public TextureMetadataCollection(DestinationFolder urhoDataFolder)
{
var allMaterials = AssetDatabase.FindAssets("").Select(_ => AssetContext.Create(_, urhoDataFolder))
.Where(_ => _.Type == typeof(Material));
foreach (var asset in allMaterials)
{
var material = AssetDatabase.LoadAssetAtPath <Material>(asset.AssetPath);
var description = new MaterialDescription(material);
if (description.MetallicRoughness != null)
{
var metallicRoughness = description.MetallicRoughness;
if (metallicRoughness.MetallicGloss != null)
{
var meta = AddTexture(metallicRoughness.MetallicGloss, new TextureReferences(
TextureSemantic.PBRMetallicGlossiness, 1.0f,
metallicRoughness.SmoothnessTextureChannel ==
SmoothnessTextureChannel.MetallicOrSpecularAlpha
? metallicRoughness.MetallicGloss
: metallicRoughness.BaseColor, metallicRoughness.SmoothnessTextureChannel));
}
AddTexture(metallicRoughness.BaseColor, new TextureReferences(TextureSemantic.PBRBaseColor));
AddTexture(metallicRoughness.DetailBaseColor,
new TextureReferences(TextureSemantic.MainTextureDetail));
}
else if (description.SpecularGlossiness != null)
{
var specularGlossiness = description.SpecularGlossiness;
if (specularGlossiness.PBRSpecular != null)
{
AddTexture(specularGlossiness.PBRSpecular, new TextureReferences(
TextureSemantic.PBRSpecularGlossiness, 1.0f,
specularGlossiness.Diffuse, specularGlossiness.SmoothnessTextureChannel));
AddTexture(specularGlossiness.Diffuse,
new TextureReferences(TextureSemantic.PBRDiffuse, 1.0f, specularGlossiness.PBRSpecular,
specularGlossiness.SmoothnessTextureChannel));
}
else
{
AddTexture(specularGlossiness.Diffuse,
new TextureReferences(TextureSemantic.PBRDiffuse, 1.0f, specularGlossiness.PBRSpecular,
specularGlossiness.SmoothnessTextureChannel));
}
AddTexture(specularGlossiness.DetailDiffuse,
new TextureReferences(TextureSemantic.MainTextureDetail));
}
else
{
var legacy = description.Legacy;
AddTexture(legacy.Diffuse, new TextureReferences(TextureSemantic.MainTexture));
AddTexture(legacy.Specular, new TextureReferences(TextureSemantic.Specular));
AddCommonTextures(legacy);
}
}
}
private static (float min, float max, Vector2 size) WriteHeightMap(AssetContext asset, string heightmapFileName,
Terrain terrain)
{
var w = terrain.terrainData.heightmapResolution;
var h = terrain.terrainData.heightmapResolution;
var max = float.MinValue;
var min = float.MaxValue;
var heights = terrain.terrainData.GetHeights(0, 0, w, h);
foreach (var height in heights)
{
if (height > max)
{
max = height;
}
if (height < min)
{
min = height;
}
}
if (max < min)
{
max = 1;
min = 0;
}
else if (max == min)
{
max = min + 0.1f;
}
using (var imageFile = asset.DestinationFolder.Create(heightmapFileName))
{
if (imageFile != null)
{
using (var binaryWriter = new BinaryWriter(imageFile))
{
WriteTgaHeader(binaryWriter, 32, w, h);
for (var y = h - 1; y >= 0; --y)
{
for (var x = 0; x < w; ++x)
{
var height = (heights[h - y - 1, x] - min) / (max - min) * 255.0f;
var msb = (byte)height;
var lsb = (byte)((height - msb) * 255.0f);
binaryWriter.Write((byte)0); //B - none
binaryWriter.Write(lsb); //G - LSB
binaryWriter.Write(msb); //R - MSB
binaryWriter.Write((byte)255); //A - none
}
}
}
}
}
return(min, max, new Vector2(w, h));
}
private static void Process3DAsset(AssetCollection assets, AssetContext assetContext)
{
new MeshExporter(assets).ExportAsset(assetContext);
if (assetContext.Type != typeof(Mesh))
{
new PrefabExporter(assets).ExportAsset(assetContext);
}
}
private void ExportAnimation(AssetContext asset, AnimationClip clipAnimation)
{
var name = GetSafeFileName(clipAnimation.name);
var fileName = Path.Combine(asset.ContentFolder, name + ".ani");
//_assetCollection.AddAnimationPath(clipAnimation, fileName);
if (!File.Exists(fileName))
{
using (var file = Urho3DExporter.ExportAssets.CreateFile(fileName))
{
using (var writer = new BinaryWriter(file))
{
writer.Write(new byte[] { 0x55, 0x41, 0x4e, 0x49 });
WriteStringSZ(writer, clipAnimation.name);
writer.Write(clipAnimation.length);
if (clipAnimation.legacy)
{
WriteTracksAsIs(clipAnimation, writer);
}
else
{
var allBindings = AnimationUtility.GetCurveBindings(clipAnimation);
var rootBones =
new HashSet <string>(allBindings.Select(_ => GetRootBoneName(_)).Where(_ => _ != null));
if (rootBones.Count != 1)
{
Debug.LogWarning(asset.AssetPath + ": Multiple root bones found (" +
string.Join(", ", rootBones.ToArray()) +
"), falling back to curve export");
WriteTracksAsIs(clipAnimation, writer);
}
else
{
var rootBoneName = rootBones.First();
var rootGOs = _skeletons
.Select(_ =>
(_.name == rootBoneName) ? _.transform : _.transform.Find(rootBoneName))
