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source: code/trunk/src/ois/win32/Win32JoyStick.cpp @ 1219

Last change on this file since 1219 was 1219, checked in by rgrieder, 16 years ago
merged input branch back to trunk. Not yet tested on tardis
File size: 12.7 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	delete ff_device;
85	ff_device = 0;
86
87	DIPROPDWORD dipdw;
88
89	dipdw.diph.dwSize = sizeof(DIPROPDWORD);
90	dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
91	dipdw.diph.dwObj = 0;
92	dipdw.diph.dwHow = DIPH_DEVICE;
93	dipdw.dwData = JOYSTICK_DX_BUFFERSIZE;
94
95	if(FAILED(mDirectInput->CreateDevice(deviceGuid, &mJoyStick, NULL)))
96	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> Could not initialize joy device!");
97
98	if(FAILED(mJoyStick->SetDataFormat(&c_dfDIJoystick2)))
99	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> data format error!");
100
101	HWND hwin = ((Win32InputManager*)mCreator)->getWindowHandle();
102
103	if(FAILED(mJoyStick->SetCooperativeLevel( hwin, coopSetting)))
104	OIS_EXCEPT( E_General, "Win32JoyStick::_initialize() >> failed to set cooperation level!");
105
106	if( FAILED(mJoyStick->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph)) )
107	OIS_EXCEPT( E_General, "Win32Mouse::Win32Mouse >> Failed to set buffer size property" );
108
109	//Enumerate all axes/buttons/sliders/etc before aquiring
110	_enumerate();
111
112	mState.clear();
113
114	capture();
115	}
116
117	//--------------------------------------------------------------------------------------------------//
118	void Win32JoyStick::_enumerate()
119	{
120	//We can check force feedback here too
121	DIDEVCAPS DIJoyCaps;
122	DIJoyCaps.dwSize = sizeof(DIDEVCAPS);
123	mJoyStick->GetCapabilities(&DIJoyCaps);
124
125	mPOVs = (short)DIJoyCaps.dwPOVs;
126
127	mState.mButtons.resize(DIJoyCaps.dwButtons);
128	mState.mAxes.resize(DIJoyCaps.dwAxes);
129
130	//Reset the axis mapping enumeration value
131	_AxisNumber = 0;
132
133	//Enumerate Force Feedback (if any)
134	mJoyStick->EnumEffects(DIEnumEffectsCallback, this, DIEFT_ALL);
135
136	//Enumerate and set axis constraints (and check FF Axes)
137	mJoyStick->EnumObjects(DIEnumDeviceObjectsCallback, this, DIDFT_AXIS);
138	}
139
140	//--------------------------------------------------------------------------------------------------//
141	BOOL CALLBACK Win32JoyStick::DIEnumDeviceObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef)
142	{
143	Win32JoyStick* _this = (Win32JoyStick*)pvRef;
144
145	//Setup mappings
146	DIPROPPOINTER diptr;
147	diptr.diph.dwSize = sizeof(DIPROPPOINTER);
148	diptr.diph.dwHeaderSize = sizeof(DIPROPHEADER);
149	diptr.diph.dwHow = DIPH_BYID;
150	diptr.diph.dwObj = lpddoi->dwType;
151	//Add the high bit in so that an axis value of zero does not mean a null userdata
152	diptr.uData = 0x80000000 \| _this->_AxisNumber;
153
154	//Check if axis is slider, if so, do not treat as regular axis
155	if(GUID_Slider == lpddoi->guidType)
156	{
157	++_this->mSliders;
158
159	//Decrease Axes, since this slider shows up in a different place
160	_this->mState.mAxes.pop_back();
161	}
