private ABModel3D ConvertMesh(ThreeDSMesh mesh, ABMaterial[] materials) { // convert vertices ABModel3D model = new ABModel3D(); model.Geometry = new ABGeometry3D(); if (mesh.verticies != null && mesh.verticies.Length > 0) { int numVerts = mesh.verticies.Length; model.Geometry.Vertices = new Vector3[numVerts]; model.Geometry.Normals = new Vector3[numVerts]; for (int vert = 0; vert < numVerts; vert++) { model.Geometry.Vertices[vert] = new Vector3(mesh.verticies[vert].x, mesh.verticies[vert].y, mesh.verticies[vert].z); model.Geometry.Normals[vert] = new Vector3(mesh.verticies[vert].nx, mesh.verticies[vert].ny, mesh.verticies[vert].nz); } } // uv map if (mesh.uvMap != null) { int numCoords = mesh.uvMap.Length; model.Geometry.TexCoords = new Vector2[numCoords]; for (int coord = 0; coord < numCoords; coord++) { model.Geometry.TexCoords[coord] = new Vector2(mesh.uvMap[coord].u, -mesh.uvMap[coord].v); } } model.Geometry.PrimType = Microsoft.DirectX.Direct3D.PrimitiveType.TriangleList; // indices if (mesh.groups != null) { model.Geometry.PrimIndices = new int[mesh.GetNumFaces() * 3]; int idx = 0; foreach (ThreeDSMesh.FaceGroup group in mesh.groups) { foreach (ThreeDSMesh.Face face in group.faces) { model.Geometry.PrimIndices[idx++] = face.p1; model.Geometry.PrimIndices[idx++] = face.p2; model.Geometry.PrimIndices[idx++] = face.p3; } if (group.mappings != null && group.mappings.Count > 0) { int numMatIndices = 0; foreach (ThreeDSMesh.MaterialMapping mapping in group.mappings) { if (mapping.mappedFaces != null && mapping.mappedFaces.Length > 0) numMatIndices++; } model.MaterialIndices = new ABMaterialIndex[numMatIndices]; int miIdx = 0; foreach (ThreeDSMesh.MaterialMapping mapping in group.mappings) { if (mapping.mappedFaces != null && mapping.mappedFaces.Length > 0) { ABMaterialIndex matIndex = model.MaterialIndices[miIdx++] = new ABMaterialIndex(); matIndex.Indices = new int[mapping.mappedFaces.Length]; foreach (ABMaterial material in materials) { if (material.Name == mapping.name) matIndex.Material = material; } for (int face = 0; face < mapping.mappedFaces.Length; face++) { matIndex.Indices[face] = mapping.mappedFaces[face]; } } } } } } return model; }
public ABScene3D LoadScene(string file) { uint failId; int failPos; lwObject lwobj = lwObject.GetObject5(file, out failId, out failPos); if (lwobj != null) { // convert to AB ABScene3D scene = new ABScene3D(); ABMaterial[] materials = null; int[] clipIndices = null; if (lwobj.surf != null && lwobj.surf.Count > 0) { materials = new ABMaterial[lwobj.surf.Count]; clipIndices = new int[lwobj.surf.Count]; LinkedList<lwSurface>.Enumerator matIter = lwobj.surf.GetEnumerator(); int matIdx = 0; while (matIter.MoveNext()) { lwSurface surface = matIter.Current; ABMaterial mat = materials[matIdx] = new ABMaterial(); mat.Name = surface.name; mat.Ambient = new ABColorARGB(); mat.Ambient.A = 0xFF; mat.Ambient.R = (byte)(surface.color.rgb[0] / 255f); mat.Ambient.G = (byte)(surface.color.rgb[1] / 255f); mat.Ambient.B = (byte)(surface.color.rgb[2] / 255f); mat.Diffuse = new ABColorARGB(); mat.Diffuse.A = 0xFF; mat.Diffuse.R = (byte)((surface.diffuse.val * surface.color.rgb[0]) / 255f); mat.Diffuse.G = (byte)((surface.diffuse.val * surface.color.rgb[1]) / 255f); mat.Diffuse.B = (byte)((surface.diffuse.val * surface.color.rgb[2]) / 