ref: c05151aa1b7ac81866cf937c973e7038035dfe53
dir: /win32/in_win.c/
/*
Copyright (C) 1997-2001 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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// in_win.c -- windows 95 mouse and joystick code
// 02/21/97 JCB Added extended DirectInput code to support external controllers.
#include "../client/client.h"
#include "winquake.h"
extern unsigned sys_msg_time;
// 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, AxisUp
};
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];
cvar_t *in_mouse;
cvar_t *in_joystick;
// 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 *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_upthreshold;
cvar_t *joy_upsensitivity;
qboolean joy_avail, joy_advancedinit, joy_haspov;
DWORD joy_oldbuttonstate, joy_oldpovstate;
int joy_id;
DWORD joy_flags;
DWORD joy_numbuttons;
static JOYINFOEX ji;
qboolean in_appactive;
// forward-referenced functions
void IN_StartupJoystick (void);
void Joy_AdvancedUpdate_f (void);
void IN_JoyMove (usercmd_t *cmd);
/*
============================================================
MOUSE CONTROL
============================================================
*/
// mouse variables
cvar_t *m_filter;
qboolean mlooking;
void IN_MLookDown (void) { mlooking = true; }
void IN_MLookUp (void) {
mlooking = false;
if (!freelook->value && lookspring->value)
IN_CenterView ();
}
int mouse_buttons;
int mouse_oldbuttonstate;
POINT current_pos;
int mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
int old_x, old_y;
qboolean mouseactive; // false when not focus app
qboolean restore_spi;
qboolean mouseinitialized;
int originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
qboolean mouseparmsvalid;
int window_center_x, window_center_y;
RECT window_rect;
/*
===========
IN_ActivateMouse
Called when the window gains focus or changes in some way
===========
*/
void IN_ActivateMouse (void)
{
int width, height;
if (!mouseinitialized)
return;
if (!in_mouse->value)
{
mouseactive = false;
return;
}
if (mouseactive)
return;
mouseactive = true;
if (mouseparmsvalid)
restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
width = GetSystemMetrics (SM_CXSCREEN);
height = GetSystemMetrics (SM_CYSCREEN);
GetWindowRect ( cl_hwnd, &window_rect);
if (window_rect.left < 0)
window_rect.left = 0;
if (window_rect.top < 0)
window_rect.top = 0;
if (window_rect.right >= width)
window_rect.right = width-1;
if (window_rect.bottom >= height-1)
window_rect.bottom = height-1;
window_center_x = (window_rect.right + window_rect.left)/2;
window_center_y = (window_rect.top + window_rect.bottom)/2;
SetCursorPos (window_center_x, window_center_y);
old_x = window_center_x;
old_y = window_center_y;
SetCapture ( cl_hwnd );
ClipCursor (&window_rect);
while (ShowCursor (FALSE) >= 0)
;
}
/*
===========
IN_DeactivateMouse
Called when the window loses focus
===========
*/
void IN_DeactivateMouse (void)
{
if (!mouseinitialized)
return;
if (!mouseactive)
return;
if (restore_spi)
SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
mouseactive = false;
ClipCursor (NULL);
ReleaseCapture ();
while (ShowCursor (TRUE) < 0)
;
}
/*
===========
IN_StartupMouse
===========
*/
void IN_StartupMouse (void)
{
cvar_t *cv;
cv = Cvar_Get ("in_initmouse", "1", CVAR_NOSET);
if ( !cv->value )
return;
mouseinitialized = true;
mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
mouse_buttons = 3;
}
/*
===========
IN_MouseEvent
===========
*/
void IN_MouseEvent (int mstate)
{
int i;
if (!mouseinitialized)
return;
// perform button actions
for (i=0 ; i<mouse_buttons ; i++)
{
if ( (mstate & (1<<i)) &&
!(mouse_oldbuttonstate & (1<<i)) )
{
Key_Event (K_MOUSE1 + i, true, sys_msg_time);
}
if ( !(mstate & (1<<i)) &&
(mouse_oldbuttonstate & (1<<i)) )
{
Key_Event (K_MOUSE1 + i, false, sys_msg_time);
}
}
mouse_oldbuttonstate = mstate;
}
/*
===========
IN_MouseMove
===========
*/
void IN_MouseMove (usercmd_t *cmd)
{
int mx, my;
if (!mouseactive)
return;
// find mouse movement
if (!GetCursorPos (¤t_pos))
return;
mx = current_pos.x - window_center_x;
my = current_pos.y - window_center_y;
#if 0
if (!mx && !my)
return;
#endif
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 && mlooking ))
cmd->sidemove += m_side->value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw->value * mouse_x;
if ( (mlooking || freelook->value) && !(in_strafe.state & 1))
{
cl.viewangles[PITCH] += m_pitch->value * mouse_y;
}
else
{
cmd->forwardmove -= m_forward->value * mouse_y;
}
// force the mouse to the center, so there's room to move
if (mx || my)
SetCursorPos (window_center_x, window_center_y);
}
/*
=========================================================================
VIEW CENTERING
=========================================================================
*/
cvar_t *v_centermove;
cvar_t *v_centerspeed;
/*
===========
IN_Init
===========
*/
void IN_Init (void)
{
// mouse variables
m_filter = Cvar_Get ("m_filter", "0", 0);
in_mouse = Cvar_Get ("in_mouse", "1", CVAR_ARCHIVE);
// joystick variables
in_joystick = Cvar_Get ("in_joystick", "0", CVAR_ARCHIVE);
