/// <summary>
/// Creates a preview of a generic untextured mesh
/// </summary>
/// <param name="device"></param>
/// <param name="mesh"></param>
public ModelPreview(Device device, WorldMesh mesh, PreviewTextureCache texcache, PackageCache assetCache, PreloadedModelData preloadedData = null)
{
//Preloaded
List <ModelPreviewSection> sections = new List <ModelPreviewSection>();
if (preloadedData != null)
{
sections = preloadedData.sections;
var uniqueMaterials = preloadedData.texturePreviewMaterials.Select(x => x.MaterialExport).Distinct();
foreach (var mat in uniqueMaterials)
{
var material = new TexturedPreviewMaterial(texcache, new MaterialInstanceConstant(mat), assetCache, preloadedData.texturePreviewMaterials);
AddMaterial(mat.ObjectName.Name, material);
}
}
LODs.Add(new ModelPreviewLOD(mesh, sections));
}
/// <summary>
/// Creates a preview of the given <see cref="Unreal.Classes.SkeletalMesh"/>.
/// </summary>
/// <param name="Device">The Direct3D device to use for buffer creation.</param>
/// <param name="m">The mesh to generate a preview for.</param>
/// <param name="texcache">The texture cache for loading textures.</param>
public ModelPreview(Device Device, Unreal.Classes.SkeletalMesh m, PreviewTextureCache texcache)
{
// STEP 1: MATERIALS
Materials = new Dictionary <string, ModelPreviewMaterial>();
foreach (Unreal.Classes.MaterialInstanceConstant mat in m.MatInsts)
{
ModelPreviewMaterial material;
// TODO: pick what material class best fits based on what properties the
// MaterialInstanceConstant mat has.
// For now, just use the default material.
material = new TexturedPreviewMaterial(texcache, mat);
AddMaterial(material.Properties["Name"], material);
}
// STEP 2: LODS
LODs = new List <ModelPreviewLOD>();
foreach (Unreal.Classes.SkeletalMesh.LODModelStruct lodmodel in m.LODModels)
{
// Vertices
List <WorldVertex> vertices = new List <WorldVertex>();
foreach (Unreal.Classes.SkeletalMesh.GPUSkinVertexStruct vertex in lodmodel.VertexBufferGPUSkin.Vertices)
{
// NOTE: note the switched Y and Z coordinates. Unreal seems to think that Z is up.
vertices.Add(new WorldVertex(new Vector3(-vertex.Position.X, vertex.Position.Z, vertex.Position.Y), Vector3.Zero, new Vector2(HalfToFloat(vertex.U), HalfToFloat(vertex.V))));
}
// Triangles
List <Triangle> triangles = new List <Triangle>();
for (int i = 0; i < lodmodel.IndexBuffer.Indexes.Count; i += 3)
{
triangles.Add(new Triangle(lodmodel.IndexBuffer.Indexes[i], lodmodel.IndexBuffer.Indexes[i + 1], lodmodel.IndexBuffer.Indexes[i + 2]));
}
WorldMesh mesh = new WorldMesh(Device, triangles, vertices);
// Sections
List <ModelPreviewSection> sections = new List <ModelPreviewSection>();
foreach (Unreal.Classes.SkeletalMesh.SectionStruct section in lodmodel.Sections)
{
if (section.MaterialIndex < Materials.Count)
{
sections.Add(new ModelPreviewSection(Materials.Keys.ElementAt(section.MaterialIndex), (uint)section.BaseIndex, (uint)section.NumTriangles));
}
}
LODs.Add(new ModelPreviewLOD(mesh, sections));
}
}
/// <summary>
/// Creates a new ModelPreviewLOD.
/// </summary>
/// <param name="mesh">The geometry of this level of detail.</param>
/// <param name="sections">A list of which materials are applied to which triangles.</param>
public ModelPreviewLOD(WorldMesh mesh, List <ModelPreviewSection> sections)
{
Mesh = mesh;
Sections = sections;
}
/// <summary>
/// Creates a preview of the given <see cref="SkeletalMesh"/>.
