void (*post_change_function)(int x, int y);
short actual_trigger_element; // element that actually triggered change
+ int actual_trigger_x; // element x position that triggered change
+ int actual_trigger_y; // element y position that triggered change
int actual_trigger_side; // element side that triggered the change
int actual_trigger_player; // player which actually triggered change
int actual_trigger_player_bits; // player bits of triggering players