Zhe Cheng Lee / Mbed 2 deprecated PORGFINAL

this is the final version of Space Invaders

Dependencies:   NokiaLCD SDFileSystem SIgame mbed-rtos mbed wave_player

main.cpp@0:ee108329021b, 2013-03-05 (annotated)

Committer:
zlee9
Date:
Tue Mar 05 20:43:43 2013 +0000
Revision:
0:ee108329021b
This is the final version of Space Invaders

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zlee9 0:ee108329021b 1 /***************************************************************/
zlee9 0:ee108329021b 2 /***************************************************************/
zlee9 0:ee108329021b 3 /*** ***/
zlee9 0:ee108329021b 4 /*** Space Invaders Simulator ***/
zlee9 0:ee108329021b 5 /*** ***/
zlee9 0:ee108329021b 6 /*** ECE 4180 Developer Team: Space Pirates ***/
zlee9 0:ee108329021b 7 /*** Members: David Gaspard, Zhe Cheng Lee ***/
zlee9 0:ee108329021b 8 /*** ***/
zlee9 0:ee108329021b 9 /***************************************************************/
zlee9 0:ee108329021b 10 /***************************************************************/
zlee9 0:ee108329021b 11
zlee9 0:ee108329021b 12
zlee9 0:ee108329021b 13 /***************************************************************/
zlee9 0:ee108329021b 14 /* */
zlee9 0:ee108329021b 15 /* Libaries */
zlee9 0:ee108329021b 16 /* */
zlee9 0:ee108329021b 17 /***************************************************************/
zlee9 0:ee108329021b 18 #include "mbed.h"
zlee9 0:ee108329021b 19 #include "NokiaLCD.h"
zlee9 0:ee108329021b 20 #include "SIgame.h"
zlee9 0:ee108329021b 21 #include "rtos.h"
zlee9 0:ee108329021b 22 #include "SDFileSystem.h"
zlee9 0:ee108329021b 23 #include "wave_player.h"
zlee9 0:ee108329021b 24
zlee9 0:ee108329021b 25 /***************************************************************/
zlee9 0:ee108329021b 26 /* */
zlee9 0:ee108329021b 27 /* Classes and Global Variables */
zlee9 0:ee108329021b 28 /* */
zlee9 0:ee108329021b 29 /***************************************************************/
zlee9 0:ee108329021b 30 NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
zlee9 0:ee108329021b 31 DigitalIn button(p20); // Pushbutton for firing laser
zlee9 0:ee108329021b 32 AnalogIn horiz(p15); // From joystick for steering ship
zlee9 0:ee108329021b 33 SDFileSystem sd(p11, p12, p13, p14, "sd"); //SD card
zlee9 0:ee108329021b 34 AnalogOut DACout(p18);//Speaker out
zlee9 0:ee108329021b 35 wave_player waver(&DACout);//Wave player
zlee9 0:ee108329021b 36
zlee9 0:ee108329021b 37 int state;
zlee9 0:ee108329021b 38 int doneski;//done playing start music?
zlee9 0:ee108329021b 39
zlee9 0:ee108329021b 40 OBJECT wave[NUM_ALIEN_ROWS][NUM_ALIEN_COLS],
zlee9 0:ee108329021b 41 wave_old[NUM_ALIEN_ROWS][NUM_ALIEN_COLS];
zlee9 0:ee108329021b 42
zlee9 0:ee108329021b 43 /***************************************************************/
zlee9 0:ee108329021b 44 /* */
zlee9 0:ee108329021b 45 /* Prototypes */
zlee9 0:ee108329021b 46 /* */
zlee9 0:ee108329021b 47 /***************************************************************/
zlee9 0:ee108329021b 48 void start();
zlee9 0:ee108329021b 49 int game();
zlee9 0:ee108329021b 50 void lose();
zlee9 0:ee108329021b 51 void win();
zlee9 0:ee108329021b 52 void updateScreen(OBJECT ship, OBJECT ship_old, POINT ylaser, POINT ylaser_old,
zlee9 0:ee108329021b 53 POINT elaser[], POINT elaser_old[], int lives_rem);
zlee9 0:ee108329021b 54
zlee9 0:ee108329021b 55 void playstart(void const *args);
