static MegaCacheOBJMtl HaveMaterial(string name)
{
for (int i = 0; i < mtls.Count; i++)
{
if (mtls[i].name == name)
{
return(mtls[i]);
}
}
MegaCacheOBJMtl mtl = new MegaCacheOBJMtl();
mtl.name = name;
mtls.Add(mtl);
return(mtl);
}
static void LoadMtlLib(string filename)
{
string path = Path.GetDirectoryName(filename);
StreamReader stream = File.OpenText(filename);
string entireText = stream.ReadToEnd();
stream.Close();
using (StringReader reader = new StringReader(entireText))
{
string currentText = reader.ReadLine();
char[] splitIdentifier = { ' ' };
string[] brokenString;
while (currentText != null)
{
currentText = currentText.Trim();
brokenString = currentText.Split(splitIdentifier, 50);
switch (brokenString[0])
{
case "newmtl":
brokenString[1] = brokenString[1].Replace(':', '_');
MegaCacheOBJMtl mtl = HaveMaterial(brokenString[1]);
loadmtl = mtl;
break;
case "Ns":
loadmtl.Ns = float.Parse(brokenString[1]);
break;
case "Ni":
loadmtl.Ni = float.Parse(brokenString[1]);
break;
case "d":
loadmtl.d = float.Parse(brokenString[1]);
break;
case "Tr":
loadmtl.Tr = float.Parse(brokenString[1]);
break;
case "Tf":
loadmtl.Tf.r = float.Parse(brokenString[1]);
loadmtl.Tf.g = float.Parse(brokenString[2]);
loadmtl.Tf.b = float.Parse(brokenString[3]);
break;
case "illum":
loadmtl.illum = int.Parse(brokenString[1]);
break;
case "Ka":
loadmtl.Ka.r = float.Parse(brokenString[1]);
loadmtl.Ka.g = float.Parse(brokenString[2]);
loadmtl.Ka.b = float.Parse(brokenString[3]);
break;
case "Kd":
loadmtl.Kd.r = float.Parse(brokenString[1]);
loadmtl.Kd.g = float.Parse(brokenString[2]);
loadmtl.Kd.b = float.Parse(brokenString[3]);
break;
case "Ks":
loadmtl.Ks.r = float.Parse(brokenString[1]);
loadmtl.Ks.g = float.Parse(brokenString[2]);
loadmtl.Ks.b = float.Parse(brokenString[3]);
break;
case "Ke":
loadmtl.Ke.r = float.Parse(brokenString[1]);
loadmtl.Ke.g = float.Parse(brokenString[2]);
loadmtl.Ke.b = float.Parse(brokenString[3]);
break;
case "map_Ka":
loadmtl.map_Ka = brokenString[1];
break;
case "map_Kd":
string dir = Path.GetDirectoryName(brokenString[1]);
if (dir.Length == 0)
{
loadmtl.map_Kd = path + "/" + brokenString[1];
}
else
{
loadmtl.map_Kd = brokenString[1];
}
break;
}
currentText = reader.ReadLine();
if (currentText != null)
{
currentText = currentText.Replace(" ", " ");
}
}
}
}
public void LoadOBJ(MegaCacheOBJ mod, string filename, int first, int last, int step)
{
if (mod.meshes.Count > 0)
{
if (!EditorUtility.DisplayDialog("Add to or Replace", "Add new OBJ meshes to existing list, or Replace All", "Add", "Replace"))
{
mod.DestroyMeshes();
}
}
if (step < 1)
{
step = 1;
}
mod.InitImport();
for (int i = first; i <= last; i += step)
{
mod.LoadMtl(filename, i);
}
for (int i = first; i <= last; i += step)
{
float a = (float)(i + 1 - first) / (last - first);
if (!EditorUtility.DisplayCancelableProgressBar("Loading OBJ Meshes", "Frame " + i, a))
{
Mesh ms = mod.LoadFrame(filename, i);
if (ms)
{
mod.AddMesh(ms);
}
else
{
EditorUtility.DisplayDialog("Can't Load File", "Could not load frame " + i + " of sequence! Import Stopped.", "OK");
break;
}
}
else
{
break;
}
}
EditorUtility.ClearProgressBar();
if (mod.loadmtls)
{
int count = MegaCacheObjImporter.NumMtls();
Material[] mats = new Material[count];
for (int i = 0; i < count; i++)
{
MegaCacheOBJMtl mtl = MegaCacheObjImporter.GetMtl(i);
switch (mtl.illum)
{
case 0:
case 1:
mats[i] = CreateMaterial(mtl.name, "Diffuse");
break;
case 2:
mats[i] = CreateMaterial(mtl.name, "Specular");
