using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// Example script, a counterpart to BakeryVolumeTrigger.cs (see that script for more info)
//
public class BakeryVolumeReceiver : MonoBehaviour
{
    public bool forceUsage = false;

    // used by triggers
    internal int enterCounter = 0;
    internal BakeryVolumeTrigger movableTrigger = null;

    Renderer[] renderers;
    MaterialPropertyBlock current;

    // Cache renderers affected by volumes
    void Awake()
    {
        if (renderers == null) renderers = GetComponentsInChildren<Renderer>() as Renderer[];
        if (forceUsage)
        {
            //  HDRP can sometimes (?) fail to use globally set volumes when SRP batching is enabled, so disable it for this object.
            SetPropertyBlock(new MaterialPropertyBlock());
        }
    }

    // Called by triggers
    public void SetPropertyBlock(MaterialPropertyBlock mb)
    {
        if (renderers == null) renderers = GetComponentsInChildren<Renderer>() as Renderer[];
        for(int i=0; i<renderers.Length; i++)
        {
            renderers[i].SetPropertyBlock(mb);
        }
        current = mb;
    }

    // Update shader properties here if the volume is moving
    void LateUpdate()
    {
        if (movableTrigger == null) return;

        movableTrigger.UpdateBounds();
        SetPropertyBlock(current);
    }
}