zlee9 0:ee108329021b 56 void startmusic(void const *args);
zlee9 0:ee108329021b 57
zlee9 0:ee108329021b 58
zlee9 0:ee108329021b 59 /***************************************************************/
zlee9 0:ee108329021b 60 /* */
zlee9 0:ee108329021b 61 /* Main program */
zlee9 0:ee108329021b 62 /* */
zlee9 0:ee108329021b 63 /***************************************************************/
zlee9 0:ee108329021b 64 int main()
zlee9 0:ee108329021b 65 {
zlee9 0:ee108329021b 66 doneski=0;
zlee9 0:ee108329021b 67 Thread thread(playstart);
zlee9 0:ee108329021b 68 Thread startmu(startmusic);
zlee9 0:ee108329021b 69 state = START;
zlee9 0:ee108329021b 70 button.mode(PullUp);
zlee9 0:ee108329021b 71
zlee9 0:ee108329021b 72 while (1) { // Game loop
zlee9 0:ee108329021b 73 switch (state) {
zlee9 0:ee108329021b 74 case START:
zlee9 0:ee108329021b 75 //Thread playmusic(playstart);
zlee9 0:ee108329021b 76 start(); // Start game
zlee9 0:ee108329021b 77 state = GAME;
zlee9 0:ee108329021b 78 break;
zlee9 0:ee108329021b 79
zlee9 0:ee108329021b 80 case GAME:
zlee9 0:ee108329021b 81 startmu.terminate();
zlee9 0:ee108329021b 82 doneski=1;
zlee9 0:ee108329021b 83 state = game(); // Actual game
zlee9 0:ee108329021b 84 break;
zlee9 0:ee108329021b 85
zlee9 0:ee108329021b 86 case LOSE:
zlee9 0:ee108329021b 87 lose(); // Losing screen
zlee9 0:ee108329021b 88 state = START;
zlee9 0:ee108329021b 89 break;
zlee9 0:ee108329021b 90
zlee9 0:ee108329021b 91 case WIN:
zlee9 0:ee108329021b 92 win(); // Winning screen
zlee9 0:ee108329021b 93 state = START;
zlee9 0:ee108329021b 94 break;
zlee9 0:ee108329021b 95 }
zlee9 0:ee108329021b 96 }
zlee9 0:ee108329021b 97 }
zlee9 0:ee108329021b 98
zlee9 0:ee108329021b 99
zlee9 0:ee108329021b 100 /***************************************************************/
zlee9 0:ee108329021b 101 /* */
zlee9 0:ee108329021b 102 /* Game-State Procedures */
zlee9 0:ee108329021b 103 /* */
zlee9 0:ee108329021b 104 /***************************************************************/
zlee9 0:ee108329021b 105 void start()
zlee9 0:ee108329021b 106 {
zlee9 0:ee108329021b 107 /******
zlee9 0:ee108329021b 108 * start
zlee9 0:ee108329021b 109 * Starts up game
zlee9 0:ee108329021b 110 ******/
zlee9 0:ee108329021b 111 lcd.cls();
zlee9 0:ee108329021b 112 lcd.locate(0,4);
zlee9 0:ee108329021b 113 lcd.printf("SPACE INVADERS");
zlee9 0:ee108329021b 114 lcd.locate(0,10);
zlee9 0:ee108329021b 115 lcd.printf("PRESS BUTTON TO CONTINUE");
zlee9 0:ee108329021b 116 WAIT4FULLPUSH(button);
zlee9 0:ee108329021b 117 }
zlee9 0:ee108329021b 118
zlee9 0:ee108329021b 119
zlee9 0:ee108329021b 120 int game()
zlee9 0:ee108329021b 121 {
zlee9 0:ee108329021b 122 /******
zlee9 0:ee108329021b 123 * game
zlee9 0:ee108329021b 124 * Handles the main gameplay. Prepares for win state if player destroys all
zlee9 0:ee108329021b 125 * aliens and lose state if player loses all lives
zlee9 0:ee108329021b 126 ******/
zlee9 0:ee108329021b 127 POINT ylaser, ylaser_old, elaser[ELASER_CAP], elaser_old[ELASER_CAP];
zlee9 0:ee108329021b 128 OBJECT ship, ship_old, *sh_alien, *frontline[NUM_ALIEN_COLS];
zlee9 0:ee108329021b 129 int time, lives_rem, als_rem, i;
zlee9 0:ee108329021b 130 float hper;
zlee9 0:ee108329021b 131 bool reach, left, lcancel;
zlee9 0:ee108329021b 132
zlee9 0:ee108329021b 133 // Set display screen
zlee9 0:ee108329021b 134 lcd.cls();
zlee9 0:ee108329021b 135 lcd.background(BLACK);
