Files
LuaCsForBarotraumaEP/Barotrauma/BarotraumaShared/SharedSource/StatusEffects/PropertyConditional.cs
2022-04-08 00:34:17 +09:00

423 lines
17 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Xml.Linq;
using System.Linq;
namespace Barotrauma
{
// TODO: This class should be refactored:
// - Use XElement instead of XAttribute in the constructor
// - Simplify, remove unnecessary conversions
// - Improve the flow so that the logic is undestandable.
// - Maybe add some test cases for the operators?
class PropertyConditional
{
public enum ConditionType
{
Uncertain,
PropertyValue,
Name,
SpeciesName,
SpeciesGroup,
HasTag,
HasStatusTag,
HasSpecifierTag,
Affliction,
EntityType,
LimbType
}
public enum Comparison
{
And,
Or
}
public enum OperatorType
{
None,
Equals,
NotEquals,
LessThan,
LessThanEquals,
GreaterThan,
GreaterThanEquals
}
public readonly ConditionType Type;
public readonly OperatorType Operator;
public readonly Identifier AttributeName;
public readonly string AttributeValue;
public readonly string[] SplitAttributeValue;
public readonly float? FloatValue;
public readonly string TargetItemComponentName;
// Only used by attacks
public readonly bool TargetSelf;
// Only used by conditionals targeting an item (makes the conditional check the item/character whose inventory this item is inside)
public readonly bool TargetContainer;
// Only used by conditionals targeting an item. By default, containers check the parent item. This allows you to check the grandparent instead.
public readonly bool TargetGrandParent;
public readonly bool TargetContainedItem;
// Remove this after refactoring
public static bool IsValid(XAttribute attribute)
{
switch (attribute.Name.ToString().ToLowerInvariant())
{
case "targetitemcomponent":
case "targetself":
case "targetcontainer":
case "targetgrandparent":
case "targetcontaineditem":
return false;
default:
return true;
}
}
// TODO: use XElement instead of XAttribute (how to do without breaking the existing content?)
public PropertyConditional(XAttribute attribute)
{
AttributeName = attribute.NameAsIdentifier();
string attributeValueString = attribute.Value;
if (string.IsNullOrWhiteSpace(attributeValueString))
{
DebugConsole.ThrowError($"Conditional attribute value is empty: {attribute.Parent}");
return;
}
string valueString = attributeValueString;
string[] splitString = valueString.Split(' ', StringSplitOptions.RemoveEmptyEntries);
if (splitString.Length > 1) { valueString = string.Join(' ', splitString.Skip(1)); }
Operator = GetOperatorType(splitString[0]);
if (Operator == OperatorType.None)
{
Operator = OperatorType.Equals;
valueString = attributeValueString;
}
TargetItemComponentName = attribute.Parent.GetAttributeString("targetitemcomponent", "");
TargetContainer = attribute.Parent.GetAttributeBool("targetcontainer", false);
TargetSelf = attribute.Parent.GetAttributeBool("targetself", false);
TargetGrandParent = attribute.Parent.GetAttributeBool("targetgrandparent", false);
TargetContainedItem = attribute.Parent.GetAttributeBool("targetcontaineditem", false);
if (!Enum.TryParse(AttributeName.Value, true, out Type))
{
Type = ConditionType.Uncertain;
}
AttributeValue = valueString;
SplitAttributeValue = valueString.Split(',');
if (float.TryParse(AttributeValue, NumberStyles.Float, CultureInfo.InvariantCulture, out float value))
{
FloatValue = value;
}
}
public static OperatorType GetOperatorType(string op)
{
//thanks xml for not letting me use < or > in attributes :(
switch (op)
{
case "e":
case "eq":
case "equals":
return OperatorType.Equals;
case "ne":
case "neq":
case "notequals":
case "!":
case "!e":
case "!eq":
case "!equals":
return OperatorType.NotEquals;
case "gt":
case "greaterthan":
return OperatorType.GreaterThan;
case "lt":
case "lessthan":
