ELEC2645 (2015/16) / Mbed 2 deprecated Tetris_Game

ELEC2645 Joseph Allison 200860349

Dependencies:   N5110 Tetris mbed

main.cpp@7:dfb290c7958c, 2016-05-05 (annotated)

Committer:
el14ja
Date:
Thu May 05 10:41:45 2016 +0000
Revision:
7:dfb290c7958c
Parent:
6:9cb8171ca6df 
submitted 1.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el14ja 0:ce5c75c04dc2 1 /* ELEC2645 Project
el14ja 0:ce5c75c04dc2 2 week 19 - Created functions to work set pixels of the game area
el14ja 0:ce5c75c04dc2 3 - Added the shapes and all their orientations
el14ja 0:ce5c75c04dc2 4 - Created functions to place and remove shapes
el14ja 0:ce5c75c04dc2 5 -added interupts and tickers for block moved and rotaion
el14ja 0:ce5c75c04dc2 6
el14ja 0:ce5c75c04dc2 7 week 20 - 7system function
el14ja 0:ce5c75c04dc2 8
el14ja 4:7160c74529f7 9 week 21 - starting to implement collision detection
el14ja 0:ce5c75c04dc2 10
el14ja 0:ce5c75c04dc2 11 easter - colliosn detection
el14ja 0:ce5c75c04dc2 12 - piece placement
el14ja 1:2b9ba34131ca 13 - scoring
el14ja 1:2b9ba34131ca 14 - levels and game speed changing
el14ja 3:8c5362716f4c 15 - Game Complete
el14ja 4:7160c74529f7 16
el14ja 4:7160c74529f7 17 week 24 - All bugs removed
el14ja 0:ce5c75c04dc2 18 */
el14ja 0:ce5c75c04dc2 19
el14ja 0:ce5c75c04dc2 20
el14ja 1:2b9ba34131ca 21 #include "main.h"
el14ja 0:ce5c75c04dc2 22
el14ja 0:ce5c75c04dc2 23
el14ja 0:ce5c75c04dc2 24 int main()
el14ja 0:ce5c75c04dc2 25 {
el14ja 0:ce5c75c04dc2 26
el14ja 4:7160c74529f7 27 srand(floor(ain.read()*10000)); //Gets a random seed so the the random number generator creates a different set of random numbers each time the game is played
el14ja 4:7160c74529f7 28
el14ja 4:7160c74529f7 29 lcd.init(); //initilises the screen
el14ja 1:2b9ba34131ca 30
el14ja 7:dfb290c7958c 31 startScreen();
el14ja 7:dfb290c7958c 32 wait(2);
el14ja 7:dfb290c7958c 33
el14ja 4:7160c74529f7 34 setupInterruptInputs();
el14ja 3:8c5362716f4c 35
el14ja 0:ce5c75c04dc2 36 newShapeBag();//create bag of shapes to use
el14ja 4:7160c74529f7 37 nextpiece = nextshape[1]; //initially sets the next piece
el14ja 3:8c5362716f4c 38 tetris.gameInfo(0,1,nextpiece);
el14ja 4:7160c74529f7 39
el14ja 4:7160c74529f7 40 musicticker.attach(&music_isr,0.125); //sets the speed that the music plays
el14ja 0:ce5c75c04dc2 41
el14ja 4:7160c74529f7 42 setTicker(gamespeed); //sets the speed that the block falls
el14ja 3:8c5362716f4c 43
el14ja 0:ce5c75c04dc2 44 while (true) {
el14ja 0:ce5c75c04dc2 45
el14ja 3:8c5362716f4c 46 gameMenu();
el14ja 3:8c5362716f4c 47
el14ja 4:7160c74529f7 48 if(musicplaying) { //checks to see if the music is playing
el14ja 3:8c5362716f4c 49 buzzer.write(0.5);
el14ja 3:8c5362716f4c 50 } else {
el14ja 3:8c5362716f4c 51 buzzer.write(0);
el14ja 0:ce5c75c04dc2 52 }
el14ja 0:ce5c75c04dc2 53
el14ja 4:7160c74529f7 54 score = 0; //sets all game varibles to default values
el14ja 4:7160c74529f7 55 level = 1;
el14ja 4:7160c74529f7 56 completedlines = 0;
el14ja 7:dfb290c7958c 57 gamespeed = 0.8;
el14ja 7:dfb290c7958c 58
el14ja 7:dfb290c7958c 59 setTicker(gamespeed);
el14ja 7:dfb290c7958c 60
el14ja 4:7160c74529f7 61 //resests the game screen
el14ja 3:8c5362716f4c 62 setGameAreaArray();
el14ja 3:8c5362716f4c 63 tetris.clearGame();
el14ja 3:8c5362716f4c 64 tetris.gameSetup();
el14ja 4:7160c74529f7 65 tetris.gameInfo(score,level,nextpiece);
el14ja 3:8c5362716f4c 66
el14ja 4:7160c74529f7 67
el14ja 4:7160c74529f7 68 while(gameplaying) { //loops throught the gane function whilst the game is running
el14ja 3:8c5362716f4c 69 checkGameFlags();
el14ja 3:8c5362716f4c 70 sleep();
el14ja 0:ce5c75c04dc2 71 }
el14ja 0:ce5c75c04dc2 72
el14ja 4:7160c74529f7 73 gameOverScreen(); //when the game is over the game over screen is played
el14ja 4:7160c74529f7 74
el14ja 4:7160c74529f7 75 //sets the game and game menu to run the next time ot come to them
el14ja 3:8c5362716f4c 76 gameplaying = true;
el14ja 3:8c5362716f4c 77 gamemenu = true;
el14ja 3:8c5362716f4c 78 }
el14ja 3:8c5362716f4c 79 }
el14ja 0:ce5c75c04dc2 80
el14ja 3:8c5362716f4c 81 void gameMenu()
el14ja 3:8c5362716f4c 82 {
el14ja 3:8c5362716f4c 83
el14ja 4:7160c74529f7 84 int pointer = 0; //sets the pointer to its inital place
el14ja 3:8c5362716f4c 85
el14ja 3:8c5362716f4c 86 lcd.clear();
el14ja 3:8c5362716f4c 87 lcd.refresh();
el14ja 0:ce5c75c04dc2 88
el14ja 3:8c5362716f4c 89 while(gamemenu) {
el14ja 0:ce5c75c04dc2 90
el14ja 4:7160c74529f7 91 //sets the menu text
