mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-14 21:58:43 +00:00
352 lines
10 KiB
C++
352 lines
10 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
#include "stdmisc.h"
|
|
|
|
#include "nel/misc/di_event_emitter.h"
|
|
#include "nel/misc/events.h"
|
|
#include "nel/misc/win_event_emitter.h"
|
|
//
|
|
#include "di_mouse_device.h"
|
|
#include "di_keyboard_device.h"
|
|
#include "di_game_device.h"
|
|
|
|
|
|
#ifdef NL_OS_WINDOWS
|
|
|
|
|
|
|
|
namespace NLMISC
|
|
{
|
|
|
|
static const char DirectInputLibName[] = "dinput8.dll";
|
|
|
|
/////////////////////////////////
|
|
// CDIEventEmitter statics //
|
|
/////////////////////////////////
|
|
|
|
HMODULE CDIEventEmitter::_DirectInputLibHandle = 0;
|
|
CDIEventEmitter::TPDirectInput8Create CDIEventEmitter::_PDirectInput8Create = NULL;
|
|
uint CDIEventEmitter::_NumCreatedInterfaces = 0;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////
|
|
// CDIEventEmitter implementation //
|
|
////////////////////////////////////
|
|
|
|
|
|
//======================================================
|
|
CDIEventEmitter::CDIEventEmitter(HWND hwnd, CWinEventEmitter *we)
|
|
:
|
|
_hWnd(hwnd),
|
|
_WE(we),
|
|
_DInput8(NULL),
|
|
_Keyboard(NULL),
|
|
_Mouse(NULL),
|
|
_ButtonsFlags(noButton)
|
|
{
|
|
}
|
|
//======================================================
|
|
CDIEventEmitter::~CDIEventEmitter()
|
|
{
|
|
releaseMouse();
|
|
releaseKeyboard();
|
|
// release all devices
|
|
while (_DeviceServer.getNumDevices() != 0)
|
|
{
|
|
IInputDevice *dev = _DeviceServer.getDevice(0);
|
|
_DeviceServer.removeDevice(dev);
|
|
delete dev;
|
|
}
|
|
if (_DInput8) _DInput8->Release();
|
|
-- _NumCreatedInterfaces;
|
|
if (_NumCreatedInterfaces == 0) unloadLib();
|
|
}
|
|
|
|
//======================================================
|
|
CDIEventEmitter *CDIEventEmitter::create(HINSTANCE hinst, HWND hwnd, CWinEventEmitter *we) throw(EDirectInput)
|
|
{
|
|
if (!loadLib()) throw EDirectInputLibNotFound();
|
|
std::auto_ptr<CDIEventEmitter> dxee(new CDIEventEmitter(hwnd, we));
|
|
HRESULT result = _PDirectInput8Create(hinst,
|
|
DIRECTINPUT_VERSION,
|
|
IID_IDirectInput8A,
|
|
(void **) &dxee->_DInput8,
|
|
NULL);
|
|
if (result != DI_OK) throw EDirectInputInitFailed();
|
|
|
|
// ok, everything's fine, commit changes
|
|
++_NumCreatedInterfaces;
|
|
return dxee.release();
|
|
}
|
|
|
|
|
|
//======================================================
|
|
bool CDIEventEmitter::loadLib()
|
|
{
|
|
if (_DirectInputLibHandle != 0) return true; // library already loaded ?
