Brennan Hill / Mbed 2 deprecated mbed_4180_lab4

Simplified Doodle Jump game for mbed

Dependencies:   4DGL-uLCD-SE LSM9DS1_Library_cal SDFileSystem mbed-rtos mbed wave_player

main.cpp@3:141c57be5a2d, 2016-03-15 (annotated)

Committer:
bhill42
Date:
Tue Mar 15 02:34:14 2016 +0000
Revision:
3:141c57be5a2d
Parent:
2:e76f3f3c85c0 
Final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bhill42 3:141c57be5a2d 1 // Simple game of Doodle Jump with a BMP image, sound, and IMU control.
bhill42 0:adf8cf9eba73 2 #include "mbed.h"
bhill42 1:bdeb188cb474 3 #include "rtos.h"
bhill42 3:141c57be5a2d 4 #include "SDFileSystem.h" /* SD card library */
bhill42 3:141c57be5a2d 5 #include "uLCD_4DGL.h" /* LCD library */
bhill42 3:141c57be5a2d 6 #include "LSM9DS1.h" /* IMU library */
bhill42 3:141c57be5a2d 7 #include "wave_player.h" /* wav file playing */
bhill42 3:141c57be5a2d 8 #include "myBMP.h" /* BMP image handling */
bhill42 1:bdeb188cb474 9 #include <stdlib.h> /* srand, rand */
bhill42 1:bdeb188cb474 10 #include <time.h> /* time */
bhill42 3:141c57be5a2d 11
bhill42 3:141c57be5a2d 12 //#define PI 3.14159
bhill42 3:141c57be5a2d 13 //#define DECLINATION -4.94 // Declination (degrees) in Atlanta,GA.
bhill42 1:bdeb188cb474 14 #define GRAVITY 3 /* acceleration per frame */
bhill42 1:bdeb188cb474 15 #define MAX_PLATFORMS 5
bhill42 1:bdeb188cb474 16 #define MAX_ENEMIES 2
bhill42 1:bdeb188cb474 17 #define PLAYER_WIDTH 9
bhill42 1:bdeb188cb474 18 #define PLAYER_HEIGHT 10
bhill42 2:e76f3f3c85c0 19 // range of y values platforms can be between
bhill42 2:e76f3f3c85c0 20 #define MIN_PLATFORM_INTERVAL 15
bhill42 2:e76f3f3c85c0 21 #define MAX_PLATFORM_INTERVAL 40
bhill42 2:e76f3f3c85c0 22 #define PLATFORM_WIDTH 20
bhill42 2:e76f3f3c85c0 23 #define PLATFORM_HEIGHT 5
bhill42 2:e76f3f3c85c0 24 #define INIT_PLAYER_VELOCITY -15
bhill42 0:adf8cf9eba73 25
bhill42 0:adf8cf9eba73 26
bhill42 3:141c57be5a2d 27 uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin
bhill42 0:adf8cf9eba73 28 LSM9DS1 IMU(p9, p10, 0xD6, 0x3C);
bhill42 0:adf8cf9eba73 29 SDFileSystem sd(p5, p6, p7, p8, "sd");
bhill42 3:141c57be5a2d 30 AnalogOut DACout(p18); //analog out for speaker
bhill42 3:141c57be5a2d 31 wave_player waver(&DACout);
bhill42 0:adf8cf9eba73 32
bhill42 0:adf8cf9eba73 33 DigitalOut myled1(LED1);
bhill42 3:141c57be5a2d 34 DigitalOut myled2(LED2);
bhill42 0:adf8cf9eba73 35
bhill42 0:adf8cf9eba73 36 Mutex sound_mutex;
bhill42 3:141c57be5a2d 37 Thread * t1 = NULL; // must set to null for initial delete, calling delete on a null pointer is safe
bhill42 0:adf8cf9eba73 38
bhill42 1:bdeb188cb474 39 typedef struct xycoord {
bhill42 1:bdeb188cb474 40 int x;
bhill42 1:bdeb188cb474 41 int y;
bhill42 1:bdeb188cb474 42 } xycoord;
bhill42 1:bdeb188cb474 43
bhill42 1:bdeb188cb474 44 xycoord platforms[MAX_PLATFORMS];
bhill42 3:141c57be5a2d 45