el14ja 3:8c5362716f4c 92 lcd.printString("PLAY",15,1);
el14ja 3:8c5362716f4c 93 lcd.printString("MUSIC",15,3);
el14ja 3:8c5362716f4c 94 lcd.printString("HELP",15,5);
el14ja 0:ce5c75c04dc2 95
el14ja 4:7160c74529f7 96 //checks the state fo the music to set the on/off label
el14ja 4:7160c74529f7 97 if(musicplaying) {
el14ja 3:8c5362716f4c 98 lcd.printString(" ",50,3);
el14ja 3:8c5362716f4c 99 lcd.printString("ON",50,3);
el14ja 3:8c5362716f4c 100 } else {
el14ja 3:8c5362716f4c 101 lcd.printString("OFF",50,3);
el14ja 0:ce5c75c04dc2 102 }
el14ja 0:ce5c75c04dc2 103
el14ja 3:8c5362716f4c 104 lcd.refresh();
el14ja 4:7160c74529f7 105
el14ja 4:7160c74529f7 106 //checks the down button to move the pointer down
el14ja 3:8c5362716f4c 107 if(g_down) {
el14ja 3:8c5362716f4c 108 g_left = 0;
el14ja 3:8c5362716f4c 109 g_right = 0;
el14ja 0:ce5c75c04dc2 110 g_spin = 0;
el14ja 0:ce5c75c04dc2 111 g_down = 0;
el14ja 4:7160c74529f7 112 if(pointer < 2) { //the max pos is 2 so the point doesnt move any lower
el14ja 3:8c5362716f4c 113 pointer++;
el14ja 0:ce5c75c04dc2 114 }
el14ja 1:2b9ba34131ca 115
el14ja 1:2b9ba34131ca 116 }
el14ja 1:2b9ba34131ca 117
el14ja 4:7160c74529f7 118 //checks the spin button to move the pointer up
el14ja 3:8c5362716f4c 119 if(g_spin) {
el14ja 3:8c5362716f4c 120 g_left = 0;
el14ja 3:8c5362716f4c 121 g_right = 0;
el14ja 3:8c5362716f4c 122 g_spin = 0;
el14ja 3:8c5362716f4c 123 g_down = 0;
el14ja 4:7160c74529f7 124 if(pointer >0) { //0 is the lower pointer pos
el14ja 3:8c5362716f4c 125 pointer--;
el14ja 3:8c5362716f4c 126 }
el14ja 3:8c5362716f4c 127 }
el14ja 3:8c5362716f4c 128
el14ja 4:7160c74529f7 129 //selects option 0 if the pointer is there and left is pressed
el14ja 4:7160c74529f7 130 //selects main menu
el14ja 3:8c5362716f4c 131 if(g_left && pointer == 0) {
el14ja 3:8c5362716f4c 132 g_left = 0;
el14ja 3:8c5362716f4c 133 g_right = 0;
el14ja 3:8c5362716f4c 134 g_spin = 0;
el14ja 3:8c5362716f4c 135 g_down = 0;
el14ja 3:8c5362716f4c 136 gamemenu = false;
el14ja 3:8c5362716f4c 137 }
el14ja 3:8c5362716f4c 138
el14ja 4:7160c74529f7 139 //selects option 1 if the pointer is there and left is pressed
el14ja 4:7160c74529f7 140 //turns music on
el14ja 3:8c5362716f4c 141 if(g_left && pointer == 1) {
el14ja 3:8c5362716f4c 142 g_left = 0;
el14ja 3:8c5362716f4c 143 g_right = 0;
el14ja 3:8c5362716f4c 144 g_spin = 0;
el14ja 3:8c5362716f4c 145 g_down = 0;
el14ja 3:8c5362716f4c 146 if(!musicplaying) {
el14ja 3:8c5362716f4c 147 musicplaying = true;
el14ja 3:8c5362716f4c 148 } else {
el14ja 3:8c5362716f4c 149 musicplaying = false;
el14ja 3:8c5362716f4c 150 }
el14ja 3:8c5362716f4c 151 lcd.refresh();
el14ja 4:7160c74529f7 152
el14ja 3:8c5362716f4c 153 }
el14ja 0:ce5c75c04dc2 154
el14ja 4:7160c74529f7 155 //selects option 2 if the pointer is there and left is pressed
el14ja 4:7160c74529f7 156 //selects the help screen
el14ja 3:8c5362716f4c 157 if(g_left && pointer == 2) {
el14ja 3:8c5362716f4c 158 g_left = 0;
el14ja 3:8c5362716f4c 159 g_right = 0;
el14ja 3:8c5362716f4c 160 g_spin = 0;
el14ja 3:8c5362716f4c 161 g_down = 0;
el14ja 3:8c5362716f4c 162 helpScreen();
el14ja 3:8c5362716f4c 163 }
el14ja 3:8c5362716f4c 164
el14ja 3:8c5362716f4c 165 for(int i = 0; i<4; i++) { //clear the points before the new one is places
el14ja 3:8c5362716f4c 166 for(int j = 10; j < 50; j++) {
el14ja 4:7160c74529f7 167 lcd.clearPixel(70+i,j);
el14ja 3:8c5362716f4c 168 }
el14ja 3:8c5362716f4c 169 }
el14ja 0:ce5c75c04dc2 170
el14ja 4:7160c74529f7 171 lcd.drawRect(70,10+ (pointer *16),3,3,0); //draws pointer on the screen
el14ja 3:8c5362716f4c 172 lcd.refresh();
el14ja 3:8c5362716f4c 173
el14ja 3:8c5362716f4c 174 sleep();
el14ja 3:8c5362716f4c 175 }
el14ja 3:8c5362716f4c 176 //set all the flags to zero before the game starts
el14ja 3:8c5362716f4c 177 }
el14ja 3:8c5362716f4c 178
el14ja 7:dfb290c7958c 179 void startScreen(){
el14ja 7:dfb290c7958c 180
el14ja 7:dfb290c7958c 181 lcd.printString("TETRIS",27,1);
el14ja 7:dfb290c7958c 182 lcd.printString("Created by",12,2);
el14ja 7:dfb290c7958c 183 lcd.printString("Joe Allison",9,3);
el14ja 7:dfb290c7958c 184 lcd.refresh();
el14ja 7:dfb290c7958c 185 }
el14ja 7:dfb290c7958c 186
el14ja 4:7160c74529f7 187
el14ja 4:7160c74529f7 188 void gameOverScreen()
el14ja 4:7160c74529f7 189 {
el14ja 7:dfb290c7958c 190 buzzer.write(0);
el14ja 4:7160c74529f7 191 bool gameoverscreen = true;
el14ja 4:7160c74529f7 192 lcd.clear();
el14ja 4:7160c74529f7 193
