Method remove

plugins/buildingplan/buildingplan.cpp:66–70

note that this just removes the PlannedBuilding. the tasks will get dropped as we discover them in the tasks queues and they fail to be found in planned_buildings. this "lazy" task cleaning algorithm works because there is no way to re-register a building once it has been removed -- if it has been booted out of planned_buildings, then it has either been built or desroyed. therefore there is no cha

// planned_buildings, then it has either been built or desroyed. therefore there is
// no chance of duplicate tasks getting added to the tasks queues.
void PlannedBuilding::remove(color_ostream &out) {
    DEBUG(control,out).print("removing persistent data for building {}\n", id);
    World::DeletePersistentData(bld_config);
    planned_buildings.erase(id);
}

static const int32_t CYCLE_TICKS = 599; // twice per game day
static int32_t cycle_timestamp = 0;  // world->frame_counter at last cycle