khanat-opennel-code/code/nel/src/misc/di_mouse_device.cpp
2014-06-17 21:48:25 +02:00

507 lines
14 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 "di_mouse_device.h"
#include "nel/misc/game_device_events.h"
#include "nel/misc/win_event_emitter.h"
#ifdef NL_OS_WINDOWS
#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif
#ifdef NL_COMP_MINGW
# undef FIELD_OFFSET
# define FIELD_OFFSET(t,f) offsetof(t,f)
#endif
namespace NLMISC
{
//======================================================
CDIMouse::CDIMouse() : _MessageMode(RawMode),
_MouseSpeed(1.0f),
_MouseAccel(10000),
_Mouse(NULL),
_XAcc(0),
_YAcc(0),
_XMousePos(0),
_YMousePos(0),
_LastMouseButtonClicked(-1),
_DoubleClickDelay(300),
_XFactor(1.f),
_YFactor(1.f),
OldDIXPos(0),
OldDIYPos(0),
OldDIZPos(0),
_FirstX(true),
_FirstY(true),
_SwapButton(false)
{
std::fill(_MouseButtons, _MouseButtons + MaxNumMouseButtons, false);
std::fill(_MouseAxisMode, _MouseAxisMode + NumMouseAxis, Raw);
_MouseFrame.setWH(0, 0, 640, 480);
}
//======================================================
CDIMouse::~CDIMouse()
{
if (_Mouse)
{
_Mouse->Unacquire();
_Mouse->Release();
}
}
//======================================================
void CDIMouse::setMouseMode(TAxis axis, TAxisMode axisMode)
{
nlassert(axisMode < AxisModeLast);
nlassert(axis < AxisLast);
_MouseAxisMode[axis] = axisMode;
clampMouseAxis();
}
//======================================================
CDIMouse::TAxisMode CDIMouse::getMouseMode(TAxis axis) const
{
nlassert((int)axis < (int)NumMouseAxis);
return _MouseAxisMode[axis];
}
//======================================================
void CDIMouse::setMouseSpeed(float speed)
{
nlassert(_MessageMode == NormalMode);
nlassert(speed > 0);
_MouseSpeed = speed;
}
//======================================================
void CDIMouse::setMouseAcceleration(uint accel)
{
_MouseAccel = accel;
}
//======================================================
uint CDIMouse::getMouseAcceleration() const
{
return _MouseAccel;
}
//======================================================
bool CDIMouse::setBufferSize(uint size)
{
nlassert(size > 0);
nlassert(_Mouse);
_Mouse->Unacquire();
DIPROPDWORD dipdw;
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = size;
HRESULT r = _Mouse->SetProperty( DIPROP_BUFFERSIZE, &dipdw.diph );
if (r != DI_OK) return false;
_MouseBufferSize = size;
return true;
}
//======================================================
uint CDIMouse::getBufferSize() const { return _MouseBufferSize; }
//======================================================
void CDIMouse::setMousePos(float x, float y)
{
nlassert(_MessageMode == NormalMode);
_XMousePos = (sint64) ((double) x * ((sint64) 1 << 32));
_YMousePos = (sint64) ((double) y * ((sint64) 1 << 32));
}
//======================================================
CDIMouse *CDIMouse::createMouseDevice(IDirectInput8 *di8, HWND hwnd, CDIEventEmitter *diEventEmitter, bool hardware, CWinEventEmitter *we) throw(EDirectInput)
{
std::auto_ptr<CDIMouse> mouse(new CDIMouse);
mouse->_DIEventEmitter = diEventEmitter;
mouse->_Hardware = hardware;
HRESULT result = di8->CreateDevice(GUID_SysMouse, &(mouse->_Mouse), NULL);
if (result != DI_OK) throw EDirectInputNoMouse();
result = mouse->_Mouse->SetCooperativeLevel(hwnd, DISCL_FOREGROUND | (!hardware ? DISCL_EXCLUSIVE:DISCL_NONEXCLUSIVE));
if (result != DI_OK) throw EDirectInputCooperativeLevelFailed();
mouse->_Mouse->SetDataFormat(&c_dfDIMouse2);
mouse->setBufferSize(64);
mouse->_WE = we;
mouse->setDoubleClickDelay(::GetDoubleClickTime());
/** we want an absolute mouse mode, so that, if the event buffer get full, we can retrieve the right position
*/
DIPROPDWORD prop;
prop.diph.dwSize = sizeof(DIPROPDWORD);
prop.diph.dwHeaderSize = sizeof(DIPROPHEADER);
prop.diph.dwHow = DIPH_DEVICE;
prop.diph.dwObj = 0;
prop.dwData = DIPROPAXISMODE_ABS;
HRESULT r = mouse->_Mouse->SetProperty(DIPROP_AXISMODE, &prop.diph);
nlassert(r == DI_OK); // should always succeed...