.Where(_ => _ != null).ToList();
if (rootGOs.Count == 1)
{
WriteSkelAnimation(clipAnimation, rootGOs.First().gameObject, writer);
}
else
{
Debug.LogWarning(asset.AssetPath +
": Multiple game objects found that match root bone name, falling back to curve export");
WriteTracksAsIs(clipAnimation, writer);
}
}
}
}
}
}
}
//[MenuItem("CONTEXT/Terrain/Export Terrain To Urho3D")]
//static void ExportTerrain(MenuCommand command)
//{
// if (!ResolveDataPath(out var urhoDataPath)) return;
//}
public static void ExportToUrho(string targetPath, bool overrideFiles, bool exportSelected)
{
if (string.IsNullOrWhiteSpace(targetPath))
{
return;
}
var urhoDataPath = new DestinationFolder(targetPath, overrideFiles);
AssetCollection assets;
if (Selection.assetGUIDs.Length == 0 || !exportSelected)
{
assets = new AssetCollection(urhoDataPath,
AssetDatabase.FindAssets("").Select(_ => AssetContext.Create(_, urhoDataPath))
.Where(_ => _.Type != null));
}
else
{
var selectedAssets = new HashSet <string>();
foreach (var assetGuiD in Selection.assetGUIDs)
{
AddSelection(assetGuiD, selectedAssets);
}
var enumerable = selectedAssets.Select(_ => AssetContext.Create(_, urhoDataPath)).ToList();
var assetContexts = enumerable.Where(_ => _.Type != null).ToList();
assets = new AssetCollection(urhoDataPath, assetContexts);
}
_id = 0;
var other = Split(assets, _ => _.Is3DAsset, _ => Process3DAsset(assets, _));
var textureMetadataCollection = new TextureMetadataCollection(urhoDataPath);
other = Split(other,
_ => _.Type == typeof(Texture3D) || _.Type == typeof(Texture2D) || _.Type == typeof(Cubemap),
_ => new TextureExporter(assets, textureMetadataCollection).ExportAsset(_));
other = Split(other, _ => _.Type == typeof(Material),
_ => new MaterialExporter(assets, textureMetadataCollection).ExportAsset(_));
var activeScene = SceneManager.GetActiveScene();
other = Split(other, _ => _.Type == typeof(SceneAsset), _ =>
{
if (_.AssetPath == activeScene.path)
{
ProcessSceneAsset(assets, _, activeScene);
}
});
foreach (var assetContext in other)
{
ProcessAsset(assets, assetContext);
}
}
private static void ProcessAsset(AssetCollection assets, AssetContext assetContext)
{
if (assetContext.Type == typeof(GameObject))
{
new PrefabExporter(assets).ExportAsset(assetContext);
}
else if (assetContext.Type == typeof(SceneAsset))
{
//new SceneExporter(assets).ExportAsset(assetContext);
}
}
private void WriteTerrainWeightsTexture(AssetContext asset, string weightsTextureName, Terrain terrain)
{
var layers = terrain.terrainData.terrainLayers;
var w = terrain.terrainData.alphamapWidth;
var h = terrain.terrainData.alphamapHeight;
var alphamaps = terrain.terrainData.GetAlphamaps(0, 0, w, h);
var numAlphamaps = alphamaps.GetLength(2);
//Urho3D doesn't support more than 3 textures
if (numAlphamaps > 3)
{
numAlphamaps = 3;
}
using (var imageFile = asset.DestinationFolder.Create(weightsTextureName))
{
if (imageFile == null)
{
return;
}
using (var binaryWriter = new BinaryWriter(imageFile))
{
var weights = new byte[4];
weights[3] = 255;
WriteTgaHeader(binaryWriter, weights.Length * 8, w, h);
for (var y = h - 1; y >= 0; --y)
{
for (var x = 0; x < w; ++x)
{
var sum = 0;
for (var i = 0; i < weights.Length; ++i)
{
if (numAlphamaps > i && layers.Length > i)
{
var weight = (byte)(alphamaps[h - y - 1, x, i] * 255.0f);
sum += weight;
weights[i] = weight;
}
}
if (sum == 0)
{
weights[0] = 255;
}
binaryWriter.Write(weights[2]); //B
binaryWriter.Write(weights[1]); //G
binaryWriter.Write(weights[0]); //R
binaryWriter.Write(weights[3]); //A
}
}
}
}
}
public void ExportAsset(AssetContext asset)
{
using (var writer = asset.CreateXml())
{
if (writer == null)
{
return;
}
var go = AssetDatabase.LoadAssetAtPath <GameObject>(asset.AssetPath);
WriteObject(writer, "", go, new HashSet <Renderer>(), asset);
}
}
private void TransformSpecularGlossiness(AssetContext asset, Texture texture, TextureReferences reference)
{
var specularGloss = texture as Texture2D;
EnsureReadableTexture(specularGloss);
var diffuse = reference.SmoothnessSource as Texture2D;
EnsureReadableTexture(diffuse);
var smoothnessSource =
reference.SmoothnessTextureChannel == SmoothnessTextureChannel.MetallicOrSpecularAlpha
? specularGloss
: diffuse;
var metallicRoughMapName = GetTextureOutputName(asset.UrhoAssetName, reference);
using (var fileStream = asset.DestinationFolder.Create(metallicRoughMapName))
{
if (fileStream != null)
{
var width = Math.Max(specularGloss.width, smoothnessSource.width);
var height = Math.Max(specularGloss.height, smoothnessSource.height);
var tmpTexture = new Texture2D(width, height, TextureFormat.RGBA32, false);