zlee9 0:ee108329021b 136
zlee9 0:ee108329021b 137 // Initialize
zlee9 0:ee108329021b 138 lives_rem = NUM_LIVES_START;
zlee9 0:ee108329021b 139 als_rem = NUM_ALIENS_START;
zlee9 0:ee108329021b 140 reach = left = lcancel = false;
zlee9 0:ee108329021b 141 time = 0;
zlee9 0:ee108329021b 142 summonWave(); // Starting locations of all alien
zlee9 0:ee108329021b 143 memcpy(wave_old, wave, sizeof(wave)); // Make copy for aliens' old locations
zlee9 0:ee108329021b 144
zlee9 0:ee108329021b 145 // Keep track of aliens in front of respective columns
zlee9 0:ee108329021b 146 for (i = 0; i < NUM_ALIEN_COLS; i++)
zlee9 0:ee108329021b 147 frontline[i] = &wave[NUM_ALIEN_ROWS][i];
zlee9 0:ee108329021b 148
zlee9 0:ee108329021b 149 // Set up laser structures
zlee9 0:ee108329021b 150 elaser[0].collide = elaser[1].collide = elaser[2].collide =
zlee9 0:ee108329021b 151 elaser_old[0].collide = elaser_old[1].collide = elaser_old[2].collide
zlee9 0:ee108329021b 152 = ylaser.collide = ylaser_old.collide = true; // No lasers on screen yet
zlee9 0:ee108329021b 153 // Enemy lasers are white
zlee9 0:ee108329021b 154 elaser[0].color = elaser[1].color = elaser[2].color = WHITE;
zlee9 0:ee108329021b 155 ylaser.color = GREEN; // Player's laser is green
zlee9 0:ee108329021b 156
zlee9 0:ee108329021b 157 // Set up player's ship
zlee9 0:ee108329021b 158 ship = startShip();
zlee9 0:ee108329021b 159 memcpy(&ship_old, &ship, sizeof(ship)); // Save copy for ship's old locations
zlee9 0:ee108329021b 160
zlee9 0:ee108329021b 161 // Game goes on until player loses all lives, destroy all aliens, or allow
zlee9 0:ee108329021b 162 // any alien to reach screen border on player's side
zlee9 0:ee108329021b 163 while (!reach && lives_rem > 0 && als_rem > 0) {
zlee9 0:ee108329021b 164 /* Laser Movement */
zlee9 0:ee108329021b 165 /******************/
zlee9 0:ee108329021b 166 // Player's laser is on screen
zlee9 0:ee108329021b 167 if (!(ylaser.collide)) {
zlee9 0:ee108329021b 168 if (ylaser.y >= 0)
zlee9 0:ee108329021b 169 (ylaser.y)-= 3; // Laser travels up to aliens' side
zlee9 0:ee108329021b 170 else
zlee9 0:ee108329021b 171 ylaser.collide = true; // Laser vanishes at top of screen
zlee9 0:ee108329021b 172 }
zlee9 0:ee108329021b 173
zlee9 0:ee108329021b 174 // Enemy lasers is on screen
zlee9 0:ee108329021b 175 for (i = 0; i < ELASER_CAP; i++) {
zlee9 0:ee108329021b 176 if (elaser[i].y < SCREENHEIGHT) // Enemy lasers travel down to player's side
zlee9 0:ee108329021b 177 (elaser[i].y)++;
zlee9 0:ee108329021b 178 else // Enemy laser vanishes at bottom of screen
zlee9 0:ee108329021b 179 elaser[i].collide = true;
zlee9 0:ee108329021b 180 }
zlee9 0:ee108329021b 181
zlee9 0:ee108329021b 182 /* Controls */
zlee9 0:ee108329021b 183 /******************/
zlee9 0:ee108329021b 184 // Player firing laser
zlee9 0:ee108329021b 185 if (button && ylaser.collide) {
zlee9 0:ee108329021b 186 // Initialize laser's locations according to ship's
zlee9 0:ee108329021b 187 ylaser.y = ship.y - 1;
zlee9 0:ee108329021b 188 ylaser.x = ship.x + (ship.width >> 1);
zlee9 0:ee108329021b 189 // Can fire next laser after current hits top of screen or other objects
zlee9 0:ee108329021b 190 ylaser.collide = false;
zlee9 0:ee108329021b 191 }
zlee9 0:ee108329021b 192
zlee9 0:ee108329021b 193 // Player steering ship
zlee9 0:ee108329021b 194 hper = horiz; // Read joystick's horizontal position.
