private ModelMeshContent ProcessMesh(MeshContent mesh, ModelBoneContent parent, ContentProcessorContext context) { var bounds = new BoundingSphere(); var parts = new List <ModelMeshPartContent>(); var vertexBuffer = new VertexBufferContent(); var indexBuffer = new IndexCollection(); var startVertex = 0; foreach (var geometry in mesh.Geometry) { var vertices = geometry.Vertices; var vertexCount = vertices.VertexCount; var geomBuffer = geometry.Vertices.CreateVertexBuffer(); vertexBuffer.Write(vertexBuffer.VertexData.Length, 1, geomBuffer.VertexData); var startIndex = indexBuffer.Count; indexBuffer.AddRange(geometry.Indices); var partContent = new ModelMeshPartContent(vertexBuffer, indexBuffer, startVertex, vertexCount, startIndex, geometry.Indices.Count / 3); partContent.Material = geometry.Material; parts.Add(partContent); // Update mesh bounding box bounds = BoundingSphere.CreateMerged(bounds, BoundingSphere.CreateFromPoints(geometry.Vertices.Positions)); // Geoms are supposed to all have the same decl, so just steal one of these vertexBuffer.VertexDeclaration = geomBuffer.VertexDeclaration; startVertex += vertexCount; } return(new ModelMeshContent(mesh.Name, mesh, parent, bounds, parts)); }
private ModelMeshContent ProcessMesh(MeshContent mesh, ModelBoneContent parent, ContentProcessorContext context) { var parts = new List <ModelMeshPartContent>(); var vertexBuffer = new VertexBufferContent(); var indexBuffer = new IndexCollection(); if (GenerateTangentFrames) { context.Logger.LogMessage("Generating tangent frames."); foreach (GeometryContent geom in mesh.Geometry) { if (!geom.Vertices.Channels.Contains(VertexChannelNames.Normal(0))) { MeshHelper.CalculateNormals(geom, true); } if (!geom.Vertices.Channels.Contains(VertexChannelNames.Tangent(0)) || !geom.Vertices.Channels.Contains(VertexChannelNames.Binormal(0))) { MeshHelper.CalculateTangentFrames(geom, VertexChannelNames.TextureCoordinate(0), VertexChannelNames.Tangent(0), VertexChannelNames.Binormal(0)); } } } var startVertex = 0; foreach (var geometry in mesh.Geometry) { var vertices = geometry.Vertices; var vertexCount = vertices.VertexCount; ModelMeshPartContent partContent; if (vertexCount == 0) { partContent = new ModelMeshPartContent(); } else { var geomBuffer = geometry.Vertices.CreateVertexBuffer(); vertexBuffer.Write(vertexBuffer.VertexData.Length, 1, geomBuffer.VertexData); var startIndex = indexBuffer.Count; indexBuffer.AddRange(geometry.Indices); partContent = new ModelMeshPartContent(vertexBuffer, indexBuffer, startVertex, vertexCount, startIndex, geometry.Indices.Count / 3); // Geoms are supposed to all have the same decl, so just steal one of these vertexBuffer.VertexDeclaration = geomBuffer.VertexDeclaration; startVertex += vertexCount; } partContent.Material = geometry.Material; parts.Add(partContent); } var bounds = new BoundingSphere(); if (mesh.Positions.Count > 0) { bounds = BoundingSphere.CreateFromPoints(mesh.Positions); } return(new ModelMeshContent(mesh.Name, mesh, parent, bounds, parts)); }
/// <summary> /// Called when a basic effect is encountered and potentially replaced by /// BasicPaletteEffect (if not overridden). This is called afer effects have been processed. /// </summary> /// <param name="skinningType">The the skinning type of the meshpart.</param> /// <param name="meshPart">The MeshPart that contains the BasicMaterialContent.</param> protected virtual void ReplaceBasicEffect(SkinningType skinningType, ModelMeshPartContent meshPart) { BasicMaterialContent basic = meshPart.Material as BasicMaterialContent; if (basic != null) { // Create a new PaletteSourceCode object and set its palette size // based on the platform since xbox has fewer registers. PaletteSourceCode source; if (context.TargetPlatform != TargetPlatform.Xbox360) { source = new PaletteSourceCode(56); } else { source = new PaletteSourceCode(40); } // Process the material and set the meshPart material to the new // material. PaletteInfoProcessor processor = new PaletteInfoProcessor(); meshPart.Material = processor.Process( new PaletteInfo(source.SourceCode4BonesPerVertex, source.PALETTE_SIZE, basic), context); } }