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

   1 package de.cwde.freeshisen;
   2
   3 import java.lang.ref.WeakReference;
   4 import java.util.List;
   5 import java.util.Locale;
   6 import java.util.Timer;
   7 import java.util.TimerTask;
   8
   9 import android.app.Activity;
  10 import android.app.AlertDialog;
  11 import android.content.Context;
  12 import android.content.SharedPreferences;
  13 import android.graphics.Bitmap;
  14 import android.graphics.BitmapFactory;
  15 import android.graphics.Canvas;
  16 import android.graphics.Color;
  17 import android.graphics.Paint;
  18 import android.graphics.Paint.Align;
  19 import android.graphics.Paint.Cap;
  20 import android.graphics.Paint.Join;
  21 import android.graphics.Paint.Style;
  22 import android.graphics.Rect;
  23 import android.graphics.Typeface;
  24 import android.os.Handler;
  25 import android.os.Message;
  26 import android.preference.PreferenceManager;
  27 import android.view.MenuItem;
  28 import android.view.MotionEvent;
  29 import android.view.SurfaceHolder;
  30 import android.view.SurfaceView;
  31
  32 class ShisenShoView extends SurfaceView implements SurfaceHolder.Callback {
  33
  34         private static final String INVALID_TIME = "9:99:99";
  35         private static final String COLOR_TEXT = "#FFFFFF";
  36         private static final String COLOR_TEXT_SHADOW = "#000000";
  37         private static final String COLOR_HINT = "#F0C000";
  38         private static final String COLOR_SELECTED = "#FF0000";
  39
  40         private enum StatePlay { UNINITIALIZED, IDLE, SELECTED1, SELECTED2, GAMEOVER };
  41         private enum StatePaint { BOARD, SELECTED1, SELECTED2, MATCHED, WIN, LOSE, HINT, TIME };
  42
  43         private int screenWidth;
  44         private int screenHeight;
  45         private Bitmap bg;
  46         private Point selection1 = new Point(0, 0);
  47         private Point selection2 = new Point(0, 0);
  48         private List<Point> path = null;
  49         private List<Line> pairs = null;
  50         private long startTime;
  51         private long playTime;
  52         private long baseTime;
  53         private Timer timer;
  54         private Tileset tileset;
  55
  56         static class hHandler extends Handler {
  57                 private final WeakReference<ShisenShoView> mTarget;
  58
  59                 hHandler(ShisenShoView target) {
  60                         mTarget = new WeakReference<ShisenShoView>(target);
  61                 }
  62
  63                 @Override
  64                 public void handleMessage(Message msg) {
  65                         ShisenShoView target = mTarget.get();
  66                         if (target != null)
  67                                 target.onUpdateTime();
  68                 }
  69         }
  70
  71         private Handler timerHandler = new hHandler(this);
  72
  73         private boolean timerRegistered = false;
  74         private ShisenSho app;
  75         private StatePlay cstate;
  76         private StatePaint pstate;
  77         private Canvas canvas = null;
  78         private SurfaceHolder surfaceHolder = null;
  79         private String time = INVALID_TIME;
  80
  81         public ShisenShoView(ShisenSho shisenSho) {
  82                 super((Context) shisenSho);
  83                 this.app = shisenSho;
  84                 cstate = StatePlay.UNINITIALIZED;
  85                 surfaceHolder = getHolder();
  86                 surfaceHolder.addCallback(this);
  87                 tileset = new Tileset(shisenSho);
  88         }
  89
  90         public ShisenShoView(Context ctx) {
  91                 super(ctx);
  92                 this.app = (ShisenSho) ctx;
  93                 cstate = StatePlay.UNINITIALIZED;
  94                 surfaceHolder = getHolder();
  95                 surfaceHolder.addCallback(this);
  96         }
  97
  98         private void paint(StatePaint pstate) {
  99                 this.pstate=pstate;
 100                 repaint();
 101         }
 102
 103         private void control(StatePlay cstate) {
 104                 this.cstate=cstate;
 105         }
 106
 107         private void loadBackground() {
 108                 BitmapFactory.Options ops = new BitmapFactory.Options();
 109                 ops.inScaled = false;
 110                 bg = BitmapFactory.decodeResource(getResources(), R.drawable.kshisen_bgnd, ops);
 111                 bg.setDensity(Bitmap.DENSITY_NONE);
 112         }
 113
 114         private void registerTimer() {
 115                 if (timer != null)
 116                         return; // Already registered
 117                 timer = new Timer();
 118                 timer.scheduleAtFixedRate(new TimerTask() {
 119                         public void run() {
 120                                 timerHandler.sendEmptyMessage(Activity.RESULT_OK);
 121                         }
 122                 }, 0, 1000);
 123                 timerRegistered = true;
 124         }
 125
 126         private void unregisterTimer() {
 127                 if (timer == null)
 128                         return; // Already unregistered
 129                 timer.cancel();
 130                 timer = null;
 131                 timerRegistered = false;
 132         }
 133
 134         public void pauseTime() {
 135                 updateTime();
 136                 baseTime = playTime;
 137                 startTime = System.currentTimeMillis();
 138
 139         }
 140
 141         public void resumeTime() {
 142                 startTime = System.currentTimeMillis();
 143                 updateTime();
 144         }
 145
 146         private void updateTime() {
