Esempio n. 1
0
        public FillSearcher(FillSearcher other)
        {
            searchQueue  = new Queue <NodeBase>(other.searchQueue);
            visitedNodes = new List <NodeBase>(other.visitedNodes);
            lockedNodes  = new List <NodeBase>(other.lockedNodes);

            isNew = other.isNew;
        }
Esempio n. 2
0
        private (Inventory, WaveLog) SearchBeatable(NodeBase baseNode, NodeBase startNode, NodeBase endNode, List <NodeBase> keyNodes, Inventory anInventory, LogLayer detailedLog)
        {
            var localLog = detailedLog.AddChild("Search");

            localLog.AddChild($"Start Node: {startNode.Name()}");
            localLog.AddChild($"End Node: {endNode.Name()}");

            var log = new WaveLog();

            var currentSearcher = new FillSearcher();

            var reachableKeys = new List <NodeBase>();

            var stepCount = 1;

            while (true)
            {
                var stepLog = localLog.AddChild($"Step {stepCount++}");
                stepLog.AddChild(anInventory.GetKeyLog());

                reachableKeys.RemoveAll(node => anInventory.myNodes.Contains(node));
                reachableKeys.AddRange(currentSearcher.ContinueSearch(startNode, anInventory, node => (node is KeyNode) && !anInventory.myNodes.Contains(node)));

                stepLog.AddChild("Reachable Keys", reachableKeys.Select(key => GetNodeWithKeyName(key)));

                globalReachable = globalReachable.Union(reachableKeys).ToList();

                if (VerifyGoal(startNode, endNode, keyNodes, anInventory) || (baseNode != null && PathExists(startNode, baseNode, anInventory)))
                {
                    stepLog.AddChild("Goal verified");
                    return(anInventory, log);
                }

                var retracableKeys = reachableKeys.AsParallel().Where(node => node == endNode || PathExists(node, startNode, anInventory.Expand(node))).ToList();

                stepLog.AddChild("Retracable Keys", retracableKeys.Select(key => GetNodeWithKeyName(key)));

                if (retracableKeys.Any())
                {
                    log.AddLive(new List <NodeBase>(retracableKeys));
                    anInventory.myNodes.AddRange(retracableKeys);
                }
                else
                {
                    var redundantNodes = new List <NodeBase>();
                    for (int i = 0; i < reachableKeys.Count(); i++)
                    {
                        for (int j = 0; j < reachableKeys.Count; j++)
                        {
                            if (reachableKeys[i] != reachableKeys[j] &&
                                !redundantNodes.Contains(reachableKeys[i]) &&
                                !redundantNodes.Contains(reachableKeys[j]) &&
                                PathExists(reachableKeys[i], reachableKeys[j], anInventory))
                            {
                                redundantNodes.Add(reachableKeys[j]);
                            }
                        }
                    }

                    var relevantNodes = reachableKeys.Where(node => !redundantNodes.Contains(node));

                    if (redundantNodes.Any())
                    {
                        stepLog.AddChild("Redundant Keys", redundantNodes.Select(key => key.Name()));
                        stepLog.AddChild("Relevant Keys", relevantNodes.Select(key => key.Name()));
                    }

                    bool continuation = false;
                    foreach (var key in relevantNodes)
                    {
                        var(newInv, newLog) = SearchBeatable(baseNode ?? startNode, key, endNode, keyNodes, new Inventory(anInventory), stepLog);
                        if (newInv != null)
                        {
                            stepLog.AddChild("Search succeeded");

                            log.AddLive(newLog);
                            log.ClearDead();

                            anInventory = newInv;

                            continuation = true;

                            break;
                        }
                        else
                        {
                            log.AddDead(newLog);
                        }
                    }

                    if (!continuation)
                    {
                        stepLog.AddChild("All Searches failed");
                        return(null, log);
                    }
                }
            }
        }