//moves the given snake by 1 depending on the direction stored in its structure
int moveSnake( Snake *sn )
{
int px;
int py;
if( sn==NULL )
return -1;
//check if last element in the list contains
if( getPartType( sn, sn->length -1 ) == SNAKE_EATEN )
{
setPartType( sn, sn->length -1, SNAKE_PART );
sn->length++;
}
//get last recorded head coordinates
px = sn->buf[sn->head].x;
py = sn->buf[sn->head].y;
//move the head back
sn->head--;
if( sn->head < 0 )
sn->head = WIN_LENGTH - 1;
//update the position of the new head
sn->buf[sn->head].y = py;
sn->buf[sn->head].x = px;
switch( sn->dir )
{ case UP : sn->buf[sn->head].y--;
break;
case LEFT : sn->buf[sn->head].x--;
break;
case DOWN : sn->buf[sn->head].y++;
break;
case RIGHT: sn->buf[sn->head].x++;
break;
}
return 0;
}
QString SnakePart::decodePart()
{
QString name;
// Player
if (getPlayerNumber() == 0)
{
name = QLatin1String( "tron1-" );
}
else if (getPlayerNumber() == 1)
{
name = QLatin1String( "tron2-" );
}
// Heads (or tails)
if (getPartType() == SnakePartType::Head)
{
if (getPartTop() && getPartLeft() && getPartRight())
{
name += QLatin1String( "head-north" );
}
else if (getPartBottom() && getPartLeft() && getPartRight())
{
name += QLatin1String( "head-south" );
}
else if (getPartTop() && getPartBottom() && getPartLeft())
{
name += QLatin1String( "head-west" );
}
else if (getPartTop() && getPartBottom() && getPartRight())
{
name += QLatin1String( "head-east" );
}
}
else if (getPartType() == SnakePartType::Hole)
{
if (getPartTop() && getPartLeft() && getPartRight())
{
name += QLatin1String( "tail-south" );
}
else if (getPartBottom() && getPartLeft() && getPartRight())
{
name += QLatin1String( "tail-north" );
}
else if (getPartTop() && getPartBottom() && getPartLeft())
{
name += QLatin1String( "tail-east" );
}
else if (getPartTop() && getPartBottom() && getPartRight())
{
name += QLatin1String( "tail-west" );
}
}
else if (getPartType() == SnakePartType::Tail)
{
if (getPartTop() && getPartLeft() && getPartRight())
{
name += QLatin1String( "tail-south2" );
}
else if (getPartBottom() && getPartLeft() && getPartRight())
{
name += QLatin1String( "tail-north2" );
}
else if (getPartTop() && getPartBottom() && getPartLeft())
{
name += QLatin1String( "tail-east2" );
}
else if (getPartTop() && getPartBottom() && getPartRight())
{
name += QLatin1String( "tail-west2" );
}
}
else if (getPartType() == SnakePartType::Body)
{
// Bodys
if (getPartTop() && getPartBottom())
{
name += QLatin1String( "body-h" );
}
else if (getPartLeft() && getPartRight())
{
name += QLatin1String( "body-v" );
}
else if (getPartLeft() && getPartTop())
{
name += QLatin1String( "body-nw" );
}
else if (getPartTop() && getPartRight())
{
name += QLatin1String( "body-ne" );
}
else if (getPartLeft() && getPartBottom())
{
name += QLatin1String( "body-sw" );
}
else if (getPartBottom() && getPartRight())
{
name += QLatin1String( "body-se" );
}
}
return name;
}