Files
LuaCsForBarotraumaEP/Barotrauma/BarotraumaShared/Source/StatusEffects/PropertyConditional.cs

353 lines
15 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 ass some test cases for the operators?
class PropertyConditional
{
public enum ConditionType
{
PropertyValue,
Name,
SpeciesName,
HasTag,
HasStatusTag,
Affliction
}
public enum Comparison
{
And,
Or
}
public enum OperatorType
{
Equals,
NotEquals,
LessThan,
LessThanEquals,
GreaterThan,
GreaterThanEquals
}
public readonly ConditionType Type;
public readonly OperatorType Operator;
public readonly string AttributeName;
public readonly string AttributeValue;
public readonly float? FloatValue;
public readonly string TargetItemComponentName;
private readonly string[] afflictionNames = new string[] { "internaldamage", "bleeding", "burn", "oxygenlow", "bloodloss", "pressure", "stun", "husk", "afflictionhusk", "huskinfection" };
private readonly int cancelStatusEffect;
// TODO: use XElement instead of XAttribute
public PropertyConditional(XAttribute attribute)
{
AttributeName = attribute.Name.ToString().ToLowerInvariant();
string attributeValueString = attribute.Value.ToString();
if (string.IsNullOrWhiteSpace(attributeValueString))
{
DebugConsole.ThrowError($"Conditional attribute value is empty: {attribute.Parent.ToString()}");
return;
}
string valueString = attributeValueString;
string[] splitString = valueString.Split(' ');
if (splitString.Length > 0)
{
for (int i = 1; i < splitString.Length; i++)
{
valueString = splitString[i] + (i > 1 && i < splitString.Length ? " " : "");
}
}
//thanks xml for not letting me use < or > in attributes :(
string op = splitString[0];
switch (op)
{
case "e":
case "eq":
case "equals":
Operator = OperatorType.Equals;
break;
case "ne":
case "neq":
case "notequals":
case "!":
case "!e":
case "!eq":
case "!equals":
Operator = OperatorType.NotEquals;
break;
case "gt":
case "greaterthan":
Operator = OperatorType.GreaterThan;
break;
case "lt":
case "lessthan":
Operator = OperatorType.LessThan;
break;
case "gte":
case "gteq":
case "greaterthanequals":
Operator = OperatorType.GreaterThanEquals;
break;
case "lte":
case "lteq":
case "lessthanequals":
Operator = OperatorType.LessThanEquals;
break;
default:
if (op != "==" && op != "!=" && op != ">" && op != "<" && op != ">=" && op != "<=") //Didn't use escape strings or anything
{
valueString = attributeValueString; //We probably don't even have an operator
}
break;
}
TargetItemComponentName = attribute.Parent.GetAttributeString("targetitemcomponent", "");
foreach (XElement subElement in attribute.Parent.Elements())
{
switch (subElement.Name.ToString().ToLowerInvariant())
{
case "cancel":
case "canceleffect":
case "cancelstatuseffect":
//This only works if there's a conditional checking for status effect tags. There is no way to cancel *all* status effects atm.