tmpTexture.hideFlags = HideFlags.HideAndDontSave;
var metallicColors = specularGloss.GetPixels32(0);
var diffuseColors = diffuse.GetPixels32(0);
var smoothnessColors = specularGloss == smoothnessSource
? metallicColors
: smoothnessSource.GetPixels32(0);
var pixels = new Color32[width * height];
var index = 0;
for (var y = 0; y < height; ++y)
{
for (var x = 0; x < width; ++x)
{
var r = 1.0f - Get(smoothnessColors, smoothnessSource.width, smoothnessSource.height, x, y,
width, height).a;
var d = GetLuminance(Get(diffuseColors, diffuse.width, diffuse.height, x, y, width, height));
var s = GetLuminance(Get(metallicColors, specularGloss.width, specularGloss.height, x, y, width,
height));
var m = s / (d + s);
pixels[index] = new Color(r, m, 0, 1);
++index;
}
}
tmpTexture.SetPixels32(pixels, 0);
var bytes = tmpTexture.EncodeToPNG();
fileStream.Write(bytes, 0, bytes.Length);
}
}
}
private static void Process3DAsset(AssetCollection assets, AssetContext assetContext)
{
Directory.CreateDirectory(assetContext.ContentFolder);
new MeshExporter(assets).ExportAsset(assetContext);
if (File.Exists(assetContext.UrhoFileName))
{
return;
}
new PrefabExporter(assets).ExportAsset(assetContext);
}
public void ExportAsset(AssetContext asset)
{
var go = AssetDatabase.LoadAssetAtPath <SceneAsset>(asset.AssetPath);
var exclusionSet = new HashSet <Renderer>();
using (XmlTextWriter writer = CreateXmlFile(asset))
{
using (var scene = Element.Start(writer, "scene"))
{
}
}
}
private void TransformSpecularGlossiness(AssetContext asset, Texture texture, TextureReferences reference)
{
var specularGloss = texture as Texture2D;
EnsureReadableTexture(specularGloss);
var diffuse = reference.SmoothnessSource as Texture2D;
EnsureReadableTexture(diffuse);
var smoothnessSource =
reference.SmoothnessTextureChannel == SmoothnessTextureChannel.MetallicOrSpecularAlpha
? specularGloss
: diffuse;
var metallicRoughMapName = GetTextureOutputName(asset.UrhoAssetName, reference);
using (var fileStream = asset.DestinationFolder.Create(metallicRoughMapName))
{
if (fileStream != null)
{
var tmpTexture = CreateTargetTexture(specularGloss, diffuse);
var specularColors =
new PixelSource(specularGloss, tmpTexture.width, tmpTexture.height, Color.black);
var diffuseColors = new PixelSource(diffuse, tmpTexture.width, tmpTexture.height, Color.white);
var smoothnessColors = specularGloss == smoothnessSource
? specularColors
: diffuseColors;
var pixels = new Color32[tmpTexture.width * tmpTexture.height];
var index = 0;
for (var y = 0; y < tmpTexture.height; ++y)
{
for (var x = 0; x < tmpTexture.width; ++x)
{
var mr = PBRUtils.ConvertToMetallicRoughness(new PBRUtils.SpecularGlossiness
{
diffuse = diffuseColors.GetAt(x, y),
specular = specularColors.GetAt(x, y),
glossiness = smoothnessColors.GetAt(x, y).a,
opacity = 1.0f
});
pixels[index] = new Color(mr.roughness, mr.metallic, 0, 1);
++index;
}
}
tmpTexture.SetPixels32(pixels, 0);
var bytes = tmpTexture.EncodeToPNG();
fileStream.Write(bytes, 0, bytes.Length);
}
}
}
public void ExportAsset(AssetContext asset)
{
if (!File.Exists(asset.FullPath))
{
Debug.LogError("File " + asset.FullPath + " not found");
return;
}
var texture = AssetDatabase.LoadAssetAtPath <Texture>(asset.AssetPath);
_assets.AddTexturePath(texture, asset.UrhoAssetName);
var fullCopy = false;
foreach (var reference in _textureMetadata.ResolveReferences(texture))
{
switch (reference.Semantic)
{
case TextureSemantic.PBRMetallicGlossiness:
{
TransformMetallicGlossiness(asset, texture, reference);
break;
}
case TextureSemantic.PBRSpecularGlossiness:
{
TransformSpecularGlossiness(asset, texture, reference);
break;
}
case TextureSemantic.PBRDiffuse:
{
TransformDiffuse(asset, texture, reference);
break;
}
default:
{
if (!fullCopy)
{
asset.DestinationFolder.CopyFile(asset.FullPath, asset.UrhoAssetName);
fullCopy = true;
}
break;
}
}
}
}
private static void ProcessAsset(AssetCollection assets, AssetContext assetContext)
{
if (File.Exists(assetContext.UrhoFileName))
{
return;
}
Directory.CreateDirectory(Path.GetDirectoryName(assetContext.UrhoFileName));
if (assetContext.Type == typeof(GameObject))
{
new PrefabExporter(assets).ExportAsset(assetContext);
}
else if (assetContext.Type == typeof(SceneAsset))
{
//new SceneExporter(assets).ExportAsset(assetContext);
}
}
public void ExportAsset(AssetContext asset)
{
var go = AssetDatabase.LoadAssetAtPath <SceneAsset>(asset.AssetPath);
var exclusionSet = new HashSet <Renderer>();
using (var writer = asset.CreateXml())
{
if (writer == null)
{
return;
}
using (var scene = Element.Start(writer, "scene"))
{
}
}
}
private void ExportMaterial(AssetContext asset, Material material)