 147                 if (cstate!=StatePlay.GAMEOVER) {
 148                         playTime = (System.currentTimeMillis()-startTime)/1000+baseTime;
 149                 }
 150         }
 151
 152         public void loadTileset() {
 153                 tileset.loadTileset(screenWidth, screenHeight);
 154         }
 155
 156         private void initializeGame() {
 157                 loadBackground();
 158                 screenWidth=getWidth();
 159                 screenHeight=getHeight();
 160                 loadTileset();
 161                 //undo.sensitive=false;
 162                 pstate=StatePaint.BOARD;
 163                 app.newPlay();
 164                 control(StatePlay.IDLE);
 165                 startTime=System.currentTimeMillis();
 166                 playTime=0;
 167                 baseTime=0;
 168                 if (!timerRegistered) {
 169                         registerTimer();
 170                 }
 171                 pairs=app.board.getPairs(1);
 172         }
 173
 174         public boolean onOptionsItemSelected(MenuItem item) {
 175                 // Handle item selection
 176                 switch (item.getItemId()) {
 177                 case R.id.hint:
 178                         this.postDelayed(new Runnable() { public void run() { onHintActivate(); } }, 100);
 179                         return true;
 180                 case R.id.undo:
 181                         this.postDelayed(new Runnable() { public void run() { onUndoActivate(); } }, 100);
 182                         return true;
 183                 case R.id.clean:
 184                         this.postDelayed(new Runnable() { public void run() { reset(); } }, 100);
 185                         return true;
 186                 case R.id.options:
 187                         return true;
 188                 case R.id.about:
 189                         return true;
 190                 default:
 191                         return false;
 192                 }
 193         }
 194
 195         public void reset() {
 196                 control(StatePlay.UNINITIALIZED);
 197                 paint(StatePaint.BOARD);
 198         }
 199
 200         private void onHintActivate() {
 201                 if (cstate!=StatePlay.GAMEOVER) {
 202                         pairs=app.board.getPairs(1);
 203                         paint(StatePaint.HINT);
 204                         app.sleep(10);
 205                         paint(StatePaint.BOARD);
 206                         control(StatePlay.IDLE);
 207                 }
 208         }
 209
 210         private void onUndoActivate() {
 211                 if (app.board.getCanUndo()) {
 212                         if (cstate==StatePlay.GAMEOVER && !timerRegistered) {
 213                                 // Reprogram the time update that had been
 214                                 // deactivated with the game over status
 215                                 registerTimer();
 216                         }
 217                         app.board.undo();
 218                         paint(StatePaint.BOARD);
 219                         //undo.sensitive=app.board.getCanUndo();
 220                         control(StatePlay.IDLE);
 221                 }
 222         }
 223
 224         public void onTimeCounterActivate() {
 225                 if (cstate!=StatePlay.GAMEOVER && !timerRegistered) {
 226                         // Reprogram the time update that had been
 227                         // deactivated with the time_counter=false
 228                         registerTimer();
 229                 }
 230         }
 231
 232         private void onUpdateTime() {
 233                 paint(pstate);
 234                 if (cstate==StatePlay.GAMEOVER) {
 235                         unregisterTimer();
 236                 }
 237         }
 238
 239         @SuppressWarnings("deprecation")
 240         public static void drawMessage(Canvas canvas, int x, int y,
 241                         boolean centered, String message, float textSize) {
 242                 Paint paint = new Paint();
 243                 paint.setLinearText(true);
 244                 paint.setAntiAlias(true);
 245                 paint.setTextAlign(centered ? Align.CENTER : Align.LEFT);
 246                 paint.setTypeface(Typeface.SANS_SERIF);
 247                 paint.setFakeBoldText(true);
 248                 paint.setTextSize(textSize);
 249                 paint.setColor(Color.parseColor(COLOR_TEXT_SHADOW));
 250                 canvas.drawText(message, x + 1, y + 1, paint);
 251                 paint.setColor(Color.parseColor(COLOR_TEXT));
 252                 canvas.drawText(message, x, y, paint);
 253         }
 254
 255         public void repaint() {
 256                 if (surfaceHolder == null) return;
 257                 try {
 258                         if (canvas == null) canvas = surfaceHolder.lockCanvas(null);
 259                         if (canvas == null) return;
 260                         if (cstate == StatePlay.UNINITIALIZED) initializeGame();
 261                         synchronized (surfaceHolder) {
 262                                 doDraw(canvas);
 263                         }
 264                 } finally {
 265                         if (canvas != null) {
 266                                 surfaceHolder.unlockCanvasAndPost(canvas);
 267                                 canvas = null;
 268                         }
 269                 }
 270         }
 271
 272         protected void doDraw(Canvas canvas) {
 273                 try {
 274                         if (canvas == null) return;
 275
 276                         // Board upper left corner on screen
 277                         int x0=0;