cancelStatusEffect = 1;
if (subElement.GetAttributeBool("all", false)) cancelStatusEffect = 2;
break;
}
}
if (!Enum.TryParse(AttributeName, true, out Type))
{
if (afflictionNames.Any(n => n == AttributeName))
{
Type = ConditionType.Affliction;
if (AttributeName == "husk" || AttributeName == "huskaffliction")
{
AttributeName = "huskinfection";
}
}
else
{
Type = ConditionType.PropertyValue;
}
}
AttributeValue = valueString;
if (float.TryParse(AttributeValue, NumberStyles.Float, CultureInfo.InvariantCulture, out float value))
{
FloatValue = value;
}
}
public bool Matches(ISerializableEntity target)
{
string valStr = AttributeValue.ToString();
switch (Type)
{
case ConditionType.PropertyValue:
SerializableProperty property;
if (target.SerializableProperties.TryGetValue(AttributeName, out property))
{
return Matches(target, property);
}
return false;
case ConditionType.Name:
return (Operator == OperatorType.Equals) == (target.Name == valStr);
case ConditionType.HasTag:
{
string[] readTags = valStr.Split(',');
int matches = 0;
foreach (string tag in readTags)
if (((Item)target).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 >= readTags.Length : matches <= 0;
}
case ConditionType.HasStatusTag:
List<DurationListElement> durations = StatusEffect.DurationList.FindAll(d => d.Targets.Contains(target));
List<DelayedListElement> delays = DelayedEffect.DelayList.FindAll(d => d.Targets.Contains(target));
bool success = false;
if (durations.Count > 0 || delays.Count > 0)
{
string[] readTags = valStr.Split(',');
foreach (DurationListElement duration in durations)
{
int matches = 0;
foreach (string tag in readTags)
if (duration.Parent.HasTag(tag)) matches++;
success = Operator == OperatorType.Equals ? matches >= readTags.Length : matches <= 0;
if (cancelStatusEffect > 0 && success)
StatusEffect.DurationList.Remove(duration);
if (cancelStatusEffect != 2) //cancelStatusEffect 1 = only cancel once, cancelStatusEffect 2 = cancel all of matching tags
return success;
}
foreach (DelayedListElement delay in delays)
{
int matches = 0;
foreach (string tag in readTags)
if (delay.Parent.HasTag(tag)) matches++;
success = Operator == OperatorType.Equals ? matches >= readTags.Length : matches <= 0;
if (cancelStatusEffect > 0 && success)
DelayedEffect.DelayList.Remove(delay);
if (cancelStatusEffect != 2) //ditto
return success;
}
}
else if (Operator == OperatorType.NotEquals)
{
//no status effects, so the tags cannot be equal -> condition met
return true;
}
return success;
case ConditionType.SpeciesName:
Character targetCharacter = target as Character;
if (targetCharacter == null) return false;
return (Operator == OperatorType.Equals) == (targetCharacter.SpeciesName == valStr);
case ConditionType.Affliction:
if (target is Character targetChar)
{
var health = targetChar.CharacterHealth;
if (health == null) { return false; }
var affliction = health.GetAffliction(AttributeName);
if (affliction == null) { return false; }
if (FloatValue.HasValue)
{
float value = FloatValue.Value;
switch (Operator)
{
case OperatorType.Equals:
return affliction.Strength == value;
case OperatorType.GreaterThan:
return affliction.Strength > value;
case OperatorType.GreaterThanEquals:
return affliction.Strength >= value;
case OperatorType.LessThan:
return affliction.Strength < value;
case OperatorType.LessThanEquals:
return affliction.Strength <= value;
case OperatorType.NotEquals:
return affliction.Strength != value;
}
}
}
return false;
default:
return false;
}
}
// TODO: refactor and add tests
private bool Matches(ISerializableEntity target, SerializableProperty property)
{
object propertyValue = property.GetValue(target);
if (propertyValue == null)
{
DebugConsole.ThrowError("Couldn't compare " + AttributeValue.ToString() + " (" + AttributeValue.GetType() + ") to property \"" + property.Name + "\" - property.GetValue() returns null!");
return false;
}
Type type = propertyValue.GetType();
float? floatProperty = null;
if (type == typeof(float) || type == typeof(int))
{
floatProperty = (float)propertyValue;
}
switch (Operator)
{
case OperatorType.Equals:
if (type == typeof(bool))
{
return ((bool)propertyValue) == (AttributeValue == "true");
}
else if (FloatValue == null)
{
return propertyValue.ToString().Equals(AttributeValue);
}
else
{
return propertyValue.Equals(FloatValue);
}
case OperatorType.NotEquals:
if (type == typeof(bool))
{
return ((bool)propertyValue) != (AttributeValue == "true");
}
else if (FloatValue == null)
{
return !propertyValue.ToString().Equals(AttributeValue);
}
else
{
return !propertyValue.Equals(FloatValue);
}
case OperatorType.GreaterThan:
if (FloatValue == null)
{
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.");
}
else if (floatProperty > FloatValue)
{
return true;
}
break;
case OperatorType.LessThan:
if (FloatValue == null)
{
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.");
}
else if (floatProperty < FloatValue)
{
return true;
}
break;
case OperatorType.GreaterThanEquals:
if (FloatValue == null)
{
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.");
}
else if (floatProperty >= FloatValue)
{
return true;
}
break;
case OperatorType.LessThanEquals:
if (FloatValue == null)
{
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.");
}
else if (floatProperty <= FloatValue)
{
return true;
}
break;
}
return false;
}
}
}