dolphin/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteReal/WiimoteReal.cpp

480 lines
11 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <queue>
#include "Common.h"
#include "IniFile.h"
#include "StringUtil.h"
#include "Timer.h"
#include "pluginspecs_wiimote.h"
#include "wiiuse.h"
#include "WiimoteReal.h"
#include "../WiimoteEmu/WiimoteHid.h"
unsigned int g_wiimote_sources[MAX_WIIMOTES];
namespace WiimoteReal
{
bool g_real_wiimotes_initialized = false;
wiimote_t** g_wiimotes_from_wiiuse = NULL;
unsigned int g_wiimotes_found = 0;
// removed g_wiimotes_lastfound because Refresh() isn't taking advantage of it
volatile bool g_run_wiimote_thread = false;
Common::Thread *g_wiimote_threads[MAX_WIIMOTES] = {};
Common::CriticalSection g_refresh_critsec;
THREAD_RETURN WiimoteThreadFunc(void* arg);
void StartWiimoteThreads();
void StopWiimoteThreads();
Wiimote *g_wiimotes[MAX_WIIMOTES];
Wiimote::Wiimote(wiimote_t* const _wiimote, const unsigned int _index)
: index(_index)
, wiimote(_wiimote)
, m_last_data_report(NULL)
, m_channel(0)
{
// disable reporting
DisableDataReporting();
// set LEDs
wiiuse_set_leds(wiimote, WIIMOTE_LED_1 << index);
// TODO: make Dolphin connect wiimote, maybe
}
Wiimote::~Wiimote()
{
ClearReadQueue();
// clear write queue
Report rpt;
while (m_write_reports.Pop(rpt))
delete[] rpt.first;
// disable reporting / wiiuse might do this on shutdown anyway, o well, don't know for sure
DisableDataReporting();
}
// silly, copying data n stuff, o well, don't use this too often
void Wiimote::SendPacket(const u8 rpt_id, const void* const data, const unsigned int size)
{
Report rpt;
rpt.second = size + 2;
rpt.first = new u8[rpt.second];
rpt.first[0] = 0xA1;
rpt.first[1] = rpt_id;
memcpy(rpt.first + 2, data, size);
m_write_reports.Push(rpt);
}
void Wiimote::DisableDataReporting()
{
wm_report_mode rpt;
rpt.mode = WM_REPORT_CORE;
rpt.all_the_time = 0;
rpt.continuous = 0;
rpt.rumble = 0;
SendPacket(WM_REPORT_MODE, &rpt, sizeof(rpt));
}
void Wiimote::ClearReadQueue()
{
if (m_last_data_report)
{
delete[] m_last_data_report;
m_last_data_report = NULL;
}
u8 *rpt;
while (m_read_reports.Pop(rpt))
delete[] rpt;
}
void Wiimote::ControlChannel(const u16 channel, const void* const data, const u32 size)
{
// Check for custom communication
if (99 == channel)
Disconnect();
else
InterruptChannel(channel, data, size);
}
void Wiimote::InterruptChannel(const u16 channel, const void* const data, const u32 size)
{
if (0 == m_channel) // first interrupt/control channel sent
{
ClearReadQueue();
// request status
wm_request_status rpt;
rpt.rumble = 0;
SendPacket(WM_REQUEST_STATUS, &rpt, sizeof(rpt));
}
m_channel = channel; // this right?
