pcsx2/plugins/xpad/xpad.cpp

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/*
* Copyright (C) 2007 Gabest
* http://www.gabest.org
*
* 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; either version 2, or (at your option)
* any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "xpad.h"
static HMODULE s_hModule;
BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch(ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
s_hModule = hModule;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
//
static struct
{
static const UINT32 revision = 0;
static const UINT32 build = 2;
static const UINT32 minor = 0;
} s_ver;
static bool s_ps2 = false;
EXPORT_C_(UINT32) PSEgetLibType()
{
return PSE_LT_PAD;
}
EXPORT_C_(char*) PSEgetLibName()
{
return "XPad";
}
EXPORT_C_(UINT32) PSEgetLibVersion()
{
return (s_ver.minor << 16) | (s_ver.revision << 8) | s_ver.build;
}
EXPORT_C_(UINT32) PS2EgetLibType()
{
return PS2E_LT_PAD;
}
EXPORT_C_(char*) PS2EgetLibName()
{
return "XPad";
}
EXPORT_C_(UINT32) PS2EgetLibVersion2(UINT32 type)
{
s_ps2 = true;
return (s_ver.build << 0) | (s_ver.revision << 8) | (PS2E_PAD_VERSION << 16) | (s_ver.minor << 24);
}
//
struct XPadButton
{
enum
{
Select = 0x0001,
L3 = 0x0002,
R3 = 0x0004,
Start = 0x0008,
Up = 0x0010,
Right = 0x0020,
Down = 0x0040,
Left = 0x0080,
L2 = 0x0100,
R2 = 0x0200,
L1 = 0x0400,
R1 = 0x0800,
Triangle = 0x1000,
Circle = 0x2000,
Cross = 0x4000,
Square = 0x8000,
};
};
class XInput
{
int m_pad;
bool m_connected;
XINPUT_STATE m_state;
XINPUT_VIBRATION m_vibration;
clock_t m_lastpoll;
public:
XInput(int pad)
: m_pad(pad)
, m_connected(false)
, m_lastpoll(0)
{
memset(&m_vibration, 0, sizeof(m_vibration));
}
bool GetState(XINPUT_STATE& state)
{
clock_t now = clock();
clock_t delay = m_connected ? 16 : 1000; // poll once per frame (16 ms is about 60 fps)
if(now > m_lastpoll + delay)
{
memset(&m_state, 0, sizeof(m_state));
m_connected = XInputGetState(m_pad, &m_state) == S_OK; // ERROR_DEVICE_NOT_CONNECTED is not an error, SUCCEEDED(...) won't work here
m_lastpoll = now;
}
memcpy(&state, &m_state, sizeof(state));
return m_connected;
}
void SetState(XINPUT_VIBRATION& vibration)
{
if(m_vibration.wLeftMotorSpeed != vibration.wLeftMotorSpeed || m_vibration.wRightMotorSpeed != vibration.wRightMotorSpeed)
{
XInputSetState(m_pad, &vibration);
m_vibration = vibration;
}
}
bool IsConnected()
{
return m_connected;
}
};
class XPad
{
public:
int m_pad;
XInput m_xinput;
bool m_connected;
bool m_ds2native;
bool m_analog;
bool m_locked;
bool m_vibration;
BYTE m_small;
BYTE m_large;
WORD m_buttons;
struct {BYTE x, y;} m_left;
struct {BYTE x, y;} m_right;
void SetButton(WORD buttons, WORD mask, int flag)
{
if(buttons & mask)
{
m_buttons &= ~flag;
}
else
{
m_buttons |= flag;
}
}
void SetAnalog(short src, BYTE& dst, short deadzone)
{
if(abs(src) < deadzone) src = 0;
dst = (src >> 8) + 128;
}
public:
XPad(int pad)
: m_xinput(pad)
, m_ds2native(false)
, m_analog(!s_ps2) // defaults to analog off for ps2
, m_locked(false)
, m_vibration(true)
, m_small(0)
, m_large(0)
, m_buttons(0xffff)
{
}
virtual ~XPad()
{
}
BYTE GetId()
{
return m_analog ? (m_ds2native ? 0x79 : 0x73) : 0x41;
}
BYTE ReadData(int index)
{
if(index == 0)
{
XINPUT_STATE state;
if(m_xinput.GetState(state))
{
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_BACK, XPadButton::Select);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_THUMB, XPadButton::L3);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_THUMB, XPadButton::R3);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_START, XPadButton::Start);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_UP, XPadButton::Up);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_RIGHT, XPadButton::Right);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_DOWN, XPadButton::Down);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_LEFT, XPadButton::Left);
