dolphin/Source/Core/DolphinWX/Src/NetPlay.cpp

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// 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 "NetPlay.h"
#include "NetWindow.h"
// for wiimote
#include "IPC_HLE/WII_IPC_HLE_Device_usb.h"
#include "IPC_HLE/WII_IPC_HLE_WiiMote.h"
// for gcpad
#include "HW/SI_DeviceGCController.h"
// for gctime
#include "HW/EXI_DeviceIPL.h"
// to start/stop game
#include "Frame.h"
// for wiimote/ OSD messages
#include "Core.h"
Common::CriticalSection crit_netplay_ptr;
static NetPlay* netplay_ptr = NULL;
extern CFrame* main_frame;
#define RPT_SIZE_HACK (1 << 16)
DEFINE_EVENT_TYPE(wxEVT_THREAD)
THREAD_RETURN NetPlayThreadFunc(void* arg)
{
((NetPlay*)arg)->Entry();
return 0;
}
// called from ---GUI--- thread
NetPlay::NetPlay()
: m_is_running(false), m_do_loop(true)
{
m_target_buffer_size = 20;
ClearBuffers();
}
void NetPlay_Enable(NetPlay* const np)
{
CritLocker crit(::crit_netplay_ptr); // probably safe without a lock
::netplay_ptr = np;
}
void NetPlay_Disable()
{
CritLocker crit(::crit_netplay_ptr);
::netplay_ptr = NULL;
}
// called from ---GUI--- thread
NetPlay::~NetPlay()
{
CritLocker crit(crit_netplay_ptr);
::netplay_ptr = NULL;
// not perfect
if (m_is_running)
StopGame();
}
NetPlay::Player::Player()
{
memset(pad_map, -1, sizeof(pad_map));
}
// called from ---NETPLAY--- thread
void NetPlay::UpdateGUI()
{
if (m_dialog)
{
wxCommandEvent evt(wxEVT_THREAD, 1);
m_dialog->GetEventHandler()->AddPendingEvent(evt);
}
}
// called from ---NETPLAY--- thread
void NetPlay::AppendChatGUI(const std::string& msg)
{
if (m_dialog)
{
m_dialog->chat_msgs.Push(msg);
// silly
UpdateGUI();
}
}
// called from ---GUI--- thread
std::string NetPlay::Player::ToString() const
{
std::ostringstream ss;
ss << name << '[' << (char)(pid+'0') << "] : " << revision << " |";
for (unsigned int i=0; i<4; ++i)
ss << (pad_map[i]>=0 ? (char)(pad_map[i]+'1') : '-');
ss << '|';
return ss.str();
}
NetPad::NetPad()
{
nHi = 0x00808080;
nLo = 0x80800000;
}
NetPad::NetPad(const SPADStatus* const pad_status)
{
nHi = (u32)((u8)pad_status->stickY);
nHi |= (u32)((u8)pad_status->stickX << 8);
nHi |= (u32)((u16)pad_status->button << 16);
nHi |= 0x00800000;
nLo = (u8)pad_status->triggerRight;
nLo |= (u32)((u8)pad_status->triggerLeft << 8);
nLo |= (u32)((u8)pad_status->substickY << 16);
nLo |= (u32)((u8)pad_status->substickX << 24);
}
// called from ---NETPLAY--- thread
void NetPlay::ClearBuffers()
{
// clear pad buffers, Clear method isn't thread safe
for (unsigned int i=0; i<4; ++i)
{
while (m_pad_buffer[i].Size())
m_pad_buffer[i].Pop();
while (m_wiimote_buffer[i].Size())
m_wiimote_buffer[i].Pop();
m_wiimote_input[i].clear();
}
}
// called from ---CPU--- thread
bool NetPlay::GetNetPads(const u8 pad_nb, const SPADStatus* const pad_status, NetPad* const netvalues)
{
m_crit.players.Enter(); // lock players
// in game mapping for this local pad
unsigned int in_game_num = m_local_player->pad_map[pad_nb];
// does this local pad map in game?
if (in_game_num < 4)
{
NetPad np(pad_status);
// adjust the buffer either up or down
// inserting multiple padstates or dropping states
while (m_pad_buffer[in_game_num].Size() <= m_target_buffer_size)
{
// add to buffer
m_pad_buffer[in_game_num].Push(np);
// send
SendPadState(pad_nb, np);
}
}
m_crit.players.Leave();
//Common::Timer bufftimer;
//bufftimer.Start();
// get padstate from buffer and send to game
while (!m_pad_buffer[pad_nb].Pop(*netvalues))
{
// wait for receiving thread to push some data
Common::SleepCurrentThread(1);
if (false == m_is_running)
return false;
// TODO: check the time of bufftimer here,
// if it gets pretty high, ask the user if they want to disconnect
}
//u64 hangtime = bufftimer.GetTimeElapsed();
//if (hangtime > 10)
//{
// std::ostringstream ss;
// ss << "Pad " << (int)pad_nb << ": Had to wait " << hangtime << "ms for pad data. (increase pad Buffer maybe)";
// Core::DisplayMessage(ss.str(), 1000);
//}
return true;
}
// called from ---CPU--- thread
void NetPlay::WiimoteInput(int _number, u16 _channelID, const void* _pData, u32 _Size)
{
//// in game mapping for this local wiimote
unsigned int in_game_num = m_local_player->pad_map[_number]; // just using gc pad_map for now
// does this local pad map in game?
