public MT5Mesh(ModelNode node, MT5Node newNode)
{
Node = newNode;
foreach (MeshFace face in node.Faces)
{
MT5StripAttributes attr = new MT5StripAttributes(MT5MeshEntryType.StripAttrib_0200);
StripEntries.Add(attr);
MT5StripTexture tex = new MT5StripTexture();
tex.TextureIndex = (ushort)face.TextureIndex;
StripEntries.Add(tex);
MT5UVSize unk0B00 = new MT5UVSize();
StripEntries.Add(unk0B00);
if (face.HasUVs && face.HasColors)
{
MT5Strip strip = new MT5Strip(MT5MeshEntryType.Strip_1C00, this);
strip.Faces.Add(face);
StripEntries.Add(strip);
}
if (face.HasUVs)
{
MT5Strip strip = new MT5Strip(MT5MeshEntryType.Strip_1900, this);
strip.Faces.Add(face);
StripEntries.Add(strip);
}
if (face.HasColors)
{
MT5Strip strip = new MT5Strip(MT5MeshEntryType.Strip_1A00, this);
strip.Faces.Add(face);
StripEntries.Add(strip);
}
}
}
public void Read(BinaryReader reader, MT5Node node)
{
Node = node;
ParentNode = (MT5Node)node.Parent;
Offset = (uint)reader.BaseStream.Position;
//Console.WriteLine("MeshOffset: {0}", Offset);
PolyType = reader.ReadUInt32();
VerticesOffset = reader.ReadUInt32();
VertexCount = reader.ReadInt32();
FacesOffset = reader.ReadUInt32();
Node.Center = new Vector3()
{
X = reader.ReadSingle(),
Y = reader.ReadSingle(),
Z = reader.ReadSingle()
};
Node.Radius = reader.ReadSingle();
//Read strips/faces
reader.BaseStream.Seek(FacesOffset, SeekOrigin.Begin);
//read strip functions
while (reader.BaseStream.Position < reader.BaseStream.Length - 4)
{
ushort stripType = reader.ReadUInt16();
if ((MT5MeshEntryType)stripType == MT5MeshEntryType.End)
{
MT5_End stripEnd = new MT5_End();
StripEntries.Add(stripEnd);
break;
}
switch ((MT5MeshEntryType)stripType)
{
case MT5MeshEntryType.Zero:
MT5_Zero stripZero = new MT5_Zero();
StripEntries.Add(stripZero);
continue;
case MT5MeshEntryType.ZeroN:
MT5_ZeroN stripZeroN = new MT5_ZeroN();
StripEntries.Add(stripZeroN);
continue;
case MT5MeshEntryType.StripAttrib_0200:
case MT5MeshEntryType.StripAttrib_0300:
case MT5MeshEntryType.StripAttrib_0400:
case MT5MeshEntryType.StripAttrib_0500:
case MT5MeshEntryType.StripAttrib_0600:
case MT5MeshEntryType.StripAttrib_0700:
MT5StripAttributes stripAttributes = new MT5StripAttributes((MT5MeshEntryType)stripType);
stripAttributes.Read(reader);
CurrentIsUVH = stripAttributes.IsUVH;
CurrentMirrorU = stripAttributes.MirrorU;
CurrentMirrorV = stripAttributes.MirrorV;
StripEntries.Add(stripAttributes);
continue;
//ignored by d3t
case MT5MeshEntryType.Unknown_0E00:
case MT5MeshEntryType.Unknown_0F00:
MT5_0E00_0F00 strip_0E00_0F00 = new MT5_0E00_0F00((MT5MeshEntryType)stripType);
strip_0E00_0F00.Read(reader);
StripEntries.Add(strip_0E00_0F00);
continue;
//ignored by d3t
case MT5MeshEntryType.Unknown_8000:
case MT5MeshEntryType.Unknown_A000:
MT5_8000_A000 strip_8000_A000 = new MT5_8000_A000((MT5MeshEntryType)stripType);
strip_8000_A000.Read(reader);
StripEntries.Add(strip_8000_A000);
continue;
case MT5MeshEntryType.UVSize_0B00:
MT5UVSize uvSize = new MT5UVSize();
uvSize.Read(reader);
CurrentUVSize = uvSize.Value;
StripEntries.Add(uvSize);
continue;
case MT5MeshEntryType.Texture:
MT5StripTexture stripTexture = new MT5StripTexture();
stripTexture.Read(reader);
CurrentTextureIndex = stripTexture.TextureIndex;
if (CurrentTextureIndex < Node.MT5.Textures.Count)
{
if (Node.MT5.Textures[(int)CurrentTextureIndex] == null)
{
continue;
}
if (MT5.UVMirrorTextureResize)
{
Node.MT5.Textures[(int)CurrentTextureIndex].Image.MirrorResize(CurrentMirrorU, CurrentMirrorV);
}
}
StripEntries.Add(stripTexture);
continue;
//Face strips
case MT5MeshEntryType.Strip_1000:
case MT5MeshEntryType.Strip_1100:
case MT5MeshEntryType.Strip_1200:
case MT5MeshEntryType.Strip_1300:
case MT5MeshEntryType.Strip_1400:
case MT5MeshEntryType.Strip_1800:
case MT5MeshEntryType.Strip_1900:
case MT5MeshEntryType.Strip_1A00:
case MT5MeshEntryType.Strip_1B00:
case MT5MeshEntryType.Strip_1C00:
MT5Strip strip = new MT5Strip((MT5MeshEntryType)stripType, this);
strip.Read(reader);
StripEntries.Add(strip);
continue;
default:
//unknown type defaults to breaking
stripType = (ushort)MT5MeshEntryType.End;
break;
}
if ((MT5MeshEntryType)stripType == MT5MeshEntryType.End)
{
MT5_End stripEnd = new MT5_End();
StripEntries.Add(stripEnd);
break;
}
}
//Read vertices
reader.BaseStream.Seek(VerticesOffset, SeekOrigin.Begin);
for (int i = 0; i < VertexCount; i++)
{
Vector3 pos;
pos.X = reader.ReadSingle();
pos.Y = reader.ReadSingle();
pos.Z = reader.ReadSingle();
Node.VertexPositions.Add(pos);
Vector3 norm;
norm.X = reader.ReadSingle();
norm.Y = reader.ReadSingle();
norm.Z = reader.ReadSingle();
Node.VertexNormals.Add(norm);
}
if (ParentNode != null && ParentNode.MeshData != null)
{
//Because for performance/memory saving the vertices from the parent can be used via negativ vertex indices
//we just copy the parent vertices so we can use them with modified vertex offsets
//Apply the inverted transform matrix of the node on vertices so they get canceled out by the final transform.
Matrix4 matrix = Node.GetTransformMatrixSelf().Inverted();
for (int i = 0; i < ParentNode.VertexCount; i++)
{
Vector3 pos = new Vector3(ParentNode.VertexPositions[i]);
Vector3 norm = new Vector3(ParentNode.VertexNormals[i]);
pos = Vector3.TransformPosition(pos, matrix);
norm = Vector3.TransformPosition(norm, matrix);
Node.VertexPositions.Add(pos);
Node.VertexNormals.Add(norm);
}
}
}