public static void AtStartup(RMUD.RuleEngine GlobalRules)
{
Core.StandardMessage("you drop", "You drop <the0>.");
Core.StandardMessage("they drop", "^<the0> drops <a1>.");
GlobalRules.DeclareCheckRuleBook <MudObject, MudObject>("can drop?", "[Actor, Item] : Determine if the item can be dropped.", "actor", "item");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("drop", "[Actor, Item] : Handle an item being dropped.", "actor", "item");
GlobalRules.Check <MudObject, MudObject>("can drop?")
.First
.When((actor, item) => !Core.ObjectContainsObject(actor, item))
.Do((actor, item) =>
{
Core.SendMessage(actor, "@dont have that");
return(CheckResult.Disallow);
})
.Name("Must be holding it to drop it rule.");
GlobalRules.Check <MudObject, MudObject>("can drop?")
.First
.When((actor, item) => actor.Contains(item, RelativeLocations.WORN))
.Do((actor, item) =>
{
if (GlobalRules.ConsiderCheckRule("can remove?", actor, item) == CheckResult.Allow)
{
GlobalRules.ConsiderPerformRule("remove", actor, item);
return(CheckResult.Continue);
}
return(CheckResult.Disallow);
})
.Name("Dropping worn items follows remove rules rule.");
GlobalRules.Check <MudObject, MudObject>("can drop?").Do((a, b) => CheckResult.Allow).Name("Default can drop anything rule.");
GlobalRules.Perform <MudObject, MudObject>("drop").Do((actor, target) =>
{
Core.SendMessage(actor, "@you drop", target);
Core.SendExternalMessage(actor, "@they drop", actor, target);
if (actor.Location.HasValue(out var loc))
{
Core.Move(target, loc);
}
return(PerformResult.Continue);
}).Name("Default drop handler rule.");
}
/// <summary>
/// Start the mud engine.
/// </summary>
/// <param name="Flags">Flags control engine functions</param>
/// <param name="Database"></param>
/// <param name="Assemblies">Modules to integrate</param>
/// <returns></returns>
public static bool Start(StartupFlags Flags, String DatabasePath, WorldDataService Database, Assembly AdditionalAssembly = null)
{
Core.DatabasePath = DatabasePath;
ShuttingDown = false;
Core.Flags = Flags;
try
{
// Setup the rule engine and some basic rules.
GlobalRules = new RuleEngine(NewRuleQueueingMode.QueueNewRules);
GlobalRules.DeclarePerformRuleBook("at startup", "[] : Considered when the engine is started.");
GlobalRules.DeclarePerformRuleBook <MudObject>("singleplayer game started", "Considered when a single player game is begun");
DefaultParser = new CommandParser();
InitializeEngine(Assembly.GetExecutingAssembly());
if (AdditionalAssembly != null)
{
InitializeEngine(AdditionalAssembly);
}
InitializeCommandProcessor();
GlobalRules.FinalizeNewRules();
Core.Database = Database;
Database.Initialize();
GlobalRules.ConsiderPerformRule("at startup");
if ((Flags & StartupFlags.SingleThreaded) == 0)
{
StartThreadedCommandProcesor();
}
}
catch (Exception e)
{
LogError("Failed to start mud engine.");
LogError(e.Message);
LogError(e.StackTrace);
throw;
}
return(true);
}
public static void AddPlayer(Actor Actor)
{
Actor.Rank = 500;
GlobalRules.ConsiderPerformRule("player joined", Actor);
}
public static void AtStartup(RMUD.RuleEngine GlobalRules)
{
PropertyManifest.RegisterProperty("active-quest", typeof(MudObject), null, new DefaultSerializer());
PropertyManifest.RegisterProperty("offered-quest", typeof(MudObject), null, new DefaultSerializer());
GlobalRules.Perform <PossibleMatch, MudObject>("after acting")
.Do((match, actor) =>
{
if (actor.GetProperty <MudObject>("active-quest") != null)
{
var quest = actor.GetProperty <MudObject>("active-quest");
if (GlobalRules.ConsiderValueRule <bool>("quest complete?", actor, quest))
{
actor.SetProperty("active-quest", null);
GlobalRules.ConsiderPerformRule("quest completed", actor, quest);
}
else if (GlobalRules.ConsiderValueRule <bool>("quest failed?", actor, quest))
{
actor.SetProperty("active-quest", null);
GlobalRules.ConsiderPerformRule("quest failed", actor, quest);
}
}
return(PerformResult.Continue);
})
.Name("Check quest status after acting rule.");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("quest reset", "[quest, thing] : The quest is being reset. Quests can call this on objects they interact with.", "quest", "item");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("quest accepted", "[actor, quest] : Handle accepting a quest.", "actor", "quest");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("quest completed", "[actor, quest] : Handle when a quest is completed.", "actor", "quest");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("quest failed", "[actor, quest] : Handle when a quest is failed.", "actor", "quest");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("quest abandoned", "[actor, quest] : Handle when a quest is abandoned.", "actor", "quest");
GlobalRules.Perform <MudObject, MudObject>("quest abandoned")
.Last
.Do((actor, quest) =>
{
return(GlobalRules.ConsiderPerformRule("quest failed", actor, quest));
})
.Name("Abandoning a quest is failure rule.");
GlobalRules.DeclareValueRuleBook <MudObject, MudObject, bool>("quest available?", "[actor, quest -> bool] : Is the quest available to this actor?", "actor", "quest");
GlobalRules.Value <MudObject, MudObject, bool>("quest available?")
