一键批量添加材质的法线贴图-unity插件

有时候材质做完后需要更改贴图,或者增加贴图,数量少的时候可以一张张添加和修改,数量多的时候就只能代码生成了。原理是通过名字的关联:主贴图和法线贴图大多数只是后缀的不同上,如果不是那是美术规范没做好啊,代码很简单,基本是编辑器类的代码。

这个是还没完善的特定版代码,如直接使用需要更改文件夹名字和贴图后缀。

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using System.IO;
using System.Text; [ExecuteInEditMode]
public class Transferandmapnormal : EditorWindow
{
[MenuItem("Window/AutoAddNormal")] //打开一个新的窗口
static void AutoAddNormalinmaterials()
{ Rect wr = new Rect(, , , );
Transferandmapnormal window = (Transferandmapnormal)EditorWindow.GetWindowWithRect(typeof(Transferandmapnormal), wr, true, "AutoAddNormal");
window.Show();
} public List<Material> scensmaterial = new List<Material>();
public List<string> sourceTexturespath = new List<string>(); private string textureSuffix = "_NRM.jpg";
private string docPath = "DWSJ.fbm";
//public Material[] scensmaterial;
//绘制窗口时调用
void OnGUI()
{
EditorGUILayout.LabelField("自动添加法线贴图或其他贴图", GUILayout.Width(), GUILayout.Height());
GUILayout.BeginArea(new Rect(, , , ), "", "Box");
// textureSuffix = EditorGUILayout.TextField("输入贴图后缀:", textureSuffix);
if (GUILayout.Button("获取场景材质", GUILayout.Width()))
{
if (scensmaterial != null)
{ scensmaterial.Clear(); }
if (sourceTexturespath != null)
{ sourceTexturespath.Clear(); }
GetScenesmaterial();
} if (GUILayout.Button("应用法线贴图到材质", GUILayout.Width()))
{
FindandapplyNormalmap(); }
if (GUILayout.Button("关闭窗口", GUILayout.Width()))
{
this.Close();
}
if (GUILayout.Button("除去法线贴图", GUILayout.Width()))
{
testpath();
}
GUILayout.EndArea(); }
private Material tempmaterial;
//获取场景内的材质球
//获取材质球的贴图名称和路径
void GetScenesmaterial()
{ Object[] selection = Selection.GetFiltered(typeof(Material), SelectionMode.Editable | SelectionMode.TopLevel);
if (selection.Length == ) return; foreach (Material test in selection)
{
if (test.mainTexture != null)
{
scensmaterial.Add(test);
sourceTexturespath.Add(docPath + "/" + test.mainTexture.name + textureSuffix);
}
else
{
scensmaterial.Add(null);
sourceTexturespath.Add("");
} }
}
//在相应的文件夹里获取法线贴图
//把法线贴图贴到material对应的位置
public List<Texture> tempTex;
public void FindandapplyNormalmap()
{ for (int i = ; i < scensmaterial.Count; i++)
{ if (!sourceTexturespath[i].Equals(""))
{
//string path = AssetDatabase.GetAssetPath(targetObj);
// Assets / Resources / DWSJ.fbm / DWSJ00B.jpg
TextureImporter texture = (TextureImporter)AssetImporter.GetAtPath("Assets/Resources" + "/" + sourceTexturespath[i]);
Debug.Log("Assets/Resources" + "/" + sourceTexturespath[i]);
if (texture != null)
{
texture.textureType = TextureImporterType.Bump;
AssetDatabase.ImportAsset("Assets/Resources" + "/" + sourceTexturespath[i]);
string correctString=sourceTexturespath[i].Replace(".jpg","");
Debug.Log(correctString);
Texture TempTexture =Resources.Load(correctString) as Texture;
scensmaterial[i].SetTexture("_BumpMap", TempTexture);
}
}
}
AssetDatabase.Refresh(); }
public void testpath()
{
Object[] selection = (Object[])Selection.objects;
//合法性处理
if (selection.Length == ) return;
//批量导入贴图
foreach (Object obj in selection)
{
//取得每一张贴图
Texture texture = (Texture)obj;
//获得贴图路径
string localpath = AssetDatabase.GetAssetPath(texture);
Debug.Log(localpath);
TextureImporter importer = (TextureImporter)AssetImporter.GetAtPath(localpath);
//设置贴图类型
importer.textureType = TextureImporterType.Bump;
//导入项目资源
AssetDatabase.ImportAsset(localpath);
}
AssetDatabase.Refresh(); } }

api解析:

[ExecuteInEditMode]//在编辑器模式下可调用

[MenuItem("Window/AutoAddNormal")]//在window工具栏下增AutoAddNormal选项
window.Show();//展示新的窗口

GUILayout.Button("应用法线贴图到材质",
GUILayout.Width(200))
//添加按钮

Object[] selection = Selection.GetFiltered(typeof(Material),
SelectionMode.Editable | SelectionMode.TopLevel);//把选取的物体过滤掉非Material类型的object到object选项。

TextureImporter –textureimporeter类可以调各种图片输入器的参数,包括图片的类型也是在这里调节。

AssetDatabase.ImportAsset(localpath);//重新载入asset资源
importer.textureType = TextureImporterType.Bump;//将图片的类型改为法线

AssetDatabase.Refresh();//刷新资源

使用方法:

一键批量添加材质的法线贴图-unity插件

1.在project选取材质

2.点击按键2,批量获取材质和贴图路径

3.获取法线贴图路径并且贴在材质球上

注意事项:(1.法线贴图要放在Resources文件夹上, 2.这个脚本需要修改再使用,因为我还没做通用版本,有些是我自己的文件路径,所以使用需要修改

   private string textureSuffix = "_NRM.jpg";
private string docPath = "DWSJ.fbm";这两句,替换到你自己的贴图后缀和文件名字。

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