bhill42 3:141c57be5a2d 46 // play a song of given filename, void const * input for use with threads
bhill42 3:141c57be5a2d 47 // thread safe, will not try to play more than one sound at once
bhill42 3:141c57be5a2d 48 void playSound(void const * args);
bhill42 3:141c57be5a2d 49
bhill42 3:141c57be5a2d 50 // return index of platform with lowest y coordinates (highest on screen)
bhill42 3:141c57be5a2d 51 int getHighestPlatform();
bhill42 3:141c57be5a2d 52
bhill42 3:141c57be5a2d 53 // return index of platform with highest y coordinates (lowst on screen)
bhill42 3:141c57be5a2d 54 int getLowestPlatform();
bhill42 3:141c57be5a2d 55
bhill42 3:141c57be5a2d 56 // if a generate x, y coordinates above highest platform
bhill42 3:141c57be5a2d 57 void getNextPlatform(int &x, int &y);
bhill42 3:141c57be5a2d 58
bhill42 3:141c57be5a2d 59 // create all platforms
bhill42 3:141c57be5a2d 60 void initPlatforms();
bhill42 1:bdeb188cb474 61
bhill42 3:141c57be5a2d 62 // try to play a sound, do nothing if mutex locked
bhill42 3:141c57be5a2d 63 void trySound(const char * file);
bhill42 3:141c57be5a2d 64
bhill42 3:141c57be5a2d 65 int main()
bhill42 3:141c57be5a2d 66 {
bhill42 3:141c57be5a2d 67 wait(2.0f); // wait a bit for initialization
bhill42 3:141c57be5a2d 68 uLCD.cls();
bhill42 3:141c57be5a2d 69 // jack up LCD baud rate to max for fast display
bhill42 3:141c57be5a2d 70 uLCD.baudrate(3000000);
bhill42 3:141c57be5a2d 71 trySound("/sd/DMX.wav"); // play init sound
bhill42 3:141c57be5a2d 72
bhill42 3:141c57be5a2d 73 // set up IMU
bhill42 3:141c57be5a2d 74 uLCD.printf("Calibrating IMU, place on flat surface. Please wait...");
bhill42 3:141c57be5a2d 75 IMU.begin();
bhill42 3:141c57be5a2d 76 if (!IMU.begin()) {
bhill42 3:141c57be5a2d 77 uLCD.printf("Failed to communicate with LSM9DS1.\n");
bhill42 3:141c57be5a2d 78 wait(5.0f);
bhill42 3:141c57be5a2d 79 return -1;
bhill42 3:141c57be5a2d 80 }
bhill42 3:141c57be5a2d 81 IMU.calibrate(1);
bhill42 3:141c57be5a2d 82 IMU.calibrateMag(0);
bhill42 3:141c57be5a2d 83
bhill42 3:141c57be5a2d 84 //start countdown timer for player to start playing
bhill42 3:141c57be5a2d 85
bhill42 3:141c57be5a2d 86 uLCD.cls();
bhill42 3:141c57be5a2d 87 uLCD.locate(0,8);
bhill42 3:141c57be5a2d 88 uLCD.printf("Starting in: 3");
bhill42 3:141c57be5a2d 89 wait(1.0f);
bhill42 3:141c57be5a2d 90 uLCD.cls();
bhill42 3:141c57be5a2d 91 uLCD.locate(0,8);
bhill42 3:141c57be5a2d 92 uLCD.printf("Starting in: 2");
bhill42 3:141c57be5a2d 93 wait(1.0f);
bhill42 3:141c57be5a2d 94 uLCD.cls();
bhill42 3:141c57be5a2d 95 uLCD.locate(0,8);
bhill42 3:141c57be5a2d 96 uLCD.printf("Starting in: 1");
bhill42 3:141c57be5a2d 97 wait(0.6f);
bhill42 3:141c57be5a2d 98 uLCD.cls();
bhill42 3:141c57be5a2d 99 uLCD.locate(0,15);
bhill42 3:141c57be5a2d 100 uLCD.printf("TA SAYS WHAT");
bhill42 3:141c57be5a2d 101
bhill42 3:141c57be5a2d 102
bhill42 3:141c57be5a2d 103
