1 //需要蟲子的二值圖，瓶口的二值圖，醫生的彩色圖，bmp格式
  2 //需要學會讀取bmp格式圖片并處理
  3 //move函數的代碼，預計50行左右
  4 
  5 /*    作者：PureMilk
  6     天地之靈學習小組
  7 */
  8 
  9 #include <GL/glut.h>
 10 #include <ctime>
 11 #include <cstdlib>
 12 #include <cmath>
 13 #include <cstdio>
 14 #include <windows.h>
 15 
 16 static const int WindowWidth = 640;
 17 static const int WindowHeight = 480;
 18 
 19 int count = 0;
 20 int speed = 8;
 21 bool dead = false;
 22 
 23 static GLubyte Worm[72]; //我猜它8位一對齊?
 24 
 25 enum GridType
 26 {
 27     NOTHING, CAPSULE, WORM, REMOVE
 28 };
 29 
 30 enum Connect
 31 {
 32     NOT_CONNECTED, LEFT, RIGHT, UP, DOWN
 33 };
 34 
 35 enum Color
 36 {
 37     BLACK, YELLOW, BLUE, RED
 38 };
 39 
 40 enum DoctorDirect
 41 {
 42     DD_NODIRECT, DD_UP, DD_DOWN, DD_LEFT, DD_RIGHT
 43 };
 44 
 45 void myCircle( int x, int y, int r )
 46 {
 47     glBegin( GL_TRIANGLE_FAN );
 48         for ( int i = 0; i < 360; i+=60 )
 49             glVertex2i( x+r*cos(i/360.0), y+r*sin(i/360.0) );
 50     glEnd();
 51 }
 52 
 53 void _setColor( Color color )
 54 {
 55     switch (color)
 56     {
 57     case BLACK:
 58         glColor3f( 0.0f, 0.0f, 0.0f );
 59         break;
 60     case YELLOW:
 61         glColor3f( 1.0f, 1.0f, 0.0f );
 62         break;
 63     case BLUE:
 64         glColor3f( 0.0f, 0.0f, 1.0f );
 65         break;
 66     case RED:
 67         glColor3f( 1.0f, 0.0f, 0.0f );
 68         break;
 69     default:
 70         break;
 71     }
 72 };
 73 
 74 
 75 class Bottle
 76 {
 77 private:
 78     int b_x,b_y; //bottle可以容納藥丸的最左上角位置
 79     GridType b_grid_type[16][8]; //每個格子20像素長寬
 80     Color b_color[16][8];
 81     Connect b_connect[16][8];
 82 public:
 83     int getx( void )
 84     {
 85         return b_x;
 86     }
 87     int gety( void )
 88     {
 89         return b_y;
 90     }
 91     bool empty( int x, int y )
 92     {
 93         if ( x<0 || x>=8 || y<0 || y>=16 ) return false;
 94         if ( b_grid_type[y][x] == NOTHING ) return true;
 95         return false;
 96     }
 97     void set( Color color, int x, int y )
 98     {
 99         b_grid_type[y][x] = CAPSULE;
100         b_color[y][x] = color;
101     }
102     void setGridType( GridType grid_type, int x, int y )
103     {
104         b_grid_type[y][x] = grid_type;
105     }
106     void setColor( Color color, int x, int y )
107     {
108         b_color[y][x] = color;
109     }
110     void setConnect( int x, int y )
111     {
112         b_connect[y][x] = NOT_CONNECTED;
113     }
114     GridType getGridType( int x, int y )
115     {
116         return b_grid_type[y][x];
117     }
118     Color getColor( int x, int y )
119     {
120         return b_color[y][x];
121     }
122     Connect getConnect( int x, int y )
123     {
124         return b_connect[y][x];
125     }
126     bool fall( void )
127     {
128         int i, j;
129         bool flag = false;
130         for ( i = 15; i >0; --i )
131         {
132             for ( j = 0; j <8; ++j )
133             {
134                 if ( b_grid_type[j][i] == NOTHING && b_grid_type[j][i-1] == CAPSULE ) 
135                 {
136                     switch ( b_connect[j][i-1] )
137                     {
138                     case UP:
139                         b_grid_type[j][i] = CAPSULE;
140                         b_color[j][i] = b_color[j][i-1];
141                         b_connect[j][i] = UP;
142 
143                         b_color[j][i-1] = b_color[j][i-2];
144                         b_connect[j][i-1] = DOWN;
145 
146                         b_grid_type[j][i-2] = NOTHING;
147                         b_color[j][i-2] = BLACK;
148                         b_connect[j][i] = NOT_CONNECTED;
149                         flag = true;
150                         break;
151                     case RIGHT:
152                         if ( b_grid_type[j+1][i] == NOTHING )
153                         {
154                             b_grid_type[j][i] = CAPSULE;
155                             b_color[j][i] = b_color[j][i-1];
156                             b_connect[j][i] = RIGHT;
157 
158                             b_grid_type[j+1][i] = CAPSULE;
159                             b_color[j+1][i] = b_color[j+1][i-1];
160                             b_connect[j+1][i] = LEFT;
161 
162                             b_grid_type[j][i-1] = NOTHING;
163                             b_color[j][i-1] = BLACK;
164                             b_connect[j][i-1] = NOT_CONNECTED;
165 
166                             b_grid_type[j+1][i-1] = NOTHING;
167                             b_color[j+1][i-1] = BLACK;
168                             b_connect[j+1][i-1] = NOT_CONNECTED;
169                             flag = true;
170                         }
