quakeforge/nq/source/in_win.c

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/*
in_win.c
windows 95 mouse and joystick code
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
#ifdef __MINGW32__
# define INITGUID
#endif
#include "quakedef.h"
#include "winquake.h"
#include <dinput.h>
#include "client.h"
#include "QF/keys.h"
#include "QF/console.h"
#include "QF/qargs.h"
#include "QF/cmd.h"
#include "input.h"
//#include "dosisms.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
float mouse_x, mouse_y;
qboolean mouseactive;
unsigned int uiWheelMessage;
// mouse local variables
static int mouse_buttons;
static int mouse_oldbuttonstate;
static POINT current_pos;
static float old_mouse_x, old_mouse_y, mx_accum, my_accum;
static qboolean mouseinitialized;
static cvar_t *m_filter;
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;
// 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
};
static DWORD dwAxisFlags[JOY_MAX_AXES] = {
JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
};
static DWORD dwAxisMap[JOY_MAX_AXES];
static DWORD dwControlMap[JOY_MAX_AXES];
static 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.
static cvar_t *in_joystick;
static cvar_t *joy_name;
static cvar_t *joy_advanced;
static cvar_t *joy_advaxisx;
static cvar_t *joy_advaxisy;
static cvar_t *joy_advaxisz;
static cvar_t *joy_advaxisr;
static cvar_t *joy_advaxisu;
static cvar_t *joy_advaxisv;
static cvar_t *joy_forwardthreshold;
static cvar_t *joy_sidethreshold;
static cvar_t *joy_pitchthreshold;
static cvar_t *joy_yawthreshold;
static cvar_t *joy_forwardsensitivity;
static cvar_t *joy_sidesensitivity;
static cvar_t *joy_pitchsensitivity;
static cvar_t *joy_yawsensitivity;
static cvar_t *joy_wwhack1;
static cvar_t *joy_wwhack2;
static qboolean joy_avail, joy_advancedinit, joy_haspov;
static DWORD joy_oldbuttonstate, joy_oldpovstate;
static int joy_id;
static DWORD joy_flags;
static DWORD joy_numbuttons;
// misc locals
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, locals
static void IN_StartupJoystick (void);
static void Joy_AdvancedUpdate_f (void);
static void IN_JoyMove (usercmd_t *cmd);
/*
===========
Force_CenterView_f
===========
*/
static 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
===========
*/
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_Init (void)
{
Cmd_AddCommand ("force_centerview", Force_CenterView_f, "No Description");
Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f,
"No Description");
uiWheelMessage = RegisterWindowMessage ("MSWHEEL_ROLLMSG");
IN_StartupMouse ();
IN_StartupJoystick ();
}
void
IN_Init_Cvars (void)
{
// mouse variables
m_filter = Cvar_Get ("m_filter", "0", CVAR_NONE, "None");
// joystick variables
in_joystick = Cvar_Get ("joystick", "0", CVAR_ARCHIVE, "None");
joy_name = Cvar_Get ("joyname", "joystick", CVAR_NONE, "None");
joy_advanced = Cvar_Get ("joyadvanced", "0", CVAR_NONE, "None");
joy_advaxisx = Cvar_Get ("joyadvaxisx", "0", CVAR_NONE, "None");
joy_advaxisy = Cvar_Get ("joyadvaxisy", "0", CVAR_NONE, "None");
joy_advaxisz = Cvar_Get ("joyadvaxisz", "0", CVAR_NONE, "None");
joy_advaxisr = Cvar_Get ("joyadvaxisr", "0", CVAR_NONE, "None");
joy_advaxisu = Cvar_Get ("joyadvaxisu", "0", CVAR_NONE, "None");
joy_advaxisv = Cvar_Get ("joyadvaxisv", "0", CVAR_NONE, "None");
joy_forwardthreshold =
Cvar_Get ("joyforwardthreshold", "0.15", CVAR_NONE, "None");
joy_sidethreshold =
Cvar_Get ("joysidethreshold", "0.15", CVAR_NONE, "None");
joy_pitchthreshold =
Cvar_Get ("joypitchthreshold", "0.15", CVAR_NONE, "None");
joy_yawthreshold = Cvar_Get ("joyyawthreshold", "0.15", CVAR_NONE, "None");
joy_forwardsensitivity =
Cvar_Get ("joyforwardsensitivity", "-1.0", CVAR_NONE, "None");
joy_sidesensitivity =
Cvar_Get ("joysidesensitivity", "-1.0", CVAR_NONE, "None");
joy_pitchsensitivity =
Cvar_Get ("joypitchsensitivity", "1.0", CVAR_NONE, "None");
joy_yawsensitivity =
Cvar_Get ("joyyawsensitivity", "-1.0", CVAR_NONE, "None");
joy_wwhack1 = Cvar_Get ("joywwhack1", "0.0", CVAR_NONE, "None");
joy_wwhack2 = Cvar_Get ("joywwhack2", "0.0", CVAR_NONE, "None");
}
/*
===========
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;
// HDC hdc;
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->int_val && freelook))
cmd->sidemove += m_side->value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw->value * mouse_x;
if (freelook)
V_StopPitchDrift ();
if (freelook && !(in_strafe.state & 1)) {
cl.viewangles[PITCH] += m_pitch->value * mouse_y;
cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80);
} 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)
{
// int mx, my;
// HDC hdc;
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
===============
*/
static void
IN_StartupJoystick (void)
{
int /* i, */ 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
===========
*/
static 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
===========
*/
static 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->int_val) {
// 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 (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 = joy_advaxisx->int_val;
dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = joy_advaxisy->int_val;
dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = joy_advaxisz->int_val;
dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = joy_advaxisr->int_val;
dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = joy_advaxisu->int_val;
dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = joy_advaxisv->int_val;
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_Commands
===========
*/
void
IN_Commands (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
===============
*/
static 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->int_val) {
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
===========
*/
static 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->int_val) {
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->int_val) {
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->int_val && freelook) {
// 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->int_val)
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->int_val && freelook)) {
// 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 (freelook) {
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->int_val)
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;
}
void
IN_HandlePause (qboolean paused)
{
}