|
|
HMODULE handle = ::LoadLibrary(DirectInputLibName);
|
|
if (handle == 0) return false;
|
|
// try to get the creation function
|
|
TPDirectInput8Create cf = (TPDirectInput8Create) ::GetProcAddress(handle, "DirectInput8Create");
|
|
if (!cf)
|
|
{
|
|
::FreeLibrary(handle);
|
|
return false;
|
|
}
|
|
// commit changes
|
|
_DirectInputLibHandle = handle;
|
|
_PDirectInput8Create = cf;
|
|
return true;
|
|
}
|
|
|
|
|
|
//======================================================
|
|
void CDIEventEmitter::unloadLib()
|
|
{
|
|
nlassert(_DirectInputLibHandle != 0);
|
|
::FreeLibrary(_DirectInputLibHandle);
|
|
_DirectInputLibHandle = 0;
|
|
_PDirectInput8Create = NULL;
|
|
}
|
|
|
|
//======================================================
|
|
void CDIEventEmitter::poll(CEventServer *server)
|
|
{
|
|
if (_WE) _ButtonsFlags = _WE->buildFlags();
|
|
if (!server)
|
|
server=&_InternalServer;
|
|
_DeviceServer.poll(server);
|
|
}
|
|
|
|
|
|
//======================================================
|
|
TMouseButton CDIEventEmitter::buildButtonsFlags() const
|
|
{
|
|
uint mouseFlags;
|
|
uint keybFlags;
|
|
//
|
|
if (_Mouse) // takes the flags from the direct input mouse
|
|
{
|
|
mouseFlags = (_Mouse->getButton(0) ? leftButton : 0)
|
|
| (_Mouse->getButton(1) ? rightButton : 0)
|
|
| (_Mouse->getButton(2) ? middleButton : 0);
|
|
}
|
|
else // takes the flags from the system mouse
|
|
{
|
|
mouseFlags = _ButtonsFlags & (leftButton | rightButton | middleButton);
|
|
}
|
|
//
|
|
if (_Keyboard) // takes the flags from the direct input keyboard
|
|
{
|
|
keybFlags = (_Keyboard->ShiftPressed ? shiftButton : 0)
|
|
| (_Keyboard->AltPressed ? altButton : 0)
|
|
| (_Keyboard->CtrlPressed ? ctrlButton : 0);
|
|
}
|
|
else // takes the flags from the system keyboard
|
|
{
|
|
keybFlags = _ButtonsFlags & (shiftButton | altButton | ctrlButton);
|
|
}
|
|
return (TMouseButton) (keybFlags | mouseFlags);
|
|
}
|
|
|
|
//======================================================
|
|
IMouseDevice *CDIEventEmitter::getMouseDevice(bool hardware) throw(EInputDevice)
|
|
{
|
|
if (_Mouse) return _Mouse; // already created ?
|
|
try
|
|
{
|
|
// Create a mouse
|
|
std::auto_ptr<CDIMouse> mouse(CDIMouse::createMouseDevice(_DInput8, _hWnd, this, hardware, _WE));
|
|
// register to the device server
|
|
_DeviceServer.registerDevice(mouse.get());
|
|
_Mouse = mouse.get();
|
|
return mouse.release();
|
|
}
|
|
catch (...)
|
|
{
|
|
if (_WE) _WE->enableMouseEvents(true);
|
|
throw;
|
|
}
|
|
}
|
|
|
|
//======================================================
|
|
void CDIEventEmitter::releaseMouse()
|
|
{
|
|
if (!_Mouse) return;
|
|
// reupdate the system keyboard flags
|
|
if (_WE)
|
|
{
|
|
_WE->resetButtonFlagState();
|
|
_WE->enableMouseEvents(true);
|
|
}
|
|
// remove the device
|
|
_DeviceServer.removeDevice(_Mouse);
|
|
delete _Mouse;
|
|
_Mouse = NULL;
|
|
}
|
|
|
|
//===========================================================================
|
|
IKeyboardDevice *CDIEventEmitter::getKeyboardDevice() throw(EInputDevice)
|
|
{
|
|
if (_Keyboard) return _Keyboard;
|
|
try
|
|
{
|
|
// create a keyboard
|
|
std::auto_ptr<CDIKeyboard> keyboard(CDIKeyboard::createKeyboardDevice(_DInput8, _hWnd, this, _WE));
|
|
// register to the device server
|
|
_DeviceServer.registerDevice(keyboard.get());
|
|
_Keyboard = keyboard.get();
|
|
return keyboard.release();
|
|
}
|
|
catch (...)
|
|
{
|
|
if (_WE) _WE->enableKeyboardEvents(true);
|
|
throw;
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
void CDIEventEmitter::releaseKeyboard()
|
|
{
|
|
if (!_Keyboard) return;
|
|
// reupdate the system keyboard flags
|
|
if (_WE)
|
|
{
|
|
_WE->resetButtonFlagState();
|
|
_WE->enableKeyboardEvents(true);
|
|
}
|
|
//
|
|
_DeviceServer.removeDevice(_Keyboard);
|
|
delete _Keyboard;
|
|
_Keyboard = NULL;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
void CDIEventEmitter::submitEvents(CEventServer &server, bool allWindows)
|
|
{
|
|
_InternalServer.setServer(&server);
|
|
_InternalServer.pump(allWindows);
|
|
}
|
|
|
|
//==========================================================================
|
|
void CDIEventEmitter::emulateMouseRawMode(bool enable)
|
|
{
|
|
nlerror("no raw mode emulation on windows, the CDIMouse has a real raw mode");
|
|
}
|
|
|
|
//==========================================================================
|
|
/// Tool fct to retrieve the game devices.