171                         break;
172                     default:
173                         break;
174                     }
175                 }
176             }
177         }
178         return flag;
179     }
180     void drawBottle( void )
181     {
182         int i,j;
183         glColor3f( 0.0f, 1.0f, 1.0f );//青色
184         //**************先畫瓶口再畫瓶身******
185         //畫瓶子的內部，根據b_x,b_y和瓶子的內容物
186         for ( i = 0; i < 16; ++i )
187         {
188             for ( j = 0; j < 8; ++j )
189             {
190                 _setColor( b_color[i][j] );
191                 if ( b_grid_type[i][j] == WORM )
192                     drawWorm( b_x+i*20, b_y+j*20 );
193                 else if ( b_grid_type[i][j] == CAPSULE )
194                 {
195                     drawCapsule( b_x+i*20+10, b_y+i*20+10, b_connect[i][j] );
196                 }
197             }
198         }
199     }
200     
201     void drawCapsule( int x, int y, Connect connect )
202     {
203         //將相連的部分畫上
204         switch ( connect )
205         {
206         case LEFT:
207             glRectf( x-10, y-10, x, y+10 );
208             break;
209         case RIGHT:
210             glRectf( x, y-10, x+10, y+10 );
211             break;
212         case UP:
213             glRectf( x-10, y-10, x+10, y );
214             break;
215         case DOWN:
216             glRectf( x-10, y, x+10, y+10 );
217             break;
218         default:
219             break;
220         }
221         //***********畫圓并填充*********
222         myCircle( x, y, 10 );
223     }
224 
225     void drawWorm( int x, int y )
226     {
227         glEnable(GL_POLYGON_STIPPLE);
228         glPolygonStipple(Worm);
229         glRectf( x, y, x+20, y+20 );  // 繪制一個有鏤空效果的正方形
230         glDisable(GL_POLYGON_STIPPLE);
231     }
232 
233     Bottle( int level, int xx, int yy )
234     {
235         int i; //vc6這點真恨人
236         b_x = xx;
237         b_y = yy;
238         for ( i = 0; i < 16; ++i )
239         {
240             for ( int j = 0; j < 8; ++j )
241             {
242                 b_grid_type[i][j] = NOTHING;
243                 b_color[i][j] = BLACK;
244                 b_connect[i][j] = NOT_CONNECTED;
245             }
246         }
247         for ( i = 0; i < level*4; ++i )
248         {
249             int x = rand()%16;
250             int y = rand()%8;
251             Color color = (Color)(rand()%3);
252             if ( ok( x, y, color, level ) )
253             {
254                 b_grid_type[x][y] = WORM;
255                 b_color[x][y] = color;
256             }
257             else
258                 --i;
259         }
260     }
261     bool ok( int x, int y, Color color, int level )
262     {
263         if ( level < 15 && x <= 6 ) return false;
264         if ( ((level+1)>>1)+3+x < 16 ) return false;
265         if ( x-2 >= 0 && b_grid_type[x-1][y] == WORM && b_color[x-1][y] == color 
266             && b_grid_type[x-2][y] == WORM && b_color[x-2][y] == color ) return false;
267         if ( x+2 < 8 && b_grid_type[x+1][y] == WORM && b_color[x+1][y] == color 
268             && b_grid_type[x+2][y] == WORM && b_color[x+2][y] == color ) return false;
269         if ( y+2 < 16 && b_grid_type[x][y+1] == WORM && b_color[x][y+1] == color 
270             && b_grid_type[x][y+2] == WORM && b_color[x][y+2] == color ) return false;
271         if ( b_grid_type[x][y-1] == WORM && b_color[x][y-1] == color 
272             && b_grid_type[x][y-2] == WORM && b_color[x][y-2] == color ) return false;
273         return true;
274     }
275 };
276 
277 static Bottle* bottle = NULL;
278 
279 class Doctor
280 {
281 private:
282     int d_x,d_y; //活動藥丸（左下角）相對于瓶子的位置,不是像素點
283     bool d_state; //橫的false，豎的true
284     Color d_color[2]; //倆藥丸的顏色
285     DoctorDirect d_direct;
286 public:
287     Doctor( void )
288     {
289         d_x = 3; d_y = 0; 
290         d_state = false; 
291         d_direct = DD_NODIRECT;
292         d_color[0] = (Color)(rand()%3);
293         d_color[1] = (Color)(rand()%3);
294     }
295     void drawDoctor( void )
296     {
297         //***************畫醫生的形象*******************
298         if ( d_state )
299         {
300             bottle->drawCapsule( bottle->getx()+20*d_x+10, bottle->gety()+20*d_y+10, UP );
301             bottle->drawCapsule( bottle->getx()+20*d_x+10, bottle->gety()+20*d_y-10, DOWN );
302         }
303         else
304         {
305             bottle->drawCapsule( bottle->getx()+20*d_x+10, bottle->gety()+20*d_y+10, RIGHT );
306             bottle->drawCapsule( bottle->getx()+20*(d_x+1)+10, bottle->gety()+20*d_y+10, LEFT );
307         }
308     }
309     void move( void )
310     {
311         int i,j;
312         bool tag = true;