{
var mat = new MaterialDescription(material);
if (mat.SpecularGlossiness != null)
{
ExportSpecularGlossiness(asset, mat.SpecularGlossiness);
}
else if (mat.MetallicRoughness != null)
{
ExportMetallicRoughness(asset, mat.MetallicRoughness);
}
else
{
ExportLegacy(asset, mat.Legacy ?? new LegacyShaderArguments());
}
}
private void TransformDiffuse(AssetContext asset, Texture texture, TextureReferences reference)
{
var diffuse = texture as Texture2D;
EnsureReadableTexture(diffuse);
var specularGlossiness = reference.SmoothnessSource as Texture2D;
EnsureReadableTexture(specularGlossiness);
var metallicRoughMapName = GetTextureOutputName(asset.UrhoAssetName, reference);
using (var fileStream = asset.DestinationFolder.Create(metallicRoughMapName))
{
if (fileStream != null)
{
var specWidth = specularGlossiness?.width ?? 1;
var specHeight = specularGlossiness?.height ?? 1;
var smoothnessColors = specularGlossiness?.GetPixels32(0) ?? new[] { new Color32(0, 0, 0, 255) };
var width = Math.Max(diffuse.width, specWidth);
var height = Math.Max(diffuse.height, specHeight);
var tmpTexture = new Texture2D(width, height, TextureFormat.RGBA32, false);
tmpTexture.hideFlags = HideFlags.HideAndDontSave;
var diffuseColors = diffuse.GetPixels32(0);
var pixels = new Color32[width * height];
var index = 0;
for (var y = 0; y < height; ++y)
{
for (var x = 0; x < width; ++x)
{
var specular = Get(smoothnessColors, specWidth, specHeight, x, y, width, height);
var diffuseColor = Get(diffuseColors, diffuse.width, diffuse.height, x, y, width, height);
pixels[index] = new Color(diffuseColor.r + specular.r, diffuseColor.g + specular.g,
diffuseColor.b + specular.b, diffuseColor.a);
++index;
}
}
tmpTexture.SetPixels32(pixels, 0);
var bytes = tmpTexture.EncodeToPNG();
fileStream.Write(bytes, 0, bytes.Length);
}
}
}
private void ExportMesh(AssetContext asset, GameObject go)
{
var skinnedMeshRenderer = go.GetComponent <SkinnedMeshRenderer>();
var meshFilter = go.GetComponent <MeshFilter>();
//Debug.Log("Game object: "+go.name+", components: "+string.Join(", ", go.GetComponents<Component>().Select(_=>_.GetType().Name).ToArray()));
Mesh mesh = null;
if (skinnedMeshRenderer != null)
{
mesh = skinnedMeshRenderer.sharedMesh;
}
else if (meshFilter != null)
{
mesh = meshFilter.sharedMesh;
}
if (mesh != null && _meshes.Add(mesh))
{
var name = GetSafeFileName(mesh.name);
var fileName = Path.Combine(asset.ContentFolder, name + ".mdl");
_assetCollection.AddMeshPath(mesh, fileName);
if (!File.Exists(fileName))
{
using (var file = Urho3DExporter.ExportAssets.CreateFile(fileName))
{
using (var writer = new BinaryWriter(file))
{
WriteMesh(writer, mesh, BuildBones(skinnedMeshRenderer));
}
}
}
}
for (var i = 0; i < go.transform.childCount; ++i)
{
ExportMesh(asset, go.transform.GetChild(i).gameObject);
}
}
public void ExportAsset(AssetContext asset, Scene scene)
{
var exlusion = new HashSet <Renderer>();
using (XmlTextWriter writer = CreateXmlFile(asset))
{
using (var sceneElement = Element.Start(writer, "scene"))
{
WriteAttribute(writer, "\t", "Name", scene.name);
StartCompoent(writer, "\t", "Octree");
EndElement(writer, "\t");
StartCompoent(writer, "\t", "DebugRenderer");
EndElement(writer, "\t");
foreach (var gameObject in scene.GetRootGameObjects())
{
WriteObject(writer, "", gameObject, exlusion);
}
}
}
}
private void TransformMetallicGlossiness(AssetContext asset, Texture texture, TextureReferences reference)
{
var metallicGloss = texture as Texture2D;
EnsureReadableTexture(metallicGloss);
var smoothnessSource = reference.SmoothnessSource as Texture2D;
EnsureReadableTexture(smoothnessSource);
var metallicRoughMapName = GetTextureOutputName(asset.UrhoAssetName, reference);
using (var fileStream = asset.DestinationFolder.Create(metallicRoughMapName))
{
if (fileStream != null)
{
var tmpTexture = CreateTargetTexture(metallicGloss, reference.SmoothnessSource as Texture2D);
var metallicColors = new PixelSource(metallicGloss, tmpTexture.width, tmpTexture.height,
new Color(0, 0, 0, 0));
var smoothnessColors = metallicGloss == smoothnessSource
? metallicColors
: new PixelSource(smoothnessSource, tmpTexture.width, tmpTexture.height, new Color(0, 0, 0, 0));
var pixels = new Color32[tmpTexture.width * tmpTexture.height];
var index = 0;
for (var y = 0; y < tmpTexture.height; ++y)
{
for (var x = 0; x < tmpTexture.width; ++x)
{
var r = 1.0f - smoothnessColors.GetAt(x, y).a;
var m = metallicColors.GetAt(x, y).r;
pixels[index] = new Color(r, m, 0, 1);
++index;
}
}
tmpTexture.SetPixels32(pixels, 0);
var bytes = tmpTexture.EncodeToPNG();
fileStream.Write(bytes, 0, bytes.Length);
}
}
}
