301 lines
6.2 KiB
C++
301 lines
6.2 KiB
C++
#include "UDPWiimote.h"
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#ifdef _WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#define sock_t SOCKET
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#define ERRNO WSAGetLastError()
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define BAD_SOCK INVALID_SOCKET
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#define close(x) closesocket(x)
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#define cleanup do {noinst--; if (noinst==0) WSACleanup();} while (0)
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#define blockingoff(sock) ioctlsocket(sock, FIONBIO, &iMode)
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#define dataz char*
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#ifdef _MSC_VER
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#pragma comment (lib, "Ws2_32.lib")
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#endif
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#else
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define BAD_SOCK -1
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#define ERRNO errno
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#define cleanup noinst--
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#define blockingoff(sock) fcntl(sock, F_SETFL, O_NONBLOCK)
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#define dataz void*
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#define sock_t int
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#endif
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#include "Thread.h"
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#include "EmuMain.h"
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#include <stdio.h>
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#include <string.h>
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#include <list>
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struct UDPWiimote::_d
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{
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Common::Thread * thread;
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std::list<sock_t> sockfds;
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Common::CriticalSection termLock,mutex;
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volatile bool exit;
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};
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int UDPWiimote::noinst=0;
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void _UDPWiiThread(void* arg)
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{
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((UDPWiimote*)arg)->mainThread();
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//NOTICE_LOG(WIIMOTE,"UDPWii thread stopped");
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}
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THREAD_RETURN UDPWiiThread(void* arg)
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{
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_UDPWiiThread(arg);
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return 0;
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}
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UDPWiimote::UDPWiimote(const char *port) :
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d(new _d) ,x(0),y(0),z(0),nunX(0),nunY(0),
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pointerX(-0.1),pointerY(-0.1),nunMask(0),mask(0),time(0)
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{
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#ifdef _WIN32
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u_long iMode = 1;
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#endif
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struct addrinfo hints, *servinfo, *p;
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int rv;
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d->thread=NULL;
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#ifdef _WIN32
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if (noinst==0)
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{
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WORD sockVersion;
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WSADATA wsaData;
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sockVersion = MAKEWORD(2, 2);
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WSAStartup(sockVersion, &wsaData);
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}
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#endif
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noinst++;
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// NOTICE_LOG(WIIMOTE,"UDPWii instantiated");
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memset(&hints, 0, sizeof hints);
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hints.ai_family = AF_INET;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_flags = AI_PASSIVE; // use my IP
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if ((rv = getaddrinfo(NULL, port, &hints, &servinfo)) != 0) {
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cleanup;
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err=-1;
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return;
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}
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// loop through all the results and bind to everything we can
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for(p = servinfo; p != NULL; p = p->ai_next) {
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sock_t sock;
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if ((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == BAD_SOCK) {
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continue;
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}
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if (bind(sock, p->ai_addr, p->ai_addrlen) == -1) {
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close(sock);
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continue;
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}
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//NOTICE_LOG(WIIMOTE,"UDPWii new listening sock");
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d->sockfds.push_back(sock);
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}
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if (d->sockfds.empty()) {
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cleanup;
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err=-2;
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return;
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}
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freeaddrinfo(servinfo);
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err=0;
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d->exit=false;
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// NOTICE_LOG(WIIMOTE,"UDPWii thread starting");
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d->termLock.Enter();
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d->thread = new Common::Thread(UDPWiiThread,this);
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d->termLock.Leave();
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return;
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}
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void UDPWiimote::mainThread()
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{
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d->termLock.Enter();
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// NOTICE_LOG(WIIMOTE,"UDPWii thread started");
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fd_set fds;
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struct timeval timeout;
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timeout.tv_sec=1;
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timeout.tv_usec=500000;
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//Common::Thread * thisthr= d->thread;
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do
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{
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int maxfd=0;
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FD_ZERO(&fds);
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for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
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{
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FD_SET(*i,&fds);
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#ifndef _WIN32
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if (*i>=maxfd)
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maxfd=(*i)+1;
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#endif
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}
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d->termLock.Leave();
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if (d->exit) return;
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int rt=select(maxfd,&fds,NULL,NULL,&timeout);
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if (d->exit) return;
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d->termLock.Enter();
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if (d->exit) return;
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if (rt)
