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source: code/branches/steering/src/external/ois/win32/Win32JoyStick.cpp @ 8672

Last change on this file since 8672 was 5781, checked in by rgrieder, 16 years ago
Reverted trunk again. We might want to find a way to delete these revisions again (x3n's changes are still available as diff in the commit mails).
Property svn:eol-style set to `native`
File size: 13.0 KB

Line
1	/*
2	The zlib/libpng License
3
4	Copyright (c) 2005-2007 Phillip Castaneda (pjcast -- www.wreckedgames.com)
5
6	This software is provided 'as-is', without any express or implied warranty. In no event will
7	the authors be held liable for any damages arising from the use of this software.
8
9	Permission is granted to anyone to use this software for any purpose, including commercial
10	applications, and to alter it and redistribute it freely, subject to the following
11	restrictions:
12
13	1. The origin of this software must not be misrepresented; you must not claim that
14	you wrote the original software. If you use this software in a product,
15	an acknowledgment in the product documentation would be appreciated but is
16	not required.
17
18	2. Altered source versions must be plainly marked as such, and must not be
19	misrepresented as being the original software.
20
21	3. This notice may not be removed or altered from any source distribution.
22	*/
23	#include "Win32/Win32JoyStick.h"
24	#include "Win32/Win32InputManager.h"
25	#include "Win32/Win32ForceFeedback.h"
26	#include "OISEvents.h"
27	#include "OISException.h"
28
29	#include <cassert>
30
31	//DX Only defines macros for the JOYSTICK not JOYSTICK2, so fix it
32	#undef DIJOFS_BUTTON
33	#undef DIJOFS_POV
34
35	#define DIJOFS_BUTTON(n) (FIELD_OFFSET(DIJOYSTATE2, rgbButtons) + (n))
36	#define DIJOFS_POV(n) (FIELD_OFFSET(DIJOYSTATE2, rgdwPOV)+(n)*sizeof(DWORD))
37	#define DIJOFS_SLIDER0(n) (FIELD_OFFSET(DIJOYSTATE2, rglSlider)+(n) * sizeof(LONG))
38	#define DIJOFS_SLIDER1(n) (FIELD_OFFSET(DIJOYSTATE2, rglVSlider)+(n) * sizeof(LONG))
39	#define DIJOFS_SLIDER2(n) (FIELD_OFFSET(DIJOYSTATE2, rglASlider)+(n) * sizeof(LONG))
40	#define DIJOFS_SLIDER3(n) (FIELD_OFFSET(DIJOYSTATE2, rglFSlider)+(n) * sizeof(LONG))
41
42	using namespace OIS;
43
44	//--------------------------------------------------------------------------------------------------//
45	Win32JoyStick::Win32JoyStick( InputManager* creator, IDirectInput8* pDI,
46	bool buffered, DWORD coopSettings, const JoyStickInfo &info )
47	: JoyStick(info.vendor, buffered, info.devId, creator)
48	{
49	mDirectInput = pDI;
50	coopSetting = coopSettings;
51	mJoyStick = 0;
52
53	deviceGuid = info.deviceID;
54
55	ff_device = 0;
56	}
57
58	//--------------------------------------------------------------------------------------------------//
59	Win32JoyStick::~Win32JoyStick()
60	{
61	delete ff_device;
62
63	if(mJoyStick)
64	{
65	mJoyStick->Unacquire();
66	mJoyStick->Release();
67	mJoyStick = 0;
68	}
69
70	//Return joystick to pool
71	JoyStickInfo js;
72	js.deviceID = deviceGuid;
73	js.devId = mDevID;
74	js.vendor = mVendor;
75	static_cast<Win32InputManager*>(mCreator)->_returnJoyStick(js);
76	}
77
78	//--------------------------------------------------------------------------------------------------//
79	void Win32JoyStick::_initialize()
80	{
81	//Clear old state
82	mState.mAxes.clear();
83
84	if (ff_device)
85	{
86	delete ff_device;
87	ff_device = 0;
88	}
89
90	// Create direct input joystick device.
91	if(FAILED(mDirectInput->CreateDevice(deviceGuid, &mJoyStick, NULL)))
92	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> Could not initialize joy device!");
93
94	// Set DIJoystick2 data format.
