mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-10-25 09:29:43 +00:00
b7ecd01686
some useless IR pointer math... It still doesn't make rotation work a sign fix when tilting along y axis (twisting the wiimote) git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6121 8ced0084-cf51-0410-be5f-012b33b47a6e
420 lines
8.4 KiB
C++
420 lines
8.4 KiB
C++
#include "UDPWiimote.h"
|
|
|
|
#ifdef _WIN32
|
|
|
|
#include <winsock2.h>
|
|
#include <ws2tcpip.h>
|
|
#define sock_t SOCKET
|
|
#define ERRNO WSAGetLastError()
|
|
#define EWOULDBLOCK WSAEWOULDBLOCK
|
|
#define BAD_SOCK INVALID_SOCKET
|
|
#define close(x) closesocket(x)
|
|
#define cleanup do {noinst--; if (noinst==0) WSACleanup();} while (0)
|
|
#define blockingoff(sock) ioctlsocket(sock, FIONBIO, &iMode)
|
|
#define dataz char*
|
|
#ifdef _MSC_VER
|
|
#pragma comment (lib, "Ws2_32.lib")
|
|
#endif
|
|
|
|
#else
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#define BAD_SOCK -1
|
|
#define ERRNO errno
|
|
#define cleanup noinst--
|
|
#define blockingoff(sock) fcntl(sock, F_SETFL, O_NONBLOCK)
|
|
#define dataz void*
|
|
#define sock_t int
|
|
|
|
#endif
|
|
|
|
#include "Thread.h"
|
|
#include "Timer.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <list>
|
|
|
|
struct UDPWiimote::_d
|
|
{
|
|
Common::Thread * thread;
|
|
std::list<sock_t> sockfds;
|
|
Common::CriticalSection termLock,mutex,nameMutex;
|
|
volatile bool exit;
|
|
sock_t bipv4_fd,bipv6_fd;
|
|
};
|
|
|
|
int UDPWiimote::noinst=0;
|
|
|
|
void _UDPWiiThread(void* arg)
|
|
{
|
|
((UDPWiimote*)arg)->mainThread();
|
|
}
|
|
|
|
THREAD_RETURN UDPWiiThread(void* arg)
|
|
{
|
|
_UDPWiiThread(arg);
|
|
return 0;
|
|
}
|
|
|
|
UDPWiimote::UDPWiimote(const char *_port, const char * name, int _index) :
|
|
port(_port), displayName(name),
|
|
d(new _d) ,x(0),y(0),z(1.0f),naX(0),naY(0),naZ(-1.0f),nunX(0),nunY(0),
|
|
pointerX(1001.0f/2),pointerY(0),nunMask(0),mask(0),index(_index), int_port(atoi(_port))
|
|
{
|
|
|
|
static bool sranded=false;
|
|
if (!sranded)
|
|
{
|
|
srand(time(0));
|
|
sranded=true;
|
|
}
|
|
bcastMagic=rand() & 0xFFFF;
|
|
|
|
#ifdef _WIN32
|
|
u_long iMode = 1;
|
|
#endif
|
|
struct addrinfo hints, *servinfo, *p;
|
|
int rv;
|
|
d->thread=NULL;
|
|
|
|
#ifdef _WIN32
|
|
if (noinst==0)
|
|
{
|
|
WORD sockVersion;
|
|
WSADATA wsaData;
|
|
sockVersion = MAKEWORD(2, 2);
|
|
WSAStartup(sockVersion, &wsaData);
|
|
}
|
|
#endif
|
|
|
|
noinst++;
|
|
|
|
memset(&hints, 0, sizeof hints);