joy_name = Cvar_Get ("joy_name", "joystick", 0);
joy_advanced = Cvar_Get ("joy_advanced", "0", 0);
joy_advaxisx = Cvar_Get ("joy_advaxisx", "0", 0);
joy_advaxisy = Cvar_Get ("joy_advaxisy", "0", 0);
joy_advaxisz = Cvar_Get ("joy_advaxisz", "0", 0);
joy_advaxisr = Cvar_Get ("joy_advaxisr", "0", 0);
joy_advaxisu = Cvar_Get ("joy_advaxisu", "0", 0);
joy_advaxisv = Cvar_Get ("joy_advaxisv", "0", 0);
joy_forwardthreshold = Cvar_Get ("joy_forwardthreshold", "0.15", 0);
joy_sidethreshold = Cvar_Get ("joy_sidethreshold", "0.15", 0);
joy_upthreshold = Cvar_Get ("joy_upthreshold", "0.15", 0);
joy_pitchthreshold = Cvar_Get ("joy_pitchthreshold", "0.15", 0);
joy_yawthreshold = Cvar_Get ("joy_yawthreshold", "0.15", 0);
joy_forwardsensitivity = Cvar_Get ("joy_forwardsensitivity", "-1", 0);
joy_sidesensitivity = Cvar_Get ("joy_sidesensitivity", "-1", 0);
joy_upsensitivity = Cvar_Get ("joy_upsensitivity", "-1", 0);
joy_pitchsensitivity = Cvar_Get ("joy_pitchsensitivity", "1", 0);
joy_yawsensitivity = Cvar_Get ("joy_yawsensitivity", "-1", 0);
// centering
v_centermove = Cvar_Get ("v_centermove", "0.15", 0);
v_centerspeed = Cvar_Get ("v_centerspeed", "500", 0);
Cmd_AddCommand ("+mlook", IN_MLookDown);
Cmd_AddCommand ("-mlook", IN_MLookUp);
Cmd_AddCommand ("joy_advancedupdate", Joy_AdvancedUpdate_f);
IN_StartupMouse ();
IN_StartupJoystick ();
}
/*
===========
IN_Shutdown
===========
*/
void IN_Shutdown (void)
{
IN_DeactivateMouse ();
}
/*
===========
IN_Activate
Called when the main window gains or loses focus.
The window may have been destroyed and recreated
between a deactivate and an activate.
===========
*/
void IN_Activate (qboolean active)
{
in_appactive = active;
mouseactive = !active; // force a new window check or turn off
}
/*
==================
IN_Frame
Called every frame, even if not generating commands
==================
*/
void IN_Frame (void)
{
if (!mouseinitialized)
return;
if (!in_mouse || !in_appactive)
{
IN_DeactivateMouse ();
return;
}
if ( !cl.refresh_prepped
|| cls.key_dest == key_console
|| cls.key_dest == key_menu)
{
// temporarily deactivate if in fullscreen
if (Cvar_VariableValue ("vid_fullscreen") == 0)
{
IN_DeactivateMouse ();
return;
}
}
IN_ActivateMouse ();
}
/*
===========
IN_Move
===========
*/
void IN_Move (usercmd_t *cmd)
{
IN_MouseMove (cmd);
if (ActiveApp)
IN_JoyMove (cmd);
}
/*
===================
IN_ClearStates
===================
*/
void IN_ClearStates (void)
{
mx_accum = 0;
my_accum = 0;
mouse_oldbuttonstate = 0;
}
/*
=========================================================================
JOYSTICK
=========================================================================
*/
/*
===============
IN_StartupJoystick
===============
*/
void IN_StartupJoystick (void)
{
int numdevs;
JOYCAPS jc;
MMRESULT mmr;
cvar_t *cv;
// assume no joystick
joy_avail = false;
// abort startup if user requests no joystick
cv = Cvar_Get ("in_initjoy", "1", CVAR_NOSET);
if ( !cv->value )
return;
// verify joystick driver is present
if ((numdevs = joyGetNumDevs ()) == 0)
{
// Com_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)
{
Com_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)
{
Com_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;
Com_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;
}
}
/*
===========
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 (strcmp (joy_name->string, "joystick") != 0)
{
// notify user of advanced controller
Com_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_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, 0);
}
if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
{
key_index = (i < 4) ? K_JOY1 : K_AUX1;
Key_Event (key_index + i, false, 0);
}
}
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, 0);
}
if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
{
Key_Event (K_AUX29 + i, false, 0);
}
}
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)
{
return true;
}
else
{
// read error occurred
// turning off the joystick seems too harsh for 1 read error,\
// but what should be done?
// Com_Printf ("IN_ReadJoystick: no response\n");
// joy_avail = false;
return false;
}
}
/*
===========
IN_JoyMove
===========
*/
void IN_JoyMove (usercmd_t *cmd)
{
float speed, aspeed;
float fAxisValue;
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) ^ (int)cl_run->value)
speed = 2;
else
speed = 1;
aspeed = speed * cls.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;
// convert range from -32768..32767 to -1..1
fAxisValue /= 32768.0;
switch (dwAxisMap[i])
{
case AxisForward:
if ((joy_advanced->value == 0.0) && mlooking)
{
// 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;
}
}
}
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 AxisUp:
if (fabs(fAxisValue) > joy_upthreshold->value)
{
cmd->upmove += (fAxisValue * joy_upsensitivity->value) * speed * cl_upspeed->value;
}
break;
case AxisTurn:
if ((in_strafe.state & 1) || (lookstrafe->value && mlooking))
{
// 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 (mlooking)
{
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;
}
}
}
break;
default:
break;
}
}
}