 278                         int y0=0;
 279
 280                         if (app!=null && app.board!=null) {
 281                                 x0=(screenWidth-app.board.boardSize[1]*tileset.tileWidth)/2;
 282                                 y0=(screenHeight-app.board.boardSize[0]*tileset.tileHeight)/2;
 283                         }
 284
 285                         int selectcolor = Color.parseColor(COLOR_SELECTED);
 286                         int hintcolor = Color.parseColor(COLOR_HINT);
 287
 288                         // Background & board painting
 289                         switch (pstate) {
 290                         case BOARD:
 291                         case SELECTED1:
 292                         case SELECTED2:
 293                         case MATCHED:
 294                         case WIN:
 295                         case LOSE:
 296                         case HINT:
 297                         case TIME:
 298                                 // Background painting
 299                                 int bgWidth = bg.getWidth();
 300                                 int bgHeight = bg.getHeight();
 301                                 for (int i=0; i<screenHeight/bgHeight+1; i++) {
 302                                         for (int j=0; j<screenWidth/bgWidth+1; j++) {
 303                                                 canvas.drawBitmap(bg, j*bgWidth, i*bgHeight, null);
 304                                         }
 305                                 }
 306
 307                                 // Board painting
 308                                 // Max visible size: 7x17
 309                                 if (app!=null && app.board!=null) {
 310                                         for (int i=0;i<app.board.boardSize[0];i++) {
 311                                                 for (int j=0;j<app.board.boardSize[1];j++) {
 312                                                         // Tiles are 56px height, 40px width each
 313                                                         char piece=app.board.board[i][j];
 314                                                         if (piece!=0) {
 315                                                                 canvas.drawBitmap(
 316                                                                                 tileset.tile[piece],
 317                                                                                 x0+j*tileset.tileWidth,
 318                                                                                 y0+i*tileset.tileHeight,
 319                                                                                 null);
 320                                                         }
 321                                                 }
 322                                         }
 323                                 }
 324                                 break;
 325                         }
 326
 327                         // rectangle for selection 1
 328                         switch (pstate) {
 329                         case SELECTED1:
 330                         case SELECTED2:
 331                         case MATCHED:
 332                                 highlightTile(canvas, x0, y0, selection1, selectcolor);
 333                                 break;
 334                         }
 335
 336                         // rectangle for selection 2
 337                         switch (pstate) {
 338                         case SELECTED2:
 339                         case MATCHED:
 340                                 highlightTile(canvas, x0, y0, selection2, selectcolor);
 341                                 break;
 342                         }
 343
 344                         // Matching path
 345                         switch (pstate) {
 346                         case MATCHED:
 347                                 if (path!=null) {
 348                                         Point p0=null;
 349                                         for (Point p1 : path) {
 350                                                 if (p0!=null) {
 351                                                         drawLine(canvas, x0, y0, p0, p1, selectcolor);
 352                                                 }
 353                                                 p0=p1;
 354                                         }
 355                                 }
 356                                 break;
 357                         }
 358
 359                         // hint rectangles
 360                         switch (pstate) {
 361                         case HINT:
 362                                 if (pairs != null && pairs.size() > 0) {
 363                                         Line pair = pairs.get(0);
 364                                         Point a = pair.a;
 365                                         Point b = pair.b;
 366                                         path = app.board.getPath(a, b);
 367
 368                                         highlightTile(canvas, x0, y0, a, hintcolor);
 369
 370                                         if (path != null) {
 371                                                 Point p0 = null;
 372                                                 for (Point p1 : path) {
 373                                                         if (p0 != null) {
 374                                                                 drawLine(canvas, x0, y0, p0, p1, hintcolor);
 375                                                         }
 376                                                         p0 = p1;
 377                                                 }
 378                                                 path = null;