313         switch( d_direct )
314         {
315         case DD_DOWN:
316             if ( d_state )
317             {
318                 if ( bottle->empty( d_x, d_y+1 ) )
319                 {
320                     ++d_y;
321                     break;
322                 }
323             }
324             else
325             {
326                 if ( bottle->empty( d_x, d_y+1 ) && bottle->empty( d_x+1, d_y+1 ) )
327                 {
328                     ++d_y;
329                     break;
330                 }
331             }
332             /*************這里沒寫完，預計是個while(true)的循環*********************/
333             while ( tag )
334             {
335                 bool flag = true;
336                 if ( d_state )
337                 {
338                     bottle->set( d_color[0], d_x, d_y );
339                     if ( d_y-1 != 0 )
340                         bottle->set( d_color[1], d_x, d_y-1 );
341                 }
342                 else
343                 {
344                     bottle->set( d_color[0], d_x, d_y );
345                     bottle->set( d_color[1], d_x+1, d_y );
346                 }
347 //先消，不能消break
348                 for ( i = 15; i >= 0; --i )
349                 {
350                     int number = 0;
351                     Color corrent = BLACK;
352                     for ( j = 0; j < 8; ++j,++number )
353                     {
354                         if ( bottle->getColor( j, i ) != corrent )
355                         {
356                             if ( number >= 4 )
357                             {
358                                 int cnt = j-1;
359                                 while ( number-- )
360                                 {
361                                     bottle->setGridType( REMOVE, cnt, i );
362                                     tag = true;
363                                 }
364                             }
365                             else 
366                             {
367                                 number = -1;
368                             }
369                         }
370                     }
371                 }
372                 for ( i = 7; i >= 0; ++i )
373                 {
374                     int number = 0;
375                     Color corrent = BLACK;
376                     for ( j = 0; j < 16; ++j,++number )
377                     {
378                         if ( bottle->getColor( i, j ) != corrent )
379                         {
380                             if ( number >= 4 )
381                             {
382                                 int cnt = i-1;
383                                 while ( number-- )
384                                 {
385                                     bottle->setGridType( REMOVE, cnt, j );
386                                     tag = true;
387                                 }
388                             }
389                             else 
390                             {
391                                 number = -1;
392                             }
393                         }
394                     }
395                 }
396                 if ( tag )
397                 {
398                     Sleep( 500 );
399                     for ( i = 0; i < 16; ++i )
400                     {
401                         for ( j = 0; j < 8; ++j )
402                         {
403                             if ( bottle->getGridType(j, i) == REMOVE )
404                             {
405                                 bottle->setColor( BLACK, j, i );
406                                 bottle->setGridType( NOTHING, j, i );
407                                 switch ( bottle->getConnect(j,i) )
408                                 {
409                                 case UP:
410                                     bottle->setConnect( j, i-1 );
411                                     break;
412                                 case DOWN:
413                                     bottle->setConnect( j, i+1 );
414                                     break;
415                                 case LEFT:
416                                     bottle->setConnect( j-1, i );
417                                     break;
418                                 case RIGHT:
419                                     bottle->setConnect( j+1, i );
420                                     break;
421                                 default:
422                                     break;
423                                 }
424                                 bottle->setConnect( j, i );
425                             }
426                         }
