private void mnuImportOBJ_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.DefaultExt = ".obj";
dlg.Filter = "Wavefront .OBJ|*.obj";
if (dlg.ShowDialog().GetValueOrDefault(false))
{
RW4ModelSectionView sectionView = this.DataContext as RW4ModelSectionView;
VertexFormat vertexFormatSection = (VertexFormat)sectionView.Model.Sections.First(s => s.TypeCode == SectionTypeCodes.VertexFormat).obj;
RW4Section section = sectionView.Section;
SporeMaster.RenderWare4.RW4Mesh meshSection = section.obj as SporeMaster.RenderWare4.RW4Mesh;
IConverter converter = new WaveFrontOBJConverter();
RW4Mesh newMesh = converter.Import(meshSection, dlg.FileName);
meshSection.vertices.vertices.section.obj = newMesh.vertices.vertices;
meshSection.triangles.triangles.section.obj = newMesh.triangles.triangles;
this.DataContext = sectionView;
section.Changed();
}
}
private void mnuExportOBJ_Click(object sender, RoutedEventArgs e)
{
SaveFileDialog dlg = new SaveFileDialog();
dlg.DefaultExt = ".obj";
dlg.Filter = "WaveFront .OBJ|*.obj";
if (dlg.ShowDialog().GetValueOrDefault(false))
{
if (this.DataContext != null && this.DataContext.GetType() == typeof(RW4ModelSectionView))
{
matDiffuseMain.Brush = new SolidColorBrush(Colors.LightGray);
RW4ModelSectionView sectionView = this.DataContext as RW4ModelSectionView;
// listBoxTextures.ItemsSource = sectionView.Model.Sections.Where<RW4Section>(s => s.TypeCode == SectionTypeCodes.Texture);
RW4Section section = sectionView.Section;
RW4Mesh mesh = section.obj as RW4Mesh;
mesh.Export(dlg.FileName);
}
}
}
private void TangentSolver(RW4Mesh mesh)
{
int vertexCount = mesh.vertices.vertices.Length;
SporeMaster.RenderWare4.VertexBuffer vertices = mesh.vertices.vertices;
Buffer <Triangle> triangles = mesh.triangles.triangles;
Vector3[] tan1 = new Vector3[vertices.Length];
Vector3[] tan2 = new Vector3[vertices.Length];
int triangleCount = mesh.triangles.triangles.Length;
for (int i = 0; i < triangleCount; i += 3)
{
Triangle i1 = triangles[i];
Vertex v1 = vertices[(int)i1.i];
Vertex v2 = vertices[(int)i1.j];
Vertex v3 = vertices[(int)i1.k];
var x1 = v2.Position.X - v1.Position.X;
var x2 = v3.Position.X - v1.Position.X;
var y1 = v2.Position.Y - v1.Position.Y;
var y2 = v3.Position.Y - v1.Position.Y;
var z1 = v2.Position.Z - v1.Position.Z;
var z2 = v3.Position.Z - v1.Position.Z;
var s1 = v2.TextureCoordinates.X - v1.TextureCoordinates.X;
var s2 = v3.TextureCoordinates.X - v1.TextureCoordinates.X;
var t1 = v2.TextureCoordinates.Y - v1.TextureCoordinates.Y;
var t2 = v3.TextureCoordinates.Y - v1.TextureCoordinates.Y;
float r = 1.0f / (s1 * t2 - s2 * t1);
var sdir = new Vector3((t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r, (t2 * z1 - t1 * z2) * r);
var tdir = new Vector3((s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r, (s1 * z2 - s2 * z1) * r);
tan1[i1.i] += sdir;
tan1[i1.j] += sdir;
tan1[i1.k] += sdir;
tan2[i1.i] += tdir;
tan2[i1.j] += tdir;
tan2[i1.k] += tdir;
}
for (int i = 0; i < mesh.vertices.vertices.Length; i++)
{
Vector3 normal = new Vector3(mesh.vertices.vertices[i].Normal.X,
mesh.vertices.vertices[i].Normal.Y,
mesh.vertices.vertices[i].Normal.Z);
// Gram-Schmidt orthogonalize
Vector3 tangent = tan1[i] - normal * Vector3.Dot(normal, tan1[i]);
tangent.Normalize();
// Calculate handedness (here maybe you need to switch >= with <= depend on the geometry winding order)