162	else if (FAILED(_this->mJoyStick->SetProperty(DIPROP_APPDATA, &diptr.diph)))
163	{ //If for some reason we could not set needed user data, just ignore this axis
164	return DIENUM_CONTINUE;
165	}
166
167	//Increase for next time through
168	_this->_AxisNumber += 1;
169
170	//Set range
171	DIPROPRANGE diprg;
172	diprg.diph.dwSize = sizeof(DIPROPRANGE);
173	diprg.diph.dwHeaderSize = sizeof(DIPROPHEADER);
174	diprg.diph.dwHow = DIPH_BYID;
175	diprg.diph.dwObj = lpddoi->dwType;
176	diprg.lMin = MIN_AXIS;
177	diprg.lMax = MAX_AXIS;
178
179	if (FAILED(_this->mJoyStick->SetProperty(DIPROP_RANGE, &diprg.diph)))
180	OIS_EXCEPT( E_General, "Win32JoyStick::_DIEnumDeviceObjectsCallback >> Failed to set min/max range property" );
181
182	//Check if FF Axes
183	if((lpddoi->dwFlags & DIDOI_FFACTUATOR) != 0 )
184	{
185	if( _this->ff_device )
186	{
187	//todo - increment force feedback axis count
188	}
189	}
190
191	return DIENUM_CONTINUE;
192	}
193
194	//--------------------------------------------------------------------------------------------------//
195	BOOL CALLBACK Win32JoyStick::DIEnumEffectsCallback(LPCDIEFFECTINFO pdei, LPVOID pvRef)
196	{
197	Win32JoyStick* _this = (Win32JoyStick*)pvRef;
198
199	//Create the FF class after we know there is at least one effect type
200	if( _this->ff_device == 0 )
201	_this->ff_device = new Win32ForceFeedback(_this->mJoyStick);
202
203	_this->ff_device->_addEffectSupport( pdei );
204
205	return DIENUM_CONTINUE;
206	}
207
208	//--------------------------------------------------------------------------------------------------//
209	void Win32JoyStick::capture()
210	{
211	DIDEVICEOBJECTDATA diBuff[JOYSTICK_DX_BUFFERSIZE];
212	DWORD entries = JOYSTICK_DX_BUFFERSIZE;
213
214	// Poll the device to read the current state
215	HRESULT hr = mJoyStick->Poll();
216	if( hr == DI_OK )
217	hr = mJoyStick->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), diBuff, &entries, 0 );
218
219	if( hr != DI_OK )
220	{
221	hr = mJoyStick->Acquire();
222	while( hr == DIERR_INPUTLOST )
223	hr = mJoyStick->Acquire();
224
225	// Poll the device to read the current state
226	mJoyStick->Poll();
227	hr = mJoyStick->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), diBuff, &entries, 0 );
228	//Perhaps the user just tabbed away
229	if( FAILED(hr) )
230	return;
231	}
232
233	bool axisMoved[24] = {false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,
234	false,false,false,false,false,false,false,false};
235	bool sliderMoved[4] = {false,false,false,false};
236
237	//Loop through all the events
238	for(unsigned int i = 0; i < entries; ++i)
239	{
240	//First check to see if event entry is a Axis we enumerated earlier
241	if( diBuff[i].uAppData != 0xFFFFFFFF && diBuff[i].uAppData > 0 )
242	{
243	int axis = (int)(0x7FFFFFFF & diBuff[i].uAppData); //Mask out the high bit
244	assert( axis >= 0 && axis < (int)mState.mAxes.size() && "Axis out of range!");
245	mState.mAxes[axis].abs = diBuff[i].dwData;
246	axisMoved[axis] = true;
247	}
248	else
249	{
250	//This may seem outof order, but is in order of the way these variables
251	//are declared in the JoyStick State 2 structure.