public static AssetContext Create(string guid, string urhoDataFolder)
{
var res = new AssetContext
{
Guid = guid
};
res.AssetPath = AssetDatabase.GUIDToAssetPath(guid);
if (!string.IsNullOrEmpty(res.AssetPath))
{
res.Type = AssetDatabase.GetMainAssetTypeAtPath(res.AssetPath);
res.RelPath = res.AssetPath;
if (res.RelPath.StartsWith("Assets/", StringComparison.InvariantCultureIgnoreCase))
{
res.RelPath = res.RelPath.Substring("Assets/".Length);
}
res.FullPath = Path.Combine(Application.dataPath, res.RelPath);
res.FileExtension = System.IO.Path.GetExtension(res.AssetPath).ToLower();
res.UrhoAssetName = res.RelPath;
if (res.Type == typeof(Material))
{
res.UrhoAssetName = RepaceExtension(res.UrhoAssetName, ".xml");
}
else if (res.Type == typeof(GameObject))
{
res.UrhoAssetName = RepaceExtension(res.UrhoAssetName, ".xml");
res.Is3DAsset = _supported3DFormats.Contains(res.FileExtension);
}
else if (res.Type == typeof(SceneAsset))
{
res.UrhoAssetName = RepaceExtension(res.UrhoAssetName, ".xml");
}
res.UrhoFileName = System.IO.Path.Combine(urhoDataFolder, res.UrhoAssetName);
if (res.Is3DAsset)
{
res.ContentFolder = res.UrhoFileName.Substring(0, res.UrhoFileName.Length - ".xml".Length);
}
}
return(res);
}
public void ExportAsset(AssetContext asset)
{
var texture = AssetDatabase.LoadAssetAtPath <Texture>(asset.AssetPath);
_assets.AddTexturePath(texture, asset.UrhoAssetName);
if (asset.UrhoFileName == null)
{
return;
}
if (File.Exists(asset.UrhoFileName))
{
return;
}
if (!File.Exists(asset.FullPath))
{
Debug.LogError("File " + asset.FullPath + " not found");
return;
}
Directory.CreateDirectory(Path.GetDirectoryName(asset.UrhoFileName));
File.Copy(asset.FullPath, asset.UrhoFileName);
}
private void ExportTerrain(XmlWriter writer, GameObject obj, AssetContext asset, Terrain terrain,
string subPrefix,
string subSubPrefix)
{
if (terrain == null)
{
return;
}
var terrainSize = terrain.terrainData.size;
writer.WriteWhitespace(subPrefix);
writer.WriteStartElement("node");
writer.WriteAttributeString("id", (++_id).ToString());
writer.WriteWhitespace("\n");
var folderAndName = asset.RelPath + "/" +
Path.GetInvalidFileNameChars().Aggregate(obj.name, (_1, _2) => _1.Replace(_2, '_'));
var heightmapFileName = "Textures/Terrains/" + folderAndName + ".tga";
var materialFileName = "Materials/Terrains/" + folderAndName + ".xml";
var(min, max, size) = WriteHeightMap(asset, heightmapFileName, terrain);
WriteAttribute(writer, subPrefix, "Position",
new Vector3(terrainSize.x * 0.5f, -min, terrainSize.z * 0.5f));
StartCompoent(writer, subPrefix, "Terrain");
WriteAttribute(writer, subSubPrefix, "Height Map", "Image;" + heightmapFileName);
WriteAttribute(writer, subSubPrefix, "Material", "Material;" + materialFileName);
WriteTerrainMaterial(terrain, asset, materialFileName,
"Textures/Terrains/" + folderAndName + ".Weights.tga");
WriteAttribute(writer, subSubPrefix, "Vertex Spacing",
new Vector3(terrainSize.x / size.x, 2.0f * (max - min), terrainSize.z / size.y));
EndElement(writer, subPrefix);
EndElement(writer, subPrefix);
}
private static void ProcessSceneAsset(AssetCollection assets, AssetContext assetContext, Scene scene)
{
new SceneExporter(assets).ExportAsset(assetContext, scene);
}
private void ExportLegacy(AssetContext asset, LegacyShaderArguments arguments)
{
using (var writer = asset.DestinationFolder.CreateXml(asset.UrhoAssetName))
{
if (writer == null)
{
return;
}
writer.WriteStartDocument();
writer.WriteWhitespace(Environment.NewLine);
var flags = new LegacyTechniqueFlags();
flags.hasAlpha = arguments.Transparent;
flags.hasDiffuse = arguments.Diffuse != null;
flags.hasEmissive = arguments.Emission != null;
flags.hasNormal = arguments.Bump != null;
flags.hasSpecular = arguments.Specular != null;
writer.WriteStartElement("material");
writer.WriteWhitespace(Environment.NewLine);
{
var bestTechnique = Techniques[0];
var bestTechniqueDistance = bestTechnique.Material - flags;
foreach (var technique in Techniques)
{
if (technique.Material.Fits(flags))
{
var d = technique.Material - flags;
if (d < bestTechniqueDistance)
{
bestTechnique = technique;
bestTechniqueDistance = d;
}
}
}
WriteTechnique(writer, "Techniques/" + bestTechnique.Name);
}
if (arguments.Diffuse != null)
{
WriteTexture(arguments.Diffuse, writer, "diffuse");
}
if (arguments.Specular != null)
{
WriteTexture(arguments.Specular, writer, "specular");
}
if (arguments.Bump != null)
{
WriteTexture(arguments.Bump, writer, "normal");
}
if (arguments.Emission != null)
{
WriteTexture(arguments.Bump, writer, "emissive");
}
WriteParameter(writer, "MatDiffColor", BaseNodeExporter.Format(arguments.DiffColor));
