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quakeforge/libs/video/targets/in_win.c
Bill Currie 323015b11a include/QF header cleanup. including config.h (or any file from include) is 
a nono because headers in include/QF get installed, but include don't and thus
would break quakeforge-dev.
2001-05-31 05:33:13 +00:00

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C
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/*
in_win.c
windows 95 mouse stuff
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
// 02/21/97 JCB Added extended DirectInput code to support external controllers.
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "winquake.h"
#include <dinput.h>
#include "QF/cmd.h"
#include "compat.h"
#include "QF/console.h"
#include "QF/input.h"
#include "QF/keys.h"
#include "QF/qargs.h"
#include "QF/sys.h"
#define DINPUT_BUFFERSIZE 16
#define iDirectInputCreate(a,b,c,d) pDirectInputCreate(a,b,c,d)
HRESULT (WINAPI * pDirectInputCreate) (HINSTANCE hinst, DWORD dwVersion,
LPDIRECTINPUT * lplpDirectInput,
LPUNKNOWN punkOuter);
// mouse public variables
unsigned int uiWheelMessage;
// mouse local variables
static int mouse_buttons;
static int mouse_oldbuttonstate;
static POINT current_pos;
static float mx_accum, my_accum;
static qboolean mouseinitialized;
static qboolean restore_spi;
static int originalmouseparms[3], newmouseparms[3] = { 0, 0, 1 };
static qboolean mouseparmsvalid, mouseactivatetoggle;
static qboolean mouseshowtoggle = 1;
static qboolean dinput_acquired;
static unsigned int mstate_di;
// misc locals
static LPDIRECTINPUT g_pdi;
static LPDIRECTINPUTDEVICE g_pMouse;
static HINSTANCE hInstDI;
static qboolean dinput;
typedef struct MYDATA {
LONG lX; // X axis goes here
LONG lY; // Y axis goes here
LONG lZ; // Z axis goes here
BYTE bButtonA; // One button goes here
BYTE bButtonB; // Another button goes here
BYTE bButtonC; // Another button goes here
BYTE bButtonD; // Another button goes here
} MYDATA;
static DIOBJECTDATAFORMAT rgodf[] = {
{&GUID_XAxis, FIELD_OFFSET (MYDATA, lX), DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,},
{&GUID_YAxis, FIELD_OFFSET (MYDATA, lY), DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,},
{&GUID_ZAxis, FIELD_OFFSET (MYDATA, lZ),
0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,},
{0, FIELD_OFFSET (MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
{0, FIELD_OFFSET (MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
{0, FIELD_OFFSET (MYDATA, bButtonC),
0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
{0, FIELD_OFFSET (MYDATA, bButtonD),
0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
};
#define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
static DIDATAFORMAT df = {
sizeof (DIDATAFORMAT), // this structure
sizeof (DIOBJECTDATAFORMAT), // size of object data format
DIDF_RELAXIS, // absolute axis coordinates
sizeof (MYDATA), // device data size
NUM_OBJECTS, // number of objects
rgodf, // and here they are
};
// forward-referenced functions, joy
extern void JOY_Command(void);
extern void JOY_Init_Cvars(void);
extern void JOY_Init (void);
extern void JOY_AdvancedUpdate_f (void);
