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Translate conditional effect direction instead of hardcoding it to 0

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Provious code wrongly assumed that direction is not an important part
of conditional effect. Moreover, if there's need to hardcode polar
direction, the default should be 0x4000 (north).

For one axis affects, a direction of 0 means complete lack of force, if
a FFB-enabled device takes direction into force calculation. A sine function
graph can be used to represent the resulting forces where X is the input
direction and Y is the force multiplier (360 degrees equals to 1).

This fixes conditional effect playback on Moza Racing devices, which do
not ignore direction field.
This commit is contained in:
Tomasz Pakuła 2025-01-20 23:15:42 +01:00 • committed by Sam Lantinga
parent b476695e67
commit c6c7469708
2 changed files with 4 additions and 2 deletions
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2
include/SDL3/SDL_haptic.h
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@ -710,7 +710,7 @@ typedef struct SDL_HapticCondition
/* Header */
Uint16 type; /**< SDL_HAPTIC_SPRING, SDL_HAPTIC_DAMPER,
SDL_HAPTIC_INERTIA or SDL_HAPTIC_FRICTION */
SDL_HapticDirection direction; /**< Direction of the effect - Not used ATM. */
SDL_HapticDirection direction; /**< Direction of the effect. */
/* Replay */
Uint32 length; /**< Duration of the effect. */