/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
IController sender = actionInput.Controller;
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// Rule: Do we have an item matching in our inventory?
// @@@ TODO: Support drinking from, for instance, a fountain sitting in the room.
string itemIdentifier = actionInput.Tail.Trim();
this.thingToDrink = sender.Thing.FindChild(itemIdentifier.ToLower());
if (this.thingToDrink == null)
{
return "You do not hold " + actionInput.Tail.Trim() + ".";
}
// Rule: Is the item drinkable?
this.drinkableBehavior = this.thingToDrink.Behaviors.FindFirst<DrinkableBehavior>();
if (this.drinkableBehavior == null)
{
return itemIdentifier + " is not drinkable";
}
return null;
}
/// <summary>Prepare for, and determine if the command's prerequisites have been met.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// Rule: Did they specify a tree to chop?
// @@@ TODO: Better thing finders...
Thing parent = actionInput.Controller.Thing.Parent;
Thing thing = parent.Children.Find(t => t.Name.Equals(actionInput.Params[0], StringComparison.CurrentCultureIgnoreCase));
if (thing == null)
{
return string.Format("{0} is not here.", actionInput.Params[0]);
}
// @@@ TODO: Detect ConsumableProviderBehavior on the item, and detect if it is choppable.
//if (!(item is Item))
//{
// return string.Format("{0} is not a tree.", actionInput.Params[0]);
//}
//this.tree = (Item) item;
//if (this.tree.NumberOfResources <= 0)
//{
// return string.Format("The tree doesn't contain any suitable wood.");
//}
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
this.itemToWieldBehavior.Wielder = sender.Thing;
// Create an event handler that intercepts the ChangeOwnerEvent and
// prevents dropping/trading the item around while it is wielded.
// A reference is stored in the WieldableBehavior instance so it
// can be easily removed by the unwield command.
var interceptor = new CancellableGameEventHandler(this.Eventing_MovementRequest);
this.itemToWieldBehavior.MovementInterceptor = interceptor;
this.itemToWield.Eventing.MovementRequest += interceptor;
var contextMessage = new ContextualString(sender.Thing, this.itemToWield.Parent)
{
ToOriginator = "You wield the $WieldedItem.Name.",
ToOthers = "$ActiveThing.Name wields a $WieldedItem.Name.",
};
var sensoryMessage = new SensoryMessage(SensoryType.Sight, 100, contextMessage);
var wieldEvent = new WieldUnwieldEvent(this.itemToWield, true, sender.Thing, sensoryMessage);
sender.Thing.Eventing.OnCombatRequest(wieldEvent, EventScope.ParentsDown);
if (!wieldEvent.IsCancelled)
{
sender.Thing.Eventing.OnCombatEvent(wieldEvent, EventScope.ParentsDown);
}
}
/// <summary>Prepare for, and determine if the command's prerequisites have been met.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// Rule: We should have at least 1 item in our words array.
int numberWords = actionInput.Params.Length;
if (numberWords < 2)
{
return "You must specify a room to create a portal to.";
}
// Check to see if the first word is a number.
string roomToGet = actionInput.Params[1];
if (string.IsNullOrEmpty(roomToGet))
{
// Its not a number so it could be an entity... try it.
this.targetPlace = GameAction.GetPlayerOrMobile(actionInput.Params[0]);
if (this.targetPlace == null)
{
return "Could not convert " + actionInput.Params[0] + " to a room number.";
}
}
// this.targetRoom = bridge.World.FindRoom(roomToGet);
if (this.targetPlace == null)
{
return string.Format("Could not find the room {0}.", roomToGet);
}
return null;
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
string[] normalizedParams = this.NormalizeParameters(actionInput.Controller);
string role = normalizedParams[0];
string playerName = normalizedParams[1];
Thing player = GameAction.GetPlayerOrMobile(playerName);
if (player == null)
{
// If the player is not online, then load the player from the database
//player = PlayerBehavior.Load(playerName);
}
// Rule: Does the player exist in our Universe?
// @@@ TODO: Add code to make sure the player exists.
// Rule: Does player already have role?
/* @@@ FIX
if (Contains(player.Roles, role))
{
return player.Name + " already has the " + role + " role.";
}*/
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
// Not sure what would call this other than a player, but exit early just in case.