//
mouse->_Mouse->Acquire();
mouse->_hWnd = hwnd;
// Enable win32 mouse message only if hardware mouse in normal mode
if (mouse->_WE)
mouse->_WE->enableMouseEvents(mouse->_Hardware && (mouse->_MessageMode == IMouseDevice::NormalMode));
mouse->_SwapButton = GetSystemMetrics(SM_SWAPBUTTON) != 0;
return mouse.release();
}
//======================================================
float CDIMouse::getMouseSpeed() const
{
nlassert(_MessageMode == NormalMode);
return _MouseSpeed;
}
//======================================================
const CRect &CDIMouse::getMouseFrame() const
{
nlassert(_MessageMode == NormalMode);
return _MouseFrame;
}
//======================================================
uint CDIMouse::getDoubleClickDelay() const { return _DoubleClickDelay; }
//======================================================
inline void CDIMouse::clampMouseAxis()
{
if (_MouseAxisMode[XAxis] == Clamped) clamp(_XMousePos, (sint64) _MouseFrame.X << 32, (sint64) (_MouseFrame.X + _MouseFrame.Width - 1) << 32);
if (_MouseAxisMode[YAxis] == Clamped) clamp(_YMousePos, (sint64) _MouseFrame.Y << 32, (sint64) (_MouseFrame.X + _MouseFrame.Height - 1) << 32);
}
//======================================================
void CDIMouse::poll(CInputDeviceServer *dev)
{
nlassert(_Mouse);
nlassert(_MouseBufferSize > 0);
static std::vector<DIDEVICEOBJECTDATA> datas;
datas.resize(_MouseBufferSize);
DWORD numElements = _MouseBufferSize;
HRESULT result = _Mouse->GetDeviceData(sizeof(DIDEVICEOBJECTDATA), &datas[0], &numElements, 0);
if (result == DIERR_NOTACQUIRED || result == DIERR_INPUTLOST)
{
result = _Mouse->Acquire();
HRESULT result = _Mouse->GetDeviceData(sizeof(DIDEVICEOBJECTDATA), &datas[0], &numElements, 0);
if (result != DI_OK) return;
}
else if (result != DI_OK) return;
if (::IsWindowEnabled(_hWnd) && ::IsWindowVisible(_hWnd))
{
for(uint k = 0; k < numElements; ++k)
{
CDIEvent *die = new CDIEvent;
die->Emitter = this;
die->Datas = datas[k];
dev->submitEvent(die);
}
}
}
//======================================================================
TMouseButton CDIMouse::buildMouseButtonFlags() const
{
if (_SwapButton)
return (TMouseButton) (
_DIEventEmitter->buildKeyboardButtonFlags()
| (_MouseButtons[0] ? rightButton : 0)
| (_MouseButtons[1] ? leftButton : 0)
| (_MouseButtons[2] ? middleButton : 0)
);
else
return (TMouseButton) (
_DIEventEmitter->buildKeyboardButtonFlags()
| (_MouseButtons[0] ? leftButton : 0)
| (_MouseButtons[1] ? rightButton : 0)
| (_MouseButtons[2] ? middleButton : 0)
);
}
//======================================================
TMouseButton CDIMouse::buildMouseSingleButtonFlags(uint button)
{
static const TMouseButton mb[] = { leftButton, rightButton, middleButton };
static const TMouseButton mbswap[] = { rightButton, leftButton, middleButton };
nlassert(button < MaxNumMouseButtons);
if (_SwapButton)
return (TMouseButton) (_DIEventEmitter->buildKeyboardButtonFlags() | mbswap[button]);
else
return (TMouseButton) (_DIEventEmitter->buildKeyboardButtonFlags() | mb[button]);
}
//======================================================
void CDIMouse::onButtonClicked(uint button, CEventServer *server, uint32 date)
{
// check for double click
if (_LastMouseButtonClicked == (sint) button)
{
if (date - _MouseButtonsLastClickDate < _DoubleClickDelay)
{
CEventMouseDblClk *emdc
= new CEventMouseDblClk((float) (_XMousePos >> 32),
(float) (_YMousePos >> 32),
buildMouseSingleButtonFlags(button),
_DIEventEmitter);
server->postEvent(emdc);
_LastMouseButtonClicked = -1;
}
else
{
_MouseButtonsLastClickDate = date;
}
}
else
{
_LastMouseButtonClicked = button;
_MouseButtonsLastClickDate = date;
}
}
//======================================================
void CDIMouse::processButton(uint button, bool pressed, CEventServer *server, uint32 date)
{
updateMove(server);
float mx = (float) (_XFactor * (double) _XMousePos / ((double) 65536 * (double) 65536));
float my = (float) (_YFactor * (double) _YMousePos / ((double) 65536 * (double) 65536));
if (pressed)
{
CEventMouseDown *emd =
new CEventMouseDown(mx, my, buildMouseSingleButtonFlags(button),
_DIEventEmitter);
server->postEvent(emd);
