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Macros | Typedefs | Functions | Variables
dinput.c File Reference
#include "client.h"
#include <dinput.h>

Go to the source code of this file.

Macros

#define DIRECTINPUT_VERSION   0x0700
 
#define DIDFT_OPTIONAL   0x80000000
 
#define DEFINE_STATIC_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)   static const GUID _##name = { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
 

Typedefs

typedef HRESULT(WINAPI * LPDIRECTINPUTCREATE) (HINSTANCE, DWORD, LPDIRECTINPUT *, LPUNKNOWN)
 

Functions

 DEFINE_STATIC_GUID (GUID_SysMouse, 0x6F1D2B60, 0xD5A0, 0x11CF, 0xBF, 0xC7, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00)
 
 DEFINE_STATIC_GUID (GUID_XAxis, 0xA36D02E0, 0xC9F3, 0x11CF, 0xBF, 0xC7, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00)
 
 DEFINE_STATIC_GUID (GUID_YAxis, 0xA36D02E1, 0xC9F3, 0x11CF, 0xBF, 0xC7, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00)
 
 DEFINE_STATIC_GUID (GUID_ZAxis, 0xA36D02E2, 0xC9F3, 0x11CF, 0xBF, 0xC7, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00)
 
static void DI_GetMouseEvents (void)
 
static qboolean DI_GetMouseMotion (int *dx, int *dy)
 
static void DI_ShutdownMouse (void)
 
static qboolean DI_InitMouse (void)
 
static void DI_GrabMouse (grab_t grab)
 
void DI_FillAPI (inputAPI_t *api)
 

Variables

static HMODULE hDirectInput
 
static LPDIRECTINPUTCREATE pDirectInputCreate
 
static grab_t di_grabbed
 
static qboolean di_initialized
 
static LPDIRECTINPUT di
 
static LPDIRECTINPUTDEVICE di_mouse
 
static const DIOBJECTDATAFORMAT mouseObjectDataFormat []
 
static const DIDATAFORMAT mouseDataFormat
 
static const DIPROPDWORD mouseBufferSize
 

Macro Definition Documentation

◆ DEFINE_STATIC_GUID

#define DEFINE_STATIC_GUID (   name,
  l,
  w1,
  w2,
  b1,
  b2,
  b3,
  b4,
  b5,
  b6,
  b7,
  b8 
)    static const GUID _##name = { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }

Definition at line 43 of file dinput.c.

◆ DIDFT_OPTIONAL

#define DIDFT_OPTIONAL   0x80000000

Definition at line 29 of file dinput.c.

◆ DIRECTINPUT_VERSION

#define DIRECTINPUT_VERSION   0x0700

Definition at line 25 of file dinput.c.

Typedef Documentation

◆ LPDIRECTINPUTCREATE

typedef HRESULT(WINAPI * LPDIRECTINPUTCREATE) (HINSTANCE, DWORD, LPDIRECTINPUT *, LPUNKNOWN)

Definition at line 34 of file dinput.c.

Function Documentation

◆ DEFINE_STATIC_GUID() [1/4]

DEFINE_STATIC_GUID ( GUID_SysMouse  ,
0x6F1D2B60  ,
0xD5A0  ,
0x11CF  ,
0xBF  ,
0xC7  ,
0x44  ,
0x45  ,
0x53  ,
0x54  ,
0x00  ,
0x00   
)

◆ DEFINE_STATIC_GUID() [2/4]

DEFINE_STATIC_GUID ( GUID_XAxis  ,
0xA36D02E0  ,
0xC9F3  ,
0x11CF  ,
0xBF  ,
0xC7  ,
0x44  ,
0x45  ,
0x53  ,
0x54  ,
0x00  ,
0x00   
)

◆ DEFINE_STATIC_GUID() [3/4]

DEFINE_STATIC_GUID ( GUID_YAxis  ,
0xA36D02E1  ,
0xC9F3  ,
0x11CF  ,
0xBF  ,
0xC7  ,
0x44  ,
0x45  ,
0x53  ,
0x54  ,
0x00  ,
0x00   
)

◆ DEFINE_STATIC_GUID() [4/4]

DEFINE_STATIC_GUID ( GUID_ZAxis  ,
0xA36D02E2  ,
0xC9F3  ,
0x11CF  ,
0xBF  ,
0xC7  ,
0x44  ,
0x45  ,
0x53  ,
0x54  ,
0x00  ,
0x00   
)

◆ DI_FillAPI()

void DI_FillAPI ( inputAPI_t *  api)

Definition at line 316 of file dinput.c.