el14ja 4:7160c74529f7 194 lcd.printString("GAME OVER",15,1);
el14ja 4:7160c74529f7 195
el14ja 4:7160c74529f7 196 //prints the score on the screen
el14ja 4:7160c74529f7 197 char buffer[14];
el14ja 4:7160c74529f7 198 int length = sprintf(buffer,"Score = %d",score);
el14ja 4:7160c74529f7 199 if(length <=14) {
el14ja 4:7160c74529f7 200 lcd.printString(buffer,0,3);
el14ja 4:7160c74529f7 201 lcd.refresh();
el14ja 4:7160c74529f7 202 }
el14ja 4:7160c74529f7 203
el14ja 4:7160c74529f7 204 while (gameoverscreen) {
el14ja 4:7160c74529f7 205 //waits for any button to be pressed to leave the game over screen
el14ja 4:7160c74529f7 206 if(g_left || g_right || g_spin || g_down) {
el14ja 4:7160c74529f7 207 g_left = 0;
el14ja 4:7160c74529f7 208 g_right = 0;
el14ja 4:7160c74529f7 209 g_spin = 0;
el14ja 4:7160c74529f7 210 g_down = 0;
el14ja 4:7160c74529f7 211 gameoverscreen = false;
el14ja 4:7160c74529f7 212 lcd.clear();
el14ja 4:7160c74529f7 213
el14ja 4:7160c74529f7 214 }
el14ja 4:7160c74529f7 215 sleep();
el14ja 4:7160c74529f7 216 }
el14ja 4:7160c74529f7 217 }
el14ja 4:7160c74529f7 218
el14ja 3:8c5362716f4c 219 void helpScreen()
el14ja 3:8c5362716f4c 220 {
el14ja 4:7160c74529f7 221
el14ja 4:7160c74529f7 222 // help screen 1
el14ja 3:8c5362716f4c 223 bool helpScreen = true;
el14ja 3:8c5362716f4c 224 lcd.clear();
el14ja 4:7160c74529f7 225 //prints screen text
el14ja 3:8c5362716f4c 226 lcd.printString("Move pieces",0,0);
el14ja 3:8c5362716f4c 227 lcd.printString("with the D-pad",0,1);
el14ja 3:8c5362716f4c 228 lcd.printString("to create rows",0,2);
el14ja 3:8c5362716f4c 229 lcd.printString("Press any",0,4);
el14ja 3:8c5362716f4c 230 lcd.printString("button",0,5);
el14ja 3:8c5362716f4c 231 lcd.refresh();
el14ja 4:7160c74529f7 232 //waits for any button to be pressed
el14ja 3:8c5362716f4c 233 while (helpScreen) {
el14ja 3:8c5362716f4c 234
el14ja 3:8c5362716f4c 235 if(g_left || g_right || g_spin || g_down) {
el14ja 3:8c5362716f4c 236 g_left = 0;
el14ja 3:8c5362716f4c 237 g_right = 0;
el14ja 3:8c5362716f4c 238 g_spin = 0;
el14ja 3:8c5362716f4c 239 g_down = 0;
el14ja 3:8c5362716f4c 240 helpScreen = false;
el14ja 3:8c5362716f4c 241 lcd.clear();
el14ja 3:8c5362716f4c 242
el14ja 3:8c5362716f4c 243 }
el14ja 3:8c5362716f4c 244 sleep();
el14ja 3:8c5362716f4c 245 }
el14ja 3:8c5362716f4c 246
el14ja 4:7160c74529f7 247 // help screen 2
el14ja 3:8c5362716f4c 248 helpScreen = true;
el14ja 3:8c5362716f4c 249 lcd.clear();
el14ja 4:7160c74529f7 250
el14ja 4:7160c74529f7 251 //prints screen text and images
el14ja 3:8c5362716f4c 252 lcd.drawCircle(42,5,4,0);
el14ja 3:8c5362716f4c 253 lcd.drawCircle(31,16,4,0);
el14ja 3:8c5362716f4c 254 lcd.drawCircle(53,16,4,0);
el14ja 3:8c5362716f4c 255 lcd.drawCircle(42,26,4,0);
el14ja 3:8c5362716f4c 256 lcd.printString("Spin",5,0);
el14ja 3:8c5362716f4c 257 lcd.printString("Left",2,2);
el14ja 3:8c5362716f4c 258 lcd.printString("Right",55,0);
el14ja 3:8c5362716f4c 259 lcd.printString("Drop",60,3);
el14ja 3:8c5362716f4c 260 lcd.drawLine(29,4,42,5,1); //spin
el14ja 3:8c5362716f4c 261 lcd.drawLine(53,5,53,16,1); //right
el14ja 3:8c5362716f4c 262 lcd.drawLine(25,19,31,16,1); //left
el14ja 3:8c5362716f4c 263 lcd.drawLine(58,27,42,26,1); //drop
el14ja 3:8c5362716f4c 264
el14ja 3:8c5362716f4c 265 lcd.printString("Press any",0,4);
el14ja 3:8c5362716f4c 266 lcd.printString("button",0,5);
el14ja 0:ce5c75c04dc2 267 lcd.refresh();
el14ja 0:ce5c75c04dc2 268
el14ja 4:7160c74529f7 269 //waits for any button to be pressed
el14ja 3:8c5362716f4c 270 while (helpScreen) {
el14ja 3:8c5362716f4c 271
el14ja 3:8c5362716f4c 272 if(g_left || g_right || g_spin || g_down) {
el14ja 3:8c5362716f4c 273 g_left = 0;
el14ja 3:8c5362716f4c 274 g_right = 0;
el14ja 3:8c5362716f4c 275 g_spin = 0;
el14ja 3:8c5362716f4c 276 g_down = 0;
el14ja 3:8c5362716f4c 277 helpScreen = false;
el14ja 3:8c5362716f4c 278 lcd.clear();
el14ja 3:8c5362716f4c 279 }
el14ja 3:8c5362716f4c 280 sleep();
el14ja 3:8c5362716f4c 281 }
el14ja 3:8c5362716f4c 282
el14ja 4:7160c74529f7 283
el14ja 4:7160c74529f7 284 // help screen 3
el14ja 4:7160c74529f7 285
el14ja 4:7160c74529f7 286 helpScreen = true;
el14ja 4:7160c74529f7 287 lcd.clear();
el14ja 4:7160c74529f7 288
el14ja 4:7160c74529f7 289 //prints screen text
el14ja 4:7160c74529f7 290 lcd.printString("Press left and",0,0);
el14ja 4:7160c74529f7 291 lcd.printString("right together",0,1);
el14ja 6:9cb8171ca6df 292 lcd.printString("to pause the",0,2);