#if UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6 || UNITY_2017 || UNITY_2018 || UNITY_2019 || UNITY_2020
mats[i].SetColor("_SpecColor", mtl.Ks);
#else
mats[i].SetColor("_SpecCol", mtl.Ks);
#endif
mats[i].SetFloat("_Shininess", mtl.Ns);
break;
case 4:
case 6:
case 7:
case 9:
mats[i] = CreateMaterial(mtl.name, "Transparent/Specular");
#if UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6 || UNITY_2017 || UNITY_2018 || UNITY_2019 || UNITY_2020
mats[i].SetColor("_SpecColor", mtl.Ks);
#else
mats[i].SetColor("_SpecCol", mtl.Ks);
#endif
mats[i].SetFloat("_Shininess", mtl.Ns);
break;
case 3:
case 5:
case 8:
mats[i] = CreateMaterial(mtl.name, "Reflection/Specular");
#if UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6 || UNITY_2017 || UNITY_2018 || UNITY_2019 || UNITY_2020
mats[i].SetColor("_SpecColor", mtl.Ks);
#else
mats[i].SetColor("_SpecCol", mtl.Ks);
#endif
mats[i].SetFloat("_Shininess", mtl.Ns);
break;
}
mats[i].name = mtl.name;
mats[i].color = mtl.Kd;
if (mtl.map_Kd != null)
{
mats[i].mainTexture = LoadTexture(mtl.map_Kd);
}
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}
mod.GetComponent <Renderer>().sharedMaterials = mats;
}
}
static void LoadMtlLib(string filename)
{
string path = Path.GetDirectoryName(filename);
StreamReader stream = File.OpenText(filename);
string entireText = stream.ReadToEnd();
stream.Close();
using ( StringReader reader = new StringReader(entireText) )
{
string currentText = reader.ReadLine();
char[] splitIdentifier = { ' ' };
string[] brokenString;
while ( currentText != null )
{
currentText = currentText.Trim();
brokenString = currentText.Split(splitIdentifier, 50);
switch ( brokenString[0] )
{
case "newmtl":
MegaCacheOBJMtl mtl = HaveMaterial(brokenString[1]);
loadmtl = mtl;
break;
case "Ns":
loadmtl.Ns = float.Parse(brokenString[1]);
break;
case "Ni":
loadmtl.Ni = float.Parse(brokenString[1]);
break;
case "d":
loadmtl.d = float.Parse(brokenString[1]);
break;
case "Tr":
loadmtl.Tr = float.Parse(brokenString[1]);
break;
case "Tf":
loadmtl.Tf.r = float.Parse(brokenString[1]);
loadmtl.Tf.g = float.Parse(brokenString[2]);
loadmtl.Tf.b = float.Parse(brokenString[3]);
break;
case "illum":
loadmtl.illum = int.Parse(brokenString[1]);
break;
case "Ka":
loadmtl.Ka.r = float.Parse(brokenString[1]);
loadmtl.Ka.g = float.Parse(brokenString[2]);
loadmtl.Ka.b = float.Parse(brokenString[3]);
break;
case "Kd":
loadmtl.Kd.r = float.Parse(brokenString[1]);
loadmtl.Kd.g = float.Parse(brokenString[2]);
loadmtl.Kd.b = float.Parse(brokenString[3]);
break;
case "Ks":
loadmtl.Ks.r = float.Parse(brokenString[1]);
loadmtl.Ks.g = float.Parse(brokenString[2]);
loadmtl.Ks.b = float.Parse(brokenString[3]);
break;
case "Ke":
loadmtl.Ke.r = float.Parse(brokenString[1]);
loadmtl.Ke.g = float.Parse(brokenString[2]);
loadmtl.Ke.b = float.Parse(brokenString[3]);
break;
case "map_Ka":
loadmtl.map_Ka = brokenString[1];
break;
case "map_Kd":
string dir = Path.GetDirectoryName(brokenString[1]);
if ( dir.Length == 0 )
loadmtl.map_Kd = path + "/" + brokenString[1];
else
loadmtl.map_Kd = brokenString[1];
break;
}
currentText = reader.ReadLine();
if ( currentText != null )
currentText = currentText.Replace(" ", " ");
}
}
}
static MegaCacheOBJMtl HaveMaterial(string name)
{
for ( int i = 0; i < mtls.Count; i++ )
{
if ( mtls[i].name == name )
{
return mtls[i];
}
}
MegaCacheOBJMtl mtl = new MegaCacheOBJMtl();
mtl.name = name;
mtls.Add(mtl);
return mtl;
}