317 {
318  api->Init = DI_InitMouse;
319  api->Shutdown = DI_ShutdownMouse;
320  api->Grab = DI_GrabMouse;
321  api->GetEvents = DI_GetMouseEvents;
322  api->GetMotion = DI_GetMouseMotion;
323 }

Referenced by IN_Init().

◆ DI_GetMouseEvents()

static void DI_GetMouseEvents ( void  )
static

Definition at line 89 of file dinput.c.

90 {
91  DIDEVICEOBJECTDATA data[16];
92  LPDIDEVICEOBJECTDATA p, last;
93  DWORD numElements, button;
94  int value;
95  HRESULT hr;
96 
97  if (di_grabbed != IN_GRAB) {
98  return;
99  }
100 
101  do {
102  numElements = 16;
103  hr = IDirectInputDevice_GetDeviceData(di_mouse, sizeof(data[0]), data, &numElements, 0);
104  if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED) {
105  IDirectInputDevice_Acquire(di_mouse);
106  return;
107  }
108  if (FAILED(hr)) {
109  Com_EPrintf("GetDeviceData failed with error 0x%lX\n", hr);
110  return;
111  }
112  last = data + numElements;
113  for (p = data; p < last; p++) {
114  switch (p->dwOfs) {
115  case DIMOFS_BUTTON0:
116  case DIMOFS_BUTTON1:
117  case DIMOFS_BUTTON2:
118  case DIMOFS_BUTTON3:
119  case DIMOFS_BUTTON4:
120  case DIMOFS_BUTTON5:
121  case DIMOFS_BUTTON6:
122  case DIMOFS_BUTTON7:
123  button = p->dwOfs - DIMOFS_BUTTON0;
124  if (p->dwData & 0x80) {
125  Key_Event(K_MOUSE1 + button, qtrue, p->dwTimeStamp);
126  } else {
127  Key_Event(K_MOUSE1 + button, qfalse, p->dwTimeStamp);
128  }
129  break;
130  case DIMOFS_Z:
131  value = p->dwData;
132  if (!value) {
133  break;
134  }
135  if (value > 0) {
136  Key_Event(K_MWHEELUP, qtrue, p->dwTimeStamp);
137  Key_Event(K_MWHEELUP, qfalse, p->dwTimeStamp);
138  } else {
139  Key_Event(K_MWHEELDOWN, qtrue, p->dwTimeStamp);
140  Key_Event(K_MWHEELDOWN, qfalse, p->dwTimeStamp);
141  }
142  break;
143  default:
144  break;
145  }
146  }
147  } while (hr == DI_BUFFEROVERFLOW);
148 }

Referenced by DI_FillAPI().

◆ DI_GetMouseMotion()

static qboolean DI_GetMouseMotion ( int *  dx,
int *  dy 
)
static

Definition at line 155 of file dinput.c.

156 {
157  DIMOUSESTATE2 state;
158  HRESULT hr;
159 
160  if (di_grabbed != IN_GRAB) {
161  return qfalse;
162  }
163 
164  hr = IDirectInputDevice_GetDeviceState(di_mouse, sizeof(state), &state);
165  if (FAILED(hr)) {
166  Com_EPrintf("GetDeviceState failed with error 0x%lX\n", hr);
167  return qfalse;
168  }
169 
170  *dx = state.lX;
171  *dy = state.lY;
172  return qtrue;
173 }

Referenced by DI_FillAPI().

◆ DI_GrabMouse()

static void DI_GrabMouse ( grab_t  grab)
static

Definition at line 281 of file dinput.c.

282 {
283  HRESULT hr;
284 
285  if (!di_initialized) {
286  return;
287  }
288 
289  if (di_grabbed == grab) {
290  return;
291  }
292 
293  if (grab == IN_GRAB) {
294  Com_DPrintf("IDirectInputDevice_Acquire\n");
295  hr = IDirectInputDevice_Acquire(di_mouse);
296  if (FAILED(hr)) {
297  Com_EPrintf("Failed to acquire mouse, error 0x%lX\n", hr);
298  }
299  } else {
300  Com_DPrintf("IDirectInputDevice_Unacquire\n");
301  hr = IDirectInputDevice_Unacquire(di_mouse);
302  if (FAILED(hr)) {
303  Com_EPrintf("Failed to unacquire mouse, error 0x%lX\n", hr);
304  }
305  }
306 
307  di_grabbed = grab;
308 
309 }

Referenced by DI_FillAPI().

