surprise_dungeon/objects/oPlayer/Collision_oMonster.gml

if (pdv <= 0) {
		instance_destroy();
		show_debug_message("game overe");
		// GAME OVER
} else if (inv == 0) {
	pdv--;
	inv = 120;
}

// pushback
knockback = 10;
if (other.x > x && !place_meeting(x-knockback-1, y, oWall)) {
	x -= knockback;
} else if (other.x < x && !place_meeting(x+knockback+1, y, oWall)) {
	x += knockback;
} else if (other.y > y && !place_meeting(x, y-knockback-1, oWall)) {
	y -= knockback;
} else if (other.y < y && !place_meeting(x, y+knockback+1, oWall)) {
	y += knockback;
}