int eIOBuffer::tofile(int fd, int len)
{
int written=0;
int w;
while (len && !buffer.empty())
{
if (buffer.begin() == buffer.end())
break;
int tc=buffer.front().len-ptr;
if (tc > len)
tc = len;
w=::write(fd, buffer.front().data+ptr, tc);
if (w < 0)
{
if (errno != EWOULDBLOCK && errno != EBUSY && errno != EINTR)
eDebug("write: %m");
w=0;
}
ptr+=w;
if (ptr == buffer.front().len)
removeblock();
written+=w;
len-=w;
if (tc != w)
break;
}
return written;
}
void eIOBuffer::skip(int len)
{
while (len)
{
ASSERT(! buffer.empty());
int tn=len;
if (tn > (buffer.front().len-ptr))
tn=buffer.front().len-ptr;
ptr+=tn;
if (ptr == buffer.front().len)
removeblock();
len-=tn;
}
}
void eIOBuffer::clear()
{
while (!buffer.empty())
removeblock();
}
void loop() {
// get block
block blck = getRdm();
// update the grid and print
// for (int i = 0; i < 4; ++i){
// grid[blck.row[i]][blck.col[i]] = 1;
// }
block old_blck = blck;
printblock(blck);
while(down(&blck)) {
// blck is has been moved down.
// remove old_blck
removeblock(old_blck);
// update old_blck
old_blck = blck;
// check "turn" button
if (digitalRead(turnPin) == HIGH) {
// turn us
turnblock(&blck);
}
// check "left block"
if (digitalRead(leftPin) == HIGH) {
// go left if possible - arguments are blockr and blockc
left(&blck);
}
// check "right block"
if (digitalRead(rightPin) == HIGH) {
// go right if possible - arguments are blockr and blockc
right(&blck);
}
// remove old_blck
removeblock(old_blck);
// update old_blck
old_blck = blck;
// print new blck
printblock(blck);
// difficulty
// change how fast the block falls based on score
if (score < 5) {
Serial.println(1);
delay(250);
}
if (score >= 5 && score < 10) {
Serial.println(2);
delay(200);
}
if (score >= 10 && score < 20) {
Serial.println(3);
delay(150);
}
if (score >= 20) {
Serial.println(4);
delay(100);
}
// gridprinter();
}
// check grid for and full rows or endgame.
checkrow();
}