zlee9 0:ee108329021b 195 if (GOLEFT(hper) && ship.x > 0)
zlee9 0:ee108329021b 196 (ship.x)--; // Ship moves left/
zlee9 0:ee108329021b 197
zlee9 0:ee108329021b 198 if (GORIGHT(hper) && ship.x < SCREENWIDTH - 1)
zlee9 0:ee108329021b 199 (ship.x)++; // Ship moves right
zlee9 0:ee108329021b 200
zlee9 0:ee108329021b 201 /* Alien Activity */
zlee9 0:ee108329021b 202 /******************/
zlee9 0:ee108329021b 203 // Move wave of aliens. Update whether any alien reaches screen on
zlee9 0:ee108329021b 204 // player's side
zlee9 0:ee108329021b 205 reach = moveAlienWave(&left);
zlee9 0:ee108329021b 206
zlee9 0:ee108329021b 207 // Enemy aliens firing lasers. Aliens fire lasers only after certain
zlee9 0:ee108329021b 208 // time intervals or when one of their lasers canceled out with player's
zlee9 0:ee108329021b 209 if (time >= RELOAD_TIME || lcancel) {
zlee9 0:ee108329021b 210 // Choose random front alien to fire laser. Ignore any invalid ones
zlee9 0:ee108329021b 211 // (those in columns that were completely wiped out have been set to
zlee9 0:ee108329021b 212 // NULL)
zlee9 0:ee108329021b 213 while ((sh_alien = frontline[rand() / (RAND_MAX/i + 1)]) == NULL);
zlee9 0:ee108329021b 214
zlee9 0:ee108329021b 215 // Find enemy laser structure not in use for display
zlee9 0:ee108329021b 216 if (elaser[0].collide)
zlee9 0:ee108329021b 217 i = 0;
zlee9 0:ee108329021b 218 else if (elaser[1].collide)
zlee9 0:ee108329021b 219 i = 1;
zlee9 0:ee108329021b 220 else
zlee9 0:ee108329021b 221 i = 2;
zlee9 0:ee108329021b 222
zlee9 0:ee108329021b 223 // Initialize laser's location according to chosen alien's
zlee9 0:ee108329021b 224 elaser[i].y = sh_alien->y + 1;
zlee9 0:ee108329021b 225 elaser[i].x = sh_alien->x + (ALIEN_WIDTH >> 1);
zlee9 0:ee108329021b 226 elaser[i].collide = lcancel = false;
zlee9 0:ee108329021b 227 time = 0; // Reset time for next enemy laser fire
zlee9 0:ee108329021b 228 }
zlee9 0:ee108329021b 229
zlee9 0:ee108329021b 230 /* Collisions */
zlee9 0:ee108329021b 231 /*******************/
zlee9 0:ee108329021b 232 // Cancel out player's laser and enemy laser should they connect
zlee9 0:ee108329021b 233 lcancel = twoLasersCollide(&ylaser, elaser);
zlee9 0:ee108329021b 234
zlee9 0:ee108329021b 235 // Kill alien if player's laser hits one
zlee9 0:ee108329021b 236 destroyAlien(&als_rem, &ylaser, frontline);
zlee9 0:ee108329021b 237
zlee9 0:ee108329021b 238 // Check for any enemy laser touching ship
zlee9 0:ee108329021b 239 for (i = 0; i < ELASER_CAP; i++) {
zlee9 0:ee108329021b 240 if (!(elaser[i].collide) && elaser[i].y >= ship.y && elaser[i].y <=
zlee9 0:ee108329021b 241 ship.y + ship.height && elaser[i].x >= ship.x && elaser[i].x
zlee9 0:ee108329021b 242 <= ship.x + ship.width) {
zlee9 0:ee108329021b 243 // Plyaer loses life if hit by laser
zlee9 0:ee108329021b 244 lives_rem--;
zlee9 0:ee108329021b 245 ship.killed = elaser[i].collide = true;
zlee9 0:ee108329021b 246 }