 379                                         }
 380
 381                                         highlightTile(canvas, x0, y0, b, hintcolor);
 382                                 }
 383                                 break;
 384                         }
 385
 386                         // Win & loose notifications
 387                         switch (pstate) {
 388                         case WIN:
 389                                 drawMessage(canvas, screenWidth / 2, screenHeight / 2, true,
 390                                                 "You Win!", 100);
 391                                 break;
 392                         case LOSE:
 393                                 drawMessage(canvas, screenWidth / 2, screenHeight / 2, true,
 394                                                 "Game Over", 100);
 395                                 break;
 396                         }
 397
 398                         switch (pstate) {
 399                         case BOARD:
 400                         case SELECTED1:
 401                         case SELECTED2:
 402                         case MATCHED:
 403                         case WIN:
 404                         case LOSE:
 405                         case HINT:
 406                         case TIME:
 407                                 updateTime();
 408                                 int hours = (int) (playTime / (60 * 60));
 409                                 int minutes = (int) ((playTime / 60) % 60);
 410                                 int seconds = (int) (playTime % 60);
 411                                 if (hours < 10) {
 412                                         time = String.format(Locale.US, "%01d:%02d:%02d",
 413                                                         hours, minutes, seconds);
 414                                 } else {
 415                                         time = INVALID_TIME;
 416                                 }
 417
 418                                 int timePosX=screenWidth-120;
 419                                 int timePosY=screenHeight-10;
 420
 421                                 if (app.timeCounter) {
 422                                         drawMessage(canvas, timePosX, timePosY, false, time, 30);
 423                                 }
 424                                 break;
 425                         }
 426
 427                 } catch (Exception e) {
 428                         e.printStackTrace();
 429                 }
 430
 431         }
 432
 433         private void drawLine(Canvas canvas, int x0, int y0, Point p0, Point p1, int color) {
 434                 Paint paint = new Paint();
 435                 paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 436                 paint.setColor(color);
 437                 paint.setStyle(Style.STROKE);
 438                 paint.setStrokeCap(Cap.ROUND);
 439                 paint.setStrokeJoin(Join.ROUND);
 440                 paint.setStrokeWidth(3);
 441                 canvas.drawLine(
 442                                 x0 + p0.j * tileset.tileWidth - 2 + (tileset.tileWidth / 2),
 443                                 y0 + p0.i * tileset.tileHeight - 2 + (tileset.tileHeight / 2),
 444                                 x0 + p1.j * tileset.tileWidth - 2 + (tileset.tileWidth / 2),
 445                                 y0 + p1.i * tileset.tileHeight - 2 + (tileset.tileHeight / 2), paint);
 446         }
 447
 448         private void highlightTile(Canvas canvas, int x0, int y0, Point p, int color) {
 449                 Paint paint = new Paint();
 450                 paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 451                 paint.setColor(color);
 452                 paint.setStyle(Style.STROKE);
 453                 paint.setStrokeCap(Cap.ROUND);
 454                 paint.setStrokeJoin(Join.ROUND);
 455                 paint.setStrokeWidth(3);
 456                 Rect r = new Rect(
 457                                 x0 + p.j * tileset.tileWidth - 2,
 458                                 y0 + p.i * tileset.tileHeight - 2,
 459                                 x0 + p.j * tileset.tileWidth + tileset.tileWidth + 2,
 460                                 y0 + p.i * tileset.tileHeight + tileset.tileHeight + 2);
 461                 canvas.drawRect(r, paint);
 462         }
 463
 464         @Override
 465         public boolean onTouchEvent(MotionEvent event) {
 466                 if (event.getAction()==MotionEvent.ACTION_DOWN) {
 467                         onClick(Math.round(event.getX()),Math.round(event.getY()));
 468                 }
 469                 return super.onTouchEvent(event);
 470         }
 471
 472         private void onClick(int x, int y) {
 473                 try {
 474                         int i=(y-(screenHeight-app.board.boardSize[0]*tileset.tileHeight)/2)/tileset.tileHeight;
 475                         int j=(x-(screenWidth-app.board.boardSize[1]*tileset.tileWidth)/2)/tileset.tileWidth;
 476
 477                         switch (cstate) {
 478                         case IDLE:
 479                                 if (i >= 0 && i < app.board.boardSize[0] && j >= 0
 480                                 && j < app.board.boardSize[1]
 481                                                 && app.board.board[i][j] != 0) {
 482                                         selection1.set(i, j);
 483                                         paint(StatePaint.SELECTED1);
 484                                         control(StatePlay.SELECTED1);
 485                                 }
 486                                 break;
 487                         case SELECTED1:
 488                                 if (i >= 0 && i < app.board.boardSize[0] && j >= 0
