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SDL_SetRelativeMouseMode(SDL_TRUE) already does what HalfWarpMouse does 

Also, don't post an ev_mouse event_t if not in relative mouse mode, so the camera doesn't jerk when the mouse enters the window
This commit is contained in:
Monster Iestyn 2017-08-22 22:53:18 +01:00
parent 821a1810f7
commit 36977a5eda
1 changed files with 9 additions and 23 deletions
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32
src/sdl/i_video.c
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@ -611,13 +611,8 @@ static void Impl_HandleKeyboardEvent(SDL_KeyboardEvent evt, Uint32 type)
static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
{
event_t event;
int wwidth, wheight;
if (USE_MOUSEINPUT)
{
SDL_GetWindowSize(window, &wwidth, &wheight);
if ((SDL_GetMouseFocus() != window && SDL_GetKeyboardFocus() != window))
{
SDLdoUngrabMouse();
@ -628,40 +623,31 @@ static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
// add on the offsets so we can make an overall event later.
if (SDL_GetRelativeMouseMode())
{
//event.data2 = evt.xrel;
//event.data3 = -evt.yrel;
if (SDL_GetMouseFocus() == window && SDL_GetKeyboardFocus() == window)
{
mousemovex += evt.xrel; //(INT32)lround( evt.xrel * ((float)wwidth / (float)realwidth));
mousemovey += -evt.yrel; //(INT32)lround(-evt.yrel * ((float)wheight / (float)realheight));
mousemovex += evt.xrel;
mousemovey += -evt.yrel;
SDL_SetWindowGrab(window, SDL_TRUE);
}
return;
}
// If the event is from warping the pointer back to middle
// If the event is from warping the pointer to middle
// of the screen then ignore it.
if ((evt.x == realwidth/2) && (evt.y == realheight/2))
{
return;
}
SDL_memset(&event, 0, sizeof(event_t));
event.type = ev_mouse;
event.data2 = (INT32)lround( evt.xrel * ((float)wwidth / (float)realwidth));
event.data3 = (INT32)lround(-evt.yrel * ((float)wheight / (float)realheight));
event.type = ev_mouse;
// Don't send an event_t if not in relative mouse mode anymore,
// just grab and set relative mode
// this fixes the stupid camera jerk on mouse entering bug
// -- Monster Iestyn
if (SDL_GetMouseFocus() == window && SDL_GetKeyboardFocus() == window)
{
D_PostEvent(&event);
SDL_SetWindowGrab(window, SDL_TRUE);
if (SDL_SetRelativeMouseMode(SDL_TRUE) == 0)
wrapmouseok = SDL_TRUE;
HalfWarpMouse(wwidth, wheight);
if (SDL_SetRelativeMouseMode(SDL_TRUE) == 0) // already warps mouse if successful
wrapmouseok = SDL_TRUE; // TODO: is wrapmouseok or HalfWarpMouse needed anymore?
}
}
}