Wiimote::Report rpt;
rpt.first = new u8[size];
rpt.second = (u8)size;
memcpy(rpt.first, (u8*)data, size);
// some hax, since we just send the last data report to Dolphin on each Update() call
// , make the wiimote only send updated data reports when data changes
// == less bt traffic, eliminates some unneeded packets
if (WM_REPORT_MODE == ((u8*)data)[1])
{
// also delete the last data report
if (m_last_data_report)
{
delete[] m_last_data_report;
m_last_data_report = NULL;
}
// nice var names :p, this seems to be this one
((wm_report_mode*)(rpt.first + 2))->all_the_time = false;
//((wm_report_mode*)(data + 2))->continuous = false;
}
m_write_reports.Push(rpt);
}
bool Wiimote::Read()
{
if (wiiuse_io_read(wiimote))
{
if (m_channel)
{
// add it to queue
u8* const rpt = new u8[MAX_PAYLOAD];
memcpy(rpt, wiimote->event_buf, MAX_PAYLOAD);
m_read_reports.Push(rpt);
}
return true;
}
return false;
}
bool Wiimote::Write()
{
Report rpt;
if (m_write_reports.Pop(rpt))
{
wiiuse_io_write(wiimote, rpt.first, rpt.second);
delete[] rpt.first;
return true;
}
return false;
}
// returns the next report that should be sent
u8* Wiimote::ProcessReadQueue()
{
// pop through the queued reports
u8* rpt = m_last_data_report;
while (m_read_reports.Pop(rpt))
{
// a data report
if (rpt[1] >= WM_REPORT_CORE)
m_last_data_report = rpt;
// some other kind of report
else
return rpt;
}
// the queue was empty, or there were only data reports
return rpt;
}
void Wiimote::Update()
{
// pop through the queued reports
u8* const rpt = ProcessReadQueue();
// send the report
if (rpt && m_channel)
g_WiimoteInitialize.pWiimoteInterruptChannel(index, m_channel, rpt, MAX_PAYLOAD);
// delete the data if it isn't also the last data rpt
if (rpt != m_last_data_report)
delete[] rpt;
}
void Wiimote::Disconnect()
{
m_channel = 0;
// disable reporting
DisableDataReporting();
}
void LoadSettings()
{
std::string ini_filename = (std::string(File::GetUserPath(D_CONFIG_IDX)) + g_plugin.ini_name + ".ini" );
IniFile inifile;
inifile.Load(ini_filename);
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
{
std::string secname("Wiimote");
secname += (char)('1' + i);
IniFile::Section& sec = *inifile.GetOrCreateSection(secname.c_str());
sec.Get("Source", &g_wiimote_sources[i], WIIMOTE_SRC_EMU);
}
}
unsigned int Initialize()
{
// return if already initialized
if (g_real_wiimotes_initialized)
return g_wiimotes_found;
memset(g_wiimotes, 0, sizeof(g_wiimotes));
// only call wiiuse_find with the number of slots configured for real wiimotes
unsigned int wanted_wiimotes = 0;
for (unsigned int i = 0; i < MAX_WIIMOTES; ++i)
if (WIIMOTE_SRC_REAL & g_wiimote_sources[i])
++wanted_wiimotes;
// don't bother initializing wiiuse if we don't want any real wiimotes
if (0 == wanted_wiimotes)
{
g_wiimotes_found = 0;
return 0;
}
// initialized
g_real_wiimotes_initialized = true;
#ifdef _WIN32
// Alloc memory for wiimote structure only if we're starting fresh
if(!g_wiimotes_from_wiiuse)
g_wiimotes_from_wiiuse = wiiuse_init(MAX_WIIMOTES);
// on windows wiiuse_find() expects as a 3rd parameter the amount of last connected wiimotes instead of the timeout,
// a timeout parameter is useless on win32 here, since at this points we already have the wiimotes discovered and paired up, just not connected.
