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83 行
3.0 KiB
83 行
3.0 KiB
using System;
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namespace UnityEngine.Perception.Randomization.Parameters
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{
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/// <summary>
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/// Used to apply sampled parameter values to a particular GameObject, Component, and property.
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/// Typically managed by a parameter configuration.
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/// </summary>
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[Serializable]
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public class ParameterTarget
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{
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[SerializeField] internal GameObject gameObject;
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[SerializeField] internal Component component;
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[SerializeField] internal string propertyName = "";
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[SerializeField] internal FieldOrProperty fieldOrProperty;
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[SerializeField] internal ParameterApplicationFrequency applicationFrequency;
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/// <summary>
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/// Assigns a new target
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/// </summary>
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/// <param name="targetObject">The target GameObject</param>
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/// <param name="targetComponent">The target component on the target GameObject</param>
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/// <param name="fieldOrPropertyName">The name of the property to apply the parameter to</param>
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/// <param name="frequency">How often to apply the parameter to its target</param>
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public void AssignNewTarget(
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GameObject targetObject,
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Component targetComponent,
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string fieldOrPropertyName,
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ParameterApplicationFrequency frequency)
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{
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gameObject = targetObject;
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component = targetComponent;
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propertyName = fieldOrPropertyName;
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applicationFrequency = frequency;
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var componentType = component.GetType();
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fieldOrProperty = componentType.GetField(fieldOrPropertyName) != null
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? FieldOrProperty.Field
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: FieldOrProperty.Property;
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}
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internal void Clear()
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{
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gameObject = null;
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component = null;
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propertyName = string.Empty;
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}
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internal void ApplyValueToTarget(object value)
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{
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var componentType = component.GetType();
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if (fieldOrProperty == FieldOrProperty.Field)
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{
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var field = componentType.GetField(propertyName);
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if (field == null)
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throw new ParameterValidationException(
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$"Component type {componentType.Name} does not have a field named {propertyName}");
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field.SetValue(component, value);
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}
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else
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{
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var property = componentType.GetProperty(propertyName);
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if (property == null)
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throw new ParameterValidationException(
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$"Component type {componentType.Name} does not have a property named {propertyName}");
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property.SetValue(component, value);
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}
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}
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}
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/// <summary>
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/// How often to apply a new sample to a parameter's target
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/// </summary>
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public enum ParameterApplicationFrequency
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{
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OnIterationSetup,
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EveryFrame
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}
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enum FieldOrProperty
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{
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Field, Property
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}
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}
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