SetButton(state.Gamepad.bLeftTrigger, 0xe0, XPadButton::L2);
SetButton(state.Gamepad.bRightTrigger, 0xe0, XPadButton::R2);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_SHOULDER, XPadButton::L1);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_SHOULDER, XPadButton::R1);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_Y, XPadButton::Triangle);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_B, XPadButton::Circle);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_A, XPadButton::Cross);
SetButton(state.Gamepad.wButtons, XINPUT_GAMEPAD_X, XPadButton::Square);
SetAnalog(state.Gamepad.sThumbLX, m_left.x, XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE);
SetAnalog(~state.Gamepad.sThumbLY, m_left.y, XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE);
SetAnalog(state.Gamepad.sThumbRX, m_right.x, XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE);
SetAnalog(~state.Gamepad.sThumbRY, m_right.y, XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE);
}
else
{
m_buttons = 0xffff;
m_left.x = 128;
m_left.y = 128;
m_right.x = 128;
m_right.y = 128;
}
}
if(index == 1)
{
if(m_xinput.IsConnected())
{
XINPUT_VIBRATION vibraton;
memset(&vibraton, 0, sizeof(vibraton));
if(m_vibration && (m_small || m_large))
{
vibraton.wLeftMotorSpeed = m_large << 8;
vibraton.wRightMotorSpeed = m_small << 8;
}
m_xinput.SetState(vibraton);
}
}
switch(index)
{
case 0:
return (BYTE)(m_buttons & 0xff);
case 1:
return (BYTE)(m_buttons >> 8);
case 2:
return m_right.x;
case 3:
return m_right.y;
case 4:
return m_left.x;
case 5:
return m_left.y;
}
return 0xff;
}
};
static class XPadPlugin
{
vector<XPad*> m_pads;
XPad* m_pad;
int m_index;
bool m_cfgreaddata;
BYTE m_unknown1;
BYTE m_unknown3;
typedef BYTE (XPadPlugin::*CommandHandler)(int, BYTE);
CommandHandler m_handlers[256];
CommandHandler m_handler;
BYTE DS2Enabler(int index, BYTE value)
{
switch(index)
{
case 2:
return 0x02;
case 5:
return 'Z';
}
return 0;
}
BYTE QueryDS2AnalogMode(int index, BYTE value)
{
if(m_pad->m_ds2native)
{
switch(index)
{
case 0:
return 0xff;
case 1:
return 0xff;
case 2:
return 3;
case 3:
return 0;
case 4:
return 0;
case 5:
return 'Z';
}
}
return 0;
}
BYTE ReadDataAndVibrate(int index, BYTE value)
{
switch(index)
{
case 0:
m_pad->m_small = value == 1 ? 128 : 0; // RE4 map menu, value = 2
break;
case 1:
m_pad->m_large = value;
break;
}
return m_pad->ReadData(index);
}
BYTE ConfigMode(int index, BYTE value)
{
switch(index)
{
case 0:
switch(value)
{
case 0:
m_cfgreaddata = false;
break;
case 1:
m_cfgreaddata = true;
break;
}
break;
}
if(m_cfgreaddata)
{
return m_pad->ReadData(index);
}
return 0;
}
BYTE SetModeAndLock(int index, BYTE value)
{
switch(index)
{
case 0:
// if(!m_pad->m_locked) ?
m_pad->m_analog = value == 1;
break;
case 1:
m_pad->m_locked = value == 3;
break;
}
return 0;
}
BYTE QueryModelAndMode(int index, BYTE value)
{
switch(index)
{
case 0:
return 3;
case 1:
return 2;
case 2:
return m_pad->m_analog ? 1 : 0;
case 3:
return m_pad->m_ds2native ? 1 : 2;
case 4:
return 1;
}
return 0;
}
BYTE QueryUnknown1(int index, BYTE value)
{
switch(index)
{
case 0:
m_unknown1 = value;
return 0;
case 1:
return 0;
case 2:
return 1;
case 3:
return m_unknown1 ? 0x01 : 0x02;
case 4:
return m_unknown1 ? 0x01 : 0x00;
case 5:
return m_unknown1 ? 0x14 : 0x0a;
}
return 0;
}
BYTE QueryUnknown2(int index, BYTE value)
{
switch(index)
{
case 2:
return 2;
case 4:
return 1;
}
return 0;
}
BYTE QueryUnknown3(int index, BYTE value)
{
switch(index)
{
case 0:
m_unknown3 = value;
return 0;
case 3:
return m_unknown3 ? 0x07 : 0x04;
}
return 0;
}
BYTE ConfigVibration(int index, BYTE value)
{
switch(index)
{
case 0:
return value;