252	switch(diBuff[i].dwOfs)
253	{
254	//------ slider -//
255	case DIJOFS_SLIDER0(0):
256	sliderMoved[0] = true;
257	mState.mSliders[0].abX = diBuff[i].dwData;
258	break;
259	case DIJOFS_SLIDER0(1):
260	sliderMoved[0] = true;
261	mState.mSliders[0].abY = diBuff[i].dwData;
262	break;
263	//----- Max 4 POVs Next ---------------//
264	case DIJOFS_POV(0):
265	if(!_changePOV(0,diBuff[i]))
266	return;
267	break;
268	case DIJOFS_POV(1):
269	if(!_changePOV(1,diBuff[i]))
270	return;
271	break;
272	case DIJOFS_POV(2):
273	if(!_changePOV(2,diBuff[i]))
274	return;
275	break;
276	case DIJOFS_POV(3):
277	if(!_changePOV(3,diBuff[i]))
278	return;
279	break;
280	case DIJOFS_SLIDER1(0):
281	sliderMoved[1] = true;
282	mState.mSliders[1].abX = diBuff[i].dwData;
283	break;
284	case DIJOFS_SLIDER1(1):
285	sliderMoved[1] = true;
286	mState.mSliders[1].abY = diBuff[i].dwData;
287	break;
288	case DIJOFS_SLIDER2(0):
289	sliderMoved[2] = true;
290	mState.mSliders[2].abX = diBuff[i].dwData;
291	break;
292	case DIJOFS_SLIDER2(1):
293	sliderMoved[2] = true;
294	mState.mSliders[2].abY = diBuff[i].dwData;
295	break;
296	case DIJOFS_SLIDER3(0):
297	sliderMoved[3] = true;
298	mState.mSliders[3].abX = diBuff[i].dwData;
299	break;
300	case DIJOFS_SLIDER3(1):
301	sliderMoved[3] = true;
302	mState.mSliders[3].abY = diBuff[i].dwData;
303	break;
304	//-----------------------------------------//
305	default:
306	//Handle Button Events Easily using the DX Offset Macros
307	if( diBuff[i].dwOfs >= DIJOFS_BUTTON(0) && diBuff[i].dwOfs < DIJOFS_BUTTON(128) )
308	{
309	if(!_doButtonClick((diBuff[i].dwOfs - DIJOFS_BUTTON(0)), diBuff[i]))
310	return;
311	}
312	break;
313	} //end case
314	} //End else
315	} //end for
316
317	//Check to see if any of the axes values have changed.. if so send events
318	if( mBuffered && mListener && entries > 0 )
319	{
320	JoyStickEvent temp(this, mState);
321
322	//Update axes
323	for( int i = 0; i < 24; ++i )
324	if( axisMoved[i] )
325	if( mListener->axisMoved( temp, i ) == false )
326	return;
327
328	//Now update sliders
329	for( int i = 0; i < 4; ++i )
330	if( sliderMoved[i] )
331	if( mListener->sliderMoved( temp, i ) == false )
332	return;
333	}
334	}
335
336	//--------------------------------------------------------------------------------------------------//
337	bool Win32JoyStick::_doButtonClick( int button, DIDEVICEOBJECTDATA& di )
338	{
339	if( di.dwData & 0x80 )
340	{
341	mState.mButtons[button] = true;
342	if( mBuffered && mListener )
343	return mListener->buttonPressed( JoyStickEvent( this, mState ), button );
344	}
345	else
346	{
347	mState.mButtons[button] = false;
348	if( mBuffered && mListener )
349	return mListener->buttonReleased( JoyStickEvent( this, mState ), button );
350	}
351
352	return true;
353	}
354
355	//--------------------------------------------------------------------------------------------------//
356	bool Win32JoyStick::_changePOV( int pov, DIDEVICEOBJECTDATA& di )
357	{
358	//Some drivers report a value of 65,535, instead of 1,
359	//for the center position
360	if(LOWORD(di.dwData) == 0xFFFF)
361	{
362	mState.mPOV[pov].direction = Pov::Centered;
363	}
364	else
365	{
366	switch(di.dwData)
367	{
368	case 0: mState.mPOV[pov].direction = Pov::North; break;
369	case 4500: mState.mPOV[pov].direction = Pov::NorthEast; break;
370	case 9000: mState.mPOV[pov].direction = Pov::East; break;
371	case 13500: mState.mPOV[pov].direction = Pov::SouthEast; break;
372	case 18000: mState.mPOV[pov].direction = Pov::South; break;
373	case 22500: mState.mPOV[pov].direction = Pov::SouthWest; break;
374	case 27000: mState.mPOV[pov].direction = Pov::West; break;
375	case 31500: mState.mPOV[pov].direction = Pov::NorthWest; break;
376	}
377	}
378
379	if( mBuffered && mListener )
380	return mListener->povMoved( JoyStickEvent( this, mState ), pov );
381
382	return true;
383	}
384
385	//--------------------------------------------------------------------------------------------------//
386	void Win32JoyStick::setBuffered(bool buffered)
387	{
388	mBuffered = buffered;
389	}
390
391	//--------------------------------------------------------------------------------------------------//
392	Interface* Win32JoyStick::queryInterface(Interface::IType type)
393	{
394	//Thought about using covariant return type here.. however,
395	//some devices may allow LED light changing, or other interface stuff
396
397	if( ff_device && type == Interface::ForceFeedback )
398	return ff_device;
399	else
400	return 0;
401	}

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