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using System; |
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using System.Collections.Generic; |
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using System.Globalization; |
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using System.IO; |
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|
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namespace Oni.Motoko |
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{ |
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internal class GeometryImporter : Importer |
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{ |
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private readonly bool generateNormals; |
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private readonly bool flatNormals; |
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private readonly float shellOffset; |
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private readonly bool overrideTextureName; |
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private string textureName; |
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|
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public GeometryImporter(string[] args) |
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{ |
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foreach (string arg in args) |
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{ |
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if (arg == "-normals") |
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{ |
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generateNormals = true; |
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} |
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else if (arg == "-flat") |
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{ |
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flatNormals = true; |
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} |
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else if (arg == "-cel" || arg.StartsWith("-cel:", StringComparison.Ordinal)) |
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{ |
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int i = arg.IndexOf(':'); |
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|
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if (i != -1) |
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shellOffset = float.Parse(arg.Substring(i + 1), CultureInfo.InvariantCulture); |
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else |
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shellOffset = 0.07f; |
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} |
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else if (arg.StartsWith("-tex:", StringComparison.Ordinal)) |
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{ |
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textureName = arg.Substring(5); |
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overrideTextureName = true; |
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} |
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} |
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} |
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|
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public ImporterDescriptor Import(string filePath, ImporterFile importer) |
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{ |
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var scene = Dae.Reader.ReadFile(filePath); |
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|
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Dae.FaceConverter.Triangulate(scene); |
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|
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var daeInstances = new List<Dae.GeometryInstance>(); |
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|
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foreach (var node in scene.Nodes) |
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{ |
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var daeInstance = node.GeometryInstances.FirstOrDefault(); |
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|
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if (daeInstance == null || daeInstance.Target == null) |
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continue; |
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|
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daeInstances.Add(daeInstance); |
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} |
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|
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foreach (var daeInstance in daeInstances) |
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{ |
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var daeGeometry = daeInstance.Target; |
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|
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var geometry = GeometryDaeReader.Read(daeGeometry, generateNormals, flatNormals, shellOffset); |
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|
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string textureFilePath = null; |
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|
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if (!overrideTextureName && daeInstance.Materials.Count > 0) |
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textureFilePath = ReadMaterial(daeInstance.Materials[0].Target); |
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|
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geometry.TextureName = Path.GetFileNameWithoutExtension(textureFilePath); |
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|
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return GeometryDatWriter.Write(geometry, importer); |
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} |
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|
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return null; |
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} |
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|
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public override void Import(string filePath, string outputDirPath) |
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{ |
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var scene = Dae.Reader.ReadFile(filePath); |
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|
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Dae.FaceConverter.Triangulate(scene); |
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|
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var daeInstances = new List<Dae.GeometryInstance>(); |
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|
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foreach (var node in scene.Nodes) |
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{ |
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var daeInstance = node.GeometryInstances.FirstOrDefault(); |
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|
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if (daeInstance == null || daeInstance.Target == null) |
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continue; |
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|
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daeInstances.Add(daeInstance); |
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} |
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|
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foreach (var daeInstance in daeInstances) |
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{ |
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var daeGeometry = daeInstance.Target; |
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|
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var geometry = GeometryDaeReader.Read(daeGeometry, generateNormals, flatNormals, shellOffset); |
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geometry.Name = Path.GetFileNameWithoutExtension(filePath); |
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|
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if (daeInstances.Count > 1) |
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geometry.Name += daeGeometry.Name; |
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|
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string textureFilePath = null; |
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|
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if (!overrideTextureName && daeInstance.Materials.Count > 0) |
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textureFilePath = ReadMaterial(daeInstance.Materials[0].Target); |
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|
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WriteM3GM(geometry, textureFilePath, outputDirPath); |
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} |
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} |
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|
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private void WriteM3GM(Geometry geometry, string textureFilePath, string outputDirPath) |
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{ |
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geometry.Name = MakeInstanceName(TemplateTag.M3GM, geometry.Name); |
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|
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if (string.IsNullOrEmpty(textureFilePath)) |
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geometry.TextureName = textureName; |
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else |
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geometry.TextureName = Path.GetFileNameWithoutExtension(textureFilePath); |
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|
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BeginImport(); |
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|
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GeometryDatWriter.Write(geometry, ImporterFile); |
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|
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Write(outputDirPath); |
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} |
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|
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private string ReadMaterial(Dae.Material material) |
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{ |
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if (material == null || material.Effect == null) |
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return null; |
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|
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var texture = material.Effect.Textures.FirstOrDefault(t => t.Channel == Dae.EffectTextureChannel.Diffuse); |
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|
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if (texture == null) |
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return null; |
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|
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var sampler = texture.Sampler; |
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|
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if (sampler == null || sampler.Surface == null || sampler.Surface.InitFrom == null || string.IsNullOrEmpty(sampler.Surface.InitFrom.FilePath)) |
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return null; |
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|
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return sampler.Surface.InitFrom.FilePath; |
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} |
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} |
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} |
