void Jerk::update(ApplicationData appData)
{
GameEntity::update(appData);
if(isMovementEnabled())
{
Vector2i moveDir = getMovementDir();
if(moveDir.x!=0 || moveDir.y!=0)
{
String dirString = getDirString(moveDir);
changeAnimation("walk_"+dirString, Animation::NO_CHANGE);
dir = moveDir;
Vector2d pos = getPosition();
double moveSpeed = 24;
double fsMult = appData.getFrameSpeedMultiplier();
pos += ((Vector2d)dir)*Vector2d(moveSpeed*fsMult,moveSpeed*fsMult);
setPosition(pos);
}
else
{
String dirString = getDirString(dir);
changeAnimation("stand_"+dirString, Animation::NO_CHANGE);
}
}
}
void main(int argc,char* argv[])
{
semID = semget((key_t)SEMAPHORE_KEY,6,IPC_CREAT|0666);
float probability;
if(argc!=2)
{
printf("Please provide probability as argument ! \n");
exit(1);
}
else
{
sscanf(argv[1],"%f",&probability);
if(probability < 0 || probability > 1)
{
printf("Please run the program with valid probability value : [0-1] \n");
exit(1);
}
}
char train_sequence[MAX_SEQUENCE_LENGTH];
int N,M=4;
if((N=parseInputFile(train_sequence))==-1)
{
printf("Error : Cannot open sequence.txt !\n");
exit(0);
}
printf("The sequence scanned from file : %s, N = %d\n",train_sequence,N);
initializeAllSubSemaphoreValues();
initializeMatrixFile(N,M);
srand(time(NULL));
int sequence_counter = 0,flag=0;
while(1)
{
if(flag)
{
sleep(1);
if(checkForDeadlock(N,M))
break;
continue;
}
if( ( (float)(rand()%1000) / 1000.0) < probability )
{
if(checkForDeadlock(N,M))
break;
}
else
{
if(sequence_counter==N)
flag = 1;
else
{
char c = train_sequence[sequence_counter];
sequence_counter++;
if(c!='N' && c!='S' && c!='W' && c!='E')
{
printf("Invalid Sequence in sequence.txt !\n");
exit(1);
}
else
{
/*
char command[50];
sprintf(command,"./train %c %d &",c,sequence_counter-1);
pid_arr[sequence_counter-1] = pid;
direction_arr[sequence_counter-1] = getDirString(c);
system(command);
*/
int pid = fork();
if(pid == 0)
{
//char command[50];
//sprintf(command,"./train %d %c %d",N,c,sequence_counter-1);
char** argv = malloc(4*sizeof(char*));
int y;
for(y=0;y<4;y++) argv[y] = malloc(10*sizeof(char));
strcpy(argv[0],"./train");
sprintf(argv[1],"%d",N);
sprintf(argv[2],"%c",c);
sprintf(argv[3],"%d",sequence_counter-1);
int retv = execvp(*argv,argv);
if(retv == -1) {perror("Error in execvp ! \n"); exit(1);}
exit(0);
}
printf("Train %d: %s Train started\n",pid,getDirString(c));
pid_arr[sequence_counter-1] = pid;
//printf("pid_arr[%d] = %d\n",sequence_counter-1,pid );
direction_arr[sequence_counter-1] = getDirString(c);
//printf("direction_arr[%d] = %s\n",sequence_counter-1,getDirString(c) );
}
}
}
}
}
