halflife-photomode/cl_dll/inputw32.cpp
Joël Troch 91ea9ed318 [HL25] Backport safer strings operations
One exception where Updated's existing work has been kept is in
CHudTextMessage::LocaliseTextString.

See those commits for details:
- d2da2f17fd
- a3aeea468f
2024-08-28 09:58:59 +02:00

1145 lines
26 KiB
C++

//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================
// in_win.c -- windows 95 mouse and joystick code
// 02/21/97 JCB Added extended DirectInput code to support external controllers.
#include <atomic>
#include <condition_variable>
#include <mutex>
#include <thread>
#include "hud.h"
#include "cl_util.h"
#include "camera.h"
#include "kbutton.h"
#include "cvardef.h"
#include "usercmd.h"
#include "const.h"
#include "camera.h"
#include "in_defs.h"
#include "../public/keydefs.h"
#include "view.h"
#include "Exports.h"
#include "PlatformHeaders.h"
#include <SDL2/SDL_mouse.h>
#include <SDL2/SDL_gamecontroller.h>
void IN_ResetMouse();
#define MOUSE_BUTTON_COUNT 5
// Set this to 1 to show mouse cursor. Experimental
bool g_iVisibleMouse = false;
extern cl_enginefunc_t gEngfuncs;
extern bool iMouseInUse;
extern kbutton_t in_strafe;
extern kbutton_t in_mlook;
extern kbutton_t in_speed;
extern kbutton_t in_jlook;
extern cvar_t* m_pitch;
extern cvar_t* m_yaw;
extern cvar_t* m_forward;
extern cvar_t* m_side;
extern cvar_t* lookstrafe;
extern cvar_t* lookspring;
extern cvar_t* cl_pitchdown;
extern cvar_t* cl_pitchup;
extern cvar_t* cl_yawspeed;
extern cvar_t* cl_sidespeed;
extern cvar_t* cl_forwardspeed;
extern cvar_t* cl_pitchspeed;
extern cvar_t* cl_movespeedkey;
static cvar_t* m_rawinput = nullptr;
static bool IN_UseRawInput()
{
return m_rawinput->value != 0;
}
static SDL_bool mouseRelative = SDL_TRUE;
static void IN_SetMouseRelative(bool enable)
{
const SDL_bool value = enable ? SDL_TRUE : SDL_FALSE;
SDL_SetRelativeMouseMode(value);
mouseRelative = value;
}
static bool m_bMouseThread = false;
// mouse variables
cvar_t* m_filter;
cvar_t* sensitivity;
// Custom mouse acceleration (0 disable, 1 to enable, 2 enable with separate yaw/pitch rescale)
static cvar_t* m_customaccel;
//Formula: mousesensitivity = ( rawmousedelta^m_customaccel_exponent ) * m_customaccel_scale + sensitivity
// If mode is 2, then x and y sensitivity are scaled by m_pitch and m_yaw respectively.
// Custom mouse acceleration value.
static cvar_t* m_customaccel_scale;
//Max mouse move scale factor, 0 for no limit
static cvar_t* m_customaccel_max;
//Mouse move is raised to this power before being scaled by scale factor
static cvar_t* m_customaccel_exponent;
// if threaded mouse is enabled then the time to sleep between polls
static cvar_t* m_mousethread_sleep;
int mouse_buttons;
int mouse_oldbuttonstate;
int old_mouse_x, old_mouse_y, mx_accum, my_accum;
float mouse_x, mouse_y;
static bool restore_spi;
static int originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
static bool mouseactive = false;
bool mouseinitialized;
static bool mouseparmsvalid;
static bool mouseshowtoggle = true;
// 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
};
std::uint32_t dwAxisMap[JOY_MAX_AXES];
std::uint32_t dwControlMap[JOY_MAX_AXES];
int pdwRawValue[JOY_MAX_AXES];
std::uint32_t joy_oldbuttonstate, joy_oldpovstate;
int joy_id;
std::uint32_t joy_numbuttons;
SDL_GameController* s_pJoystick = NULL;
