public static ModelPack ConvertFromAssimpScene(string filePath, ModelPackConverterOptions options)
{
// For importing textures
string baseDirectoryPath = Path.GetDirectoryName(filePath);
// Import scene
var aiScene = AssimpSceneImporter.ImportFile(filePath);
// Build textures & Materials
var model = new ModelPack(options.Version);
model.Textures = new TextureDictionary(options.Version);
model.Materials = new MaterialDictionary(options.Version);
foreach (var aiSceneMaterial in aiScene.Materials)
{
var material = ConvertMaterialAndTextures(aiSceneMaterial, options, baseDirectoryPath, model.Textures);
model.Materials.Add(material);
}
// Create scene
var sceneConverterOptions = new ModelConverterOptions()
{
Version = options.Version,
ConvertSkinToZUp = options.ConvertSkinToZUp,
GenerateVertexColors = options.GenerateVertexColors,
MinimalVertexAttributes = options.MinimalVertexAttributes,
};
model.Model = ModelConverter.ConvertFromAssimpScene(aiScene, sceneConverterOptions);
return(model);
}
private static Material ConvertMaterialAndTextures(Ai.Material aiMaterial, ModelPackConverterOptions options, string baseDirectoryPath, TextureDictionary textureDictionary)
{
// Convert all textures
TextureInfo diffuseTexture = null;
if (aiMaterial.HasTextureDiffuse)
{
diffuseTexture = ConvertTexture(aiMaterial.TextureDiffuse, baseDirectoryPath);
}
TextureInfo lightmapTexture = null;
if (aiMaterial.HasTextureLightMap)
{
lightmapTexture = ConvertTexture(aiMaterial.TextureLightMap, baseDirectoryPath);
}
TextureInfo displacementTexture = null;
if (aiMaterial.HasTextureDisplacement)
{
displacementTexture = ConvertTexture(aiMaterial.TextureDisplacement, baseDirectoryPath);
}
TextureInfo opacityTexture = null;
if (aiMaterial.HasTextureOpacity)
{
opacityTexture = ConvertTexture(aiMaterial.TextureOpacity, baseDirectoryPath);
}
TextureInfo normalTexture = null;
if (aiMaterial.HasTextureNormal)
{
normalTexture = ConvertTexture(aiMaterial.TextureNormal, baseDirectoryPath);
}
TextureInfo heightTexture = null;
if (aiMaterial.HasTextureHeight)
{
heightTexture = ConvertTexture(aiMaterial.TextureHeight, baseDirectoryPath);
}
TextureInfo emissiveTexture = null;
if (aiMaterial.HasTextureEmissive)
{
emissiveTexture = ConvertTexture(aiMaterial.TextureEmissive, baseDirectoryPath);
}
TextureInfo ambientTexture = null;
if (aiMaterial.HasTextureAmbient)
{
ambientTexture = ConvertTexture(aiMaterial.TextureAmbient, baseDirectoryPath);
}
TextureInfo specularTexture = null;
if (aiMaterial.HasTextureSpecular)
{
specularTexture = ConvertTexture(aiMaterial.TextureSpecular, baseDirectoryPath);
}
TextureInfo reflectionTexture = null;
if (aiMaterial.HasTextureReflection)
{
reflectionTexture = ConvertTexture(aiMaterial.TextureReflection, baseDirectoryPath);
}
// Convert material
Material material = null;
string materialName = AssimpConverterCommon.UnescapeName(aiMaterial.Name);
switch (options.MaterialPreset)
{
case MaterialPreset.FieldTerrain:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.FieldTerrainVertexColors:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainVertexColorsMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.FieldTerrainCastShadow:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainCastShadowMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.CharacterSkinP5:
case MaterialPreset.CharacterSkinFB:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
string shadowTextureName = diffuseTexture.Name;
if (ambientTexture != null)
{
textureDictionary.Add(ambientTexture.Texture);
shadowTextureName = ambientTexture.Name;
}
// TODO: transparency
var hasTransparency = HasAlpha(diffuseTexture.PixelFormat);
if (options.MaterialPreset == MaterialPreset.CharacterSkinP5)
{
material = MaterialFactory.CreateCharacterSkinP5Material(materialName, diffuseTexture.Name, shadowTextureName,
hasTransparency);
}
else
{
material = MaterialFactory.CreateCharacterSkinFBMaterial(materialName, diffuseTexture.Name, shadowTextureName,
hasTransparency);
}
}
}
break;
case MaterialPreset.PersonaSkinP5:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
string shadowTextureName = diffuseTexture.Name;
string specularTextureName = diffuseTexture.Name;
if (ambientTexture != null)
{
textureDictionary.Add(ambientTexture.Texture);
shadowTextureName = ambientTexture.Name;
}
if (specularTexture != null)
{
textureDictionary.Add(specularTexture.Texture);
specularTextureName = specularTexture.Name;
}
material = MaterialFactory.CreatePersonaSkinP5Material(materialName, diffuseTexture.Name, specularTextureName, shadowTextureName);
}
}
break;
case MaterialPreset.CharacterClothP4D:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateCharacterClothP4DMaterial(materialName, diffuseTexture.Name,
HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.CharacterSkinP3DP5D:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateCharacterSkinP3DP5DMaterial(materialName, diffuseTexture.Name,
HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
}
// Create dummy material if none was created
if (material == null)
{
material = new Material(materialName);
}
return(material);
}