case 1:
m_pad->m_vibration = value == 1;
return value;
}
return 0xff;
}
BYTE SetDS2NativeMode(int index, BYTE value)
{
switch(index)
{
case 5:
m_pad->m_ds2native = true;
return 'Z';
}
return 0;
}
BYTE m_cmd;
BYTE UnknownCommand(int index, BYTE value)
{
// printf("Unknown command %02x (%d, %02x)\n", m_cmd, index, value);
return 0;
}
public:
XPadPlugin()
: m_pad(NULL)
, m_index(-1)
, m_cfgreaddata(false)
, m_handler(NULL)
{
m_pads.push_back(new XPad(0));
m_pads.push_back(new XPad(1));
for(int i = 0; i < countof(m_handlers); i++)
{
m_handlers[i] = &XPadPlugin::UnknownCommand;
}
m_handlers['@'] = &XPadPlugin::DS2Enabler;
m_handlers['A'] = &XPadPlugin::QueryDS2AnalogMode;
m_handlers['B'] = &XPadPlugin::ReadDataAndVibrate;
m_handlers['C'] = &XPadPlugin::ConfigMode;
m_handlers['D'] = &XPadPlugin::SetModeAndLock;
m_handlers['E'] = &XPadPlugin::QueryModelAndMode;
m_handlers['F'] = &XPadPlugin::QueryUnknown1;
m_handlers['G'] = &XPadPlugin::QueryUnknown2;
m_handlers['L'] = &XPadPlugin::QueryUnknown3;
m_handlers['M'] = &XPadPlugin::ConfigVibration;
m_handlers['O'] = &XPadPlugin::SetDS2NativeMode;
}
virtual ~XPadPlugin()
{
for(vector<XPad*>::iterator i = m_pads.begin(); i != m_pads.end(); i++)
{
delete *i;
}
m_pads.clear();
}
void StartPoll(int pad)
{
m_pad = m_pads[pad & 1];
m_index = 0;
}
BYTE Poll(BYTE value)
{
BYTE ret = 0;
switch(++m_index)
{
case 1:
m_cmd = value;
m_handler = m_handlers[value];
ret = (value == 'B' || value == 'C') ? m_pad->GetId() : 0xf3;
break;
case 2:
ASSERT(value == 0);
ret = 'Z';
break;
default:
ret = (this->*m_handler)(m_index - 3, value);
break;
}
return ret;
}
} s_padplugin;
//
static int s_nRefs = 0;
static HWND s_hWnd = NULL;
static WNDPROC s_GSWndProc = NULL;
static class CKeyEventList : protected list<KeyEvent>, protected CCritSec
{
public:
void Push(UINT32 event, UINT32 key)
{
CAutoLock cAutoLock(this);
KeyEvent e;
e.event = event;
e.key = key;
push_back(e);
}
bool Pop(KeyEvent& e)
{
CAutoLock cAutoLock(this);
if(empty()) return false;
e = front();
pop_front();
return true;
}
} s_event;
LRESULT WINAPI PADwndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_KEYDOWN:
if(lParam & 0x40000000) return TRUE;
s_event.Push(KEYPRESS, wParam);
return TRUE;
case WM_KEYUP:
s_event.Push(KEYRELEASE, wParam);
return TRUE;
case WM_DESTROY:
case WM_QUIT:
s_event.Push(KEYPRESS, VK_ESCAPE);
break;
}
return CallWindowProc(s_GSWndProc, hWnd, msg, wParam, lParam);
}
//
EXPORT_C_(UINT32) PADinit(UINT32 flags)
{
return 0;
}
EXPORT_C PADshutdown()
{
}
EXPORT_C_(UINT32) PADopen(void* pDsp)
{
XInputEnable(TRUE);
if(s_nRefs == 0)
{
if(s_ps2)
{
s_hWnd = *(HWND*)pDsp;
s_GSWndProc = (WNDPROC)SetWindowLongPtr(s_hWnd, GWLP_WNDPROC, (LPARAM)PADwndProc);
}
}
s_nRefs++;
return 0;
}
EXPORT_C PADclose()
{
s_nRefs--;
if(s_nRefs == 0)
{
if(s_ps2)
{
SetWindowLongPtr(s_hWnd, GWLP_WNDPROC, (LPARAM)s_GSWndProc);
}
}
XInputEnable(FALSE);
}
EXPORT_C_(UINT32) CALLBACK PADquery()
{
return 3;
}
EXPORT_C_(BYTE) PADstartPoll(int pad)
{
s_padplugin.StartPoll(pad - 1);
return 0xff;
}
EXPORT_C_(BYTE) PADpoll(BYTE value)
{
return s_padplugin.Poll(value);
}
EXPORT_C_(UINT32) PADreadPort(int port, PadDataS* data)
{
PADstartPoll(port + 1);
data->type = PADpoll('B') >> 4;
PADpoll(0);
data->status = PADpoll(0) | (PADpoll(0) << 8);
data->rightJoyX = data->moveX = PADpoll(0);
data->rightJoyY = data->moveY = PADpoll(0);
data->leftJoyX = PADpoll(0);
data->leftJoyY = PADpoll(0);
return 0;
}
EXPORT_C_(UINT32) PADreadPort1(PadDataS* ppds)
{
return PADreadPort(0, ppds);
}
EXPORT_C_(UINT32) PADreadPort2(PadDataS* ppds)
{
return PADreadPort(1, ppds);
}
EXPORT_C_(KeyEvent*) PADkeyEvent()
{
static KeyEvent e;
return s_event.Pop(e) ? &e : NULL;
}
EXPORT_C PADconfigure()
{
}
EXPORT_C PADabout()
{
}
EXPORT_C_(UINT32) PADtest()
{
return 0;
}