When using SDL input for mouse, ignore the first nonzero XY offset, as it appears it's a large jump from whatever SDL is using as its initial mouse position. Fixes the problem of the odd warp in the view angles the first time the mouse is touched.
Some cleanup in p_user.c.
View differences
When using SDL input for mouse, ignore the first nonzero XY offset, as it appears it's a large jump from whatever SDL is using as its initial mouse position. Fixes the problem of the odd warp in the view angles the first time the mouse is touched.
Some cleanup in p_user.c.