bool CheckTagRequirementsMet(GameplayEffectSpec geSpec)
{
/// Build temporary list of all gametags currently applied
var appliedTags = new List <GameplayTagScriptableObject>();
for (var i = 0; i < AppliedGameplayEffects.Count; i++)
{
appliedTags.AddRange(AppliedGameplayEffects[i].spec.GameplayEffect.gameplayEffectTags.GrantedTags);
}
// Every tag in the ApplicationTagRequirements.RequireTags needs to be in the character tags list
// In other words, if any tag in ApplicationTagRequirements.RequireTags is not present, requirement is not met
for (var i = 0; i < geSpec.GameplayEffect.gameplayEffectTags.ApplicationTagRequirements.RequireTags.Length; i++)
{
if (!appliedTags.Contains(geSpec.GameplayEffect.gameplayEffectTags.ApplicationTagRequirements.RequireTags[i]))
{
return(false);
}
}
// No tag in the ApplicationTagRequirements.IgnoreTags must in the character tags list
// In other words, if any tag in ApplicationTagRequirements.IgnoreTags is present, requirement is not met
for (var i = 0; i < geSpec.GameplayEffect.gameplayEffectTags.ApplicationTagRequirements.IgnoreTags.Length; i++)
{
if (appliedTags.Contains(geSpec.GameplayEffect.gameplayEffectTags.ApplicationTagRequirements.IgnoreTags[i]))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Applies the gameplay effect spec to self
/// </summary>
/// <param name="geSpec">GameplayEffectSpec to apply</param>
public bool ApplyGameplayEffectSpecToSelf(GameplayEffectSpec geSpec)
{
if (geSpec == null)
{
return(true);
}
bool tagRequirementsOK = CheckTagRequirementsMet(geSpec);
if (tagRequirementsOK == false)
{
return(false);
}
switch (geSpec.GameplayEffect.gameplayEffect.DurationPolicy)
{
case EDurationPolicy.HasDuration:
case EDurationPolicy.Infinite:
ApplyDurationalGameplayEffect(geSpec);
break;
case EDurationPolicy.Instant:
ApplyInstantGameplayEffect(geSpec);
return(true);
}
return(true);
}
void ApplyDurationalGameplayEffect(GameplayEffectSpec spec)
{
var modifiersToApply = new List <GameplayEffectContainer.ModifierContainer>();
for (var i = 0; i < spec.GameplayEffect.gameplayEffect.Modifiers.Length; i++)
{
var modifier = spec.GameplayEffect.gameplayEffect.Modifiers[i];
var magnitude = (modifier.ModifierMagnitude.CalculateMagnitude(spec) * modifier.Multiplier).GetValueOrDefault();
var attributeModifier = new AttributeModifier();
switch (modifier.ModifierOperator)
{
case EAttributeModifier.Add:
attributeModifier.Add = magnitude;
break;
case EAttributeModifier.Multiply:
attributeModifier.Multiply = magnitude;
break;
case EAttributeModifier.Override:
attributeModifier.Override = magnitude;
break;
}
modifiersToApply.Add(new GameplayEffectContainer.ModifierContainer()
{
Attribute = modifier.Attribute, Modifier = attributeModifier
});
}
AppliedGameplayEffects.Add(new GameplayEffectContainer()
{
spec = spec, modifiers = modifiersToApply.ToArray()
});
}
void ApplyInstantGameplayEffect(GameplayEffectSpec spec)
{
for (var i = 0; i < spec.GameplayEffect.gameplayEffect.Modifiers.Length; i++)
{
var modifier = spec.GameplayEffect.gameplayEffect.Modifiers[i];
var magnitude = (modifier.ModifierMagnitude.CalculateMagnitude(spec) * modifier.Multiplier).GetValueOrDefault();
var attribute = modifier.Attribute;
this.AttributeSystem.GetAttributeValue(attribute, out var attributeValue);
switch (modifier.ModifierOperator)
{
case EAttributeModifier.Add:
attributeValue.BaseValue += magnitude;
break;
case EAttributeModifier.Multiply:
attributeValue.BaseValue *= magnitude;
break;
case EAttributeModifier.Override:
attributeValue.BaseValue = magnitude;
break;
}
this.AttributeSystem.SetAttributeBaseValue(attribute, attributeValue.BaseValue);
}
}
public GameplayEffectSpec MakeOutgoingSpec(GameplayEffectScriptableObject GameplayEffect, float?level = 1f)
{
level = level ?? this.Level;
return(GameplayEffectSpec.CreateNew(
GameplayEffect: GameplayEffect,
Source: this,
Level: level.GetValueOrDefault(1)));
}
public override float?CalculateMagnitude(GameplayEffectSpec spec)
{
return(ScalingFunction.Evaluate(spec.Level));
}
public override void Initialise(GameplayEffectSpec spec)
{
}