move link out of solid objects

int RotateDirNum(int d, int n){
    for (int i = 0; i < n; ++i) {
        if ( d == DIR_UP )
            d = DIR_RIGHT;
        else if ( d == DIR_RIGHT )
            d = DIR_DOWN;
        else if ( d == DIR_DOWN )
            d = DIR_LEFT;
        else
            d = DIR_UP;
    }
    return d;
}

int i; int j; int x = Link->X; int y = Link->Y;
if ( Screen->isSolid(Link->X+8, Link->Y+8) ) {
    for (i = 1; i < 6; ++i) {
        for (j = 0; j < 4; ++j) {
            x = Link->X+8+VectorX(8*i, DirAngle(RotateDirNum(Link->Dir, j)));
            y = Link->Y+8+VectorY(8*i, DirAngle(RotateDirNum(Link->Dir, j)));
            if ( !Screen->isSolid(x, y) ) {
                i = 9999;
                j = 4;
            }
        }
    }
    if ( i >= 9999 ) {
        Link->X = x-8;
        Link->Y = y-8;
    }
}