/// </summary>
/// <param name="Device">The Direct3D device to use for buffer creation.</param>
/// <param name="m">The mesh to generate a preview for.</param>
/// <param name="texcache">The texture cache for loading textures.</param>
public ModelPreview(Device Device, SkeletalMesh m, PreviewTextureCache texcache, PackageCache assetCache, PreloadedModelData preloadedData = null)
{
// STEP 1: MATERIALS
if (preloadedData == null)
{
for (int i = 0; i < m.Materials.Length; i++)
{
UIndex materialUIndex = m.Materials[i];
MaterialInstanceConstant mat = null;
if (materialUIndex.value > 0)
{
mat = new MaterialInstanceConstant(m.Export.FileRef.GetUExport(materialUIndex.value));
}
else if (materialUIndex.value < 0)
{
// The material instance is an import!
ImportEntry matImport = m.Export.FileRef.GetImport(materialUIndex.value);
var externalAsset = EntryImporter.ResolveImport(matImport, null, assetCache);
if (externalAsset != null)
{
mat = new MaterialInstanceConstant(externalAsset);
}
}
if (mat != null)
{
ModelPreviewMaterial material;
// TODO: pick what material class best fits based on what properties the
// MaterialInstanceConstant mat has.
// For now, just use the default material.
material = new TexturedPreviewMaterial(texcache, mat, assetCache);
AddMaterial(material.Properties["Name"], material);
}
}
}
else
{
//Preloaded
//sections = preloadedData.sections;
var uniqueMaterials = preloadedData.texturePreviewMaterials.Select(x => x.MaterialExport).Distinct();
foreach (var mat in uniqueMaterials)
{
var material = new TexturedPreviewMaterial(texcache, new MaterialInstanceConstant(mat), assetCache, preloadedData.texturePreviewMaterials);
AddMaterial(mat.ObjectName.Name, material);
}
}
// STEP 2: LODS
foreach (var lodmodel in m.LODModels)
{
// Vertices
List <WorldVertex> vertices = new List <WorldVertex>(m.Export.Game == MEGame.ME1 ? lodmodel.ME1VertexBufferGPUSkin.Length : lodmodel.VertexBufferGPUSkin.VertexData.Length);
if (m.Export.Game == MEGame.ME1)
{
foreach (var vertex in lodmodel.ME1VertexBufferGPUSkin)
{
vertices.Add(new WorldVertex(new Vector3(-vertex.Position.X, vertex.Position.Z, vertex.Position.Y), Vector3.Zero, new Vector2(vertex.UV.X, vertex.UV.Y)));
}
}
else
{
foreach (var vertex in lodmodel.VertexBufferGPUSkin.VertexData)
{
vertices.Add(new WorldVertex(new Vector3(-vertex.Position.X, vertex.Position.Z, vertex.Position.Y), Vector3.Zero, new Vector2(vertex.UV.X, vertex.UV.Y)));
}
}
// Triangles
List <Triangle> triangles = new List <Triangle>(lodmodel.IndexBuffer.Length / 3);
for (int i = 0; i < lodmodel.IndexBuffer.Length; i += 3)
{
triangles.Add(new Triangle(lodmodel.IndexBuffer[i], lodmodel.IndexBuffer[i + 1], lodmodel.IndexBuffer[i + 2]));
}
WorldMesh mesh = new WorldMesh(Device, triangles, vertices);
// Sections
List <ModelPreviewSection> sections = new List <ModelPreviewSection>();
foreach (var section in lodmodel.Sections)
{
if (section.MaterialIndex < Materials.Count)
{
sections.Add(new ModelPreviewSection(Materials.Keys.ElementAt(section.MaterialIndex), section.BaseIndex, (uint)section.NumTriangles));
}
}
LODs.Add(new ModelPreviewLOD(mesh, sections));
}
}
/// <summary>
/// Creates a preview of the given <see cref="Unreal.Classes.SkeletalMesh"/>.
