protected StandardEntity retrieveEntity(EntityID id, StandardWorldModel worldModel) {
StandardEntity entity = worldModel.getEntity(id);
if (entity == null) {
throw new IllegalArgumentException("Could not find entity in world model: " + id);
}
return entity;
}
private void computeBlocks(StandardWorldModel model) {
for (EntityID areaID : pathIds) {
// Skip non-area parts
StandardEntity e = model.getEntity(areaID);
if (!(e instanceof Area)) {
continue;
}
// Find blockades and add them if their cost is > 0 (removed blockades may remain here
// with a cost of 0)
Area area = (Area) e;
if (area.isBlockadesDefined()) {
for (EntityID blockadeID : area.getBlockades()) {
Blockade blockade = (Blockade) model.getEntity(blockadeID);
if (blockade.getRepairCost() > 0) {
pathBlocks.add(blockade);
}
}
}
}
}