void ImportTexture(string type, string path)
{
if (File.Exists(path))
{
string texMapName = (string)mapNames[Regex.Replace(type, @"\b([a-z])", m => m.Value.ToUpper())];
string tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName) : texPath + texMapName;
string importPath = tempTexName + ".png";
MegascansImageUtils.CreateTexture(path, importPath);
MegascansImageUtils.TextureImportSetup(importPath, false, false);
}
}
/// <summary>
/// Previous version of the importer would loop through a list of texture paths, and use a bunch of if-statements and do things accordingly.
/// This version just takes in every texture path and if it's not null, does the thing. Less looping, better overall performance.
/// </summary>
/// <param name="albedo"></param>
/// <param name="opacity"></param>
/// <param name="normals"></param>
/// <param name="metallic"></param>
/// <param name="specular"></param>
/// <param name="AO"></param>
/// <param name="gloss"></param>
/// <param name="displacement"></param>
/// <param name="roughness"></param>
/// <param name="translucency"></param>
Material ReadWriteAllTextures(string albedo, string opacity, string normals, string metallic, string specular, string AO, string gloss, string displacement, string roughness, string translucency)
{
try {
Material mat = CreateMaterial();
if (mat == null)
{
return(null);
}
//create a new work thread for each texture to be processed.
//Pack the opacity into the alpha channel of albedo if it exists.
string texMapName = (string)mapNames["Albedo"];
tempTexName = texPath.Contains("$mapName")? texPath.Replace("$mapName", texMapName): texPath + texMapName;
string p = tempTexName + ".png";
mapName = opacity != null ? "Albedo + Alpha" : "Albedo";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
Texture2D tex = MegascansImageUtils.PackTextures(albedo, opacity, p);
mat.SetTexture("_MainTex", tex);
mat.SetTexture("_BaseColorMap", tex);
if (shaderType == 1)
{
mat.SetTexture("_BaseMap", tex);
mat.SetColor("_BaseColor", Color.white);
}
if (opacity != null)
{
if (shaderType > 0)
{
mat.SetFloat("_AlphaClip", 1);
mat.SetFloat("_Mode", 1);
mat.SetFloat("_Cull", 1);
mat.EnableKeyword("_ALPHATEST_ON");
}
else
{
mat.SetInt("_AlphaCutoffEnable", 1);
mat.SetFloat("_AlphaCutoff", 0.333f);
mat.SetInt("_DoubleSidedEnable", 1);
mat.SetOverrideTag("RenderType", "TransparentCutout");
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.SetInt("_CullMode", (int)UnityEngine.Rendering.CullMode.Off);
mat.SetInt("_CullModeForward", (int)UnityEngine.Rendering.CullMode.Back);
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
mat.SetInt("_ZWrite", 1);
mat.renderQueue = 2450;
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.EnableKeyword("_ALPHATEST_ON");
mat.EnableKeyword("_DOUBLESIDED_ON");
mat.DisableKeyword("_BLENDMODE_ALPHA");
mat.DisableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
}
//test to see if gloss is absent but roughness is present...
bool useRoughness = (gloss == null && roughness != null);
if (texPack < 1 || shaderType < 1)
{
mapName = "Masks";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", "Masks"): texPath + "Masks";
p = tempTexName + ".png";
mat.SetFloat("_Metallic", 1.0f);
tex = MegascansImageUtils.PackTextures(metallic, AO, displacement, useRoughness ? roughness : gloss, p, useRoughness);
mat.SetTexture("_MaskMap", tex);
mat.EnableKeyword("_MASKMAP");
mat.SetFloat("_MaterialID", 1);
mat.SetTexture("_MetallicGlossMap", tex);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_METALLICGLOSSMAP");
}
//do we need to process a specular map?
if (texPack > 0 && specular != null)
{
texMapName = (string)mapNames["Specular"];
mapName = "Specular + Gloss";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
tex = MegascansImageUtils.PackTextures(specular, useRoughness ? roughness : gloss, p, useRoughness);
mat.SetTexture("_SpecGlossMap", tex);
mat.SetColor("_SpecColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetColor("_SpecularColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetFloat("_WorkflowMode", 0);
mat.SetFloat("_MaterialID", 4);
mat.SetTexture("_SpecularColorMap", tex);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_SPECGLOSSMAP");
mat.EnableKeyword("_SPECULAR_SETUP");
mat.EnableKeyword("_SPECULARCOLORMAP");
mat.EnableKeyword("_MATERIAL_FEATURE_SPECULAR_COLOR");
}
//handle any textures which can just be converted in place.
if (normals != null)
{
texMapName = (string)mapNames["Normal"];
mapName = "Normals";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(normals, p);
tex = MegascansImageUtils.TextureImportSetup(p, true, false);
mat.SetTexture("_BumpMap", tex);
mat.SetTexture("_NormalMap", tex);
mat.EnableKeyword("_NORMALMAP_TANGENT_SPACE");
mat.EnableKeyword("_NORMALMAP");
mapName = "Normals_Terrain";
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName + "_Terrain"): texPath + texMapName + "_Terrain";
p = tempTexName + ".png";
if (generateTerrainNormal && type.ToLower().Contains("surface"))
{
MegascansImageUtils.ImportTerrainNormal(normals, p);
}
}
if (displacement != null && dispType > 0)
{
texMapName = (string)mapNames["Displacement"];
mapName = "Displacement";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(displacement, p);
tex = MegascansImageUtils.TextureImportSetup(p, false, false);
mat.SetTexture("_HeightMap", tex);
mat.SetTexture("_ParallaxMap", tex);
mat.EnableKeyword("_DISPLACEMENT_LOCK_TILING_SCALE");
if (dispType == 1)
{
mat.EnableKeyword("_VERTEX_DISPLACEMENT");
mat.EnableKeyword("_VERTEX_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
if (dispType == 2)
{
mat.EnableKeyword("_PIXEL_DISPLACEMENT");
mat.EnableKeyword("_PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
}
//occlusion may or may not need to be packed, depending on the shader used.
if (shaderType > 1 && AO != null)
{
texMapName = (string)mapNames["AO"];
mapName = "AO";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(AO, p);
tex = MegascansImageUtils.TextureImportSetup(p, false, false);
mat.SetTexture("_OcclusionMap", tex);
mat.EnableKeyword("_OCCLUSIONMAP");
}
if (translucency != null)
{
texMapName = (string)mapNames["Translucency"];
mapName = "Translucency";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
tex = MegascansImageUtils.PackTextures(translucency, translucency, translucency, null, p);
mat.SetInt("_MaterialID", 0);
mat.SetInt("_DiffusionProfile", 1);
mat.SetFloat("_EnableSubsurfaceScattering", 1);
mat.SetTexture("_SubsurfaceMaskMap", tex);
mat.SetTexture("_ThicknessMap", tex);
if (plant)
{
mat.SetInt("_DiffusionProfile", 2);
mat.SetFloat("_CoatMask", 0.0f);
mat.SetInt("_EnableWind", 1);
mat.EnableKeyword("_VERTEX_WIND");
}
mat.EnableKeyword("_SUBSURFACE_MASK_MAP");
mat.EnableKeyword("_THICKNESSMAP");
mat.EnableKeyword("_MATERIAL_FEATURE_TRANSMISSION");
}
return(mat);
} catch (Exception ex) {
Debug.Log("Exception: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}