/// <summary>
/// Transforms the verticies making up this mesh into
/// the designated bone positions.
/// </summary>
/// <param name="bone">The bone to start with. Should always be the ROOT bone.</param>
public void TransformVertices(Bone bone)
{
var boneBinding = BoneBindings.FirstOrDefault(x => BoneNames[x.BoneIndex] == bone.Name);
if (boneBinding != null)
{
for (var i = 0; i < boneBinding.RealVertexCount; i++)
{
int vertexIndex = boneBinding.FirstRealVertex + i;
MeshVertexData transformedVertex = TransformedVertices[vertexIndex];
MeshVertexData relativeVertex = Vertex[vertexIndex];
var translatedMatrix = Matrix.CreateTranslation(new Vector3(relativeVertex.Vertex.Coord.X, relativeVertex.Vertex.Coord.Y, relativeVertex.Vertex.Coord.Z)) * bone.AbsoluteMatrix;
transformedVertex.Vertex.Coord = Vector3.Transform(Vector3.Zero, translatedMatrix);
//Normals...
translatedMatrix = Matrix.CreateTranslation(new Vector3(relativeVertex.Vertex.NormalCoord.X, relativeVertex.Vertex.NormalCoord.Y, relativeVertex.Vertex.NormalCoord.Z)) * bone.AbsoluteMatrix;
transformedVertex.Vertex.NormalCoord = Vector3.Transform(Vector3.Zero, translatedMatrix);
}
}
foreach (var child in bone.Children)
{
TransformVertices(child);
}
}
/// <summary>
/// Reads this mesh.
/// </summary>
/// <param name="data">The data for the mesh file to read from.</param>
public void Read(byte[] data)
{
using (var reader = new VBReader(new MemoryStream(data)))
{
System.Diagnostics.Debug.WriteLine("========== Mesh ==========");
Version = reader.ReadInt32();
BoneCount = reader.ReadInt32();
System.Diagnostics.Debug.WriteLine("Version: " + Version);
System.Diagnostics.Debug.WriteLine("BoneCount: " + BoneCount);
/** Read bone names |str_len|str_body| **/
BoneNames = new string[BoneCount];
for (var i = 0; i < BoneCount; i++){
BoneNames[i] = reader.ReadPascalString();
System.Diagnostics.Debug.WriteLine("| Bone " + (i + 1) + ": " + BoneNames[i]);
}
/** Faces **/
FaceCount = reader.ReadInt32();
System.Diagnostics.Debug.WriteLine("FaceCount: " + FaceCount);
FaceData = new Face[FaceCount];
for (var i = 0; i < FaceCount; i++){
FaceData[i] = new Face {
VertexA = reader.ReadInt32(),
VertexB = reader.ReadInt32(),
VertexC = reader.ReadInt32()
};
}
/** Bone bindings **/
BindingCount = reader.ReadInt32();
BoneBindings = new BoneBinding[BindingCount];
for (var i = 0; i < BindingCount; i++){
BoneBindings[i] = new BoneBinding {
BoneIndex = reader.ReadInt32(),
FirstRealVertex = reader.ReadInt32(),
RealVertexCount = reader.ReadInt32(),
FirstBlendVertex = reader.ReadInt32(),
BlendVertexCount = reader.ReadInt32()
};
}
/** Texture vertex data **/
RealVertexCount = reader.ReadInt32();
var textureData = new Vector2[RealVertexCount];
for (var i = 0; i < RealVertexCount; i++){
textureData[i] = new Vector2(
reader.ReadFloat(),
reader.ReadFloat()
);
}
/** Blend data **/
BlendVertexCount = reader.ReadInt32();
var blend = new BlendData[BlendVertexCount];
for (var i = 0; i < BlendVertexCount; i++)
{
blend[i] = new BlendData {
Weight = (float)reader.ReadInt32()/0x8000,
OtherVertex = reader.ReadInt32()
};
}
TotalVertexCount = reader.ReadInt32();
Vertex = new MeshVertexData[TotalVertexCount];
TransformedVertices = new MeshVertexData[TotalVertexCount];
for (var i = 0; i < TotalVertexCount; i++)
{
var vertexData = new MeshVertex
{
Coord = new Vector3
(
-reader.ReadFloat(),
reader.ReadFloat(),
reader.ReadFloat()
)
};
var tVertexData = new MeshVertex
{
Coord = vertexData.Coord,
NormalCoord = new Vector3(
-reader.ReadFloat(),
reader.ReadFloat(),
reader.ReadFloat()
)
};
var vertex = new MeshVertexData {
Vertex = vertexData
};
var tVertex = new MeshVertexData{
Vertex = tVertexData
};
if (i < RealVertexCount)
{
tVertex.Vertex.TextureCoord = textureData[i];
}
else
{
tVertex.BlendData = blend[i - RealVertexCount];
}
Vertex[i] = vertex;
TransformedVertices[i] = tVertex;
}
}
}
/// <summary>
/// Reads this mesh.