.Do((Actor, quest) => false)
.Name("Quests unavailable by default rule.");
GlobalRules.DeclareValueRuleBook <MudObject, MudObject, bool>("quest complete?", "[actor, quest -> bool] : Has this actor completed this quest?", "actor", "quest");
GlobalRules.Value <MudObject, MudObject, bool>("quest complete?")
.Do((actor, quest) => false)
.Name("Quests incomplete by default rule.");
GlobalRules.DeclareValueRuleBook <MudObject, MudObject, bool>("quest failed?", "[actor, quest -> bool] : Has this actor failed this quest?", "actor", "quest");
GlobalRules.Value <MudObject, MudObject, bool>("quest failed?")
.Do((actor, quest) => false)
.Name("Quests can't fail by default rule.");
}
public static void AddPlayer(MudObject Actor)
{
Actor.SetProperty("rank", 500);
GlobalRules.ConsiderPerformRule("player joined", Actor);
}
public static void AtStartup(RMUD.RuleEngine GlobalRules)
{
PropertyManifest.RegisterProperty("combat weapon", typeof(MudObject), null, new DefaultSerializer());
PropertyManifest.RegisterProperty("combat health", typeof(int), 0, new IntSerializer());
PropertyManifest.RegisterProperty("combat damage die", typeof(String), "", new StringSerializer());
PropertyManifest.RegisterProperty("combat hit modifier", typeof(int), 0, new IntSerializer());
PropertyManifest.RegisterProperty("combat armor class", typeof(int), 0, new IntSerializer());
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("attacked", "[Attacker, Target] => Attacker Attacked Target rule.", "Attacker", "Target");
GlobalRules.Perform <MudObject>("inventory")
.When(a => a.GetProperty <MudObject>("combat weapon") != null)
.Do(a =>
{
Core.SendMessage(a, "@wielding", a, a.GetProperty <MudObject>("combat weapon"));
return(PerformResult.Continue);
})
.Name("List weapon in inventory rule.");
GlobalRules.Perform <MudObject, MudObject>("drop")
.First
.When((actor, target) => Object.ReferenceEquals(actor.GetProperty <MudObject>("combat weapon"), target))
.Do((actor, target) =>
{
actor.SetProperty("combat weapon", null);
return(PerformResult.Continue);
}).Name("Unwield dropped item rule");
GlobalRules.Perform <MudObject, MudObject>("describe")
.When((viewer, item) => item.GetProperty <MudObject>("combat weapon") != null)
.Do((viewer, item) =>
{
Core.SendMessage(viewer, "@wielding", item, item.GetProperty <MudObject>("combat weapon"));
return(PerformResult.Continue);
})
.Name("Describe their weapon rule.");
GlobalRules.Perform <MudObject>("heartbeat")
.When(o => o.HasProperty("combat target") && o.GetProperty <MudObject>("combat target") != null)
.Do((o) =>
{
var target = o.GetProperty <MudObject>("combat target");
if (target == null || target.State == ObjectState.Destroyed)
{
o.SetProperty("combat target", null);
return(PerformResult.Continue);
}
if (!Core.IsVisibleTo(o, target))
{
Core.SendMessage(o, "Your target is no longer here.");
o.SetProperty("combat target", null);
return(PerformResult.Continue);
}
CombatSystem.MeleeAttack(o, target);
GlobalRules.ConsiderPerformRule("attacked", o, target);
return(PerformResult.Continue);
})
.Name("I'm in a fight, I'd better attack rule.");
GlobalRules.Perform <MudObject, MudObject>("attacked")
.Do((attacker, target) =>
{
target.SetProperty("combat target", attacker);
return(PerformResult.Continue);
})
.Name("fight back rule");
}
public static void AtStartup(RMUD.RuleEngine GlobalRules)
{
PropertyManifest.RegisterProperty("introduction memory", typeof(Dictionary <String, bool>), null, new DefaultSerializer());
GlobalRules.DeclareCheckRuleBook <MudObject, MudObject>("can introduce?", "[Actor A, Actor B] : Can A introduce B?", "actor", "itroductee");
GlobalRules.Check <MudObject, MudObject>("can introduce?")