if (arguments.HasEmission)
{
WriteParameter(writer, "MatEmissiveColor", BaseNodeExporter.FormatRGB(arguments.EmissiveColor));
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}
private void ExportSpecularGlossiness(AssetContext asset, SpecularGlossinessShaderArguments arguments)
{
using (var writer = asset.DestinationFolder.CreateXml(asset.UrhoAssetName))
{
if (writer == null)
{
return;
}
writer.WriteStartDocument();
writer.WriteWhitespace(Environment.NewLine);
writer.WriteStartElement("material");
writer.WriteWhitespace(Environment.NewLine);
if (arguments.Diffuse != null)
{
// Albedo
if (arguments.PBRSpecular != null)
{
// Albedo, MetallicGloss
if (arguments.Bump != null)
{
// Albedo, MetallicGloss, Normal
if (arguments.Emission)
{
// Albedo, MetallicGloss, Normal, Emission
if (arguments.Transparent)
{
WriteTechnique(writer,
"Techniques/PBR/PBRMetallicRoughDiffNormalSpecEmissiveAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpecEmissive.xml");
}
WriteTexture(arguments.Emission, writer, "emissive");
}
else
{
// Albedo, MetallicGloss, Normal, No Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpecAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpec.xml");
}
}
WriteTexture(arguments.Bump, writer, "normal");
}
else
{
// Albedo, MetallicGloss, No Normal
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffSpecAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffSpec.xml");
}
}
if (_assets.TryGetTexturePath(arguments.PBRSpecular, out var baseAssetName))
{
var textureReferences = new TextureReferences(TextureSemantic.PBRSpecularGlossiness, 1.0f,
arguments.SmoothnessTextureChannel == SmoothnessTextureChannel.AlbedoAlpha
? arguments.Diffuse
: arguments.PBRSpecular, arguments.SmoothnessTextureChannel);
var textureOutputName =
TextureExporter.GetTextureOutputName(baseAssetName, textureReferences);
WriteTexture(textureOutputName, writer, "specular");
}
}
else
{
// Albedo, No MetallicGloss
if (arguments.Bump != null)
{
// Albedo, No MetallicGloss, Normal
if (arguments.Emission != null)
{
// Albedo, No MetallicGloss, Normal, Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalEmissiveAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalEmissive.xml");
}
WriteTexture(arguments.Emission, writer, "emissive");
}
else
{
// Albedo, No MetallicGloss, Normal, No Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormal.xml");
}
}
WriteTexture(arguments.Bump, writer, "normal");
}
else
{
// Albedo, No MetallicGloss, No Normal
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiff.xml");
}
}
}
if (_assets.TryGetTexturePath(arguments.Diffuse, out var diffuseName))
{
var textureReferences = new TextureReferences(TextureSemantic.PBRDiffuse, 1.0f,
arguments.PBRSpecular, arguments.SmoothnessTextureChannel);
var textureOutputName = TextureExporter.GetTextureOutputName(diffuseName, textureReferences);
WriteTexture(textureOutputName, writer, "diffuse");
}
}
else
{
// No albedo
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRNoTextureAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRNoTexture.xml");
}
}
WriteParameter(writer, "MatDiffColor", BaseNodeExporter.Format(arguments.DiffuseColor));
if (arguments.HasEmission)
{
WriteParameter(writer, "MatEmissiveColor", BaseNodeExporter.FormatRGB(arguments.EmissiveColor));
}
WriteParameter(writer, "MatEnvMapColor", BaseNodeExporter.FormatRGB(Color.white));
WriteParameter(writer, "MatSpecColor", BaseNodeExporter.Format(Vector4.zero));
if (arguments.PBRSpecular != null)
{
WriteParameter(writer, "Roughness", BaseNodeExporter.Format(0));
WriteParameter(writer, "Metallic", BaseNodeExporter.Format(0));
}
else
{
////TODO: Evaluate correct parameters:
WriteParameter(writer, "Roughness", BaseNodeExporter.Format(0.0f));
WriteParameter(writer, "Metallic", BaseNodeExporter.Format(0.0f));
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}
//private void WriteMaterialAttribute(string subSubPrefix, Material[] meshRendererMaterials)
//{
// var material = new StringBuilder();
// material.Append("Material");
// for (var i = 0; i < meshRendererMaterials.Length; ++i)
// {
// var meshRendererMaterial = meshRendererMaterials[i];
// var relPath = GetRelAssetPath(meshRendererMaterial);
// var outputMaterialName = "Materials/" + relPath + ".xml";
// material.Append(";");
// material.Append(outputMaterialName);
// var materialFileName = Path.Combine(_assetsFolder, outputMaterialName);
// if (!File.Exists(materialFileName))
// CreateMaterial(materialFileName, meshRendererMaterial);
// }
// WriteAttribute(subSubPrefix, "Material", material.ToString());
//}
