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using UnityEngine;
using System;
using System.Reflection;
namespace BehaviorDesigner.Runtime.Tasks
{
[TaskDescription("Compares the field value to the value specified. Returns success if the values are the same.")]
[HelpURL("http://www.opsive.com/assets/BehaviorDesigner/documentation.php?id=151")]
[TaskCategory("Reflection")]
[TaskIcon("{SkinColor}ReflectionIcon.png")]
public class CompareFieldValue : Conditional
{
[Tooltip("The GameObject to compare the field on")]
public SharedGameObject targetGameObject;
[Tooltip("The component to compare the field on")]
public SharedString componentName;
[Tooltip("The name of the field")]
public SharedString fieldName;
[Tooltip("The value to compare to")]
public SharedVariable compareValue;
public override TaskStatus OnUpdate()
{
if (compareValue == null) {
Debug.LogWarning("Unable to compare field - compare value is null");
return TaskStatus.Failure;
}
var type = TaskUtility.GetTypeWithinAssembly(componentName.Value);
if (type == null) {
Debug.LogWarning("Unable to compare field - type is null");
return TaskStatus.Failure;
}
var component = GetDefaultGameObject(targetGameObject.Value).GetComponent(type);
if (component == null) {
Debug.LogWarning("Unable to compare the field with component " + componentName.Value);
return TaskStatus.Failure;
}
// If you are receiving a compiler error on the Windows Store platform see this topic:
// http://www.opsive.com/assets/BehaviorDesigner/documentation.php?id=46
var field = component.GetType().GetField(fieldName.Value);
var fieldValue = field.GetValue(component);
if (fieldValue == null && compareValue.GetValue() == null) {
return TaskStatus.Success;
}
return fieldValue.Equals(compareValue.GetValue()) ? TaskStatus.Success : TaskStatus.Failure;
}
public override void OnReset()
{
targetGameObject = null;
componentName = null;
fieldName = null;
compareValue = null;
}
}
}
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