.When((a, b) => !b.GetProperty <bool>("actor?"))
.Do((a, b) =>
{
Core.SendMessage(a, "That just sounds silly.");
return(CheckResult.Disallow);
})
.Name("Can only introduce actors rule.");
GlobalRules.Check <MudObject, MudObject>("can introduce?")
.Do((a, b) => Core.CheckIsVisibleTo(a, b))
.Name("Introducee must be visible rule.");
GlobalRules.Check <MudObject, MudObject>("can introduce?")
.When((a, b) => !GlobalRules.ConsiderValueRule <bool>("actor knows actor?", a, b))
.Do((a, b) =>
{
Core.SendMessage(a, "How can you introduce <the0> when you don't know them yourself?", b);
return(CheckResult.Disallow);
})
.Name("Can't introduce who you don't know rule.");
GlobalRules.Perform <MudObject, MudObject>("describe")
.First
.When((viewer, actor) => GlobalRules.ConsiderValueRule <bool>("actor knows actor?", viewer, actor))
.Do((viewer, actor) =>
{
Core.SendMessage(viewer, "^<the0>, a " + (actor.GetProperty <Gender>("gender") == Gender.Male ? "man." : "woman."), actor);
return(PerformResult.Continue);
})
.Name("Report gender of known actors rule.");
#region Perform and report rules
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("introduce", "[Actor A, Actor B] : Handle A introducing B.", "actor", "introductee");
GlobalRules.Perform <MudObject, MudObject>("introduce")
.Do((actor, introductee) =>
{
var locale = Core.FindLocale(introductee);
if (locale != null)
{
foreach (var player in Core.EnumerateObjectTree(locale).Where(o => o.GetProperty <bool>("actor?")))
{
GlobalRules.ConsiderPerformRule("introduce to", introductee, player);
}
}
Core.SendExternalMessage(actor, "^<the0> introduces <the1>.", actor, introductee);
Core.SendMessage(actor, "You introduce <the0>.", introductee);
return(PerformResult.Continue);
})
.Name("Report introduction rule.");
GlobalRules.DeclarePerformRuleBook <MudObject>("introduce self", "[Introductee] : Introduce the introductee");
GlobalRules.Perform <MudObject>("introduce self")
.Do((introductee) =>
{
var locale = Core.FindLocale(introductee);
if (locale != null)
{
foreach (var player in Core.EnumerateObjectTree(locale).Where(o => o.GetProperty <bool>("actor?")))
{
GlobalRules.ConsiderPerformRule("introduce to", introductee, player);
}
}
Core.SendExternalMessage(introductee, "^<the0> introduces themselves.", introductee);
Core.SendMessage(introductee, "You introduce yourself.");
return(PerformResult.Continue);
})
.Name("Introduce an actor to everyone present rule.");
#endregion
#region Printed name rules
GlobalRules.Value <MudObject, MudObject, String, String>("printed name")
.When((viewer, thing, article) => thing.GetProperty <bool>("actor?"))
.When((viewer, thing, article) => GlobalRules.ConsiderValueRule <bool>("actor knows actor?", viewer, thing))
.Do((viewer, actor, article) => actor.GetProperty <String>("short"))
.Name("Name of introduced actor.");
GlobalRules.Value <MudObject, MudObject, String, String>("printed name")
.When((viewer, thing, article) => thing.GetProperty <bool>("actor?"))
.When((viewer, thing, article) => thing.GetProperty <Gender>("gender") == Gender.Male)
.Do((viewer, actor, article) => article + " man")
.Name("Default name for unintroduced male actor.");
GlobalRules.Value <MudObject, MudObject, String, String>("printed name")
.When((viewer, thing, article) => thing.GetProperty <bool>("actor?"))
