private static void ComputeBoundingVolume(NodeContent nodeContent, MeshData meshData)
{
meshData.Reset();
ComputeSubMeshBoundingVolume(nodeContent, meshData);
for (int i = 0; i < meshData.SubMeshDatas.Count; i++)
{
meshData.Aabb = BoundingBox.CreateMerged(meshData.Aabb, meshData.SubMeshDatas[i].Aabb);
meshData.BoundingSphere = BoundingSphere.CreateMerged(meshData.BoundingSphere,
meshData.SubMeshDatas[i].BoundingSphere);
}
meshData.Reset();
}
public override ModelContent Process(NodeContent input, ContentProcessorContext context)
{
MeshHelper.TransformScene(input, input.Transform);
input.Transform = Matrix.Identity;
int subMeshCount = ComputeSubMesh(input);
MeshData meshData = new MeshData(subMeshCount);
ComputeBoundingVolume(input, meshData);
ModelContent model = base.Process(input, context);
FindTextureName(model, context, meshData);
model.Tag = meshData;
return model;
}
private static void ComputeSubMeshBoundingVolume(NodeContent nodeContent, MeshData meshData)
{
MeshContent meshContent = nodeContent as MeshContent;
if (meshContent == null)
{
for (int i = 0; i < nodeContent.Children.Count; i++)
ComputeSubMeshBoundingVolume(nodeContent.Children[i], meshData);
}
else
{
MeshHelper.TransformScene(meshContent, meshContent.Transform);
meshContent.Transform = Matrix.Identity;
for (int i = 0; i < meshContent.Geometry.Count; i++)
{
SubMeshData subMeshData = meshData.CurrentSubMeshData;
GeometryContent geometry = meshContent.Geometry[i];
subMeshData.Aabb = BoundingBox.CreateFromPoints(geometry.Vertices.Positions);
subMeshData.BoundingSphere = BoundingSphere.CreateFromPoints(geometry.Vertices.Positions);
meshData.MoveNext();
}
}
}
private static void FindTextureName(ModelContent model, ContentProcessorContext context, MeshData meshData)
{
string[] dirSeparators = { context.OutputDirectory };
int counter = 0;
for (int i = 0; i < model.Meshes.Count; i++)
{
ModelMeshContent mesh = model.Meshes[i];
for (int j = 0; j < mesh.MeshParts.Count; j++)
{
ModelMeshPartContent part = mesh.MeshParts[j];
SubMeshData subData = meshData.SubMeshDatas[counter];
foreach (KeyValuePair<string, ExternalReference<TextureContent>> textureRef in part.Material.Textures)
{
ExternalReference<TextureContent> texture = textureRef.Value;
string textureName = texture.Filename.Split(dirSeparators, StringSplitOptions.RemoveEmptyEntries)[0];
string finalName = textureName.Split(ExtensionSeparators, StringSplitOptions.RemoveEmptyEntries)[0];
subData.TexturesName.Add(textureRef.Key, finalName);
}
counter++;
}
}
}
