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quakeforge-old/common/in_win.c
Joseph Carter 022803757a A little more...
2000-03-24 10:37:23 +00:00

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/*
in_win.c
win32 input code
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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.
#include <quakedef.h>
#include <winquake.h>
#ifdef HAVE_INITGUID_H
# include <initguid.h>
#endif
#include <dinput.h>
//#include <dosisms.h>
#include <client.h>
#include <cmd.h>
#include <console.h>
#include <qargs.h>
#include <lib_replace.h>
#include <keys.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 variables
cvar_t *m_filter;
int mouse_buttons;
int mouse_oldbuttonstate;
POINT current_pos;
int mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
unsigned int uiWheelMessage;
static qboolean restore_spi;
static int originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
qboolean mouseactive;
qboolean mouseinitialized;
static qboolean mouseparmsvalid, mouseactivatetoggle;
static qboolean mouseshowtoggle = 1;
static qboolean dinput_acquired;
static unsigned int mstate_di;
// joystick defines and variables
// where should defines be moved?
#define JOY_ABSOLUTE_AXIS 0x00000000 // control like a joystick
#define JOY_RELATIVE_AXIS 0x00000010 // control like a mouse, spinner, trackball
#define JOY_MAX_AXES 6 // X, Y, Z, R, U, V
#define JOY_AXIS_X 0
#define JOY_AXIS_Y 1
#define JOY_AXIS_Z 2
#define JOY_AXIS_R 3
#define JOY_AXIS_U 4
#define JOY_AXIS_V 5
enum _ControlList
{
AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
};
DWORD dwAxisFlags[JOY_MAX_AXES] =
{
JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
};
DWORD dwAxisMap[JOY_MAX_AXES];
DWORD dwControlMap[JOY_MAX_AXES];
PDWORD pdwRawValue[JOY_MAX_AXES];
// none of these cvars are saved over a session
// this means that advanced controller configuration needs to be executed
// each time. this avoids any problems with getting back to a default usage
// or when changing from one controller to another. this way at least something
// works.
cvar_t *in_joystick;
cvar_t *joy_name;
cvar_t *joy_advanced;
cvar_t *joy_advaxisx;
cvar_t *joy_advaxisy;
cvar_t *joy_advaxisz;
cvar_t *joy_advaxisr;
cvar_t *joy_advaxisu;
cvar_t *joy_advaxisv;
cvar_t *joy_forwardthreshold;
cvar_t *joy_sidethreshold;
cvar_t *joy_pitchthreshold;
cvar_t *joy_yawthreshold;
cvar_t *joy_forwardsensitivity;
cvar_t *joy_sidesensitivity;
cvar_t *joy_pitchsensitivity;
cvar_t *joy_yawsensitivity;
cvar_t *joy_wwhack1;
cvar_t *joy_wwhack2;
qboolean joy_avail, joy_advancedinit, joy_haspov;
DWORD joy_oldbuttonstate, joy_oldpovstate;
int joy_id;
DWORD joy_flags;
DWORD joy_numbuttons;
static LPDIRECTINPUT g_pdi;
static LPDIRECTINPUTDEVICE g_pMouse;
static JOYINFOEX ji;
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
void IN_StartupJoystick (void);
void Joy_AdvancedUpdate_f (void);
void IN_JoyMove (usercmd_t *cmd);
/*
===========
Force_CenterView_f
===========
*/
void Force_CenterView_f (void)
{
cl.viewangles[PITCH] = 0;
}
/*
===========
IN_UpdateClipCursor
===========
*/
void IN_UpdateClipCursor (void)
{
if (mouseinitialized && mouseactive && !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);
}
mouseactive = 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 ();
}
mouseactive = 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
===========
*/