|
|
hints.ai_family = AF_INET;
|
|
hints.ai_socktype = SOCK_DGRAM;
|
|
hints.ai_flags = AI_PASSIVE; // use my IP
|
|
|
|
if (!int_port){
|
|
cleanup;
|
|
err=-1;
|
|
return;
|
|
}
|
|
|
|
if ((rv = getaddrinfo(NULL, _port, &hints, &servinfo)) != 0) {
|
|
cleanup;
|
|
err=-1;
|
|
return;
|
|
}
|
|
|
|
// loop through all the results and bind to everything we can
|
|
for(p = servinfo; p != NULL; p = p->ai_next) {
|
|
sock_t sock;
|
|
if ((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == BAD_SOCK) {
|
|
continue;
|
|
}
|
|
if (bind(sock, p->ai_addr, p->ai_addrlen) == -1) {
|
|
close(sock);
|
|
continue;
|
|
}
|
|
d->sockfds.push_back(sock);
|
|
}
|
|
|
|
if (d->sockfds.empty()) {
|
|
cleanup;
|
|
err=-2;
|
|
return;
|
|
}
|
|
|
|
freeaddrinfo(servinfo);
|
|
err=0;
|
|
d->exit=false;
|
|
initBroadcastIPv4();
|
|
initBroadcastIPv6();
|
|
d->termLock.Enter();
|
|
d->thread = new Common::Thread(UDPWiiThread,this);
|
|
d->termLock.Leave();
|
|
return;
|
|
}
|
|
|
|
void UDPWiimote::mainThread()
|
|
{
|
|
d->termLock.Enter();
|
|
Common::Timer time;
|
|
fd_set fds;
|
|
struct timeval timeout;
|
|
timeout.tv_sec=0;
|
|
timeout.tv_usec=0;
|
|
time.Update();
|
|
do
|
|
{
|
|
int maxfd=0;
|
|
FD_ZERO(&fds);
|
|
for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
|
|
{
|
|
FD_SET(*i,&fds);
|
|
#ifndef _WIN32
|
|
if (*i>=maxfd)
|
|
maxfd=(*i)+1;
|
|
#endif
|
|
}
|
|
|
|
u64 tleft=timeout.tv_sec*1000+timeout.tv_usec/1000;
|
|
u64 telapsed=time.GetTimeDifference();
|
|
time.Update();
|
|
if (tleft<=telapsed)
|
|
{
|
|
timeout.tv_sec=1;
|
|
timeout.tv_usec=500000;
|
|
broadcastPresence();
|
|
} else {
|
|
tleft-=telapsed;
|
|
timeout.tv_sec=tleft/1000;
|
|
timeout.tv_usec=(tleft%1000)*1000;
|
|
}
|
|
|
|
d->termLock.Leave(); //VERY hacky. don't like it
|
|
if (d->exit) return;
|
|
int rt=select(maxfd,&fds,NULL,NULL,&timeout);
|
|
if (d->exit) return;
|
|
d->termLock.Enter();
|
|
if (d->exit) return;
|
|
|
|
if (rt)
|
|
{
|
|
for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
|
|
if (FD_ISSET(*i,&fds))
|
|
{
|
|
sock_t fd=*i;
|
|
u8 bf[64];
|
|
int size=60;
|
|
size_t addr_len;
|
|
struct sockaddr_storage their_addr;
|
|
addr_len = sizeof their_addr;
|
|
if ((size = recvfrom(fd,
|
|
(dataz)bf,
|
|
size , 0,(struct sockaddr *)&their_addr, (socklen_t*)&addr_len)) == -1)
|
|
{
|
|
ERROR_LOG(WIIMOTE,"UDPWii Packet error");
|
|
}
|
|
else
|
|
{
|
|
d->mutex.Enter();
|
|
if (pharsePacket(bf,size)==0)
|
|
{
|
|
