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IN_MapRange slight optimization

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This commit is contained in:
Jaime Moreira 2022-08-25 21:07:53 -04:00
parent c6dd713c89
commit 2ee5d7b479
1 changed files with 5 additions and 5 deletions
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10
src/client/input/sdl.c
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@ -894,12 +894,12 @@ IN_StickMagnitude(thumbstick_t stick)
}
/*
* Scaling to represent a value in a certain input range, on a different output range
* Scales "v" from [deadzone, 1] range to [0, 1] range, then inherits sign
*/
static float
IN_MapRange(float v, float old_min, float old_max, float new_min, float new_max)
IN_MapRange(float v, float deadzone, float sign)
{
return new_min + ((new_max - new_min) * (v - old_min) / (old_max - old_min));
return ((v - deadzone) / (1 - deadzone)) * sign;
}
/*
@ -940,11 +940,11 @@ IN_SlopedAxialDeadzone(thumbstick_t stick, float deadzone)
if (abs_x > deadzone_x)
{
result.x = sign_x * IN_MapRange(abs_x, deadzone_x, 1, 0, 1);
result.x = IN_MapRange(abs_x, deadzone_x, sign_x);
}
if (abs_y > deadzone_y)
{
result.y = sign_y * IN_MapRange(abs_y, deadzone_y, 1, 0, 1);
result.y = IN_MapRange(abs_y, deadzone_y, sign_y);
}
return result;