void ui_core::PushScissor(const Frect& r_tgt, bool overlapped)
{
//. return;
Frect r_top = ScreenRect();
Frect result = r_tgt;
if (!m_Scissors.empty()&&!overlapped){
r_top = m_Scissors.top();
}
if (!result.intersection(r_top,r_tgt))
result.set (0.0f,0.0f,0.0f,0.0f);
if (!(result.x1>=0&&result.y1>=0&&result.x2<=UI_BASE_WIDTH&&result.y2<=UI_BASE_HEIGHT) )
{
Msg("! r_tgt [%.3f][%.3f][%.3f][%.3f]", r_tgt.x1, r_tgt.y1, r_tgt.x2, r_tgt.y2);
Msg("! result [%.3f][%.3f][%.3f][%.3f]", result.x1, result.y1, result.x2, result.y2);
VERIFY(result.x1>=0&&result.y1>=0&&result.x2<=UI_BASE_WIDTH&&result.y2<=UI_BASE_HEIGHT);
}
m_Scissors.push (result);
result.lt.x = ClientToScreenScaledX(result.lt.x);
result.lt.y = ClientToScreenScaledY(result.lt.y);
result.rb.x = ClientToScreenScaledX(result.rb.x);
result.rb.y = ClientToScreenScaledY(result.rb.y);
Irect r;
r.x1 = iFloor(result.x1);
r.x2 = iFloor(result.x2+0.5f);
r.y1 = iFloor(result.y1);
r.y2 = iFloor(result.y2+0.5f);
RCache.set_Scissor (&r);
}
//position and heading for drawing pointer to src pos
bool CUICustomMap::GetPointerTo(const Fvector2& src, float item_radius, Fvector2& pos, float& heading)
{
Frect clip_rect_abs = GetClipperRect(); //absolute rect coords
Frect map_rect_abs;
GetAbsoluteRect(map_rect_abs);
Frect rect;
BOOL res = rect.intersection(clip_rect_abs, map_rect_abs);
if(!res) return false;
rect = clip_rect_abs;
rect.sub(map_rect_abs.lt.x,map_rect_abs.lt.y);
Fbox2 f_clip_rect_local;
f_clip_rect_local.set(rect.x1, rect.y1, rect.x2, rect.y2 );
Fvector2 f_center;
f_clip_rect_local.getcenter(f_center);
Fvector2 f_dir, f_src;
f_src.set(src.x, src.y );
f_dir.sub(f_center, f_src );
f_dir.normalize_safe();
Fvector2 f_intersect_point;
res = f_clip_rect_local.Pick2(f_src,f_dir,f_intersect_point);
VERIFY(res);
heading = -f_dir.getH();
f_intersect_point.mad(f_intersect_point,f_dir,item_radius );
pos.set( iFloor(f_intersect_point.x), iFloor(f_intersect_point.y) );
return true;
}