bhill42 3:141c57be5a2d 104 //float fx=63.0,fy=63.0,vx=1.0,vy=0.4;
bhill42 3:141c57be5a2d 105 // x, y is player x and y, player_velocity is player movement in pixels/frame, absolute_y is the y pixels the camera has "moved" up, old_x old_y for drawing over old player image
bhill42 3:141c57be5a2d 106 int x = 64+(PLAYER_WIDTH + 1)/2, y = 127-PLAYER_HEIGHT; //,radius=4;
bhill42 3:141c57be5a2d 107 int player_velocity = INIT_PLAYER_VELOCITY;
bhill42 3:141c57be5a2d 108 int absolute_y = 0;
bhill42 3:141c57be5a2d 109 int old_x = x, old_y = y;
bhill42 3:141c57be5a2d 110 uLCD.background_color(BLACK);
bhill42 3:141c57be5a2d 111
bhill42 3:141c57be5a2d 112
bhill42 3:141c57be5a2d 113
bhill42 3:141c57be5a2d 114 float ax; // accelerometer reading
bhill42 3:141c57be5a2d 115
bhill42 3:141c57be5a2d 116 RGBApixel *Colors = new RGBApixel [2];
bhill42 3:141c57be5a2d 117
bhill42 3:141c57be5a2d 118 // init random number generator, remove text from IMU
bhill42 3:141c57be5a2d 119 srand(time(0));
bhill42 3:141c57be5a2d 120 uLCD.cls();
bhill42 3:141c57be5a2d 121
bhill42 3:141c57be5a2d 122 // initialize platforms and prepare them for drawing
bhill42 3:141c57be5a2d 123 initPlatforms();
bhill42 3:141c57be5a2d 124 int lowestPlatformIndex;
bhill42 3:141c57be5a2d 125 int platx;
bhill42 3:141c57be5a2d 126 int platy;
bhill42 3:141c57be5a2d 127
bhill42 3:141c57be5a2d 128 // store the pixel values of player in memory to reduce the drawing time per frame
bhill42 3:141c57be5a2d 129 // note that this image should be small, mbed's memory is not very large
bhill42 3:141c57be5a2d 130 int * color_array = new int[PLAYER_WIDTH*PLAYER_HEIGHT];
bhill42 3:141c57be5a2d 131 ReadColorsFromFile("/sd/stardesu.bmp", Colors, color_array, x, y);
bhill42 3:141c57be5a2d 132
bhill42 3:141c57be5a2d 133 // make score color white
bhill42 3:141c57be5a2d 134 uLCD.color(WHITE);
bhill42 3:141c57be5a2d 135
bhill42 3:141c57be5a2d 136 // enter main game loop
bhill42 3:141c57be5a2d 137 while (1)
bhill42 3:141c57be5a2d 138 {
bhill42 3:141c57be5a2d 139 // read from IMU
bhill42 3:141c57be5a2d 140 while(!IMU.accelAvailable());
bhill42 3:141c57be5a2d 141 IMU.readAccel();
bhill42 3:141c57be5a2d 142 ax = IMU.calcAccel(IMU.ax);
bhill42 3:141c57be5a2d 143
bhill42 3:141c57be5a2d 144 // get lowest platform
bhill42 3:141c57be5a2d 145 lowestPlatformIndex = getLowestPlatform();
bhill42 3:141c57be5a2d 146 platx = platforms[lowestPlatformIndex].x;
bhill42 3:141c57be5a2d 147 platy = platforms[lowestPlatformIndex].y;
bhill42 3:141c57be5a2d 148
bhill42 3:141c57be5a2d 149 // platform is off screen, create a new one
bhill42 3:141c57be5a2d 150 if (platy > 127)
bhill42 3:141c57be5a2d 151 {
bhill42 3:141c57be5a2d 152 getNextPlatform(platx, platy);
bhill42 3:141c57be5a2d 153 platforms[lowestPlatformIndex].y = platy;
bhill42 3:141c57be5a2d 154 platforms[lowestPlatformIndex].x = platx;
bhill42 3:141c57be5a2d 155 }
bhill42 3:141c57be5a2d 156