extern void JOY_Move (void);
/*
IN_UpdateClipCursor
*/
void
IN_UpdateClipCursor (void)
{
if (mouseinitialized && in_mouse_avail && !dinput) {
ClipCursor (&window_rect);
}
}
/*
IN_ShowMouse
*/
void
IN_ShowMouse (void)
{
if (!mouseshowtoggle) {
ShowCursor (TRUE);
mouseshowtoggle = 1;
}
}
/*
IN_HideMouse
*/
void
IN_HideMouse (void)
{
if (mouseshowtoggle) {
ShowCursor (FALSE);
mouseshowtoggle = 0;
}
}
/*
IN_ActivateMouse
*/
void
IN_ActivateMouse (void)
{
mouseactivatetoggle = true;
if (mouseinitialized) {
if (dinput) {
if (g_pMouse) {
if (!dinput_acquired) {
IDirectInputDevice_Acquire (g_pMouse);
dinput_acquired = true;
}
} else {
return;
}
} else {
if (mouseparmsvalid)
restore_spi =
SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
SetCursorPos (window_center_x, window_center_y);
SetCapture (mainwindow);
ClipCursor (&window_rect);
}
in_mouse_avail = true;
}
}
/*
IN_SetQuakeMouseState
*/
void
IN_SetQuakeMouseState (void)
{
if (mouseactivatetoggle)
IN_ActivateMouse ();
}
/*
IN_DeactivateMouse
*/
void
IN_DeactivateMouse (void)
{
mouseactivatetoggle = false;
if (mouseinitialized) {
if (dinput) {
if (g_pMouse) {
if (dinput_acquired) {
IDirectInputDevice_Unacquire (g_pMouse);
dinput_acquired = false;
}
}
} else {
if (restore_spi)
SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
ClipCursor (NULL);
ReleaseCapture ();
}
in_mouse_avail = false;
}
}
/*
IN_RestoreOriginalMouseState
*/
void
IN_RestoreOriginalMouseState (void)
{
if (mouseactivatetoggle) {
IN_DeactivateMouse ();
mouseactivatetoggle = true;
}
// try to redraw the cursor so it gets reinitialized, because sometimes it
// has garbage after the mode switch
ShowCursor (TRUE);
ShowCursor (FALSE);
}
/*
IN_InitDInput
*/
static qboolean
IN_InitDInput (void)
{
HRESULT hr;
DIPROPDWORD dipdw = {
{
sizeof (DIPROPDWORD), // diph.dwSize
sizeof (DIPROPHEADER), // diph.dwHeaderSize
0, // diph.dwObj
DIPH_DEVICE, // diph.dwHow
}
,
DINPUT_BUFFERSIZE, // dwData
};
if (!hInstDI) {
hInstDI = LoadLibrary ("dinput.dll");
if (hInstDI == NULL) {
Con_Printf ("Couldn't load dinput.dll\n");
return false;
}
}
if (!pDirectInputCreate) {
pDirectInputCreate =
(void *) GetProcAddress (hInstDI, "DirectInputCreateA");
if (!pDirectInputCreate) {
Con_Printf ("Couldn't get DI proc addr\n");
return false;
}
}
// register with DirectInput and get an IDirectInput to play with.
hr =
iDirectInputCreate (global_hInstance, DIRECTINPUT_VERSION, &g_pdi,
NULL);
if (FAILED (hr)) {
return false;
}
// obtain an interface to the system mouse device.
hr = IDirectInput_CreateDevice (g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
if (FAILED (hr)) {
Con_Printf ("Couldn't open DI mouse device\n");
return false;
}
// set the data format to "mouse format".
hr = IDirectInputDevice_SetDataFormat (g_pMouse, &df);
if (FAILED (hr)) {
Con_Printf ("Couldn't set DI mouse format\n");
return false;
}
// set the cooperativity level.
hr = IDirectInputDevice_SetCooperativeLevel (g_pMouse, mainwindow,
DISCL_EXCLUSIVE |
DISCL_FOREGROUND);
if (FAILED (hr)) {
Con_Printf ("Couldn't set DI coop level\n");
return false;
}
// set the buffer size to DINPUT_BUFFERSIZE elements.