 489                                 && j < app.board.boardSize[1]
 490                                                 && app.board.board[i][j] != 0) {
 491                                         if (selection1.equals(i, j)) {
 492                                                 paint(StatePaint.BOARD);
 493                                                 control(StatePlay.IDLE);
 494                                         } else {
 495                                                 selection2.set(i, j);
 496                                                 paint(StatePaint.SELECTED2);
 497
 498                                                 Point a = selection1.copy();
 499                                                 Point b = selection2.copy();
 500                                                 path = app.board.getPath(a, b);
 501                                                 paint(StatePaint.MATCHED);
 502                                                 app.sleep(2);
 503                                                 paint(StatePaint.BOARD);
 504                                                 if (path.size() > 0) {
 505                                                         app.board.play(a, b);
 506                                                 }
 507                                                 path = null;
 508                                                 paint(StatePaint.BOARD);
 509
 510                                                 pairs = app.board.getPairs(1);
 511                                                 if (pairs.size() == 0) {
 512                                                         if (app.board.getNumPieces() == 0) {
 513                                                                 paint(StatePaint.WIN);
 514                                                                 checkforhiscore();
 515                                                         } else {
 516                                                                 paint(StatePaint.LOSE);
 517                                                         }
 518                                                         control(StatePlay.GAMEOVER);
 519                                                 } else {
 520                                                         control(StatePlay.IDLE);
 521                                                 }
 522                                                 //undo.sensitive=app.board.getCanUndo();
 523                                         }
 524                                 }
 525                                 break;
 526                         case GAMEOVER:
 527                                 reset();
 528                                 paint(StatePaint.BOARD);
 529                                 break;
 530                         }
 531                 } catch (Exception e) {
 532                         e.printStackTrace();
 533                 }
 534         }
 535
 536         private void checkforhiscore() {
 537                 if (timerRegistered) {
 538                         unregisterTimer();
 539                 }
 540                 final String[] sizes = { "S", "M", "L" };
 541                 final String[] diffs = { "E", "H" };
 542                 String prefname1 = "hiscore_" + diffs[app.difficulty-1] + sizes[app.size-1] + "1";
 543                 String prefname2 = "hiscore_" + diffs[app.difficulty-1] + sizes[app.size-1] + "2";
 544                 // get hiscores for current size/difficulty
 545                 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(app);
 546                 String besttime1 = sp.getString(prefname1, INVALID_TIME);
 547                 String besttime2 = sp.getString(prefname2, INVALID_TIME);
 548                 // did we win something?
 549                 if (time.compareTo(besttime2) < 0) {
 550                         // score!
 551                         new AlertDialog.Builder(app.activity)
 552                                 .setTitle(R.string.hiscore_title)
 553                                 .setCancelable(true)
 554                                 .setIcon(R.drawable.icon)
 555                                 .setPositiveButton(android.R.string.ok, null)
 556                                 .setMessage(R.string.hiscore_text)
 557                                 .create()
 558                                 .show();
 559
 560                         SharedPreferences.Editor editor = sp.edit();
 561                         if (time.compareTo(besttime1) < 0) {
 562                                 editor.putString(prefname1, time);
 563                                 editor.putString(prefname2, besttime1);
 564                         } else {
 565                                 editor.putString(prefname2, time);
 566                         }
 567                         editor.commit();
 568                 }
 569         }
 570
 571         public void surfaceChanged(SurfaceHolder holder, int format, int width,
 572                         int height) {
 573                 surfaceHolder = holder;
 574                 if (cstate!=StatePlay.GAMEOVER && !timerRegistered) {
 575                         registerTimer();
 576                 }
 577                 repaint();
 578         }
 579
 580         public void surfaceCreated(SurfaceHolder holder) {
 581                 surfaceHolder = holder;
 582                 repaint();
 583         }
 584
 585         public void surfaceDestroyed(SurfaceHolder holder) {
 586                 surfaceHolder = null;
 587                 if (timerRegistered) {
 588                         unregisterTimer();
 589                 }
 590         }
 591 }