/// <summary>
/// Generates a randomized value based on <see cref="effect"/> base value
/// and random component.
/// </summary>
/// <param name="effect">The spell effect.</param>
/// <returns>Random value depending on base points and dice roll.</returns>
protected int RollEffectValue([NotNull] SpellEffectDefinitionDataModel effect)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
return(RandomGenerator.Value.Next(effect.EffectBasePoints, effect.EffectBasePoints + 1 + effect.EffectPointsDiceRange)); //+1 is due to exclusive.
}
public ApplySpellEffectMessage([NotNull] NetworkEntityGuid sourceCaster, [NotNull] SpellDefinitionDataModel spell, [NotNull] SpellEffectDefinitionDataModel spellEffect)
{
SourceCaster = sourceCaster ?? throw new ArgumentNullException(nameof(sourceCaster));
Spell = spell ?? throw new ArgumentNullException(nameof(spell));
SpellEffect = spellEffect ?? throw new ArgumentNullException(nameof(spellEffect));
//TODO: Expand this to validate additional effects.
if (spell.SpellEffectIdOne != SpellEffect.SpellEffectId)
{
throw new InvalidOperationException($"Cannot apply spell effect for Spell: {spell.SpellId} with Effect: {spellEffect.SpellEffectId} because the spell is not linked to that effect.");
}
}
public ApplySpellEffectMessage Create([NotNull] SpellEffectApplicationMessageCreationContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
SpellDefinitionDataModel spellDefinition = SpellDataCollection.GetSpellDefinition(context.SpellId);
SpellEffectDefinitionDataModel effectDefinition = SpellDataCollection.GetSpellEffectDefinition(spellDefinition.GetSpellEffectId(context.EffectIndex));
return(new ApplySpellEffectMessage(context.ApplicationSource, spellDefinition, effectDefinition));
}
public bool AddSpellEffectDefinition([NotNull] SpellEffectDefinitionDataModel spellEffectData)
{
if (spellEffectData == null)
{
throw new ArgumentNullException(nameof(spellEffectData));
}
if (ContainsSpellEffectDefinition(spellEffectData.SpellEffectId))
{
return(false);
}
SpellEffectMap.Add(spellEffectData.SpellEffectId, spellEffectData);
return(true);
}
public ISpellEffectTargetValidator Create([NotNull] SpellEffectDefinitionDataModel context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
long computedKeyValue = SpellEffectTargetingStrategyAttribute.ComputeKey(context.EffectTargetingType, context.AdditionalEffectTargetingType);
if (ValidatorMap.ContainsKey(computedKeyValue))
{
return(ValidatorMap[computedKeyValue]);
}
else
{
throw new KeyNotFoundException($"Key {computedKeyValue} for Effect target validator: {context.SpellEffectId} with TargetType: {context.EffectTargetingType}:{context.AdditionalEffectTargetingType} not found.");
}
}
public void DispatchSpellCast([NotNull] IPendingSpellCastData pendingSpellCast, DefaultEntityActorStateContainer casterData)
{
if (pendingSpellCast == null)
{
throw new ArgumentNullException(nameof(pendingSpellCast));
}
if (!SpellDataCollection.ContainsSpellDefinition(pendingSpellCast.SpellId))
{
throw new InvalidOperationException($"Tried to cast Spell: {pendingSpellCast.SpellId} but no definition exists.");
}
IActorRef casterActorReference = ActorReferenceMappable.RetrieveEntity(casterData.EntityGuid);
SpellDefinitionDataModel spellDefinition = SpellDataCollection.GetSpellDefinition(pendingSpellCast.SpellId);
//Each spell can have N effects with individual unique targeting attributes.
