public void Push(Material material)
{
Materials.Add(material);
}
private void PushMaterial(string materialName)
{
_currentMaterial = new Material(materialName);
_materialLibrary.Push(_currentMaterial);
}
private void LoadMaterial()
{
var data = Encoding.ASCII.GetBytes(MaterialLibrary);
var materialStream = new MemoryStream(data);
_materialLibraryLoader.Load(materialStream);
_firstMaterial = _materialLibrarySpy.Materials.First();
_secondMaterial = _materialLibrarySpy.Materials.ElementAt(1);
}
public UnityEngine.Material Create(ObjLoader.Loader.Data.Material material)
{
var HasDiffuse = ValidStr(material.DiffuseTextureMap);
var HasBump = ValidStr(material.BumpMap);
var HasParallax = ValidStr(material.DisplacementMap);
var HasSpecular_Color = ValidStr(material.SpecularTextureMap); // Specular color I think
var HasSpecular_Hardness = ValidStr(material.SpecularHighlightTextureMap); // Specular INTENSITY map
var HasEmission = ValidStr(material.EmissiveTextureMap);
var HasAmbientOcclusion = ValidStr(material.AmbientTextureMap);
var HasTransparency = ValidStr(material.AlphaTextureMap);
var HasDecals = ValidStr(material.StencilDecalMap);// Ehh, Someone else will implement support for decals eventually... yeah right...
// Here we will just go ahead and set any of these flags TRUE if we can already tell they are going to be needed.
// This ensures we don't get bad materials when bad moeling programs don't write the correct IlluminationMode into the .mtl files.
var _specularity = (HasSpecular_Color || HasSpecular_Hardness); //does the shader we are using support specularity parameters
var _lighting = HasBump; // Does the material receive lighting from the environment?
var _transparency = HasTransparency; // Does this material need to allow use of the alpha channel when drawing textures?
var _reflection = false;
var _refraction = false;
var _shadows = false;// Does this material cast shadows?
// First let's instantiate a new Unity material using the appropriate shader.
UnityEngine.Material mat = null;
if (material.IlluminationModel >= 1)
{
_lighting = true;
}
if (material.IlluminationModel >= 2)
{
_specularity = true;
}
if (material.IlluminationModel >= 3)
{
_reflection = true;
}
if (material.IlluminationModel >= 4)
{
_transparency = true;
}
switch (material.IlluminationModel)
{
case 0: // Diffuse
break;
case 1: // Diffuse + Ambient
break;
case 2: // Diffuse + Ambient + Specularity
break;
case 3: // Reflection on and Ray trace on
_reflection = true;
break;
case 4: // Transparency: Glass on, Reflection: Ray trace on
_reflection = true;
break;
case 6: // Transparency: Refraction on, Reflection: Fresnel off and Ray trace on
_reflection = true;
break;
case 7: // Transparency: Refraction on, Reflection: Fresnel on and Ray trace on
_reflection = true;
_refraction = true;
break;
case 9: // Transparency: Glass on, Reflection: Ray trace off
break;
case 10: // Casts shadows onto invisible surfaces
break;
}
// Instantiate a material
if (mat == null && _refraction && _transparency)
{
} // Fallthrough to the transparent/diffuse shader for now as we presently have no refraction capable shaders.
if (mat == null && _transparency)
{
mat = new UnityEngine.Material(Shader.Find("Transparent/Diffuse"));
}
//if (mat == null && _lighting) mat = new UnityEngine.Material(Shader.Find("Diffuse"));
if (mat == null && !_lighting)
{
mat = new UnityEngine.Material(Shader.Find("VertexLit"));
}
if (mat == null)
{
mat = new UnityEngine.Material(Shader.Find("Standard"));
}
// Name it
mat.name = material.Name;
// Set any necessarry shader params
var albedo = toUnityColor(material.DiffuseColor);
albedo.a = material.Transparency;
mat.SetColor(Color, albedo);
if (_lighting)
{
mat.SetColor(EmissionColor, toUnityColor(material.AmbientColor));
}
if (_specularity)
{
mat.SetColor(SpecColor, toUnityColor(material.SpecularColor));
}
//mat.SetFloat("_Glossiness", );// We might actually want this to be set to 1.0 because .mlt specs don't define a specularIntensity. instead the specular color is multiplied by the intensity before modeling programs export the material file. so intensity is already encoded in the color...
// Now load all of the textures our material needs...
if (HasDiffuse)
{
this.ApplyTexture(mat, "_MainTex", material.DiffuseTextureMap); // mat.SetTexture("_MainTex", LoadTexture(material.DiffuseTextureMap)); //mat.mainTexture = LoadTexture(material.DiffuseTextureMap);
}
if (HasBump)
{
this.ApplyTexture(mat, "_BumpMap", material.BumpMap); // mat.SetTexture("_BumpMap", LoadTexture(material.BumpMap));
}
if (HasParallax)
{
this.ApplyTexture(mat, "_ParallaxMap", material.DisplacementMap); // mat.SetTexture("_ParallaxMap", LoadTexture(material.DisplacementMap));
}
//if (HasSpecular_Color) this.ApplyTexture(mat, "", material.SpecularTextureMap);// mat.SetTexture("", LoadTexture(material.SpecularTextureMap));
if (HasSpecular_Hardness)
{
this.ApplyTexture(mat, "_MetallicGlossMap", material.SpecularHighlightTextureMap); // mat.SetTexture("_MetallicGlossMap", LoadTexture(material.SpecularHighlightTextureMap));
}
if (HasAmbientOcclusion)
{
this.ApplyTexture(mat, "_OcclusionMap", material.AmbientTextureMap); // mat.SetTexture("_OcclusionMap", LoadTexture(material.AmbientTextureMap));
}
if (HasEmission)
{
this.ApplyTexture(mat, "_EmissionMap", material.EmissiveTextureMap); // mat.SetTexture("_EmissionMap", LoadTexture(material.EmissiveTextureMap));
}
return(mat);
}