//NOTICE_LOG(WIIMOTE,"UDPWII New pack");
|
|
} else {
|
|
//NOTICE_LOG(WIIMOTE,"UDPWII Wrong pack format... ignoring");
|
|
}
|
|
d->mutex.Leave();
|
|
}
|
|
}
|
|
}
|
|
} while (!(d->exit));
|
|
d->termLock.Leave();
|
|
}
|
|
|
|
UDPWiimote::~UDPWiimote()
|
|
{
|
|
d->exit=true;
|
|
d->thread->WaitForDeath();
|
|
d->termLock.Enter();
|
|
d->termLock.Leave();
|
|
for (std::list<sock_t>::iterator i=d->sockfds.begin(); i!=d->sockfds.end(); i++)
|
|
close(*i);
|
|
close(d->bipv4_fd);
|
|
close(d->bipv6_fd);
|
|
cleanup;
|
|
delete d;
|
|
}
|
|
|
|
#define ACCEL_FLAG (1<<0)
|
|
#define BUTT_FLAG (1<<1)
|
|
#define IR_FLAG (1<<2)
|
|
#define NUN_FLAG (1<<3)
|
|
#define NUNACCEL_FLAG (1<<4)
|
|
|
|
int UDPWiimote::pharsePacket(u8 * bf, size_t size)
|
|
{
|
|
if (size<3) return -1;
|
|
if (bf[0]!=0xde)
|
|
return -1;
|
|
//if (bf[1]==0)
|
|
// time=0;
|
|
//if (bf[1]<time) //NOT LONGER NEEDED TO ALLOW MULTIPLE IPHONES ON A SINGLE PORT
|
|
// return -1;
|
|
//time=bf[1];
|
|
u32 *p=(u32*)(&bf[3]);
|
|
if (bf[2]&ACCEL_FLAG)
|
|
{
|
|
if ((size-(((u8*)p)-bf))<12) return -1;
|
|
double ux,uy,uz;
|
|
ux=(double)((s32)ntohl(*p)); p++;
|
|
uy=(double)((s32)ntohl(*p)); p++;
|
|
uz=(double)((s32)ntohl(*p)); p++;
|
|
x=ux/1048576; //packet accel data
|
|
y=uy/1048576;
|
|
z=uz/1048576;
|
|
}
|
|
if (bf[2]&BUTT_FLAG)
|
|
{
|
|
if ((size-(((u8*)p)-bf))<4) return -1;
|
|
mask=ntohl(*p); p++;
|
|
}
|
|
if (bf[2]&IR_FLAG)
|
|
{
|
|
if ((size-(((u8*)p)-bf))<8) return -1;
|
|
pointerX=((double)((s32)ntohl(*p)))/1048576; p++;
|
|
pointerY=((double)((s32)ntohl(*p)))/1048576; p++;
|
|
}
|
|
if (bf[2]&NUN_FLAG)
|
|
{
|
|
if ((size-(((u8*)p)-bf))<9) return -1;
|
|
nunMask=*((u8*)p); p=(u32*)(((u8*)p)+1);
|
|
nunX=((double)((s32)ntohl(*p)))/1048576; p++;
|
|
nunY=((double)((s32)ntohl(*p)))/1048576; p++;
|
|
}
|
|
if (bf[2]&NUNACCEL_FLAG)
|
|
{
|
|
if ((size-(((u8*)p)-bf))<12) return -1;
|
|
double ux,uy,uz;
|
|
ux=(double)((s32)ntohl(*p)); p++;
|
|
uy=(double)((s32)ntohl(*p)); p++;
|
|
uz=(double)((s32)ntohl(*p)); p++;
|
|
naX=ux/1048576; //packet accel data
|
|
naY=uy/1048576;
|
|
naZ=uz/1048576;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
void UDPWiimote::initBroadcastIPv4()
|
|
{
|
|
d->bipv4_fd=socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (d->bipv4_fd == BAD_SOCK)
|
|
{
|
|
WARN_LOG(WIIMOTE,"socket() failed");
|
|
return;
|
|
}
|
|
|
|
int broad=1;
|
|
if (setsockopt(d->bipv4_fd,SOL_SOCKET,SO_BROADCAST, (const dataz)(&broad), sizeof broad) == -1)
