int main(void)
{
char line[10];
unsigned paper = 0, ribbon = 0;
struct box b;
while(fgets(line, 10, stdin))
{
if (!parse_box(line, &b))
{
perror("Cannot parse box dimensions");
return EXIT_FAILURE;
}
paper += paper_area(&b);
ribbon += ribbon_len(&b);
}
if (ferror(stdin))
{
perror("Cannot read input");
return EXIT_FAILURE;
}
printf("Total area of paper required: %u ft\n", paper);
printf("Total length of ribbon required: %u ft\n", ribbon);
return EXIT_SUCCESS;
}
// core_load_level
// reads contents of file, adds corresponding cpShapes to cpSpace
// returns EXIT_SUCCESS if level loaded successfully
// returns EXIT_FAILURE if level loaded unsuccessfully (bad syntax)
static int core_load_level_parse ( cpSpace *space, FILE * fp ) {
int max_line_size = 40; // maximum length of line that we want to read in
// array to hold contents of each line
char line [max_line_size];
char * line_place = line; // holds address of start of line
fgets ( line, max_line_size, fp );
// check to see that first line has correct content
if( strncmp ( line, "gravity ", 8 ) != 0 ) return EXIT_FAILURE;
line_place = &line[8]; // advance line to next chars to be read
double gravity = atof ( line_place ); // saves gravity input into a double
core_set_gravity ( space, gravity ); // set gravity
// check that next line is blank
fgets ( line, max_line_size, fp );
int exit = 1; // keeps track of whether to continue reading lines
while ( exit == 1 ) {
if ( fgets ( line, max_line_size, fp ) == 0 ) return EXIT_SUCCESS; // get next line. If EOF, return
if ( strncmp ( line, "box STATIC", 10 ) == 0 ) { // static box information to follow
Box * box = box_new();
if ( parse_box ( fp, &(box->x), &(box->y), &(box->width), &(box->height), &(box->angle), (box->color), &(box->friction), &(box->elasticity), &(box->density)) == EXIT_FAILURE ) {
fprintf ( stderr, "Parsing error in box STATIC\n" );
box_destroy ( box );
return EXIT_FAILURE;
};
// add static box to space and destroy temporary box data
core_add_static_box_shape ( space, box );
box_destroy ( box );
} else if ( strncmp ( line, "box NONSTATIC", 13 ) == 0 ) {
Box * box = box_new();
if( parse_box ( fp, &(box->x), &(box->y), &(box->width), &(box->height), &(box->angle), (box->color), &(box->friction), &(box->elasticity), &(box->density) ) == EXIT_FAILURE ) {
fprintf ( stderr, "Parsing error in box NONSTATIC\n" );
box_destroy ( box );
return EXIT_FAILURE;
};
// need to add mass, inertia since body moves
core_add_box_shape ( space, box, 0 );
box_destroy ( box );
} else if ( strncmp ( line, "ball NONSTATIC", 14 ) == 0 ) {
Circle * circ = circle_new ();
if ( parse_ball ( fp, &(circ->x), &(circ->y), &(circ->radius), &(circ->angle), circ->color, &(circ->friction), &(circ->elasticity), &(circ->density)) == EXIT_FAILURE ) {
fprintf ( stderr, "Parsing error in ball NONSTATIC\n" );
circle_destroy ( circ );
return EXIT_FAILURE;
}
// need to add mass, inertia since body moves
core_add_circle_shape ( space, circ, 0 );
circle_destroy ( circ );
} else if ( strncmp ( line, "ball STATIC", 11) == 0 ) {
Circle * circ = circle_new();
if ( parse_ball ( fp, &(circ->x), &(circ->y), &(circ->radius), &(circ->angle), circ->color, &(circ->friction), &(circ->elasticity), &(circ->density) ) == EXIT_FAILURE ) {
fprintf ( stderr, "Parsing error in ball STATIC\n" );
circle_destroy ( circ );
return EXIT_FAILURE;
}
core_add_static_circle_shape ( space, circ );
circle_destroy ( circ );
} else // invalid input
return EXIT_FAILURE;
if ( fgets ( line, max_line_size, fp ) == NULL ) exit = 0; // get next line. If EOF, get out
}
cpSpaceEachBody ( space, &core_update_body, (void *) NULL );
return EXIT_SUCCESS;
}