◆ DI_InitMouse()

static qboolean DI_InitMouse ( void  )
static

Definition at line 205 of file dinput.c.

206 {
207  HRESULT hr;
208 
209  if (!win.wnd) {
210  return qfalse;
211  }
212 
213  Com_Printf("Initializing DirectInput\n");
214 
215  if (!hDirectInput) {
216  hDirectInput = LoadLibrary("dinput.dll");
217  if (!hDirectInput) {
218  Com_EPrintf("Failed to load dinput.dll\n");
219  return qfalse;
220  }
221 
222  pDirectInputCreate = (LPDIRECTINPUTCREATE)
223  GetProcAddress(hDirectInput, "DirectInputCreateA");
224  if (!pDirectInputCreate) {
225  Com_EPrintf("Failed to obtain DirectInputCreate\n");
226  goto fail;
227  }
228  }
229 
230  hr = pDirectInputCreate(hGlobalInstance, DIRECTINPUT_VERSION, &di, NULL);
231  if (FAILED(hr)) {
232  Com_EPrintf("DirectInputCreate failed with error 0x%lX\n", hr);
233  goto fail;
234  }
235 
236  hr = IDirectInput_CreateDevice(di, &_GUID_SysMouse, &di_mouse, NULL);
237  if (FAILED(hr)) {
238  Com_EPrintf("CreateDevice failed with error 0x%lX\n", hr);
239  goto fail;
240  }
241 
242  hr = IDirectInputDevice_SetDataFormat(di_mouse, &mouseDataFormat);
243  if (FAILED(hr)) {
244  Com_EPrintf("SetDataFormat failed with error 0x%lX\n", hr);
245  goto fail;
246  }
247 
248  hr = IDirectInputDevice_SetCooperativeLevel(di_mouse, win.wnd, DISCL_EXCLUSIVE | DISCL_FOREGROUND);
249  if (FAILED(hr)) {
250  Com_EPrintf("SetCooperativeLevel failed with error 0x%lX\n", hr);
251  goto fail;
252  }
253 
254  hr = IDirectInputDevice_SetProperty(di_mouse, DIPROP_BUFFERSIZE, &mouseBufferSize.diph);
255  if (FAILED(hr)) {
256  Com_EPrintf("SetProperty failed with error 0x%lX\n", hr);
257  goto fail;
258  }
259 
260  di_initialized = qtrue;
261 
262  return qtrue;
263 
264 fail:
265  if (di_mouse) {
266  IDirectInputDevice_Release(di_mouse);
267  di_mouse = NULL;
268  }
269  if (di) {
270  IDirectInput_Release(di);
271  di = NULL;
272  }
273  return qfalse;
274 }

Referenced by DI_FillAPI().

◆ DI_ShutdownMouse()

static void DI_ShutdownMouse ( void  )
static

Definition at line 180 of file dinput.c.

181 {
182  Com_Printf("Shutting down DirectInput\n");
183 
184  if (di_mouse) {
185  if (di_grabbed) {
186  IDirectInputDevice_Unacquire(di_mouse);
187  }
188  IDirectInputDevice_Release(di_mouse);
189  di_mouse = NULL;
190  }
191  if (di) {
192  IDirectInput_Release(di);
193  di = NULL;
194  }
195  di_grabbed = qfalse;
196  di_initialized = qfalse;
197 
198 }

Referenced by DI_FillAPI().

Variable Documentation

◆ di

LPDIRECTINPUT di
static

Definition at line 40 of file dinput.c.

Referenced by DI_InitMouse(), and DI_ShutdownMouse().

◆ di_grabbed

grab_t di_grabbed
static

Definition at line 38 of file dinput.c.

Referenced by DI_GetMouseEvents(), DI_GetMouseMotion(), DI_GrabMouse(), and DI_ShutdownMouse().

◆ di_initialized

qboolean di_initialized
static

Definition at line 39 of file dinput.c.

Referenced by DI_GrabMouse(), DI_InitMouse(), and DI_ShutdownMouse().

