[PATCH 0/1] MR8816: winebus: SDL backend FF effect angle requires 32 bits.

[Rémi Bernon (＠rbernon)]

The max value of a INT16 is 32768, which is less than the 36000
required for a full rotation angle. Change type to INT32 as that
is what the underlying SDL paramerter is.

Rotate by +270 instead of -90 to eliminate negative value fixup too.

Supersedes !8780

[PATCH 1/1] winebus: SDL backend FF effect angle requires 32 bits.

[Tyson Whitehead]

From: Tyson Whitehead

The max value of a INT16 is 32768, which is less than the 36000
required for a full rotation angle. Change type to INT32 as that
is what the underlying SDL paramerter is.

Rotate by +270 instead of -90 to eliminate negative value fixup too.
---
 dlls/winebus.sys/bus_sdl.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/dlls/winebus.sys/bus_sdl.c b/dlls/winebus.sys/bus_sdl.c
index 91cb785fdff..db6e0a304a9 100644
--- a/dlls/winebus.sys/bus_sdl.c
+++ b/dlls/winebus.sys/bus_sdl.c
@@ -652,7 +652,7 @@ 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};
-    INT16 direction;
+    INT32 direction;
     NTSTATUS status;

TRACE("iface %p, index %u, params %p.\n", iface, index, params);
@@ -662,8 +662,7 @@ 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;
+    direction = (params->direction[0] + 27000) % 36000;

switch (params->effect_type)
     {

[PATCH 0/1] MR8816: winebus: SDL backend FF effect angle requires 32 bits. - approved

[Rémi Bernon (＠rbernon)]

This merge request was approved by Rémi Bernon.