/// </summary>
/// <param name="Device">The Direct3D device to use for buffer creation.</param>
/// <param name="m">The mesh to generate a preview for.</param>
/// <param name="texcache">The texture cache for loading textures.</param>
public ModelPreview(Device Device, Unreal.Classes.SkeletalMesh m, PreviewTextureCache texcache)
{
// STEP 1: MATERIALS
for (int i = 0; i < m.Materials.Count; i++)
{
Unreal.Classes.MaterialInstanceConstant mat = m.MatInsts[i];
if (mat == null && m.Materials[i] < 0)
{
// The material instance is an import!
ImportEntry matImport = m.Export.FileRef.GetImport(m.Materials[i]);
var externalAsset = FindExternalAsset(matImport, texcache.cache.Select(x => x.TextureExport).ToList());
if (externalAsset != null)
{
mat = new MaterialInstanceConstant(externalAsset);
}
}
if (mat != null)
{
ModelPreviewMaterial material;
// TODO: pick what material class best fits based on what properties the
// MaterialInstanceConstant mat has.
// For now, just use the default material.
material = new TexturedPreviewMaterial(texcache, mat);
AddMaterial(material.Properties["Name"], material);
}
}
// STEP 2: LODS
foreach (Unreal.Classes.SkeletalMesh.LODModelStruct lodmodel in m.LODModels)
{
// Vertices
List <WorldVertex> vertices = new List <WorldVertex>();
if (m.Export.Game == MEGame.ME1)
{
foreach (Unreal.Classes.SkeletalMesh.GPUSkinVertexStruct vertex in lodmodel.VertexBufferGPUSkin.Vertices)
{
vertices.Add(new WorldVertex(new Vector3(-vertex.Position.X, vertex.Position.Z, vertex.Position.Y), Vector3.Zero, new Vector2(vertex.UFullPrecision, vertex.VFullPrecision)));
}
}
else
{
foreach (Unreal.Classes.SkeletalMesh.GPUSkinVertexStruct vertex in lodmodel.VertexBufferGPUSkin.Vertices)
{
// NOTE: note the switched Y and Z coordinates. Unreal seems to think that Z is up.
vertices.Add(new WorldVertex(new Vector3(-vertex.Position.X, vertex.Position.Z, vertex.Position.Y), Vector3.Zero, new Vector2(HalfToFloat(vertex.U), HalfToFloat(vertex.V))));
}
}
// Triangles
List <Triangle> triangles = new List <Triangle>();
for (int i = 0; i < lodmodel.IndexBuffer.Indexes.Count; i += 3)
{
triangles.Add(new Triangle(lodmodel.IndexBuffer.Indexes[i], lodmodel.IndexBuffer.Indexes[i + 1], lodmodel.IndexBuffer.Indexes[i + 2]));
}
WorldMesh mesh = new WorldMesh(Device, triangles, vertices);
// Sections
List <ModelPreviewSection> sections = new List <ModelPreviewSection>();
foreach (Unreal.Classes.SkeletalMesh.SectionStruct section in lodmodel.Sections)
{
if (section.MaterialIndex < Materials.Count)
{
sections.Add(new ModelPreviewSection(Materials.Keys.ElementAt(section.MaterialIndex), (uint)section.BaseIndex, (uint)section.NumTriangles));
}
}
LODs.Add(new ModelPreviewLOD(mesh, sections));
}
}
/// <summary>
/// Creates a preview of a generic untextured mesh
/// </summary>
/// <param name="device"></param>
/// <param name="mesh"></param>
public ModelPreview(Device device, WorldMesh mesh)
{
LODs.Add(new ModelPreviewLOD(mesh, new List <ModelPreviewSection>()));
}