el14ja 4:7160c74529f7 293 lcd.printString("game",0,3);
el14ja 4:7160c74529f7 294
el14ja 4:7160c74529f7 295
el14ja 4:7160c74529f7 296 lcd.printString("Press any",0,4);
el14ja 4:7160c74529f7 297 lcd.printString("button",0,5);
el14ja 4:7160c74529f7 298 lcd.refresh();
el14ja 4:7160c74529f7 299
el14ja 4:7160c74529f7 300 //waits for any button to be pressed
el14ja 4:7160c74529f7 301 while (helpScreen) {
el14ja 4:7160c74529f7 302
el14ja 4:7160c74529f7 303 if(g_left || g_right || g_spin || g_down) {
el14ja 4:7160c74529f7 304 g_left = 0;
el14ja 4:7160c74529f7 305 g_right = 0;
el14ja 4:7160c74529f7 306 g_spin = 0;
el14ja 4:7160c74529f7 307 g_down = 0;
el14ja 4:7160c74529f7 308 helpScreen = false;
el14ja 4:7160c74529f7 309 lcd.clear();
el14ja 4:7160c74529f7 310 }
el14ja 4:7160c74529f7 311 sleep();
el14ja 4:7160c74529f7 312 }
el14ja 3:8c5362716f4c 313 }
el14ja 3:8c5362716f4c 314
el14ja 3:8c5362716f4c 315 void checkGameFlags()
el14ja 3:8c5362716f4c 316 {
el14ja 4:7160c74529f7 317 if(g_pausemenu) { //if both left and right havent been pressed within 0.1s both flags are reset to 0
el14ja 4:7160c74529f7 318 g_pausemenu = 0;
el14ja 4:7160c74529f7 319 pauseright = 0;
el14ja 4:7160c74529f7 320 pauseleft = 0;
el14ja 4:7160c74529f7 321 }
el14ja 4:7160c74529f7 322
el14ja 4:7160c74529f7 323 //checks if both left and right have been pressed at the same time
el14ja 4:7160c74529f7 324 if(pauseright && pauseleft) {
el14ja 4:7160c74529f7 325 pauseright = 0;
el14ja 4:7160c74529f7 326 pauseleft = 0;
el14ja 4:7160c74529f7 327 lcd.clear();
el14ja 4:7160c74529f7 328 lcd.printString("PAUSE",27,2);
el14ja 4:7160c74529f7 329 lcd.refresh();
el14ja 4:7160c74529f7 330 buzzer.write(0.0); //silences music while on the pause menu
el14ja 4:7160c74529f7 331 while(1) { //waits in a loop til the both left and right are pressed
el14ja 4:7160c74529f7 332
el14ja 4:7160c74529f7 333 if(pauseright && pauseleft) {
el14ja 4:7160c74529f7 334 pauseright = 0;
el14ja 4:7160c74529f7 335 pauseleft = 0;
el14ja 4:7160c74529f7 336
el14ja 4:7160c74529f7 337 break;
el14ja 4:7160c74529f7 338 }
el14ja 4:7160c74529f7 339 sleep();
el14ja 4:7160c74529f7 340 }
el14ja 4:7160c74529f7 341
el14ja 4:7160c74529f7 342 //sets all flags to 0 incase they are pressed during the pause screen
el14ja 4:7160c74529f7 343 g_left = 0;
el14ja 4:7160c74529f7 344 g_right = 0;
el14ja 4:7160c74529f7 345 g_spin = 0;
el14ja 4:7160c74529f7 346 g_down = 0;
el14ja 4:7160c74529f7 347
el14ja 4:7160c74529f7 348 if(musicplaying) { //trubs music back on
el14ja 4:7160c74529f7 349 buzzer.write(0.5);
el14ja 4:7160c74529f7 350 } else {
el14ja 4:7160c74529f7 351 buzzer.write(0);
el14ja 4:7160c74529f7 352 }
el14ja 4:7160c74529f7 353
el14ja 4:7160c74529f7 354 //resets the game area
el14ja 4:7160c74529f7 355 setGameArea();
el14ja 4:7160c74529f7 356 tetris.piecePlace(pieceposition[0],pieceposition[1],shapes[currentshape][orientation]);
el14ja 4:7160c74529f7 357 }
el14ja 4:7160c74529f7 358
el14ja 4:7160c74529f7 359 //checks if a new piece need placing in the game
el14ja 3:8c5362716f4c 360 if(g_newpiece) {
el14ja 3:8c5362716f4c 361 g_newpiece = 0;
el14ja 3:8c5362716f4c 362 newpiece();
el14ja 3:8c5362716f4c 363 }
el14ja 3:8c5362716f4c 364
el14ja 4:7160c74529f7 365 //checks if the right button has been pressed
el14ja 3:8c5362716f4c 366 if(g_right) {
el14ja 3:8c5362716f4c 367 g_right = 0;
el14ja 3:8c5362716f4c 368 movePieceRight();
el14ja 3:8c5362716f4c 369 }
el14ja 3:8c5362716f4c 370
el14ja 4:7160c74529f7 371 //checks if the left button has been pressed
el14ja 3:8c5362716f4c 372 if(g_left) {
el14ja 3:8c5362716f4c 373 g_left = 0;
el14ja 4:7160c74529f7 374 movePieceLeft();
el14ja 4:7160c74529f7 375 }
el14ja 3:8c5362716f4c 376
el14ja 4:7160c74529f7 377 //checks the game time to see if the piece needs moving down
el14ja 3:8c5362716f4c 378 if (g_timer_flag) {
el14ja 3:8c5362716f4c 379 g_timer_flag = 0;
el14ja 3:8c5362716f4c 380
el14ja 4:7160c74529f7 381 //checks if there is a place for the piece to move down to, if not the piece is placed
el14ja 4:7160c74529f7 382 if(movePossible(pieceposition[0],pieceposition[1]+1,orientation)) { //returns false if piece cant move down
el14ja 3:8c5362716f4c 383
el14ja 3:8c5362716f4c 384 movePieceDown();
el14ja 3:8c5362716f4c 385
el14ja 3:8c5362716f4c 386 } else { //piece placed
el14ja 3:8c5362716f4c 387
el14ja 4:7160c74529f7 388 g_newpiece = 1; //a new piece is needed as the last one is placed
