using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;
using System.IO;
public class ModelImportMaterials : AssetPostprocessor {
string GetMaterialPath(Material material)
{
string materialPath = "Assets/Materials/" + material.name.Replace(":", "_") + ".mat";
if (AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)))
return materialPath;
return Path.GetDirectoryName(assetPath) + "/Materials/" + material.name.Replace(":", "_") + ".mat";
}
Material OnAssignMaterialModel (Material material, Renderer renderer)
{
string materialPath = GetMaterialPath(material);
// Create the materials directory if it doesn't exist
string basePath = Application.dataPath + "/../" + Path.GetDirectoryName(materialPath);
if(!Directory.Exists(basePath))
Directory.CreateDirectory(basePath);
else
{
// Find if there is a material at the material path
// Turn this off to always regenerate materials
if (AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)))
return (Material)AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material));
}
// Create a new material asset using the appropriate shader
string shaderName = "";
if(material.name.Contains("_RGBA"))
shaderName += "Transparent/";
if(material.name.ToLower().Contains("blinn") || material.name.ToLower().Contains("phong"))
shaderName += "Specular";
else
shaderName += "Diffuse";
material.shader = Shader.Find(shaderName);
AssetDatabase.CreateAsset(material, materialPath);
return material;
}
void OnPostprocessGameObjectWithUserProperties( GameObject go, string[] names, object[] values) {
if(go.name.EndsWith("_info"))
{
string materialPath = Path.GetDirectoryName(assetPath) + "/Materials/" + go.name.Substring(0, go.name.Length - 5) + ".mat";
if (AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)))
{
Material material = (Material)AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material));
for (int i = 0; i < names.Length; i++)
{
if(names[i].StartsWith("unityMaterial"))
{
if(names[i].StartsWith("unityMaterialRepeat"))
{
Vector2 textureScale = material.GetTextureScale("_MainTex");
if(names[i] == "unityMaterialRepeatU")
textureScale[0] = (float)values[i];
else if(names[i] == "unityMaterialRepeatV")
textureScale[1] = (float)values[i];
material.SetTextureScale("_MainTex", textureScale);
}
else if(names[i].StartsWith("unityMaterialOffset"))
{
Vector2 textureOffset = material.GetTextureOffset("_MainTex");
if(names[i] == "unityMaterialOffsetU")
textureOffset[0] = (float)values[i];
else if(names[i] == "unityMaterialOffsetV")
textureOffset[1] = (float)values[i];
material.SetTextureOffset("_MainTex", textureOffset);
}
else if(names[i] == "unityMaterialColorGain")
{
Vector4 newColor = (Vector4)values[i];
newColor[3] = 1.0f;
material.SetColor("_Color", (Color)newColor);
}
}
}
}
}
}
} |
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