// the buffer size is a DWORD property associated with the device
hr =
IDirectInputDevice_SetProperty (g_pMouse, DIPROP_BUFFERSIZE,
&dipdw.diph);
if (FAILED (hr)) {
Con_Printf ("Couldn't set DI buffersize\n");
return false;
}
return true;
}
/*
IN_StartupMouse
*/
static void
IN_StartupMouse (void)
{
// HDC hdc;
if (COM_CheckParm ("-nomouse"))
return;
mouseinitialized = true;
if (COM_CheckParm ("-dinput")) {
dinput = IN_InitDInput ();
if (dinput) {
Con_Printf ("DirectInput initialized\n");
} else {
Con_Printf ("DirectInput not initialized\n");
}
}
if (!dinput) {
mouseparmsvalid =
SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
if (mouseparmsvalid) {
if (COM_CheckParm ("-noforcemspd"))
newmouseparms[2] = originalmouseparms[2];
if (COM_CheckParm ("-noforcemaccel")) {
newmouseparms[0] = originalmouseparms[0];
newmouseparms[1] = originalmouseparms[1];
}
if (COM_CheckParm ("-noforcemparms")) {
newmouseparms[0] = originalmouseparms[0];
newmouseparms[1] = originalmouseparms[1];
newmouseparms[2] = originalmouseparms[2];
}
}
}
mouse_buttons = 3;
// if a fullscreen video mode was set before the mouse was initialized,
// set the mouse state appropriately
if (mouseactivatetoggle)
IN_ActivateMouse ();
}
/*
IN_Init
*/
void
IN_LL_Init (void)
{
uiWheelMessage = RegisterWindowMessage ("MSWHEEL_ROLLMSG");
IN_StartupMouse ();
}
void
IN_LL_Init_Cvars (void)
{
}
/*
IN_Shutdown
*/
void
IN_LL_Shutdown (void)
{
IN_DeactivateMouse ();
IN_ShowMouse ();
if (g_pMouse) {
IDirectInputDevice_Release (g_pMouse);
g_pMouse = NULL;
}
if (g_pdi) {
IDirectInput_Release (g_pdi);
g_pdi = NULL;
}
}
/*
IN_MouseEvent
*/
void
IN_MouseEvent (int mstate)
{
int i;
if (in_mouse_avail && !dinput) {
// perform button actions
for (i = 0; i < mouse_buttons; i++) {
if ((mstate & (1 << i)) && !(mouse_oldbuttonstate & (1 << i))) {
Key_Event (K_MOUSE1 + i, -1, true);
}
if (!(mstate & (1 << i)) && (mouse_oldbuttonstate & (1 << i))) {
Key_Event (K_MOUSE1 + i, -1, false);
}
}
mouse_oldbuttonstate = mstate;
}
}
/*
IN_MouseMove
*/
void
IN_LL_Commands (void)
{
int mx, my;
// HDC hdc;
int i;
DIDEVICEOBJECTDATA od;
DWORD dwElements;
HRESULT hr;
if (!in_mouse_avail)
return;
if (dinput) {
mx = 0;
my = 0;
for (;;) {
dwElements = 1;
hr = IDirectInputDevice_GetDeviceData (g_pMouse,
sizeof (DIDEVICEOBJECTDATA),
&od, &dwElements, 0);
if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED)) {
dinput_acquired = true;
IDirectInputDevice_Acquire (g_pMouse);
break;
}
/* Unable to read data or no data available */
if (FAILED (hr) || dwElements == 0) {
break;
}
/* Look at the element to see what happened */
switch (od.dwOfs) {
case DIMOFS_X:
mx += od.dwData;
break;
case DIMOFS_Y:
my += od.dwData;
break;
case DIMOFS_BUTTON0:
if (od.dwData & 0x80)
mstate_di |= 1;
else
mstate_di &= ~1;
break;
case DIMOFS_BUTTON1:
if (od.dwData & 0x80)
mstate_di |= (1 << 1);
else
mstate_di &= ~(1 << 1);
break;
case DIMOFS_BUTTON2:
if (od.dwData & 0x80)
mstate_di |= (1 << 2);
else
mstate_di &= ~(1 << 2);
break;
}
}
// perform button actions
for (i = 0; i < mouse_buttons; i++) {
if ((mstate_di & (1 << i)) && !(mouse_oldbuttonstate & (1 << i))) {
Key_Event (K_MOUSE1 + i, -1, true);
}
if (!(mstate_di & (1 << i)) && (mouse_oldbuttonstate & (1 << i))) {
Key_Event (K_MOUSE1 + i, -1, false);
}
}
mouse_oldbuttonstate = mstate_di;
} else {
GetCursorPos (&current_pos);
mx = current_pos.x - window_center_x + mx_accum;
my = current_pos.y - window_center_y + my_accum;
mx_accum = 0;
my_accum = 0;
}
in_mouse_x = mx;
in_mouse_y = my;
// if the mouse has moved, force it to the center, so there's room to move
if (mx || my) {
SetCursorPos (window_center_x, window_center_y);
}
}
/*
IN_LL_ClearStates
*/
void
IN_LL_ClearStates (void)
{
if (in_mouse_avail) {
mx_accum = 0;
my_accum = 0;
mouse_oldbuttonstate = 0;
}
}
void
IN_LL_SendKeyEvents (void)
{
MSG msg;
while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) {
if (!GetMessage (&msg, NULL, 0, 0))
Sys_Quit ();
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
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