private boolean canOutputResult(EntityRef workstation, String resultObject) {
EntityRef resultItem = createResultItem(resultObject);
try {
for (int outputSlot : WorkstationInventoryUtils.getAssignedSlots(workstation, "OUTPUT")) {
if (InventoryUtils.canStackInto(
resultItem, InventoryUtils.getItemAt(workstation, outputSlot))) {
return true;
}
}
} finally {
resultItem.destroy();
}
return false;
}
@Override
public boolean validateBeforeStart(
EntityRef instigator, EntityRef workstation, EntityRef processEntity) {
if (!workstation.hasComponent(WorkstationInventoryComponent.class)) {
return false;
}
// Defer the heat calculation until it is actually needed
Float heat = null;
for (int slot : WorkstationInventoryUtils.getAssignedSlots(workstation, "INPUT")) {
HeatProcessedComponent processed =
InventoryUtils.getItemAt(workstation, slot).getComponent(HeatProcessedComponent.class);
if (processed != null) {
float heatRequired = processed.heatRequired;
if (heat == null) {
heat =
HeatUtils.calculateHeatForEntity(
workstation, CoreRegistry.get(BlockEntityRegistry.class));
}
if (heatRequired <= heat) {
final String result =
processed.blockResult != null ? processed.blockResult : processed.itemResult;
if (canOutputResult(workstation, result)) {
processEntity.addComponent(new SpecificInputSlotComponent(slot));
processEntity.addComponent(new OutputTypeComponent(result));
return true;
}
}
}
}
return false;
}
@Override
public long getDuration(EntityRef instigator, EntityRef workstation, EntityRef processEntity) {
SpecificInputSlotComponent input = processEntity.getComponent(SpecificInputSlotComponent.class);
HeatProcessedComponent component =
InventoryUtils.getItemAt(workstation, input.slot)
.getComponent(HeatProcessedComponent.class);
return component.processingTime;
}
@Override
public void executeStart(EntityRef instigator, EntityRef workstation, EntityRef processEntity) {
SpecificInputSlotComponent input = processEntity.getComponent(SpecificInputSlotComponent.class);
EntityRef item = InventoryUtils.getItemAt(workstation, input.slot);
CoreRegistry.get(InventoryManager.class).removeItem(workstation, instigator, item, true, 1);
}