// 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;
bool joy_avail, joy_advancedinit, joy_haspov;
/*
===========
Force_CenterView_f
===========
*/
void Force_CenterView_f()
{
Vector viewangles;
if (!iMouseInUse)
{
gEngfuncs.GetViewAngles((float*)viewangles);
viewangles[PITCH] = 0;
gEngfuncs.SetViewAngles((float*)viewangles);
}
}
#ifdef WIN32
struct MouseThread
{
std::thread Thread;
std::mutex Mutex;
std::condition_variable Condition;
bool QuittingTime = false;
};
MouseThread s_MouseThread;
std::atomic<Point> s_mouseDelta;
std::atomic<Point> current_pos;
std::atomic<Point> old_mouse_pos;
Point GetMousePosition()
{
POINT mouse_pos;
GetCursorPos(&mouse_pos);
return {
static_cast<int>(mouse_pos.x),
static_cast<int>(mouse_pos.y)};
}
void MousePos_ThreadFunction()
{
while (true)
{
{
std::unique_lock lock{s_MouseThread.Mutex};
//TODO: accessing the cvar value is a race condition
if (s_MouseThread.Condition.wait_for(
lock,
std::chrono::milliseconds{(int)m_mousethread_sleep->value},
[]()
{ return s_MouseThread.QuittingTime; }))
{
break;
}
}
if (mouseactive)
{
const auto mouse_pos = GetMousePosition();
const auto oldPos = old_mouse_pos.load();
const auto delta = s_mouseDelta.load();
const Point pos{
mouse_pos.x - oldPos.x + delta.x,
mouse_pos.y - oldPos.y + delta.y};
old_mouse_pos = mouse_pos;
s_mouseDelta = pos;
}
}
}
#endif
/*
===========
IN_ActivateMouse
===========
*/
void DLLEXPORT IN_ActivateMouse()
{
if (mouseinitialized)
{
#ifdef WIN32
if (mouseparmsvalid)
restore_spi = SystemParametersInfo(SPI_SETMOUSE, 0, newmouseparms, 0) != FALSE;
#endif
mouseactive = true;
}
if (g_iVisibleMouse
#ifdef WIN32
|| !IN_UseRawInput()
#endif
)
{
IN_SetMouseRelative(false);
}
else
{
IN_SetMouseRelative(true);
}
// Clear out accumulated mouse input from main menu movement.
IN_ResetMouse();
}
/*
===========
IN_DeactivateMouse
===========
*/
void DLLEXPORT IN_DeactivateMouse()
{
if (mouseinitialized)
{
#ifdef WIN32
if (restore_spi)
SystemParametersInfo(SPI_SETMOUSE, 0, originalmouseparms, 0);
#endif
mouseactive = false;
}
IN_SetMouseRelative(false);
}
/*
===========
IN_StartupMouse
===========
*/
void IN_StartupMouse()
{
if (0 != gEngfuncs.CheckParm("-nomouse", NULL))
return;
mouseinitialized = true;
#ifdef WIN32
mouseparmsvalid = SystemParametersInfo(SPI_GETMOUSE, 0, originalmouseparms, 0) != FALSE;
if (mouseparmsvalid)
{
if (0 != gEngfuncs.CheckParm("-noforcemspd", NULL))
newmouseparms[2] = originalmouseparms[2];
if (0 != gEngfuncs.CheckParm("-noforcemaccel", NULL))
{
newmouseparms[0] = originalmouseparms[0];
newmouseparms[1] = originalmouseparms[1];
}
if (0 != gEngfuncs.CheckParm("-noforcemparms", NULL))
{
newmouseparms[0] = originalmouseparms[0];
newmouseparms[1] = originalmouseparms[1];
newmouseparms[2] = originalmouseparms[2];
}
}
#endif
mouse_buttons = MOUSE_BUTTON_COUNT;
}
/*
===========
IN_Shutdown
===========
*/
void IN_Shutdown()
{
IN_DeactivateMouse();
#ifdef WIN32
if (s_MouseThread.Thread.joinable())
{
//Mouse thread is active, signal it to quit and wait.
{
std::lock_guard guard{s_MouseThread.Mutex};
s_MouseThread.QuittingTime = true;
}
s_MouseThread.Condition.notify_one();
s_MouseThread.Thread.join();
}
#endif
}
/*
===========
IN_GetMousePos
Ask for mouse position from engine
===========
*/
void IN_GetMousePos(int* mx, int* my)
{
gEngfuncs.GetMousePosition(mx, my);
}
/*
===========
IN_ResetMouse
FIXME: Call through to engine?
