Matthias Gorzellik : winebus.sys: Fix rotation for angles < 90deg.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 415d7098febfbc80b6239c0873837e94552de90b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/415d7098febfbc80b6239c0873837e9...

Author: Matthias Gorzellik 
Date:   Wed Jul 10 15:57:32 2024 +0200

winebus.sys: Fix rotation for angles < 90deg.

---

dlls/winebus.sys/bus_sdl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/winebus.sys/bus_sdl.c b/dlls/winebus.sys/bus_sdl.c
index 2a60f112a83..71f91162fb1 100644
--- a/dlls/winebus.sys/bus_sdl.c
+++ b/dlls/winebus.sys/bus_sdl.c
@@ -661,7 +661,7 @@ static NTSTATUS sdl_device_physical_effect_update(struct unix_device *iface, BYT
     struct sdl_device *impl = impl_from_unix_device(iface);
     int id = impl->effect_ids[index];
     SDL_HapticEffect effect = {0};
-    UINT16 direction;
+    INT16 direction;
     NTSTATUS status;

TRACE("iface %p, index %u, params %p.\n", iface, index, params);
@@ -672,6 +672,7 @@ static NTSTATUS sdl_device_physical_effect_update(struct unix_device *iface, BYT
     /* The first direction we get from PID is in polar coordinate space, so we need to
      * remove 90° to make it match SDL spherical coordinates. */
     direction = (params->direction[0] - 9000) % 36000;
+    if (direction < 0) direction += 36000;

switch (params->effect_type)
     {