427                     }
428                 }
429 
430                 if ( tag )
431                 {
432                     //如果消了，就掉
433                     while ( bottle->fall() )
434                         Sleep(500);
435                 }
436 
437                 Sleep( 500 );
438             }
439             //凡是落下不管是否消掉都要重置活動藥丸位置和顏色
440             d_x = 3; d_y = 0; 
441             d_state = false; 
442             d_direct = DD_NODIRECT;
443             d_color[0] = (Color)(rand()%3);
444             d_color[1] = (Color)(rand()%3);
445             
446             break;
447         case DD_UP:
448             if ( d_state )
449             {
450                 if ( bottle->empty( d_x+1, d_y ) ) d_state = false;
451                 else if ( bottle->empty( d_x-1, d_y ) ) { --d_x; d_state = false; }
452             }
453             else
454             {
455                 if ( bottle->empty( d_x, d_y-1 ) )
456                 {
457                     d_state = true;
458                     Color tmp = d_color[0];
459                     d_color[0] = d_color[1];
460                     d_color[1] = tmp;
461                 }
462                 else if ( bottle->empty( d_x+1, d_y-1 ) )
463                 {
464                     ++d_x;
465                     d_state = true;
466                     Color tmp = d_color[0];
467                     d_color[0] = d_color[1];
468                     d_color[1] = tmp;
469                 }
470             }
471             break;
472         case DD_LEFT:
473             if ( d_state && bottle->empty( d_x-1, d_y ) && bottle->empty( d_x-1, d_y-1 ) ) --d_x;
474             if ( !d_state && bottle->empty( d_x-1, d_y ) ) --d_x;
475             break;
476         case DD_RIGHT:
477             if ( d_state && bottle->empty( d_x+1, d_y ) && bottle->empty( d_x+1, d_y-1 ) ) --d_x;
478             if ( !d_state && bottle->empty( d_x+1, d_y ) ) --d_x;
479             break;
480         default:
481             break;
482         }
483     }
484     void fall( void )
485     {
486         d_direct = DD_DOWN;
487         move();
488     }
489     void setDirect( DoctorDirect direct )
490     {
491         d_direct = direct;
492     }
493 };
494 
495 static Doctor* doctor = NULL;
496 
497 void init( void )
498 {
499     bottle = new Bottle( 3, 320, 160 );
500     doctor = new Doctor();
501 }
502 
503 void key( unsigned char key_char, int not_use, int not_use_1 )
504 {
505     switch ( key_char )
506     {
507     case 'w':
508     case 'W':
509         doctor->setDirect( DD_UP );
510         break;
511     case 's':
512     case 'S':
513         doctor->setDirect( DD_DOWN );
514         break;
515     case 'a':
516     case 'A':
517         doctor->setDirect( DD_LEFT );
518         break;
519     case 'd':
520     case 'D':
521         doctor->setDirect( DD_RIGHT );
522         break;
523     default:
524         doctor->setDirect( DD_NODIRECT );
525         break;
526     }
527 }
528 
529 
530 void step( void )
531 {
532     if ( dead ) return ;
533     doctor->move();
534     ++count; if ( count == speed ) { count = 0; doctor->fall(); }
535 }
536 
537 void timer( int not_use )
538 {
539     step();
540     glutPostRedisplay();
541     if ( !dead )
542     {
543         glutTimerFunc( 1000/speed, timer, 0 );
544     }
545 }
546 
547 void drawBG( void )
548 {
549     int i,j;
550     glColor3f( 0.0f, 0.0f, 0.7f );
551     for ( i = 0; i < 32; ++i )
552     {
553         for ( j = 0; j < 30; ++j )
554         {
555             if ( ((i+j)&1) == 0 )
556                 glRectf( i*20, j*16, (i+1)*20, (j+1)*16 );
557         }
558     }
559 }
560 
561 void draw( void )
562 {
563     drawBG();
564     bottle->drawBottle();
565     doctor->drawDoctor();
566 }
567 
568 void display( void )
569 {
570     glClear( GL_COLOR_BUFFER_BIT );
571     draw();
572     glutSwapBuffers();
573 }
574 
575 int main( int argc, char * argv[] )
576 {
577     FILE *fp;
578     fp = fopen("worm.bmp", "rb");
579     if( !fp ) //如果沒讀取成功
580         exit(0);
581     if( fseek(fp, -(int)sizeof(Worm), SEEK_END) )//這是什么？
582         exit(0);
583     if( !fread( Worm, sizeof(Worm), 1, fp ) )
584         exit(0);
585     fclose(fp);
586 
587     srand( (unsigned int)time(NULL) );
588     glutInit( &argc, argv );
589     glutInitDisplayMode( GLUT_RGBA|GLUT_DOUBLE );
590     glutInitWindowPosition( 50, 50 );
591     glutInitWindowSize( WindowWidth, WindowHeight );
592     glutCreateWindow( "Dr Mario By PureMilk" );
593     glutDisplayFunc( display );
594     glutKeyboardFunc( key );
595     glutTimerFunc( 1000/speed, timer, 0 );
596     gluOrtho2D( 0, WindowWidth, WindowHeight, 0 );
597     glutMainLoop();
598     
599     return 0;
600 }