|
|
static BOOL CALLBACK DIEnumDevicesDescCallback
|
|
(
|
|
LPCDIDEVICEINSTANCE lpddi,
|
|
LPVOID pvRef
|
|
)
|
|
{
|
|
CGameDeviceDesc desc;
|
|
desc.InstanceName = lpddi->tszInstanceName;
|
|
desc.ProductName = lpddi->tszProductName;
|
|
switch (lpddi->wUsage & 0xff)
|
|
{
|
|
case DI8DEVTYPE_JOYSTICK: desc.DevType = CGameDeviceDesc::Joystick; break;
|
|
case DI8DEVTYPE_GAMEPAD: desc.DevType = CGameDeviceDesc::GamePad; break;
|
|
default: desc.DevType = CGameDeviceDesc::DontKnow; break;
|
|
}
|
|
TDeviceDescVect *dv = (TDeviceDescVect *) pvRef;
|
|
dv->push_back(desc);
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
/// Tool fct to retrieve the game devices GUID
|
|
static BOOL CALLBACK DIEnumDevicesGUIDCallback
|
|
(
|
|
LPCDIDEVICEINSTANCE lpddi,
|
|
LPVOID pvRef
|
|
)
|
|
{
|
|
std::vector<GUID> *gv = (std::vector<GUID> *) pvRef;
|
|
gv->push_back(lpddi->guidInstance);
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
void CDIEventEmitter::enumerateGameDevice(TDeviceDescVect &descs) throw(EInputDevice)
|
|
{
|
|
uint k;
|
|
nlassert(_DInput8);
|
|
descs.clear();
|
|
// enum all devices of interest
|
|
_DInput8->EnumDevices(DI8DEVCLASS_GAMECTRL, &DIEnumDevicesDescCallback, (LPVOID) &descs, DIEDFL_ALLDEVICES);
|
|
for (k = 0; k < descs.size(); ++k) descs[k].Connected = false;
|
|
// enum all connected devices
|
|
static TDeviceDescVect connecteds;
|
|
_DInput8->EnumDevices(DI8DEVCLASS_GAMECTRL, &DIEnumDevicesDescCallback, (LPVOID) &connecteds, DIEDFL_ATTACHEDONLY);
|
|
// see which devices are connected
|
|
for (k = 0; k < connecteds.size(); ++k)
|
|
{
|
|
TDeviceDescVect::iterator it = std::find(descs.begin(), descs.end(), connecteds[k]);
|
|
it->Connected = true;
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
IGameDevice *CDIEventEmitter::createGameDevice(const std::string &instanceName) throw(EInputDevice)
|
|
{
|
|
static TDeviceDescVect deviceDescs;
|
|
static std::vector<GUID> deviceGUID;
|
|
|
|
nlassert(_DInput8);
|
|
enumerateGameDevice(deviceDescs);
|
|
// get the ID for each device
|
|
deviceGUID.clear();
|
|
HRESULT r = _DInput8->EnumDevices(DI8DEVCLASS_GAMECTRL, &DIEnumDevicesGUIDCallback, (LPVOID) &deviceGUID, DIEDFL_ALLDEVICES);
|
|
nlassert(r == DI_OK);
|
|
nlassert(deviceDescs.size() == deviceGUID.size());
|
|
|
|
// search the device that match the instance name
|
|
for (uint k = 0; k < deviceDescs.size(); ++k)
|
|
{
|
|
if (deviceDescs[k].InstanceName == instanceName)
|
|
{
|
|
std::auto_ptr<CDIGameDevice> gd(CDIGameDevice::createGameDevice(_DInput8, _hWnd, this, deviceDescs[k], deviceGUID[k]));
|
|
// insert in the device server
|
|
_DeviceServer.registerDevice(gd.get());
|
|
return gd.release();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
//==========================================================================
|
|
void CDIEventEmitter::releaseGameDevice(IGameDevice *gd)
|
|
{
|
|
nlassert(gd);
|
|
CDIGameDevice *digd = safe_cast<CDIGameDevice *>(gd);
|
|
_DeviceServer.removeDevice(digd);
|
|
delete gd;
|
|
}
|
|
|
|
|
|
} // NLMISC
|
|
|
|
#endif // NL_OS_WINDOWS
|