// Implicitly also verifies that this.sender exists.
if (this.userControlledBehavior == null)
{
return;
}
// No arguments were provided. Just show the current buffer setting and exit.
if (string.IsNullOrEmpty(actionInput.Tail))
{
this.ShowCurrentBuffer();
return;
}
// Set the value for the current session
if (this.session.Connection != null)
{
this.session.Connection.PagingRowLimit = (this.parsedBufferLength == -1) ? this.session.Terminal.Height : this.parsedBufferLength;
}
this.userControlledBehavior.PagingRowLimit = this.parsedBufferLength;
this.userControlledBehavior.Save();
this.ShowCurrentBuffer();
}
public void TestParseText()
{
// Test empty string
var actionInput = new ActionInput(string.Empty, null);
Verify.IsNull(actionInput.Noun);
Verify.IsNull(actionInput.Tail);
Verify.IsNull(actionInput.Params);
// Test simple 1-word command
var oneWordInput = new ActionInput("look", null);
Verify.AreEqual(oneWordInput.Noun, "look");
Verify.IsNull(actionInput.Tail);
Verify.IsNull(actionInput.Params);
// Test 2-word command
var twoWordInput = new ActionInput("look foo", null);
Verify.AreEqual(twoWordInput.Noun, "look");
Verify.AreEqual(twoWordInput.Tail, "foo");
Verify.IsNotNull(twoWordInput.Params);
Verify.AreEqual(twoWordInput.Params.Length, 1);
// Test 2-word command
var threeWordInput = new ActionInput("create consumable metal", null);
Verify.AreEqual(threeWordInput.Noun, "create");
Verify.AreEqual(threeWordInput.Tail, "consumable metal");
Verify.IsNotNull(threeWordInput.Params);
Verify.AreEqual(threeWordInput.Params.Length, 2);
// Test input with leading/trailing spaces
var spacedWordInput = new ActionInput(" look foo ", null);
Verify.AreEqual(spacedWordInput.Noun, "look");
Verify.AreEqual(spacedWordInput.Tail, "foo");
Verify.IsNotNull(spacedWordInput.Params);
Verify.AreEqual(spacedWordInput.Params.Length, 1);
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
Thing parent = sender.Thing.Parent;
string searchString = actionInput.Tail.Trim().ToLower();
if (string.IsNullOrEmpty(searchString))
{
sender.Write("You must specify something to search for.");
return;
}
// Unique case. Use 'here' to list the contents of the room.
if (searchString == "here")
{
sender.Write(this.ListRoomItems(parent));
return;
}
// First check the place where the sender is located (like a room) for the target,
// and if not found, search the sender's children (like inventory) for the target.
Thing thing = parent.FindChild(searchString) ?? sender.Thing.FindChild(searchString);
if (thing != null)
{
// @@@ TODO: Send a SensoryEvent?
sender.Write(thing.Description);
}
else
{
sender.Write("You cannot find " + searchString + ".");
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
var contextMessage = new ContextualString(sender.Thing, this.target)
{
ToOriginator = "You cast ThunderClap at $ActiveThing.Name!",
ToReceiver = "$Aggressor.Name casts ThunderClap at you, you only hear a ringing in your ears now.",
ToOthers = "You hear $Aggressor.Name cast ThunderClap at $ActiveThing.Name! It was very loud.",
};
var sm = new SensoryMessage(SensoryType.Hearing, 100, contextMessage);
var attackEvent = new AttackEvent(this.target, sm, sender.Thing);
sender.Thing.Eventing.OnCombatRequest(attackEvent, EventScope.ParentsDown);
if (!attackEvent.IsCancelled)
{
var deafenEffect = new AlterSenseEffect()
{
SensoryType = SensoryType.Hearing,
AlterAmount = -1000,
Duration = new TimeSpan(0, 0, 45),
};
this.target.Behaviors.Add(deafenEffect);
sender.Thing.Eventing.OnCombatEvent(attackEvent, EventScope.ParentsDown);
}
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
string targetName = actionInput.Tail.Trim().ToLower();
// Rule: Is the target an entity?