===========
*/
void IN_ResetMouse()
{
// no work to do in SDL
#ifdef WIN32
if (IN_UseRawInput() && !g_iVisibleMouse)
{
IN_SetMouseRelative(true);
}
if (!IN_UseRawInput() && mouseactive && gEngfuncs.GetWindowCenterX && gEngfuncs.GetWindowCenterY)
{
SetCursorPos(gEngfuncs.GetWindowCenterX(), gEngfuncs.GetWindowCenterY());
const Point center{gEngfuncs.GetWindowCenterX(), gEngfuncs.GetWindowCenterY()};
old_mouse_pos = center;
}
#endif
}
/*
===========
IN_MouseEvent
===========
*/
void DLLEXPORT IN_MouseEvent(int mstate)
{
int i;
if (iMouseInUse || g_iVisibleMouse)
return;
// perform button actions
for (i = 0; i < mouse_buttons; i++)
{
if ((mstate & (1 << i)) != 0 &&
(mouse_oldbuttonstate & (1 << i)) == 0)
{
gEngfuncs.Key_Event(K_MOUSE1 + i, 1);
}
if ((mstate & (1 << i)) == 0 &&
(mouse_oldbuttonstate & (1 << i)) != 0)
{
gEngfuncs.Key_Event(K_MOUSE1 + i, 0);
}
}
mouse_oldbuttonstate = mstate;
}
//-----------------------------------------------------------------------------
// Purpose: Allows modulation of mouse scaling/senstivity value and application
// of custom algorithms.
// Input : *x -
// *y -
//-----------------------------------------------------------------------------
void IN_ScaleMouse(float* x, float* y)
{
float mx = *x;
float my = *y;
// This is the default sensitivity
float mouse_senstivity = (gHUD.GetSensitivity() != 0) ? gHUD.GetSensitivity() : sensitivity->value;
// Using special accleration values
if (m_customaccel->value != 0)
{
float raw_mouse_movement_distance = sqrt(mx * mx + my * my);
float acceleration_scale = m_customaccel_scale->value;
float accelerated_sensitivity_max = m_customaccel_max->value;
float accelerated_sensitivity_exponent = m_customaccel_exponent->value;
float accelerated_sensitivity = ((float)pow(raw_mouse_movement_distance, accelerated_sensitivity_exponent) * acceleration_scale + mouse_senstivity);
if (accelerated_sensitivity_max > 0.0001f &&
accelerated_sensitivity > accelerated_sensitivity_max)
{
accelerated_sensitivity = accelerated_sensitivity_max;
}
*x *= accelerated_sensitivity;
*y *= accelerated_sensitivity;
// Further re-scale by yaw and pitch magnitude if user requests alternate mode 2
// This means that they will need to up their value for m_customaccel_scale greatly (>40x) since m_pitch/yaw default
// to 0.022
if (m_customaccel->value == 2)
{
*x *= m_yaw->value;
*y *= m_pitch->value;
}
}
else
{
// Just apply the default
*x *= mouse_senstivity;
*y *= mouse_senstivity;
}
}
/*
===========
IN_MouseMove
===========
*/
void IN_MouseMove(float frametime, usercmd_t* cmd)
{
Point pos;
Vector viewangles;
gEngfuncs.GetViewAngles((float*)viewangles);
if ((in_mlook.state & 1) != 0)
{
V_StopPitchDrift();
}
//jjb - this disbles normal mouse control if the user is trying to
// move the camera, or if the mouse cursor is visible or if we're in intermission
if (!iMouseInUse && !gHUD.m_iIntermission && !g_iVisibleMouse)
{
int deltaX, deltaY;
#ifdef WIN32
if (!IN_UseRawInput())
{
if (m_bMouseThread)
{
current_pos = s_mouseDelta.load();
s_mouseDelta = Point{};
}
else
{
current_pos = GetMousePosition();
}
}
else
#endif
{
SDL_GetRelativeMouseState(&deltaX, &deltaY);
#ifdef WIN32
current_pos = {deltaX, deltaY};
#endif
}
#ifdef WIN32
if (!IN_UseRawInput())
{
pos = current_pos.load();
if (!m_bMouseThread)
{
pos.x = pos.x - gEngfuncs.GetWindowCenterX() + mx_accum;
pos.y = pos.y - gEngfuncs.GetWindowCenterY() + my_accum;
}
}
else
#endif
{
pos.x = deltaX + mx_accum;
pos.y = deltaY + my_accum;
}
mx_accum = 0;
my_accum = 0;
if (m_filter && 0 != m_filter->value)
{
mouse_x = (pos.x + old_mouse_x) * 0.5;
mouse_y = (pos.y + old_mouse_y) * 0.5;
}
else
{
mouse_x = pos.x;
mouse_y = pos.y;
}
old_mouse_x = pos.x;
old_mouse_y = pos.y;
// Apply custom mouse scaling/acceleration
IN_ScaleMouse(&mouse_x, &mouse_y);
// add mouse X/Y movement to cmd
if ((in_strafe.state & 1) != 0 || (0 != lookstrafe->value && (in_mlook.state & 1) != 0))