g_wiimotes_found = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, 0);
#else
g_wiimotes_from_wiiuse = wiiuse_init(MAX_WIIMOTES);
g_wiimotes_found = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, 5);
#endif
DEBUG_LOG(WIIMOTE, "Found %i Real Wiimotes, %i wanted",
g_wiimotes_found, wanted_wiimotes);
g_wiimotes_found =
wiiuse_connect(g_wiimotes_from_wiiuse, g_wiimotes_found);
DEBUG_LOG(WIIMOTE, "Connected to %i Real Wiimotes", g_wiimotes_found);
// create real wiimote class instances, assign wiimotes
for (unsigned int i = 0, w = 0; i<MAX_WIIMOTES && w<g_wiimotes_found; ++i)
{
// create/assign wiimote
if (WIIMOTE_SRC_REAL & g_wiimote_sources[i])
g_wiimotes[i] = new Wiimote(g_wiimotes_from_wiiuse[w++], i);
}
StartWiimoteThreads();
return g_wiimotes_found;
}
void Shutdown(void)
{
if (false == g_real_wiimotes_initialized)
return;
// Uninitialized
g_real_wiimotes_initialized = false;
StopWiimoteThreads();
// delete wiimotes
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
if (g_wiimotes[i])
{
delete g_wiimotes[i];
g_wiimotes[i] = NULL;
}
// Clean up wiiuse, win32: we cant just delete the struct on win32, since wiiuse_find() maintains it and
// adds/removes wimotes directly to/from it to prevent problems, which would occur when using more than 1 wiimote if we create it from scratch everytime
#ifndef _WIN32
wiiuse_cleanup(g_wiimotes_from_wiiuse, MAX_WIIMOTES);
#endif
}
void Refresh() // this gets called from the GUI thread
{
#ifdef __linux__
// make sure real wiimotes have been initialized
if (!g_real_wiimotes_initialized)
{
Initialize();
return;
}
// find the number of slots configured for real wiimotes
unsigned int wanted_wiimotes = 0;
for (unsigned int i = 0; i < MAX_WIIMOTES; ++i)
if (WIIMOTE_SRC_REAL & g_wiimote_sources[i])
++wanted_wiimotes;
// don't scan for wiimotes if we don't want any more
if (wanted_wiimotes <= g_wiimotes_found)
return;
// scan for wiimotes
unsigned int num_wiimotes = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, 5);
DEBUG_LOG(WIIMOTE, "Found %i Real Wiimotes, %i wanted", num_wiimotes, wanted_wiimotes);
int num_new_wiimotes = wiiuse_connect(g_wiimotes_from_wiiuse, num_wiimotes);
DEBUG_LOG(WIIMOTE, "Connected to %i additional Real Wiimotes", num_new_wiimotes);
StopWiimoteThreads();
g_refresh_critsec.Enter();
// create real wiimote class instances, and assign wiimotes for the new wiimotes
for (unsigned int i = g_wiimotes_found, w = g_wiimotes_found;
i < MAX_WIIMOTES && w < num_wiimotes; ++i)
{
// create/assign wiimote
if (WIIMOTE_SRC_REAL & g_wiimote_sources[i] && NULL == g_wiimotes[i])
g_wiimotes[i] = new Wiimote(g_wiimotes_from_wiiuse[w++], i);
}
g_wiimotes_found = num_wiimotes;
g_refresh_critsec.Leave();
StartWiimoteThreads();
#else // windows/ OSX
g_refresh_critsec.Enter();
// should be fine i think
Shutdown();
Initialize();
g_refresh_critsec.Leave();
#endif
}
void InterruptChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->InterruptChannel(_channelID, _pData, _Size);
g_refresh_critsec.Leave();
}
void ControlChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->ControlChannel(_channelID, _pData, _Size);
g_refresh_critsec.Leave();
}
// Read the Wiimote once
void Update(int _WiimoteNumber)
{
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->Update();
g_refresh_critsec.Leave();
}
void StateChange(PLUGIN_EMUSTATE newState)
{
//g_refresh_critsec.Enter(); // enter
// TODO: disable/enable auto reporting, maybe
//g_refresh_critsec.Leave(); // leave
}
void StartWiimoteThreads()
{
g_run_wiimote_thread = true;
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
if (g_wiimotes[i])
g_wiimote_threads[i] = new Common::Thread(WiimoteThreadFunc, g_wiimotes[i]);
}
void StopWiimoteThreads()
{
g_run_wiimote_thread = false;
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
if (g_wiimote_threads[i])
{
g_wiimote_threads[i]->WaitForDeath();
delete g_wiimote_threads[i];
g_wiimote_threads[i] = NULL;
}
}
THREAD_RETURN WiimoteThreadFunc(void* arg)
{
Wiimote* const wiimote = (Wiimote*)arg;
{
char thname[] = "Wiimote # Thread";
thname[8] = (char)('1' + wiimote->index);
Common::SetCurrentThreadName(thname);
}
// rumble briefly
wiiuse_rumble(wiimote->wiimote, 1);
SLEEP(200);
wiiuse_rumble(wiimote->wiimote, 0);
// main loop
while (g_run_wiimote_thread)
{
wiimote->Write();
if (false == wiimote->Read())
Common::SleepCurrentThread(1); // sleep if there was nothing to read
}
return 0;
}
}; // end of namespace