this.target = GameAction.GetPlayerOrMobile(targetName);
if (this.target == null)
{
return "You cannot see " + targetName + ".";
}
// Rule: Is the target in the same room?
if (actionInput.Controller.Thing.Parent.ID != this.target.Parent.ID)
{
return "You cannot see " + targetName + ".";
}
// Rule: Is the target alive?
if (this.target.Stats["health"].Value <= 0)
{
return this.target.Name + " is dead.";
}
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
var parameters = actionInput.Params;
// Ensure two 'credits' commands at the same time do not race for shared cache, etc.
lock (cacheLockObject)
{
if (cachedContents == null || (parameters.Length > 0 && parameters[0].ToLower() == "reload"))
{
StreamReader reader = new StreamReader("Files\\Credits.txt");
StringBuilder stringBuilder = new StringBuilder();
string s;
while ((s = reader.ReadLine()) != null)
{
if (!s.StartsWith(";"))
{
stringBuilder.AppendLine(s);
}
}
cachedContents = stringBuilder.ToString();
}
sender.Write(cachedContents);
}
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
IController sender = actionInput.Controller;
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// The comon guards already guarantees the sender is a player, hence no null checks here.
this.player = sender.Thing;
this.playerBehavior = sender.Thing.Behaviors.FindFirst<PlayerBehavior>();
// Rule: The new pretitle must be empty or meet the length requirements.
this.oldPretitle = this.player.SingularPrefix;
if (!string.IsNullOrEmpty(actionInput.Tail)) {
this.newPretitle = actionInput.Tail;
if (this.newPretitle.Length < 2 || this.newPretitle.Length > 15)
{
return "The pretitle may not be less than 2 nor more than 15 characters long.";
}
}
//// One could implement 'no color' or 'no swearing' or 'no non-alpha character' rules here, etc.
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
// Generate an item changed owner event.
IController sender = actionInput.Controller;
ContextualStringBuilder csb = new ContextualStringBuilder(sender.Thing, this.parent);
csb.Append(@"$ActiveThing.Name drops $Thing.Name.", ContextualStringUsage.WhenNotBeingPassedToOriginator);
csb.Append(@"You drop $Thing.Name.", ContextualStringUsage.OnlyWhenBeingPassedToOriginator);
SensoryMessage message = new SensoryMessage(SensoryType.Sight, 100, csb);
var changeOwnerEvent = new ChangeOwnerEvent(sender.Thing, message, sender.Thing, this.parent, this.thing);
// Broadcast as a request and see if anything wants to prevent the event.
this.parent.Eventing.OnMovementRequest(changeOwnerEvent, EventScope.ParentsDown);
if (!changeOwnerEvent.IsCancelled)
{
// Always have to remove an item before adding it because of the event observer system.
// @@@ TODO: Test, this may be broken now...
this.thing.Parent.Remove(this.thing);
this.parent.Add(this.thing);
//// @@@ BUG: Saving currently throws a NotImplementedException. Disabled for now...
this.thing.Save();
this.parent.Save();
// Broadcast the event.
this.parent.Eventing.OnMovementEvent(changeOwnerEvent, EventScope.ParentsDown);
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
string[] normalizedParams = this.NormalizeParameters(sender);
string role = normalizedParams[0];
string playerName = normalizedParams[1];
Thing player = GameAction.GetPlayerOrMobile(playerName);
if (player == null)
{
// If the player is not online, then load the player from the database
//player = PlayerBehavior.Load(playerName);
}
var userControlledBehavior = player.Behaviors.FindFirst<UserControlledBehavior>();
var existingRole = (from r in userControlledBehavior.Roles where r.Name == role select r).FirstOrDefault();
if (existingRole == null)
{
var roleRepository = new RoleRepository();
// @@@ TODO: The role.ToUpper is a hack. Need to create a case insensitive method for the RoleRepository.NoGen.cs class.