zlee9 0:ee108329021b 247 }
zlee9 0:ee108329021b 248
zlee9 0:ee108329021b 249 updateScreen(ship, ship_old, ylaser, ylaser_old, elaser, elaser_old,
zlee9 0:ee108329021b 250 lives_rem); // Update gameplay screen
zlee9 0:ee108329021b 251 ship.killed = false;
zlee9 0:ee108329021b 252 time++; // Time passes
zlee9 0:ee108329021b 253
zlee9 0:ee108329021b 254 // Update old locations to current
zlee9 0:ee108329021b 255 memcpy(wave_old, wave, sizeof(wave));
zlee9 0:ee108329021b 256 memcpy(elaser_old, elaser, sizeof(elaser));
zlee9 0:ee108329021b 257 ylaser_old = ylaser;
zlee9 0:ee108329021b 258 ship_old = ship;
zlee9 0:ee108329021b 259 } // End of main gameplay loop
zlee9 0:ee108329021b 260
zlee9 0:ee108329021b 261
zlee9 0:ee108329021b 262 // Game's outcomes
zlee9 0:ee108329021b 263 if (als_rem) // Lost all lives or aliens reached your border
zlee9 0:ee108329021b 264 return LOSE;
zlee9 0:ee108329021b 265 else // Destroyed all aliens
zlee9 0:ee108329021b 266 return WIN;
zlee9 0:ee108329021b 267 }
zlee9 0:ee108329021b 268
zlee9 0:ee108329021b 269
zlee9 0:ee108329021b 270 void win()
zlee9 0:ee108329021b 271 {
zlee9 0:ee108329021b 272 /******
zlee9 0:ee108329021b 273 * win
zlee9 0:ee108329021b 274 * Displays congratulation screen and prompt player to replay
zlee9 0:ee108329021b 275 ******/
zlee9 0:ee108329021b 276 // Congratulation screen
zlee9 0:ee108329021b 277 lcd.cls();
zlee9 0:ee108329021b 278 lcd.locate(0,3);
zlee9 0:ee108329021b 279 lcd.printf("WELL DONE\n\rEARTHLING");
zlee9 0:ee108329021b 280 lcd.locate(0,6);
zlee9 0:ee108329021b 281 lcd.printf("THIS TIME YOU WIN");
zlee9 0:ee108329021b 282 wait(2);
zlee9 0:ee108329021b 283
zlee9 0:ee108329021b 284 // Prompt player to play game again
zlee9 0:ee108329021b 285 lcd.cls();
zlee9 0:ee108329021b 286 lcd.locate(0,10);
zlee9 0:ee108329021b 287 lcd.printf("PRESS BUTTON TO PLAY AGAIN");
zlee9 0:ee108329021b 288 WAIT4FULLPUSH(button);
zlee9 0:ee108329021b 289 }
zlee9 0:ee108329021b 290
zlee9 0:ee108329021b 291
zlee9 0:ee108329021b 292 void lose()
zlee9 0:ee108329021b 293 {
zlee9 0:ee108329021b 294 /******
zlee9 0:ee108329021b 295 * lose
zlee9 0:ee108329021b 296 * Displays game-over screen and prompts player to replay
zlee9 0:ee108329021b 297 ******/
zlee9 0:ee108329021b 298 // Game-over screen
zlee9 0:ee108329021b 299 lcd.cls();
zlee9 0:ee108329021b 300 lcd.locate(4,3);
zlee9 0:ee108329021b 301 lcd.printf("YOU SUCK");
zlee9 0:ee108329021b 302 wait(2);
zlee9 0:ee108329021b 303
zlee9 0:ee108329021b 304 // Prompt player to play game again
zlee9 0:ee108329021b 305 lcd.locate(0,10);
zlee9 0:ee108329021b 306 lcd.printf("PRESS BUTTON TO PLAY AGAIN");
zlee9 0:ee108329021b 307 WAIT4FULLPUSH(button);
zlee9 0:ee108329021b 308 }
zlee9 0:ee108329021b 309
zlee9 0:ee108329021b 310
zlee9 0:ee108329021b 311 /***************************************************************/
zlee9 0:ee108329021b 312 /* */