95	if(FAILED(mJoyStick->SetDataFormat(&c_dfDIJoystick2)))
96	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> data format error!");
97
98	// Set cooperative level as specified when creating input manager.
99	HWND hwin = ((Win32InputManager*)mCreator)->getWindowHandle();
100	if(FAILED(mJoyStick->SetCooperativeLevel( hwin, coopSetting)))
101	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> failed to set cooperation level!");
102
103	// Set buffer size.
104	DIPROPDWORD dipdw;
105	dipdw.diph.dwSize = sizeof(DIPROPDWORD);
106	dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
107	dipdw.diph.dwObj = 0;
108	dipdw.diph.dwHow = DIPH_DEVICE;
109	dipdw.dwData = JOYSTICK_DX_BUFFERSIZE;
110
111	if( FAILED(mJoyStick->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph)) )
112	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize >> Failed to set buffer size property" );
113
114	// Enumerate all axes/buttons/sliders/force feedback/etc before aquiring
115	_enumerate();
116
117	mState.clear();
118
119	capture();
120	}
121
122	//--------------------------------------------------------------------------------------------------//
123	void Win32JoyStick::_enumerate()
124	{
125	// Get joystick capabilities.
126	mDIJoyCaps.dwSize = sizeof(DIDEVCAPS);
127	if( FAILED(mJoyStick->GetCapabilities(&mDIJoyCaps)) )
128	OIS_EXCEPT( E_General, "Win32JoyStick::_enumerate >> Failed to get capabilities" );
129
130	// => Number of POVs
131	mPOVs = (short)mDIJoyCaps.dwPOVs;
132
133	// => Number of buttons and axes.
134	mState.mButtons.resize(mDIJoyCaps.dwButtons);
135	mState.mAxes.resize(mDIJoyCaps.dwAxes);
136
137	// Enumerate all Force Feedback effects (if any)
138	mJoyStick->EnumEffects(DIEnumEffectsCallback, this, DIEFT_ALL);
139
140	//Reset the axis mapping enumeration value
141	_AxisNumber = 0;
142
143	// Enumerate and set axis constraints (and check FF Axes)
144	mJoyStick->EnumObjects(DIEnumDeviceObjectsCallback, this, DIDFT_AXIS);
145	}
146
147	//--------------------------------------------------------------------------------------------------//
148	BOOL CALLBACK Win32JoyStick::DIEnumDeviceObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef)
149	{
150	Win32JoyStick* _this = (Win32JoyStick*)pvRef;
151
152	//Setup mappings
153	DIPROPPOINTER diptr;
154	diptr.diph.dwSize = sizeof(DIPROPPOINTER);
155	diptr.diph.dwHeaderSize = sizeof(DIPROPHEADER);
156	diptr.diph.dwHow = DIPH_BYID;
157	diptr.diph.dwObj = lpddoi->dwType;
158	//Add a magic number to recognise we set seomthing
159	diptr.uData = 0x13130000 \| _this->_AxisNumber;
160
161	//Check if axis is slider, if so, do not treat as regular axis
162	if(GUID_Slider == lpddoi->guidType)
163	{
164	++_this->mSliders;
165
166	//Decrease Axes, since this slider shows up in a different place
167	_this->mState.mAxes.pop_back();
168	}
169	else if (FAILED(_this->mJoyStick->SetProperty(DIPROP_APPDATA, &diptr.diph)))
170	{ //If for some reason we could not set needed user data, just ignore this axis
171	return DIENUM_CONTINUE;
172	}
173
174	//Increase for next time through
175	if(GUID_Slider != lpddoi->guidType)
176	_this->_AxisNumber += 1;
177
178	//Set range
179	DIPROPRANGE diprg;
180	diprg.diph.dwSize = sizeof(DIPROPRANGE);
181	diprg.diph.dwHeaderSize = sizeof(DIPROPHEADER);
182	diprg.diph.dwHow = DIPH_BYID;
183	diprg.diph.dwObj = lpddoi->dwType;
184	diprg.lMin = MIN_AXIS;
185	diprg.lMax = MAX_AXIS;
186
187	if (FAILED(_this->mJoyStick->SetProperty(DIPROP_RANGE, &diprg.diph)))
188	OIS_EXCEPT( E_General, "Win32JoyStick::_DIEnumDeviceObjectsCallback >> Failed to set min/max range property" );
189
190	//Check if FF Axes, and if so, increment counter
191	if((lpddoi->dwFlags & DIDOI_FFACTUATOR) != 0 )
192	{
193	if( _this->ff_device )
194	{
195	_this->ff_device->_addFFAxis();
196	}
197	}
198
199	//Force the flags for gain and auto-center support to true,
200	//as DInput has no API to query the device for these capabilities
201	//(the only way to know is to try them ...)