cmd->sidemove += m_side->value * mouse_x;
else
viewangles[YAW] -= m_yaw->value * mouse_x;
if ((in_mlook.state & 1) != 0 && (in_strafe.state & 1) == 0)
{
viewangles[PITCH] += m_pitch->value * mouse_y;
if (viewangles[PITCH] > cl_pitchdown->value)
viewangles[PITCH] = cl_pitchdown->value;
if (viewangles[PITCH] < -cl_pitchup->value)
viewangles[PITCH] = -cl_pitchup->value;
}
else
{
if ((in_strafe.state & 1) != 0 && 0 != gEngfuncs.IsNoClipping())
{
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 (0 != pos.x || 0 != pos.y)
{
IN_ResetMouse();
}
}
gEngfuncs.SetViewAngles((float*)viewangles);
#ifdef WIN32
if ((!IN_UseRawInput() && SDL_FALSE != mouseRelative) || g_iVisibleMouse)
{
IN_SetMouseRelative(false);
}
else if (IN_UseRawInput() && SDL_FALSE == mouseRelative)
{
IN_SetMouseRelative(true);
}
#endif
/*
//#define TRACE_TEST
#if defined( TRACE_TEST )
{
int mx, my;
void V_Move( int mx, int my );
IN_GetMousePos( &mx, &my );
V_Move( mx, my );
}
#endif
*/
}
/*
===========
IN_Accumulate
===========
*/
void DLLEXPORT IN_Accumulate()
{
//only accumulate mouse if we are not moving the camera with the mouse
if (!iMouseInUse && !g_iVisibleMouse)
{
if (mouseactive)
{
#ifdef WIN32
if (!IN_UseRawInput())
{
if (!m_bMouseThread)
{
const auto pos = GetMousePosition();
current_pos = pos;
mx_accum += pos.x - gEngfuncs.GetWindowCenterX();
my_accum += pos.y - gEngfuncs.GetWindowCenterY();
}
}
else
#endif
{
int deltaX, deltaY;
SDL_GetRelativeMouseState(&deltaX, &deltaY);
mx_accum += deltaX;
my_accum += deltaY;
}
// force the mouse to the center, so there's room to move
IN_ResetMouse();
}
}
}
/*
===================
IN_ClearStates
===================
*/
void DLLEXPORT IN_ClearStates()
{
if (!mouseactive)
return;
mx_accum = 0;
my_accum = 0;
mouse_oldbuttonstate = 0;
}
/*
===============
IN_StartupJoystick
===============
*/
void IN_StartupJoystick()
{
// abort startup if user requests no joystick
if (0 != gEngfuncs.CheckParm("-nojoy", NULL))
return;
// assume no joystick
joy_avail = false;
int nJoysticks = SDL_NumJoysticks();
if (nJoysticks > 0)
{
for (int i = 0; i < nJoysticks; i++)
{
if (SDL_FALSE != SDL_IsGameController(i))
{
s_pJoystick = SDL_GameControllerOpen(i);
if (s_pJoystick)
{
//save the joystick's number of buttons and POV status
joy_numbuttons = SDL_CONTROLLER_BUTTON_MAX;
joy_haspov = false;
// 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
gEngfuncs.Con_Printf("joystick found %s\n\n", SDL_GameControllerName(s_pJoystick));
joy_avail = true;
joy_advancedinit = false;
break;
}
}
}
}
else
{
gEngfuncs.Con_DPrintf("joystick not found -- driver not present\n\n");
}
}
int RawValuePointer(int axis)
{
switch (axis)
{
default:
case JOY_AXIS_X:
return SDL_GameControllerGetAxis(s_pJoystick, SDL_CONTROLLER_AXIS_LEFTX);
case JOY_AXIS_Y:
return SDL_GameControllerGetAxis(s_pJoystick, SDL_CONTROLLER_AXIS_LEFTY);
case JOY_AXIS_Z:
return SDL_GameControllerGetAxis(s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTX);
case JOY_AXIS_R:
return SDL_GameControllerGetAxis(s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTY);
}
}
/*
===========
Joy_AdvancedUpdate_f
===========
*/
void Joy_AdvancedUpdate_f()
{
// called once by IN_ReadJoystick and by user whenever an update is needed
// cvars are now available
int i;
std::uint32_t 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
gEngfuncs.Con_Printf("\n%s configured\n\n", joy_name->string);
}
// advanced initialization here
// data supplied by user via joy_axisn cvars
dwTemp = (std::uint32_t)joy_advaxisx->value;
dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (std::uint32_t)joy_advaxisy->value;
dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (std::uint32_t)joy_advaxisz->value;
dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (std::uint32_t)joy_advaxisr->value;
dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (std::uint32_t)joy_advaxisu->value;
dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
