// Moves the snake for each iteration
void snake_move_player(pos head) {
attrset(COLOR_PAIR(1)) ;
int idx = snake_cooridinate_to_index(head);
if (spaces[idx])
snake_game_over();
spaces[idx] = true;
enqueue(head);
g_score += 10;
if (head.x == fruit.x && head.y == fruit.y) {
snake_draw_fruit();
g_score += 1000;
}
else {
pos* tail = dequeue();
spaces[snake_cooridinate_to_index(*tail)] = false;
snake_write_text(tail->y, tail->x, " ");
}
snake_write_text(head.y, head.x, "S");
char buffer[25];
sprintf(buffer, "%d", g_score);
attrset(COLOR_PAIR(2));
snake_write_text(g_height + 1, 9, buffer);
}
// Handles moving the snake for each iteration
bool snake_move_player( pos head )
{
attrset( COLOR_PAIR( 1 ) ) ;
// Check if we ran into ourself
int idx = snake_cooridinate_to_index( head );
if( spaces[idx] )
snake_game_over( );
spaces[idx] = true; // Mark the space as occupied
enqueue( head );
g_score += 10;
// Check if we're eating the fruit
if( head.x == fruit.x && head.y == fruit.y )
{
snake_draw_fruit( );
g_score += 1000;
}
else
{
// Handle the tail
pos *tail = dequeue( );
spaces[snake_cooridinate_to_index( *tail )] = false;
snake_write_text( tail->y, tail->x, " " );
}
// Draw the new head
snake_write_text( head.y, head.x, "S" );
// Update scoreboard
char buffer[25];
sprintf( buffer, "%d", g_score );
attrset( COLOR_PAIR( 2 ) );
snake_write_text( g_height+1, 9, buffer );
}
int main(int argc, char *argv[]) {
int move = KEY_RIGHT;
if ((g_mainwin = initscr()) == NULL) {
perror("could not initialize ncurses\n");
exit(EXIT_FAILURE);
}
srand(time(NULL));
noecho();
curs_set(2);
halfdelay(1);
keypad(g_mainwin, TRUE);
g_oldcur = curs_set(0);
start_color();
init_pair(1, COLOR_RED, COLOR_BLACK);
init_pair(2, COLOR_GREEN, COLOR_BLACK);
init_pair(3, COLOR_YELLOW, COLOR_BLACK);
init_pair(4, COLOR_BLUE, COLOR_BLACK);
init_pair(5, COLOR_CYAN, COLOR_BLACK);
init_pair(6, COLOR_MAGENTA, COLOR_BLACK);
init_pair(7, COLOR_WHITE, COLOR_BLACK);
getmaxyx(g_mainwin, g_height, g_width);
g_width = g_width < DESIRED_WIDTH ? g_width : DESIRED_WIDTH;
g_height = g_height < DESIRED_HEIGHT ? g_height : DESIRED_HEIGHT;
spaces = malloc(sizeof(bool) * g_height * g_width);
snake_draw_board();
snake_draw_fruit();
pos head = {5, 5};
enqueue(head);
while(true) {
int key_stroke = getch();
if (key_stroke != ERR)
move = key_stroke;
switch(move) {
case KEY_UP:
case 'w':
case 'W':
head.y--;
break;
case KEY_LEFT:
case 'a':
case 'A':
head.x--;
break;
case KEY_DOWN:
case 's':
case 'S':
head.y++;
break;
case KEY_RIGHT:
case 'd':
case 'D':
head.x++;
break;
}
if(!snake_in_bounds(head))
snake_game_over();
else
snake_move_player(head);
}
snake_game_over();
}
int main( int argc, char *argv[] )
{
int key = KEY_RIGHT;
if( ( g_mainwin = initscr() ) == NULL ) {
perror( "error initialising ncurses" );
exit( EXIT_FAILURE );
}
// Set up
srand( time( NULL ) );
noecho( );
curs_set( 2 );
halfdelay( 1 );
keypad( g_mainwin, TRUE );
g_oldcur = curs_set( 0 );
start_color( );
init_pair( 1, COLOR_RED, COLOR_BLACK );
init_pair( 2, COLOR_GREEN, COLOR_BLACK );
init_pair( 3, COLOR_YELLOW, COLOR_BLACK );
init_pair( 4, COLOR_BLUE, COLOR_BLACK );
init_pair( 5, COLOR_CYAN, COLOR_BLACK );
init_pair( 6, COLOR_MAGENTA, COLOR_BLACK );
init_pair( 7, COLOR_WHITE, COLOR_BLACK );
getmaxyx( g_mainwin, g_height, g_width );
g_width = g_width < DESIRED_WIDTH ? g_width : DESIRED_WIDTH;
g_height = g_height < DESIRED_HEIGHT ? g_height : DESIRED_HEIGHT;
// Set up the 2D array of all spaces
spaces = (bool*) malloc( sizeof( bool ) * g_height * g_width );
snake_draw_board( );
snake_draw_fruit( );
pos head = { 5,5 };
enqueue( head );
// Event loop
while( 1 )
{
int in = getch( );
if( in != ERR )
key = in;
switch( key )
{
case KEY_DOWN:
case 'k':
case 'K':
head.y++;
break;
case KEY_RIGHT:
case 'l':
case 'L':
head.x++;
break;
case KEY_UP:
case 'j':
case 'J':
head.y--;
break;
case KEY_LEFT:
case 'h':
case 'H':
head.x--;
break;
}
if( !snake_in_bounds( head ) )
snake_game_over( );
else
snake_move_player( head );
}
snake_game_over( );
}