if (in_game_num < 4)
{
m_wiimote_input[_number].resize(m_wiimote_input[_number].size() + 1);
m_wiimote_input[_number].back().assign((char*)_pData, (char*)_pData + _Size);
m_wiimote_input[_number].back().channel = _channelID;
}
m_crit.players.Leave();
}
// called from ---CPU--- thread
void NetPlay::WiimoteUpdate(int _number)
{
m_crit.players.Enter(); // lock players
// in game mapping for this local wiimote
unsigned int in_game_num = m_local_player->pad_map[_number]; // just using gc pad_map for now
// does this local pad map in game?
if (in_game_num < 4)
{
m_wiimote_buffer[in_game_num].Push(m_wiimote_input[_number]);
// TODO: send it
m_wiimote_input[_number].clear();
}
m_crit.players.Leave();
if (0 == m_wiimote_buffer[_number].Size())
{
//PanicAlert("PANIC");
return;
}
NetWiimote nw;
m_wiimote_buffer[_number].Pop(nw);
NetWiimote::const_iterator
i = nw.begin(), e = nw.end();
for ( ; i!=e; ++i)
Core::Callback_WiimoteInterruptChannel(_number, i->channel, &(*i)[0], (u32)i->size() + RPT_SIZE_HACK);
}
// called from ---GUI--- thread
bool NetPlay::StartGame(const std::string &path)
{
if (m_is_running)
{
PanicAlertT("Game is already running!");
return false;
}
AppendChatGUI(" -- STARTING GAME -- ");
m_is_running = true;
NetPlay_Enable(this);
ClearBuffers();
// boot game
::main_frame->BootGame(path);
// temporary
NetWiimote nw;
for (unsigned int i = 0; i<4; ++i)
for (unsigned int f = 0; f<2; ++f)
m_wiimote_buffer[i].Push(nw);
return true;
}
// called from ---GUI--- thread and ---NETPLAY--- thread (client side)
bool NetPlay::StopGame()
{
CritLocker game_lock(m_crit.game); // lock game state
if (false == m_is_running)
{
PanicAlertT("Game isn't running!");
return false;
}
AppendChatGUI(" -- STOPPING GAME -- ");
m_is_running = false;
NetPlay_Disable();
// stop game
::main_frame->DoStop();
return true;
}
// called from ---CPU--- thread
u8 NetPlay::GetPadNum(u8 numPAD)
{
// TODO: i don't like that this loop is running everytime there is rumble
unsigned int i = 0;
for (; i<4; ++i)
if (numPAD == m_local_player->pad_map[i])
break;
return i;
}
// stuff hacked into dolphin
// called from ---CPU--- thread
// Actual Core function which is called on every frame
bool CSIDevice_GCController::NetPlay_GetInput(u8 numPAD, SPADStatus PadStatus, u32 *PADStatus)
{
CritLocker crit(::crit_netplay_ptr);
if (::netplay_ptr)
return netplay_ptr->GetNetPads(numPAD, &PadStatus, (NetPad*)PADStatus);
else
return false;
}
// called from ---CPU--- thread
// so all players' games get the same time
u32 CEXIIPL::NetPlay_GetGCTime()
{
CritLocker crit(::crit_netplay_ptr);
if (::netplay_ptr)
return 1272737767; // watev
else
return 0;
}
// called from ---CPU--- thread
// return the local pad num that should rumble given a ingame pad num
u8 CSIDevice_GCController::NetPlay_GetPadNum(u8 numPAD)
{
CritLocker crit(::crit_netplay_ptr);
if (::netplay_ptr)
return ::netplay_ptr->GetPadNum(numPAD);
else
return numPAD;
}
// called from ---CPU--- thread
// wiimote update / used for frame counting
//void CWII_IPC_HLE_Device_usb_oh1_57e_305::NetPlay_WiimoteUpdate(int _number)
void CWII_IPC_HLE_Device_usb_oh1_57e_305::NetPlay_WiimoteUpdate(int)
{
//CritLocker crit(::crit_netplay_ptr);
//if (::netplay_ptr)
// ::netplay_ptr->WiimoteUpdate(_number);
}
// called from ---CPU--- thread
//
int CWII_IPC_HLE_WiiMote::NetPlay_GetWiimoteNum(int _number)
{
//CritLocker crit(::crit_netplay_ptr);
//if (::netplay_ptr)
// return ::netplay_ptr->GetPadNum(_number); // just using gcpad mapping for now
//else
return _number;
}
// called from ---CPU--- thread
// intercept wiimote input callback
//bool CWII_IPC_HLE_WiiMote::NetPlay_WiimoteInput(int _number, u16 _channelID, const void* _pData, u32& _Size)
bool CWII_IPC_HLE_WiiMote::NetPlay_WiimoteInput(int, u16, const void*, u32&)
{
CritLocker crit(::crit_netplay_ptr);
if (::netplay_ptr)
//{
// if (_Size >= RPT_SIZE_HACK)
// {
// _Size -= RPT_SIZE_HACK;
// return false;
// }
// else
// {
// ::netplay_ptr->WiimoteInput(_number, _channelID, _pData, _Size);
// // don't use this packet
return true;
// }
//}
else
return false;
}