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quakeforge/libs/video/targets/joy_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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/*
joy_win.c
Joystick device driver for Win32
Copyright (C) 2000 Jeff Teunissen <deek@dusknet.dhs.org>
Copyright (C) 2000 Jukka Sorjonen <jukka.sorjone@asikkala.fi>
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
$Id$
*/
// FIXME: THIS IS NOT FINISHED YET
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <math.h>
#ifdef __MINGW32__
# define INITGUID
#endif
#define byte __byte
#include <dinput.h>
#undef byte
#include "QF/cmd.h"
#include "compat.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/input.h"
#include "QF/joystick.h"
#include "QF/keys.h"
#include "QF/qargs.h"
// Joystick variables and structures
cvar_t *joy_device; // Joystick device name
cvar_t *joy_enable; // Joystick enabling flag
cvar_t *joy_sensitivity; // Joystick sensitivity
// 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];
JOYINFOEX ji;
// 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;
cvar_t *joy_debug;
qboolean joy_advancedinit, joy_haspov;
DWORD joy_oldbuttonstate, joy_oldpovstate;
int joy_id;
DWORD joy_flags;
DWORD joy_numbuttons;
//
//
//
void JOY_AdvancedUpdate_f (void);
int JOY_StartupJoystick (void);
PDWORD RawValuePointer (int axis);
qboolean
_JOY_Read (void)
{
memset (&ji, 0, sizeof (ji));
ji.dwSize = sizeof (ji);
ji.dwFlags = joy_flags;
if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR) {
// HACK HACK HACK -- there's a bug in the Logitech Wingman Warrior's
// DInput driver that causes it to make 32668 the center point
// instead
// of 32768
if (joy_wwhack1->int_val) {
ji.dwUpos += 100;
}
if (joy_debug->int_val) {
if (ji.dwXpos) Con_Printf("X: %ld\n",ji.dwXpos);
if (ji.dwYpos) Con_Printf("Y: %ld\n",ji.dwYpos);
if (ji.dwZpos) Con_Printf("Z: %ld\n",ji.dwZpos);
if (ji.dwRpos) Con_Printf("R: %ld\n",ji.dwRpos);
if (ji.dwUpos) Con_Printf("U: %ld\n",ji.dwUpos);
if (ji.dwVpos) Con_Printf("V: %ld\n",ji.dwVpos);
if (ji.dwButtons) Con_Printf("B: %ld\n",ji.dwButtons);
}
return true;
} else { // read error
return false;
}
}
void
JOY_Read (void)
{
int i, key_index;
DWORD buttonstate, povstate;
if (!joy_found) {
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, -1, true);
}
if (!(buttonstate & (1 << i)) && (joy_oldbuttonstate & (1 << i))) {
key_index = (i < 4) ? K_JOY1 : K_AUX1;
Key_Event (key_index + i, -1, 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, -1, true);
}
if (!(povstate & (1 << i)) && (joy_oldpovstate & (1 << i))) {
Key_Event (K_AUX29 + i, -1, false);
}
}
joy_oldpovstate = povstate;
}
}
int
JOY_Open (void)
{
return JOY_StartupJoystick();
// Cmd_AddCommand ("joyadvancedupdate", JOY_AdvancedUpdate_f, "FIXME: This appears to update the joystick poll? No Description");
}
void
JOY_Close (void)
{
}
/*
Joy_AdvancedUpdate_f
*/
void
JOY_AdvancedUpdate_f (void)
{
// called once by JOY_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_StartupJoystick
*/
int
JOY_StartupJoystick (void)
{
int /* i, */ numdevs;
JOYCAPS jc;
MMRESULT mmr = !JOYERR_NOERROR;
// assume no joystick
joy_found = false;
// abort startup if user requests no joystick
if (COM_CheckParm ("-nojoy"))
return -1;
// verify joystick driver is present
if ((numdevs = joyGetNumDevs ()) == 0) {
Con_Printf ("\njoystick not found -- driver not present\n\n");
return -1;
}
// 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 -1;
}
// 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 -1;
}
// 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_advancedinit = false;
joy_found = true;
// FIXME: do this right
joy_active = true;
Con_Printf ("\njoystick detected\n\n");
return 0;
}
/*
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;
}
#if 0
void
JOY_Init_Cvars(void)
{
joy_device =
Cvar_Get ("joy_device", "none", CVAR_NONE | CVAR_ROM, 0,
"Joystick device");
joy_enable =
Cvar_Get ("joy_enable", "1", CVAR_NONE | CVAR_ARCHIVE, 0,
"Joystick enable flag");
joy_sensitivity =
Cvar_Get ("joy_sensitivity", "1", CVAR_NONE | CVAR_ARCHIVE, 0,
"Joystick sensitivity");
// joystick variables
in_joystick =
Cvar_Get ("joystick", "0", CVAR_ARCHIVE, 0, "FIXME: No Description");
joy_name =
Cvar_Get ("joyname", "joystick", CVAR_NONE, 0, "FIXME: No Description");
joy_advanced =
Cvar_Get ("joyadvanced", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisx =
Cvar_Get ("joyadvaxisx", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisy =
Cvar_Get ("joyadvaxisy", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisz =
Cvar_Get ("joyadvaxisz", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisr =
Cvar_Get ("joyadvaxisr", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisu =
Cvar_Get ("joyadvaxisu", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_advaxisv =
Cvar_Get ("joyadvaxisv", "0", CVAR_NONE, 0, "FIXME: No Description");
joy_forwardthreshold =
Cvar_Get ("joyforwardthreshold", "0.15", CVAR_NONE, 0, "FIXME: No Description");
joy_sidethreshold =
Cvar_Get ("joysidethreshold", "0.15", CVAR_NONE, 0, "FIXME: No Description");
joy_pitchthreshold =
Cvar_Get ("joypitchthreshold", "0.15", CVAR_NONE, 0, "FIXME: No Description");
joy_yawthreshold = Cvar_Get ("joyyawthreshold", "0.15", CVAR_NONE, 0, "FIXME: No Description");
joy_forwardsensitivity =
Cvar_Get ("joyforwardsensitivity", "-1.0", CVAR_NONE, 0, "FIXME: No Description");
joy_sidesensitivity =
Cvar_Get ("joysidesensitivity", "-1.0", CVAR_NONE, 0, "FIXME: No Description");
joy_pitchsensitivity =
Cvar_Get ("joypitchsensitivity", "1.0", CVAR_NONE, 0, "FIXME: No Description");
joy_yawsensitivity =
Cvar_Get ("joyyawsensitivity", "-1.0", CVAR_NONE, 0, "FIXME: No Description");
joy_wwhack1 = Cvar_Get ("joywwhack1", "0.0", CVAR_NONE, 0, "FIXME: No Description");
joy_wwhack2 = Cvar_Get ("joywwhack2", "0.0", CVAR_NONE, 0, "FIXME: No Description");
joy_debug = Cvar_Get ("joy_debug", "0.0", CVAR_NONE, 0, "FIXME: No Description");
return;
}
#endif
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