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engine: client: in_joy: implement per-axis gyroscope deadzone support

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Владислав Сухов
2026-04-09 12:00:07 +00:00
committed by a1batross
parent a679c53111
commit 7e015a268b
1 changed files with 34 additions and 1 deletions
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35
engine/client/in_joy.c
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@@ -65,6 +65,9 @@ static CVAR_DEFINE_AUTO( joy_calibrated, "0", FCVAR_READ_ONLY, "tells whether cu
static CVAR_DEFINE_AUTO( joy_gyro_pitch, "1.0", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope sensitivity for looking up and down" );
static CVAR_DEFINE_AUTO( joy_gyro_yaw, "1.0", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope sensitivity for turning left and right" );
static CVAR_DEFINE_AUTO( joy_gyro_roll, "0.0", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope sensitivity when tilting the device sideways" );
static CVAR_DEFINE_AUTO( joy_gyro_pitch_deadzone, "0.5", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope pitch axis deadzone (deg/s)" );
static CVAR_DEFINE_AUTO( joy_gyro_yaw_deadzone, "0.5", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope yaw axis deadzone (deg/s)" );
static CVAR_DEFINE_AUTO( joy_gyro_roll_deadzone, "0.5", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "gyroscope roll axis deadzone (deg/s)" );
static CVAR_DEFINE_AUTO( joy_debug, "0", 0, "visualize gamepad axes and buttons" );
// stores the latest instantaneous gyroscope rotation rates (in rad/s) from platform input
@@ -343,6 +346,13 @@ void Joy_FinalizeMove( float *fw, float *side, float *dpitch, float *dyaw )
float yaw_speed = joy_gyro_speed[1] * ( 180.0f / M_PI );
float roll_speed = joy_gyro_speed[2] * ( 180.0f / M_PI );
if( fabs( pitch_speed ) < joy_gyro_pitch_deadzone.value )
pitch_speed = 0.0f;
if( fabs( yaw_speed ) < joy_gyro_yaw_deadzone.value )
yaw_speed = 0.0f;
if( fabs( roll_speed ) < joy_gyro_roll_deadzone.value )
roll_speed = 0.0f;
*dpitch -= joy_gyro_pitch.value * pitch_speed * host.realframetime;
*dyaw += joy_gyro_yaw.value * yaw_speed * host.realframetime;
*dyaw += joy_gyro_roll.value * roll_speed * host.realframetime;
@@ -467,6 +477,12 @@ void Joy_DrawDebug( void )
if( joy_have_gyro.value )
{
static const char *gyronames[3] = { "GYRO P", "GYRO Y", "GYRO R" };
static const convar_t *const gyro_deadzone[3] =
{
&joy_gyro_pitch_deadzone,
&joy_gyro_yaw_deadzone,
&joy_gyro_roll_deadzone,
};
for( int i = 0; i < 3; i++ )
{
@@ -485,10 +501,22 @@ void Joy_DrawDebug( void )
float filled = fval * halfbar_w;
ref.dllFuncs.FillRGBA( kRenderTransTexture, center + Q_min( 0, filled ), y, fabs( filled ), bar_h, bar_fillcolor[0], bar_fillcolor[1], bar_fillcolor[2], bar_fillcolor[3] );
// deadzone in deg/s; display scale is +-5 rad/s
float fthreshold = gyro_deadzone[i]->value * ( M_PI / 180.0f ) / 5.0f;
fthreshold = bound( 0.0f, fthreshold, 1.0f );
if( fthreshold > 0.0f )
{
float thresh_x = fthreshold * halfbar_w;
ref.dllFuncs.FillRGBA( kRenderTransTexture, center - thresh_x, y, thresh_x * 2, bar_h, 180, 40, 40, 120 );
ref.dllFuncs.FillRGBA( kRenderTransTexture, center + thresh_x, y, 1, bar_h, 255, 200, 0, 220 );
ref.dllFuncs.FillRGBA( kRenderTransTexture, center - thresh_x, y, 1, bar_h, 255, 200, 0, 220 );
}
// mark the center
ref.dllFuncs.FillRGBA( kRenderTransTexture, center, y, 1, bar_h, 180, 180, 180, 220 );
// gyro doesn't have deadzones or prevval like axes
// gyro doesn't have prevval like axes
y += bar_h + 2;
}
}
@@ -572,6 +600,11 @@ void Joy_Init( void )
Cvar_RegisterVariable( &joy_gyro_pitch );
Cvar_RegisterVariable( &joy_gyro_yaw );
Cvar_RegisterVariable( &joy_gyro_roll );
Cvar_RegisterVariable( &joy_gyro_pitch_deadzone );
Cvar_RegisterVariable( &joy_gyro_yaw_deadzone );
Cvar_RegisterVariable( &joy_gyro_roll_deadzone );
Cvar_RegisterVariable( &joy_debug );
// renamed from -nojoy to -noenginejoy to not conflict with