202	if( _this->ff_device )
203	{
204	_this->ff_device->_setGainSupport(true);
205	_this->ff_device->_setAutoCenterSupport(true);
206	}
207
208	return DIENUM_CONTINUE;
209	}
210
211	//--------------------------------------------------------------------------------------------------//
212	BOOL CALLBACK Win32JoyStick::DIEnumEffectsCallback(LPCDIEFFECTINFO pdei, LPVOID pvRef)
213	{
214	Win32JoyStick* _this = (Win32JoyStick*)pvRef;
215
216	//Create the FF instance only after we know there is at least one effect type
217	if( _this->ff_device == 0 )
218	_this->ff_device = new Win32ForceFeedback(_this->mJoyStick, &_this->mDIJoyCaps);
219
220	_this->ff_device->_addEffectSupport( pdei );
221
222	return DIENUM_CONTINUE;
223	}
224
225	//--------------------------------------------------------------------------------------------------//
226	void Win32JoyStick::capture()
227	{
228	DIDEVICEOBJECTDATA diBuff[JOYSTICK_DX_BUFFERSIZE];
229	DWORD entries = JOYSTICK_DX_BUFFERSIZE;
230
231	// Poll the device to read the current state
232	HRESULT hr = mJoyStick->Poll();
233	if( hr == DI_OK )
234	hr = mJoyStick->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), diBuff, &entries, 0 );
235
236	if( hr != DI_OK )
237	{
238	hr = mJoyStick->Acquire();
239	while( hr == DIERR_INPUTLOST )
240	hr = mJoyStick->Acquire();
241
242	// Poll the device to read the current state
243	mJoyStick->Poll();
244	hr = mJoyStick->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), diBuff, &entries, 0 );
245	//Perhaps the user just tabbed away
246	if( FAILED(hr) )
247	return;
248	}
249
250	bool axisMoved[24] = {false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,
251	false,false,false,false,false,false,false,false};
252	bool sliderMoved[4] = {false,false,false,false};
253
254	//Loop through all the events
255	for(unsigned int i = 0; i < entries; ++i)
256	{
257	//This may seem outof order, but is in order of the way these variables
258	//are declared in the JoyStick State 2 structure.
259	switch(diBuff[i].dwOfs)
260	{
261	//------ slider -//
262	case DIJOFS_SLIDER0(0):
263	sliderMoved[0] = true;
264	mState.mSliders[0].abX = diBuff[i].dwData;
265	break;
266	case DIJOFS_SLIDER0(1):
267	sliderMoved[0] = true;
268	mState.mSliders[0].abY = diBuff[i].dwData;
269	break;
270	//----- Max 4 POVs Next ---------------//
271	case DIJOFS_POV(0):
272	if(!_changePOV(0,diBuff[i]))
273	return;
274	break;
275	case DIJOFS_POV(1):
276	if(!_changePOV(1,diBuff[i]))
277	return;
278	break;
279	case DIJOFS_POV(2):
280	if(!_changePOV(2,diBuff[i]))
281	return;
282	break;
283	case DIJOFS_POV(3):
284	if(!_changePOV(3,diBuff[i]))
285	return;
286	break;
287	case DIJOFS_SLIDER1(0):
288	sliderMoved[1] = true;
289	mState.mSliders[1].abX = diBuff[i].dwData;
290	break;
291	case DIJOFS_SLIDER1(1):
292	sliderMoved[1] = true;
293	mState.mSliders[1].abY = diBuff[i].dwData;
294	break;
295	case DIJOFS_SLIDER2(0):
296	sliderMoved[2] = true;
297	mState.mSliders[2].abX = diBuff[i].dwData;
298	break;
299	case DIJOFS_SLIDER2(1):
300	sliderMoved[2] = true;
301	mState.mSliders[2].abY = diBuff[i].dwData;
302	break;
303	case DIJOFS_SLIDER3(0):
304	sliderMoved[3] = true;
305	mState.mSliders[3].abX = diBuff[i].dwData;
306	break;
307	case DIJOFS_SLIDER3(1):
308	sliderMoved[3] = true;
309	mState.mSliders[3].abY = diBuff[i].dwData;
310	break;
311	//-----------------------------------------//
312	default:
313	//Handle Button Events Easily using the DX Offset Macros