return OperatorType.LessThan;
case "gte":
case "gteq":
case "greaterthanequals":
return OperatorType.GreaterThanEquals;
case "lte":
case "lteq":
case "lessthanequals":
return OperatorType.LessThanEquals;
default:
return OperatorType.None;
}
}
public bool Matches(ISerializableEntity target)
{
return Matches(target, TargetContainedItem);
}
public bool Matches(ISerializableEntity target, bool checkContained)
{
var type = Type;
if (type == ConditionType.Uncertain)
{
type = AfflictionPrefab.Prefabs.ContainsKey(AttributeName)
? ConditionType.Affliction
: ConditionType.PropertyValue;
}
if (checkContained)
{
if (target is Item item)
{
foreach (var containedItem in item.ContainedItems)
{
if (Matches(containedItem, checkContained: false)) { return true; }
}
return false;
}
else if (target is Items.Components.ItemComponent ic)
{
foreach (var containedItem in ic.Item.ContainedItems)
{
if (Matches(containedItem, checkContained: false)) { return true; }
}
return false;
}
else if (target is Character character)
{
if (character.Inventory == null) { return false; }
foreach (var containedItem in character.Inventory.AllItems)
{
if (Matches(containedItem, checkContained: false)) { return true; }
}
return false;
}
}
switch (type)
{
case ConditionType.PropertyValue:
SerializableProperty property;
if (target?.SerializableProperties == null) { return Operator == OperatorType.NotEquals; }
if (target.SerializableProperties.TryGetValue(AttributeName, out property))
{
return Matches(target, property);
}
return false;
case ConditionType.Name:
if (target == null) { return Operator == OperatorType.NotEquals; }
return (Operator == OperatorType.Equals) == (target.Name == AttributeValue);
case ConditionType.HasTag:
if (target == null) { return Operator == OperatorType.NotEquals; }
return MatchesTagCondition(target);
case ConditionType.HasStatusTag:
if (target == null) { return Operator == OperatorType.NotEquals; }
int matches = 0;
foreach (DurationListElement durationEffect in StatusEffect.DurationList)
{
if (!durationEffect.Targets.Contains(target)) { continue; }
foreach (string tag in SplitAttributeValue)
{
if (durationEffect.Parent.HasTag(tag))
{
matches++;
}
}
}
foreach (DelayedListElement delayedEffect in DelayedEffect.DelayList)
{
if (!delayedEffect.Targets.Contains(target)) { continue; }
foreach (string tag in SplitAttributeValue)
{
if (delayedEffect.Parent.HasTag(tag))
{
matches++;
}
}
}
return Operator == OperatorType.Equals ? matches >= SplitAttributeValue.Length : matches <= 0;
case ConditionType.HasSpecifierTag:
{
if (target == null) { return Operator == OperatorType.NotEquals; }
if (!(target is Character { Info: { } characterInfo })) { return false; }
return (Operator == OperatorType.Equals) ==
SplitAttributeValue.All(v => characterInfo.Head.Preset.TagSet.Contains(v));
}
case ConditionType.SpeciesName:
{
if (target == null) { return Operator == OperatorType.NotEquals; }
if (!(target is Character targetCharacter)) { return false; }
return (Operator == OperatorType.Equals) == (targetCharacter.SpeciesName == AttributeValue);
}
case ConditionType.SpeciesGroup:
{
if (target == null) { return Operator == OperatorType.NotEquals; }
if (!(target is Character targetCharacter)) { return false; }
return (Operator == OperatorType.Equals) == targetCharacter.Params.CompareGroup(AttributeValue.ToIdentifier());
}
case ConditionType.EntityType:
switch (AttributeValue)
{
case "character":
case "Character":
return (Operator == OperatorType.Equals) == target is Character;
case "limb":
case "Limb":
return (Operator == OperatorType.Equals) == target is Limb;
case "item":
case "Item":
return (Operator == OperatorType.Equals) == target is Item;
case "structure":
case "Structure":
return (Operator == OperatorType.Equals) == target is Structure;