◆ di_mouse

LPDIRECTINPUTDEVICE di_mouse
static

Definition at line 41 of file dinput.c.

Referenced by DI_GetMouseEvents(), DI_GetMouseMotion(), DI_GrabMouse(), DI_InitMouse(), and DI_ShutdownMouse().

◆ hDirectInput

HMODULE hDirectInput
static

Definition at line 32 of file dinput.c.

Referenced by DI_InitMouse().

◆ mouseBufferSize

const DIPROPDWORD mouseBufferSize
static
Initial value:
= {
{
sizeof(DIPROPDWORD),
sizeof(DIPROPHEADER),
0,
DIPH_DEVICE
},
32
}

Definition at line 74 of file dinput.c.

Referenced by DI_InitMouse().

◆ mouseDataFormat

const DIDATAFORMAT mouseDataFormat
static
Initial value:
= {
sizeof(DIDATAFORMAT),
sizeof(DIOBJECTDATAFORMAT),
DIDF_RELAXIS,
sizeof(DIMOUSESTATE2),
q_countof(mouseObjectDataFormat),
(LPDIOBJECTDATAFORMAT)mouseObjectDataFormat
}

Definition at line 65 of file dinput.c.

Referenced by DI_InitMouse().

◆ mouseObjectDataFormat

const DIOBJECTDATAFORMAT mouseObjectDataFormat[]
static
Initial value:
= {
{ &_GUID_XAxis, DIMOFS_X, DIDFT_RELAXIS | DIDFT_ANYINSTANCE, 0 },
{ &_GUID_YAxis, DIMOFS_Y, DIDFT_RELAXIS | DIDFT_ANYINSTANCE, 0 },
{ &_GUID_ZAxis, DIMOFS_Z, DIDFT_RELAXIS | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON0, DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0 },
{ NULL, DIMOFS_BUTTON1, DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0 },
{ NULL, DIMOFS_BUTTON2, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON3, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON4, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON5, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON6, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 },
{ NULL, DIMOFS_BUTTON7, DIDFT_BUTTON | DIDFT_ANYINSTANCE | DIDFT_OPTIONAL, 0 }
}

Definition at line 51 of file dinput.c.

◆ pDirectInputCreate

LPDIRECTINPUTCREATE pDirectInputCreate
static

Definition at line 36 of file dinput.c.

Referenced by DI_InitMouse().

DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION
Definition: dinput.c:25
mouseBufferSize
static const DIPROPDWORD mouseBufferSize
Definition: dinput.c:74
LPDIRECTINPUTCREATE
HRESULT(WINAPI * LPDIRECTINPUTCREATE)(HINSTANCE, DWORD, LPDIRECTINPUT *, LPUNKNOWN)
Definition: dinput.c:34
mouseObjectDataFormat
static const DIOBJECTDATAFORMAT mouseObjectDataFormat[]
Definition: dinput.c:51
hGlobalInstance
HINSTANCE hGlobalInstance
Definition: system.c:28
di_mouse
static LPDIRECTINPUTDEVICE di_mouse
Definition: dinput.c:41
di_grabbed
static grab_t di_grabbed
Definition: dinput.c:38
DI_GrabMouse
static void DI_GrabMouse(grab_t grab)
Definition: dinput.c:281
di
static LPDIRECTINPUT di
Definition: dinput.c:40
DI_GetMouseMotion
static qboolean DI_GetMouseMotion(int *dx, int *dy)
Definition: dinput.c:155
di_initialized
static qboolean di_initialized
Definition: dinput.c:39
mouseDataFormat
static const DIDATAFORMAT mouseDataFormat
Definition: dinput.c:65
Key_Event
void Key_Event(unsigned key, qboolean down, unsigned time)
Definition: keys.c:627
DI_ShutdownMouse
static void DI_ShutdownMouse(void)
Definition: dinput.c:180
hDirectInput
static HMODULE hDirectInput
Definition: dinput.c:32
pDirectInputCreate
static LPDIRECTINPUTCREATE pDirectInputCreate
Definition: dinput.c:36
DIDFT_OPTIONAL
#define DIDFT_OPTIONAL
Definition: dinput.c:29
DI_InitMouse
static qboolean DI_InitMouse(void)
Definition: dinput.c:205
win
win_state_t win
Definition: client.c:33
DI_GetMouseEvents
static void DI_GetMouseEvents(void)
Definition: dinput.c:89