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{
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for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
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if (FD_ISSET(*i,&fds))
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{
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sock_t fd=*i;
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u8 bf[64];
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int size=60;
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size_t addr_len;
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struct sockaddr_storage their_addr;
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addr_len = sizeof their_addr;
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if ((size = recvfrom(fd, (dataz)bf, size , 0,(struct sockaddr *)&their_addr, (socklen_t*)&addr_len)) == -1)
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{
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ERROR_LOG(WIIMOTE,"UDPWii Packet error");
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}
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else
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{
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d->mutex.Enter();
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if (pharsePacket(bf,size)==0)
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{
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//NOTICE_LOG(WIIMOTE,"UDPWII New pack");
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} else {
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//NOTICE_LOG(WIIMOTE,"UDPWII Wrong pack format... ignoring");
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}
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d->mutex.Leave();
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}
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}
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} else {
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broadcastPresence();
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}
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} while (!(d->exit));
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d->termLock.Leave();
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//delete thisthr;
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}
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UDPWiimote::~UDPWiimote()
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{
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d->exit=true;
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d->termLock.Enter();
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d->termLock.Leave();
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for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
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close(*i);
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cleanup;
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delete d;
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}
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#define ACCEL_FLAG (1<<0)
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#define BUTT_FLAG (1<<1)
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#define IR_FLAG (1<<2)
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#define NUN_FLAG (1<<3)
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int UDPWiimote::pharsePacket(u8 * bf, size_t size)
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{
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if (size<3) return -1;
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if (bf[0]!=0xde)
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return -1;
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if (bf[1]==0)
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time=0;
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if (bf[1]<time)
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return -1;
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time=bf[1];
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u32 *p=(u32*)(&bf[3]);
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if (bf[2]&ACCEL_FLAG)
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{
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if ((size-(((u8*)p)-bf))<12) return -1;
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double ux,uy,uz;
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ux=(double)((s32)ntohl(*p)); p++;
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uy=(double)((s32)ntohl(*p)); p++;
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uz=(double)((s32)ntohl(*p)); p++;
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x=ux/1048576; //packet accel data
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y=uy/1048576;
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z=uz/1048576;
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}
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if (bf[2]&BUTT_FLAG)
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{
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if ((size-(((u8*)p)-bf))<4) return -1;
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mask=ntohl(*p); p++;
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}
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if (bf[2]&IR_FLAG)
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{
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if ((size-(((u8*)p)-bf))<8) return -1;
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pointerX=((double)((s32)ntohl(*p)))/1048576; p++;
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pointerY=((double)((s32)ntohl(*p)))/1048576; p++;
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}
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if (bf[2]&NUN_FLAG)
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{
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if ((size-(((u8*)p)-bf))<9) return -1;
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nunMask=*((u8*)p); p=(u32*)(((u8*)p)+1);
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nunX=((double)((s32)ntohl(*p)))/1048576; p++;
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nunY=((double)((s32)ntohl(*p)))/1048576; p++;
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}
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return 0;
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}
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void UDPWiimote::broadcastPresence()
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{
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// NOTICE_LOG(WIIMOTE,"UDPWii broadcasting presence");
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}
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void UDPWiimote::getAccel(int &_x, int &_y, int &_z)
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{
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float xg = WiiMoteEmu::g_wm.cal_g.x;
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float yg = WiiMoteEmu::g_wm.cal_g.y;
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float zg = WiiMoteEmu::g_wm.cal_g.z;
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d->mutex.Enter();
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_x = WiiMoteEmu::g_wm.cal_zero.x + (int)(xg * x);
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_y = WiiMoteEmu::g_wm.cal_zero.y + (int)(yg * y);
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_z = WiiMoteEmu::g_wm.cal_zero.z + (int)(zg * z);
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d->mutex.Leave();
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//NOTICE_LOG(WIIMOTE,"%lf %lf %lf",_x, _y, _z);
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}
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u32 UDPWiimote::getButtons()
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{
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u32 msk;
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d->mutex.Enter();
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msk=mask;
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d->mutex.Leave();
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return msk;
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}
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void UDPWiimote::getIR(float &_x, float &_y)
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{
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d->mutex.Enter();
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_x=(float)pointerX;
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_y=(float)pointerY;
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d->mutex.Leave();
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}
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void UDPWiimote::getNunchuck(float &_x, float &_y, u8 &_mask)
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{
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d->mutex.Enter();
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_x=(float)nunX;
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_y=(float)nunY;
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_mask=nunMask;
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d->mutex.Leave();
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}
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