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Moved lrounding of mouse motion events to the actual point an event is made

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Also did some cleanup and moving around, as well as adding comments
This commit is contained in:
Monster Iestyn 2017-08-21 21:38:29 +01:00
parent 10cbe2c82b
commit 821a1810f7
1 changed files with 24 additions and 15 deletions
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39
src/sdl/i_video.c
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@ -107,6 +107,9 @@ static SDL_bool disable_mouse = SDL_FALSE;
// first entry in the modelist which is not bigger than MAXVIDWIDTHxMAXVIDHEIGHT
static INT32 firstEntry = 0;
// Total mouse motion X/Y offsets
static INT32 mousemovex = 0, mousemovey = 0;
// SDL vars
static SDL_Surface *vidSurface = NULL;
static SDL_Surface *bufSurface = NULL;
@ -606,8 +609,6 @@ static void Impl_HandleKeyboardEvent(SDL_KeyboardEvent evt, Uint32 type)
if (event.data1) D_PostEvent(&event);
}
static INT32 mousemovex, mousemovey;
static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
{
event_t event;
@ -623,30 +624,34 @@ static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
return;
}
// If using relative mouse mode, don't post an event_t just now,
// 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 += (INT32)lround( evt.xrel * ((float)wwidth / (float)realwidth));
mousemovey += (INT32)lround(-evt.yrel * ((float)wheight / (float)realheight));
mousemovex += evt.xrel; //(INT32)lround( evt.xrel * ((float)wwidth / (float)realwidth));
mousemovey += -evt.yrel; //(INT32)lround(-evt.yrel * ((float)wheight / (float)realheight));
SDL_SetWindowGrab(window, SDL_TRUE);
}
return;
}
SDL_memset(&event, 0, sizeof(event_t));
// If the event is from warping the pointer back to middle
// of the screen then ignore it.
if ((evt.x == realwidth/2) && (evt.y == realheight/2))
{
return;
}
else
{
event.data2 = (INT32)lround((evt.xrel) * ((float)wwidth / (float)realwidth));
event.data3 = (INT32)lround(-evt.yrel * ((float)wheight / (float)realheight));
}
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;
@ -805,13 +810,14 @@ void I_GetEvent(void)
// We only want the first motion event,
// otherwise we'll end up catching the warp back to center.
//int mouseMotionOnce = 0;
mousemovex = mousemovey = 0;
if (!graphics_started)
{
return;
}
mousemovex = mousemovey = 0;
while (SDL_PollEvent(&evt))
{
switch (evt.type)
@ -849,14 +855,17 @@ void I_GetEvent(void)
}
}
// Send all relative mouse movement as one single mouse event.
if (mousemovex || mousemovey)
{
event_t event;
SDL_memset(&event, 0, sizeof(event_t));
int wwidth, wheight;
SDL_GetWindowSize(window, &wwidth, &wheight);
//SDL_memset(&event, 0, sizeof(event_t));
event.type = ev_mouse;
event.data1 = 0;
event.data2 = mousemovex;
event.data3 = mousemovey;
event.data2 = (INT32)lround(mousemovex * ((float)wwidth / (float)realwidth));
event.data3 = (INT32)lround(mousemovey * ((float)wheight / (float)realheight));
D_PostEvent(&event);
}