+vector project_3d_to_2d(vector vec)
+{
+ vec = cs_project(vec);
+ if(cs_project_is_b0rked > 0)
+ {
+ vec.x *= vid_conwidth / vid_width;
+ vec.y *= vid_conheight / vid_height;
+ }
+ return vec;
+}
+
+bool projected_on_screen(vector screen_pos)
+{
+ return screen_pos.z >= 0
+ && screen_pos.x >= 0
+ && screen_pos.y >= 0
+ && screen_pos.x < vid_conwidth
+ && screen_pos.y < vid_conheight;
+}
+
+void update_mousepos()
+{
+ mousepos += getmousepos() * autocvar_menu_mouse_speed;
+ mousepos.x = bound(0, mousepos.x, vid_conwidth);
+ mousepos.y = bound(0, mousepos.y, vid_conheight);
+}
+