RoleRecord record = roleRepository.GetByName(role.ToUpper());
//userControlledBehavior.RoleRecords.Add(record);
//userControlledBehavior.UpdateRoles();
player.Save();
sender.Write(player.Name + " has been granted the " + role + " role.", true);
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
// Remove "weapon" from input tail and use the rest as the name.
string weaponName = actionInput.Tail.Substring(6).Trim().ToLower();
Thing weaponItem = new Thing(new WieldableBehavior(), new MovableBehavior());
weaponItem.Name = weaponName;
weaponItem.SingularPrefix = "a";
//weaponItem.ID = Guid.NewGuid().ToString();
weaponItem.ID = "0";
var wasAdded = sender.Thing.Parent.Add(weaponItem);
var userControlledBehavior = sender.Thing.Behaviors.FindFirst<UserControlledBehavior>();
if (wasAdded)
{
userControlledBehavior.Controller.Write(string.Format("You create a weapon called {0}.", weaponItem.Name));
}
else
{
userControlledBehavior.Controller.Write(string.Format("Could not add {0} to the room!", weaponItem.Name));
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
// Strings to be displayed when the effect is applied/removed.
var muteString = new ContextualString(sender.Thing, this.playerToMute)
{
ToOriginator = "You mute $Target.",
ToReceiver = "You are muted by $ActiveThing.",
ToOthers = "$ActiveThing mutes $Target."
};
var unmuteString = new ContextualString(sender.Thing, this.playerToMute)
{
ToOriginator = "$Target is no longer mute.",
ToReceiver = "You are no longer mute."
};
// Turn the above sets of strings into sensory messages.
var muteMessage = new SensoryMessage(SensoryType.Sight, 100, muteString);
var unmuteMessage = new SensoryMessage(SensoryType.Sight, 100, unmuteString);
// Create the effect.
var muteEffect = new MutedEffect(sender.Thing, this.muteDuration, muteMessage, unmuteMessage);
// Apply the effect.
this.playerToMute.Behaviors.Add(muteEffect);
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
if (sender != null && sender.Thing != null)
{
Thing entity = sender.Thing;
if (entity != null)
{
if (!string.IsNullOrEmpty(this.NewDescription))
{
entity.Description = this.NewDescription;
entity.Save();
sender.Write("Description successfully changed.");
}
else
{
sender.Write(string.Format("Your current description is \"{0}\".", entity.Description));
}
}
else
{
sender.Write("Unexpected error occurred changing description, please contact admin.");
}
}
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
IController sender = actionInput.Controller;
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// Rule: A thing must be singly targeted.
// @@@ TODO: Try to find a single target according to the specified identifiers. If more than one thing
// meets the identifiers then use a disambiguation targeting system to try to narrow to one thing.
// @@@ TODO: This sort of find pattern may become common; maybe we need to simplify
// to having a Thing method which does this? IE "List<Thing> FindChildren<T>(string id)"?
Predicate<Thing> findPredicate = (Thing t) => t.Behaviors.FindFirst<EnterableExitableBehavior>() != null;
List<Thing> enterableThings = sender.Thing.Parent.FindAllChildren(findPredicate);
if (enterableThings.Count > 1)
{
return "There is more than one thing by that identity.";
}
else if (enterableThings.Count == 1)
{
Thing thing = enterableThings.First();
this.enterableBehavior = thing.Behaviors.FindFirst<EnterableExitableBehavior>();
if (this.enterableBehavior == null)
{
return "You can not enter " + thing.Name + ".";
}
}
// If we got this far, we couldn't find an appropriate enterable thing in the room.
return "You can't see anything like that to enter.";
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
IController sender = actionInput.Controller;
Thing wielder = sender.Thing;
Thing room = wielder.Parent;
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
string itemName = actionInput.Tail.Trim().ToLower();
// First look for a matching item in inventory and make sure it can
// be wielded. If nothing was found in inventory, look for a matching
// wieldable item in the surrounding environment.
this.itemToUnwield = wielder.FindChild(item => item.Name.ToLower() == itemName && item.HasBehavior<WieldableBehavior>() && item.Behaviors.FindFirst<WieldableBehavior>().Wielder == sender.Thing);
if (this.itemToUnwield == null)
{
this.itemToUnwield = wielder.Parent.FindChild(item => item.Name.ToLower() == itemName && item.HasBehavior<WieldableBehavior>() && item.Behaviors.FindFirst<WieldableBehavior>().Wielder == sender.Thing);
}
if (this.itemToUnwield == null)
{
return "You are not wielding the " + itemName + ".";
}
this.itemToUnwieldBehavior = this.itemToUnwield.Behaviors.FindFirst<WieldableBehavior>();
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
this.itemToUnwieldBehavior.Wielder = null;
// Remove the event handler that prevents dropping the item while wielded.