255f); if (surface.color.tex != null) { // resolve texture //mat.TextureName clipIndices[matIdx] = surface.color.tex.First.Value.imap.cindex; mat.TextureName = surface.color.tex.First.Value.imap.vmap_name; } else clipIndices[matIdx] = -1; matIdx++; } } LinkedList<lwLayer>.Enumerator layIter = lwobj.layer.GetEnumerator(); scene.Models = new ABModel3D[lwobj.layer.Count]; int mdlIdx = 0; while (layIter.MoveNext()) { lwLayer layer = layIter.Current; ABModel3D model = scene.Models[mdlIdx] = new ABModel3D(); model.Geometry = new ABGeometry3D(); model.Geometry.Vertices = new Vector3[layer.point.count]; // break up polygons by surface Dictionary<lwSurface, int> surfGroupCounts = new Dictionary<lwSurface, int>(); for (int i = 0; i < layer.polygon.pol.Length; i++) { lwPolygon polygon = layer.polygon.pol[i]; if (surfGroupCounts.ContainsKey(polygon.surf)) surfGroupCounts[polygon.surf]++; else surfGroupCounts[polygon.surf] = 1; } int[] groupIndices = new int[surfGroupCounts.Count]; model.MaterialIndices = new ABMaterialIndex[surfGroupCounts.Count]; for (int i = 0; i < layer.polygon.pol.Length; i++) { lwPolygon polygon = layer.polygon.pol[i]; if (surfGroupCounts.ContainsKey(polygon.surf)) surfGroupCounts[polygon.surf]++; else surfGroupCounts[polygon.surf] = 1; } } // match up clips to materials } return null; }
public ABScene3D LoadScene(string file) { string path = file.Substring(0, file.Length - Path.GetFileName(file).Length); // parse file into 3ds structures ThreeDSFileData data = ThreeDSParser.ParseFromFile(file); // convert to AB ABScene3D scene = new ABScene3D(); ABMaterial[] materials = null; if (data.materials != null && data.materials.Count > 0) { materials = new ABMaterial[data.materials.Count]; for (int mIdx = 0; mIdx < data.materials.Count; mIdx++) { ABMaterial material = materials[mIdx] = new ABMaterial(); material.Name = data.materials[mIdx].name; material.Ambient = new ABColorARGB(); material.Ambient.A = 255; material.Ambient.R = data.materials[mIdx].ambient.r; material.Ambient.G = data.materials[mIdx].ambient.g; material.Ambient.B = data.materials[mIdx].ambient.b; material.Diffuse = new ABColorARGB(); material.Diffuse.A = 255; material.Diffuse.R = data.materials[mIdx].diffuse.r; material.Diffuse.G = data.materials[mIdx].diffuse.g; material.Diffuse.B = data.materials[mIdx].diffuse.b; // convert to absolute path if (data.materials[mIdx].texture == null || Path.IsPathRooted(data.materials[mIdx].texture)) material.TextureName = data.materials[mIdx].texture; else material.TextureName = path + data.materials[mIdx].texture; // match file if (material.TextureName != null) { string filename = Path.GetFileNameWithoutExtension(material.TextureName).ToLower(); string ext = Path.GetExtension(material.TextureName).ToLower(); string[] files = Directory.GetFiles(path); foreach (string fn in files) { string fno = Path.GetFileNameWithoutExtension(fn).ToLower(); if (fno.StartsWith(filename) && Path.GetExtension(fn).ToLower() == ext) { material.TextureName = fn; break; } } } } } int numMeshes = data.GetNumFaceGroups(); if (numMeshes > 0) { scene.Models = new ABModel3D[numMeshes]; int meshIdx = 0; foreach (ThreeDSObject obj in data.objects) { foreach (ThreeDSMesh mesh in obj.meshes) { scene.Models[meshIdx++] = ConvertMesh(mesh, materials); } } } return scene; }