}
else
{
CEventMouseUp *emu =
new CEventMouseUp(mx, my, buildMouseSingleButtonFlags(button), _DIEventEmitter);
server->postEvent(emu);
onButtonClicked(button, server, date);
}
_MouseButtons[button] = pressed;
}
//======================================================
void CDIMouse::submit(IInputDeviceEvent *deviceEvent, CEventServer *server)
{
if (!_Hardware || (_MessageMode == RawMode))
{
CDIEvent *die = safe_cast<CDIEvent *>(deviceEvent);
bool pressed;
switch(die->Datas.dwOfs)
{
case DIMOFS_X:
{
if (!_FirstX)
{
sint dep = (sint32) die->Datas.dwData - OldDIXPos;
// Acceleration
if (_MouseAccel)
{
sint accelFactor = abs (dep) / (sint)_MouseAccel;
dep <<= accelFactor;
}
_XAcc += dep;
}
else
{
_FirstX = false;
}
OldDIXPos = (sint32) die->Datas.dwData;
}
break;
case DIMOFS_Y:
{
if (!_FirstY)
{
sint dep = (sint32) die->Datas.dwData - OldDIYPos;
// Acceleration
if (_MouseAccel)
{
sint accelFactor = abs (dep) / (sint)_MouseAccel;
dep <<= accelFactor;
}
_YAcc -= dep;
}
else
{
_FirstY = false;
}
OldDIYPos = (sint32) die->Datas.dwData;
}
break;
case DIMOFS_Z:
{
updateMove(server);
sint dep = die->Datas.dwData - OldDIZPos;
OldDIZPos = (sint32) die->Datas.dwData;
CEventMouseWheel *emw =
new CEventMouseWheel((float) (_XMousePos >> 32),
(float) (_XMousePos >> 32),
buildMouseButtonFlags(),
dep > 0,
_DIEventEmitter);
server->postEvent(emw);
}
break;
case DIMOFS_BUTTON0: /* left button */
pressed = (die->Datas.dwData & 0x80) != 0;
processButton(0, pressed, server, die->Datas.dwTimeStamp);
break;
case DIMOFS_BUTTON1: /* right button */
pressed = (die->Datas.dwData & 0x80) != 0;
processButton(1, pressed, server, die->Datas.dwTimeStamp);
break;
case DIMOFS_BUTTON2: /* middle button */
pressed = (die->Datas.dwData & 0x80) != 0;
processButton(2, pressed, server, die->Datas.dwTimeStamp);
break;
default:
return;
break;
}
}
}
//======================================================
void CDIMouse::updateMove(CEventServer *server)
{
if (_XAcc != 0 || _YAcc != 0)
{
if (_MessageMode == NormalMode)
{
_XMousePos += (sint64) ((double) _MouseSpeed * (sint64) _XAcc * ((sint64) 1 << 32));
_YMousePos += (sint64) ((double) _MouseSpeed * (sint64) _YAcc * ((sint64) 1 << 32));
clampMouseAxis();
CEventMouseMove *emm = new CEventMouseMove((float) (_XFactor * (double) _XMousePos / ((double) 65536 * (double) 65536)), (float) (_YFactor * (double) _YMousePos / ((double) 65536 * (double) 65536)), buildMouseButtonFlags(), _DIEventEmitter);
server->postEvent(emm);
}
else
{
CGDMouseMove *emm = new CGDMouseMove(_DIEventEmitter, this, _XAcc, _YAcc);
server->postEvent(emm);
}
_XAcc = _YAcc = 0;
}
}
//======================================================
void CDIMouse::convertStdMouseMoveInMickeys(float &dx, float &dy) const
{
// get in same scale as _XAcc and _YAcc
double xacc= ((double)dx/_XFactor) / _MouseSpeed;
double yacc= ((double)dy/_YFactor) / _MouseSpeed;
dx= float(xacc);
dy =float(yacc);
}
//======================================================
void CDIMouse::transitionOccured(CEventServer *server, const IInputDeviceEvent *)
{
updateMove(server);
}
//======================================================
void CDIMouse::setButton(uint button, bool pushed)
{
nlassert(button < MaxNumMouseButtons);
_MouseButtons[button] = pushed;
}
//======================================================
bool CDIMouse::getButton(uint button) const
{
nlassert(button < MaxNumMouseButtons);
return _MouseButtons[button];
}
//======================================================
void CDIMouse::setDoubleClickDelay(uint ms)
{
nlassert(ms > 0);
_DoubleClickDelay = ms;
}
//======================================================
void CDIMouse::setMouseFrame(const CRect &rect)
{
nlassert(_MessageMode == NormalMode);
_MouseFrame = rect;
}
//======================================================
void CDIMouse::setMessagesMode(TMessageMode mode)
{
nlassert(mode < MessageModeLast);
_MessageMode = mode;
_FirstX = _FirstY = true;
// Enable win32 mouse message only if hardware mouse in normal mode
if (_WE)
_WE->enableMouseEvents(_Hardware && (_MessageMode == NormalMode));
}
} // NLMISC
#endif // NL_OS_WINDOWS