//So we need to handle each spell effect seperately, compute their effects/targets
//and send an effect application message to the involved actors.
foreach (SpellEffectIndex effectIndex in spellDefinition.EnumerateSpellEffects())
{
SpellEffectDefinitionDataModel effectDefinition = SpellDataCollection.GetSpellEffectDefinition(spellDefinition.GetSpellEffectId(effectIndex));
SpellEffectTargetContext targetContext = EffectTargetSelectorFactory
.Create(effectDefinition)
.CalculateTargets(spellDefinition, effectDefinition, casterData, pendingSpellCast);
ApplySpellEffectMessage spellEffectApplicationMessage = SpellEffectApplicationMessageFactory.Create(new SpellEffectApplicationMessageCreationContext(casterData.EntityGuid, pendingSpellCast.SpellId, effectIndex));
//For each actor target in the target context
//we need to send the spell application message for handling
foreach (var target in targetContext.SpellEffectTargets)
{
if (Logger.IsDebugEnabled)
{
Logger.Debug($"Entity: {casterData.EntityGuid} casted spell with effect that targets Target: {target.Path.Name}");
}
target.Tell(spellEffectApplicationMessage, casterActorReference);
}
}
}
public abstract SpellEffectTargetContext CalculateTargets(SpellDefinitionDataModel spellDefinition, SpellEffectDefinitionDataModel spellEffect, DefaultEntityActorStateContainer actorState, IPendingSpellCastData pendingSpellCast);
public override SpellEffectTargetContext CalculateTargets([NotNull] SpellDefinitionDataModel spellDefinition, [NotNull] SpellEffectDefinitionDataModel spellEffect, [NotNull] DefaultEntityActorStateContainer actorState, [NotNull] IPendingSpellCastData pendingSpellCast)
{
if (spellDefinition == null)
{
throw new ArgumentNullException(nameof(spellDefinition));
}
if (spellEffect == null)
{
throw new ArgumentNullException(nameof(spellEffect));
}
if (actorState == null)
{
throw new ArgumentNullException(nameof(actorState));
}
if (pendingSpellCast == null)
{
throw new ArgumentNullException(nameof(pendingSpellCast));
}
return(new SpellEffectTargetContext(ComputeAllyTargets(pendingSpellCast, actorState)));
}
protected override bool ValidateTargeting(SpellDefinitionDataModel spellDefinition, SpellEffectDefinitionDataModel spellEffect, DefaultEntityActorStateContainer actorState)
{
if (spellDefinition == null)
{
throw new ArgumentNullException(nameof(spellDefinition));
}
if (spellEffect == null)
{
throw new ArgumentNullException(nameof(spellEffect));
}
if (actorState == null)
{
throw new ArgumentNullException(nameof(actorState));
}
NetworkEntityGuid guid = GetEntityTarget(actorState);
//Does the entity exist, small window of time between valid cast start and now where entity can despawn
//so minor chance it doesn't exist anymore.
if (!KnownEntitySet.isEntityKnown(guid))
{
return(false);
}
//TODO: We shouldn't assume they are enemies just because they aren't use. We need a system for hostility masking for entities
return(guid != NetworkEntityGuid.Empty && guid.EntityType == EntityType.Creature && guid != actorState.EntityGuid);
}
protected override bool ValidateTargeting(SpellDefinitionDataModel spellDefinition, SpellEffectDefinitionDataModel spellEffect, DefaultEntityActorStateContainer actorState)
{
//Ally targeting is always valid. Even if targeting an enemy
//This is because we'll just cast it on ourselves if we're
//targeting an enemy.
return(true);
}
public bool ValidateTargetContext([NotNull] SpellDefinitionDataModel spellDefinition, [NotNull] SpellEffectDefinitionDataModel spellEffect, [NotNull] DefaultEntityActorStateContainer actorState)
{
if (spellDefinition == null)
{
throw new ArgumentNullException(nameof(spellDefinition));
}
if (spellEffect == null)
{
throw new ArgumentNullException(nameof(spellEffect));
}
if (actorState == null)
{
throw new ArgumentNullException(nameof(actorState));
}
//We don't validate effect targeting matching the validators effect targeting
//because a validator may have MULTIPLE targeting handling.
return(ValidateTargeting(spellDefinition, spellEffect, actorState));
}
/// <summary> /// Parameters are never null. /// </summary> /// <param name="spellDefinition"></param> /// <param name="spellEffect"></param> /// <param name="actorState"></param> /// <returns></returns> protected abstract bool ValidateTargeting(SpellDefinitionDataModel spellDefinition, SpellEffectDefinitionDataModel spellEffect, DefaultEntityActorStateContainer actorState);