bhill42 3:141c57be5a2d 157 // check collisions of player with platforms
bhill42 3:141c57be5a2d 158 for (int i = 0; i < MAX_PLATFORMS; i++)
bhill42 3:141c57be5a2d 159 {
bhill42 3:141c57be5a2d 160 if (player_velocity > 0 && (x+PLAYER_WIDTH) > platforms[i].x && x < (platforms[i].x + PLATFORM_WIDTH) && (y+PLAYER_HEIGHT) >= (platforms[i].y) && (y+PLAYER_HEIGHT) <= (platforms[i].y + PLATFORM_HEIGHT+7))
bhill42 3:141c57be5a2d 161 {
bhill42 3:141c57be5a2d 162 player_velocity = INIT_PLAYER_VELOCITY;
bhill42 3:141c57be5a2d 163 y = platforms[i].y-(PLAYER_HEIGHT-1);
bhill42 3:141c57be5a2d 164 // bounce sound
bhill42 3:141c57be5a2d 165 trySound("/sd/DMX3.wav");
bhill42 3:141c57be5a2d 166 break;
bhill42 3:141c57be5a2d 167 }
bhill42 3:141c57be5a2d 168 }
bhill42 3:141c57be5a2d 169
bhill42 3:141c57be5a2d 170
bhill42 3:141c57be5a2d 171
bhill42 3:141c57be5a2d 172 //erase old player location by drawing over it
bhill42 3:141c57be5a2d 173 uLCD.filled_rectangle(old_x, old_y, old_x+PLAYER_WIDTH, old_y+PLAYER_HEIGHT, BLACK);
bhill42 3:141c57be5a2d 174
bhill42 3:141c57be5a2d 175 // if player is at middle of screen, stop moving player and start moving platforms relative to player
bhill42 3:141c57be5a2d 176 // "halfway point" is at pixal 64 = 63, force player to be unable to go above 63
bhill42 3:141c57be5a2d 177 if (y < 63)
bhill42 3:141c57be5a2d 178 {
bhill42 3:141c57be5a2d 179 int difference = 63 - y;
bhill42 3:141c57be5a2d 180 y = 63;
bhill42 3:141c57be5a2d 181 absolute_y+=difference;
bhill42 3:141c57be5a2d 182 for (int i = 0; i < MAX_PLATFORMS; i++)
bhill42 3:141c57be5a2d 183 {
bhill42 3:141c57be5a2d 184 platx = platforms[i].x;
bhill42 3:141c57be5a2d 185 platy = platforms[i].y;
bhill42 3:141c57be5a2d 186 // draw over old location
bhill42 3:141c57be5a2d 187 uLCD.filled_rectangle(platx, platy, platx+PLATFORM_WIDTH, platy+PLATFORM_HEIGHT, BLACK);
bhill42 3:141c57be5a2d 188 platforms[i].y+=difference;
bhill42 3:141c57be5a2d 189 }
bhill42 3:141c57be5a2d 190 }
bhill42 3:141c57be5a2d 191 // draw platforms
bhill42 3:141c57be5a2d 192 for (int i = 0; i < MAX_PLATFORMS; i++)
bhill42 3:141c57be5a2d 193 {
bhill42 3:141c57be5a2d 194 uLCD.filled_rectangle(platforms[i].x, platforms[i].y, platforms[i].x + PLATFORM_WIDTH - 1, platforms[i].y + PLATFORM_HEIGHT - 1, GREEN);
bhill42 3:141c57be5a2d 195 }
bhill42 3:141c57be5a2d 196 // draw new player location
bhill42 3:141c57be5a2d 197 //ReadBMPFromFile("/sd/stardesu.bmp", Colors, &uLCD, x,y);
bhill42 3:141c57be5a2d 198 DrawColorstoLCD(color_array, &uLCD, x, y, PLAYER_WIDTH, PLAYER_HEIGHT);
bhill42 3:141c57be5a2d 199 wait(.05f);
bhill42 3:141c57be5a2d 200 // print absolute y as player score
bhill42 3:141c57be5a2d 201 uLCD.locate(0, 0);
bhill42 3:141c57be5a2d 202 uLCD.printf("Score: %i", absolute_y);
bhill42 3:141c57be5a2d 203
bhill42 3:141c57be5a2d 204 // save previous player coordinates, update player coordinates