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_SafePrintf ("Couldn't load dinput.dll\n");
return false;
}
}
if (!pDirectInputCreate)
{
pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
if (!pDirectInputCreate)
{
Con_SafePrintf ("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_SafePrintf ("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_SafePrintf ("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_SafePrintf ("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_SafePrintf ("Couldn't set DI buffersize\n");
return false;
}
return true;
}
/*
===========
IN_StartupMouse
===========
*/
void IN_StartupMouse (void)
{
if ( COM_CheckParm ("-nomouse") )
return;
mouseinitialized = true;
if (COM_CheckParm ("-dinput"))
{
dinput = IN_InitDInput ();
if (dinput)
{
Con_SafePrintf ("DirectInput initialized\n");
}
else
{
Con_SafePrintf ("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_Init (void)
{
// mouse variables
m_filter = Cvar_Get ("m_filter","0",0,"None");
// joystick variables
in_joystick = Cvar_Get ("in_joystick","0",CVAR_ARCHIVE,"None");
joy_name = Cvar_Get ("joy_name","joystick",0,"None");
joy_advanced = Cvar_Get ("joy_advanced","0",0,"None");
joy_advaxisx = Cvar_Get ("joy_advaxisx","0",0,"None");
joy_advaxisy = Cvar_Get ("joy_advaxisy","0",0,"None");
joy_advaxisz = Cvar_Get ("joy_advaxisz","0",0,"None");
joy_advaxisr = Cvar_Get ("joy_advaxisr","0",0,"None");
joy_advaxisu = Cvar_Get ("joy_advaxisu","0",0,"None");
joy_advaxisv = Cvar_Get ("joy_adaxisv","0",0,"None");
joy_forwardthreshold = Cvar_Get ("joy_forwardthreshold","0.15",0,
"None");
joy_sidethreshold = Cvar_Get ("joy_sidethreshold","0.15",0,"None");
joy_pitchthreshold = Cvar_Get ("joy_pitchthreshold","0.15",0,"None");
joy_yawthreshold = Cvar_Get ("joy_yawthreshold","0.15",0,"None");
joy_forwardsensitivity = Cvar_Get ("joy_forwardsensitivity","-1.0",0,
"None");
joy_sidesensitivity = Cvar_Get ("joy_sidesensitivity","-1.0",0,"None");
joy_pitchsensitivity = Cvar_Get ("joy_pitchsensitivity","-1.0",0,
"None");
joy_yawsensitivity = Cvar_Get ("joy_yawsensitivity","-1.0",0,"None");
joy_wwhack1 = Cvar_Get ("joy_wwhack1","0.0",0,"None");
joy_wwhack2 = Cvar_Get ("joy_wwhack2","0.0",0,"None");
Cmd_AddCommand ("force_centerview", Force_CenterView_f);
Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
IN_StartupMouse ();
IN_StartupJoystick ();
}
/*
===========
IN_Shutdown
===========
*/
void IN_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 (mouseactive && !dinput)
{
// perform button actions
for (i=0 ; i<mouse_buttons ; i++)
{
if ( (mstate & (1<<i)) &&
!(mouse_oldbuttonstate & (1<<i)) )
{
Key_Event (K_MOUSE1 + i, true);
}
if ( !(mstate & (1<<i)) &&
(mouse_oldbuttonstate & (1<<i)) )
{
Key_Event (K_MOUSE1 + i, false);
}
}
mouse_oldbuttonstate = mstate;
}
}
/*
===========
IN_MouseMove
===========
*/
void IN_MouseMove (usercmd_t *cmd)
{
int mx, my;
int i;
DIDEVICEOBJECTDATA od;
DWORD dwElements;
HRESULT hr;
if (!mouseactive)
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, true);
}
if ( !(mstate_di & (1<<i)) &&
(mouse_oldbuttonstate & (1<<i)) )
{
Key_Event (K_MOUSE1 + i, 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;
}
if (m_filter->value)
{
mouse_x = (mx + old_mouse_x) * 0.5;
mouse_y = (my + old_mouse_y) * 0.5;
}
else
{
mouse_x = mx;
mouse_y = my;
}
old_mouse_x = mx;
old_mouse_y = my;
mouse_x *= sensitivity->value;
mouse_y *= sensitivity->value;
// add mouse X/Y movement to cmd
