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