/// </summary>
/// <param name="data">The data for the mesh file to read from.</param>
public void Read(byte[] data)
{
using (var reader = new VBReader(new MemoryStream(data)))
{
System.Diagnostics.Debug.WriteLine("========== Mesh ==========");
Version = reader.ReadInt32();
BoneCount = reader.ReadInt32();
System.Diagnostics.Debug.WriteLine("Version: " + Version);
System.Diagnostics.Debug.WriteLine("BoneCount: " + BoneCount);
/** Read bone names |str_len|str_body| **/
BoneNames = new string[BoneCount];
for (var i = 0; i < BoneCount; i++)
{
BoneNames[i] = reader.ReadPascalString();
System.Diagnostics.Debug.WriteLine("| Bone " + (i + 1) + ": " + BoneNames[i]);
}
/** Faces **/
FaceCount = reader.ReadInt32();
System.Diagnostics.Debug.WriteLine("FaceCount: " + FaceCount);
FaceData = new Face[FaceCount];
for (var i = 0; i < FaceCount; i++)
{
FaceData[i] = new Face {
VertexA = reader.ReadInt32(),
VertexB = reader.ReadInt32(),
VertexC = reader.ReadInt32()
};
}
/** Bone bindings **/
BindingCount = reader.ReadInt32();
BoneBindings = new BoneBinding[BindingCount];
for (var i = 0; i < BindingCount; i++)
{
BoneBindings[i] = new BoneBinding {
BoneIndex = reader.ReadInt32(),
FirstRealVertex = reader.ReadInt32(),
RealVertexCount = reader.ReadInt32(),
FirstBlendVertex = reader.ReadInt32(),
BlendVertexCount = reader.ReadInt32()
};
}
/** Texture vertex data **/
RealVertexCount = reader.ReadInt32();
var textureData = new Vector2[RealVertexCount];
for (var i = 0; i < RealVertexCount; i++)
{
textureData[i] = new Vector2(
reader.ReadFloat(),
reader.ReadFloat()
);
}
/** Blend data **/
BlendVertexCount = reader.ReadInt32();
var blend = new BlendData[BlendVertexCount];
for (var i = 0; i < BlendVertexCount; i++)
{
blend[i] = new BlendData {
Weight = (float)reader.ReadInt32() / 0x8000,
OtherVertex = reader.ReadInt32()
};
}
TotalVertexCount = reader.ReadInt32();
Vertex = new MeshVertexData[TotalVertexCount];
TransformedVertices = new MeshVertexData[TotalVertexCount];
for (var i = 0; i < TotalVertexCount; i++)
{
var vertexData = new MeshVertex
{
Coord = new Vector3
(
-reader.ReadFloat(),
reader.ReadFloat(),
reader.ReadFloat()
)
};
var tVertexData = new MeshVertex
{
Coord = vertexData.Coord,
NormalCoord = new Vector3(
-reader.ReadFloat(),
reader.ReadFloat(),
reader.ReadFloat()
)
};
var vertex = new MeshVertexData {
Vertex = vertexData
};
var tVertex = new MeshVertexData {
Vertex = tVertexData
};
if (i < RealVertexCount)
{
tVertex.Vertex.TextureCoord = textureData[i];
}
else
{
tVertex.BlendData = blend[i - RealVertexCount];
}
Vertex[i] = vertex;
TransformedVertices[i] = tVertex;
}
}
}