314	if( diBuff[i].dwOfs >= DIJOFS_BUTTON(0) && diBuff[i].dwOfs < DIJOFS_BUTTON(128) )
315	{
316	if(!_doButtonClick((diBuff[i].dwOfs - DIJOFS_BUTTON(0)), diBuff[i]))
317	return;
318	}
319	else if((short)(diBuff[i].uAppData >> 16) == 0x1313)
320	{ //If it was nothing else, might be axis enumerated earlier (determined by magic number)
321	int axis = (int)(0x0000FFFF & diBuff[i].uAppData); //Mask out the high bit
322	assert( axis >= 0 && axis < (int)mState.mAxes.size() && "Axis out of range!");
323
324	if(axis >= 0 && axis < (int)mState.mAxes.size())
325	{
326	mState.mAxes[axis].abs = diBuff[i].dwData;
327	axisMoved[axis] = true;
328	}
329	}
330
331	break;
332	} //end case
333	} //end for
334
335	//Check to see if any of the axes values have changed.. if so send events
336	if( mBuffered && mListener && entries > 0 )
337	{
338	JoyStickEvent temp(this, mState);
339
340	//Update axes
341	for( int i = 0; i < 24; ++i )
342	if( axisMoved[i] )
343	if( mListener->axisMoved( temp, i ) == false )
344	return;
345
346	//Now update sliders
347	for( int i = 0; i < 4; ++i )
348	if( sliderMoved[i] )
349	if( mListener->sliderMoved( temp, i ) == false )
350	return;
351	}
352	}
353
354	//--------------------------------------------------------------------------------------------------//
355	bool Win32JoyStick::_doButtonClick( int button, DIDEVICEOBJECTDATA& di )
356	{
357	if( di.dwData & 0x80 )
358	{
359	mState.mButtons[button] = true;
360	if( mBuffered && mListener )
361	return mListener->buttonPressed( JoyStickEvent( this, mState ), button );
362	}
363	else
364	{
365	mState.mButtons[button] = false;
366	if( mBuffered && mListener )
367	return mListener->buttonReleased( JoyStickEvent( this, mState ), button );
368	}
369
370	return true;
371	}
372
373	//--------------------------------------------------------------------------------------------------//
374	bool Win32JoyStick::_changePOV( int pov, DIDEVICEOBJECTDATA& di )
375	{
376	//Some drivers report a value of 65,535, instead of 1,
377	//for the center position
378	if(LOWORD(di.dwData) == 0xFFFF)
379	{
380	mState.mPOV[pov].direction = Pov::Centered;
381	}
382	else
383	{
384	switch(di.dwData)
385	{
386	case 0: mState.mPOV[pov].direction = Pov::North; break;
387	case 4500: mState.mPOV[pov].direction = Pov::NorthEast; break;
388	case 9000: mState.mPOV[pov].direction = Pov::East; break;
389	case 13500: mState.mPOV[pov].direction = Pov::SouthEast; break;
390	case 18000: mState.mPOV[pov].direction = Pov::South; break;
391	case 22500: mState.mPOV[pov].direction = Pov::SouthWest; break;
392	case 27000: mState.mPOV[pov].direction = Pov::West; break;
393	case 31500: mState.mPOV[pov].direction = Pov::NorthWest; break;
394	}
395	}
396
397	if( mBuffered && mListener )
398	return mListener->povMoved( JoyStickEvent( this, mState ), pov );
399
400	return true;
401	}
402
403	//--------------------------------------------------------------------------------------------------//
404	void Win32JoyStick::setBuffered(bool buffered)
405	{
406	mBuffered = buffered;
407	}
408
409	//--------------------------------------------------------------------------------------------------//
410	Interface* Win32JoyStick::queryInterface(Interface::IType type)
411	{
412	//Thought about using covariant return type here.. however,
413	//some devices may allow LED light changing, or other interface stuff
414
415	if( ff_device && type == Interface::ForceFeedback )
416	return ff_device;
417	else
418	return 0;
419	}

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