zlee9 0:ee108329021b 313 /* Game-Drawing Funntion */
zlee9 0:ee108329021b 314 /* */
zlee9 0:ee108329021b 315 /***************************************************************/
zlee9 0:ee108329021b 316 void updateScreen(OBJECT ship, OBJECT ship_old, POINT ylaser, POINT ylaser_old,
zlee9 0:ee108329021b 317 POINT elaser[], POINT elaser_old[], int lives_rem)
zlee9 0:ee108329021b 318 {
zlee9 0:ee108329021b 319 /******
zlee9 0:ee108329021b 320 * updateScreen
zlee9 0:ee108329021b 321 * Updates game display on Nokia LCD screen
zlee9 0:ee108329021b 322 ******/
zlee9 0:ee108329021b 323 int r, c;
zlee9 0:ee108329021b 324
zlee9 0:ee108329021b 325 // Old locations are drawn with black to erase previous images in display
zlee9 0:ee108329021b 326 // when redrawing images
zlee9 0:ee108329021b 327 wait(0.02);
zlee9 0:ee108329021b 328
zlee9 0:ee108329021b 329 // Redraw surviving aliens from their positions
zlee9 0:ee108329021b 330 for (c = 0; c < NUM_ALIEN_COLS; c++) {
zlee9 0:ee108329021b 331 for (r = 0; r < NUM_ALIEN_ROWS; r++) {
zlee9 0:ee108329021b 332 lcd.fill(wave_old[r][c].x, wave_old[r][c].y, wave_old[r][c].width,
zlee9 0:ee108329021b 333 wave_old[r][c].height, BLACK);
zlee9 0:ee108329021b 334 // Aliens as white rectangles
zlee9 0:ee108329021b 335 if (!(wave[r][c].killed)) // Don't draw destroyed aliens
zlee9 0:ee108329021b 336 lcd.fill(wave[r][c].x, wave[r][c].y, wave[r][c].width,
zlee9 0:ee108329021b 337 wave[r][c].height, wave[r][c].color);
zlee9 0:ee108329021b 338 }
zlee9 0:ee108329021b 339 }
zlee9 0:ee108329021b 340
zlee9 0:ee108329021b 341 // Redraw enemy lasers as single white pixels
zlee9 0:ee108329021b 342 for (c = 0; c < ELASER_CAP; c++) {
zlee9 0:ee108329021b 343 lcd.pixel(elaser_old[c].x, elaser_old[c].y, BLACK);
zlee9 0:ee108329021b 344 lcd.pixel(elaser_old[c].x+1, elaser_old[c].y, BLACK);
zlee9 0:ee108329021b 345 lcd.pixel(elaser_old[c].x, elaser_old[c].y+1, BLACK);
zlee9 0:ee108329021b 346 lcd.pixel(elaser_old[c].x+1, elaser_old[c].y+1, BLACK);
zlee9 0:ee108329021b 347 // Don't draw lasers that hit bottom screen border or other objects
zlee9 0:ee108329021b 348 if (!(elaser[c].collide)) {
zlee9 0:ee108329021b 349 lcd.pixel(elaser[c].x, elaser[c].y, elaser[c].color);
zlee9 0:ee108329021b 350 lcd.pixel(elaser[c].x+1, elaser[c].y, elaser[c].color);
zlee9 0:ee108329021b 351 lcd.pixel(elaser[c].x, elaser[c].y+1, elaser[c].color);
zlee9 0:ee108329021b 352 lcd.pixel(elaser[c].x+1, elaser[c].y+1, elaser[c].color);
zlee9 0:ee108329021b 353 }
zlee9 0:ee108329021b 354 }
zlee9 0:ee108329021b 355
zlee9 0:ee108329021b 356 // Redraw player's laser as single green pixel. Check that laser doesn't
zlee9 0:ee108329021b 357 // hit top screen border or other objects
zlee9 0:ee108329021b 358 lcd.pixel(ylaser_old.x, ylaser_old.y, BLACK);
zlee9 0:ee108329021b 359 lcd.pixel(ylaser_old.x+1, ylaser_old.y, BLACK);
zlee9 0:ee108329021b 360 lcd.pixel(ylaser_old.x, ylaser_old.y+1, BLACK);
