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using System.Collections.Generic;
using UnityEngine;
using Object = UnityEngine.Object;
namespace Assets.MaterializeFX.Scripts
{
internal sealed class MfxObjectMaterialUpdater
{
private readonly Renderer[] _renderers;
private readonly Dictionary<Renderer, Material[]> _rendererToOriginalMaterialsMap = new Dictionary<Renderer, Material[]>();
private readonly List<Material> _mfxMaterials = new List<Material>();
public MfxObjectMaterialUpdater(GameObject targetObject, bool modifyChildren, bool replaceMaterials, Material mfxMaterialTemplate)
{
_renderers = modifyChildren ? targetObject.GetComponentsInChildren<Renderer>() : targetObject.GetComponents<Renderer>();
if (!replaceMaterials)
{
foreach (var renderer in _renderers)
foreach (var material in renderer.sharedMaterials)
_mfxMaterials.Add(material);
return;
}
Replace(mfxMaterialTemplate);
}
public void SetFloat(string propertyName, float value)
{
foreach (var mfxMaterial in _mfxMaterials)
mfxMaterial.SetFloat(propertyName, value);
}
public void SetInt(string propertyName, int value)
{
foreach (var mfxMaterial in _mfxMaterials)
mfxMaterial.SetInt(propertyName, value);
}
public void SetVector(string propertyName, Vector3 value)
{
foreach (var mfxMaterial in _mfxMaterials)
mfxMaterial.SetVector(propertyName, value);
}
public void Replace(Material mfxMaterialTemplate)
{
_rendererToOriginalMaterialsMap.Clear();
_mfxMaterials.Clear();
foreach (var renderer in _renderers)
{
var rendererSharedMaterials = renderer.sharedMaterials;
_rendererToOriginalMaterialsMap[renderer] = rendererSharedMaterials;
var newMaterials = MfxMaterialUtil.ReplaceMaterialsToMfx(mfxMaterialTemplate, rendererSharedMaterials, false);
renderer.sharedMaterials = newMaterials.ToArray();
_mfxMaterials.AddRange(newMaterials);
}
}
public void Revert()
{
// ReSharper disable once ForCanBeConvertedToForeach
for (int i = 0; i < _renderers.Length; i++)
{
if (_rendererToOriginalMaterialsMap.ContainsKey(_renderers[i]))
_renderers[i].materials = _rendererToOriginalMaterialsMap[_renderers[i]];
}
_rendererToOriginalMaterialsMap.Clear();
foreach (var mfxMaterial in _mfxMaterials)
Object.DestroyImmediate(mfxMaterial);
_mfxMaterials.Clear();
}
}
}
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