public override MtlAssetFormat Read(string assetPath)
{
MtlAssetFormat mtlAssetFormat = new MtlAssetFormat();
string mtlAllData = System.IO.File.ReadAllText(assetPath);
string[] mtlDatas = mtlAllData.Split('\n');
foreach (string mtlData in mtlDatas)
{
if (0 == mtlData.Length)
{
continue;
}
string trimedMtlData = mtlData.Trim();
int firstWhiteSpaceIndex = trimedMtlData.IndexOf(" ", 0);
if (-1 == firstWhiteSpaceIndex)
{
continue;
}
string header = trimedMtlData.Substring(0, firstWhiteSpaceIndex).Trim();
string body = trimedMtlData.Substring(firstWhiteSpaceIndex, trimedMtlData.Length - firstWhiteSpaceIndex).Trim();
switch (header)
{
case ObjAssetBaseFormat.COMMENT:
break;
case MtlAssetBaseFormat.NEWMTL:
MtlAssetBaseParser <MtlAssetNewmtlFormat> newmtlStream = new MtlAssetNewmtlParser();
MtlAssetNewmtlFormat newmtl = newmtlStream.Read(header, body);
mtlAssetFormat.newmtlList.Add(newmtl);
break;
case MtlAssetBaseFormat.NI:
MtlAssetBaseParser <MtlAssetShininessFormat> shininessStream = new MtlAssetShininessParser();
MtlAssetShininessFormat ni = shininessStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetShininessFormat>(ni);
break;
case MtlAssetBaseFormat.NS:
MtlAssetBaseParser <MtlAssetSpecularIndexFormat> specularIndexStream = new MtlAssetSpecularIndexParser();
MtlAssetSpecularIndexFormat ns = specularIndexStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetSpecularIndexFormat>(ns);
break;
case MtlAssetBaseFormat.KA:
MtlAssetBaseParser <MtlAssetAmbientFormat> ambientStream = new MtlAssetAmbientParser();
MtlAssetAmbientFormat ka = ambientStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetAmbientFormat>(ka);
break;
case MtlAssetBaseFormat.KD:
MtlAssetBaseParser <MtlAssetDiffuseFormat> diffuseStream = new MtlAssetDiffuseParser();
MtlAssetDiffuseFormat kd = diffuseStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetDiffuseFormat>(kd);
break;
case MtlAssetBaseFormat.KS:
MtlAssetBaseParser <MtlAssetSpecularFormat> specularStream = new MtlAssetSpecularParser();
MtlAssetSpecularFormat ks = specularStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetSpecularFormat>(ks);
break;
case MtlAssetBaseFormat.D:
MtlAssetBaseParser <MtlAssetDissolveFormat> dissolveStream = new MtlAssetDissolveParser();
MtlAssetDissolveFormat d = dissolveStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetDissolveFormat>(d);
break;
case MtlAssetBaseFormat.TF:
MtlAssetBaseParser <MtlAssetSpectralFormat> spectralStream = new MtlAssetSpectralParser();
MtlAssetSpectralFormat tf = spectralStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetSpectralFormat>(tf);
break;
case MtlAssetBaseFormat.TR:
dissolveStream = new MtlAssetDissolveParser();
MtlAssetDissolveFormat tr = dissolveStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetDissolveFormat>(tr);
break;
case MtlAssetBaseFormat.ILLUM:
MtlAssetBaseParser <MtlAssetIlluminationFormat> illuminationStream = new MtlAssetIlluminationParser();
MtlAssetIlluminationFormat illum = illuminationStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetIlluminationFormat>(illum);
break;
case MtlAssetBaseFormat.MAP_KA:
MtlAssetBaseParser <MtlAssetAmbientTextureMapFormat> ambientTextureStream = new MtlAssetAmbientTextureMapParser();
MtlAssetAmbientTextureMapFormat mapka = ambientTextureStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetAmbientTextureMapFormat>(mapka);
break;
case MtlAssetBaseFormat.MAP_KD:
MtlAssetBaseParser <MtlAssetDiffuseTextureMapFormat> diffuseTextureStream = new MtlAssetDiffuseTextureMapParser();
MtlAssetDiffuseTextureMapFormat mapkd = diffuseTextureStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetDiffuseTextureMapFormat>(mapkd);
break;
case MtlAssetBaseFormat.MAP_KS:
MtlAssetBaseParser <MtlAssetSpecularTextureMapFormat> specularTextureMapStream = new MtlAssetSpecularTextureMapParser();