dwTemp = (std::uint32_t)joy_advaxisv->value;
dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
}
}
/*
===========
IN_Commands
===========
*/
void IN_Commands()
{
int i, key_index;
if (!joy_avail)
{
return;
}
std::uint32_t buttonstate, povstate;
// loop through the joystick buttons
// key a joystick event or auxillary event for higher number buttons for each state change
buttonstate = 0;
for (i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++)
{
if (0 != SDL_GameControllerGetButton(s_pJoystick, (SDL_GameControllerButton)i))
{
buttonstate |= 1 << i;
}
}
for (i = 0; i < JOY_MAX_AXES; i++)
{
pdwRawValue[i] = RawValuePointer(i);
}
for (i = 0; i < (int)joy_numbuttons; i++)
{
if ((buttonstate & (1 << i)) != 0 && (joy_oldbuttonstate & (1 << i)) == 0)
{
key_index = (i < 4) ? K_JOY1 : K_AUX1;
gEngfuncs.Key_Event(key_index + i, 1);
}
if ((buttonstate & (1 << i)) == 0 && (joy_oldbuttonstate & (1 << i)) != 0)
{
key_index = (i < 4) ? K_JOY1 : K_AUX1;
gEngfuncs.Key_Event(key_index + i, 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;
// determine which bits have changed and key an auxillary event for each change
for (i = 0; i < 4; i++)
{
if ((povstate & (1 << i)) != 0 && (joy_oldpovstate & (1 << i)) == 0)
{
gEngfuncs.Key_Event(K_AUX29 + i, 1);
}
if ((povstate & (1 << i)) == 0 && (joy_oldpovstate & (1 << i)) != 0)
{
gEngfuncs.Key_Event(K_AUX29 + i, 0);
}
}
joy_oldpovstate = povstate;
}
}
/*
===============
IN_ReadJoystick
===============
*/
bool IN_ReadJoystick()
{
SDL_JoystickUpdate();
return true;
}
/*
===========
IN_JoyMove
===========
*/
void IN_JoyMove(float frametime, usercmd_t* cmd)
{
float speed, aspeed;
float fAxisValue, fTemp;
int i;
Vector viewangles;
gEngfuncs.GetViewAngles((float*)viewangles);
// complete initialization if first time in
// this is needed as cvars are not available at initialization time
if (!joy_advancedinit)
{
Joy_AdvancedUpdate_f();
joy_advancedinit = true;
}
// verify joystick is available and that the user wants to use it
if (!joy_avail || 0 == in_joystick->value)
{
return;
}
// collect the joystick data, if possible
if (!IN_ReadJoystick())
{
return;
}
if ((in_speed.state & 1) != 0)
speed = cl_movespeedkey->value;
else
speed = 1;
aspeed = speed * 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];
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(fabs(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_jlook.state & 1) != 0)
{
// 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 0)
if (m_pitch->value < 0.0)
{
viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value;
}
else
{
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) != 0 || (0 != lookstrafe->value && (in_jlook.state & 1) != 0))
{
// 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)
{
viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * aspeed * cl_yawspeed->value;
}
else
{
viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * speed * 180.0;
}
}
}
break;
case AxisLook:
if ((in_jlook.state & 1) != 0)
{
if (fabs(fAxisValue) > joy_pitchthreshold->value)
{
// pitch movement detected and pitch movement desired by user
if (dwControlMap[i] == JOY_ABSOLUTE_AXIS)
{
viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value;
}
else
{
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 (viewangles[PITCH] > cl_pitchdown->value)
viewangles[PITCH] = cl_pitchdown->value;
if (viewangles[PITCH] < -cl_pitchup->value)
viewangles[PITCH] = -cl_pitchup->value;
gEngfuncs.SetViewAngles((float*)viewangles);
}
/*
===========
IN_Move
===========
*/
void IN_Move(float frametime, usercmd_t* cmd)
{
if (!iMouseInUse && mouseactive)
{
IN_MouseMove(frametime, cmd);
}
IN_JoyMove(frametime, cmd);
}
/*
===========
IN_Init
===========
*/
void IN_Init()
{
m_filter = gEngfuncs.pfnRegisterVariable("m_filter", "0", FCVAR_ARCHIVE);
sensitivity = gEngfuncs.pfnRegisterVariable("sensitivity", "3", FCVAR_ARCHIVE); // user mouse sensitivity setting.