protected void WriteObject(XmlWriter writer, string prefix, GameObject obj, HashSet <Renderer> excludeList,
AssetContext asset)
{
var localExcludeList = new HashSet <Renderer>(excludeList);
if (!string.IsNullOrEmpty(prefix))
{
writer.WriteWhitespace(prefix);
}
writer.WriteStartElement("node");
writer.WriteAttributeString("id", (++_id).ToString());
writer.WriteWhitespace("\n");
var subPrefix = prefix + "\t";
var subSubPrefix = subPrefix + "\t";
WriteAttribute(writer, subPrefix, "Is Enabled", obj.activeSelf);
WriteAttribute(writer, subPrefix, "Name", obj.name);
WriteAttribute(writer, subPrefix, "Tags", obj.tag);
WriteAttribute(writer, subPrefix, "Position", obj.transform.localPosition);
WriteAttribute(writer, subPrefix, "Rotation", obj.transform.localRotation);
WriteAttribute(writer, subPrefix, "Scale", obj.transform.localScale);
var meshFilter = obj.GetComponent <MeshFilter>();
var meshRenderer = obj.GetComponent <MeshRenderer>();
var skinnedMeshRenderer = obj.GetComponent <SkinnedMeshRenderer>();
var lodGroup = obj.GetComponent <LODGroup>();
var meshCollider = obj.GetComponent <MeshCollider>();
var terrain = obj.GetComponent <Terrain>();
var light = obj.GetComponent <Light>();
var camera = obj.GetComponent <Camera>();
var reflectionProbe = obj.GetComponent <ReflectionProbe>();
//if (reflectionProbe != null)
//{
// StartCompoent(subPrefix, "Zone");
// WriteAttribute(subSubPrefix, "Bounding Box Min", -(reflectionProbe.size * 0.5f));
// WriteAttribute(subSubPrefix, "Bounding Box Max", (reflectionProbe.size * 0.5f));
// var cubemap = reflectionProbe.bakedTexture as Cubemap;
// if (cubemap != null)
// {
// var name = SaveCubemap(cubemap);
// WriteAttribute(subSubPrefix, "Zone Texture", "TextureCube;" + name);
// }
// EndElement(subPrefix);
//}
if (camera != null)
{
StartCompoent(writer, subPrefix, "Camera");
WriteAttribute(writer, subSubPrefix, "Near Clip", camera.nearClipPlane);
WriteAttribute(writer, subSubPrefix, "Far Clip", camera.farClipPlane);
EndElement(writer, subPrefix);
}
if (light != null && light.type != LightType.Area)
{
StartCompoent(writer, subPrefix, "Light");
if (light.type == LightType.Directional)
{
WriteAttribute(writer, subSubPrefix, "Light Type", "Directional");
}
else if (light.type == LightType.Spot)
{
WriteAttribute(writer, subSubPrefix, "Light Type", "Spot");
}
else if (light.type == LightType.Point)
{
WriteAttribute(writer, subSubPrefix, "Range", light.range);
}
WriteAttribute(writer, subSubPrefix, "Color", light.color);
WriteAttribute(writer, subSubPrefix, "Brightness Multiplier", light.intensity);
WriteAttribute(writer, subSubPrefix, "Cast Shadows", light.shadows != LightShadows.None);
EndElement(writer, subPrefix);
}
ExportTerrain(writer, obj, asset, terrain, subPrefix, subSubPrefix);
if (lodGroup != null)
{
var lods = lodGroup.GetLODs();
foreach (var lod in lods.Skip(1))
{
foreach (var renderer in lod.renderers)
{
localExcludeList.Add(renderer);
}
}
//lods[0].renderers
}
if (meshRenderer != null && !localExcludeList.Contains(meshRenderer))
{
if (meshFilter != null)
{
StartCompoent(writer, subPrefix, "StaticModel");
var sharedMesh = meshFilter.sharedMesh;
string meshPath;
if (_assets.TryGetMeshPath(sharedMesh, out meshPath))
{
WriteAttribute(writer, subSubPrefix, "Model", "Model;" + meshPath);
}
var materials = "Material";
foreach (var material in meshRenderer.sharedMaterials)
{
string path;
_assets.TryGetMaterialPath(material, out path);
materials += ";" + path;
}
WriteAttribute(writer, subSubPrefix, "Material", materials);
WriteAttribute(writer, subSubPrefix, "Cast Shadows",
meshRenderer.shadowCastingMode != ShadowCastingMode.Off);
EndElement(writer, subPrefix);
}
}
if (skinnedMeshRenderer != null && !localExcludeList.Contains(skinnedMeshRenderer))
{
StartCompoent(writer, subPrefix, "AnimatedModel");
var sharedMesh = skinnedMeshRenderer.sharedMesh;
string meshPath;
if (_assets.TryGetMeshPath(sharedMesh, out meshPath))
{
WriteAttribute(writer, subSubPrefix, "Model", "Model;" + meshPath);
}
var materials = "Material";
foreach (var material in skinnedMeshRenderer.sharedMaterials)
{
string path;
_assets.TryGetMaterialPath(material, out path);
materials += ";" + path;
}
WriteAttribute(writer, subSubPrefix, "Material", materials);
WriteAttribute(writer, subSubPrefix, "Cast Shadows",
skinnedMeshRenderer.shadowCastingMode != ShadowCastingMode.Off);
EndElement(writer, subPrefix);
}
if (meshCollider != null)
{
}
foreach (Transform childTransform in obj.transform)
{
if (childTransform.parent.gameObject == obj)
{
WriteObject(writer, subPrefix, childTransform.gameObject, localExcludeList, asset);
}
}
if (!string.IsNullOrEmpty(prefix))
{
writer.WriteWhitespace(prefix);