var interceptor = this.itemToUnwieldBehavior.MovementInterceptor;
this.itemToUnwield.Eventing.MovementRequest -= interceptor;
var contextMessage = new ContextualString(sender.Thing, this.itemToUnwield.Parent)
{
ToOriginator = "You unwield the $WieldedItem.Name.",
ToOthers = "$ActiveThing.Name unwields a $WieldedItem.Name.",
};
var sensoryMessage = new SensoryMessage(SensoryType.Sight, 100, contextMessage);
var unwieldEvent = new WieldUnwieldEvent(this.itemToUnwield, true, sender.Thing, sensoryMessage);
sender.Thing.Eventing.OnCombatRequest(unwieldEvent, EventScope.ParentsDown);
if (!unwieldEvent.IsCancelled)
{
sender.Thing.Eventing.OnCombatEvent(unwieldEvent, EventScope.ParentsDown);
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
// Send just one message to the command sender since they know what's going on.
IController sender = actionInput.Controller;
// Attempt exact ID match
var targetPlace = ThingManager.Instance.FindThing(actionInput.Tail);
// If input is a simple number, assume we mean a room
int roomNum;
targetPlace = int.TryParse(actionInput.Tail, out roomNum) ? ThingManager.Instance.FindThing("room/" + roomNum) : ThingManager.Instance.FindThingByName(actionInput.Tail, false, true);
if (targetPlace == null)
{
sender.Write("Room or Entity not found.\n");
return;
}
if (targetPlace.FindBehavior<RoomBehavior>() == null)
{
// If the target's parent is a room, go there instead
if (targetPlace.Parent != null && targetPlace.Parent.FindBehavior<RoomBehavior>() != null)
{
targetPlace = targetPlace.Parent;
}
else
{
sender.Write("Target is not a room and is not in a room!\n");
return;
}
}
var leaveContextMessage = new ContextualString(sender.Thing, sender.Thing.Parent)
{
ToOriginator = null,
ToReceiver = @"$ActiveThing.Name disappears into nothingness.",
ToOthers = @"$ActiveThing.Name disappears into nothingness.",
};
var arriveContextMessage = new ContextualString(sender.Thing, targetPlace)
{
ToOriginator = "You teleport to " + targetPlace.Name + ".",
ToReceiver = @"$ActiveThing.Name appears from nothingness.",
ToOthers = @"$ActiveThing.Name appears from nothingness.",
};
var leaveMessage = new SensoryMessage(SensoryType.Sight, 100, leaveContextMessage);
var arriveMessage = new SensoryMessage(SensoryType.Sight, 100, arriveContextMessage);
// If we successfully move (IE the move may get cancelled if the user doesn't have permission
// to enter a particular location, some other behavior cancels it, etc), then perform a 'look'
// command to get immediate feedback about the new location.
// @@@ TODO: This should not 'enqueue' a command since, should the player have a bunch of
// other commands entered, the 'look' feedback will not immediately accompany the 'goto'
// command results like it should.
var movableBehavior = sender.Thing.FindBehavior<MovableBehavior>();
if (movableBehavior != null && movableBehavior.Move(targetPlace, sender.Thing, leaveMessage, arriveMessage))
{
CommandManager.Instance.EnqueueAction(new ActionInput("look", sender));
}
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
string div = string.Empty;
string mudName = MudEngineAttributes.Instance.MudName;
string mudNameLine = " ";
string plural = string.Empty;
string plural1 = string.Empty;
StringBuilder sb = new StringBuilder();
plural1 = "is";
if (PlayerManager.Instance.Players.Count > 1)
{
plural = "s";
plural1 = "are";
}
// TODO: Version, Sort and add by guild/class
// div = "<%b%><%green%>" + string.Empty.PadLeft(sender.Entity.Terminal.Width, '~') + "<%n%>";
div = "<%b%><%green%>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<%n%>";
mudNameLine += mudName;
sb.AppendLine();
sb.AppendLine(div);
sb.AppendLine(mudNameLine);
sb.AppendLine(div);
sb.AppendLine();
sb.AppendLine("The following player" + plural + " " + plural1 + " currently online:");
foreach (PlayerBehavior player in PlayerManager.Instance.Players)
{
// TODO: I used string literal to handle "" issue is there a neater approach?