float tangentdir = (Vector3.Dot(Vector3.Cross(normal, tan1[i]), tan2[i]) >= 0.0f) ? 1.0f : -1.0f;
Vector3 binormal = Vector3.Cross(normal, tangent) * tangentdir;
Vertex v = mesh.vertices.vertices[i];
VertexUByte4Value tangentValue = (VertexUByte4Value)v.VertexComponents.First(c => c.Usage == D3DDECLUSAGE.D3DDECLUSAGE_TANGENT && c.DeclarationType == D3DDECLTYPE.D3DDECLTYPE_UBYTE4);
tangentValue.X = (byte)(tangent.X * 127.5F + 127.5F);
tangentValue.Y = (byte)(tangent.Y * 127.5F + 127.5F);
tangentValue.Z = (byte)(tangent.Z * 127.5F + 127.5F);
tangentValue.W = (byte)255;
mesh.vertices.vertices[i] = v;
}
}
void pack(OgreXmlReader src_model, RW4Model model)
{
model.FileType = RW4Model.FileTypes.Model;
RW4Skeleton skel = new RW4Skeleton();
skel.unk1 = 0x8d6da0;
skel.mat3 = new Matrices4x3()
{
items = new Mat4x3[] { new Mat4x3() { m = new float[] {
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f
} } }
};
skel.mat4 = new Matrices4x4()
{
items = new Mat4x4[] { new Mat4x4() { m = new float[] {
/* 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,*/
0.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f
} } }
};
skel.jointInfo = new RW4HierarchyInfo()
{
id = "skeleton1".FNV(),
items = new RW4HierarchyInfo.Item[] {
new RW4HierarchyInfo.Item { index=0, name_fnv = "joint1".FNV(), flags=1, parent=null }
},
};
var anim = new Anim()
{
skeleton_id = skel.jointInfo.id,
flags = 3,
length = 1.25f,
channel_names = (from j in skel.jointInfo.items select j.name_fnv).ToArray(),
};
anim.channel_frame_pose = new JointPose[,] {
{
new JointPose{ qx=0, qy=0, qz=0, qs=1,
tx=0, ty=0, tz=0,
sx=1, sy=1, sz=1,
time=1.25f }
}
};
var mesh = new RW4Mesh()
{
vertices = new RW4VertexArray(),
triangles = new RW4TriangleArray(),
};
mesh.vertices.unk2 = 0; //< ?
mesh.vertices.format = new VertexFormat() { blob = RW4Garbage.vertex_format };
mesh.vertices.vertices = new Buffer<Vertex>(0);
mesh.vertices.vertices.Assign(src_model.vertices);
mesh.triangles.unk1 = 0; //< ?
mesh.triangles.triangles = new Buffer<Triangle>(0);
mesh.triangles.triangles.Assign(src_model.triangles);
var texture = new Texture()
{
width = 64,
height = 64,
mipmapInfo = 0x708,
textureType = Texture.DXT5,
unk1 = 0,
texData = new TextureBlob() { blob = new byte[5488] }
};
var texture_format = new RW4TexMetadata()
{
unk_data_1 = RW4Garbage.texture_format_1,
unk_data_2 = RW4Garbage.texture_format_2,
texture = texture
};
var meshMaterial = new RWMeshMaterialAssignment()
{
mesh = mesh,
mat = new RW4TexMetadata[] { texture_format }
};
model.AddObject(anim, Anim.type_code);
model.AddObject(mesh.vertices.format, VertexFormat.type_code);
model.AddObject(skel.mat4, Matrices4x4.type_code);
model.AddObject(skel.mat3, Matrices4x3.type_code);
skel.mat3.section.fixup_offsets.Add(16); // !?
model.AddObject(skel, RW4Skeleton.type_code);
model.AddObject(mesh.triangles.triangles, Buffer<Triangle>.type_code);
model.AddObject(mesh.triangles, RW4TriangleArray.type_code);
model.AddObject(mesh, RW4Mesh.type_code);
model.AddObject(texture_format, RW4TexMetadata.type_code);
model.AddObject(meshMaterial, RWMeshMaterialAssignment.type_code);
model.AddObject(skel.jointInfo, RW4HierarchyInfo.type_code);
model.AddObject(mesh.vertices.vertices, Buffer<Vertex>.type_code);
model.AddObject(mesh.vertices, RW4VertexArray.type_code);
model.AddObject(texture.texData, TextureBlob.type_code);
model.AddObject(texture, Texture.type_code);
}
