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