private TaskState Consume(Dwarf d, float dt)
{
if (d.GetHoldingWorldObject() == null)
throw new Exception("Dwarf does not carry any tool");
if (d.GetHoldingWorldObject().GetType().IsSubclassOf(typeof(Tool)) == false)
throw new Exception("Dwarf tried to consume something that was not tool");
Tool tool = (Tool)d.RemoveHoldingWorldObject();
d.ConsumeTool(tool);
return TaskState.PersonalSuccess;
}
