protected override List <WorldState> ExpandOneAgent(List <WorldState> intermediateNodes, int agentIndex) { if (this.alreadyExpanded == true) // Necessary because after expansion, the generated nodes have an incremented agentTurn that once again equals agentIndex // and because it's possible that a node may have valid children that aren't already in the closed list { return(intermediateNodes); // Do nothing to this agent } WorldStateWithOD parent = (WorldStateWithOD)intermediateNodes[0]; if (agentIndex < parent.agentTurn) { return(intermediateNodes); // Do nothing to this agent } var generated = base.ExpandOneAgent(intermediateNodes, agentIndex); int childAgentTurn = ((parent.agentTurn + 1) % (this.instance.m_vAgents.Length)); foreach (var node in generated) { WorldStateWithOD childNode = (WorldStateWithOD)node; childNode.agentTurn = childAgentTurn; // Makespan increases only if this is the move of the first agent if (parent.agentTurn != 0) { childNode.makespan--; // Cancel the increment in base } } this.alreadyExpanded = true; return(generated); }
public WorldStateWithOD(WorldStateWithOD cpy) : base(cpy) { this.agentTurn = cpy.agentTurn; }