch (cstate) {
 519                         case IDLE:
 520                                 if (i>=0 &&
 521                                 i<app.board.boardSize[0] &&
 522                                 j>=0 && j<app.board.boardSize[1] &&
 523                                 app.board.board[i][j]!=0) {
 524                                         selection1[0]=i;
 525                                         selection1[1]=j;
 526                                         paint(StatePaint.SELECTED1);
 527                                         control(StatePlay.SELECTED1);
 528                                 }
 529                                 break;
 530                         case SELECTED1:
 531                                 if (i>=0 && i<app.board.boardSize[0] &&
 532                                 j>=0 && j<app.board.boardSize[1] &&
 533                                 app.board.board[i][j]!=0) {
 534                                         if (i==selection1[0] && j==selection1[1]) {
 535                                                 paint(StatePaint.BOARD);
 536                                                 control(StatePlay.IDLE);
 537                                         } else {
 538                                                 selection2[0]=i;
 539                                                 selection2[1]=j;
 540                                                 paint(StatePaint.SELECTED2);
 541
 542                                                 Point a=new Point(selection1[0],selection1[1]);
 543                                                 Point b=new Point(selection2[0],selection2[1]);
 544                                                 path=app.board.getPath(a,b);
 545                                                 paint(StatePaint.MATCHED);
 546                                                 app.sleep(2);
 547                                                 paint(StatePaint.BOARD);
 548                                                 if (path.size()>0) {
 549                                                         app.board.play(a,b);
 550                                                 }
 551                                                 path=null;
 552                                                 paint(StatePaint.BOARD);
 553
 554                                                 pairs=app.board.getPairs(1);
 555                                                 if (pairs.size()==0) {
 556                                                         if (app.board.getNumPieces()==0) {
 557                                                                 paint(StatePaint.WIN);
 558                                                         } else {
 559                                                                 paint(StatePaint.LOSE);
 560                                                         }
 561                                                         control(StatePlay.GAMEOVER);
 562                                                 } else {
 563                                                         control(StatePlay.IDLE);
 564                                                 }
 565                                                 //undo.sensitive=app.board.getCanUndo();
 566                                         }
 567                                 }
 568                                 break;
 569                         case GAMEOVER:
 570                                 reset();
 571                                 paint(StatePaint.BOARD);
 572                                 break;
 573                         }
 574                 } catch (Exception e) {
 575                         e.printStackTrace();
 576                 }
 577         }
 578
 579         public void surfaceChanged(SurfaceHolder holder, int format, int width,
 580                         int height) {
 581                 surfaceHolder = holder;
 582                 if (cstate!=StatePlay.GAMEOVER && app.timeCounter && !timerRegistered) {
 583                         registerTimer();
 584                 }
 585                 repaint();
 586         }
 587
 588         public void surfaceCreated(SurfaceHolder holder) {
 589                 surfaceHolder = holder;
 590                 repaint();
 591         }
 592
 593         public void surfaceDestroyed(SurfaceHolder holder) {
 594                 surfaceHolder = null;
 595                 if (timerRegistered) {
 596                         unregisterTimer();
 597                 }
 598         }
 599
 600         /*
 601         @Override
 602         protected void onDraw(Canvas canvas) {
 603                 super.onDraw(canvas);
 604
 605                 if (!initialized) initialize();
 606
 607                 long currTime = System.currentTimeMillis();
 608
 609                 a = (float)(currTime - startTime) / (float)duration;
 610                 if (a > (float)1.0) a = (float)1.0;
 611
 612                 x = Math.round(nextx*a + prevx*(1-a));
 613                 y = Math.round(nexty*a + prevy*(1-a));
 614
 615                 if (a == (float)1.0) computeNextTarget();
 616
 617                 int bgWidth = bg.getWidth();
 618                 int bgHeight = bg.getHeight();
 619                 for (int i=0; i<height/bgHeight+1; i++) {
 620                         for (int j=0; j<width/bgWidth+1; j++) {
 621                                 canvas.drawBitmap(bg, j*bgWidth, i*bgHeight, paint);
 622                         }
 623                 }
 624
 625                 canvas.drawBitmap(tile[randomtile], x, y, paint);
 626
 627                 repaint();
 628         }
 629
 630         @Override
 631         public boolean onTouchEvent(MotionEvent event) {
 632                 if (event.getActionMasked()==MotionEvent.ACTION_DOWN) {
 633                         //computeNextTarget();
 634                         //nextx=Math.round(event.getX());
 635                         //nexty=Math.round(event.getY());
 636                 }
 637                 return super.onTouchEvent(event);
 638         }
 639
 640         private void initialize() {
 641                 width = getWidth();
 642                 height = getHeight();
 643
 644                 bg = BitmapFactory.decodeResource(getResources(), R.drawable.kshisen_bgnd);
 645                 Bitmap tileset = BitmapFactory.decodeResource(getResources(), R.drawable.tileset);
 646
 647                 // The tile set has 4 rows x 9 columns
 648                 tsrows = 4;
 649                 tscols = 9;
 650                 twidth = tileset.getWidth()/tscols;
 651                 theight = tileset.getHeight()/tsrows;
 652                 tile = new Bitmap[tsrows*tscols];
 653                 int k=0;
 654                 for (int i=0; i<tsrows; i++) {
 655                         for (int j=0; j<tscols; j++) {
 656                                 tile[k] = Bitmap.createBitmap(tileset, j*twidth, i*theight, twidth, theight, null, false);
 657                                 k++;
 658                         }
 659                 }
 660
 661                 x = width/2;
 662                 y = height/2;
 663
 664                 computeNextTarget();
 665
 666                 initialized = true;
 667         }
 668
 669         private void computeNextTarget() {
 670                 startTime = System.currentTimeMillis();
 671                 prevx = x;
 672                 prevy = y;
 673                 nextx = (int) Math.floor(Math.random() * width);
 674                 nexty = (int) Math.floor(Math.random() * height);
 675                 randomtile = (int) Math.floor(Math.random() * tile.length);
 676
 677                 paint = new Paint();
 678                 paint.setColor(Color.parseColor("#006666"));
 679                 paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 680         }
 681          */
 682 }