if ( (in_strafe.state & 1) || (lookstrafe->value && (in_mlook.state & 1) ))
cmd->sidemove += m_side->value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw->value * mouse_x;
if (in_mlook.state & 1)
V_StopPitchDrift ();
if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
{
cl.viewangles[PITCH] += m_pitch->value * mouse_y;
if (cl.viewangles[PITCH] > 80)
cl.viewangles[PITCH] = 80;
if (cl.viewangles[PITCH] < -70)
cl.viewangles[PITCH] = -70;
}
else
{
if ((in_strafe.state & 1) && noclip_anglehack)
cmd->upmove -= m_forward->value * mouse_y;
else
cmd->forwardmove -= m_forward->value * mouse_y;
}
// 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_Move
===========
*/
void IN_Move (usercmd_t *cmd)
{
if (ActiveApp && !Minimized)
{
IN_MouseMove (cmd);
IN_JoyMove (cmd);
}
}
/*
===========
IN_Accumulate
===========
*/
void IN_Accumulate (void)
{
if (mouseactive)
{
GetCursorPos (&current_pos);
mx_accum += current_pos.x - window_center_x;
my_accum += current_pos.y - window_center_y;
// force the mouse to the center, so there's room to move
SetCursorPos (window_center_x, window_center_y);
}
}
/*
===================
IN_ClearStates
===================
*/
void IN_ClearStates (void)
{
if (mouseactive)
{
mx_accum = 0;
my_accum = 0;
mouse_oldbuttonstate = 0;
}
}
/*
===============
IN_StartupJoystick
===============
*/
void IN_StartupJoystick (void)
{
int numdevs;
JOYCAPS jc;
MMRESULT mmr = !JOYERR_NOERROR;
// assume no joystick
joy_avail = false;
// abort startup if user requests no joystick
if ( COM_CheckParm ("-nojoy") )
return;
// verify joystick driver is present
if ((numdevs = joyGetNumDevs ()) == 0)
{
Con_Printf ("\njoystick not found -- driver not present\n\n");
return;
}
// cycle through the joystick ids for the first valid one
for (joy_id=0 ; joy_id<numdevs ; joy_id++)
{
memset (&ji, 0, sizeof(ji));
ji.dwSize = sizeof(ji);
ji.dwFlags = JOY_RETURNCENTERED;
if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
break;
}
// abort startup if we didn't find a valid joystick
if (mmr != JOYERR_NOERROR)
{
Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
return;
}
// get the capabilities of the selected joystick
// abort startup if command fails
memset (&jc, 0, sizeof(jc));
if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
{
Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
return;
}
// save the joystick's number of buttons and POV status
joy_numbuttons = jc.wNumButtons;
joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
// old button and POV states default to no buttons pressed
joy_oldbuttonstate = joy_oldpovstate = 0;
// mark the joystick as available and advanced initialization not completed
// this is needed as cvars are not available during initialization
joy_avail = true;
joy_advancedinit = false;
Con_Printf ("\njoystick detected\n\n");
}
/*
===========
RawValuePointer
===========
*/
PDWORD RawValuePointer (int axis)
{
switch (axis)
{
case JOY_AXIS_X:
return &ji.dwXpos;
case JOY_AXIS_Y:
return &ji.dwYpos;
case JOY_AXIS_Z:
return &ji.dwZpos;
case JOY_AXIS_R:
return &ji.dwRpos;
case JOY_AXIS_U:
return &ji.dwUpos;
case JOY_AXIS_V:
return &ji.dwVpos;
}
return NULL;
}
/*
===========
Joy_AdvancedUpdate_f
===========
*/
void Joy_AdvancedUpdate_f (void)
{
// called once by IN_ReadJoystick and by user whenever an update is needed
// cvars are now available
int i;
DWORD dwTemp;
// initialize all the maps
