+ int new_dx = vp_door_1->x;
+ int new_dy = vp_door_1->y;
+ int new_dxsize = vp_door_1->width;
+ int new_dysize = vp_door_1->height;
+ int new_vx = vp_door_2->x;
+ int new_vy = vp_door_2->y;
+ int new_vxsize = vp_door_2->width;
+ int new_vysize = vp_door_2->height;
+
+ boolean playfield_viewport_has_changed =
+ (new_real_sx != REAL_SX ||
+ new_real_sy != REAL_SY ||
+ new_full_sxsize != FULL_SXSIZE ||
+ new_full_sysize != FULL_SYSIZE);
+
+ boolean door_1_viewport_has_changed =
+ (new_dx != DX ||
+ new_dy != DY ||
+ new_dxsize != DXSIZE ||
+ new_dysize != DYSIZE);
+
+ boolean door_2_viewport_has_changed =
+ (new_vx != VX ||
+ new_vy != VY ||
+ new_vxsize != VXSIZE ||
+ new_vysize != VYSIZE ||
+ game_status_last == GAME_MODE_EDITOR);