zlee9 0:ee108329021b 361 lcd.pixel(ylaser_old.x+1, ylaser_old.y+1, BLACK);
zlee9 0:ee108329021b 362 if (!(ylaser.collide))
zlee9 0:ee108329021b 363 lcd.pixel(ylaser.x, ylaser.y, ylaser.color);
zlee9 0:ee108329021b 364 lcd.pixel(ylaser.x+1, ylaser.y, ylaser.color);
zlee9 0:ee108329021b 365 lcd.pixel(ylaser.x, ylaser.y+1, ylaser.color);
zlee9 0:ee108329021b 366 lcd.pixel(ylaser.x+1, ylaser.y+1, ylaser.color);
zlee9 0:ee108329021b 367
zlee9 0:ee108329021b 368 if (ship.killed) { // Ship is destroyed from being hit by laser
zlee9 0:ee108329021b 369 lcd.locate(0,15);
zlee9 0:ee108329021b 370 lcd.printf("LIVES: %d", lives_rem);
zlee9 0:ee108329021b 371 wait(2); // Game pauses for few seconds before player uses next life
zlee9 0:ee108329021b 372 lcd.cls(); // Clear lives message
zlee9 0:ee108329021b 373 }
zlee9 0:ee108329021b 374
zlee9 0:ee108329021b 375 // Redraw player's ship as green rectangle
zlee9 0:ee108329021b 376 lcd.fill(ship_old.x, ship_old.y, ship_old.width, ship_old.height, BLACK);
zlee9 0:ee108329021b 377 lcd.fill(ship.x, ship.y, ship.width, ship.height, ship.color);
zlee9 0:ee108329021b 378 }
zlee9 0:ee108329021b 379
zlee9 0:ee108329021b 380 void playstart(void const *args)
zlee9 0:ee108329021b 381 {
zlee9 0:ee108329021b 382 while(true) {
zlee9 0:ee108329021b 383 FILE *wave_file;
zlee9 0:ee108329021b 384 while(state==START) {
zlee9 0:ee108329021b 385 Thread::wait(50);
zlee9 0:ee108329021b 386 }
zlee9 0:ee108329021b 387
zlee9 0:ee108329021b 388 while(doneski!=1) {
zlee9 0:ee108329021b 389 Thread::wait(500);
zlee9 0:ee108329021b 390 }
zlee9 0:ee108329021b 391
zlee9 0:ee108329021b 392 while(state==GAME) {
zlee9 0:ee108329021b 393 if(button==1) {
zlee9 0:ee108329021b 394
zlee9 0:ee108329021b 395 wave_file=fopen("/sd/mample4.wav","r");
zlee9 0:ee108329021b 396
zlee9 0:ee108329021b 397
zlee9 0:ee108329021b 398 waver.play(wave_file);
zlee9 0:ee108329021b 399 fclose(wave_file);
zlee9 0:ee108329021b 400 }
zlee9 0:ee108329021b 401 }
zlee9 0:ee108329021b 402
zlee9 0:ee108329021b 403 while(state==LOSE) {
zlee9 0:ee108329021b 404 wave_file=fopen("/sd/mample3.wav","r");
zlee9 0:ee108329021b 405 waver.play(wave_file);
zlee9 0:ee108329021b 406 fclose(wave_file);
zlee9 0:ee108329021b 407 }
zlee9 0:ee108329021b 408
zlee9 0:ee108329021b 409 while(state==WIN) {
zlee9 0:ee108329021b 410 wave_file=fopen("/sd/mample3.wav","r");
zlee9 0:ee108329021b 411 waver.play(wave_file);
zlee9 0:ee108329021b 412 fclose(wave_file);
zlee9 0:ee108329021b 413 }
zlee9 0:ee108329021b 414 }
zlee9 0:ee108329021b 415 }
zlee9 0:ee108329021b 416
zlee9 0:ee108329021b 417 void startmusic(void const *args)
zlee9 0:ee108329021b 418 {
zlee9 0:ee108329021b 419
zlee9 0:ee108329021b 420 FILE *wave_file;
zlee9 0:ee108329021b 421 wave_file=fopen("/sd/mample2.wav","r");
zlee9 0:ee108329021b 422 waver.play(wave_file);
zlee9 0:ee108329021b 423 fclose(wave_file);
zlee9 0:ee108329021b 424
zlee9 0:ee108329021b 425 }