/// <summary>
/// Enchantment payload callback for enchantment to perform custom execution based on context.
/// These callbacks are performed directly from template, not from a live instance of effect. Do not store state in effect during callbacks.
/// Not used by EnchantmentPayloadFlags.Held - rather, an effect instance bundle is assigned to entity's effect manager to execute as normal.
/// </summary>
public virtual PayloadCallbackResults?EnchantmentPayloadCallback(EnchantmentPayloadFlags context, EnchantmentParam?param = null, DaggerfallEntityBehaviour sourceEntity = null, DaggerfallEntityBehaviour targetEntity = null, DaggerfallUnityItem sourceItem = null, int sourceDamage = 0)
{
return(null);
}
/// <summary>
/// Helper to check if properties contain the specified enchantment payload flags
/// </summary>
/// <param name="flags">Flags to check.</param>
/// <returns>True if flags specified.</returns>
public virtual bool HasEnchantmentPayloadFlags(EnchantmentPayloadFlags flags)
{
return((Properties.EnchantmentPayloadFlags & flags) == flags);
}
public override PayloadCallbackResults?EnchantmentPayloadCallback(EnchantmentPayloadFlags context, EnchantmentParam?param = null, DaggerfallEntityBehaviour sourceEntity = null, DaggerfallEntityBehaviour targetEntity = null, DaggerfallUnityItem sourceItem = null, int sourceDamage = 0)
{
base.EnchantmentPayloadCallback(context, param, sourceEntity, targetEntity, sourceItem);
// Validate
if (context != EnchantmentPayloadFlags.Used || sourceEntity == null || param == null)
{
return(null);
}
// Get caster effect manager
EntityEffectManager effectManager = sourceEntity.GetComponent <EntityEffectManager>();
if (!effectManager)
{
return(null);
}
// Do not activate enchantment if broken
// But still return durability loss so "item has broken" message displays
// If AllowMagicRepairs enabled then item will not disappear
if (sourceItem != null && sourceItem.currentCondition <= 0)
{
return new PayloadCallbackResults()
{
durabilityLoss = durabilityLossOnUse
}
}
;
// Cast when used enchantment prepares a new ready spell
if (!string.IsNullOrEmpty(param.Value.CustomParam))
{
// TODO: Ready a custom spell bundle
}
else
{
// Ready a classic spell bundle
SpellRecord.SpellRecordData spell;
EffectBundleSettings bundleSettings;
EntityEffectBundle bundle;
if (GameManager.Instance.EntityEffectBroker.GetClassicSpellRecord(param.Value.ClassicParam, out spell))
{
if (GameManager.Instance.EntityEffectBroker.ClassicSpellRecordDataToEffectBundleSettings(spell, BundleTypes.Spell, out bundleSettings))
{
// Self-cast spells are all assigned directly to self, "click to cast" spells are loaded to ready spell
// TODO: Support multiple ready spells so all loaded spells are launched on click
bundle = new EntityEffectBundle(bundleSettings, sourceEntity);
bundle.CastByItem = sourceItem;
if (bundle.Settings.TargetType == TargetTypes.CasterOnly)
{
effectManager.AssignBundle(bundle, AssignBundleFlags.BypassSavingThrows | AssignBundleFlags.BypassChance);
}
else
{
effectManager.SetReadySpell(bundle, true);
}
}
}
}
return(new PayloadCallbackResults()
{
durabilityLoss = durabilityLossOnUse
});
}
public override PayloadCallbackResults?EnchantmentPayloadCallback(EnchantmentPayloadFlags context, EnchantmentParam?param = null, DaggerfallEntityBehaviour sourceEntity = null, DaggerfallEntityBehaviour targetEntity = null, DaggerfallUnityItem sourceItem = null, int sourceDamage = 0)
{
base.EnchantmentPayloadCallback(context, param, sourceEntity, targetEntity, sourceItem, sourceDamage);
// Validate
if (context != EnchantmentPayloadFlags.Strikes || sourceEntity == null || targetEntity == null || sourceItem == null || sourceDamage == 0)
{
return(null);
}
// Target can saves vs magic
if (FormulaHelper.SavingThrow(DFCareer.Elements.Magic, DFCareer.EffectFlags.Magic, targetEntity.Entity, 0) == 0)
{
return(null);
}
// Find live effect as EnchantmentPayloadCallback is only called on template and we need to change live data
// Log error and allow effect to continue - but it will not operate fully
MaceOfMolagBalEffect liveEffect = FindLiveEffect(sourceEntity);
if (liveEffect == null)
{
Debug.LogError("MaceOfMolagBalEffect.EnchantmentPayloadCallback could not find live effect instance on source entity.");
}
// Seed random
Random.InitState(Time.frameCount);
// "The Mace of Molag Bal drains its victim's spell points and gives them to the bearer.
// "If the victim has no spell points, he is drained of strength, which is also transferred to the wielder."
// "Using the Mace of Molag Bal can actually give its bearer more spell points or more strength than he would have fully rested."
// After considerable testing in classic unable to actually reproduce the first part of this effect (transfer of spell points)
// Could be down to casters in classic dumping their spell point pool almost immediately, but even backstabs failed to transfer any spell points to wielder
// Implementing spell point drain as per description rather than based on observation in classic
// Assuming spell points drained are equal to damage
// Testing in classic shows that strength increase is always 1-6
if (targetEntity.Entity.CurrentMagicka > 0)
{
// First drain spell points from target
// Limit drain to available spell points on target
int spellPointsDrained = targetEntity.Entity.CurrentMagicka - targetEntity.Entity.DecreaseMagicka(sourceDamage);
// Then raise spell points on source equal to amount drained
// If this will increase over usual spell point pool amount then increase max to by overflow amount
int overflow = sourceEntity.Entity.CurrentMagicka + spellPointsDrained - sourceEntity.Entity.MaxMagicka;
if (overflow > 0)
{
// Immediately set increase to spell point maximum to absorb all spell points drained
// This also needs to be set each tick so we accumulate this overflow amount to use in live effect
sourceEntity.Entity.ChangeMaxMagickaModifier(overflow);
if (liveEffect != null)
{
liveEffect.currentMaxMagickaIncrease += overflow;
}
}
sourceEntity.Entity.IncreaseMagicka(spellPointsDrained);
}
else
{
// If target is out of spell points then drain 1-6 strength from target
int strengthDrained = Random.Range(1, 7);
DrainTargetStrength(targetEntity, strengthDrained);
// Accumulate drain amount as a strength buff in live effect
// These modifiers are automatically serialized/deserialized as part of effect framework
if (liveEffect != null)
{
liveEffect.ChangeStatMaxMod(DFCareer.Stats.Strength, strengthDrained);
liveEffect.ChangeStatMod(DFCareer.Stats.Strength, strengthDrained);
}
}
// Record last strike time
if (liveEffect != null)
{
liveEffect.lastStrikeTime = DaggerfallUnity.Instance.WorldTime.DaggerfallDateTime.ToClassicDaggerfallTime();
}
// Durability loss is equal to damage caused
return(new PayloadCallbackResults()
{
durabilityLoss = sourceDamage,
});
}
public override PayloadCallbackResults?EnchantmentPayloadCallback(EnchantmentPayloadFlags context, EnchantmentParam?param = null, DaggerfallEntityBehaviour sourceEntity = null, DaggerfallEntityBehaviour targetEntity = null, DaggerfallUnityItem sourceItem = null, int sourceDamage = 0)
{
return(base.EnchantmentPayloadCallback(context, param, sourceEntity, targetEntity, sourceItem));
}