bhill42 3:141c57be5a2d 205 old_x = x;
bhill42 3:141c57be5a2d 206 old_y = y;
bhill42 3:141c57be5a2d 207 x = 64-PLAYER_WIDTH/2 + (int)(64.0f * ax);
bhill42 3:141c57be5a2d 208 y += player_velocity;
bhill42 3:141c57be5a2d 209 // apply "gravity" and "terminal velocity" to current player velocity
bhill42 3:141c57be5a2d 210 player_velocity += GRAVITY;
bhill42 3:141c57be5a2d 211 if (player_velocity > -1*INIT_PLAYER_VELOCITY)
bhill42 3:141c57be5a2d 212 {
bhill42 3:141c57be5a2d 213 player_velocity = -1*INIT_PLAYER_VELOCITY;
bhill42 3:141c57be5a2d 214 }
bhill42 3:141c57be5a2d 215
bhill42 3:141c57be5a2d 216
bhill42 3:141c57be5a2d 217
bhill42 3:141c57be5a2d 218
bhill42 3:141c57be5a2d 219
bhill42 3:141c57be5a2d 220
bhill42 3:141c57be5a2d 221 // check game over condition
bhill42 3:141c57be5a2d 222 if ( y >= 127-PLAYER_HEIGHT && player_velocity > 0)
bhill42 3:141c57be5a2d 223 {
bhill42 3:141c57be5a2d 224 // kill player, game over
bhill42 3:141c57be5a2d 225 wait(.1f);
bhill42 3:141c57be5a2d 226 trySound("/sd/RR.wav");
bhill42 3:141c57be5a2d 227 trySound("/sd/RR.wav");
bhill42 3:141c57be5a2d 228 wait(.1f);
bhill42 3:141c57be5a2d 229 while(1)
bhill42 3:141c57be5a2d 230 {
bhill42 3:141c57be5a2d 231 uLCD.cls();
bhill42 3:141c57be5a2d 232 for (int i = 0; i < 20; i++)
bhill42 3:141c57be5a2d 233 {
bhill42 3:141c57be5a2d 234 uLCD.color(RED);
bhill42 3:141c57be5a2d 235 uLCD.printf("GET REKT");
bhill42 3:141c57be5a2d 236 uLCD.color(GREEN);
bhill42 3:141c57be5a2d 237 uLCD.printf("GET REKT");
bhill42 3:141c57be5a2d 238 }
bhill42 3:141c57be5a2d 239 wait(.1f);
bhill42 3:141c57be5a2d 240 uLCD.cls();
bhill42 3:141c57be5a2d 241 for (int i = 0; i < 80; i++)
bhill42 3:141c57be5a2d 242 {
bhill42 3:141c57be5a2d 243 uLCD.color(RED);
bhill42 3:141c57be5a2d 244 uLCD.printf("(=");
bhill42 3:141c57be5a2d 245 uLCD.color(GREEN);
bhill42 3:141c57be5a2d 246 uLCD.printf("(=");
bhill42 3:141c57be5a2d 247 }
bhill42 3:141c57be5a2d 248 wait(.1f);
bhill42 3:141c57be5a2d 249 }
bhill42 3:141c57be5a2d 250 //player_velocity = INIT_PLAYER_VELOCITY;
bhill42 3:141c57be5a2d 251 //y = 127-PLAYER_HEIGHT;
bhill42 3:141c57be5a2d 252 }
bhill42 3:141c57be5a2d 253 } // end of main loop
bhill42 3:141c57be5a2d 254 } // end of main
bhill42 3:141c57be5a2d 255
bhill42 3:141c57be5a2d 256 // function implementations
bhill42 3:141c57be5a2d 257
bhill42 3:141c57be5a2d 258 void playSound(void const * args)
bhill42 0:adf8cf9eba73 259 {
bhill42 0:adf8cf9eba73 260 sound_mutex.lock();
bhill42 3:141c57be5a2d 261 FILE *wave_file;
bhill42 3:141c57be5a2d 262 char const * actual_args = (char const *)args;
bhill42 3:141c57be5a2d 263 wave_file = fopen(actual_args,"r"); // change to whatever sound
bhill42 0:adf8cf9eba73 264 if (wave_file == NULL)
bhill42 0:adf8cf9eba73 265 {
bhill42 0:adf8cf9eba73 266 myled1 = 1;
bhill42 0:adf8cf9eba73 267 }
bhill42 0:adf8cf9eba73 268 else
bhill42 0:adf8cf9eba73 269 {