sb.AppendFormat(@"<%mxpsecureline%><send ""finger {0}|tell {0}"" ""|finger|tell"">{0}</send>", player.Parent.Name);
sb.AppendFormat(" - {0}", player.Parent.Name);
// Add in AFK message
if (player.IsAFK)
{
sb.Append(" (afk");
if (!string.IsNullOrEmpty(player.AFKReason))
{
sb.AppendFormat(": {0}", player.AFKReason);
}
sb.Append(")");
}
// End with a newline char
sb.Append("<%nl%>");
}
sb.AppendLine();
sb.AppendLine(div);
sb.AppendFormat("Counted {0} player{1} online.", PlayerManager.Instance.Players.Count, plural);
sb.AppendLine();
sb.AppendLine(div);
actionInput.Controller.Write(sb.ToString().TrimEnd(null));
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
Die die = DiceService.Instance.GetDie(3);
// This is how you send text back to the player
int height = die.Roll();
sender.Write("Congrats! You've jumped " + height + " feet! You're special boy! This is for testing, so George quits punching me back.");
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
StringBuilder sb = new StringBuilder();
sb.Append("Game time is: ");
// @@@ Broken: sb.AppendLine(bridge.World.TimeSystem.Now);
sb.Append("Real world server time is: ");
sb.AppendLine(DateTime.Now.ToString());
sender.Write(sb.ToString());
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
// There are currently no arguments nor situations where we expect failure.
return null;
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
string commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return commonFailure;
}
this.sayText = actionInput.Tail.Trim();
return null;
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
/* @@@ Add an AltersSensesEffect or whatnot instead of modifying permanent senses!
if (sender.Thing.Senses.Contains(SensoryType.Sight))
{
sender.Thing.Senses[SensoryType.Sight].Enabled = false;
}
sender.Write("You blind yourself");
*/
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
////target.Effects.AddEffect(new StatEffect("mobility", -2, "", "Your mobility increases"),
//// new TimeSpan(0, 1, 0, 0));
////sender.Thing.Effects.AddEffect(new Unbalance(), new TimeSpan(0, 0, 3));
// @@@ TODO: Should use Request and Event pattern and avoid direct Controller.Writes
//var userControlledBehavior = sender.Thing.BehaviorManager.FindFirst<UserControlledBehavior>();
//userControlledBehavior.Controller.Write("You cast a web over " + this.target.Name);
//this.target.Controller.Write(sender.Thing.Name + " casts a web over you");
}
/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
Thing parent = sender.Thing.Parent;
// This is to keep track of the previous rooms we've yelled at, to prevent echoes.
List<Thing> previousRooms = new List<Thing>();
this.CreateYellEvent(sender.Thing);
this.TraverseRoom(parent, actionInput, sender, this.RoomFallOff, previousRooms);
}
/// <summary>Creates a scripting command from action input.</summary>
/// <param name="actionInput">The action input to transform into a ScriptingCommand instance.</param>
/// <returns>A new ScriptingCommand instance for the specified input, if found, else null.</returns>
public ScriptingCommand Create(ActionInput actionInput)
{
// TODO: Build targeting into command selection when there are multiple valid targets; IE if multiple
// openable things registered an "open" context command, then if the user said "open door" then we
// want to select the context command attached to the closest match for "door" as our command; if
// there are still multiple targets, we can start a conflict resolution prompt, etc. Individual non-
// context commands may also wish to use such targeting code, so it should be built to be reusable.
ScriptingCommand command = TryCreateMasterCommand(actionInput, 0) ??
TryCreateMasterCommand(actionInput, 1) ??
TryCreateContextCommand(actionInput, 0) ??
TryCreateContextCommand(actionInput, 1);
if (command == null)
{
actionInput.Controller.Write(new OutputBuilder().AppendLine(unknownCommandResponse));
}
return(command);
}
private ScriptingCommand TryCreateMasterCommand(ActionInput actionInput, int lastKeywordIndex)
{
string commandAlias = GetCommandAlias(actionInput, lastKeywordIndex);
// If this isn't actually a command, bail now.