|
|
{
|
|
WARN_LOG(WIIMOTE,"setsockopt(SO_BROADCAST) failed");
|
|
return;
|
|
}
|
|
}
|
|
|
|
void UDPWiimote::broadcastIPv4(const void * data, size_t size)
|
|
{
|
|
|
|
struct sockaddr_in their_addr;
|
|
their_addr.sin_family = AF_INET;
|
|
their_addr.sin_port = htons(4431);
|
|
their_addr.sin_addr.s_addr = INADDR_BROADCAST;
|
|
memset(their_addr.sin_zero, '\0', sizeof their_addr.sin_zero);
|
|
|
|
int num;
|
|
if ((num=sendto(d->bipv4_fd,(const dataz)data,size,0,(struct sockaddr *) &their_addr, sizeof their_addr)) == -1)
|
|
{
|
|
WARN_LOG(WIIMOTE,"sendto() failed");
|
|
return;
|
|
}
|
|
}
|
|
|
|
void UDPWiimote::initBroadcastIPv6()
|
|
{
|
|
//TODO: IPv6 support
|
|
}
|
|
|
|
void UDPWiimote::broadcastIPv6(const void * data, size_t size)
|
|
{
|
|
//TODO: IPv6 support
|
|
}
|
|
|
|
void UDPWiimote::broadcastPresence()
|
|
{
|
|
size_t slen;
|
|
u8 bf[512];
|
|
bf[0]=0xdf; //magic number
|
|
*((u16*)(&(bf[1])))=htons(bcastMagic); //unique per-wiimote 16-bit ID
|
|
bf[3]=(u8)index; //wiimote index
|
|
*((u16*)(&(bf[4])))=htons(int_port); //port
|
|
d->nameMutex.Enter();
|
|
slen=displayName.size();
|
|
if (slen>=256)
|
|
slen=255;
|
|
bf[6]=(u8)slen; //display name size (max 255)
|
|
memcpy(&(bf[7]),displayName.c_str(),slen); //display name
|
|
d->nameMutex.Leave();
|
|
broadcastIPv4(bf,7+slen);
|
|
broadcastIPv6(bf,7+slen);
|
|
}
|
|
|
|
void UDPWiimote::getAccel(float &_x, float &_y, float &_z)
|
|
{
|
|
d->mutex.Enter();
|
|
_x=(float)x;
|
|
_y=(float)y;
|
|
_z=(float)z;
|
|
d->mutex.Leave();
|
|
}
|
|
|
|
u32 UDPWiimote::getButtons()
|
|
{
|
|
u32 msk;
|
|
d->mutex.Enter();
|
|
msk=mask;
|
|
d->mutex.Leave();
|
|
return msk;
|
|
}
|
|
|
|
void UDPWiimote::getIR(float &_x, float &_y)
|
|
{
|
|
d->mutex.Enter();
|
|
_x=(float)pointerX;
|
|
_y=(float)pointerY;
|
|
d->mutex.Leave();
|
|
}
|
|
|
|
void UDPWiimote::getNunchuck(float &_x, float &_y, u8 &_mask)
|
|
{
|
|
d->mutex.Enter();
|
|
_x=(float)nunX;
|
|
_y=(float)nunY;
|
|
_mask=nunMask;
|
|
d->mutex.Leave();
|
|
}
|
|
|
|
void UDPWiimote::getNunchuckAccel(float &_x, float &_y, float &_z)
|
|
{
|
|
d->mutex.Enter();
|
|
_x=(float)naX;
|
|
_y=(float)naY;
|
|
_z=(float)naZ;
|
|
d->mutex.Leave();
|
|
}
|
|
|
|
|
|
const char * UDPWiimote::getPort()
|
|
{
|
|
return port.c_str();
|
|
}
|
|
|
|
|
|
void UDPWiimote::changeName(const char * name)
|
|
{
|
|
d->nameMutex.Enter();
|
|
displayName=name;
|
|
d->nameMutex.Leave();
|
|
}
|