for (i = 0; i < JOY_MAX_AXES; i++)
{
dwAxisMap[i] = AxisNada;
dwControlMap[i] = JOY_ABSOLUTE_AXIS;
pdwRawValue[i] = RawValuePointer(i);
}
if( joy_advanced->value == 0.0)
{
// default joystick initialization
// 2 axes only with joystick control
dwAxisMap[JOY_AXIS_X] = AxisTurn;
// dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
dwAxisMap[JOY_AXIS_Y] = AxisForward;
// dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
}
else
{
if (Q_strcmp (joy_name->string, "joystick") != 0)
{
// notify user of advanced controller
Con_Printf ("\n%s configured\n\n", joy_name->string);
}
// advanced initialization here
// data supplied by user via joy_axisn cvars
dwTemp = (DWORD) joy_advaxisx->value;
dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (DWORD) joy_advaxisy->value;
dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (DWORD) joy_advaxisz->value;
dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (DWORD) joy_advaxisr->value;
dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (DWORD) joy_advaxisu->value;
dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (DWORD) joy_advaxisv->value;
dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
}
// compute the axes to collect from DirectInput
joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
for (i = 0; i < JOY_MAX_AXES; i++)
{
if (dwAxisMap[i] != AxisNada)
{
joy_flags |= dwAxisFlags[i];
}
}
}
/*
========
IN_Frame
========
*/
void
IN_Frame(void)
{
int i, key_index;
DWORD buttonstate, povstate;
if (!joy_avail)
{
return;
}
// loop through the joystick buttons
// key a joystick event or auxillary event for higher number buttons for each state change
buttonstate = ji.dwButtons;
for (i=0 ; i < joy_numbuttons ; i++)
{
if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
{
key_index = (i < 4) ? K_JOY1 : K_AUX1;
Key_Event (key_index + i, true);
}
if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
{
key_index = (i < 4) ? K_JOY1 : K_AUX1;
Key_Event (key_index + i, false);
}
}
joy_oldbuttonstate = buttonstate;
if (joy_haspov)
{
// convert POV information into 4 bits of state information
// this avoids any potential problems related to moving from one
// direction to another without going through the center position
povstate = 0;
if(ji.dwPOV != JOY_POVCENTERED)
{
if (ji.dwPOV == JOY_POVFORWARD)
povstate |= 0x01;
if (ji.dwPOV == JOY_POVRIGHT)
povstate |= 0x02;
if (ji.dwPOV == JOY_POVBACKWARD)
povstate |= 0x04;
if (ji.dwPOV == JOY_POVLEFT)
povstate |= 0x08;
}
// determine which bits have changed and key an auxillary event for each change
for (i=0 ; i < 4 ; i++)
{
if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
{
Key_Event (K_AUX29 + i, true);
}
if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
{
Key_Event (K_AUX29 + i, false);
}
}
joy_oldpovstate = povstate;
}
}
/*
===============
IN_ReadJoystick
===============
*/
qboolean IN_ReadJoystick (void)
{
memset (&ji, 0, sizeof(ji));
ji.dwSize = sizeof(ji);
ji.dwFlags = joy_flags;
if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
{
// this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
// rather than having 32768 be the zero point, they have the zero point at 32668
// go figure -- anyway, now we get the full resolution out of the device
if (joy_wwhack1->value != 0.0)
{
ji.dwUpos += 100;
}
return true;
}
else
{
// read error occurred
// turning off the joystick seems too harsh for 1 read error,
// but what should be done?