////if (string.IsNullOrEmpty(commandAlias) || !this.masterCommandList.ContainsKey(commandAlias))
if (string.IsNullOrEmpty(commandAlias) || !CommandManager.Instance.MasterCommandList.ContainsKey(commandAlias))
{
return(null);
}
// Create a new instance of the specified GameAction.
Command command = CommandManager.Instance.MasterCommandList[commandAlias];
var commandScript = (GameAction)command.Constructor.Invoke(null);
// Track the execute and guards delegates of this instance for calling soon, with the user's input.
var executeDelegate = new CommandScriptExecuteDelegate(commandScript.Execute);
var guardsDelegate = new CommandScriptGuardsDelegate(commandScript.Guards);
return(new ScriptingCommand(command.Name, executeDelegate, guardsDelegate, command.SecurityRole, actionInput));
}
private ScriptingCommand TryCreateContextCommand(ActionInput actionInput, int lastKeywordIndex)
{
string commandAlias = GetCommandAlias(actionInput, lastKeywordIndex);
if (string.IsNullOrEmpty(commandAlias))
{
return(null);
}
// Find the first valid command of this name and of applicable context, if any.
Thing sender = actionInput.Controller.Thing;
var contextCommand = CommandManager.Instance.GetContextCommands(sender, commandAlias).FirstOrDefault();
if (contextCommand == null)
{
return(null);
}
var executeDelegate = new CommandScriptExecuteDelegate(contextCommand.CommandScript.Execute);
var guardsDelegate = new CommandScriptGuardsDelegate(contextCommand.CommandScript.Guards);
return(new ScriptingCommand(contextCommand.CommandKey, executeDelegate, guardsDelegate, SecurityRole.all, actionInput));
}
/// <summary>Try to execute the specified action input as a command.</summary>
/// <param name="actionInput">The action input to try to execute.</param>
private void TryExecuteAction(ActionInput actionInput)
{
try
{
ScriptingCommand command = CommandCreator.Instance.Create(actionInput);
if (command == null)
{
return;
}
// Verify the user has permissions to use this command.
string guardsErrorMessage = CommandGuardHelpers.VerifyCommandPermission(command);
if (guardsErrorMessage == null)
{
guardsErrorMessage = (string)command.GuardsDelegate.DynamicInvoke(actionInput);
}
// Verify that the other command-specific guards are passed.
if (guardsErrorMessage == null)
{
// Execute the command if we passed all the guards.
command.ExecuteDelegate.DynamicInvoke(actionInput);
}
else
{
// Otherwise display what went wrong to the user of the action.
IController controller = actionInput.Controller;
controller.Write(new OutputBuilder().AppendLine(guardsErrorMessage));
}
}
catch (Exception ex)
{
// Most of our exceptions should be TargetInvocationExceptions but we're going to
// handle them basically the same way as others, except that we only care about the
// inner exception (what actually went wrong, since we know we're doing invokes here).
if (ex is TargetInvocationException && ex.InnerException != null)
{
ex = ex.InnerException;
}
// In order to isolate command-specific issues, we're going to trap the exception, log
// the details, and kill that command. (Other commands and the game itself should be
// able to continue through such situations.)
// Start gathering info, but carefully to avoid causing potential further exceptions here.
IController controller = actionInput.Controller;
#if DEBUG
Thing thing = controller != null ? controller.Thing : null;
string thingName = thing != null ? thing.Name : "[null]";
string thingID = thing != null?thing.Id.ToString() : "[null]";
string fullCommand = actionInput != null ? actionInput.FullText : "[null]";
string format = "Exception encountered for command: {1}{0}From thing: {2} (ID: {3}){0}{4}";
string message = string.Format(format, Environment.NewLine, fullCommand, thingName, thingID, ex.ToDeepString());
#endif
// If the debugger is attached, we probably want to break now in order to better debug
// the issue closer to where it occurred; if your debugger broke here you may want to
// look at the stack trace to see where the exception originated.