in_joystick = gEngfuncs.pfnRegisterVariable("joystick", "0", FCVAR_ARCHIVE);
joy_name = gEngfuncs.pfnRegisterVariable("joyname", "joystick", 0);
joy_advanced = gEngfuncs.pfnRegisterVariable("joyadvanced", "0", 0);
joy_advaxisx = gEngfuncs.pfnRegisterVariable("joyadvaxisx", "0", 0);
joy_advaxisy = gEngfuncs.pfnRegisterVariable("joyadvaxisy", "0", 0);
joy_advaxisz = gEngfuncs.pfnRegisterVariable("joyadvaxisz", "0", 0);
joy_advaxisr = gEngfuncs.pfnRegisterVariable("joyadvaxisr", "0", 0);
joy_advaxisu = gEngfuncs.pfnRegisterVariable("joyadvaxisu", "0", 0);
joy_advaxisv = gEngfuncs.pfnRegisterVariable("joyadvaxisv", "0", 0);
joy_forwardthreshold = gEngfuncs.pfnRegisterVariable("joyforwardthreshold", "0.15", 0);
joy_sidethreshold = gEngfuncs.pfnRegisterVariable("joysidethreshold", "0.15", 0);
joy_pitchthreshold = gEngfuncs.pfnRegisterVariable("joypitchthreshold", "0.15", 0);
joy_yawthreshold = gEngfuncs.pfnRegisterVariable("joyyawthreshold", "0.15", 0);
joy_forwardsensitivity = gEngfuncs.pfnRegisterVariable("joyforwardsensitivity", "-1.0", 0);
joy_sidesensitivity = gEngfuncs.pfnRegisterVariable("joysidesensitivity", "-1.0", 0);
joy_pitchsensitivity = gEngfuncs.pfnRegisterVariable("joypitchsensitivity", "1.0", 0);
joy_yawsensitivity = gEngfuncs.pfnRegisterVariable("joyyawsensitivity", "-1.0", 0);
joy_wwhack1 = gEngfuncs.pfnRegisterVariable("joywwhack1", "0.0", 0);
joy_wwhack2 = gEngfuncs.pfnRegisterVariable("joywwhack2", "0.0", 0);
m_customaccel = gEngfuncs.pfnRegisterVariable("m_customaccel", "0", FCVAR_ARCHIVE);
m_customaccel_scale = gEngfuncs.pfnRegisterVariable("m_customaccel_scale", "0.04", FCVAR_ARCHIVE);
m_customaccel_max = gEngfuncs.pfnRegisterVariable("m_customaccel_max", "0", FCVAR_ARCHIVE);
m_customaccel_exponent = gEngfuncs.pfnRegisterVariable("m_customaccel_exponent", "1", FCVAR_ARCHIVE);
#ifdef WIN32
m_rawinput = gEngfuncs.pfnGetCvarPointer("m_rawinput");
m_bMouseThread = gEngfuncs.CheckParm("-mousethread", NULL) != NULL;
m_mousethread_sleep = gEngfuncs.pfnRegisterVariable("m_mousethread_sleep", "10", FCVAR_ARCHIVE);
if (!IN_UseRawInput() && m_bMouseThread && m_mousethread_sleep)
{
s_mouseDelta = Point{};
s_MouseThread.Thread = std::thread{&MousePos_ThreadFunction};
}
#endif
gEngfuncs.pfnAddCommand("force_centerview", Force_CenterView_f);
gEngfuncs.pfnAddCommand("joyadvancedupdate", Joy_AdvancedUpdate_f);
IN_StartupMouse();
IN_StartupJoystick();
}