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Automatic binding of component references
// MIT License
//
// Copyright (c) 2017 Sabresaurus
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
using UnityEngine;
using System.Collections;
using System.Reflection;
public enum RecursiveDirection { None, Down, Up };
public class AutoComponent : System.Attribute
{
RecursiveDirection direction = RecursiveDirection.None;
public AutoComponent()
{}
public AutoComponent(RecursiveDirection direction)
{
this.direction = direction;
}
public static void Setup(MonoBehaviour behaviour)
{
FieldInfo[] fields = behaviour.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < fields.Length; i++)
{
object[] customAttributes = fields[i].GetCustomAttributes(typeof(AutoComponent), false);
if(customAttributes.Length > 0)
{
if((customAttributes[0] as AutoComponent).direction == RecursiveDirection.Down)
{
fields[i].SetValue(behaviour, behaviour.GetComponentInChildren(fields[i].FieldType));
}
else if((customAttributes[0] as AutoComponent).direction == RecursiveDirection.Up)
{
fields[i].SetValue(behaviour, behaviour.GetComponentInParent(fields[i].FieldType));
}
else
{
fields[i].SetValue(behaviour, behaviour.GetComponent(fields[i].FieldType));
}
}
}
}
}
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