case "null":
return (Operator == OperatorType.Equals) == (target == null);
default:
return false;
}
case ConditionType.LimbType:
{
if (!(target is Limb limb))
{
return false;
}
else
{
return limb.type.ToString().Equals(AttributeValue, StringComparison.OrdinalIgnoreCase);
}
}
case ConditionType.Affliction:
{
if (target == null) { return Operator == OperatorType.NotEquals; }
Character targetChar = target as Character;
if (target is Limb limb) { targetChar = limb.character; }
if (targetChar != null)
{
var health = targetChar.CharacterHealth;
if (health == null) { return false; }
var affliction = health.GetAffliction(AttributeName.ToIdentifier());
float afflictionStrength = affliction == null ? 0.0f : affliction.Strength;
if (FloatValue.HasValue)
{
float value = FloatValue.Value;
switch (Operator)
{
case OperatorType.Equals:
return afflictionStrength == value;
case OperatorType.GreaterThan:
return afflictionStrength > value;
case OperatorType.GreaterThanEquals:
return afflictionStrength >= value;
case OperatorType.LessThan:
return afflictionStrength < value;
case OperatorType.LessThanEquals:
return afflictionStrength <= value;
case OperatorType.NotEquals:
return afflictionStrength != value;
}
}
}
}
return false;
default:
return false;
}
}
private bool MatchesTagCondition(ISerializableEntity target)
{
if (!(target is Item item)) { return Operator == OperatorType.NotEquals; }
int matches = 0;
foreach (string tag in SplitAttributeValue)
{
if (item.HasTag(tag))
{
matches++;
}
}
//If operator is == then it needs to match everything, otherwise if its != there must be zero matches.
return Operator == OperatorType.Equals ? matches >= SplitAttributeValue.Length : matches <= 0;
}
public bool MatchesTagCondition(Identifier targetTag)
{
if (targetTag.IsEmpty || Type != ConditionType.HasTag) { return false; }
int matches = 0;
foreach (string tag in SplitAttributeValue)
{
if (targetTag == tag)
{
matches++;
}
}
//If operator is == then it needs to match everything, otherwise if its != there must be zero matches.
return Operator == OperatorType.Equals ? matches >= SplitAttributeValue.Length : matches <= 0;
}
// TODO: refactor and add tests
private bool Matches(ISerializableEntity target, SerializableProperty property)
{
Type type = property.PropertyType;
if (type == typeof(float) || type == typeof(int))
{
float floatValue = property.GetFloatValue(target);
switch (Operator)
{
case OperatorType.Equals:
return MathUtils.NearlyEqual(floatValue, FloatValue.Value);
case OperatorType.NotEquals:
return !MathUtils.NearlyEqual(floatValue, FloatValue.Value);
case OperatorType.GreaterThan:
return floatValue > FloatValue.Value;
case OperatorType.LessThan:
return floatValue < FloatValue.Value;
case OperatorType.GreaterThanEquals:
return floatValue >= FloatValue.Value;
case OperatorType.LessThanEquals:
return floatValue <= FloatValue.Value;
}
return false;
}
switch (Operator)
{
case OperatorType.Equals:
if (type == typeof(bool))
{
return property.GetBoolValue(target) == (AttributeValue == "true" || AttributeValue == "True");
}
return property.GetValue(target).ToString().Equals(AttributeValue);
case OperatorType.NotEquals:
if (type == typeof(bool))
{
return property.GetBoolValue(target) != (AttributeValue == "true" || AttributeValue == "True");
}
return !property.GetValue(target).ToString().Equals(AttributeValue);
case OperatorType.GreaterThan:
case OperatorType.LessThanEquals:
case OperatorType.LessThan:
case OperatorType.GreaterThanEquals:
DebugConsole.ThrowError("Couldn't compare " + AttributeValue.ToString() + " (" + AttributeValue.GetType() + ") to property \"" + property.Name + "\" (" + type + ")! "
+ "Make sure the type of the value set in the config files matches the type of the property.");
break;
}
return false;
}
}
}