.When((viewer, thing, article) => thing.GetProperty <Gender>("gender") == Gender.Female)
.Do((viewer, actor, article) => article + " woman")
.Name("Default name for unintroduced female actor.");
#endregion
#region Knowledge management rules
GlobalRules.DeclareValueRuleBook <MudObject, MudObject, bool>("actor knows actor?", "[Player, Whom] : Does the player know the actor?");
GlobalRules.Value <MudObject, MudObject, bool>("actor knows actor?")
.Do((player, whom) => RecallActor(player, whom))
.Name("Use player memory to recall actors rule.");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("introduce to", "[Introductee, ToWhom] : Introduce the introductee to someone");
GlobalRules.Perform <MudObject, MudObject>("introduce to")
.Do((introductee, player) =>
{
RememberActor(player, introductee);
return(PerformResult.Continue);
})
.Name("Players remember actors rule.");
#endregion
}
public static void AtStartup(RMUD.RuleEngine GlobalRules)
{
PropertyManifest.RegisterProperty("interlocutor", typeof(MudObject), null, new DefaultSerializer());
PropertyManifest.RegisterProperty("conversation-topics", typeof(List <MudObject>), new List <MudObject>(), new DefaultSerializer());
PropertyManifest.RegisterProperty("topic-discussed", typeof(bool), false, new BoolSerializer());
Core.StandardMessage("convo topic prompt", "Suggested topics: <l0>");
Core.StandardMessage("convo cant converse", "You can't converse with that.");
Core.StandardMessage("convo greet whom", "Whom did you want to greet?");
Core.StandardMessage("convo nobody", "You aren't talking to anybody.");
Core.StandardMessage("convo no response", "There doesn't seem to be a response defined for that topic.");
Core.StandardMessage("convo no topics", "There is nothing obvious to discuss.");
GlobalRules.DeclareCheckRuleBook <MudObject, MudObject>("can converse?", "[Actor, Item] : Can the actor converse with the item?", "actor", "item");
GlobalRules.Check <MudObject, MudObject>("can converse?")
.When((actor, item) => !item.GetProperty <bool>("actor?"))
.Do((actor, item) =>
{
Core.SendMessage(actor, "@convo cant converse");
return(CheckResult.Disallow);
})
.Name("Can only converse with NPCs rule.");
GlobalRules.Check <MudObject, MudObject>("can converse?")
.Do((actor, item) => Core.CheckIsVisibleTo(actor, item))
.Name("Locutor must be visible rule.");
GlobalRules.Check <MudObject, MudObject>("can converse?")
.Last
.Do((actor, item) => CheckResult.Allow)
.Name("Let them chat rule.");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("greet", "[Actor, NPC] : Handle an actor greeting an NPC.", "actor", "npc");
GlobalRules.DeclarePerformRuleBook <MudObject>("list topics", "[Actor] : List conversation topics available to the actor.", "actor");
GlobalRules.Perform <MudObject>("list topics")
.When(actor => actor.GetProperty <MudObject>("interlocutor") == null)
.Do(actor =>
{
Core.SendMessage(actor, "@convo nobody");
return(PerformResult.Stop);
})
.Name("Need interlocutor to list topics rule.");
GlobalRules.Perform <MudObject>("list topics")
.Do(actor =>
{
var npc = actor.GetProperty <MudObject>("interlocutor");
if (npc != null)
{
var suggestedTopics = npc.GetProperty <List <MudObject> >("conversation-topics").AsEnumerable();
if (!ConversationSettings.ListDiscussedTopics)
{
suggestedTopics = suggestedTopics.Where(obj => !obj.GetProperty <bool>("topic-discussed"));
}
suggestedTopics = suggestedTopics.Where(topic => GlobalRules.ConsiderCheckRule("topic available?", actor, npc, topic) == CheckResult.Allow);
var enumeratedSuggestedTopics = new List <MudObject>(suggestedTopics);
if (enumeratedSuggestedTopics.Count != 0)
{
Core.SendMessage(actor, "@convo topic prompt", enumeratedSuggestedTopics);
}
else
{
GlobalRules.ConsiderPerformRule("no topics to discuss", actor, npc);
}
}
return(PerformResult.Continue);
})
.Name("List un-discussed available topics rule.");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject>("no topics to discuss", "[Actor, NPC] : Handle there being no topics to list.");