bhill42 0:adf8cf9eba73 270 myled2 = 1;
bhill42 0:adf8cf9eba73 271 }
bhill42 0:adf8cf9eba73 272 waver.play(wave_file);
bhill42 0:adf8cf9eba73 273 fclose(wave_file);
bhill42 0:adf8cf9eba73 274 sound_mutex.unlock();
bhill42 0:adf8cf9eba73 275 }
bhill42 2:e76f3f3c85c0 276
bhill42 3:141c57be5a2d 277
bhill42 2:e76f3f3c85c0 278 int getHighestPlatform()
bhill42 2:e76f3f3c85c0 279 {
bhill42 2:e76f3f3c85c0 280 int highest_index = 0;
bhill42 2:e76f3f3c85c0 281 for (int i = 1; i < MAX_PLATFORMS; i++)
bhill42 2:e76f3f3c85c0 282 {
bhill42 2:e76f3f3c85c0 283 if (platforms[i].y < platforms[highest_index].y)
bhill42 2:e76f3f3c85c0 284 highest_index = i;
bhill42 2:e76f3f3c85c0 285 }
bhill42 2:e76f3f3c85c0 286 return highest_index;
bhill42 2:e76f3f3c85c0 287 }
bhill42 2:e76f3f3c85c0 288
bhill42 3:141c57be5a2d 289
bhill42 3:141c57be5a2d 290 int getLowestPlatform()
bhill42 3:141c57be5a2d 291 {
bhill42 3:141c57be5a2d 292 int lowest_index = 0;
bhill42 3:141c57be5a2d 293 for (int i = 1; i < MAX_PLATFORMS; i++)
bhill42 3:141c57be5a2d 294 {
bhill42 3:141c57be5a2d 295 if (platforms[i].y > platforms[lowest_index].y)
bhill42 3:141c57be5a2d 296 lowest_index = i;
bhill42 3:141c57be5a2d 297 }
bhill42 3:141c57be5a2d 298 return lowest_index;
bhill42 3:141c57be5a2d 299 }
bhill42 3:141c57be5a2d 300
bhill42 3:141c57be5a2d 301
bhill42 2:e76f3f3c85c0 302 void getNextPlatform(int &x, int &y)
bhill42 2:e76f3f3c85c0 303 {
bhill42 2:e76f3f3c85c0 304 x = rand()%(128-PLATFORM_WIDTH+1);
bhill42 2:e76f3f3c85c0 305 y = platforms[getHighestPlatform()].y - (rand()%(MAX_PLATFORM_INTERVAL-MIN_PLATFORM_INTERVAL+1) + MIN_PLATFORM_INTERVAL);
bhill42 2:e76f3f3c85c0 306 }
bhill42 2:e76f3f3c85c0 307
bhill42 3:141c57be5a2d 308
bhill42 2:e76f3f3c85c0 309 void initPlatforms()
bhill42 2:e76f3f3c85c0 310 {
bhill42 2:e76f3f3c85c0 311 // first set all to 0
bhill42 2:e76f3f3c85c0 312 for (int i = 0; i < MAX_PLATFORMS; i++)
bhill42 2:e76f3f3c85c0 313 {
bhill42 2:e76f3f3c85c0 314 platforms[i].x = 0;
bhill42 2:e76f3f3c85c0 315 platforms[i].y = 127;
bhill42 2:e76f3f3c85c0 316 }
bhill42 2:e76f3f3c85c0 317 int x;
bhill42 2:e76f3f3c85c0 318 int y;
bhill42 2:e76f3f3c85c0 319 for (int i = 0; i < MAX_PLATFORMS; i++)
bhill42 2:e76f3f3c85c0 320 {
bhill42 2:e76f3f3c85c0 321 getNextPlatform(x, y);
bhill42 2:e76f3f3c85c0 322 platforms[i].x = x;
bhill42 2:e76f3f3c85c0 323 platforms[i].y = y;
bhill42 2:e76f3f3c85c0 324 }
bhill42 2:e76f3f3c85c0 325 }
bhill42 3:141c57be5a2d 326
bhill42 3:141c57be5a2d 327
bhill42 3:141c57be5a2d 328 void trySound(const char * file)
bhill42 0:adf8cf9eba73 329 {
bhill42 0:adf8cf9eba73 330 if (sound_mutex.trylock())
bhill42 0:adf8cf9eba73 331 {
bhill42 0:adf8cf9eba73 332 delete t1;
bhill42 3:141c57be5a2d 333 t1 = new Thread(playSound, (void*)file);
bhill42 0:adf8cf9eba73 334 sound_mutex.unlock();
bhill42 0:adf8cf9eba73 335 }
bhill42 0:adf8cf9eba73 336 }