el14ja 4:7160c74529f7 389 pieceToGameArray(); //adds the placed piece to the game area
el14ja 3:8c5362716f4c 390
el14ja 4:7160c74529f7 391 if(harddropping) {//if piece has been placed after a hard drop the game speed is set back to normal
el14ja 3:8c5362716f4c 392 harddropping = 0;
el14ja 3:8c5362716f4c 393 setTicker(gamespeed);
el14ja 3:8c5362716f4c 394 }
el14ja 4:7160c74529f7 395
el14ja 4:7160c74529f7 396 //if a piece has been placed, it needs to be check to see if a full line is complete
el14ja 3:8c5362716f4c 397 checkCompleteLine();
el14ja 3:8c5362716f4c 398 setGameArea();
el14ja 3:8c5362716f4c 399
el14ja 3:8c5362716f4c 400 }
el14ja 3:8c5362716f4c 401 }
el14ja 3:8c5362716f4c 402
el14ja 3:8c5362716f4c 403 if(g_spin) {
el14ja 3:8c5362716f4c 404 g_spin = 0;
el14ja 3:8c5362716f4c 405 spinPiece();
el14ja 3:8c5362716f4c 406
el14ja 3:8c5362716f4c 407 }
el14ja 3:8c5362716f4c 408
el14ja 3:8c5362716f4c 409 if(g_down) {
el14ja 3:8c5362716f4c 410 g_down = 0;
el14ja 4:7160c74529f7 411 //when hard dropping the drop ticker is spead up
el14ja 3:8c5362716f4c 412 setTicker(0.001);
el14ja 3:8c5362716f4c 413 harddropping = 1;
el14ja 3:8c5362716f4c 414 }
el14ja 3:8c5362716f4c 415
el14ja 4:7160c74529f7 416
el14ja 3:8c5362716f4c 417 if(g_music) {
el14ja 3:8c5362716f4c 418 g_music = 0;
el14ja 4:7160c74529f7 419 buzzer.period_us(musisnotes[musiccounter]); //play the note in the musicnotes
el14ja 4:7160c74529f7 420 musiccounter++; //incriments the music counter
el14ja 3:8c5362716f4c 421
el14ja 3:8c5362716f4c 422 if(musiccounter > 63) {
el14ja 3:8c5362716f4c 423 musiccounter = 0;
el14ja 3:8c5362716f4c 424 }
el14ja 3:8c5362716f4c 425
el14ja 3:8c5362716f4c 426 }
el14ja 3:8c5362716f4c 427 }
el14ja 3:8c5362716f4c 428
el14ja 4:7160c74529f7 429 void setupInterruptInputs(){
el14ja 4:7160c74529f7 430 //internal resistors set to pull down so that when the button is pressed the voltage is read as high
el14ja 4:7160c74529f7 431 left.mode(PullDown);
el14ja 4:7160c74529f7 432 right.mode(PullDown);
el14ja 4:7160c74529f7 433 spin.mode(PullDown);
el14ja 4:7160c74529f7 434 down.mode(PullDown);
el14ja 4:7160c74529f7 435
el14ja 4:7160c74529f7 436 //sets the the interrupts to be called when the button is pressed down
el14ja 4:7160c74529f7 437 left.rise(&left_isr);
el14ja 4:7160c74529f7 438 right.rise(&right_isr);
el14ja 4:7160c74529f7 439 spin.rise(&spin_isr);
el14ja 4:7160c74529f7 440 down.rise(&down_isr);
el14ja 4:7160c74529f7 441 }
el14ja 4:7160c74529f7 442
el14ja 3:8c5362716f4c 443 void setGameAreaArray()
el14ja 3:8c5362716f4c 444 {
el14ja 3:8c5362716f4c 445 //fill gamearea add the walls
el14ja 4:7160c74529f7 446 //sets 1's around the bottoms and sides
el14ja 0:ce5c75c04dc2 447 for(int i = 0; i<12; i++) {
el14ja 0:ce5c75c04dc2 448 for(int j = 0; j<16; j++) {
el14ja 0:ce5c75c04dc2 449 gamearea[i][j] = 1;
el14ja 0:ce5c75c04dc2 450 }
el14ja 0:ce5c75c04dc2 451 }
el14ja 4:7160c74529f7 452 //fills the middle with 0's
el14ja 0:ce5c75c04dc2 453 for(int i = 1; i<11; i++) {
el14ja 0:ce5c75c04dc2 454 for(int j = 0; j<15; j++) {
el14ja 0:ce5c75c04dc2 455 gamearea[i][j] = 0;
el14ja 0:ce5c75c04dc2 456 }
el14ja 0:ce5c75c04dc2 457 }
el14ja 0:ce5c75c04dc2 458 }
el14ja 0:ce5c75c04dc2 459
el14ja 4:7160c74529f7 460 bool movePossible(int xpos, int ypos, int orientation)
el14ja 0:ce5c75c04dc2 461 {
el14ja 0:ce5c75c04dc2 462
el14ja 0:ce5c75c04dc2 463 if (orientation > 3) {
el14ja 0:ce5c75c04dc2 464 orientation = 0;
el14ja 0:ce5c75c04dc2 465 }
el14ja 4:7160c74529f7 466 int count = 0; //counter to count through all 16 bits
el14ja 0:ce5c75c04dc2 467
el14ja 4:7160c74529f7 468 for(int y = 0; y < 4; y++) {
el14ja 0:ce5c75c04dc2 469 for(int x = 0; x < 4; x++) {
el14ja 0:ce5c75c04dc2 470
el14ja 0:ce5c75c04dc2 471 int bit = shapes[currentshape][orientation] & (1<<count); //find the bit of each pixel
el14ja 0:ce5c75c04dc2 472
el14ja 0:ce5c75c04dc2 473 count ++;
el14ja 0:ce5c75c04dc2 474
el14ja 4:7160c74529f7 475 if ((bit !=0) && (gamearea[xpos+x+1][ypos+y]!=0)) { //compares each pixel of the piece witht he game array to check for collisions
el14ja 0:ce5c75c04dc2 476 return false;
el14ja 0:ce5c75c04dc2 477 }
el14ja 0:ce5c75c04dc2 478 }
el14ja 0:ce5c75c04dc2 479 }
el14ja 0:ce5c75c04dc2 480
el14ja 0:ce5c75c04dc2 481 return true;
el14ja 0:ce5c75c04dc2 482 }
el14ja 0:ce5c75c04dc2 483
el14ja 4:7160c74529f7 484 void newpiece()
el14ja 0:ce5c75c04dc2 485 {
el14ja 3:8c5362716f4c 486