// Con_Printf ("IN_ReadJoystick: no response\n");
// joy_avail = false;
return false;
}
}
/*
===========
IN_JoyMove
===========
*/
void IN_JoyMove (usercmd_t *cmd)
{
float speed, aspeed;
float fAxisValue, fTemp;
int i;
// complete initialization if first time in
// this is needed as cvars are not available at initialization time
if( joy_advancedinit != true )
{
Joy_AdvancedUpdate_f();
joy_advancedinit = true;
}
// verify joystick is available and that the user wants to use it
if (!joy_avail || !in_joystick->value)
{
return;
}
// collect the joystick data, if possible
if (IN_ReadJoystick () != true)
{
return;
}
if (in_speed.state & 1)
speed = cl_movespeedkey->value;
else
speed = 1;
aspeed = speed * host_frametime;
// loop through the axes
for (i = 0; i < JOY_MAX_AXES; i++)
{
// get the floating point zero-centered, potentially-inverted data for the current axis
fAxisValue = (float) *pdwRawValue[i];
// move centerpoint to zero
fAxisValue -= 32768.0;
if (joy_wwhack2->value != 0.0)
{
if (dwAxisMap[i] == AxisTurn)
{
// this is a special formula for the Logitech WingMan Warrior
// y=ax^b; where a = 300 and b = 1.3
// also x values are in increments of 800 (so this is factored out)
// then bounds check result to level out excessively high spin rates
fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
if (fTemp > 14000.0)
fTemp = 14000.0;
// restore direction information
fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
}
}
// convert range from -32768..32767 to -1..1
fAxisValue /= 32768.0;
switch (dwAxisMap[i])
{
case AxisForward:
if ((joy_advanced->value == 0.0) && (in_mlook.state & 1))
{
// user wants forward control to become look control
if (fabs(fAxisValue) > joy_pitchthreshold->value)
{
// if mouse invert is on, invert the joystick pitch value
// only absolute control support here (joy_advanced is false)
if (m_pitch->value < 0.0)
{
cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value;
}
else
{
cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value;
}
V_StopPitchDrift();
}
else
{
// no pitch movement
// disable pitch return-to-center unless requested by user
// *** this code can be removed when the lookspring bug is fixed
// *** the bug always has the lookspring feature on
if(lookspring->value == 0.0)
V_StopPitchDrift();
}
}
else
{
// user wants forward control to be forward control
if (fabs(fAxisValue) > joy_forwardthreshold->value)
{
cmd->forwardmove += (fAxisValue * joy_forwardsensitivity->value) * speed * cl_forwardspeed->value;
}
}
break;
case AxisSide:
if (fabs(fAxisValue) > joy_sidethreshold->value)
{
cmd->sidemove += (fAxisValue * joy_sidesensitivity->value) * speed * cl_sidespeed->value;
}
break;
case AxisTurn:
if ((in_strafe.state & 1) || (lookstrafe->value && (in_mlook.state & 1)))
{
// user wants turn control to become side control
if (fabs(fAxisValue) > joy_sidethreshold->value)
{
cmd->sidemove -= (fAxisValue * joy_sidesensitivity->value) * speed * cl_sidespeed->value;
}
}
else
{
// user wants turn control to be turn control
if (fabs(fAxisValue) > joy_yawthreshold->value)
{
if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
{
cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * aspeed * cl_yawspeed->value;
}
else
{
cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * speed * 180.0;
}
}
}
break;
case AxisLook:
if (in_mlook.state & 1)
{
if (fabs(fAxisValue) > joy_pitchthreshold->value)
{
// pitch movement detected and pitch movement desired by user
if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
{
cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value;
}
else
{
cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * speed * 180.0;
}
V_StopPitchDrift();
}
else
{
// no pitch movement
// disable pitch return-to-center unless requested by user
// *** this code can be removed when the lookspring bug is fixed
// *** the bug always has the lookspring feature on
if(lookspring->value == 0.0)
V_StopPitchDrift();
}
}
break;
default:
break;
}
}
// bounds check pitch
if (cl.viewangles[PITCH] > 80.0)
cl.viewangles[PITCH] = 80.0;
if (cl.viewangles[PITCH] < -70.0)
cl.viewangles[PITCH] = -70.0;
}
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