}
writer.WriteEndElement();
writer.WriteWhitespace("\n");
}
private static void ExportToUrho()
{
string urhoDataPath = EditorUtility.SaveFolderPanel("Save assets to Data folder", _prevFolder, "");
if (string.IsNullOrEmpty(urhoDataPath))
{
return;
}
if (urhoDataPath.StartsWith(Path.GetDirectoryName(Application.dataPath).Replace('\\', '/'), StringComparison.InvariantCultureIgnoreCase))
{
EditorUtility.DisplayDialog("Error",
"Selected path is inside Unity folder. Please select a different folder.", "Ok");
return;
}
_prevFolder = urhoDataPath;
AssetCollection assets;
if (Selection.assetGUIDs.Length == 0)
{
assets = new AssetCollection(urhoDataPath, AssetDatabase.FindAssets("").Select(_ => AssetContext.Create(_, urhoDataPath)).Where(_ => _.Type != null));
}
else
{
var selectedAssets = new HashSet <string>();
foreach (var assetGuiD in Selection.assetGUIDs)
{
AddSelection(assetGuiD, selectedAssets);
}
assets = new AssetCollection(urhoDataPath, selectedAssets.Select(_ => AssetContext.Create(_, urhoDataPath)).Where(_ => _.Type != null));
}
_id = 0;
//string urhoDataPath = @"C:\Temp\Data\";
//foreach (var type in assets.Select(_ => _.Type).Distinct()) Debug.Log(type.FullName);
List <AssetContext> other = Split(assets, _ => _.Is3DAsset, _ => Process3DAsset(assets, _));
other = Split(other, _ => _.Type == typeof(Texture3D) || _.Type == typeof(Texture2D) || _.Type == typeof(Cubemap), _ => new TextureExporter(assets).ExportAsset(_));
other = Split(other, _ => _.Type == typeof(Material), _ => new MaterialExporter(assets).ExportAsset(_));
var activeScene = EditorSceneManager.GetActiveScene();
other = Split(other, _ => _.Type == typeof(SceneAsset), _ =>
{
if (_.AssetPath == activeScene.path)
{
ProcessSceneAsset(assets, _, activeScene);
}
});
foreach (var assetContext in other)
{
ProcessAsset(assets, assetContext);
}
//foreach (var s in guids2)
//{
// var path = AssetDatabase.GUIDToAssetPath(s);
// if (path.StartsWith(assetsPrefix))
// {
// path = path.Substring(assetsPrefix.Length);
// }
// if (path.StartsWith("PolygonSciFiCity"))
// {
// if (path.EndsWith(".prefab", true, CultureInfo.InvariantCulture))
// {
// ExportPrefab(s, path, @"C:\Temp\Data\");
// }
// if (path.EndsWith(".fbx", true, CultureInfo.InvariantCulture))
// {
// ExportModel(s, path, @"C:\Temp\Data\");
// }
// if (path.EndsWith(".mat", true, CultureInfo.InvariantCulture))
// {
// ExportMaterial(s, path, @"C:\Temp\Data\");
// }
// if (path.EndsWith(".png", true, CultureInfo.InvariantCulture) ||
// path.EndsWith(".dds", true, CultureInfo.InvariantCulture) ||
// path.EndsWith(".tga", true, CultureInfo.InvariantCulture))
// {
// CopyFileIfNew(s, path, @"C:\Temp\Data\");
// }
// }
//}
}
protected XmlTextWriter CreateXmlFile(AssetContext asset)
{
var file = ExportAssets.CreateFile(asset.UrhoFileName);
return(new XmlTextWriter(file, new UTF8Encoding(false)));
}
private void WriteTerrainMaterial(Terrain terrain, AssetContext asset, string materialPath,
string weightsTextureName)
{
using (var writer = asset.DestinationFolder.CreateXml(materialPath))
{
if (writer == null)
{
return;
}
var layers = terrain.terrainData.terrainLayers;
if (layers.Length > 3)
{
layers = layers.Take(3).ToArray();
}
writer.WriteStartDocument();
writer.WriteStartElement("material");
writer.WriteWhitespace(Environment.NewLine);
{
writer.WriteStartElement("technique");
writer.WriteAttributeString("name", "Techniques/TerrainBlend.xml");
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
}
{
writer.WriteStartElement("texture");
writer.WriteAttributeString("unit", "0");
writer.WriteAttributeString("name", weightsTextureName);
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
WriteTerrainWeightsTexture(asset, weightsTextureName, terrain);
}
for (var layerIndex = 0; layerIndex < layers.Length; ++layerIndex)
{
var layer = layers[layerIndex];
writer.WriteStartElement("texture");
writer.WriteAttributeString("unit", (layerIndex + 1).ToString(CultureInfo.InvariantCulture));
if (layer.diffuseTexture != null)
{
string urhoAssetName;
if (_assets.TryGetTexturePath(layer.diffuseTexture, out urhoAssetName))
{
writer.WriteAttributeString("name", urhoAssetName);
}
}
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
}
{
writer.WriteStartElement("parameter");
writer.WriteAttributeString("name", "MatSpecColor");
writer.WriteAttributeString("value", "0.5 0.5 0.5 16");
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
}
{
writer.WriteStartElement("parameter");
writer.WriteAttributeString("name", "DetailTiling");
writer.WriteAttributeString("value", "32 32");
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}