if (Debugger.IsAttached)
{
string stackTrace = ex.StackTrace;
Debugger.Break();
}
// TODO: FIX: this.host..UpdateSubSystemHost(this, message);
if (controller != null)
{
#if DEBUG
controller.Write(new OutputBuilder().AppendLine(message));
#else
controller.Write(new OutputBuilder().AppendLine("An error occured processing your command."));
#endif
}
}
}
/// <summary>Try to execute the specified action input as a command.</summary>
/// <param name="actionInput">The action input to try to execute.</param>
private void TryExecuteAction(ActionInput actionInput)
{
Debug.Assert(actionInput != null, "actionInput must be defined.");
try
{
ScriptingCommand command = CommandCreator.Instance.Create(actionInput);
if (command == null)
{
return;
}
// Verify the user has permissions to use this command.
string guardsErrorMessage = CommandGuardHelpers.VerifyCommandPermission(command);
if (guardsErrorMessage == null)
{
guardsErrorMessage = (string)command.GuardsDelegate.DynamicInvoke(actionInput);
}
// Verify that the other command-specific guards are passed.
if (guardsErrorMessage == null)
{
// Execute the command if we passed all the guards.
command.ExecuteDelegate.DynamicInvoke(actionInput);
}
else
{
// Otherwise display what went wrong to the issuing session of this action input.
// (If there is no such session, such as an AI issuing a malformed action, for now this is just ignored. TODO: Send this issue to server log?)
actionInput.Session?.WriteLine(guardsErrorMessage);
}
}
catch (Exception ex)
{
// Most of our exceptions should be TargetInvocationExceptions but we're going to
// handle them basically the same way as others, except that we only care about the
// inner exception (what actually went wrong, since we know we're doing invokes here).
if (ex is TargetInvocationException && ex.InnerException != null)
{
ex = ex.InnerException;
}
// In order to isolate command-specific issues, we're going to trap the exception, log
// the details, and kill that command. (Other commands and the game itself should be
// able to continue through such situations.)
// Start gathering info, but carefully to avoid causing potential further exceptions here.
#if DEBUG
// TODO: Improve action error output to always provide full details to server log and admin players.
// https://github.com/DavidRieman/WheelMUD/issues/136
string thingName = actionInput.Actor?.Name ?? "[null]";
string thingID = actionInput.Actor?.Id.ToString() ?? "[null]";
string fullCommand = actionInput.FullText ?? "[null]";
string format = "Exception encountered for command: {1}{0}From thing: {2} (ID: {3}){0}{4}";
string message = string.Format(format, Environment.NewLine, fullCommand, thingName, thingID, ex.ToDeepString());
#else
string message = "An error occurred while processing your command.";
#endif
actionInput.Session?.WriteLine(message);
// If the debugger is attached, we probably want to break now in order to better debug
// the issue closer to where it occurred; if your debugger broke here you may want to
// look at the stack trace to see where the exception originated.
if (Debugger.IsAttached)
{
string stackTrace = ex.StackTrace;
Debugger.Break();
}
}
}
/// <summary>Place an action on the command queue for execution.</summary>
/// <param name="actionInput">The action input to attempt to execute.</param>
public void ExecuteAction(ActionInput actionInput)
{
LastActionInput = actionInput;
ActionReceived?.Invoke((IController)this, actionInput);
}
/// <summary>Executes the command.</summary> /// <remarks>Verify that the Guards pass first.</remarks> /// <param name="actionInput">The full input specified for executing the command.</param> public abstract void Execute(ActionInput actionInput);
/// <summary>Execute the action.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
// If the user invoked the context command, move them through this exit.
exitBehavior.MoveThrough(actionInput.Controller.Thing);
}
/// <summary>Guards the command against incorrect usage.</summary> /// <param name="actionInput">The full input specified for executing the command.</param> /// <returns>An error message describing the failure for the user, or null if all guards pass.</returns> public abstract string Guards(ActionInput actionInput);
/// <summary>Called when an action has been received, the manager can then put the action onto the queue.</summary>
/// <param name="sender">The entity sending the action.</param>
/// <param name="actionInput">The action input to be enqueued.</param>
public void OnActionReceived(Thing sender, ActionInput actionInput)
{
CommandManager.Instance.EnqueueAction(actionInput);
}