el14ja 0:ce5c75c04dc2 487 orientation = 0; //set the orientation back to zero
el14ja 0:ce5c75c04dc2 488 pieceposition[0] = 4; //sets the position back to the top
el14ja 0:ce5c75c04dc2 489 pieceposition[1] = 0;
el14ja 0:ce5c75c04dc2 490
el14ja 1:2b9ba34131ca 491 //clearGame();
el14ja 1:2b9ba34131ca 492 //setGameArea();
el14ja 1:2b9ba34131ca 493
el14ja 4:7160c74529f7 494 currentshape = nextshape[shapebagcounter]; //gets the next shape to place on the screen
el14ja 4:7160c74529f7 495 tetris.piecePlace(pieceposition[0],pieceposition[1],shapes[currentshape][orientation]);//places the new piece
el14ja 0:ce5c75c04dc2 496
el14ja 0:ce5c75c04dc2 497
el14ja 0:ce5c75c04dc2 498 if(shapebagcounter > 5) { //when counter becomes 6
el14ja 0:ce5c75c04dc2 499 newShapeBag(); //a new bag is created
el14ja 0:ce5c75c04dc2 500 shapebagcounter = 0;
el14ja 0:ce5c75c04dc2 501 nextpiece = nextshape[0];
el14ja 0:ce5c75c04dc2 502 } else {
el14ja 0:ce5c75c04dc2 503 nextpiece = nextshape[shapebagcounter+1];
el14ja 0:ce5c75c04dc2 504 shapebagcounter++; //incrimenst the counter
el14ja 0:ce5c75c04dc2 505 }
el14ja 4:7160c74529f7 506
el14ja 3:8c5362716f4c 507 tetris.gameInfo(score,level,nextpiece);
el14ja 3:8c5362716f4c 508
el14ja 4:7160c74529f7 509 if(!movePossible(pieceposition[0],pieceposition[1]+1,orientation)) {//if a piece is placed and imidiatly cant move the game is over
el14ja 3:8c5362716f4c 510 gameplaying = false;
el14ja 3:8c5362716f4c 511 }
el14ja 3:8c5362716f4c 512
el14ja 0:ce5c75c04dc2 513 }
el14ja 0:ce5c75c04dc2 514
el14ja 4:7160c74529f7 515 void newShapeBag()
el14ja 0:ce5c75c04dc2 516 {
el14ja 0:ce5c75c04dc2 517
el14ja 0:ce5c75c04dc2 518 bool match = false;
el14ja 0:ce5c75c04dc2 519 int newrandomnumber;
el14ja 0:ce5c75c04dc2 520
el14ja 0:ce5c75c04dc2 521 nextshape[0] = rand()%7; //creates first random number
el14ja 0:ce5c75c04dc2 522
el14ja 4:7160c74529f7 523 for(int i = 1; i < 7; i++){ //loops to find all 7 numbers
el14ja 0:ce5c75c04dc2 524
el14ja 0:ce5c75c04dc2 525 do {
el14ja 0:ce5c75c04dc2 526 newrandomnumber = rand()%7;
el14ja 0:ce5c75c04dc2 527
el14ja 0:ce5c75c04dc2 528 match = false; //set to false to end the do while if no match is found
el14ja 0:ce5c75c04dc2 529
el14ja 0:ce5c75c04dc2 530 for(int j = 0; j < i; j++) {
el14ja 0:ce5c75c04dc2 531
el14ja 0:ce5c75c04dc2 532 if (newrandomnumber == nextshape[j]) { //checks to see if number has already been chosen
el14ja 0:ce5c75c04dc2 533 match = true;// continue do while if a match is found
el14ja 0:ce5c75c04dc2 534 break; //end the for loop that is checking for a match
el14ja 0:ce5c75c04dc2 535 }
el14ja 0:ce5c75c04dc2 536 }
el14ja 0:ce5c75c04dc2 537 } while(match);
el14ja 0:ce5c75c04dc2 538
el14ja 0:ce5c75c04dc2 539 nextshape[i] = newrandomnumber; //set new found number into the newshape array
el14ja 0:ce5c75c04dc2 540 }
el14ja 0:ce5c75c04dc2 541 }
el14ja 0:ce5c75c04dc2 542
el14ja 4:7160c74529f7 543 void checkCompleteLine()
el14ja 0:ce5c75c04dc2 544 {
el14ja 0:ce5c75c04dc2 545
el14ja 0:ce5c75c04dc2 546 int rowscomplete[4] = {0,0,0,0}; //max of 4 rows can be completed with a single block
el14ja 0:ce5c75c04dc2 547 int rowscompletecounter = 0; //counter to place complete row in the array
el14ja 0:ce5c75c04dc2 548 int sum = 0;
el14ja 0:ce5c75c04dc2 549 bool rowtoremove = false;
el14ja 0:ce5c75c04dc2 550 for(int y = 0; y <15; y++) { //searches through all the rows
el14ja 0:ce5c75c04dc2 551
el14ja 0:ce5c75c04dc2 552 for(int x = 1; x<11; x++) {
el14ja 0:ce5c75c04dc2 553 if(gamearea[x][y] == 1) {
el14ja 1:2b9ba34131ca 554 sum++; //counts how many filled cells
el14ja 0:ce5c75c04dc2 555 }
el14ja 0:ce5c75c04dc2 556 }
el14ja 1:2b9ba34131ca 557 if(sum == 10) { //if all 10 cells are full
el14ja 0:ce5c75c04dc2 558 //pc.printf("%d complete \n",y);
el14ja 1:2b9ba34131ca 559 rowscomplete[rowscompletecounter] = y; //sets it as a completed row
el14ja 0:ce5c75c04dc2 560 rowscompletecounter++;
el14ja 0:ce5c75c04dc2 561 rowtoremove = true;
el14ja 0:ce5c75c04dc2 562 }
el14ja 0:ce5c75c04dc2 563 sum = 0;
el14ja 0:ce5c75c04dc2 564 }
el14ja 3:8c5362716f4c 565
el14ja 4:7160c74529f7 566 completedlines += rowscompletecounter; //adds the new completed rows to the row total
el14ja 1:2b9ba34131ca 567 if(rowtoremove) {//runs if a row is complete
el14ja 1:2b9ba34131ca 568 int prevlevel = level;
el14ja 1:2b9ba34131ca 569 level = int((completedlines/10)+1);
el14ja 1:2b9ba34131ca 570
el14ja 1:2b9ba34131ca 571 if (prevlevel != level) {