MtlAssetSpecularTextureMapFormat mapks = specularTextureMapStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetSpecularTextureMapFormat>(mapks);
break;
case MtlAssetBaseFormat.MAP_NS:
MtlAssetBaseParser <MtlAssetSpecularIndexTextureMapFormat> specularIndexTextureStream = new MtlAssetSpecularIndexTextureMapParser();
MtlAssetSpecularIndexTextureMapFormat mapns = specularIndexTextureStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetSpecularIndexTextureMapFormat>(mapns);
break;
case MtlAssetBaseFormat.MAP_BUMP:
MtlAssetBaseParser <MtlAssetBumpTextureMapFormat> bumpTextureMapStream = new MtlAssetBumpTextureMapParser();
MtlAssetBumpTextureMapFormat mapbump = bumpTextureMapStream.Read(header, body);
mtlAssetFormat.Add <MtlAssetBumpTextureMapFormat>(mapbump);
break;
case MtlAssetBaseFormat.BUMP:
break;
default:
string log = string.Format("unknown format.header::{0},body{1}", header, body);
Debug.LogWarning(log);
break;
}
}
return(mtlAssetFormat);
}
public Dictionary <string, Material> Build(string path)
{
MtlAssetStream stream = new MtlAssetStream();
MtlAssetFormat format = stream.Read(path);
Dictionary <string, Material> materialList = new Dictionary <string, Material>();
string rootDirectoryPath = Path.GetDirectoryName(path);
foreach (MtlAssetNewmtlFormat newmtlFormat in format.newmtlList)
{
MtlAssetIlluminationFormat illumFormat = format.illumDictionary[newmtlFormat.name];
string shaderName = string.Empty;
if (2 == illumFormat.illuminationType)
{
shaderName = "Mobile/Bumped Specular";
}
else
{
if (false != format.mapkdDictionary.ContainsKey(newmtlFormat.name))
{
shaderName = "Mobile/Bumped Diffuse";
}
else
{
shaderName = "Mobile/Diffuse";
}
}
Shader shader = Shader.Find(shaderName);
Material material = new Material(shader);
material.name = newmtlFormat.name;
if (false != format.niDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetShininessFormat shininess = format.niDictionary[newmtlFormat.name];
material.SetFloat("_Shininess", shininess.shininess);
}
if (false != format.nsDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetSpecularIndexFormat specularIndex = format.nsDictionary[newmtlFormat.name];
material.SetFloat("_Shininess", specularIndex.shininess);
}
if (false != format.dDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetDissolveFormat dissolve = format.dDictionary[newmtlFormat.name];
material.SetFloat("_Dissolve", dissolve.dissolve);
}
if (false != format.kaDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetAmbientFormat ambient = format.kaDictionary[newmtlFormat.name];
material.SetColor("_Color", ambient.color);
}
if (false != format.kdDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetDiffuseFormat diffuse = format.kdDictionary[newmtlFormat.name];
material.SetColor("_Color", diffuse.color);
}
if (false != format.ksDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetSpecularFormat specular = format.ksDictionary[newmtlFormat.name];
material.SetColor("_SpecColor", specular.color);
}
if (false != format.mapkdDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetDiffuseTextureMapFormat diffuseTexture = format.mapkdDictionary[newmtlFormat.name];
string texturePath = Path.Combine(rootDirectoryPath, diffuseTexture.name);
byte[] textureData = File.ReadAllBytes(texturePath);
Texture2D texture = new Texture2D(0, 0);
texture.LoadImage(textureData);
material.SetTexture("_MainTex", texture);
material.SetColor("_Color", Color.white);
}
if (false != format.mapbumpDictionary.ContainsKey(newmtlFormat.name))
{
MtlAssetBumpTextureMapFormat bumpmapTexture = format.mapbumpDictionary[newmtlFormat.name];
string texturePath = Path.Combine(rootDirectoryPath, bumpmapTexture.name);
byte[] textureData = File.ReadAllBytes(texturePath);
Texture2D texture = new Texture2D(0, 0);
texture.LoadImage(textureData);
material.SetTexture("_BumpMap", texture);
material.SetColor("_Color", Color.white);
}
materialList.Add(newmtlFormat.name, material);
}
return(materialList);
}