GlobalRules.Perform <MudObject, MudObject>("no topics to discuss")
.Do((actor, npc) =>
{
Core.SendMessage(actor, "@convo no topics");
return(PerformResult.Continue);
})
.Name("Default report no topics to discuss rule.");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject, MudObject>("discuss topic", "[Actor, NPC, Topic] : Handle the actor discussing the topic with the npc.");
GlobalRules.Perform <MudObject, MudObject, MudObject>("discuss topic")
.Do((actor, npc, topic) =>
{
GlobalRules.ConsiderPerformRule("topic response", actor, npc, topic);
if (topic != null)
{
topic.SetProperty("topic-discussed", true);
}
return(PerformResult.Continue);
})
.Name("Show topic response when discussing topic rule.");
GlobalRules.Perform <MudObject, MudObject, MudObject>("topic response")
.Do((actor, npc, topic) =>
{
Core.SendMessage(actor, "@convo no response");
return(PerformResult.Stop);
})
.Name("No response rule for the topic rule.");
GlobalRules.DeclareCheckRuleBook <MudObject, MudObject, MudObject>("topic available?", "[Actor, NPC, Topic -> bool] : Is the topic available for discussion with the NPC to the actor?", "actor", "npc", "topic");
GlobalRules.DeclarePerformRuleBook <MudObject, MudObject, MudObject>("topic response", "[Actor, NPC, Topic] : Display the response of the topic.", "actor", "npc", "topic");
GlobalRules.Check <MudObject, MudObject, MudObject>("topic available?")
.First
.When((actor, npc, topic) => (topic != null) && (ConversationSettings.AllowRepeats == false) && topic.GetProperty <bool>("topic-discussed"))
.Do((actor, npc, topic) => CheckResult.Disallow)
.Name("Already discussed topics unavailable when repeats disabled rule.");
GlobalRules.Check <MudObject, MudObject, MudObject>("topic available?")
.Last
.Do((actor, npc, topic) => CheckResult.Allow)
.Name("Topics available by default rule.");
}
/// <summary>
/// Start the mud engine.
/// </summary>
/// <param name="Flags">Flags control engine functions</param>
/// <param name="Database"></param>
/// <param name="Assemblies">Modules to integrate</param>
/// <returns></returns>
public static bool Start(StartupFlags Flags, WorldDataService Database, params ModuleAssembly[] Assemblies)
{
ShuttingDown = false;
Core.Flags = Flags;
try
{
// Setup the rule engine and some basic rules.
GlobalRules = new RuleEngine(NewRuleQueueingMode.QueueNewRules);
GlobalRules.DeclarePerformRuleBook("at startup", "[] : Considered when the engine is started.");
GlobalRules.DeclarePerformRuleBook <MudObject>("singleplayer game started", "Considered when a single player game is begun");
// Integrate modules. The Core assembly is always integrated.
IntegratedModules.Add(new ModuleAssembly(Assembly.GetExecutingAssembly(), new ModuleInfo {
Author = "Blecki", Description = "RMUD Core", BaseNameSpace = "RMUD"
}, "Core.dll"));
IntegratedModules.AddRange(Assemblies);
if ((Flags & StartupFlags.SearchDirectory) == StartupFlags.SearchDirectory)
{
foreach (var file in System.IO.Directory.EnumerateFiles(System.IO.Directory.GetCurrentDirectory()).Where(p => System.IO.Path.GetExtension(p) == ".dll"))
{
var assembly = System.Reflection.Assembly.LoadFrom(file);
var infoType = assembly.GetTypes().FirstOrDefault(t => t.IsSubclassOf(typeof(ModuleInfo)));
if (infoType != null)
{
IntegratedModules.Add(new ModuleAssembly(assembly, file));
if ((Flags & StartupFlags.Silent) == 0)
{
Console.WriteLine("Discovered module: " + file);
}
}
}
}
foreach (var startupAssembly in IntegratedModules)
{
IntegrateModule(startupAssembly);
}
PersistentValueSerializer.AddGlobalSerializer(new BitArraySerializer());
InitializeCommandProcessor();
GlobalRules.FinalizeNewRules();
Core.Database = Database;
Database.Initialize();
GlobalRules.ConsiderPerformRule("at startup");
if ((Flags & StartupFlags.SingleThreaded) == 0)
{
StartThreadedCommandProcesor();
}
}
catch (Exception e)
{
LogError("Failed to start mud engine.");
LogError(e.Message);
LogError(e.StackTrace);
throw;
}
return(true);
}