el14ja 4:7160c74529f7 572 gamespeed = 0.8606*exp(-0.073*level); //the game speed is set depending on the level
el14ja 1:2b9ba34131ca 573
el14ja 1:2b9ba34131ca 574 setTicker(gamespeed);
el14ja 1:2b9ba34131ca 575 }
el14ja 4:7160c74529f7 576 removeCompleteLines(rowscomplete);
el14ja 0:ce5c75c04dc2 577 }
el14ja 4:7160c74529f7 578
el14ja 4:7160c74529f7 579 //increases the score depending on the number of rows complete
el14ja 1:2b9ba34131ca 580 if(rowscompletecounter == 1) {
el14ja 0:ce5c75c04dc2 581 score += 100;
el14ja 1:2b9ba34131ca 582 } else if(rowscompletecounter == 2) {
el14ja 0:ce5c75c04dc2 583 score += 250;
el14ja 1:2b9ba34131ca 584 } else if(rowscompletecounter == 3) {
el14ja 0:ce5c75c04dc2 585 score += 500;
el14ja 1:2b9ba34131ca 586 } else if(rowscompletecounter == 4) {
el14ja 0:ce5c75c04dc2 587 score += 1000;
el14ja 0:ce5c75c04dc2 588 }
el14ja 0:ce5c75c04dc2 589 }
el14ja 0:ce5c75c04dc2 590
el14ja 4:7160c74529f7 591 void removeCompleteLines(int rowscomplete[4])
el14ja 0:ce5c75c04dc2 592 {
el14ja 1:2b9ba34131ca 593 for(int i = 0; i<4; i++) { //loops throught the max 4 lines that have been completed
el14ja 0:ce5c75c04dc2 594 if(rowscomplete[i] >0) {
el14ja 0:ce5c75c04dc2 595
el14ja 0:ce5c75c04dc2 596 for(int j = 1; j<11; j++) { //delete complete row
el14ja 0:ce5c75c04dc2 597 gamearea[j][rowscomplete[i]] = 0;
el14ja 0:ce5c75c04dc2 598 }
el14ja 0:ce5c75c04dc2 599
el14ja 0:ce5c75c04dc2 600 for(int j = rowscomplete[i]; j>0; j--) { //runs through all the rows to copy, j starts at deleted row
el14ja 0:ce5c75c04dc2 601 for(int k = 1; k<11; k++) { //runs through all the numbers in the row
el14ja 1:2b9ba34131ca 602 gamearea[k][j] = gamearea[k][j-1];
el14ja 0:ce5c75c04dc2 603 }
el14ja 0:ce5c75c04dc2 604 }
el14ja 0:ce5c75c04dc2 605 for(int j = 1; j<11; j++) { //add zeros into the top line
el14ja 0:ce5c75c04dc2 606 gamearea[j][0] = 0;
el14ja 0:ce5c75c04dc2 607 }
el14ja 0:ce5c75c04dc2 608 }
el14ja 0:ce5c75c04dc2 609 }
el14ja 0:ce5c75c04dc2 610 }
el14ja 1:2b9ba34131ca 611
el14ja 3:8c5362716f4c 612 void pieceToGameArray()
el14ja 1:2b9ba34131ca 613 {
el14ja 4:7160c74529f7 614 int count = 0; //looks through the 16 bits of the shape
el14ja 1:2b9ba34131ca 615 for(int y = 0; y<4; y++) {
el14ja 1:2b9ba34131ca 616 for(int x = 0; x<4; x++) {
el14ja 4:7160c74529f7 617 int bit = shapes[currentshape][orientation] & (1<<count); //finds the bits of each shape
el14ja 1:2b9ba34131ca 618
el14ja 1:2b9ba34131ca 619 if (bit) {
el14ja 4:7160c74529f7 620 gamearea[pieceposition[0]+x+1][pieceposition[1]+y]=1; //sets the shape in the game area array
el14ja 1:2b9ba34131ca 621 }
el14ja 1:2b9ba34131ca 622 count++;
el14ja 1:2b9ba34131ca 623 }
el14ja 1:2b9ba34131ca 624 }
el14ja 1:2b9ba34131ca 625 }
el14ja 1:2b9ba34131ca 626
el14ja 0:ce5c75c04dc2 627 void setGameArea()
el14ja 0:ce5c75c04dc2 628 {
el14ja 3:8c5362716f4c 629 tetris.clearGame();//clears the area
el14ja 4:7160c74529f7 630 for(int x = 1; x<11; x++) { //loops through the whole game array
el14ja 0:ce5c75c04dc2 631 for(int y = 0; y<15; y++) {
el14ja 0:ce5c75c04dc2 632 if(gamearea[x][y] == 1) {
el14ja 3:8c5362716f4c 633 tetris.gamePixel(x-1,y); //x-1 because the gamearea array has 1's around the outside
el14ja 0:ce5c75c04dc2 634 }
el14ja 0:ce5c75c04dc2 635 }
el14ja 0:ce5c75c04dc2 636 }
el14ja 0:ce5c75c04dc2 637 }
el14ja 1:2b9ba34131ca 638
el14ja 1:2b9ba34131ca 639 void setTicker(float time)
el14ja 1:2b9ba34131ca 640 {
el14ja 2:61caca4dd3f0 641 ticker.detach();
el14ja 0:ce5c75c04dc2 642 ticker.attach(&moveDownTicker, time);
el14ja 1:2b9ba34131ca 643 }
el14ja 0:ce5c75c04dc2 644
el14ja 4:7160c74529f7 645
el14ja 4:7160c74529f7 646
el14ja 0:ce5c75c04dc2 647 void left_isr()
el14ja 0:ce5c75c04dc2 648 {
el14ja 1:2b9ba34131ca 649 if(g_lefttimeout) {
el14ja 1:2b9ba34131ca 650 g_left = 1;
el14ja 4:7160c74529f7 651 g_lefttimeout = 0;
el14ja 4:7160c74529f7 652 pauseleft = 1;
el14ja 4:7160c74529f7 653 lefttimeout.attach(&lefttimeout_isr,0.15); //sets the timeout so the button cant be pressed in quick sucsession
el14ja 4:7160c74529f7 654 pausemenu.attach(&pausemenu_isr,0.09); //sets timeout for the detection of both left and right pressed at the same time
el14ja 1:2b9ba34131ca 655 }
el14ja 0:ce5c75c04dc2 656 }
el14ja 0:ce5c75c04dc2 657 void right_isr()
el14ja 0:ce5c75c04dc2 658 {
el14ja 1:2b9ba34131ca 659 if(g_righttimeout) {
el14ja 1:2b9ba34131ca 660 g_right = 1;
el14ja 4:7160c74529f7 661 g_righttimeout = 0;
el14ja 4:7160c74529f7 662 pauseright = 1;
