void FastMarch2D::Initialize() {
static int ci, pi, flag;
for(int i = 1; i <= Nx; i++)
{
//if(Done == 0) f= 0: change --> -1^f = -1; NO --> 0^f = 0; 1^f = 1;
//if(Done == -1) f=-1: change --> 0^f = -1; 1^f = -2; NO --> -1^f = 0;
//if(Done == 1) f= 1: change --> -1^f = -2; NO --> 0^f = 1; 1^f = 0;
flag = grid[GI(i,1)].DoneFlag;
for(int j = 2; j <= Ny; j++)
{
ci = GI(i,j);
if((flag ^ grid[ci].DoneFlag) < 0)
{
pi = GI(i,j-1);
flag = grid[ci].DoneFlag;
if(flag >= 0) {
grid[ci].DoneFlag = 1;
AddClose(GI(i,j+1));
grid[ci].value = min(grid[ci].value, abs(h + grid[pi].value));
}
else {
grid[pi].DoneFlag = 1;
AddClose(GI(i,j-2));
grid[pi].value = min(grid[pi].value, abs(h + grid[ci].value));
}
}
}
}
for(int j = 1; j <= Ny; j++)
{
flag = grid[GI(1,j)].DoneFlag;
for(int i = 2; i <= Nx; i++)
{
ci = GI(i,j);
if((flag ^ grid[ci].DoneFlag) < 0)
{
pi = GI(i-1,j);
flag = grid[ci].DoneFlag;
if(flag >= 0) {
grid[ci].DoneFlag = 1;
AddClose(GI(i+1,j));
grid[ci].value = min(grid[ci].value, abs(h + grid[pi].value));
}
else {
grid[pi].DoneFlag = 1;
AddClose(GI(i-2,j));
grid[pi].value = min(grid[pi].value, abs(h + grid[ci].value));
}
}
}
}
}
int CIocpServer::CloseSock(SOCKET_OBJ *sock,bool close_delay) //关闭当前的客户端
{
if(sock == NULL)
return -1;
#ifdef DEBUG_IOCP
_ASSERTE(sock->onclosed == 0); //已经调用过OnClose()了！
_ASSERTE(sock->freeed == 0); //已经free掉了!
#endif
if( ( sock->flag_close == 0 ) || (sock->s == INVALID_SOCKET))
return -1;
LOCK(&sock->cs);
if(sock->s != INVALID_SOCKET)
{
sock->flag_close = 0; //设置关闭标志
if(close_delay)
{ //延时关闭
AddClose(sock,GetTickCount());
shutdown(sock->s,SD_BOTH);
}
else
{ //立即关闭
SOCKET s = sock->s;
sock->s = INVALID_SOCKET;
closesocket(s);
}
}
UNLOCK(&sock->cs);
return 0;
}