el14ja 4:7160c74529f7 663 righttimeout.attach(&righttimeout_isr,0.15);//sets the timeout so the button cant be pressed in quick sucsession
el14ja 4:7160c74529f7 664 pausemenu.attach(&pausemenu_isr,0.09); //sets timeout for the detection of both left and right pressed at the same time
el14ja 1:2b9ba34131ca 665 }
el14ja 0:ce5c75c04dc2 666 }
el14ja 0:ce5c75c04dc2 667 void spin_isr()
el14ja 0:ce5c75c04dc2 668 {
el14ja 1:2b9ba34131ca 669 if(g_spintimeout) {
el14ja 1:2b9ba34131ca 670 g_spin = 1;
el14ja 4:7160c74529f7 671 g_spintimeout = 0;
el14ja 4:7160c74529f7 672 spintimeout.attach(&spintimeout_isr,0.15);//sets the timeout so the button cant be pressed in quick sucsession
el14ja 1:2b9ba34131ca 673 }
el14ja 1:2b9ba34131ca 674 }
el14ja 1:2b9ba34131ca 675
el14ja 1:2b9ba34131ca 676 void down_isr()
el14ja 1:2b9ba34131ca 677 {
el14ja 1:2b9ba34131ca 678 if(g_downtimeout) {
el14ja 1:2b9ba34131ca 679 g_down = 1;
el14ja 4:7160c74529f7 680 g_downtimeout = 0;
el14ja 4:7160c74529f7 681 downtimeout.attach(&downtimeout_isr,0.4);//sets the timeout so the button cant be pressed in quick sucsession
el14ja 1:2b9ba34131ca 682 }
el14ja 1:2b9ba34131ca 683 }
el14ja 1:2b9ba34131ca 684
el14ja 4:7160c74529f7 685 //ISR's and flag setting
el14ja 4:7160c74529f7 686 void moveDownTicker()
el14ja 4:7160c74529f7 687 {
el14ja 4:7160c74529f7 688 g_timer_flag = 1;
el14ja 4:7160c74529f7 689 }
el14ja 4:7160c74529f7 690
el14ja 1:2b9ba34131ca 691 void music_isr()
el14ja 1:2b9ba34131ca 692 {
el14ja 1:2b9ba34131ca 693 g_music = 1;
el14ja 0:ce5c75c04dc2 694 }
el14ja 0:ce5c75c04dc2 695
el14ja 1:2b9ba34131ca 696 void lefttimeout_isr()
el14ja 1:2b9ba34131ca 697 {
el14ja 1:2b9ba34131ca 698 g_lefttimeout = 1;
el14ja 1:2b9ba34131ca 699 }
el14ja 1:2b9ba34131ca 700 void righttimeout_isr()
el14ja 1:2b9ba34131ca 701 {
el14ja 1:2b9ba34131ca 702 g_righttimeout = 1;
el14ja 1:2b9ba34131ca 703 }
el14ja 1:2b9ba34131ca 704 void spintimeout_isr()
el14ja 1:2b9ba34131ca 705 {
el14ja 1:2b9ba34131ca 706 g_spintimeout = 1;
el14ja 1:2b9ba34131ca 707 }
el14ja 1:2b9ba34131ca 708 void downtimeout_isr()
el14ja 1:2b9ba34131ca 709 {
el14ja 1:2b9ba34131ca 710 g_downtimeout = 1;
el14ja 1:2b9ba34131ca 711 }
el14ja 1:2b9ba34131ca 712
el14ja 4:7160c74529f7 713 void pausemenu_isr()
el14ja 4:7160c74529f7 714 {
el14ja 4:7160c74529f7 715 g_pausemenu = 1;
el14ja 4:7160c74529f7 716 }
el14ja 3:8c5362716f4c 717
el14ja 4:7160c74529f7 718
el14ja 4:7160c74529f7 719 //each move position it checks if the piece can be moved there and then moves them
el14ja 0:ce5c75c04dc2 720 void movePieceRight()
el14ja 0:ce5c75c04dc2 721 {
el14ja 2:61caca4dd3f0 722 if(movePossible(pieceposition[0]-1,pieceposition[1],orientation)) {
el14ja 3:8c5362716f4c 723 movePiece(1, 0,0);
el14ja 2:61caca4dd3f0 724 }
el14ja 0:ce5c75c04dc2 725 }
el14ja 0:ce5c75c04dc2 726 void movePieceLeft()
el14ja 0:ce5c75c04dc2 727 {
el14ja 2:61caca4dd3f0 728 if(movePossible(pieceposition[0]+1,pieceposition[1],orientation)) {
el14ja 3:8c5362716f4c 729 movePiece(-1, 0,0);
el14ja 2:61caca4dd3f0 730 }
el14ja 0:ce5c75c04dc2 731 }
el14ja 0:ce5c75c04dc2 732 void spinPiece()
el14ja 0:ce5c75c04dc2 733 {
el14ja 2:61caca4dd3f0 734 if(movePossible(pieceposition[0],pieceposition[1],orientation+1)) {
el14ja 3:8c5362716f4c 735
el14ja 3:8c5362716f4c 736 movePiece(0, 0,1);
el14ja 0:ce5c75c04dc2 737 }
el14ja 0:ce5c75c04dc2 738 }
el14ja 0:ce5c75c04dc2 739
el14ja 0:ce5c75c04dc2 740 void movePieceDown()
el14ja 0:ce5c75c04dc2 741 {
el14ja 2:61caca4dd3f0 742 movePiece(0, 1,0);
el14ja 0:ce5c75c04dc2 743 }
el14ja 0:ce5c75c04dc2 744
el14ja 4:7160c74529f7 745
el14ja 3:8c5362716f4c 746 void movePiece(int x, int y,int spin)
el14ja 3:8c5362716f4c 747 {
el14ja 4:7160c74529f7 748 tetris.pieceClear(pieceposition[0],pieceposition[1],shapes[currentshape][orientation]); //clears the piece before the piece is moved
el14ja 4:7160c74529f7 749 //changes the piece position or orientation
el14ja 1:2b9ba34131ca 750 pieceposition[0]= pieceposition[0] - x;
el14ja 1:2b9ba34131ca 751 pieceposition[1]= pieceposition[1] + y;
el14ja 1:2b9ba34131ca 752 orientation = orientation + spin;
el14ja 3:8c5362716f4c 753 if (orientation > 3) {
el14ja 1:2b9ba34131ca 754 orientation = 0;
el14ja 1:2b9ba34131ca 755 }
el14ja 4:7160c74529f7 756 tetris.piecePlace(pieceposition[0],pieceposition[1],shapes[currentshape][orientation]); //resets the piece
el14ja 3:8c5362716f4c 757 }
el14ja 3:8c5362716f4c 758
el14ja 3:8c5362716f4c 759